merge with viewer-development

288 files changed, 7971 insertions, 11381 deletions

diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 452fd5f356..d9553b9a7e 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -58,6 +58,7 @@ if (WINDOWS)
 
   add_definitions(
       /DLL_WINDOWS=1
+      /DNOMINMAX
       /DDOM_DYNAMIC
       /DUNICODE
       /D_UNICODE 
diff --git a/indra/llaudio/llstreamingaudio_fmod.h b/indra/llaudio/llstreamingaudio_fmod.h
index 9970f0d03b..a189b548dd 100644
--- a/indra/llaudio/llstreamingaudio_fmod.h
+++ b/indra/llaudio/llstreamingaudio_fmod.h
@@ -30,6 +30,8 @@
 
 #include "stdtypes.h" // from llcommon
 
+#include <list>
+
 #include "llstreamingaudio.h"
 
 class LLAudioStreamManagerFMOD;
diff --git a/indra/llcharacter/llcharacter.cpp b/indra/llcharacter/llcharacter.cpp
index 0a6a8f9fa6..5138be0711 100644
--- a/indra/llcharacter/llcharacter.cpp
+++ b/indra/llcharacter/llcharacter.cpp
@@ -32,6 +32,7 @@
 
 #include "llcharacter.h"
 #include "llstring.h"
+#include "llfasttimer.h"
 
 #define SKEL_HEADER "Linden Skeleton 1.0"
 
diff --git a/indra/llcharacter/lljoint.h b/indra/llcharacter/lljoint.h
index dc3c58cf64..a9cde545f2 100644
--- a/indra/llcharacter/lljoint.h
+++ b/indra/llcharacter/lljoint.h
@@ -31,6 +31,7 @@
 // Header Files
 //-----------------------------------------------------------------------------
 #include <string>
+#include <list>
 
 #include "linked_lists.h"
 #include "v3math.h"
diff --git a/indra/llcharacter/llmotioncontroller.cpp b/indra/llcharacter/llmotioncontroller.cpp
index 4f6351709e..5524bba296 100644
--- a/indra/llcharacter/llmotioncontroller.cpp
+++ b/indra/llcharacter/llmotioncontroller.cpp
@@ -28,10 +28,9 @@
 // Header Files
 //-----------------------------------------------------------------------------
 #include "linden_common.h"
-
-#include "llmemtype.h"
-
 #include "llmotioncontroller.h"
+
+#include "llfasttimer.h"
 #include "llkeyframemotion.h"
 #include "llmath.h"
 #include "lltimer.h"
@@ -335,7 +334,6 @@ void LLMotionController::removeMotionInstance(LLMotion* motionp)
 //-----------------------------------------------------------------------------
 LLMotion* LLMotionController::createMotion( const LLUUID &id )
 {
-	LLMemType mt(LLMemType::MTYPE_ANIMATION);
 	// do we have an instance of this motion for this character?
 	LLMotion *motion = findMotion(id);
 
diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt
index 36a8319189..0f5ded86ed 100644
--- a/indra/llcommon/CMakeLists.txt
+++ b/indra/llcommon/CMakeLists.txt
@@ -53,7 +53,7 @@ set(llcommon_SOURCE_FILES
     lleventfilter.cpp
     llevents.cpp
     lleventtimer.cpp
-    llfasttimer_class.cpp
+    llfasttimer.cpp
     llfile.cpp
     llfindlocale.cpp
     llfixedbuffer.cpp
@@ -71,12 +71,13 @@ set(llcommon_SOURCE_FILES
     llmd5.cpp
     llmemory.cpp
     llmemorystream.cpp
-    llmemtype.cpp
     llmetrics.cpp
     llmetricperformancetester.cpp
     llmortician.cpp
+    llmutex.cpp
     lloptioninterface.cpp
     llptrto.cpp 
+    llpredicate.cpp
     llprocess.cpp
     llprocessor.cpp
     llqueuedthread.cpp
@@ -90,7 +91,6 @@ set(llcommon_SOURCE_FILES
     llsdutil.cpp
     llsecondlifeurls.cpp
     llsingleton.cpp
-    llstat.cpp
     llstacktrace.cpp
     llstreamqueue.cpp
     llstreamtools.cpp
@@ -100,6 +100,9 @@ set(llcommon_SOURCE_FILES
     llthread.cpp
     llthreadsafequeue.cpp
     lltimer.cpp
+    lltrace.cpp
+    lltracerecording.cpp
+    lltracethreadrecorder.cpp
     lluri.cpp
     lluuid.cpp
     llworkerthread.cpp
@@ -167,7 +170,6 @@ set(llcommon_HEADER_FILES
     lleventemitter.h
     llextendedstatus.h
     llfasttimer.h
-    llfasttimer_class.h
     llfile.h
     llfindlocale.h
     llfixedbuffer.h
@@ -196,13 +198,14 @@ set(llcommon_HEADER_FILES
     llmd5.h
     llmemory.h
     llmemorystream.h
-    llmemtype.h
     llmetrics.h
     llmetricperformancetester.h
     llmortician.h
+    llmutex.h
     llnametable.h
     lloptioninterface.h
     llpointer.h
+    llpredicate.h
     llpreprocessor.h
     llpriqueuemap.h
     llprocess.h
@@ -230,7 +233,6 @@ set(llcommon_HEADER_FILES
     llsortedvector.h
     llstack.h
     llstacktrace.h
-    llstat.h
     llstatenums.h
     llstl.h
     llstreamqueue.h
@@ -242,8 +244,12 @@ set(llcommon_HEADER_FILES
     llthread.h
     llthreadsafequeue.h
     lltimer.h
+    lltrace.h
+    lltracerecording.h
+    lltracethreadrecorder.h
     lltreeiterators.h
     lltypeinfolookup.h
+    llunit.h
     lluri.h
     lluuid.h
     lluuidhashmap.h
diff --git a/indra/llcommon/llallocator.cpp b/indra/llcommon/llallocator.cpp
index 87654b5b97..34fc28d8cc 100644
--- a/indra/llcommon/llallocator.cpp
+++ b/indra/llcommon/llallocator.cpp
@@ -35,28 +35,6 @@
 DECLARE_bool(heap_profile_use_stack_trace);
 //DECLARE_double(tcmalloc_release_rate);
 
-// static
-void LLAllocator::pushMemType(S32 type)
-{
-    if(isProfiling())
-    {
-    	PushMemType(type);
-    }
-}
-
-// static
-S32 LLAllocator::popMemType()
-{
-    if (isProfiling())
-    {
-    	return PopMemType();
-    }
-    else
-    {
-        return -1;
-    }
-}
-
 void LLAllocator::setProfilingEnabled(bool should_enable)
 {
     // NULL disables dumping to disk
@@ -94,17 +72,6 @@ std::string LLAllocator::getRawProfile()
 // stub implementations for when tcmalloc is disabled
 //
 
-// static
-void LLAllocator::pushMemType(S32 type)
-{
-}
-
-// static
-S32 LLAllocator::popMemType()
-{
-    return -1;
-}
-
 void LLAllocator::setProfilingEnabled(bool should_enable)
 {
 }
diff --git a/indra/llcommon/llallocator.h b/indra/llcommon/llallocator.h
index a91dd57d14..d26ad73c5b 100644
--- a/indra/llcommon/llallocator.h
+++ b/indra/llcommon/llallocator.h
@@ -29,16 +29,10 @@
 
 #include <string>
 
-#include "llmemtype.h"
 #include "llallocator_heap_profile.h"
 
 class LL_COMMON_API LLAllocator {
     friend class LLMemoryView;
-    friend class LLMemType;
-
-private:
-	static void pushMemType(S32 type);
-	static S32 popMemType();
 
 public:
     void setProfilingEnabled(bool should_enable);
diff --git a/indra/llcommon/llapr.cpp b/indra/llcommon/llapr.cpp
index d1c44c9403..1db3aa9e89 100644
--- a/indra/llcommon/llapr.cpp
+++ b/indra/llcommon/llapr.cpp
@@ -52,8 +52,10 @@ void ll_init_apr()
 
 	if(!LLAPRFile::sAPRFilePoolp)
 	{
-		LLAPRFile::sAPRFilePoolp = new LLVolatileAPRPool(FALSE) ;
+		LLAPRFile::sAPRFilePoolp = new LLVolatileAPRPool(FALSE);
 	}
+
+	LLThreadLocalPointerBase::initAllThreadLocalStorage();
 }
 
 
@@ -77,6 +79,9 @@ void ll_cleanup_apr()
 		apr_thread_mutex_destroy(gCallStacksLogMutexp);
 		gCallStacksLogMutexp = NULL;
 	}
+
+	LLThreadLocalPointerBase::destroyAllThreadLocalStorage();
+
 	if (gAPRPoolp)
 	{
 		apr_pool_destroy(gAPRPoolp);
@@ -84,7 +89,7 @@ void ll_cleanup_apr()
 	}
 	if (LLAPRFile::sAPRFilePoolp)
 	{
-		delete LLAPRFile::sAPRFilePoolp ;
+		delete LLAPRFile::sAPRFilePoolp ;	
 		LLAPRFile::sAPRFilePoolp = NULL ;
 	}
 	apr_terminate();
@@ -477,6 +482,77 @@ S32 LLAPRFile::seek(apr_seek_where_t where, S32 offset)
 }
 
 //
+//LLThreadLocalPointerBase
+//
+bool LLThreadLocalPointerBase::sInitialized = false;
+
+void LLThreadLocalPointerBase::set( void* value )
+{
+	llassert(sInitialized && mThreadKey);
+
+	apr_status_t result = apr_threadkey_private_set((void*)value, mThreadKey);
+	if (result != APR_SUCCESS)
+	{
+		ll_apr_warn_status(result);
+		llerrs << "Failed to set thread local data" << llendl;
+	}
+}
+
+void LLThreadLocalPointerBase::initStorage( )
+{
+	apr_status_t result = apr_threadkey_private_create(&mThreadKey, NULL, gAPRPoolp);
+	if (result != APR_SUCCESS)
+	{
+		ll_apr_warn_status(result);
+		llerrs << "Failed to allocate thread local data" << llendl;
+	}
+}
+
+void LLThreadLocalPointerBase::destroyStorage()
+{
+	if (sInitialized)
+	{
+		if (mThreadKey)
+		{
+			apr_status_t result = apr_threadkey_private_delete(mThreadKey);
+			if (result != APR_SUCCESS)
+			{
+				ll_apr_warn_status(result);
+				llerrs << "Failed to delete thread local data" << llendl;
+			}
+		}
+	}
+}
+
+void LLThreadLocalPointerBase::initAllThreadLocalStorage()
+{
+	if (!sInitialized)
+	{
+		for (LLInstanceTracker<LLThreadLocalPointerBase>::instance_iter it = beginInstances(), end_it = endInstances();
+			it != end_it;
+			++it)
+		{
+			(*it).initStorage();
+		}
+		sInitialized = true;
+	}
+}
+
+void LLThreadLocalPointerBase::destroyAllThreadLocalStorage()
+{
+	if (sInitialized)
+	{
+		for (LLInstanceTracker<LLThreadLocalPointerBase>::instance_iter it = beginInstances(), end_it = endInstances();
+			it != end_it;
+			++it)
+		{
+			(*it).destroyStorage();
+		}
+		sInitialized = false;
+	}
+}
+
+//
 //*******************************************************************************************************************************
 //static components of LLAPRFile
 //
diff --git a/indra/llcommon/llapr.h b/indra/llcommon/llapr.h
index 034546c3f3..7ca0f505ef 100644
--- a/indra/llcommon/llapr.h
+++ b/indra/llcommon/llapr.h
@@ -32,14 +32,6 @@
 #if LL_LINUX || LL_SOLARIS
 #include <sys/param.h>  // Need PATH_MAX in APR headers...
 #endif
-#if LL_WINDOWS
-	// Limit Windows API to small and manageable set.
-	// If you get undefined symbols, find the appropriate
-	// Windows header file and include that in your .cpp file.
-	#define WIN32_LEAN_AND_MEAN
-	#include <winsock2.h>
-	#include <windows.h>
-#endif
 
 #include <boost/noncopyable.hpp>
 
@@ -48,7 +40,9 @@
 #include "apr_getopt.h"
 #include "apr_signal.h"
 #include "apr_atomic.h"
+
 #include "llstring.h"
+#include "llinstancetracker.h"
 
 extern LL_COMMON_API apr_thread_mutex_t* gLogMutexp;
 extern apr_thread_mutex_t* gCallStacksLogMutexp;
@@ -255,6 +249,136 @@ public:
 //*******************************************************************************************************************************
 };
 
+class LLThreadLocalPointerBase : LLInstanceTracker<LLThreadLocalPointerBase>
+{
+public:
+	LLThreadLocalPointerBase()
+	:	mThreadKey(NULL)
+	{
+		if (sInitialized)
+		{
+			initStorage();
+		}
+	}
+
+	LLThreadLocalPointerBase( const LLThreadLocalPointerBase& other)
+		:	mThreadKey(NULL)
+	{
+		if (sInitialized)
+		{
+			initStorage();
+		}
+	}
+
+	~LLThreadLocalPointerBase()
+	{
+		destroyStorage();
+	}
+
+	static void initAllThreadLocalStorage();
+	static void destroyAllThreadLocalStorage();
+
+protected:
+	void set(void* value);
+
+	LL_FORCE_INLINE void* get()
+	{
+		llassert(sInitialized);
+		void* ptr;
+		//apr_status_t result =
+		apr_threadkey_private_get(&ptr, mThreadKey);
+		//if (result != APR_SUCCESS)
+		//{
+		//	ll_apr_warn_status(s);
+		//	llerrs << "Failed to get thread local data" << llendl;
+		//}
+		return ptr;
+	}
+
+	LL_FORCE_INLINE const void* get() const
+	{
+		void* ptr;
+		//apr_status_t result =
+		apr_threadkey_private_get(&ptr, mThreadKey);
+		//if (result != APR_SUCCESS)
+		//{
+		//	ll_apr_warn_status(s);
+		//	llerrs << "Failed to get thread local data" << llendl;
+		//}
+		return ptr;
+	}
+
+	void initStorage();
+	void destroyStorage();
+
+protected:
+	apr_threadkey_t* mThreadKey;
+	static bool		sInitialized;
+};
+
+template <typename T>
+class LLThreadLocalPointer : public LLThreadLocalPointerBase
+{
+public:
+
+	LLThreadLocalPointer()
+	{}
+
+	explicit LLThreadLocalPointer(T* value)
+	{
+		set(value);
+	}
+
+
+	LLThreadLocalPointer(const LLThreadLocalPointer<T>& other)
+		:	LLThreadLocalPointerBase(other)
+	{
+		set(other.get());		
+	}
+
+	LL_FORCE_INLINE T* get()
+	{
+		return (T*)LLThreadLocalPointerBase::get();
+	}
+
+	const T* get() const
+	{
+		return (const T*)LLThreadLocalPointerBase::get();
+	}
+
+	T* operator -> ()
+	{
+		return (T*)get();
+	}
+
+	const T* operator -> () const
+	{
+		return (T*)get();
+	}
+
+	T& operator*()
+	{
+		return *(T*)get();
+	}
+
+	const T& operator*() const
+	{
+		return *(T*)get();
+	}
+
+	LLThreadLocalPointer<T>& operator = (T* value)
+	{
+		set((void*)value);
+		return *this;
+	}
+
+	bool operator ==(T* other)
+	{
+		if (!sInitialized) return false;
+		return get() == other;
+	}
+};
+
 /**
  * @brief Function which appropriately logs error or remains quiet on
  * APR_SUCCESS.
diff --git a/indra/llcommon/llcommon.cpp b/indra/llcommon/llcommon.cpp
index 8be9e4f4de..c720df7555 100644
--- a/indra/llcommon/llcommon.cpp
+++ b/indra/llcommon/llcommon.cpp
@@ -29,6 +29,7 @@
 
 #include "llmemory.h"
 #include "llthread.h"
+#include "lltrace.h"
 
 //static
 BOOL LLCommon::sAprInitialized = FALSE;
@@ -44,15 +45,13 @@ void LLCommon::initClass()
 	}
 	LLTimer::initClass();
 	LLThreadSafeRefCount::initThreadSafeRefCount();
-// 	LLWorkerThread::initClass();
-// 	LLFrameCallbackManager::initClass();
+	LLTrace::init();
 }
 
 //static
 void LLCommon::cleanupClass()
 {
-// 	LLFrameCallbackManager::cleanupClass();
-// 	LLWorkerThread::cleanupClass();
+	LLTrace::cleanup();
 	LLThreadSafeRefCount::cleanupThreadSafeRefCount();
 	LLTimer::cleanupClass();
 	if (sAprInitialized)
diff --git a/indra/llcommon/lldate.cpp b/indra/llcommon/lldate.cpp
index 030ef6a3c7..2efe39e158 100644
--- a/indra/llcommon/lldate.cpp
+++ b/indra/llcommon/lldate.cpp
@@ -39,6 +39,7 @@
 
 #include "lltimer.h"
 #include "llstring.h"
+#include "llfasttimer.h"
 
 static const F64 DATE_EPOCH = 0.0;
 
@@ -48,18 +49,15 @@ static const F64 LL_APR_USEC_PER_SEC = 1000000.0;
 
 
 LLDate::LLDate() : mSecondsSinceEpoch(DATE_EPOCH)
-{
-}
+{}
 
 LLDate::LLDate(const LLDate& date) :
 	mSecondsSinceEpoch(date.mSecondsSinceEpoch)
-{
-}
+{}
 
-LLDate::LLDate(F64 seconds_since_epoch) :
-	mSecondsSinceEpoch(seconds_since_epoch)
-{
-}
+LLDate::LLDate(LLUnit<LLUnits::Seconds, F64> seconds_since_epoch) :
+	mSecondsSinceEpoch(seconds_since_epoch.value())
+{}
 
 LLDate::LLDate(const std::string& iso8601_date)
 {
diff --git a/indra/llcommon/lldate.h b/indra/llcommon/lldate.h
index 7ff8b550ad..b62a846147 100644
--- a/indra/llcommon/lldate.h
+++ b/indra/llcommon/lldate.h
@@ -33,6 +33,7 @@
 #include <string>
 
 #include "stdtypes.h"
+#include "llunit.h"
 
 /** 
  * @class LLDate
@@ -56,9 +57,9 @@ public:
 	/** 
 	 * @brief Construct a date from a seconds since epoch value.
 	 *
-	 * @pararm seconds_since_epoch The number of seconds since UTC epoch.
+	 * @param seconds_since_epoch The number of seconds since UTC epoch.
 	 */
-	LLDate(F64 seconds_since_epoch);
+	LLDate(LLUnit<LLUnits::Seconds, F64> seconds_since_epoch);
 
 	/** 
 	 * @brief Construct a date from a string representation
diff --git a/indra/llcommon/lldefs.h b/indra/llcommon/lldefs.h
index 5a4b8325f4..d57b9dccff 100644
--- a/indra/llcommon/lldefs.h
+++ b/indra/llcommon/lldefs.h
@@ -244,5 +244,8 @@ inline void llswap(LLDATATYPE& lhs, LLDATATYPE& rhs)
 	rhs = tmp;
 }
 
+#define LL_GLUE_IMPL(x, y) x##y
+#define LL_GLUE_TOKENS(x, y) LL_GLUE_IMPL(x, y)
+
 #endif // LL_LLDEFS_H
 
diff --git a/indra/llcommon/llerrorlegacy.h b/indra/llcommon/llerrorlegacy.h
index 37cee579cd..58cc2899af 100644
--- a/indra/llcommon/llerrorlegacy.h
+++ b/indra/llcommon/llerrorlegacy.h
@@ -29,6 +29,7 @@
 #define LL_LLERRORLEGACY_H
 
 #include "llpreprocessor.h"
+#include <boost/static_assert.hpp>
 
 /*
 	LEGACY -- DO NOT USE THIS STUFF ANYMORE
@@ -111,6 +112,12 @@ const int LL_ERR_PRICE_MISMATCH = -23018;
 #define llverify(func)			do {if (func) {}} while(0)
 #endif
 
+#ifdef LL_WINDOWS
+#define llstatic_assert(func, msg) static_assert(func, msg)
+#else
+#define llstatic_assert(func, msg) BOOST_STATIC_ASSERT(func)
+#endif
+
 // handy compile-time assert - enforce those template parameters! 
 #define cassert(expn) typedef char __C_ASSERT__[(expn)?1:-1]   /* Flawfinder: ignore */
 	//XXX: used in two places in llcommon/llskipmap.h
diff --git a/indra/llcommon/llfasttimer.cpp b/indra/llcommon/llfasttimer.cpp
new file mode 100644
index 0000000000..e1549b4bff
--- /dev/null
+++ b/indra/llcommon/llfasttimer.cpp
@@ -0,0 +1,606 @@
+/** 
+ * @file llfasttimer.cpp
+ * @brief Implementation of the fast timer.
+ *
+ * $LicenseInfo:firstyear=2004&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#include "linden_common.h"
+
+#include "llfasttimer.h"
+
+#include "llmemory.h"
+#include "llprocessor.h"
+#include "llsingleton.h"
+#include "lltreeiterators.h"
+#include "llsdserialize.h"
+#include "llunit.h"
+#include "llsd.h"
+
+#include <boost/bind.hpp>
+#include <queue>
+
+
+#if LL_WINDOWS
+#include "lltimer.h"
+#elif LL_LINUX || LL_SOLARIS
+#include <sys/time.h>
+#include <sched.h>
+#include "lltimer.h"
+#elif LL_DARWIN
+#include <sys/time.h>
+#include "lltimer.h"	// get_clock_count()
+#else 
+#error "architecture not supported"
+#endif
+
+namespace LLTrace
+{
+
+//////////////////////////////////////////////////////////////////////////////
+// statics
+
+S32 BlockTimer::sCurFrameIndex = -1;
+S32 BlockTimer::sLastFrameIndex = -1;
+U64 BlockTimer::sLastFrameTime = BlockTimer::getCPUClockCount64();
+bool BlockTimer::sPauseHistory = 0;
+bool BlockTimer::sResetHistory = 0;
+LLThreadLocalPointer<CurTimerData> BlockTimer::sCurTimerData;
+bool BlockTimer::sLog = false;
+std::string BlockTimer::sLogName = "";
+bool BlockTimer::sMetricLog = false;
+static LLMutex*			sLogLock = NULL;
+static std::queue<LLSD> sLogQueue;
+
+#if LL_LINUX || LL_SOLARIS
+U64 BlockTimer::sClockResolution = 1000000000; // Nanosecond resolution
+#else
+U64 BlockTimer::sClockResolution = 1000000; // Microsecond resolution
+#endif
+
+// FIXME: move these declarations to the relevant modules
+
+// helper functions
+typedef LLTreeDFSPostIter<BlockTimer, BlockTimer::child_const_iter> timer_tree_bottom_up_iterator_t;
+
+static timer_tree_bottom_up_iterator_t begin_timer_tree_bottom_up(BlockTimer& id) 
+{ 
+	return timer_tree_bottom_up_iterator_t(&id, 
+							boost::bind(boost::mem_fn(&BlockTimer::beginChildren), _1), 
+							boost::bind(boost::mem_fn(&BlockTimer::endChildren), _1));
+}
+
+static timer_tree_bottom_up_iterator_t end_timer_tree_bottom_up() 
+{ 
+	return timer_tree_bottom_up_iterator_t(); 
+}
+
+typedef LLTreeDFSIter<BlockTimer, BlockTimer::child_const_iter> timer_tree_dfs_iterator_t;
+
+
+static timer_tree_dfs_iterator_t begin_timer_tree(BlockTimer& id) 
+{ 
+	return timer_tree_dfs_iterator_t(&id, 
+		boost::bind(boost::mem_fn(&BlockTimer::beginChildren), _1), 
+							boost::bind(boost::mem_fn(&BlockTimer::endChildren), _1));
+}
+
+static timer_tree_dfs_iterator_t end_timer_tree() 
+{ 
+	return timer_tree_dfs_iterator_t(); 
+}
+
+BlockTimer& BlockTimer::getRootTimer()
+{
+	static BlockTimer root_timer("root", true, NULL);
+	return root_timer;
+}
+
+void BlockTimer::pushLog(LLSD log)
+{
+	LLMutexLock lock(sLogLock);
+
+	sLogQueue.push(log);
+}
+
+void BlockTimer::setLogLock(LLMutex* lock)
+{
+	sLogLock = lock;
+}
+
+
+//static
+#if (LL_DARWIN || LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
+U64 BlockTimer::countsPerSecond() // counts per second for the *32-bit* timer
+{
+	return sClockResolution >> 8;
+}
+#else // windows or x86-mac or x86-linux or x86-solaris
+U64 BlockTimer::countsPerSecond() // counts per second for the *32-bit* timer
+{
+#if LL_FASTTIMER_USE_RDTSC || !LL_WINDOWS
+	//getCPUFrequency returns MHz and sCPUClockFrequency wants to be in Hz
+	static LLUnit<LLUnits::Hertz, U64> sCPUClockFrequency = LLProcessorInfo().getCPUFrequency();
+
+	// we drop the low-order byte in our timers, so report a lower frequency
+#else
+	// If we're not using RDTSC, each fasttimer tick is just a performance counter tick.
+	// Not redefining the clock frequency itself (in llprocessor.cpp/calculate_cpu_frequency())
+	// since that would change displayed MHz stats for CPUs
+	static bool firstcall = true;
+	static U64 sCPUClockFrequency;
+	if (firstcall)
+	{
+		QueryPerformanceFrequency((LARGE_INTEGER*)&sCPUClockFrequency);
+		firstcall = false;
+	}
+#endif
+	return sCPUClockFrequency >> 8;
+}
+#endif
+
+BlockTimer::BlockTimer(const char* name, bool open, BlockTimer* parent)
+:	TraceType(name),
+	mCollapsed(true),
+	mParent(NULL),
+	mTreeTimeCounter(0),
+	mCountAverage(0),
+	mCallAverage(0),
+	mNeedsSorting(false)
+{
+	setCollapsed(!open);
+
+	if (parent)
+	{
+		setParent(parent);
+	}
+	else
+	{
+		mParent = this;
+	}
+
+	mCountHistory = new U32[HISTORY_NUM];
+	memset(mCountHistory, 0, sizeof(U32) * HISTORY_NUM);
+	mCallHistory = new U32[HISTORY_NUM];
+	memset(mCallHistory, 0, sizeof(U32) * HISTORY_NUM);
+}
+
+BlockTimer::~BlockTimer()
+{
+	delete[] mCountHistory;
+	delete[] mCallHistory;
+}
+
+void BlockTimer::setParent(BlockTimer* parent)
+{
+	llassert_always(parent != this);
+	llassert_always(parent != NULL);
+
+	if (mParent)
+	{
+		// subtract our accumulated from previous parent
+		for (S32 i = 0; i < HISTORY_NUM; i++)
+		{
+			mParent->mCountHistory[i] -= mCountHistory[i];
+		}
+
+		// subtract average timing from previous parent
+		mParent->mCountAverage -= mCountAverage;
+
+		std::vector<BlockTimer*>& children = mParent->getChildren();
+		std::vector<BlockTimer*>::iterator found_it = std::find(children.begin(), children.end(), this);
+		if (found_it != children.end())
+		{
+			children.erase(found_it);
+		}
+	}
+
+	mParent = parent;
+	if (parent)
+	{
+		parent->getChildren().push_back(this);
+		parent->mNeedsSorting = true;
+	}
+}
+
+S32 BlockTimer::getDepth()
+{
+	S32 depth = 0;
+	BlockTimer* timerp = mParent;
+	while(timerp)
+	{
+		depth++;
+		if (timerp->getParent() == timerp) break;
+		timerp = timerp->mParent;
+	}
+	return depth;
+}
+
+// static
+void BlockTimer::processTimes()
+{
+	if (getCurFrameIndex() < 0) return;
+
+	buildHierarchy();
+	accumulateTimings();
+}
+
+// sort child timers by name
+struct SortTimerByName
+{
+	bool operator()(const BlockTimer* i1, const BlockTimer* i2)
+	{
+		return i1->getName() < i2->getName();
+	}
+};
+
+//static
+void BlockTimer::buildHierarchy()
+{
+	if (getCurFrameIndex() < 0 ) return;
+
+	// set up initial tree
+	{
+		for (LLInstanceTracker<BlockTimer>::instance_iter it = LLInstanceTracker<BlockTimer>::beginInstances(), end_it = LLInstanceTracker<BlockTimer>::endInstances(); it != end_it; ++it)
+		{
+			BlockTimer& timer = *it;
+			if (&timer == &BlockTimer::getRootTimer()) continue;
+			
+			// bootstrap tree construction by attaching to last timer to be on stack
+			// when this timer was called
+			if (timer.getPrimaryAccumulator().mLastCaller && timer.mParent == &BlockTimer::getRootTimer())
+			{
+				timer.setParent(timer.getPrimaryAccumulator().mLastCaller);
+				// no need to push up tree on first use, flag can be set spuriously
+				timer.getPrimaryAccumulator().mMoveUpTree = false;
+			}
+		}
+	}
+
+	// bump timers up tree if they've been flagged as being in the wrong place
+	// do this in a bottom up order to promote descendants first before promoting ancestors
+	// this preserves partial order derived from current frame's observations
+	for(timer_tree_bottom_up_iterator_t it = begin_timer_tree_bottom_up(BlockTimer::getRootTimer());
+		it != end_timer_tree_bottom_up();
+		++it)
+	{
+		BlockTimer* timerp = *it;
+		// skip root timer
+		if (timerp == &BlockTimer::getRootTimer()) continue;
+
+		if (timerp->getPrimaryAccumulator().mMoveUpTree)
+		{
+			// since ancestors have already been visited, re-parenting won't affect tree traversal
+			//step up tree, bringing our descendants with us
+			LL_DEBUGS("FastTimers") << "Moving " << timerp->getName() << " from child of " << timerp->getParent()->getName() <<
+				" to child of " << timerp->getParent()->getParent()->getName() << LL_ENDL;
+			timerp->setParent(timerp->getParent()->getParent());
+			timerp->getPrimaryAccumulator().mMoveUpTree = false;
+
+			// don't bubble up any ancestors until descendants are done bubbling up
+			it.skipAncestors();
+		}
+	}
+
+	// sort timers by time last called, so call graph makes sense
+	for(timer_tree_dfs_iterator_t it = begin_timer_tree(BlockTimer::getRootTimer());
+		it != end_timer_tree();
+		++it)
+	{
+		BlockTimer* timerp = (*it);
+		if (timerp->mNeedsSorting)
+		{
+			std::sort(timerp->getChildren().begin(), timerp->getChildren().end(), SortTimerByName());
+		}
+		timerp->mNeedsSorting = false;
+	}
+}
+
+//static
+void BlockTimer::accumulateTimings()
+{
+	U32 cur_time = getCPUClockCount32();
+
+	// walk up stack of active timers and accumulate current time while leaving timing structures active
+	Time* cur_timer = sCurTimerData->mCurTimer;
+	// root defined by parent pointing to self
+	CurTimerData* cur_data = sCurTimerData.get();
+	TimerAccumulator& accumulator = sCurTimerData->mTimerData->getPrimaryAccumulator();
+	while(cur_timer && cur_timer->mLastTimerData.mCurTimer != cur_timer)
+	{
+		U32 cumulative_time_delta = cur_time - cur_timer->mStartTime;
+		U32 self_time_delta = cumulative_time_delta - cur_data->mChildTime;
+		cur_data->mChildTime = 0;
+		accumulator.mSelfTimeCounter += self_time_delta;
+		accumulator.mTotalTimeCounter += cumulative_time_delta;
+
+		cur_timer->mStartTime = cur_time;
+
+		cur_data = &cur_timer->mLastTimerData;
+		cur_data->mChildTime += cumulative_time_delta;
+		if (cur_data->mTimerData)
+		{
+			accumulator = cur_data->mTimerData->getPrimaryAccumulator();
+		}
+
+		cur_timer = cur_timer->mLastTimerData.mCurTimer;
+	}
+
+	// traverse tree in DFS post order, or bottom up
+	for(timer_tree_bottom_up_iterator_t it = begin_timer_tree_bottom_up(BlockTimer::getRootTimer());
+		it != end_timer_tree_bottom_up();
+		++it)
+	{
+		BlockTimer* timerp = (*it);
+		TimerAccumulator& accumulator = timerp->getPrimaryAccumulator();
+		timerp->mTreeTimeCounter = accumulator.mSelfTimeCounter;
+		for (child_const_iter child_it = timerp->beginChildren(); child_it != timerp->endChildren(); ++child_it)
+		{
+			timerp->mTreeTimeCounter += (*child_it)->mTreeTimeCounter;
+		}
+
+		S32 cur_frame = getCurFrameIndex();
+		if (cur_frame >= 0)
+		{
+			// update timer history
+			int hidx = cur_frame % HISTORY_NUM;
+
+			timerp->mCountHistory[hidx] = timerp->mTreeTimeCounter;
+			timerp->mCountAverage       = ((U64)timerp->mCountAverage * cur_frame + timerp->mTreeTimeCounter) / (cur_frame+1);
+			timerp->mCallHistory[hidx]  = accumulator.mCalls;
+			timerp->mCallAverage        = ((U64)timerp->mCallAverage * cur_frame + accumulator.mCalls) / (cur_frame+1);
+		}
+	}
+}
+
+// static
+void BlockTimer::resetFrame()
+{
+	if (sLog)
+	{ //output current frame counts to performance log
+
+		static S32 call_count = 0;
+		if (call_count % 100 == 0)
+		{
+			LL_DEBUGS("FastTimers") << "countsPerSecond (32 bit): " << countsPerSecond() << LL_ENDL;
+			LL_DEBUGS("FastTimers") << "get_clock_count (64 bit): " << get_clock_count() << LL_ENDL;
+			LL_DEBUGS("FastTimers") << "LLProcessorInfo().getCPUFrequency() " << LLProcessorInfo().getCPUFrequency() << LL_ENDL;
+			LL_DEBUGS("FastTimers") << "getCPUClockCount32() " << getCPUClockCount32() << LL_ENDL;
+			LL_DEBUGS("FastTimers") << "getCPUClockCount64() " << getCPUClockCount64() << LL_ENDL;
+			LL_DEBUGS("FastTimers") << "elapsed sec " << ((F64)getCPUClockCount64()) / (LLUnit<LLUnits::Hertz, F64>(LLProcessorInfo().getCPUFrequency())) << LL_ENDL;
+		}
+		call_count++;
+
+		F64 iclock_freq = 1000.0 / countsPerSecond(); // good place to calculate clock frequency
+
+		F64 total_time = 0;
+		LLSD sd;
+
+		{
+			for (LLInstanceTracker<BlockTimer>::instance_iter it = LLInstanceTracker<BlockTimer>::beginInstances(), 
+					end_it = LLInstanceTracker<BlockTimer>::endInstances(); 
+				it != end_it; 
+				++it)
+			{
+				BlockTimer& timer = *it;
+				TimerAccumulator& accumulator = timer.getPrimaryAccumulator();
+				sd[timer.getName()]["Time"] = (LLSD::Real) (accumulator.mSelfTimeCounter*iclock_freq);	
+				sd[timer.getName()]["Calls"] = (LLSD::Integer) accumulator.mCalls;
+				
+				// computing total time here because getting the root timer's getCountHistory
+				// doesn't work correctly on the first frame
+				total_time = total_time + accumulator.mSelfTimeCounter * iclock_freq;
+			}
+		}
+
+		sd["Total"]["Time"] = (LLSD::Real) total_time;
+		sd["Total"]["Calls"] = (LLSD::Integer) 1;
+
+		{		
+			LLMutexLock lock(sLogLock);
+			sLogQueue.push(sd);
+		}
+	}
+
+	// reset for next frame
+	for (LLInstanceTracker<BlockTimer>::instance_iter it = LLInstanceTracker<BlockTimer>::beginInstances(),
+			end_it = LLInstanceTracker<BlockTimer>::endInstances();
+		it != end_it;
+		++it)
+	{
+		BlockTimer& timer = *it;
+		TimerAccumulator& accumulator = timer.getPrimaryAccumulator();
+		accumulator.mSelfTimeCounter = 0;
+		accumulator.mCalls = 0;
+		accumulator.mLastCaller = NULL;
+		accumulator.mMoveUpTree = false;
+	}
+}
+
+//static
+void BlockTimer::reset()
+{
+	resetFrame(); // reset frame data
+
+	// walk up stack of active timers and reset start times to current time
+	// effectively zeroing out any accumulated time
+	U32 cur_time = getCPUClockCount32();
+
+	// root defined by parent pointing to self
+	CurTimerData* cur_data = sCurTimerData.get();
+	Time* cur_timer = cur_data->mCurTimer;
+	while(cur_timer && cur_timer->mLastTimerData.mCurTimer != cur_timer)
+	{
+		cur_timer->mStartTime = cur_time;
+		cur_data->mChildTime = 0;
+
+		cur_data = &cur_timer->mLastTimerData;
+		cur_timer = cur_data->mCurTimer;
+	}
+
+	// reset all history
+	{
+		for (LLInstanceTracker<BlockTimer>::instance_iter it = LLInstanceTracker<BlockTimer>::beginInstances(), 
+				end_it = LLInstanceTracker<BlockTimer>::endInstances(); 
+			it != end_it; 
+			++it)
+		{
+			BlockTimer& timer = *it;
+			if (&timer != &BlockTimer::getRootTimer()) 
+			{
+				timer.setParent(&BlockTimer::getRootTimer());
+			}
+			
+			timer.mCountAverage = 0;
+			timer.mCallAverage = 0;
+			memset(timer.mCountHistory, 0, sizeof(U32) * HISTORY_NUM);
+			memset(timer.mCallHistory, 0, sizeof(U32) * HISTORY_NUM);
+		}
+	}
+
+	sLastFrameIndex = 0;
+	sCurFrameIndex = 0;
+}
+
+U32 BlockTimer::getHistoricalCount(S32 history_index) const
+{
+	S32 history_idx = (getLastFrameIndex() + history_index) % HISTORY_NUM;
+	return mCountHistory[history_idx];
+}
+
+U32 BlockTimer::getHistoricalCalls(S32 history_index ) const
+{
+	S32 history_idx = (getLastFrameIndex() + history_index) % HISTORY_NUM;
+	return mCallHistory[history_idx];
+}
+
+std::vector<BlockTimer*>::const_iterator BlockTimer::beginChildren()
+{ 
+	return mChildren.begin(); 
+}
+
+std::vector<BlockTimer*>::const_iterator BlockTimer::endChildren()
+{
+	return mChildren.end();
+}
+
+std::vector<BlockTimer*>& BlockTimer::getChildren()
+{
+	return mChildren;
+}
+
+//static
+void BlockTimer::nextFrame()
+{
+	BlockTimer::countsPerSecond(); // good place to calculate clock frequency
+	U64 frame_time = BlockTimer::getCPUClockCount64();
+	if ((frame_time - sLastFrameTime) >> 8 > 0xffffffff)
+	{
+		llinfos << "Slow frame, fast timers inaccurate" << llendl;
+	}
+
+	if (!sPauseHistory)
+	{
+		BlockTimer::processTimes();
+		sLastFrameIndex = sCurFrameIndex++;
+	}
+	
+	// get ready for next frame
+	BlockTimer::resetFrame();
+	sLastFrameTime = frame_time;
+}
+
+//static
+void Time::dumpCurTimes()
+{
+	// accumulate timings, etc.
+	BlockTimer::processTimes();
+	
+	F64 clock_freq = (F64)BlockTimer::countsPerSecond();
+	F64 iclock_freq = 1000.0 / clock_freq; // clock_ticks -> milliseconds
+
+	// walk over timers in depth order and output timings
+	for(timer_tree_dfs_iterator_t it = begin_timer_tree(BlockTimer::getRootTimer());
+		it != end_timer_tree();
+		++it)
+	{
+		BlockTimer* timerp = (*it);
+		F64 total_time_ms = ((F64)timerp->getHistoricalCount(0) * iclock_freq);
+		// Don't bother with really brief times, keep output concise
+		if (total_time_ms < 0.1) continue;
+
+		std::ostringstream out_str;
+		for (S32 i = 0; i < timerp->getDepth(); i++)
+		{
+			out_str << "\t";
+		}
+
+
+		out_str << timerp->getName() << " " 
+			<< std::setprecision(3) << total_time_ms << " ms, "
+			<< timerp->getHistoricalCalls(0) << " calls";
+
+		llinfos << out_str.str() << llendl;
+	}
+}
+
+//static
+void Time::writeLog(std::ostream& os)
+{
+	while (!sLogQueue.empty())
+	{
+		LLSD& sd = sLogQueue.front();
+		LLSDSerialize::toXML(sd, os);
+		LLMutexLock lock(sLogLock);
+		sLogQueue.pop();
+	}
+}
+
+
+LLTrace::TimerAccumulator::TimerAccumulator() :	mSelfTimeCounter(0),
+	mTotalTimeCounter(0),
+	mCalls(0),
+	mLastCaller(NULL),
+	mActiveCount(0),
+	mMoveUpTree(false)
+{}
+
+void LLTrace::TimerAccumulator::addSamples( const LLTrace::TimerAccumulator& other )
+{
+	mSelfTimeCounter += other.mSelfTimeCounter;
+	mTotalTimeCounter += other.mTotalTimeCounter;
+	mCalls += other.mCalls;
+	if (!mLastCaller)
+	{
+		mLastCaller = other.mLastCaller;
+	}
+
+	//mActiveCount stays the same;
+	mMoveUpTree |= other.mMoveUpTree;
+}
+
+void LLTrace::TimerAccumulator::reset( const LLTrace::TimerAccumulator* other )
+{
+	mTotalTimeCounter = 0;
+	mSelfTimeCounter = 0;
+	mCalls = 0;
+}
+}
diff --git a/indra/llcommon/llfasttimer.h b/indra/llcommon/llfasttimer.h
index 2b25f2fabb..af9b360e01 100644
--- a/indra/llcommon/llfasttimer.h
+++ b/indra/llcommon/llfasttimer.h
@@ -1,6 +1,6 @@
 /**
  * @file llfasttimer.h
- * @brief Inline implementations of fast timers.
+ * @brief Declaration of a fast timer.
  *
  * $LicenseInfo:firstyear=2004&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -27,9 +27,309 @@
 #ifndef LL_FASTTIMER_H
 #define LL_FASTTIMER_H
 
-// Implementation of getCPUClockCount32() and getCPUClockCount64 are now in llfastertimer_class.cpp.
+#include "llinstancetracker.h"
+#include "lltrace.h"
 
-// pull in the actual class definition
-#include "llfasttimer_class.h"
+#define FAST_TIMER_ON 1
+#define LL_FASTTIMER_USE_RDTSC 1
+
+class LLMutex;
+
+namespace LLTrace
+{
+struct CurTimerData
+{
+	class Time*			mCurTimer;
+	class BlockTimer*	mTimerData;
+	U64					mChildTime;
+};
+
+class Time
+{
+public:
+	friend class BlockTimer;
+	typedef Time self_t;
+	typedef class BlockTimer DeclareTimer;
+
+	Time(BlockTimer& timer);
+	~Time();
+
+public:
+	// dumps current cumulative frame stats to log
+	// call nextFrame() to reset timers
+	static void dumpCurTimes();
+
+	static void writeLog(std::ostream& os);
+
+private:
+
+	U64				mStartTime;
+	CurTimerData	mLastTimerData;
+};
+
+// stores a "named" timer instance to be reused via multiple Time stack instances
+class BlockTimer 
+:	public TraceType<TimerAccumulator>,
+	public LLInstanceTracker<BlockTimer>
+{
+public:
+	BlockTimer(const char* name, bool open = false, BlockTimer* parent = &getRootTimer());
+	~BlockTimer();
+
+	enum { HISTORY_NUM = 300 };
+
+	BlockTimer* getParent() const { return mParent; }
+	void setParent(BlockTimer* parent);
+	S32 getDepth();
+
+	typedef std::vector<BlockTimer*>::const_iterator child_const_iter;
+	child_const_iter beginChildren();
+	child_const_iter endChildren();
+	std::vector<BlockTimer*>& getChildren();
+
+	void setCollapsed(bool collapsed)	{ mCollapsed = collapsed; }
+	bool getCollapsed() const			{ return mCollapsed; }
+
+	U32 getCountAverage() const { return mCountAverage; }
+	U32 getCallAverage() const	{ return mCallAverage; }
+
+	U32 getHistoricalCount(S32 history_index = 0) const;
+	U32 getHistoricalCalls(S32 history_index = 0) const;
+
+	static BlockTimer& getRootTimer();
+	static void pushLog(LLSD sd);
+	static void setLogLock(LLMutex* mutex);
+	friend class Time;
+
+
+	//////////////////////////////////////////////////////////////////////////////
+	//
+	// Important note: These implementations must be FAST!
+	//
+
+
+#if LL_WINDOWS
+	//
+	// Windows implementation of CPU clock
+	//
+
+	//
+	// NOTE: put back in when we aren't using platform sdk anymore
+	//
+	// because MS has different signatures for these functions in winnt.h
+	// need to rename them to avoid conflicts
+	//#define _interlockedbittestandset _renamed_interlockedbittestandset
+	//#define _interlockedbittestandreset _renamed_interlockedbittestandreset
+	//#include <intrin.h>
+	//#undef _interlockedbittestandset
+	//#undef _interlockedbittestandreset
+
+	//inline U32 BlockTimer::getCPUClockCount32()
+	//{
+	//	U64 time_stamp = __rdtsc();
+	//	return (U32)(time_stamp >> 8);
+	//}
+	//
+	//// return full timer value, *not* shifted by 8 bits
+	//inline U64 BlockTimer::getCPUClockCount64()
+	//{
+	//	return __rdtsc();
+	//}
+
+	// shift off lower 8 bits for lower resolution but longer term timing
+	// on 1Ghz machine, a 32-bit word will hold ~1000 seconds of timing
+#if LL_FASTTIMER_USE_RDTSC
+	static U32 getCPUClockCount32()
+	{
+		U32 ret_val;
+		__asm
+		{
+			_emit   0x0f
+				_emit   0x31
+				shr eax,8
+				shl edx,24
+				or eax, edx
+				mov dword ptr [ret_val], eax
+		}
+		return ret_val;
+	}
+
+	// return full timer value, *not* shifted by 8 bits
+	static U64 getCPUClockCount64()
+	{
+		U64 ret_val;
+		__asm
+		{
+			_emit   0x0f
+				_emit   0x31
+				mov eax,eax
+				mov edx,edx
+				mov dword ptr [ret_val+4], edx
+				mov dword ptr [ret_val], eax
+		}
+		return ret_val;
+	}
+
+#else
+	//U64 get_clock_count(); // in lltimer.cpp
+	// These use QueryPerformanceCounter, which is arguably fine and also works on AMD architectures.
+	static U32 getCPUClockCount32()
+	{
+		return (U32)(get_clock_count()>>8);
+	}
+
+	static U64 getCPUClockCount64()
+	{
+		return get_clock_count();
+	}
+
+#endif
+
+#endif
+
+
+#if (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
+	//
+	// Linux and Solaris implementation of CPU clock - non-x86.
+	// This is accurate but SLOW!  Only use out of desperation.
+	//
+	// Try to use the MONOTONIC clock if available, this is a constant time counter
+	// with nanosecond resolution (but not necessarily accuracy) and attempts are
+	// made to synchronize this value between cores at kernel start. It should not
+	// be affected by CPU frequency. If not available use the REALTIME clock, but
+	// this may be affected by NTP adjustments or other user activity affecting
+	// the system time.
+	static U64 getCPUClockCount64()
+	{
+		struct timespec tp;
+
+#ifdef CLOCK_MONOTONIC // MONOTONIC supported at build-time?
+		if (-1 == clock_gettime(CLOCK_MONOTONIC,&tp)) // if MONOTONIC isn't supported at runtime then ouch, try REALTIME
+#endif
+			clock_gettime(CLOCK_REALTIME,&tp);
+
+		return (tp.tv_sec*sClockResolution)+tp.tv_nsec;        
+	}
+
+	static U32 getCPUClockCount32()
+	{
+		return (U32)(getCPUClockCount64() >> 8);
+	}
+
+#endif // (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
+
+
+#if (LL_LINUX || LL_SOLARIS || LL_DARWIN) && (defined(__i386__) || defined(__amd64__))
+	//
+	// Mac+Linux+Solaris FAST x86 implementation of CPU clock
+	static U32 getCPUClockCount32()
+	{
+		U64 x;
+		__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
+		return (U32)(x >> 8);
+	}
+
+	static U64 getCPUClockCount64()
+	{
+		U64 x;
+		__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
+		return x;
+	}
+
+#endif
+
+	static U64 countsPerSecond();
+
+	// recursive call to gather total time from children
+	static void accumulateTimings();
+
+	// updates cumulative times and hierarchy,
+	// can be called multiple times in a frame, at any point
+	static void processTimes();
+
+	static void buildHierarchy();
+	static void resetFrame();
+	static void reset();
+	// call this once a frame to reset timers
+	static void nextFrame();
+	static S32 getLastFrameIndex() { return sLastFrameIndex; }
+	static S32 getCurFrameIndex() { return sCurFrameIndex; }
+
+
+
+	// sum of recorded self time and tree time of all children timers (might not match actual recorded time of children if topology is incomplete
+	U32 						mTreeTimeCounter; 
+
+	U32 						mCountAverage;
+	U32							mCallAverage;
+
+	U32*						mCountHistory;
+	U32*						mCallHistory;
+
+	// tree structure
+	BlockTimer*					mParent;				// BlockTimer of caller(parent)
+	std::vector<BlockTimer*>	mChildren;
+	bool						mCollapsed;				// don't show children
+	bool						mNeedsSorting;			// sort children whenever child added
+
+	// statics
+	static std::string							sLogName;
+	static bool									sMetricLog;
+	static bool									sLog;	
+	static LLThreadLocalPointer<CurTimerData>	sCurTimerData;
+	static U64									sClockResolution;
+	static S32									sCurFrameIndex;
+	static S32									sLastFrameIndex;
+	static U64									sLastFrameTime;
+	static bool 								sPauseHistory;
+	static bool 								sResetHistory;
+
+};
+
+LL_FORCE_INLINE Time::Time(BlockTimer& timer)
+{
+#if FAST_TIMER_ON
+	mStartTime = BlockTimer::getCPUClockCount64();
+
+	TimerAccumulator& accumulator = timer.getPrimaryAccumulator();
+	accumulator.mActiveCount++;
+	accumulator.mCalls++;
+	// keep current parent as long as it is active when we are
+	accumulator.mMoveUpTree |= (timer.mParent->getPrimaryAccumulator().mActiveCount == 0);
+
+	CurTimerData* cur_timer_data = BlockTimer::sCurTimerData.get();
+	// store top of stack
+	mLastTimerData = *cur_timer_data;
+	// push new information
+	cur_timer_data->mCurTimer = this;
+	cur_timer_data->mTimerData = &timer;
+	cur_timer_data->mChildTime = 0;
+#endif
+}
+
+LL_FORCE_INLINE Time::~Time()
+{
+#if FAST_TIMER_ON
+	U64 total_time = BlockTimer::getCPUClockCount64() - mStartTime;
+	CurTimerData* cur_timer_data = BlockTimer::sCurTimerData.get();
+	TimerAccumulator& accumulator = cur_timer_data->mTimerData->getPrimaryAccumulator();
+	accumulator.mSelfTimeCounter += total_time - cur_timer_data->mChildTime;
+	accumulator.mTotalTimeCounter += total_time;
+	accumulator.mActiveCount--;
+
+	// store last caller to bootstrap tree creation
+	// do this in the destructor in case of recursion to get topmost caller
+	accumulator.mLastCaller = mLastTimerData.mTimerData;
+
+	// we are only tracking self time, so subtract our total time delta from parents
+	mLastTimerData.mChildTime += total_time;
+
+	*BlockTimer::sCurTimerData = mLastTimerData;
+#endif
+}
+
+}
+
+typedef LLTrace::Time LLFastTimer; 
 
 #endif // LL_LLFASTTIMER_H
diff --git a/indra/llcommon/llfasttimer_class.cpp b/indra/llcommon/llfasttimer_class.cpp
deleted file mode 100644
index 463f558c2c..0000000000
--- a/indra/llcommon/llfasttimer_class.cpp
+++ /dev/null
@@ -1,921 +0,0 @@
-/** 
- * @file llfasttimer_class.cpp
- * @brief Implementation of the fast timer.
- *
- * $LicenseInfo:firstyear=2004&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-#include "linden_common.h"
-
-#include "llfasttimer.h"
-
-#include "llmemory.h"
-#include "llprocessor.h"
-#include "llsingleton.h"
-#include "lltreeiterators.h"
-#include "llsdserialize.h"
-
-#include <boost/bind.hpp>
-
-
-#if LL_WINDOWS
-#include "lltimer.h"
-#elif LL_LINUX || LL_SOLARIS
-#include <sys/time.h>
-#include <sched.h>
-#include "lltimer.h"
-#elif LL_DARWIN
-#include <sys/time.h>
-#include "lltimer.h"	// get_clock_count()
-#else 
-#error "architecture not supported"
-#endif
-
-//////////////////////////////////////////////////////////////////////////////
-// statics
-
-S32 LLFastTimer::sCurFrameIndex = -1;
-S32 LLFastTimer::sLastFrameIndex = -1;
-U64 LLFastTimer::sLastFrameTime = LLFastTimer::getCPUClockCount64();
-bool LLFastTimer::sPauseHistory = 0;
-bool LLFastTimer::sResetHistory = 0;
-LLFastTimer::CurTimerData LLFastTimer::sCurTimerData;
-BOOL LLFastTimer::sLog = FALSE;
-std::string LLFastTimer::sLogName = "";
-BOOL LLFastTimer::sMetricLog = FALSE;
-LLMutex* LLFastTimer::sLogLock = NULL;
-std::queue<LLSD> LLFastTimer::sLogQueue;
-
-#define USE_RDTSC 0
-
-#if LL_LINUX || LL_SOLARIS
-U64 LLFastTimer::sClockResolution = 1000000000; // Nanosecond resolution
-#else
-U64 LLFastTimer::sClockResolution = 1000000; // Microsecond resolution
-#endif
-
-std::vector<LLFastTimer::FrameState>* LLFastTimer::sTimerInfos = NULL;
-U64				LLFastTimer::sTimerCycles = 0;
-U32				LLFastTimer::sTimerCalls = 0;
-
-
-// FIXME: move these declarations to the relevant modules
-
-// helper functions
-typedef LLTreeDFSPostIter<LLFastTimer::NamedTimer, LLFastTimer::NamedTimer::child_const_iter> timer_tree_bottom_up_iterator_t;
-
-static timer_tree_bottom_up_iterator_t begin_timer_tree_bottom_up(LLFastTimer::NamedTimer& id) 
-{ 
-	return timer_tree_bottom_up_iterator_t(&id, 
-							boost::bind(boost::mem_fn(&LLFastTimer::NamedTimer::beginChildren), _1), 
-							boost::bind(boost::mem_fn(&LLFastTimer::NamedTimer::endChildren), _1));
-}
-
-static timer_tree_bottom_up_iterator_t end_timer_tree_bottom_up() 
-{ 
-	return timer_tree_bottom_up_iterator_t(); 
-}
-
-typedef LLTreeDFSIter<LLFastTimer::NamedTimer, LLFastTimer::NamedTimer::child_const_iter> timer_tree_dfs_iterator_t;
-
-
-static timer_tree_dfs_iterator_t begin_timer_tree(LLFastTimer::NamedTimer& id) 
-{ 
-	return timer_tree_dfs_iterator_t(&id, 
-		boost::bind(boost::mem_fn(&LLFastTimer::NamedTimer::beginChildren), _1), 
-							boost::bind(boost::mem_fn(&LLFastTimer::NamedTimer::endChildren), _1));
-}
-
-static timer_tree_dfs_iterator_t end_timer_tree() 
-{ 
-	return timer_tree_dfs_iterator_t(); 
-}
-
-
-
-// factory class that creates NamedTimers via static DeclareTimer objects
-class NamedTimerFactory : public LLSingleton<NamedTimerFactory>
-{
-public:
-	NamedTimerFactory()
-		: mActiveTimerRoot(NULL),
-		  mTimerRoot(NULL),
-		  mAppTimer(NULL),
-		  mRootFrameState(NULL)
-	{}
-
-	/*virtual */ void initSingleton()
-	{
-		mTimerRoot = new LLFastTimer::NamedTimer("root");
-
-		mActiveTimerRoot = new LLFastTimer::NamedTimer("Frame");
-		mActiveTimerRoot->setCollapsed(false);
-
-		mRootFrameState = new LLFastTimer::FrameState(mActiveTimerRoot);
-		mRootFrameState->mParent = &mTimerRoot->getFrameState();
-		mActiveTimerRoot->setParent(mTimerRoot);
-
-		mAppTimer = new LLFastTimer(mRootFrameState);
-	}
-
-	~NamedTimerFactory()
-	{
-		std::for_each(mTimers.begin(), mTimers.end(), DeletePairedPointer());
-
-		delete mAppTimer;
-		delete mActiveTimerRoot; 
-		delete mTimerRoot;
-		delete mRootFrameState;
-	}
-
-	LLFastTimer::NamedTimer& createNamedTimer(const std::string& name)
-	{
-		timer_map_t::iterator found_it = mTimers.find(name);
-		if (found_it != mTimers.end())
-		{
-			return *found_it->second;
-		}
-
-		LLFastTimer::NamedTimer* timer = new LLFastTimer::NamedTimer(name);
-		timer->setParent(mTimerRoot);
-		mTimers.insert(std::make_pair(name, timer));
-
-		return *timer;
-	}
-
-	LLFastTimer::NamedTimer* getTimerByName(const std::string& name)
-	{
-		timer_map_t::iterator found_it = mTimers.find(name);
-		if (found_it != mTimers.end())
-		{
-			return found_it->second;
-		}
-		return NULL;
-	}
-
-	LLFastTimer::NamedTimer* getActiveRootTimer() { return mActiveTimerRoot; }
-	LLFastTimer::NamedTimer* getRootTimer() { return mTimerRoot; }
-	const LLFastTimer* getAppTimer() { return mAppTimer; }
-	LLFastTimer::FrameState& getRootFrameState() { return *mRootFrameState; }
-
-	typedef std::map<std::string, LLFastTimer::NamedTimer*> timer_map_t;
-	timer_map_t::iterator beginTimers() { return mTimers.begin(); }
-	timer_map_t::iterator endTimers() { return mTimers.end(); }
-	S32 timerCount() { return mTimers.size(); }
-
-private:
-	timer_map_t mTimers;
-
-	LLFastTimer::NamedTimer*		mActiveTimerRoot;
-	LLFastTimer::NamedTimer*		mTimerRoot;
-	LLFastTimer*						mAppTimer;
-	LLFastTimer::FrameState*		mRootFrameState;
-};
-
-void update_cached_pointers_if_changed()
-{
-	// detect when elements have moved and update cached pointers
-	static LLFastTimer::FrameState* sFirstTimerAddress = NULL;
-	if (&*(LLFastTimer::getFrameStateList().begin()) != sFirstTimerAddress)
-	{
-		LLFastTimer::DeclareTimer::updateCachedPointers();
-	}
-	sFirstTimerAddress = &*(LLFastTimer::getFrameStateList().begin());
-}
-
-LLFastTimer::DeclareTimer::DeclareTimer(const std::string& name, bool open )
-:	mTimer(NamedTimerFactory::instance().createNamedTimer(name))
-{
-	mTimer.setCollapsed(!open);
-	mFrameState = &mTimer.getFrameState();
-	update_cached_pointers_if_changed();
-}
-
-LLFastTimer::DeclareTimer::DeclareTimer(const std::string& name)
-:	mTimer(NamedTimerFactory::instance().createNamedTimer(name))
-{
-	mFrameState = &mTimer.getFrameState();
-	update_cached_pointers_if_changed();
-}
-
-// static
-void LLFastTimer::DeclareTimer::updateCachedPointers()
-{
-	// propagate frame state pointers to timer declarations
-	for (instance_iter it = beginInstances(); it != endInstances(); ++it)
-	{
-		// update cached pointer
-		it->mFrameState = &it->mTimer.getFrameState();
-	}
-
-	// also update frame states of timers on stack
-	LLFastTimer* cur_timerp = LLFastTimer::sCurTimerData.mCurTimer;
-	while(cur_timerp->mLastTimerData.mCurTimer != cur_timerp)	
-	{
-		cur_timerp->mFrameState = &cur_timerp->mFrameState->mTimer->getFrameState();
-		cur_timerp = cur_timerp->mLastTimerData.mCurTimer;
-	}
-}
-
-//static
-#if (LL_DARWIN || LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
-U64 LLFastTimer::countsPerSecond() // counts per second for the *32-bit* timer
-{
-	return sClockResolution >> 8;
-}
-#else // windows or x86-mac or x86-linux or x86-solaris
-U64 LLFastTimer::countsPerSecond() // counts per second for the *32-bit* timer
-{
-#if USE_RDTSC || !LL_WINDOWS
-	//getCPUFrequency returns MHz and sCPUClockFrequency wants to be in Hz
-	static U64 sCPUClockFrequency = U64(LLProcessorInfo().getCPUFrequency()*1000000.0);
-
-	// we drop the low-order byte in our timers, so report a lower frequency
-#else
-	// If we're not using RDTSC, each fasttimer tick is just a performance counter tick.
-	// Not redefining the clock frequency itself (in llprocessor.cpp/calculate_cpu_frequency())
-	// since that would change displayed MHz stats for CPUs
-	static bool firstcall = true;
-	static U64 sCPUClockFrequency;
-	if (firstcall)
-	{
-		QueryPerformanceFrequency((LARGE_INTEGER*)&sCPUClockFrequency);
-		firstcall = false;
-	}
-#endif
-	return sCPUClockFrequency >> 8;
-}
-#endif
-
-LLFastTimer::FrameState::FrameState(LLFastTimer::NamedTimer* timerp)
-:	mActiveCount(0),
-	mCalls(0),
-	mSelfTimeCounter(0),
-	mParent(NULL),
-	mLastCaller(NULL),
-	mMoveUpTree(false),
-	mTimer(timerp)
-{}
-
-
-LLFastTimer::NamedTimer::NamedTimer(const std::string& name)
-:	mName(name),
-	mCollapsed(true),
-	mParent(NULL),
-	mTotalTimeCounter(0),
-	mCountAverage(0),
-	mCallAverage(0),
-	mNeedsSorting(false)
-{
-	info_list_t& frame_state_list = getFrameStateList();
-	mFrameStateIndex = frame_state_list.size();
-	getFrameStateList().push_back(FrameState(this));
-
-	mCountHistory = new U32[HISTORY_NUM];
-	memset(mCountHistory, 0, sizeof(U32) * HISTORY_NUM);
-	mCallHistory = new U32[HISTORY_NUM];
-	memset(mCallHistory, 0, sizeof(U32) * HISTORY_NUM);
-}
-
-LLFastTimer::NamedTimer::~NamedTimer()
-{
-	delete[] mCountHistory;
-	delete[] mCallHistory;
-}
-
-std::string LLFastTimer::NamedTimer::getToolTip(S32 history_idx)
-{
-	F64 ms_multiplier = 1000.0 / (F64)LLFastTimer::countsPerSecond();
-	if (history_idx < 0)
-	{
-		// by default, show average number of call
-		return llformat("%s (%d ms, %d calls)", getName().c_str(), (S32)(getCountAverage() * ms_multiplier), (S32)getCallAverage());
-	}
-	else
-	{
-		return llformat("%s (%d ms, %d calls)", getName().c_str(), (S32)(getHistoricalCount(history_idx) * ms_multiplier), (S32)getHistoricalCalls(history_idx));
-	}
-}
-
-void LLFastTimer::NamedTimer::setParent(NamedTimer* parent)
-{
-	llassert_always(parent != this);
-	llassert_always(parent != NULL);
-
-	if (mParent)
-	{
-		// subtract our accumulated from previous parent
-		for (S32 i = 0; i < HISTORY_NUM; i++)
-		{
-			mParent->mCountHistory[i] -= mCountHistory[i];
-		}
-
-		// subtract average timing from previous parent
-		mParent->mCountAverage -= mCountAverage;
-
-		std::vector<NamedTimer*>& children = mParent->getChildren();
-		std::vector<NamedTimer*>::iterator found_it = std::find(children.begin(), children.end(), this);
-		if (found_it != children.end())
-		{
-			children.erase(found_it);
-		}
-	}
-
-	mParent = parent;
-	if (parent)
-	{
-		getFrameState().mParent = &parent->getFrameState();
-		parent->getChildren().push_back(this);
-		parent->mNeedsSorting = true;
-	}
-}
-
-S32 LLFastTimer::NamedTimer::getDepth()
-{
-	S32 depth = 0;
-	NamedTimer* timerp = mParent;
-	while(timerp)
-	{
-		depth++;
-		timerp = timerp->mParent;
-	}
-	return depth;
-}
-
-// static
-void LLFastTimer::NamedTimer::processTimes()
-{
-	if (sCurFrameIndex < 0) return;
-
-	buildHierarchy();
-	accumulateTimings();
-}
-
-// sort timer info structs by depth first traversal order
-struct SortTimersDFS
-{
-	bool operator()(const LLFastTimer::FrameState& i1, const LLFastTimer::FrameState& i2)
-	{
-		return i1.mTimer->getFrameStateIndex() < i2.mTimer->getFrameStateIndex();
-	}
-};
-
-// sort child timers by name
-struct SortTimerByName
-{
-	bool operator()(const LLFastTimer::NamedTimer* i1, const LLFastTimer::NamedTimer* i2)
-	{
-		return i1->getName() < i2->getName();
-	}
-};
-
-//static
-void LLFastTimer::NamedTimer::buildHierarchy()
-{
-	if (sCurFrameIndex < 0 ) return;
-
-	// set up initial tree
-	{
-		for (instance_iter it = beginInstances(); it != endInstances(); ++it)
-		{
-			NamedTimer& timer = *it;
-			if (&timer == NamedTimerFactory::instance().getRootTimer()) continue;
-			
-			// bootstrap tree construction by attaching to last timer to be on stack
-			// when this timer was called
-			if (timer.getFrameState().mLastCaller && timer.mParent == NamedTimerFactory::instance().getRootTimer())
-			{
-				timer.setParent(timer.getFrameState().mLastCaller->mTimer);
-				// no need to push up tree on first use, flag can be set spuriously
-				timer.getFrameState().mMoveUpTree = false;
-			}
-		}
-	}
-
-	// bump timers up tree if they've been flagged as being in the wrong place
-	// do this in a bottom up order to promote descendants first before promoting ancestors
-	// this preserves partial order derived from current frame's observations
-	for(timer_tree_bottom_up_iterator_t it = begin_timer_tree_bottom_up(*NamedTimerFactory::instance().getRootTimer());
-		it != end_timer_tree_bottom_up();
-		++it)
-	{
-		NamedTimer* timerp = *it;
-		// skip root timer
-		if (timerp == NamedTimerFactory::instance().getRootTimer()) continue;
-
-		if (timerp->getFrameState().mMoveUpTree)
-		{
-			// since ancestors have already been visited, reparenting won't affect tree traversal
-			//step up tree, bringing our descendants with us
-			//llinfos << "Moving " << timerp->getName() << " from child of " << timerp->getParent()->getName() <<
-			//	" to child of " << timerp->getParent()->getParent()->getName() << llendl;
-			timerp->setParent(timerp->getParent()->getParent());
-			timerp->getFrameState().mMoveUpTree = false;
-
-			// don't bubble up any ancestors until descendants are done bubbling up
-			it.skipAncestors();
-		}
-	}
-
-	// sort timers by time last called, so call graph makes sense
-	for(timer_tree_dfs_iterator_t it = begin_timer_tree(*NamedTimerFactory::instance().getRootTimer());
-		it != end_timer_tree();
-		++it)
-	{
-		NamedTimer* timerp = (*it);
-		if (timerp->mNeedsSorting)
-		{
-			std::sort(timerp->getChildren().begin(), timerp->getChildren().end(), SortTimerByName());
-		}
-		timerp->mNeedsSorting = false;
-	}
-}
-
-//static
-void LLFastTimer::NamedTimer::accumulateTimings()
-{
-	U32 cur_time = getCPUClockCount32();
-
-	// walk up stack of active timers and accumulate current time while leaving timing structures active
-	LLFastTimer* cur_timer = sCurTimerData.mCurTimer;
-	// root defined by parent pointing to self
-	CurTimerData* cur_data = &sCurTimerData;
-	while(cur_timer->mLastTimerData.mCurTimer != cur_timer)
-	{
-		U32 cumulative_time_delta = cur_time - cur_timer->mStartTime;
-		U32 self_time_delta = cumulative_time_delta - cur_data->mChildTime;
-		cur_data->mChildTime = 0;
-		cur_timer->mFrameState->mSelfTimeCounter += self_time_delta;
-		cur_timer->mStartTime = cur_time;
-
-		cur_data = &cur_timer->mLastTimerData;
-		cur_data->mChildTime += cumulative_time_delta;
-
-		cur_timer = cur_timer->mLastTimerData.mCurTimer;
-	}
-
-	// traverse tree in DFS post order, or bottom up
-	for(timer_tree_bottom_up_iterator_t it = begin_timer_tree_bottom_up(*NamedTimerFactory::instance().getActiveRootTimer());
-		it != end_timer_tree_bottom_up();
-		++it)
-	{
-		NamedTimer* timerp = (*it);
-		timerp->mTotalTimeCounter = timerp->getFrameState().mSelfTimeCounter;
-		for (child_const_iter child_it = timerp->beginChildren(); child_it != timerp->endChildren(); ++child_it)
-		{
-			timerp->mTotalTimeCounter += (*child_it)->mTotalTimeCounter;
-		}
-
-		S32 cur_frame = sCurFrameIndex;
-		if (cur_frame >= 0)
-		{
-			// update timer history
-			int hidx = cur_frame % HISTORY_NUM;
-
-			timerp->mCountHistory[hidx] = timerp->mTotalTimeCounter;
-			timerp->mCountAverage = ((U64)timerp->mCountAverage * cur_frame + timerp->mTotalTimeCounter) / (cur_frame+1);
-			timerp->mCallHistory[hidx] = timerp->getFrameState().mCalls;
-			timerp->mCallAverage = ((U64)timerp->mCallAverage * cur_frame + timerp->getFrameState().mCalls) / (cur_frame+1);
-		}
-	}
-}
-
-// static
-void LLFastTimer::NamedTimer::resetFrame()
-{
-	if (sLog)
-	{ //output current frame counts to performance log
-
-		static S32 call_count = 0;
-		if (call_count % 100 == 0)
-		{
-			llinfos << "countsPerSecond (32 bit): " << countsPerSecond() << llendl;
-			llinfos << "get_clock_count (64 bit): " << get_clock_count() << llendl;
-			llinfos << "LLProcessorInfo().getCPUFrequency() " << LLProcessorInfo().getCPUFrequency() << llendl;
-			llinfos << "getCPUClockCount32() " << getCPUClockCount32() << llendl;
-			llinfos << "getCPUClockCount64() " << getCPUClockCount64() << llendl;
-			llinfos << "elapsed sec " << ((F64)getCPUClockCount64())/((F64)LLProcessorInfo().getCPUFrequency()*1000000.0) << llendl;
-		}
-		call_count++;
-
-		F64 iclock_freq = 1000.0 / countsPerSecond(); // good place to calculate clock frequency
-
-		F64 total_time = 0;
-		LLSD sd;
-
-		{
-			for (instance_iter it = beginInstances(); it != endInstances(); ++it)
-			{
-				NamedTimer& timer = *it;
-				FrameState& info = timer.getFrameState();
-				sd[timer.getName()]["Time"] = (LLSD::Real) (info.mSelfTimeCounter*iclock_freq);	
-				sd[timer.getName()]["Calls"] = (LLSD::Integer) info.mCalls;
-				
-				// computing total time here because getting the root timer's getCountHistory
-				// doesn't work correctly on the first frame
-				total_time = total_time + info.mSelfTimeCounter * iclock_freq;
-			}
-		}
-
-		sd["Total"]["Time"] = (LLSD::Real) total_time;
-		sd["Total"]["Calls"] = (LLSD::Integer) 1;
-
-		{		
-			LLMutexLock lock(sLogLock);
-			sLogQueue.push(sd);
-		}
-	}
-
-
-	// tag timers by position in depth first traversal of tree
-	S32 index = 0;
-	for(timer_tree_dfs_iterator_t it = begin_timer_tree(*NamedTimerFactory::instance().getRootTimer());
-		it != end_timer_tree();
-		++it)
-	{
-		NamedTimer* timerp = (*it);
-		
-		timerp->mFrameStateIndex = index;
-		index++;
-
-		llassert_always(timerp->mFrameStateIndex < (S32)getFrameStateList().size());
-	}
-
-	// sort timers by DFS traversal order to improve cache coherency
-	std::sort(getFrameStateList().begin(), getFrameStateList().end(), SortTimersDFS());
-
-	// update pointers into framestatelist now that we've sorted it
-	DeclareTimer::updateCachedPointers();
-
-	// reset for next frame
-	{
-		for (instance_iter it = beginInstances(); it != endInstances(); ++it)
-		{
-			NamedTimer& timer = *it;
-			
-			FrameState& info = timer.getFrameState();
-			info.mSelfTimeCounter = 0;
-			info.mCalls = 0;
-			info.mLastCaller = NULL;
-			info.mMoveUpTree = false;
-			// update parent pointer in timer state struct
-			if (timer.mParent)
-			{
-				info.mParent = &timer.mParent->getFrameState();
-			}
-		}
-	}
-
-	//sTimerCycles = 0;
-	//sTimerCalls = 0;
-}
-
-//static
-void LLFastTimer::NamedTimer::reset()
-{
-	resetFrame(); // reset frame data
-
-	// walk up stack of active timers and reset start times to current time
-	// effectively zeroing out any accumulated time
-	U32 cur_time = getCPUClockCount32();
-
-	// root defined by parent pointing to self
-	CurTimerData* cur_data = &sCurTimerData;
-	LLFastTimer* cur_timer = cur_data->mCurTimer;
-	while(cur_timer->mLastTimerData.mCurTimer != cur_timer)
-	{
-		cur_timer->mStartTime = cur_time;
-		cur_data->mChildTime = 0;
-
-		cur_data = &cur_timer->mLastTimerData;
-		cur_timer = cur_data->mCurTimer;
-	}
-
-	// reset all history
-	{
-		for (instance_iter it = beginInstances(); it != endInstances(); ++it)
-		{
-			NamedTimer& timer = *it;
-			if (&timer != NamedTimerFactory::instance().getRootTimer()) 
-			{
-				timer.setParent(NamedTimerFactory::instance().getRootTimer());
-			}
-			
-			timer.mCountAverage = 0;
-			timer.mCallAverage = 0;
-			memset(timer.mCountHistory, 0, sizeof(U32) * HISTORY_NUM);
-			memset(timer.mCallHistory, 0, sizeof(U32) * HISTORY_NUM);
-		}
-	}
-
-	sLastFrameIndex = 0;
-	sCurFrameIndex = 0;
-}
-
-//static 
-LLFastTimer::info_list_t& LLFastTimer::getFrameStateList() 
-{ 
-	if (!sTimerInfos) 
-	{ 
-		sTimerInfos = new info_list_t(); 
-	} 
-	return *sTimerInfos; 
-}
-
-
-U32 LLFastTimer::NamedTimer::getHistoricalCount(S32 history_index) const
-{
-	S32 history_idx = (getLastFrameIndex() + history_index) % LLFastTimer::NamedTimer::HISTORY_NUM;
-	return mCountHistory[history_idx];
-}
-
-U32 LLFastTimer::NamedTimer::getHistoricalCalls(S32 history_index ) const
-{
-	S32 history_idx = (getLastFrameIndex() + history_index) % LLFastTimer::NamedTimer::HISTORY_NUM;
-	return mCallHistory[history_idx];
-}
-
-LLFastTimer::FrameState& LLFastTimer::NamedTimer::getFrameState() const
-{
-	llassert_always(mFrameStateIndex >= 0);
-	if (this == NamedTimerFactory::instance().getActiveRootTimer()) 
-	{
-		return NamedTimerFactory::instance().getRootFrameState();
-	}
-	return getFrameStateList()[mFrameStateIndex];
-}
-
-// static
-LLFastTimer::NamedTimer& LLFastTimer::NamedTimer::getRootNamedTimer()
-{ 
-	return *NamedTimerFactory::instance().getActiveRootTimer(); 
-}
-
-std::vector<LLFastTimer::NamedTimer*>::const_iterator LLFastTimer::NamedTimer::beginChildren()
-{ 
-	return mChildren.begin(); 
-}
-
-std::vector<LLFastTimer::NamedTimer*>::const_iterator LLFastTimer::NamedTimer::endChildren()
-{
-	return mChildren.end();
-}
-
-std::vector<LLFastTimer::NamedTimer*>& LLFastTimer::NamedTimer::getChildren()
-{
-	return mChildren;
-}
-
-//static
-void LLFastTimer::nextFrame()
-{
-	countsPerSecond(); // good place to calculate clock frequency
-	U64 frame_time = getCPUClockCount64();
-	if ((frame_time - sLastFrameTime) >> 8 > 0xffffffff)
-	{
-		llinfos << "Slow frame, fast timers inaccurate" << llendl;
-	}
-
-	if (!sPauseHistory)
-	{
-		NamedTimer::processTimes();
-		sLastFrameIndex = sCurFrameIndex++;
-	}
-	
-	// get ready for next frame
-	NamedTimer::resetFrame();
-	sLastFrameTime = frame_time;
-}
-
-//static
-void LLFastTimer::dumpCurTimes()
-{
-	// accumulate timings, etc.
-	NamedTimer::processTimes();
-	
-	F64 clock_freq = (F64)countsPerSecond();
-	F64 iclock_freq = 1000.0 / clock_freq; // clock_ticks -> milliseconds
-
-	// walk over timers in depth order and output timings
-	for(timer_tree_dfs_iterator_t it = begin_timer_tree(*NamedTimerFactory::instance().getRootTimer());
-		it != end_timer_tree();
-		++it)
-	{
-		NamedTimer* timerp = (*it);
-		F64 total_time_ms = ((F64)timerp->getHistoricalCount(0) * iclock_freq);
-		// Don't bother with really brief times, keep output concise
-		if (total_time_ms < 0.1) continue;
-
-		std::ostringstream out_str;
-		for (S32 i = 0; i < timerp->getDepth(); i++)
-		{
-			out_str << "\t";
-		}
-
-
-		out_str << timerp->getName() << " " 
-			<< std::setprecision(3) << total_time_ms << " ms, "
-			<< timerp->getHistoricalCalls(0) << " calls";
-
-		llinfos << out_str.str() << llendl;
-	}
-}
-
-//static 
-void LLFastTimer::reset()
-{
-	NamedTimer::reset();
-}
-
-
-//static
-void LLFastTimer::writeLog(std::ostream& os)
-{
-	while (!sLogQueue.empty())
-	{
-		LLSD& sd = sLogQueue.front();
-		LLSDSerialize::toXML(sd, os);
-		LLMutexLock lock(sLogLock);
-		sLogQueue.pop();
-	}
-}
-
-//static
-const LLFastTimer::NamedTimer* LLFastTimer::getTimerByName(const std::string& name)
-{
-	return NamedTimerFactory::instance().getTimerByName(name);
-}
-
-LLFastTimer::LLFastTimer(LLFastTimer::FrameState* state)
-:	mFrameState(state)
-{
-	U32 start_time = getCPUClockCount32();
-	mStartTime = start_time;
-	mFrameState->mActiveCount++;
-	LLFastTimer::sCurTimerData.mCurTimer = this;
-	LLFastTimer::sCurTimerData.mFrameState = mFrameState;
-	LLFastTimer::sCurTimerData.mChildTime = 0;
-	mLastTimerData = LLFastTimer::sCurTimerData;
-}
-
-
-//////////////////////////////////////////////////////////////////////////////
-//
-// Important note: These implementations must be FAST!
-//
-
-
-#if LL_WINDOWS
-//
-// Windows implementation of CPU clock
-//
-
-//
-// NOTE: put back in when we aren't using platform sdk anymore
-//
-// because MS has different signatures for these functions in winnt.h
-// need to rename them to avoid conflicts
-//#define _interlockedbittestandset _renamed_interlockedbittestandset
-//#define _interlockedbittestandreset _renamed_interlockedbittestandreset
-//#include <intrin.h>
-//#undef _interlockedbittestandset
-//#undef _interlockedbittestandreset
-
-//inline U32 LLFastTimer::getCPUClockCount32()
-//{
-//	U64 time_stamp = __rdtsc();
-//	return (U32)(time_stamp >> 8);
-//}
-//
-//// return full timer value, *not* shifted by 8 bits
-//inline U64 LLFastTimer::getCPUClockCount64()
-//{
-//	return __rdtsc();
-//}
-
-// shift off lower 8 bits for lower resolution but longer term timing
-// on 1Ghz machine, a 32-bit word will hold ~1000 seconds of timing
-#if USE_RDTSC
-U32 LLFastTimer::getCPUClockCount32()
-{
-	U32 ret_val;
-	__asm
-	{
-        _emit   0x0f
-        _emit   0x31
-		shr eax,8
-		shl edx,24
-		or eax, edx
-		mov dword ptr [ret_val], eax
-	}
-    return ret_val;
-}
-
-// return full timer value, *not* shifted by 8 bits
-U64 LLFastTimer::getCPUClockCount64()
-{
-	U64 ret_val;
-	__asm
-	{
-        _emit   0x0f
-        _emit   0x31
-		mov eax,eax
-		mov edx,edx
-		mov dword ptr [ret_val+4], edx
-		mov dword ptr [ret_val], eax
-	}
-    return ret_val;
-}
-
-std::string LLFastTimer::sClockType = "rdtsc";
-
-#else
-//LL_COMMON_API U64 get_clock_count(); // in lltimer.cpp
-// These use QueryPerformanceCounter, which is arguably fine and also works on AMD architectures.
-U32 LLFastTimer::getCPUClockCount32()
-{
-	return (U32)(get_clock_count()>>8);
-}
-
-U64 LLFastTimer::getCPUClockCount64()
-{
-	return get_clock_count();
-}
-
-std::string LLFastTimer::sClockType = "QueryPerformanceCounter";
-#endif
-
-#endif
-
-
-#if (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
-//
-// Linux and Solaris implementation of CPU clock - non-x86.
-// This is accurate but SLOW!  Only use out of desperation.
-//
-// Try to use the MONOTONIC clock if available, this is a constant time counter
-// with nanosecond resolution (but not necessarily accuracy) and attempts are
-// made to synchronize this value between cores at kernel start. It should not
-// be affected by CPU frequency. If not available use the REALTIME clock, but
-// this may be affected by NTP adjustments or other user activity affecting
-// the system time.
-U64 LLFastTimer::getCPUClockCount64()
-{
-	struct timespec tp;
-	
-#ifdef CLOCK_MONOTONIC // MONOTONIC supported at build-time?
-	if (-1 == clock_gettime(CLOCK_MONOTONIC,&tp)) // if MONOTONIC isn't supported at runtime then ouch, try REALTIME
-#endif
-		clock_gettime(CLOCK_REALTIME,&tp);
-
-	return (tp.tv_sec*LLFastTimer::sClockResolution)+tp.tv_nsec;        
-}
-
-U32 LLFastTimer::getCPUClockCount32()
-{
-	return (U32)(LLFastTimer::getCPUClockCount64() >> 8);
-}
-
-std::string LLFastTimer::sClockType = "clock_gettime";
-
-#endif // (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
-
-
-#if (LL_LINUX || LL_SOLARIS || LL_DARWIN) && (defined(__i386__) || defined(__amd64__))
-//
-// Mac+Linux+Solaris FAST x86 implementation of CPU clock
-U32 LLFastTimer::getCPUClockCount32()
-{
-	U64 x;
-	__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
-	return (U32)(x >> 8);
-}
-
-U64 LLFastTimer::getCPUClockCount64()
-{
-	U64 x;
-	__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
-	return x;
-}
-
-std::string LLFastTimer::sClockType = "rdtsc";
-#endif
-
diff --git a/indra/llcommon/llfasttimer_class.h b/indra/llcommon/llfasttimer_class.h
deleted file mode 100644
index f481e968a6..0000000000
--- a/indra/llcommon/llfasttimer_class.h
+++ /dev/null
@@ -1,276 +0,0 @@
-/**
- * @file llfasttimer_class.h
- * @brief Declaration of a fast timer.
- *
- * $LicenseInfo:firstyear=2004&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_FASTTIMER_CLASS_H
-#define LL_FASTTIMER_CLASS_H
-
-#include "llinstancetracker.h"
-
-#define FAST_TIMER_ON 1
-#define TIME_FAST_TIMERS 0
-#define DEBUG_FAST_TIMER_THREADS 1
-
-class LLMutex;
-
-#include <queue>
-#include "llsd.h"
-
-LL_COMMON_API void assert_main_thread();
-
-class LL_COMMON_API LLFastTimer
-{
-public:
-	class NamedTimer;
-
-	struct LL_COMMON_API FrameState
-	{
-		FrameState(NamedTimer* timerp);
-
-		U32 				mSelfTimeCounter;
-		U32 				mCalls;
-		FrameState*			mParent;		// info for caller timer
-		FrameState*			mLastCaller;	// used to bootstrap tree construction
-		NamedTimer*			mTimer;
-		U16					mActiveCount;	// number of timers with this ID active on stack
-		bool				mMoveUpTree;	// needs to be moved up the tree of timers at the end of frame
-	};
-
-	// stores a "named" timer instance to be reused via multiple LLFastTimer stack instances
-	class LL_COMMON_API NamedTimer
-	:	public LLInstanceTracker<NamedTimer>
-	{
-		friend class DeclareTimer;
-	public:
-		~NamedTimer();
-
-		enum { HISTORY_NUM = 300 };
-
-		const std::string& getName() const { return mName; }
-		NamedTimer* getParent() const { return mParent; }
-		void setParent(NamedTimer* parent);
-		S32 getDepth();
-		std::string getToolTip(S32 history_index = -1);
-
-		typedef std::vector<NamedTimer*>::const_iterator child_const_iter;
-		child_const_iter beginChildren();
-		child_const_iter endChildren();
-		std::vector<NamedTimer*>& getChildren();
-
-		void setCollapsed(bool collapsed) { mCollapsed = collapsed; }
-		bool getCollapsed() const { return mCollapsed; }
-
-		U32 getCountAverage() const { return mCountAverage; }
-		U32 getCallAverage() const { return mCallAverage; }
-
-		U32 getHistoricalCount(S32 history_index = 0) const;
-		U32 getHistoricalCalls(S32 history_index = 0) const;
-
-		static NamedTimer& getRootNamedTimer();
-
-		S32 getFrameStateIndex() const { return mFrameStateIndex; }
-
-		FrameState& getFrameState() const;
-
-	private:
-		friend class LLFastTimer;
-		friend class NamedTimerFactory;
-
-		//
-		// methods
-		//
-		NamedTimer(const std::string& name);
-		// recursive call to gather total time from children
-		static void accumulateTimings();
-
-		// updates cumulative times and hierarchy,
-		// can be called multiple times in a frame, at any point
-		static void processTimes();
-
-		static void buildHierarchy();
-		static void resetFrame();
-		static void reset();
-
-		//
-		// members
-		//
-		S32			mFrameStateIndex;
-
-		std::string	mName;
-
-		U32 		mTotalTimeCounter;
-
-		U32 		mCountAverage;
-		U32			mCallAverage;
-
-		U32*		mCountHistory;
-		U32*		mCallHistory;
-
-		// tree structure
-		NamedTimer*					mParent;				// NamedTimer of caller(parent)
-		std::vector<NamedTimer*>	mChildren;
-		bool						mCollapsed;				// don't show children
-		bool						mNeedsSorting;			// sort children whenever child added
-	};
-
-	// used to statically declare a new named timer
-	class LL_COMMON_API DeclareTimer
-	:	public LLInstanceTracker<DeclareTimer>
-	{
-		friend class LLFastTimer;
-	public:
-		DeclareTimer(const std::string& name, bool open);
-		DeclareTimer(const std::string& name);
-
-		static void updateCachedPointers();
-
-	private:
-		NamedTimer&		mTimer;
-		FrameState*		mFrameState;
-	};
-
-public:
-	LLFastTimer(LLFastTimer::FrameState* state);
-
-	LL_FORCE_INLINE LLFastTimer(LLFastTimer::DeclareTimer& timer)
-	:	mFrameState(timer.mFrameState)
-	{
-#if TIME_FAST_TIMERS
-		U64 timer_start = getCPUClockCount64();
-#endif
-#if FAST_TIMER_ON
-		LLFastTimer::FrameState* frame_state = mFrameState;
-		mStartTime = getCPUClockCount32();
-
-		frame_state->mActiveCount++;
-		frame_state->mCalls++;
-		// keep current parent as long as it is active when we are
-		frame_state->mMoveUpTree |= (frame_state->mParent->mActiveCount == 0);
-
-		LLFastTimer::CurTimerData* cur_timer_data = &LLFastTimer::sCurTimerData;
-		mLastTimerData = *cur_timer_data;
-		cur_timer_data->mCurTimer = this;
-		cur_timer_data->mFrameState = frame_state;
-		cur_timer_data->mChildTime = 0;
-#endif
-#if TIME_FAST_TIMERS
-		U64 timer_end = getCPUClockCount64();
-		sTimerCycles += timer_end - timer_start;
-#endif
-#if DEBUG_FAST_TIMER_THREADS
-#if !LL_RELEASE
-		assert_main_thread();
-#endif
-#endif
-	}
-
-	LL_FORCE_INLINE ~LLFastTimer()
-	{
-#if TIME_FAST_TIMERS
-		U64 timer_start = getCPUClockCount64();
-#endif
-#if FAST_TIMER_ON
-		LLFastTimer::FrameState* frame_state = mFrameState;
-		U32 total_time = getCPUClockCount32() - mStartTime;
-
-		frame_state->mSelfTimeCounter += total_time - LLFastTimer::sCurTimerData.mChildTime;
-		frame_state->mActiveCount--;
-
-		// store last caller to bootstrap tree creation
-		// do this in the destructor in case of recursion to get topmost caller
-		frame_state->mLastCaller = mLastTimerData.mFrameState;
-
-		// we are only tracking self time, so subtract our total time delta from parents
-		mLastTimerData.mChildTime += total_time;
-
-		LLFastTimer::sCurTimerData = mLastTimerData;
-#endif
-#if TIME_FAST_TIMERS
-		U64 timer_end = getCPUClockCount64();
-		sTimerCycles += timer_end - timer_start;
-		sTimerCalls++;
-#endif
-	}
-
-public:
-	static LLMutex*			sLogLock;
-	static std::queue<LLSD> sLogQueue;
-	static BOOL				sLog;
-	static BOOL				sMetricLog;
-	static std::string		sLogName;
-	static bool 			sPauseHistory;
-	static bool 			sResetHistory;
-	static U64				sTimerCycles;
-	static U32				sTimerCalls;
-
-	typedef std::vector<FrameState> info_list_t;
-	static info_list_t& getFrameStateList();
-
-
-	// call this once a frame to reset timers
-	static void nextFrame();
-
-	// dumps current cumulative frame stats to log
-	// call nextFrame() to reset timers
-	static void dumpCurTimes();
-
-	// call this to reset timer hierarchy, averages, etc.
-	static void reset();
-
-	static U64 countsPerSecond();
-	static S32 getLastFrameIndex() { return sLastFrameIndex; }
-	static S32 getCurFrameIndex() { return sCurFrameIndex; }
-
-	static void writeLog(std::ostream& os);
-	static const NamedTimer* getTimerByName(const std::string& name);
-
-	struct CurTimerData
-	{
-		LLFastTimer*	mCurTimer;
-		FrameState*		mFrameState;
-		U32				mChildTime;
-	};
-	static CurTimerData		sCurTimerData;
-	static std::string sClockType;
-
-private:
-	static U32 getCPUClockCount32();
-	static U64 getCPUClockCount64();
-	static U64 sClockResolution;
-
-	static S32				sCurFrameIndex;
-	static S32				sLastFrameIndex;
-	static U64				sLastFrameTime;
-	static info_list_t*		sTimerInfos;
-
-	U32							mStartTime;
-	LLFastTimer::FrameState*	mFrameState;
-	LLFastTimer::CurTimerData	mLastTimerData;
-
-};
-
-typedef class LLFastTimer LLFastTimer;
-
-#endif // LL_LLFASTTIMER_CLASS_H
diff --git a/indra/llcommon/llfile.cpp b/indra/llcommon/llfile.cpp
index c51d042a3d..5917d7a420 100644
--- a/indra/llcommon/llfile.cpp
+++ b/indra/llcommon/llfile.cpp
@@ -28,7 +28,7 @@
  */
 
 #if LL_WINDOWS
-#include <windows.h>
+#include "llwin32headerslean.h"
 #include <stdlib.h>                 // Windows errno
 #else
 #include <errno.h>
diff --git a/indra/llcommon/llfindlocale.cpp b/indra/llcommon/llfindlocale.cpp
index cd7c0c7c09..f019bd0c64 100644
--- a/indra/llcommon/llfindlocale.cpp
+++ b/indra/llcommon/llfindlocale.cpp
@@ -33,7 +33,7 @@
 #include <ctype.h>
 
 #ifdef WIN32
-#include <windows.h>
+#include "llwin32headers.h"
 #include <winnt.h>
 #endif
 
diff --git a/indra/llcommon/llinitparam.cpp b/indra/llcommon/llinitparam.cpp
index db72aa19b9..d72e10d2fa 100644
--- a/indra/llcommon/llinitparam.cpp
+++ b/indra/llcommon/llinitparam.cpp
@@ -28,10 +28,17 @@
 #include "linden_common.h"
 
 #include "llinitparam.h"
+#include "llformat.h"
 
 
 namespace LLInitParam
 {
+
+	predicate_rule_t default_parse_rules() 
+	{ 
+		return ll_make_predicate(PROVIDED) && !ll_make_predicate(EMPTY);
+	}
+
 	//
 	// Param
 	//
@@ -164,6 +171,9 @@ namespace LLInitParam
 
 	bool BaseBlock::validateBlock(bool emit_errors) const
 	{
+		// only validate block when it hasn't already passed validation with current data
+		if (!mValidated)
+		{
 		const BlockDescriptor& block_data = mostDerivedBlockDescriptor();
 		for (BlockDescriptor::param_validation_list_t::const_iterator it = block_data.mValidationList.begin(); it != block_data.mValidationList.end(); ++it)
 		{
@@ -177,11 +187,18 @@ namespace LLInitParam
 				return false;
 			}
 		}
-		return true;
+			mValidated = true;
+		}
+		return mValidated;
 	}
 
-	void BaseBlock::serializeBlock(Parser& parser, Parser::name_stack_t& name_stack, const LLInitParam::BaseBlock* diff_block) const
+	bool BaseBlock::serializeBlock(Parser& parser, Parser::name_stack_t& name_stack, const predicate_rule_t predicate_rule, const LLInitParam::BaseBlock* diff_block) const
 	{
+		bool serialized = false;
+		if (!predicate_rule.check(ll_make_predicate(PROVIDED, isProvided())))
+		{
+			return false;
+		}
 		// named param is one like LLView::Params::follows
 		// unnamed param is like LLView::Params::rect - implicit
 		const BlockDescriptor& block_data = mostDerivedBlockDescriptor();
@@ -193,15 +210,10 @@ namespace LLInitParam
 			param_handle_t param_handle = (*it)->mParamHandle;
 			const Param* param = getParamFromHandle(param_handle);
 			ParamDescriptor::serialize_func_t serialize_func = (*it)->mSerializeFunc;
-			if (serialize_func)
+			if (serialize_func && predicate_rule.check(ll_make_predicate(PROVIDED, param->anyProvided())))
 			{
 				const Param* diff_param = diff_block ? diff_block->getParamFromHandle(param_handle) : NULL;
-				// each param descriptor remembers its serial number
-				// so we can inspect the same param under different names
-				// and see that it has the same number
-				name_stack.push_back(std::make_pair("", true));
-				serialize_func(*param, parser, name_stack, diff_param);
-				name_stack.pop_back();
+				serialized |= serialize_func(*param, parser, name_stack, predicate_rule, diff_param);
 			}
 		}
 
@@ -212,7 +224,7 @@ namespace LLInitParam
 			param_handle_t param_handle = it->second->mParamHandle;
 			const Param* param = getParamFromHandle(param_handle);
 			ParamDescriptor::serialize_func_t serialize_func = it->second->mSerializeFunc;
-			if (serialize_func && param->anyProvided())
+			if (serialize_func && predicate_rule.check(ll_make_predicate(PROVIDED, param->anyProvided())))
 			{
 				// Ensure this param has not already been serialized
 				// Prevents <rect> from being serialized as its own tag.
@@ -237,10 +249,17 @@ namespace LLInitParam
 
 				name_stack.push_back(std::make_pair(it->first, !duplicate));
 				const Param* diff_param = diff_block ? diff_block->getParamFromHandle(param_handle) : NULL;
-				serialize_func(*param, parser, name_stack, diff_param);
+				serialized |= serialize_func(*param, parser, name_stack, predicate_rule, diff_param);
 				name_stack.pop_back();
 			}
 		}
+
+		if (!serialized && predicate_rule.check(ll_make_predicate(EMPTY)))
+		{
+			serialized |= parser.writeValue(Flag(), name_stack);
+		}
+		// was anything serialized in this block?
+		return serialized;
 	}
 
 	bool BaseBlock::inspectBlock(Parser& parser, Parser::name_stack_t name_stack, S32 min_count, S32 max_count) const
@@ -359,7 +378,7 @@ namespace LLInitParam
 	}
 
 	//static 
-	void BaseBlock::addParam(BlockDescriptor& block_data, const ParamDescriptorPtr in_param, const char* char_name)
+	void BaseBlock::addParam(BlockDescriptor& block_data, ParamDescriptorPtr in_param, const char* char_name)
 	{
 		// create a copy of the param descriptor in mAllParams
 		// so other data structures can store a pointer to it
diff --git a/indra/llcommon/llinitparam.h b/indra/llcommon/llinitparam.h
index 9a6d1eff5c..502f93cbb8 100644
--- a/indra/llcommon/llinitparam.h
+++ b/indra/llcommon/llinitparam.h
@@ -29,13 +29,14 @@
 #define LL_LLPARAM_H
 
 #include <vector>
+#include <list>
 #include <boost/function.hpp>
 #include <boost/type_traits/is_convertible.hpp>
 #include <boost/unordered_map.hpp>
-#include <boost/shared_ptr.hpp>
 
 #include "llerror.h"
 #include "llstl.h"
+#include "llpredicate.h"
 
 namespace LLInitParam
 {
@@ -211,7 +212,6 @@ namespace LLInitParam
 		LOG_CLASS(Parser);
 
 	public:
-		
 		typedef std::vector<std::pair<std::string, bool> >					name_stack_t;
 		typedef std::pair<name_stack_t::iterator, name_stack_t::iterator>	name_stack_range_t;
 		typedef std::vector<std::string>									possible_values_t;
@@ -293,6 +293,19 @@ namespace LLInitParam
 
 	class Param;
 
+	enum ESerializePredicates
+	{
+		PROVIDED,
+		REQUIRED,
+		VALID,
+		HAS_DEFAULT_VALUE,
+		EMPTY
+	};
+
+	typedef LLPredicate::Rule<ESerializePredicates> predicate_rule_t;
+
+	predicate_rule_t default_parse_rules();
+
 	// various callbacks and constraints associated with an individual param
 	struct LL_COMMON_API ParamDescriptor
 	{
@@ -303,8 +316,8 @@ namespace LLInitParam
 
 		typedef bool(*merge_func_t)(Param&, const Param&, bool);
 		typedef bool(*deserialize_func_t)(Param&, Parser&, const Parser::name_stack_range_t&, bool);
-		typedef void(*serialize_func_t)(const Param&, Parser&, Parser::name_stack_t&, const Param* diff_param);
-		typedef void(*inspect_func_t)(const Param&, Parser&, Parser::name_stack_t&, S32 min_count, S32 max_count);
+		typedef bool(*serialize_func_t)(const Param&, Parser&, Parser::name_stack_t&, const predicate_rule_t, const Param*);
+		typedef void(*inspect_func_t)(const Param&, Parser&, Parser::name_stack_t&, S32, S32);
 		typedef bool(*validation_func_t)(const Param*);
 
 		ParamDescriptor(param_handle_t p, 
@@ -331,7 +344,7 @@ namespace LLInitParam
 		UserData*			mUserData;
 	};
 
-	typedef boost::shared_ptr<ParamDescriptor> ParamDescriptorPtr;
+	typedef ParamDescriptor* ParamDescriptorPtr;
 
 	// each derived Block class keeps a static data structure maintaining offsets to various params
 	class LL_COMMON_API BlockDescriptor
@@ -484,12 +497,28 @@ namespace LLInitParam
 		LOG_CLASS(BaseBlock);
 		friend class Param;
 
+		BaseBlock()
+		:	mValidated(false),
+			mParamProvided(false)
+		{}
+
 		virtual ~BaseBlock() {}
 		bool submitValue(Parser::name_stack_t& name_stack, Parser& p, bool silent=false);
 
 		param_handle_t getHandleFromParam(const Param* param) const;
 		bool validateBlock(bool emit_errors = true) const;
 
+		bool isProvided() const
+		{
+			return mParamProvided;
+		}
+
+		bool isValid() const
+		{
+			return validateBlock(false);
+		}
+
+
 		Param* getParamFromHandle(const param_handle_t param_handle)
 		{
 			if (param_handle == 0) return NULL;
@@ -507,10 +536,19 @@ namespace LLInitParam
 		void addSynonym(Param& param, const std::string& synonym);
 
 		// Blocks can override this to do custom tracking of changes
-		virtual void paramChanged(const Param& changed_param, bool user_provided) {}
+		virtual void paramChanged(const Param& changed_param, bool user_provided) 
+		{
+			if (user_provided)
+			{
+				// a child param has been explicitly changed
+				// so *some* aspect of this block is now provided
+				mValidated = false;
+				mParamProvided = true;
+			}
+		}
 
 		bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name);
-		void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const;
+		bool serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const predicate_rule_t rule, const BaseBlock* diff_block = NULL) const;
 		bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const;
 
 		virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return selfBlockDescriptor(); }
@@ -549,6 +587,9 @@ namespace LLInitParam
 			return sBlockDescriptor;
 		}
 
+		mutable bool 	mValidated; // lazy validation flag
+		bool			mParamProvided;
+
 	private:
 		const std::string& getParamName(const BlockDescriptor& block_data, const Param* paramp) const;
 	};
@@ -688,13 +729,11 @@ namespace LLInitParam
 		typedef ParamValue<T, NAME_VALUE_LOOKUP, true>	self_t;
 
 		ParamValue() 
-		:	T(),
-			mValidated(false)
+		:	T()
 		{}
 
 		ParamValue(value_assignment_t other)
-		:	T(other),
-			mValidated(false)
+		:	T(other)
 		{}
 
 		void setValue(value_assignment_t val)
@@ -736,9 +775,6 @@ namespace LLInitParam
 
 			return *this;
 		}
-
-	protected:
-		mutable bool 	mValidated; // lazy validation flag
 	};
 
 	template<typename NAME_VALUE_LOOKUP>
@@ -836,6 +872,8 @@ namespace LLInitParam
 
 		bool isProvided() const { return Param::anyProvided(); }
 
+		bool isValid() const { return true; }
+
 		static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name)
 		{ 
 			self_t& typed_param = static_cast<self_t&>(param);
@@ -870,10 +908,23 @@ namespace LLInitParam
 			return false;
 		}
 
-		static void serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const Param* diff_param)
+		static bool serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const predicate_rule_t predicate_rule, const Param* diff_param)
 		{
+			bool serialized = false;
 			const self_t& typed_param = static_cast<const self_t&>(param);
-			if (!typed_param.isProvided()) return;
+			const self_t* diff_typed_param = static_cast<const self_t*>(diff_param);
+
+			LLPredicate::Value<ESerializePredicates> predicate;
+			if (diff_typed_param && ParamCompare<T>::equals(typed_param.getValue(), diff_typed_param->getValue()))
+			{
+				predicate.set(HAS_DEFAULT_VALUE);
+			}
+
+			predicate.set(VALID, typed_param.isValid());
+			predicate.set(PROVIDED, typed_param.anyProvided());
+			predicate.set(EMPTY, false);
+
+			if (!predicate_rule.check(predicate)) return false;
 
 			if (!name_stack.empty())
 			{
@@ -886,23 +937,25 @@ namespace LLInitParam
 
 			if (!key.empty())
 			{
-				if (!diff_param || !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->getValueName(), key))
+				if (!diff_typed_param || !ParamCompare<std::string>::equals(diff_typed_param->getValueName(), key))
 				{
-					parser.writeValue(key, name_stack);
+					serialized = parser.writeValue(key, name_stack);
 				}
 			}
 			// then try to serialize value directly
-			else if (!diff_param || !ParamCompare<T>::equals(typed_param.getValue(), static_cast<const self_t*>(diff_param)->getValue()))
+			else if (!diff_typed_param || ParamCompare<T>::equals(typed_param.getValue(), diff_typed_param->getValue()))
 			{
-				if (!parser.writeValue(typed_param.getValue(), name_stack)) 
+				serialized = parser.writeValue(typed_param.getValue(), name_stack);
+				if (!serialized) 
 				{
 					std::string calculated_key = typed_param.calcValueName(typed_param.getValue());
-					if (!diff_param || !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->getValueName(), calculated_key))
+					if (!diff_typed_param || !ParamCompare<std::string>::equals(diff_typed_param->getValueName(), calculated_key))
 					{
-						parser.writeValue(calculated_key, name_stack);
+						serialized = parser.writeValue(calculated_key, name_stack);
 					}
 				}
 			}
+			return serialized;
 		}
 
 		static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count)
@@ -953,15 +1006,15 @@ namespace LLInitParam
 	};
 
 	// parameter that is a block
-	template <typename T, typename NAME_VALUE_LOOKUP>
-	class TypedParam<T, NAME_VALUE_LOOKUP, false, true> 
+	template <typename BLOCK_T, typename NAME_VALUE_LOOKUP>
+	class TypedParam<BLOCK_T, NAME_VALUE_LOOKUP, false, true> 
 	:	public Param,
-		public ParamValue<T, NAME_VALUE_LOOKUP>
+		public ParamValue<BLOCK_T, NAME_VALUE_LOOKUP>
 	{
 	public:
-		typedef ParamValue<T, NAME_VALUE_LOOKUP>				param_value_t;
+		typedef ParamValue<BLOCK_T, NAME_VALUE_LOOKUP>				param_value_t;
 		typedef typename param_value_t::value_assignment_t		value_assignment_t;
-		typedef TypedParam<T, NAME_VALUE_LOOKUP, false, true>	self_t;
+		typedef TypedParam<BLOCK_T, NAME_VALUE_LOOKUP, false, true>	self_t;
 		typedef NAME_VALUE_LOOKUP								name_value_lookup_t;
 
 		using param_value_t::operator();
@@ -1014,10 +1067,16 @@ namespace LLInitParam
 			return false;
 		}
 
-		static void serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const Param* diff_param)
+		static bool serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const predicate_rule_t predicate_rule, const Param* diff_param)
 		{
 			const self_t& typed_param = static_cast<const self_t&>(param);
-			if (!typed_param.isProvided()) return;
+
+			LLPredicate::Value<ESerializePredicates> predicate;
+
+			predicate.set(VALID, typed_param.isValid());
+			predicate.set(PROVIDED, typed_param.anyProvided());
+
+			if (!predicate_rule.check(predicate)) return false;
 
 			if (!name_stack.empty())
 			{
@@ -1027,15 +1086,17 @@ namespace LLInitParam
 			std::string key = typed_param.getValueName();
 			if (!key.empty())
 			{
-				if (!parser.writeValue(key, name_stack))
+				if (parser.writeValue(key, name_stack))
 				{
-					return;
+					return true;
 				}
 			}
 			else
 			{
-				typed_param.serializeBlock(parser, name_stack, static_cast<const self_t*>(diff_param));
+				return typed_param.serializeBlock(parser, name_stack, predicate_rule, static_cast<const self_t*>(diff_param));
 			}
+			
+			return false;
 		}
 
 		static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count)
@@ -1049,23 +1110,16 @@ namespace LLInitParam
 		// *and* the block as a whole validates
 		bool isProvided() const 
 		{ 
-			// only validate block when it hasn't already passed validation with current data
-			if (Param::anyProvided() && !param_value_t::mValidated)
-			{
-				// a sub-block is "provided" when it has been filled in enough to be valid
-				param_value_t::mValidated = param_value_t::validateBlock(false);
-			}
-			return Param::anyProvided() && param_value_t::mValidated;
+			return Param::anyProvided() && isValid();
 		}
 
+		using param_value_t::isValid;
+
 		// assign block contents to this param-that-is-a-block
 		void set(value_assignment_t val, bool flag_as_provided = true)
 		{
 			setValue(val);
 			param_value_t::clearValueName();
-			// force revalidation of block
-			// next call to isProvided() will update provision status based on validity
-			param_value_t::mValidated = false;
 			setProvided(flag_as_provided);
 		}
 
@@ -1080,9 +1134,6 @@ namespace LLInitParam
 			param_value_t::paramChanged(changed_param, user_provided);
 			if (user_provided)
 			{
-				// a child param has been explicitly changed
-				// so *some* aspect of this block is now provided
-				param_value_t::mValidated = false;
 				setProvided();
 				param_value_t::clearValueName();
 			}
@@ -1120,13 +1171,13 @@ namespace LLInitParam
 	};
 
 	// container of non-block parameters
-	template <typename VALUE_TYPE, typename NAME_VALUE_LOOKUP>
-	class TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, false> 
+	template <typename MULTI_VALUE_T, typename NAME_VALUE_LOOKUP>
+	class TypedParam<MULTI_VALUE_T, NAME_VALUE_LOOKUP, true, false> 
 	:	public Param
 	{
 	public:
-		typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, false>		self_t;
-		typedef ParamValue<VALUE_TYPE, NAME_VALUE_LOOKUP>					param_value_t;
+		typedef TypedParam<MULTI_VALUE_T, NAME_VALUE_LOOKUP, true, false>		self_t;
+		typedef ParamValue<MULTI_VALUE_T, NAME_VALUE_LOOKUP>					param_value_t;
 		typedef typename std::vector<param_value_t>							container_t;
 		typedef const container_t&											value_assignment_t;
 
@@ -1134,7 +1185,9 @@ namespace LLInitParam
 		typedef NAME_VALUE_LOOKUP											name_value_lookup_t;
 		
 		TypedParam(BlockDescriptor& block_descriptor, const char* name, value_assignment_t value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) 
-		:	Param(block_descriptor.mCurrentBlockPtr)
+		:	Param(block_descriptor.mCurrentBlockPtr),
+			mMinCount(min_count),
+			mMaxCount(max_count)
 		{
 			std::copy(value.begin(), value.end(), std::back_inserter(mValues));
 
@@ -1152,14 +1205,28 @@ namespace LLInitParam
 			}
 		} 
 
-		bool isProvided() const { return Param::anyProvided(); }
+		bool isProvided() const { return Param::anyProvided() && isValid(); }
+
+		bool isValid() const 
+		{ 
+			size_t num_elements = numValidElements();
+			return mMinCount < num_elements && num_elements < mMaxCount;
+		}
 
 		static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name)
 		{ 
+			Parser::name_stack_range_t new_name_stack_range(name_stack_range);
 			self_t& typed_param = static_cast<self_t&>(param);
 			value_t value;
+
+			// pop first element if empty string
+			if (new_name_stack_range.first != new_name_stack_range.second && new_name_stack_range.first->first.empty())
+			{
+				++new_name_stack_range.first;
+			}
+
 			// no further names in stack, attempt to parse value now
-			if (name_stack_range.first == name_stack_range.second)
+			if (new_name_stack_range.first == new_name_stack_range.second)
 			{
 				// attempt to read value directly
 				if (parser.readValue(value))
@@ -1189,17 +1256,26 @@ namespace LLInitParam
 			return false;
 		}
 
-		static void serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const Param* diff_param)
+		static bool serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const predicate_rule_t predicate_rule, const Param* diff_param)
 		{
+			bool serialized = false;
 			const self_t& typed_param = static_cast<const self_t&>(param);
-			if (!typed_param.isProvided() || name_stack.empty()) return;
+			
+			LLPredicate::Value<ESerializePredicates> predicate;
+
+			predicate.set(REQUIRED, typed_param.mMinCount > 0);
+			predicate.set(VALID, typed_param.isValid());
+			predicate.set(PROVIDED, typed_param.anyProvided());
+			predicate.set(EMPTY, typed_param.mValues.empty());
+
+			if (!predicate_rule.check(predicate)) return false;
 
 			for (const_iterator it = typed_param.mValues.begin(), end_it = typed_param.mValues.end();
 				it != end_it;
 				++it)
 			{
 				std::string key = it->getValueName();
-				name_stack.back().second = true;
+				name_stack.push_back(std::make_pair(std::string(), true));
 
 				if(key.empty())
 				// not parsed via name values, write out value directly
@@ -1208,7 +1284,11 @@ namespace LLInitParam
 					if (!value_written)
 					{
 						std::string calculated_key = it->calcValueName(it->getValue());
-						if (!parser.writeValue(calculated_key, name_stack))
+						if (parser.writeValue(calculated_key, name_stack))
+						{
+							serialized = true;
+						}
+						else
 						{
 							break;
 						}
@@ -1216,17 +1296,30 @@ namespace LLInitParam
 				}
 				else 
 				{
-					if(!parser.writeValue(key, name_stack))
+					if(parser.writeValue(key, name_stack))
+					{
+						serialized = true;
+					}
+					else
 					{
 						break;
 					}
 				}
+
+				name_stack.pop_back();
+			}
+
+			if (!serialized && predicate_rule.check(ll_make_predicate(EMPTY)))
+			{
+				serialized |= parser.writeValue(Flag(), name_stack);
 			}
+
+			return serialized;
 		}
 
 		static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count)
 		{
-			parser.inspectValue<VALUE_TYPE>(name_stack, min_count, max_count, NULL);
+			parser.inspectValue<MULTI_VALUE_T>(name_stack, min_count, max_count, NULL);
 			if (name_value_lookup_t::getPossibleValues())
 			{
 				parser.inspectValue<std::string>(name_stack, min_count, max_count, name_value_lookup_t::getPossibleValues());
@@ -1283,7 +1376,7 @@ namespace LLInitParam
 		bool empty() const { return mValues.empty(); }
 		size_t size() const { return mValues.size(); }
 
-		U32 numValidElements() const
+		size_t numValidElements() const
 		{
 			return mValues.size();
 		}
@@ -1313,23 +1406,27 @@ namespace LLInitParam
 		}
 
 		container_t		mValues;
+		size_t			mMinCount,
+						mMaxCount;
 	};
 
 	// container of block parameters
-	template <typename VALUE_TYPE, typename NAME_VALUE_LOOKUP>
-	class TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, true> 
+	template <typename MULTI_BLOCK_T, typename NAME_VALUE_LOOKUP>
+	class TypedParam<MULTI_BLOCK_T, NAME_VALUE_LOOKUP, true, true> 
 	:	public Param
 	{
 	public:
-		typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, true>	self_t;
-		typedef ParamValue<VALUE_TYPE, NAME_VALUE_LOOKUP>				param_value_t;
+		typedef TypedParam<MULTI_BLOCK_T, NAME_VALUE_LOOKUP, true, true>	self_t;
+		typedef ParamValue<MULTI_BLOCK_T, NAME_VALUE_LOOKUP>				param_value_t;
 		typedef typename std::vector<param_value_t>						container_t;
 		typedef const container_t&										value_assignment_t;
 		typedef typename param_value_t::value_t							value_t;
 		typedef NAME_VALUE_LOOKUP										name_value_lookup_t;
 
 		TypedParam(BlockDescriptor& block_descriptor, const char* name, value_assignment_t value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) 
-		:	Param(block_descriptor.mCurrentBlockPtr)
+		:	Param(block_descriptor.mCurrentBlockPtr),
+			mMinCount(min_count),
+			mMaxCount(max_count)
 		{
 			std::copy(value.begin(), value.end(), back_inserter(mValues));
 
@@ -1347,14 +1444,30 @@ namespace LLInitParam
 			}
 		} 
 
-		bool isProvided() const { return Param::anyProvided(); }
+		bool isProvided() const { return Param::anyProvided() && isValid(); }
+
+		bool isValid() const 
+		{ 
+			size_t num_elements = numValidElements();
+			return mMinCount < num_elements && num_elements < mMaxCount;
+		}
+
 
 		static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) 
 		{ 
+			Parser::name_stack_range_t new_name_stack_range(name_stack_range);
 			self_t& typed_param = static_cast<self_t&>(param);
 			bool new_value = false;
+			bool new_array_value = false;
+
+			// pop first element if empty string
+			if (new_name_stack_range.first != new_name_stack_range.second && new_name_stack_range.first->first.empty())
+			{
+				new_array_value = new_name_stack_range.first->second;
+				++new_name_stack_range.first;
+			}
 
-			if (new_name || typed_param.mValues.empty())
+			if (new_name || new_array_value || typed_param.mValues.empty())
 			{
 				new_value = true;
 				typed_param.mValues.push_back(value_t());
@@ -1363,9 +1476,13 @@ namespace LLInitParam
 			param_value_t& value = typed_param.mValues.back();
 
 			// attempt to parse block...
-			if(value.deserializeBlock(parser, name_stack_range, new_name))
+			if(value.deserializeBlock(parser, new_name_stack_range, new_name))
 			{
 				typed_param.setProvided();
+				if (new_array_value)
+				{
+					name_stack_range.first->second = false;
+				}
 				return true;
 			}
 			else if(name_value_lookup_t::valueNamesExist())
@@ -1379,6 +1496,10 @@ namespace LLInitParam
 					{
 						typed_param.mValues.back().setValueName(name);
 						typed_param.setProvided();
+						if (new_array_value)
+						{
+							name_stack_range.first->second = false;
+						}
 						return true;
 					}
 
@@ -1393,29 +1514,47 @@ namespace LLInitParam
 			return false;
 		}
 
-		static void serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const Param* diff_param)
+		static bool serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const predicate_rule_t predicate_rule, const Param* diff_param)
 		{
+			bool serialized = false;
 			const self_t& typed_param = static_cast<const self_t&>(param);
-			if (!typed_param.isProvided() || name_stack.empty()) return;
+
+			LLPredicate::Value<ESerializePredicates> predicate;
+
+			predicate.set(REQUIRED, typed_param.mMinCount > 0);
+			predicate.set(VALID, typed_param.isValid());
+			predicate.set(PROVIDED, typed_param.anyProvided());
+			predicate.set(EMPTY, typed_param.mValues.empty());
+
+			if (!predicate_rule.check(predicate)) return false;
 
 			for (const_iterator it = typed_param.mValues.begin(), end_it = typed_param.mValues.end();
 				it != end_it;
 				++it)
 			{
-				name_stack.back().second = true;
+				name_stack.push_back(std::make_pair(std::string(), true));
 
 				std::string key = it->getValueName();
 				if (!key.empty())
 				{
-					parser.writeValue(key, name_stack);
+					serialized |= parser.writeValue(key, name_stack);
 				}
 				// Not parsed via named values, write out value directly
-				// NOTE: currently we don't worry about removing default values in Multiple
+				// NOTE: currently we don't do diffing of Multiples
 				else 
 				{
-					it->serializeBlock(parser, name_stack, NULL);
+					serialized = it->serializeBlock(parser, name_stack, predicate_rule, NULL);
 				}
+
+				name_stack.pop_back();
 			}
+
+			if (!serialized && predicate_rule.check(ll_make_predicate(EMPTY)))
+			{
+				serialized |= parser.writeValue(Flag(), name_stack);
+			}
+
+			return serialized;
 		}
 
 		static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count)
@@ -1471,14 +1610,14 @@ namespace LLInitParam
 		bool empty() const { return mValues.empty(); }
 		size_t size() const { return mValues.size(); }
 
-		U32 numValidElements() const
+		size_t numValidElements() const
 		{
-			U32 count = 0;
+			size_t count = 0;
 			for (const_iterator it = mValues.begin(), end_it = mValues.end();
 				it != end_it;
 				++it)
 			{
-				if(it->validateBlock(false)) count++;
+				if(it->isValid()) count++;
 			}
 			return count;
 		}
@@ -1510,6 +1649,8 @@ namespace LLInitParam
 		}
 
 		container_t			mValues;
+		size_t				mMinCount,
+							mMaxCount;
 	};
 
 	template <typename DERIVED_BLOCK, typename BASE_BLOCK = BaseBlock>
@@ -1797,7 +1938,7 @@ namespace LLInitParam
 
 			static bool validate(const Param* paramp) 
 			{
-				U32 num_valid = ((super_t*)paramp)->numValidElements();
+				size_t num_valid = ((super_t*)paramp)->numValidElements();
 				return RANGE::minCount <= num_valid && num_valid <= RANGE::maxCount;
 			}
 		};
@@ -1914,13 +2055,11 @@ namespace LLInitParam
 		typedef block_t value_t;
 
 		ParamValue()
-		:	block_t(),
-			mValidated(false)
+		:	block_t()
 		{}
 
 		ParamValue(value_assignment_t other)
-		:	block_t(other),
-			mValidated(false)
+		:	block_t(other)
 		{
 		}
 
@@ -1948,9 +2087,6 @@ namespace LLInitParam
 		{
 			return *this;
 		}
-
-	protected:
-		mutable bool 	mValidated; // lazy validation flag
 	};
 
 	template<typename T, bool IS_BLOCK>
@@ -1965,13 +2101,11 @@ namespace LLInitParam
 		typedef T value_t;
 	
 		ParamValue()
-		:	mValue(),
-			mValidated(false)
+		:	mValue()
 		{}
 
 		ParamValue(value_assignment_t other)
-		:	mValue(other),
-			mValidated(false)
+		:	mValue(other)
 		{}
 
 		void setValue(value_assignment_t val)
@@ -2004,11 +2138,11 @@ namespace LLInitParam
 			return mValue.get().deserializeBlock(p, name_stack_range, new_name);
 		}
 
-		void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const
+		bool serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const predicate_rule_t predicate_rule, const BaseBlock* diff_block = NULL) const
 		{
-			if (mValue.empty()) return;
+			if (mValue.empty()) return false;
 			
-			mValue.get().serializeBlock(p, name_stack, diff_block);
+			return mValue.get().serializeBlock(p, name_stack, predicate_rule, diff_block);
 		}
 
 		bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const
@@ -2018,9 +2152,6 @@ namespace LLInitParam
 			return mValue.get().inspectBlock(p, name_stack, min_count, max_count);
 		}
 
-	protected:
-		mutable bool 	mValidated; // lazy validation flag
-
 	private:
 		BaseBlock::Lazy<T>	mValue;
 	};
@@ -2037,12 +2168,10 @@ namespace LLInitParam
 		typedef const LLSD&	value_assignment_t;
 
 		ParamValue()
-		:	mValidated(false)
 		{}
 
 		ParamValue(value_assignment_t other)
-		:	mValue(other),
-			mValidated(false)
+		:	mValue(other)
 		{}
 
 		void setValue(value_assignment_t val) { mValue = val; }
@@ -2056,16 +2185,13 @@ namespace LLInitParam
 
 		// block param interface
 		LL_COMMON_API bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name);
-		LL_COMMON_API void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const;
+		LL_COMMON_API bool serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const predicate_rule_t predicate_rule, const BaseBlock* diff_block = NULL) const;
 		bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const
 		{
 			//TODO: implement LLSD params as schema type Any
 			return true;
 		}
 
-	protected:
-		mutable bool 	mValidated; // lazy validation flag
-
 	private:
 		static void serializeElement(Parser& p, const LLSD& sd, Parser::name_stack_t& name_stack);
 
@@ -2094,8 +2220,7 @@ namespace LLInitParam
 
 		CustomParamValue(const T& value = T())
 		:	mValue(value),
-			mValueAge(VALUE_AUTHORITATIVE),
-			mValidated(false)
+			mValueAge(VALUE_AUTHORITATIVE)
 		{}
 
 		bool deserializeBlock(Parser& parser, Parser::name_stack_range_t name_stack_range, bool new_name)
@@ -2119,7 +2244,7 @@ namespace LLInitParam
 			return typed_param.BaseBlock::deserializeBlock(parser, name_stack_range, new_name);
 		}
 
-		void serializeBlock(Parser& parser, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const
+		bool serializeBlock(Parser& parser, Parser::name_stack_t& name_stack, const predicate_rule_t predicate_rule, const BaseBlock* diff_block = NULL) const
 		{
 			const derived_t& typed_param = static_cast<const derived_t&>(*this);
 			const derived_t* diff_param = static_cast<const derived_t*>(diff_block);
@@ -2131,14 +2256,18 @@ namespace LLInitParam
 			{
 				if (!diff_param || !ParamCompare<std::string>::equals(diff_param->getValueName(), key))
 				{
-					parser.writeValue(key, name_stack);
+					return parser.writeValue(key, name_stack);
 				}
 			}
 			// then try to serialize value directly
 			else if (!diff_param || !ParamCompare<T>::equals(typed_param.getValue(), diff_param->getValue()))
             {
 				
-				if (!parser.writeValue(typed_param.getValue(), name_stack)) 
+				if (parser.writeValue(typed_param.getValue(), name_stack)) 
+				{
+					return true;
+				}
+				else
 				{
 					//RN: *always* serialize provided components of BlockValue (don't pass diff_param on),
 					// since these tend to be viewed as the constructor arguments for the value T.  It seems
@@ -2155,14 +2284,15 @@ namespace LLInitParam
 						// and serialize those params
 						derived_t copy(typed_param);
 						copy.updateBlockFromValue(true);
-						copy.block_t::serializeBlock(parser, name_stack, NULL);
+						return copy.block_t::serializeBlock(parser, name_stack, predicate_rule, NULL);
 					}
 					else
 					{
-						block_t::serializeBlock(parser, name_stack, NULL);
+						return block_t::serializeBlock(parser, name_stack, predicate_rule, NULL);
 					}
 				}
 			}
+			return false;
 		}
 
 		bool inspectBlock(Parser& parser, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const
@@ -2280,8 +2410,6 @@ namespace LLInitParam
 			return block_t::mergeBlock(block_data, source, overwrite);
 		}
 
-		mutable bool 		mValidated; // lazy validation flag
-
 	private:
 		mutable T			mValue;
 		mutable EValueAge	mValueAge;
diff --git a/indra/llcommon/llinstancetracker.h b/indra/llcommon/llinstancetracker.h
index 403df08990..3a1187a4c1 100644
--- a/indra/llcommon/llinstancetracker.h
+++ b/indra/llcommon/llinstancetracker.h
@@ -77,8 +77,8 @@ protected:
 /// This mix-in class adds support for tracking all instances of the specified class parameter T
 /// The (optional) key associates a value of type KEY with a given instance of T, for quick lookup
 /// If KEY is not provided, then instances are stored in a simple set
-/// @NOTE: see explicit specialization below for default KEY==T* case
-template<typename T, typename KEY = T*>
+/// @NOTE: see explicit specialization below for default KEY==void case
+template<typename T, typename KEY = void>
 class LLInstanceTracker : public LLInstanceTrackerBase
 {
 	typedef LLInstanceTracker<T, KEY> MyT;
@@ -224,12 +224,12 @@ private:
 	KEY mInstanceKey;
 };
 
-/// explicit specialization for default case where KEY is T*
+/// explicit specialization for default case where KEY is void
 /// use a simple std::set<T*>
 template<typename T>
-class LLInstanceTracker<T, T*> : public LLInstanceTrackerBase
+class LLInstanceTracker<T, void> : public LLInstanceTrackerBase
 {
-	typedef LLInstanceTracker<T, T*> MyT;
+	typedef LLInstanceTracker<T, void> MyT;
 	typedef typename std::set<T*> InstanceSet;
 	struct StaticData: public StaticBase
 	{
diff --git a/indra/llcommon/llmemory.cpp b/indra/llcommon/llmemory.cpp
index 70ad10ad55..c6b02df939 100644
--- a/indra/llcommon/llmemory.cpp
+++ b/indra/llcommon/llmemory.cpp
@@ -32,7 +32,6 @@
 //#endif
 
 #if defined(LL_WINDOWS)
-//# include <windows.h>
 # include <psapi.h>
 #elif defined(LL_DARWIN)
 # include <sys/types.h>
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h
index 10013e0f92..3744e68956 100644
--- a/indra/llcommon/llmemory.h
+++ b/indra/llcommon/llmemory.h
@@ -28,6 +28,8 @@
 
 #include "llmemtype.h"
 
+class LLMutex ;
+
 #if LL_WINDOWS && LL_DEBUG
 #define LL_CHECK_MEMORY llassert(_CrtCheckMemory());
 #else
diff --git a/indra/llcommon/llmemtype.cpp b/indra/llcommon/llmemtype.cpp
deleted file mode 100644
index 6290a7158f..0000000000
--- a/indra/llcommon/llmemtype.cpp
+++ /dev/null
@@ -1,232 +0,0 @@
-/** 
- * @file llmemtype.cpp
- * @brief Simple memory allocation/deallocation tracking stuff here
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "llmemtype.h"
-#include "llallocator.h"
-
-std::vector<char const *> LLMemType::DeclareMemType::mNameList;
-
-LLMemType::DeclareMemType LLMemType::MTYPE_INIT("Init");
-LLMemType::DeclareMemType LLMemType::MTYPE_STARTUP("Startup");
-LLMemType::DeclareMemType LLMemType::MTYPE_MAIN("Main");
-LLMemType::DeclareMemType LLMemType::MTYPE_FRAME("Frame");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_GATHER_INPUT("GatherInput");
-LLMemType::DeclareMemType LLMemType::MTYPE_JOY_KEY("JoyKey");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE("Idle");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_PUMP("IdlePump");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_NETWORK("IdleNetwork");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_UPDATE_REGIONS("IdleUpdateRegions");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_UPDATE_VIEWER_REGION("IdleUpdateViewerRegion");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_UPDATE_SURFACE("IdleUpdateSurface");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_UPDATE_PARCEL_OVERLAY("IdleUpdateParcelOverlay");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_AUDIO("IdleAudio");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_CACHE_PROCESS_PENDING("CacheProcessPending");
-LLMemType::DeclareMemType LLMemType::MTYPE_CACHE_PROCESS_PENDING_ASKS("CacheProcessPendingAsks");
-LLMemType::DeclareMemType LLMemType::MTYPE_CACHE_PROCESS_PENDING_REPLIES("CacheProcessPendingReplies");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_MESSAGE_CHECK_ALL("MessageCheckAll");
-LLMemType::DeclareMemType LLMemType::MTYPE_MESSAGE_PROCESS_ACKS("MessageProcessAcks");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_RENDER("Render");
-LLMemType::DeclareMemType LLMemType::MTYPE_SLEEP("Sleep");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_NETWORK("Network");
-LLMemType::DeclareMemType LLMemType::MTYPE_PHYSICS("Physics");
-LLMemType::DeclareMemType LLMemType::MTYPE_INTERESTLIST("InterestList");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_IMAGEBASE("ImageBase");
-LLMemType::DeclareMemType LLMemType::MTYPE_IMAGERAW("ImageRaw");
-LLMemType::DeclareMemType LLMemType::MTYPE_IMAGEFORMATTED("ImageFormatted");
-		
-LLMemType::DeclareMemType LLMemType::MTYPE_APPFMTIMAGE("AppFmtImage");
-LLMemType::DeclareMemType LLMemType::MTYPE_APPRAWIMAGE("AppRawImage");
-LLMemType::DeclareMemType LLMemType::MTYPE_APPAUXRAWIMAGE("AppAuxRawImage");
-		
-LLMemType::DeclareMemType LLMemType::MTYPE_DRAWABLE("Drawable");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_OBJECT("Object");
-LLMemType::DeclareMemType LLMemType::MTYPE_OBJECT_PROCESS_UPDATE("ObjectProcessUpdate");
-LLMemType::DeclareMemType LLMemType::MTYPE_OBJECT_PROCESS_UPDATE_CORE("ObjectProcessUpdateCore");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY("Display");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_UPDATE("DisplayUpdate");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_UPDATE_CAMERA("DisplayUpdateCam");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_UPDATE_GEOM("DisplayUpdateGeom");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_SWAP("DisplaySwap");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_UPDATE_HUD("DisplayUpdateHud");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_GEN_REFLECTION("DisplayGenRefl");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_IMAGE_UPDATE("DisplayImageUpdate");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_STATE_SORT("DisplayStateSort");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_SKY("DisplaySky");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_RENDER_GEOM("DisplayRenderGeom");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_RENDER_FLUSH("DisplayRenderFlush");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_RENDER_UI("DisplayRenderUI");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_RENDER_ATTACHMENTS("DisplayRenderAttach");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_DATA("VertexData");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_CONSTRUCTOR("VertexConstr");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_DESTRUCTOR("VertexDestr");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_CREATE_VERTICES("VertexCreateVerts");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_CREATE_INDICES("VertexCreateIndices");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_DESTROY_BUFFER("VertexDestroyBuff");	
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_DESTROY_INDICES("VertexDestroyIndices");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_UPDATE_VERTS("VertexUpdateVerts");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_UPDATE_INDICES("VertexUpdateIndices");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_ALLOCATE_BUFFER("VertexAllocateBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_RESIZE_BUFFER("VertexResizeBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_MAP_BUFFER("VertexMapBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_MAP_BUFFER_VERTICES("VertexMapBufferVerts");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_MAP_BUFFER_INDICES("VertexMapBufferIndices");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_UNMAP_BUFFER("VertexUnmapBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_SET_STRIDE("VertexSetStride");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_SET_BUFFER("VertexSetBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_SETUP_VERTEX_BUFFER("VertexSetupVertBuff");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_CLEANUP_CLASS("VertexCleanupClass");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_SPACE_PARTITION("SpacePartition");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE("Pipeline");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_INIT("PipelineInit");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_CREATE_BUFFERS("PipelineCreateBuffs");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RESTORE_GL("PipelineRestroGL");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_UNLOAD_SHADERS("PipelineUnloadShaders");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_LIGHTING_DETAIL("PipelineLightingDetail");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_GET_POOL_TYPE("PipelineGetPoolType");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_ADD_POOL("PipelineAddPool");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_ALLOCATE_DRAWABLE("PipelineAllocDrawable");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_ADD_OBJECT("PipelineAddObj");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_CREATE_OBJECTS("PipelineCreateObjs");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_UPDATE_MOVE("PipelineUpdateMove");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_UPDATE_GEOM("PipelineUpdateGeom");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_MARK_VISIBLE("PipelineMarkVisible");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_MARK_MOVED("PipelineMarkMoved");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_MARK_SHIFT("PipelineMarkShift");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_SHIFT_OBJECTS("PipelineShiftObjs");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_MARK_TEXTURED("PipelineMarkTextured");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_MARK_REBUILD("PipelineMarkRebuild");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_UPDATE_CULL("PipelineUpdateCull");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_STATE_SORT("PipelineStateSort");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_POST_SORT("PipelinePostSort");
-		
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_HUD_ELS("PipelineHudEls");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_HL("PipelineRenderHL");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_GEOM("PipelineRenderGeom");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_GEOM_DEFFERRED("PipelineRenderGeomDef");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_GEOM_POST_DEF("PipelineRenderGeomPostDef");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_GEOM_SHADOW("PipelineRenderGeomShadow");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_SELECT("PipelineRenderSelect");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_REBUILD_POOLS("PipelineRebuildPools");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_QUICK_LOOKUP("PipelineQuickLookup");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_OBJECTS("PipelineRenderObjs");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_GENERATE_IMPOSTOR("PipelineGenImpostors");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_BLOOM("PipelineRenderBloom");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_UPKEEP_POOLS("UpkeepPools");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_AVATAR("Avatar");
-LLMemType::DeclareMemType LLMemType::MTYPE_AVATAR_MESH("AvatarMesh");
-LLMemType::DeclareMemType LLMemType::MTYPE_PARTICLES("Particles");
-LLMemType::DeclareMemType LLMemType::MTYPE_REGIONS("Regions");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY("Inventory");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_DRAW("InventoryDraw");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_BUILD_NEW_VIEWS("InventoryBuildNewViews");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_DO_FOLDER("InventoryDoFolder");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_POST_BUILD("InventoryPostBuild");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_FROM_XML("InventoryFromXML");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_CREATE_NEW_ITEM("InventoryCreateNewItem");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_VIEW_INIT("InventoryViewInit");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_VIEW_SHOW("InventoryViewShow");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_VIEW_TOGGLE("InventoryViewToggle");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_ANIMATION("Animation");
-LLMemType::DeclareMemType LLMemType::MTYPE_VOLUME("Volume");
-LLMemType::DeclareMemType LLMemType::MTYPE_PRIMITIVE("Primitive");
-		
-LLMemType::DeclareMemType LLMemType::MTYPE_SCRIPT("Script");
-LLMemType::DeclareMemType LLMemType::MTYPE_SCRIPT_RUN("ScriptRun");
-LLMemType::DeclareMemType LLMemType::MTYPE_SCRIPT_BYTECODE("ScriptByteCode");
-		
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_PUMP("IoPump");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_TCP("IoTCP");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_BUFFER("IoBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_HTTP_SERVER("IoHttpServer");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_SD_SERVER("IoSDServer");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_SD_CLIENT("IoSDClient");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_URL_REQUEST("IOUrlRequest");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_DIRECTX_INIT("DirectXInit");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP1("Temp1");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP2("Temp2");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP3("Temp3");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP4("Temp4");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP5("Temp5");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP6("Temp6");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP7("Temp7");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP8("Temp8");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP9("Temp9");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_OTHER("Other");
-
-
-LLMemType::DeclareMemType::DeclareMemType(char const * st)
-{
-	mID = (S32)mNameList.size();
-	mName = st;
-
-	mNameList.push_back(mName);
-}
-
-LLMemType::DeclareMemType::~DeclareMemType()
-{
-}
-
-LLMemType::LLMemType(LLMemType::DeclareMemType& dt)
-{
-	mTypeIndex = dt.mID;
-	LLAllocator::pushMemType(dt.mID);
-}
-
-LLMemType::~LLMemType()
-{
-	LLAllocator::popMemType();
-}
-
-char const * LLMemType::getNameFromID(S32 id)
-{
-	if (id < 0 || id >= (S32)DeclareMemType::mNameList.size())
-	{
-		return "INVALID";
-	}
-
-	return DeclareMemType::mNameList[id];
-}
-
-//--------------------------------------------------------------------------------------------------
diff --git a/indra/llcommon/llmemtype.h b/indra/llcommon/llmemtype.h
deleted file mode 100644
index 4945dbaf60..0000000000
--- a/indra/llcommon/llmemtype.h
+++ /dev/null
@@ -1,242 +0,0 @@
-/** 
- * @file llmemtype.h
- * @brief Runtime memory usage debugging utilities.
- *
- * $LicenseInfo:firstyear=2005&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_MEMTYPE_H
-#define LL_MEMTYPE_H
-
-//----------------------------------------------------------------------------
-//----------------------------------------------------------------------------
-
-//----------------------------------------------------------------------------
-
-#include "linden_common.h"
-//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-// WARNING: Never commit with MEM_TRACK_MEM == 1
-//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-#define MEM_TRACK_MEM (0 && LL_WINDOWS)
-
-#include <vector>
-
-#define MEM_TYPE_NEW(T)
-
-class LL_COMMON_API LLMemType
-{
-public:
-
-	// class we'll initialize all instances of as
-	// static members of MemType.  Then use
-	// to construct any new mem type.
-	class LL_COMMON_API DeclareMemType
-	{
-	public:
-		DeclareMemType(char const * st);
-		~DeclareMemType();
-	
-		S32 mID;
-		char const * mName;
-		
-		// array so we can map an index ID to Name
-		static std::vector<char const *> mNameList;
-	};
-
-	LLMemType(DeclareMemType& dt);
-	~LLMemType();
-
-	static char const * getNameFromID(S32 id);
-
-	static DeclareMemType MTYPE_INIT;
-	static DeclareMemType MTYPE_STARTUP;
-	static DeclareMemType MTYPE_MAIN;
-	static DeclareMemType MTYPE_FRAME;
-
-	static DeclareMemType MTYPE_GATHER_INPUT;
-	static DeclareMemType MTYPE_JOY_KEY;
-
-	static DeclareMemType MTYPE_IDLE;
-	static DeclareMemType MTYPE_IDLE_PUMP;
-	static DeclareMemType MTYPE_IDLE_NETWORK;
-	static DeclareMemType MTYPE_IDLE_UPDATE_REGIONS;
-	static DeclareMemType MTYPE_IDLE_UPDATE_VIEWER_REGION;
-	static DeclareMemType MTYPE_IDLE_UPDATE_SURFACE;
-	static DeclareMemType MTYPE_IDLE_UPDATE_PARCEL_OVERLAY;
-	static DeclareMemType MTYPE_IDLE_AUDIO;
-
-	static DeclareMemType MTYPE_CACHE_PROCESS_PENDING;
-	static DeclareMemType MTYPE_CACHE_PROCESS_PENDING_ASKS;
-	static DeclareMemType MTYPE_CACHE_PROCESS_PENDING_REPLIES;
-
-	static DeclareMemType MTYPE_MESSAGE_CHECK_ALL;
-	static DeclareMemType MTYPE_MESSAGE_PROCESS_ACKS;
-
-	static DeclareMemType MTYPE_RENDER;
-	static DeclareMemType MTYPE_SLEEP;
-
-	static DeclareMemType MTYPE_NETWORK;
-	static DeclareMemType MTYPE_PHYSICS;
-	static DeclareMemType MTYPE_INTERESTLIST;
-
-	static DeclareMemType MTYPE_IMAGEBASE;
-	static DeclareMemType MTYPE_IMAGERAW;
-	static DeclareMemType MTYPE_IMAGEFORMATTED;
-	
-	static DeclareMemType MTYPE_APPFMTIMAGE;
-	static DeclareMemType MTYPE_APPRAWIMAGE;
-	static DeclareMemType MTYPE_APPAUXRAWIMAGE;
-	
-	static DeclareMemType MTYPE_DRAWABLE;
-	
-	static DeclareMemType MTYPE_OBJECT;
-	static DeclareMemType MTYPE_OBJECT_PROCESS_UPDATE;
-	static DeclareMemType MTYPE_OBJECT_PROCESS_UPDATE_CORE;
-
-	static DeclareMemType MTYPE_DISPLAY;
-	static DeclareMemType MTYPE_DISPLAY_UPDATE;
-	static DeclareMemType MTYPE_DISPLAY_UPDATE_CAMERA;
-	static DeclareMemType MTYPE_DISPLAY_UPDATE_GEOM;
-	static DeclareMemType MTYPE_DISPLAY_SWAP;
-	static DeclareMemType MTYPE_DISPLAY_UPDATE_HUD;
-	static DeclareMemType MTYPE_DISPLAY_GEN_REFLECTION;
-	static DeclareMemType MTYPE_DISPLAY_IMAGE_UPDATE;
-	static DeclareMemType MTYPE_DISPLAY_STATE_SORT;
-	static DeclareMemType MTYPE_DISPLAY_SKY;
-	static DeclareMemType MTYPE_DISPLAY_RENDER_GEOM;
-	static DeclareMemType MTYPE_DISPLAY_RENDER_FLUSH;
-	static DeclareMemType MTYPE_DISPLAY_RENDER_UI;
-	static DeclareMemType MTYPE_DISPLAY_RENDER_ATTACHMENTS;
-
-	static DeclareMemType MTYPE_VERTEX_DATA;
-	static DeclareMemType MTYPE_VERTEX_CONSTRUCTOR;
-	static DeclareMemType MTYPE_VERTEX_DESTRUCTOR;
-	static DeclareMemType MTYPE_VERTEX_CREATE_VERTICES;
-	static DeclareMemType MTYPE_VERTEX_CREATE_INDICES;
-	static DeclareMemType MTYPE_VERTEX_DESTROY_BUFFER;	
-	static DeclareMemType MTYPE_VERTEX_DESTROY_INDICES;
-	static DeclareMemType MTYPE_VERTEX_UPDATE_VERTS;
-	static DeclareMemType MTYPE_VERTEX_UPDATE_INDICES;
-	static DeclareMemType MTYPE_VERTEX_ALLOCATE_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_RESIZE_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_MAP_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_MAP_BUFFER_VERTICES;
-	static DeclareMemType MTYPE_VERTEX_MAP_BUFFER_INDICES;
-	static DeclareMemType MTYPE_VERTEX_UNMAP_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_SET_STRIDE;
-	static DeclareMemType MTYPE_VERTEX_SET_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_SETUP_VERTEX_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_CLEANUP_CLASS;
-
-	static DeclareMemType MTYPE_SPACE_PARTITION;
-
-	static DeclareMemType MTYPE_PIPELINE;
-	static DeclareMemType MTYPE_PIPELINE_INIT;
-	static DeclareMemType MTYPE_PIPELINE_CREATE_BUFFERS;
-	static DeclareMemType MTYPE_PIPELINE_RESTORE_GL;
-	static DeclareMemType MTYPE_PIPELINE_UNLOAD_SHADERS;
-	static DeclareMemType MTYPE_PIPELINE_LIGHTING_DETAIL;
-	static DeclareMemType MTYPE_PIPELINE_GET_POOL_TYPE;
-	static DeclareMemType MTYPE_PIPELINE_ADD_POOL;
-	static DeclareMemType MTYPE_PIPELINE_ALLOCATE_DRAWABLE;
-	static DeclareMemType MTYPE_PIPELINE_ADD_OBJECT;
-	static DeclareMemType MTYPE_PIPELINE_CREATE_OBJECTS;
-	static DeclareMemType MTYPE_PIPELINE_UPDATE_MOVE;
-	static DeclareMemType MTYPE_PIPELINE_UPDATE_GEOM;
-	static DeclareMemType MTYPE_PIPELINE_MARK_VISIBLE;
-	static DeclareMemType MTYPE_PIPELINE_MARK_MOVED;
-	static DeclareMemType MTYPE_PIPELINE_MARK_SHIFT;
-	static DeclareMemType MTYPE_PIPELINE_SHIFT_OBJECTS;
-	static DeclareMemType MTYPE_PIPELINE_MARK_TEXTURED;
-	static DeclareMemType MTYPE_PIPELINE_MARK_REBUILD;
-	static DeclareMemType MTYPE_PIPELINE_UPDATE_CULL;
-	static DeclareMemType MTYPE_PIPELINE_STATE_SORT;
-	static DeclareMemType MTYPE_PIPELINE_POST_SORT;
-	
-	static DeclareMemType MTYPE_PIPELINE_RENDER_HUD_ELS;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_HL;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_GEOM;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_GEOM_DEFFERRED;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_GEOM_POST_DEF;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_GEOM_SHADOW;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_SELECT;
-	static DeclareMemType MTYPE_PIPELINE_REBUILD_POOLS;
-	static DeclareMemType MTYPE_PIPELINE_QUICK_LOOKUP;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_OBJECTS;
-	static DeclareMemType MTYPE_PIPELINE_GENERATE_IMPOSTOR;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_BLOOM;
-
-	static DeclareMemType MTYPE_UPKEEP_POOLS;
-
-	static DeclareMemType MTYPE_AVATAR;
-	static DeclareMemType MTYPE_AVATAR_MESH;
-	static DeclareMemType MTYPE_PARTICLES;
-	static DeclareMemType MTYPE_REGIONS;
-
-	static DeclareMemType MTYPE_INVENTORY;
-	static DeclareMemType MTYPE_INVENTORY_DRAW;
-	static DeclareMemType MTYPE_INVENTORY_BUILD_NEW_VIEWS;
-	static DeclareMemType MTYPE_INVENTORY_DO_FOLDER;
-	static DeclareMemType MTYPE_INVENTORY_POST_BUILD;
-	static DeclareMemType MTYPE_INVENTORY_FROM_XML;
-	static DeclareMemType MTYPE_INVENTORY_CREATE_NEW_ITEM;
-	static DeclareMemType MTYPE_INVENTORY_VIEW_INIT;
-	static DeclareMemType MTYPE_INVENTORY_VIEW_SHOW;
-	static DeclareMemType MTYPE_INVENTORY_VIEW_TOGGLE;
-
-	static DeclareMemType MTYPE_ANIMATION;
-	static DeclareMemType MTYPE_VOLUME;
-	static DeclareMemType MTYPE_PRIMITIVE;
-	
-	static DeclareMemType MTYPE_SCRIPT;
-	static DeclareMemType MTYPE_SCRIPT_RUN;
-	static DeclareMemType MTYPE_SCRIPT_BYTECODE;
-	
-	static DeclareMemType MTYPE_IO_PUMP;
-	static DeclareMemType MTYPE_IO_TCP;
-	static DeclareMemType MTYPE_IO_BUFFER;
-	static DeclareMemType MTYPE_IO_HTTP_SERVER;
-	static DeclareMemType MTYPE_IO_SD_SERVER;
-	static DeclareMemType MTYPE_IO_SD_CLIENT;
-	static DeclareMemType MTYPE_IO_URL_REQUEST;
-
-	static DeclareMemType MTYPE_DIRECTX_INIT;
-
-	static DeclareMemType MTYPE_TEMP1;
-	static DeclareMemType MTYPE_TEMP2;
-	static DeclareMemType MTYPE_TEMP3;
-	static DeclareMemType MTYPE_TEMP4;
-	static DeclareMemType MTYPE_TEMP5;
-	static DeclareMemType MTYPE_TEMP6;
-	static DeclareMemType MTYPE_TEMP7;
-	static DeclareMemType MTYPE_TEMP8;
-	static DeclareMemType MTYPE_TEMP9;
-
-	static DeclareMemType MTYPE_OTHER; // Special; used by display code
-
-	S32 mTypeIndex;
-};
-
-//----------------------------------------------------------------------------
-
-#endif
-
diff --git a/indra/llcommon/llmetricperformancetester.cpp b/indra/llcommon/llmetricperformancetester.cpp
index 41d3eb0bf3..43d98be47b 100644
--- a/indra/llcommon/llmetricperformancetester.cpp
+++ b/indra/llcommon/llmetricperformancetester.cpp
@@ -29,9 +29,9 @@
 #include "indra_constants.h"
 #include "llerror.h"
 #include "llsdserialize.h"
-#include "llstat.h"
 #include "lltreeiterators.h"
 #include "llmetricperformancetester.h"
+#include "llfasttimer.h"
 
 //----------------------------------------------------------------------------------------------
 // LLMetricPerformanceTesterBasic : static methods and testers management
@@ -91,7 +91,7 @@ LLMetricPerformanceTesterBasic* LLMetricPerformanceTesterBasic::getTester(std::s
 // Return TRUE if this metric is requested or if the general default "catch all" metric is requested
 BOOL LLMetricPerformanceTesterBasic::isMetricLogRequested(std::string name)
 {
-	return (LLFastTimer::sMetricLog && ((LLFastTimer::sLogName == name) || (LLFastTimer::sLogName == DEFAULT_METRIC_NAME)));
+	return (LLTrace::BlockTimer::sMetricLog && ((LLTrace::BlockTimer::sLogName == name) || (LLTrace::BlockTimer::sLogName == DEFAULT_METRIC_NAME)));
 }
 
 /*static*/ 
@@ -194,8 +194,7 @@ void LLMetricPerformanceTesterBasic::preOutputTestResults(LLSD* sd)
 
 void LLMetricPerformanceTesterBasic::postOutputTestResults(LLSD* sd)
 {
-	LLMutexLock lock(LLFastTimer::sLogLock);
-	LLFastTimer::sLogQueue.push((*sd));
+	LLTrace::BlockTimer::pushLog(*sd);
 }
 
 void LLMetricPerformanceTesterBasic::outputTestResults() 
diff --git a/indra/llcommon/llmortician.h b/indra/llcommon/llmortician.h
index 319955ef93..9517e2db5e 100644
--- a/indra/llcommon/llmortician.h
+++ b/indra/llcommon/llmortician.h
@@ -28,6 +28,7 @@
 #define LLMORTICIAN_H
 
 #include "stdtypes.h"
+#include <list>
 
 class LL_COMMON_API LLMortician 
 {
diff --git a/indra/llcommon/llmutex.cpp b/indra/llcommon/llmutex.cpp
new file mode 100644
index 0000000000..2ce14b3a2e
--- /dev/null
+++ b/indra/llcommon/llmutex.cpp
@@ -0,0 +1,229 @@
+/** 
+ * @file llmutex.cpp
+ *
+ * $LicenseInfo:firstyear=2004&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "llapr.h"
+
+#include "apr_portable.h"
+
+#include "llmutex.h"
+#include "llthread.h"
+
+//============================================================================
+
+LLMutex::LLMutex(apr_pool_t *poolp) :
+	mAPRMutexp(NULL), mCount(0), mLockingThread(NO_THREAD)
+{
+	//if (poolp)
+	//{
+	//	mIsLocalPool = FALSE;
+	//	mAPRPoolp = poolp;
+	//}
+	//else
+	{
+		mIsLocalPool = TRUE;
+		apr_pool_create(&mAPRPoolp, NULL); // Create a subpool for this thread
+	}
+	apr_thread_mutex_create(&mAPRMutexp, APR_THREAD_MUTEX_UNNESTED, mAPRPoolp);
+}
+
+
+LLMutex::~LLMutex()
+{
+#if MUTEX_DEBUG
+	//bad assertion, the subclass LLSignal might be "locked", and that's OK
+	//llassert_always(!isLocked()); // better not be locked!
+#endif
+	apr_thread_mutex_destroy(mAPRMutexp);
+	mAPRMutexp = NULL;
+	if (mIsLocalPool)
+	{
+		apr_pool_destroy(mAPRPoolp);
+	}
+}
+
+
+void LLMutex::lock()
+{
+	if(isSelfLocked())
+	{ //redundant lock
+		mCount++;
+		return;
+	}
+	
+	apr_thread_mutex_lock(mAPRMutexp);
+	
+#if MUTEX_DEBUG
+	// Have to have the lock before we can access the debug info
+	U32 id = LLThread::currentID();
+	if (mIsLocked[id] != FALSE)
+		llerrs << "Already locked in Thread: " << id << llendl;
+	mIsLocked[id] = TRUE;
+#endif
+
+#if LL_DARWIN
+	mLockingThread = LLThread::currentID();
+#else
+	mLockingThread = LLThread::sThreadIndex;
+#endif
+}
+
+void LLMutex::unlock()
+{
+	if (mCount > 0)
+	{ //not the root unlock
+		mCount--;
+		return;
+	}
+	
+#if MUTEX_DEBUG
+	// Access the debug info while we have the lock
+	U32 id = LLThread::currentID();
+	if (mIsLocked[id] != TRUE)
+		llerrs << "Not locked in Thread: " << id << llendl;	
+	mIsLocked[id] = FALSE;
+#endif
+
+	mLockingThread = NO_THREAD;
+	apr_thread_mutex_unlock(mAPRMutexp);
+}
+
+bool LLMutex::isLocked()
+{
+	apr_status_t status = apr_thread_mutex_trylock(mAPRMutexp);
+	if (APR_STATUS_IS_EBUSY(status))
+	{
+		return true;
+	}
+	else
+	{
+		apr_thread_mutex_unlock(mAPRMutexp);
+		return false;
+	}
+}
+
+bool LLMutex::isSelfLocked()
+{
+#if LL_DARWIN
+	return mLockingThread == LLThread::currentID();
+#else
+	return mLockingThread == LLThread::sThreadIndex;
+#endif
+}
+
+U32 LLMutex::lockingThread() const
+{
+	return mLockingThread;
+}
+
+//============================================================================
+
+LLCondition::LLCondition(apr_pool_t *poolp) :
+	LLMutex(poolp)
+{
+	// base class (LLMutex) has already ensured that mAPRPoolp is set up.
+
+	apr_thread_cond_create(&mAPRCondp, mAPRPoolp);
+}
+
+
+LLCondition::~LLCondition()
+{
+	apr_thread_cond_destroy(mAPRCondp);
+	mAPRCondp = NULL;
+}
+
+
+void LLCondition::wait()
+{
+	if (!isLocked())
+	{ //mAPRMutexp MUST be locked before calling apr_thread_cond_wait
+		apr_thread_mutex_lock(mAPRMutexp);
+#if MUTEX_DEBUG
+		// avoid asserts on destruction in non-release builds
+		U32 id = LLThread::currentID();
+		mIsLocked[id] = TRUE;
+#endif
+	}
+	apr_thread_cond_wait(mAPRCondp, mAPRMutexp);
+}
+
+void LLCondition::signal()
+{
+	apr_thread_cond_signal(mAPRCondp);
+}
+
+void LLCondition::broadcast()
+{
+	apr_thread_cond_broadcast(mAPRCondp);
+}
+
+
+//============================================================================
+
+//----------------------------------------------------------------------------
+
+//static
+LLMutex* LLThreadSafeRefCount::sMutex = 0;
+
+//static
+void LLThreadSafeRefCount::initThreadSafeRefCount()
+{
+	if (!sMutex)
+	{
+		sMutex = new LLMutex(0);
+	}
+}
+
+//static
+void LLThreadSafeRefCount::cleanupThreadSafeRefCount()
+{
+	delete sMutex;
+	sMutex = NULL;
+}
+
+
+//----------------------------------------------------------------------------
+
+LLThreadSafeRefCount::LLThreadSafeRefCount() :
+mRef(0)
+{
+}
+
+LLThreadSafeRefCount::~LLThreadSafeRefCount()
+{ 
+	if (mRef != 0)
+	{
+		llerrs << "deleting non-zero reference" << llendl;
+	}
+}
+
+//============================================================================
+
+LLResponder::~LLResponder()
+{
+}
+
+//============================================================================
diff --git a/indra/llcommon/llmutex.h b/indra/llcommon/llmutex.h
new file mode 100644
index 0000000000..bd0a59b577
--- /dev/null
+++ b/indra/llcommon/llmutex.h
@@ -0,0 +1,168 @@
+/** 
+ * @file llmutex.h
+ * @brief Base classes for mutex and condition handling.
+ *
+ * $LicenseInfo:firstyear=2004&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLMUTEX_H
+#define LL_LLMUTEX_H
+
+#include "llapr.h"
+#include "apr_thread_cond.h"
+
+//============================================================================
+
+#define MUTEX_DEBUG (LL_DEBUG || LL_RELEASE_WITH_DEBUG_INFO)
+
+class LL_COMMON_API LLMutex
+{
+public:
+	typedef enum
+	{
+		NO_THREAD = 0xFFFFFFFF
+	} e_locking_thread;
+
+	LLMutex(apr_pool_t *apr_poolp = NULL); // NULL pool constructs a new pool for the mutex
+	virtual ~LLMutex();
+	
+	void lock();		// blocks
+	void unlock();
+	bool isLocked(); 	// non-blocking, but does do a lock/unlock so not free
+	bool isSelfLocked(); //return true if locked in a same thread
+	U32 lockingThread() const; //get ID of locking thread
+	
+protected:
+	apr_thread_mutex_t *mAPRMutexp;
+	mutable U32			mCount;
+	mutable U32			mLockingThread;
+	
+	apr_pool_t			*mAPRPoolp;
+	BOOL				mIsLocalPool;
+	
+#if MUTEX_DEBUG
+	std::map<U32, BOOL> mIsLocked;
+#endif
+};
+
+// Actually a condition/mutex pair (since each condition needs to be associated with a mutex).
+class LL_COMMON_API LLCondition : public LLMutex
+{
+public:
+	LLCondition(apr_pool_t *apr_poolp); // Defaults to global pool, could use the thread pool as well.
+	~LLCondition();
+	
+	void wait();		// blocks
+	void signal();
+	void broadcast();
+	
+protected:
+	apr_thread_cond_t *mAPRCondp;
+};
+
+class LLMutexLock
+{
+public:
+	LLMutexLock(LLMutex* mutex)
+	{
+		mMutex = mutex;
+		
+		if(mMutex)
+			mMutex->lock();
+	}
+	~LLMutexLock()
+	{
+		if(mMutex)
+			mMutex->unlock();
+	}
+private:
+	LLMutex* mMutex;
+};
+
+
+//============================================================================
+
+// see llmemory.h for LLPointer<> definition
+
+class LL_COMMON_API LLThreadSafeRefCount
+{
+public:
+	static void initThreadSafeRefCount(); // creates sMutex
+	static void cleanupThreadSafeRefCount(); // destroys sMutex
+
+private:
+	static LLMutex* sMutex;
+
+private:
+	LLThreadSafeRefCount(const LLThreadSafeRefCount&); // not implemented
+	LLThreadSafeRefCount&operator=(const LLThreadSafeRefCount&); // not implemented
+
+protected:
+	virtual ~LLThreadSafeRefCount(); // use unref()
+
+public:
+	LLThreadSafeRefCount();
+
+	void ref()
+	{
+		if (sMutex) sMutex->lock();
+		mRef++; 
+		if (sMutex) sMutex->unlock();
+	} 
+
+	S32 unref()
+	{
+		llassert(mRef >= 1);
+		if (sMutex) sMutex->lock();
+		S32 res = --mRef;
+		if (sMutex) sMutex->unlock();
+		if (0 == res) 
+		{
+			delete this; 
+			return 0;
+		}
+		return res;
+	}	
+	S32 getNumRefs() const
+	{
+		return mRef;
+	}
+
+private: 
+	S32	mRef; 
+};
+
+
+//============================================================================
+
+// Simple responder for self destructing callbacks
+// Pure virtual class
+class LL_COMMON_API LLResponder : public LLThreadSafeRefCount
+{
+protected:
+	virtual ~LLResponder();
+public:
+	virtual void completed(bool success) = 0;
+};
+
+
+#endif // LL_LLTHREAD_H
diff --git a/indra/llcommon/llpointer.h b/indra/llcommon/llpointer.h
index 88c09c8dca..6a3bbeb768 100644
--- a/indra/llcommon/llpointer.h
+++ b/indra/llcommon/llpointer.h
@@ -97,24 +97,13 @@ public:
 
 	LLPointer<Type>& operator =(Type* ptr)                   
 	{ 
-		if( mPointer != ptr )
-		{
-			unref(); 
-			mPointer = ptr; 
-			ref();
-		}
-
+		assign(ptr);
 		return *this; 
 	}
 
 	LLPointer<Type>& operator =(const LLPointer<Type>& ptr)  
 	{ 
-		if( mPointer != ptr.mPointer )
-		{
-			unref(); 
-			mPointer = ptr.mPointer;
-			ref();
-		}
+		assign(ptr);
 		return *this; 
 	}
 
@@ -122,12 +111,7 @@ public:
 	template<typename Subclass>
 	LLPointer<Type>& operator =(const LLPointer<Subclass>& ptr)  
 	{ 
-		if( mPointer != ptr.get() )
-		{
-			unref(); 
-			mPointer = ptr.get();
-			ref();
-		}
+		assign(ptr.get());
 		return *this; 
 	}
 	
@@ -144,6 +128,16 @@ protected:
 	void ref();                             
 	void unref();
 #else
+
+	void assign(const LLPointer<Type>& ptr)
+	{
+		if( mPointer != ptr.mPointer )
+		{
+			unref(); 
+			mPointer = ptr.mPointer;
+			ref();
+		}
+	}
 	void ref()                             
 	{ 
 		if (mPointer)
@@ -156,9 +150,9 @@ protected:
 	{
 		if (mPointer)
 		{
-			Type *tempp = mPointer;
+			Type *temp = mPointer;
 			mPointer = NULL;
-			tempp->unref();
+			temp->unref();
 			if (mPointer != NULL)
 			{
 				llwarns << "Unreference did assignment to non-NULL because of destructor" << llendl;
@@ -171,4 +165,53 @@ protected:
 	Type*	mPointer;
 };
 
+template<typename Type>
+class LLCopyOnWritePointer : public LLPointer<Type>
+{
+public:
+	typedef LLPointer<Type> ref_pointer_t;
+	typedef LLCopyOnWritePointer<Type> self_t;
+
+	LLCopyOnWritePointer() 
+	{
+	}
+
+	LLCopyOnWritePointer(Type* ptr) 
+	:	LLPointer(ptr)
+	{
+	}
+
+	Type* write()
+	{
+		makeUnique();
+		return mPointer;
+	}
+
+	void makeUnique()
+	{
+		if (mPointer && mPointer->getNumRefs() > 1)
+		{
+			ref_pointer_t::assign(new Type(*mPointer));
+		}
+	}
+
+	using ref_pointer_t::operator BOOL;
+	using ref_pointer_t::operator bool;
+	using ref_pointer_t::operator!;
+
+	using ref_pointer_t::operator !=;
+	using ref_pointer_t::operator ==;
+	using LLPointer<Type>::operator =;
+
+	using LLPointer<Type>::operator <;
+	using LLPointer<Type>::operator >;
+
+
+	operator Type*()							{ return mPointer; }
+	operator const Type*()   const				{ return mPointer; }
+	Type*	operator->()						{ return mPointer; }
+	const Type*	operator->() const				{ return mPointer; }
+
+};
+
 #endif
diff --git a/indra/llcommon/llpredicate.cpp b/indra/llcommon/llpredicate.cpp
new file mode 100644
index 0000000000..1278948e24
--- /dev/null
+++ b/indra/llcommon/llpredicate.cpp
@@ -0,0 +1,41 @@
+/** 
+ * @file llpredicate.cpp
+ * @brief abstraction for filtering objects by predicates, with arbitrary boolean expressions
+ *
+ * $LicenseInfo:firstyear=2008&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#include "linden_common.h"
+
+#include "llpredicate.h"
+
+namespace LLPredicate
+{
+	const U32 cPredicateFlagsFromEnum[5] = 
+	{
+		0xAAAAaaaa, // 10101010101010101010101010101010
+		0xCCCCcccc, // 11001100110011001100110011001100
+		0xF0F0F0F0, // 11110000111100001111000011110000
+		0xFF00FF00, // 11111111000000001111111100000000
+		0xFFFF0000  // 11111111111111110000000000000000 
+	};
+}
+
diff --git a/indra/llcommon/llpredicate.h b/indra/llcommon/llpredicate.h
new file mode 100644
index 0000000000..a0e970a799
--- /dev/null
+++ b/indra/llcommon/llpredicate.h
@@ -0,0 +1,210 @@
+/** 
+ * @file llpredicate.h
+ * @brief abstraction for filtering objects by predicates, with arbitrary boolean expressions
+ *
+ * $LicenseInfo:firstyear=2008&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLPREDICATE_H
+#define LL_LLPREDICATE_H
+
+#include "llerror.h"
+
+namespace LLPredicate
+{
+	template<typename ENUM> class Rule;
+
+	extern const U32 cPredicateFlagsFromEnum[5];
+
+	template<typename ENUM>
+	class Value
+	{
+	public:
+		typedef U32 predicate_flag_t;
+		static const S32 cMaxEnum = 5;
+
+		Value(ENUM e, bool predicate_value = true)
+		:	mPredicateFlags(predicate_value ? cPredicateFlagsFromEnum[e] : ~cPredicateFlagsFromEnum[e])
+		{
+			llassert(0 <= e && e < cMaxEnum);
+		}
+
+		Value()
+		:	mPredicateFlags(0xFFFFffff)
+		{}
+
+		Value operator!() const
+		{
+			Value new_value;
+			new_value.mPredicateFlags = ~mPredicateFlags;
+			return new_value;
+		}
+
+		Value operator &&(const Value other) const
+		{
+			Value new_value;
+			new_value.mPredicateFlags = mPredicateFlags & other.mPredicateFlags;
+			return new_value;
+		}
+
+		Value operator ||(const Value other) const
+		{
+			Value new_value;
+			new_value.mPredicateFlags = mPredicateFlags | other.mPredicateFlags;
+			return new_value;
+		}
+
+		void set(ENUM e, bool value = true)
+		{
+			llassert(0 <= e && e < cMaxEnum);
+			predicate_flag_t flags_to_modify;
+			predicate_flag_t mask = cPredicateFlagsFromEnum[e];
+			if (value)
+			{	// add predicate "e" to flags that don't contain it already
+				flags_to_modify = (mPredicateFlags & ~mask);
+				// clear flags not containing e
+				mPredicateFlags &= mask;
+				// add back flags shifted to contain e
+				mPredicateFlags |= flags_to_modify << (0x1 << e);
+			}
+			else
+			{	// remove predicate "e" from flags that contain it
+				flags_to_modify = (mPredicateFlags & mask);
+				// clear flags containing e
+				mPredicateFlags &= ~mask;
+				// add back flags shifted to not contain e
+				mPredicateFlags |= flags_to_modify >> (0x1 << e);
+			}
+		}
+
+		void forget(ENUM e)
+		{
+			set(e, true);
+			U32 flags_with_predicate = mPredicateFlags;
+			set(e, false);
+			// ambiguous value is result of adding and removing predicate at the same time!
+			mPredicateFlags |= flags_with_predicate;
+		}
+
+		bool allSet() const
+		{
+			return mPredicateFlags == ~0;
+		}
+
+		bool noneSet() const
+		{
+			return mPredicateFlags == 0;
+		}
+
+		bool someSet() const
+		{
+			return mPredicateFlags != 0;
+		}
+
+	private:
+		predicate_flag_t mPredicateFlags;
+	};
+
+	template<typename ENUM>
+	class Rule
+	{
+	public:
+		Rule(ENUM value)
+		:	mRule(value)
+		{}
+
+		Rule(const Value<ENUM> other)
+		:	mRule(other)
+		{}
+
+		Rule()
+		{}
+
+		void require(ENUM e)
+		{
+			mRule.set(e, require);
+		}
+
+		void allow(ENUM e)
+		{
+			mRule.forget(e);
+		}
+
+		bool check(const Value<ENUM> value) const
+		{
+			return (mRule && value).someSet();
+		}
+
+		bool requires(const Value<ENUM> value) const
+		{
+			return (mRule && value).someSet() && (!mRule && value).noneSet();
+		}
+
+		bool isAmbivalent(const Value<ENUM> value) const
+		{
+			return (mRule && value).someSet() && (!mRule && value).someSet();
+		}
+
+		bool acceptsAll() const
+		{
+			return mRule.allSet();
+		}
+
+		bool acceptsNone() const
+		{
+			return mRule.noneSet();
+		}
+
+		Rule operator!() const
+		{
+			Rule new_rule;
+			new_rule.mRule = !mRule;
+			return new_rule;
+		}
+
+		Rule operator &&(const Rule other) const
+		{
+			Rule new_rule;
+			new_rule.mRule = mRule && other.mRule;
+			return new_rule;
+		}
+
+		Rule operator ||(const Rule other) const
+		{
+			Rule new_rule;
+			new_rule.mRule = mRule || other.mRule;
+			return new_rule;
+		}
+
+	private:
+		Value<ENUM> mRule;
+	};
+}
+
+template<typename ENUM>
+LLPredicate::Value<ENUM> ll_make_predicate(ENUM e, bool predicate_value = true)
+{
+	 return LLPredicate::Value<ENUM>(e, predicate_value);
+}
+
+
+#endif // LL_LLPREDICATE_H
diff --git a/indra/llcommon/llprocess.h b/indra/llcommon/llprocess.h
index d711ce2f74..2fe084afcd 100644
--- a/indra/llcommon/llprocess.h
+++ b/indra/llcommon/llprocess.h
@@ -38,8 +38,7 @@
 #include <stdexcept>
 
 #if LL_WINDOWS
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>                // HANDLE (eye roll)
+#include "llwin32headerslean.h"	// for HANDLE
 #elif LL_LINUX
 #if defined(Status)
 #undef Status
diff --git a/indra/llcommon/llprocessor.cpp b/indra/llcommon/llprocessor.cpp
index fd8f603d21..6fe53396ca 100644
--- a/indra/llcommon/llprocessor.cpp
+++ b/indra/llcommon/llprocessor.cpp
@@ -32,9 +32,7 @@
 //#include <memory>
 
 #if LL_WINDOWS
-#	define WIN32_LEAN_AND_MEAN
-#	include <winsock2.h>
-#	include <windows.h>
+#	include "llwin32headerslean.h"
 #	define _interlockedbittestandset _renamed_interlockedbittestandset
 #	define _interlockedbittestandreset _renamed_interlockedbittestandreset
 #	include <intrin.h>
@@ -877,7 +875,7 @@ LLProcessorInfo::LLProcessorInfo() : mImpl(NULL)
 
 
 LLProcessorInfo::~LLProcessorInfo() {}
-F64 LLProcessorInfo::getCPUFrequency() const { return mImpl->getCPUFrequency(); }
+LLUnit<LLUnits::Megahertz, F64> LLProcessorInfo::getCPUFrequency() const { return mImpl->getCPUFrequency(); }
 bool LLProcessorInfo::hasSSE() const { return mImpl->hasSSE(); }
 bool LLProcessorInfo::hasSSE2() const { return mImpl->hasSSE2(); }
 bool LLProcessorInfo::hasAltivec() const { return mImpl->hasAltivec(); }
diff --git a/indra/llcommon/llprocessor.h b/indra/llcommon/llprocessor.h
index 6364d3c8bb..2a21a5c115 100644
--- a/indra/llcommon/llprocessor.h
+++ b/indra/llcommon/llprocessor.h
@@ -27,6 +27,8 @@
 
 #ifndef LLPROCESSOR_H
 #define LLPROCESSOR_H
+#include "llunit.h"
+
 class LLProcessorInfoImpl;
 
 class LL_COMMON_API LLProcessorInfo
@@ -35,7 +37,7 @@ public:
 	LLProcessorInfo(); 
  	~LLProcessorInfo();
 
-	F64 getCPUFrequency() const;
+	LLUnit<LLUnits::Megahertz, F64> getCPUFrequency() const;
 	bool hasSSE() const;
 	bool hasSSE2() const;
 	bool hasAltivec() const;
diff --git a/indra/llcommon/llqueuedthread.cpp b/indra/llcommon/llqueuedthread.cpp
index abf47a0f57..956642e97a 100644
--- a/indra/llcommon/llqueuedthread.cpp
+++ b/indra/llcommon/llqueuedthread.cpp
@@ -28,6 +28,7 @@
 
 #include "llstl.h"
 #include "lltimer.h"	// ms_sleep()
+#include "lltracethreadrecorder.h"
 
 //============================================================================
 
@@ -134,8 +135,8 @@ S32 LLQueuedThread::updateQueue(F32 max_time_ms)
 		pending = getPending();
 		if(pending > 0)
 		{
-			unpause();
-		}
+		unpause();
+	}
 	}
 	else
 	{
@@ -508,6 +509,9 @@ void LLQueuedThread::run()
 		threadedUpdate();
 		
 		int res = processNextRequest();
+
+		LLTrace::get_thread_recorder()->pushToMaster();
+
 		if (res == 0)
 		{
 			mIdleThread = TRUE;
diff --git a/indra/llcommon/llsdparam.cpp b/indra/llcommon/llsdparam.cpp
index 0e29873bb0..345e30f4b4 100644
--- a/indra/llcommon/llsdparam.cpp
+++ b/indra/llcommon/llsdparam.cpp
@@ -102,13 +102,13 @@ void LLParamSDParser::readSD(const LLSD& sd, LLInitParam::BaseBlock& block, bool
 	//readSDValues(sd, block);
 }
 
-void LLParamSDParser::writeSD(LLSD& sd, const LLInitParam::BaseBlock& block)
+void LLParamSDParser::writeSDImpl(LLSD& sd, const LLInitParam::BaseBlock& block, const LLInitParam::predicate_rule_t rules, const LLInitParam::BaseBlock* diff_block)
 {
 	mNameStack.clear();
 	mWriteRootSD = &sd;
 
 	name_stack_t name_stack;
-	block.serializeBlock(*this, name_stack);
+	block.serializeBlock(*this, name_stack, rules, diff_block);
 }
 
 /*virtual*/ std::string LLParamSDParser::getCurrentElementName()
@@ -223,10 +223,14 @@ LLSD& LLParamSDParserUtilities::getSDWriteNode(LLSD& input, LLInitParam::Parser:
 	{
 		bool new_traversal = it->second;
 
-		LLSD* child_sd = it->first.empty() ? sd_to_write : &(*sd_to_write)[it->first];
-
-		if (child_sd->isArray())
+		LLSD* child_sd;
+		if (it->first.empty())
+		{
+			child_sd = sd_to_write;
+			if (child_sd->isUndefined())
 		{
+				*child_sd = LLSD::emptyArray();
+			}
 			if (new_traversal)
 			{
 				// write to new element at end
@@ -240,22 +244,7 @@ LLSD& LLParamSDParserUtilities::getSDWriteNode(LLSD& input, LLInitParam::Parser:
 		}
 		else
 		{
-			if (new_traversal 
-				&& child_sd->isDefined() 
-				&& !child_sd->isArray())
-			{
-				// copy child contents into first element of an array
-				LLSD new_array = LLSD::emptyArray();
-				new_array.append(*child_sd);
-				// assign array to slot that previously held the single value
-				*child_sd = new_array;
-				// return next element in that array
-				sd_to_write = &((*child_sd)[1]);
-			}
-			else
-			{
-				sd_to_write = child_sd;
-			}
+			sd_to_write = &(*sd_to_write)[it->first];
 		}
 		it->second = false;
 	}
@@ -283,8 +272,9 @@ void LLParamSDParserUtilities::readSDValues(read_sd_cb_t cb, const LLSD& sd, LLI
 			it != sd.endArray();
 			++it)
 		{
-			stack.back().second = true;
+			stack.push_back(make_pair(std::string(), true));
 			readSDValues(cb, *it, stack);
+			stack.pop_back();
 		}
 	}
 	else if (sd.isUndefined())
@@ -315,6 +305,12 @@ namespace LLInitParam
 	// block param interface
 	bool ParamValue<LLSD, TypeValues<LLSD>, false>::deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack, bool new_name)
 	{
+		if (name_stack.first == name_stack.second
+			&& p.readValue<LLSD>(mValue))
+		{
+			return true;
+		}
+
 		LLSD& sd = LLParamSDParserUtilities::getSDWriteNode(mValue, name_stack);
 
 		LLSD::String string;
@@ -333,10 +329,14 @@ namespace LLInitParam
 		p.writeValue<LLSD::String>(sd.asString(), name_stack);
 	}
 
-	void ParamValue<LLSD, TypeValues<LLSD>, false>::serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block) const
+	bool ParamValue<LLSD, TypeValues<LLSD>, false>::serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const predicate_rule_t predicate_rule, const BaseBlock* diff_block) const
 	{
-		// read from LLSD value and serialize out to parser (which could be LLSD, XUI, etc)
-		Parser::name_stack_t stack;
-		LLParamSDParserUtilities::readSDValues(boost::bind(&serializeElement, boost::ref(p), _1, _2), mValue, stack);
+		// attempt to write LLSD out directly
+		if (!p.writeValue<LLSD>(mValue, name_stack))
+		{
+			// otherwise read from LLSD value and serialize out to parser (which could be LLSD, XUI, etc)
+			LLParamSDParserUtilities::readSDValues(boost::bind(&serializeElement, boost::ref(p), _1, _2), mValue, name_stack);
+		}
+		return true;
 	}
 }
diff --git a/indra/llcommon/llsdparam.h b/indra/llcommon/llsdparam.h
index 6ef5debd7b..7cfc265c62 100644
--- a/indra/llcommon/llsdparam.h
+++ b/indra/llcommon/llsdparam.h
@@ -30,6 +30,7 @@
 
 #include "llinitparam.h"
 #include "boost/function.hpp"
+#include "llfasttimer.h"
 
 struct LL_COMMON_API LLParamSDParserUtilities
 {
@@ -50,11 +51,28 @@ typedef LLInitParam::Parser parser_t;
 public:
 	LLParamSDParser();
 	void readSD(const LLSD& sd, LLInitParam::BaseBlock& block, bool silent = false);
-	void writeSD(LLSD& sd, const LLInitParam::BaseBlock& block);
+	template<typename BLOCK>
+	void writeSD(LLSD& sd, 
+		const BLOCK& block, 
+		const LLInitParam::predicate_rule_t rules = LLInitParam::default_parse_rules(),
+		const LLInitParam::BaseBlock* diff_block = NULL)
+	{
+		if (!diff_block 
+			&& !rules.isAmbivalent(LLInitParam::HAS_DEFAULT_VALUE))
+		{
+			diff_block = &LLInitParam::defaultValue<BLOCK>();
+		}
+		writeSDImpl(sd, block, rules, diff_block);
+	}
 
 	/*virtual*/ std::string getCurrentElementName();
 
 private:
+	void writeSDImpl(LLSD& sd, 
+		const LLInitParam::BaseBlock& block, 
+		const LLInitParam::predicate_rule_t,
+		const LLInitParam::BaseBlock* diff_block);
+
 	void submit(LLInitParam::BaseBlock& block, const LLSD& sd, LLInitParam::Parser::name_stack_t& name_stack);
 
 	template<typename T>
diff --git a/indra/llcommon/llstacktrace.cpp b/indra/llcommon/llstacktrace.cpp
index ccd7ef91c2..e0e9056380 100644
--- a/indra/llcommon/llstacktrace.cpp
+++ b/indra/llcommon/llstacktrace.cpp
@@ -32,7 +32,7 @@
 #include <iostream>
 #include <sstream>
 
-#include "windows.h"
+#include "llwin32headerslean.h"
 #include "Dbghelp.h"
 
 typedef USHORT NTAPI RtlCaptureStackBackTrace_Function(
diff --git a/indra/llcommon/llstat.cpp b/indra/llcommon/llstat.cpp
deleted file mode 100644
index b82d52797e..0000000000
--- a/indra/llcommon/llstat.cpp
+++ /dev/null
@@ -1,1311 +0,0 @@
-/** 
- * @file llstat.cpp
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#include "llstat.h"
-#include "lllivefile.h"
-#include "llerrorcontrol.h"
-#include "llframetimer.h"
-#include "timing.h"
-#include "llsd.h"
-#include "llsdserialize.h"
-#include "llstl.h"
-#include "u64.h"
-
-
-// statics
-S32	            LLPerfBlock::sStatsFlags = LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS;       // Control what is being recorded
-LLPerfBlock::stat_map_t    LLPerfBlock::sStatMap;    // Map full path string to LLStatTime objects, tracks all active objects
-std::string        LLPerfBlock::sCurrentStatPath = "";    // Something like "/total_time/physics/physics step"
-
-//------------------------------------------------------------------------
-// Live config file to trigger stats logging
-static const char    STATS_CONFIG_FILE_NAME[]            = "/dev/shm/simperf/simperf_proc_config.llsd";
-static const F32    STATS_CONFIG_REFRESH_RATE            = 5.0;        // seconds
-
-class LLStatsConfigFile : public LLLiveFile
-{
-public:
-    LLStatsConfigFile()
-        : LLLiveFile(filename(), STATS_CONFIG_REFRESH_RATE),
-        mChanged(false), mStatsp(NULL) { }
-
-    static std::string filename();
-    
-protected:
-    /* virtual */ bool loadFile();
-
-public:
-    void init(LLPerfStats* statsp);
-    static LLStatsConfigFile& instance();
-        // return the singleton stats config file
-
-    bool mChanged;
-
-protected:
-    LLPerfStats*    mStatsp;
-};
-
-std::string LLStatsConfigFile::filename()
-{
-    return STATS_CONFIG_FILE_NAME;
-}
-
-void LLStatsConfigFile::init(LLPerfStats* statsp)
-{
-    mStatsp = statsp;
-}
-
-LLStatsConfigFile& LLStatsConfigFile::instance()
-{
-    static LLStatsConfigFile the_file;
-    return the_file;
-}
-
-
-/* virtual */
-// Load and parse the stats configuration file
-bool LLStatsConfigFile::loadFile()
-{
-    if (!mStatsp)
-    {
-        llwarns << "Tries to load performance configure file without initializing LPerfStats" << llendl;
-        return false;
-    }
-    mChanged = true;
-    
-    LLSD stats_config;
-    {
-        llifstream file(filename().c_str());
-        if (file.is_open())
-        {
-            LLSDSerialize::fromXML(stats_config, file);
-            if (stats_config.isUndefined())
-            {
-                llinfos << "Performance statistics configuration file ill-formed, not recording statistics" << llendl;
-                mStatsp->setReportPerformanceDuration( 0.f );
-                return false;
-            }
-        }
-        else 
-        {    // File went away, turn off stats if it was on
-            if ( mStatsp->frameStatsIsRunning() )
-            {
-                llinfos << "Performance statistics configuration file deleted, not recording statistics" << llendl;
-                mStatsp->setReportPerformanceDuration( 0.f );
-            }
-            return true;
-        }
-    }
-
-    F32 duration = 0.f;
-    F32 interval = 0.f;
-	S32 flags = LLPerfBlock::LLSTATS_BASIC_STATS;
-
-    const char * w = "duration";
-    if (stats_config.has(w))
-    {
-        duration = (F32)stats_config[w].asReal();
-    } 
-    w = "interval";
-    if (stats_config.has(w))
-    {
-        interval = (F32)stats_config[w].asReal();
-    } 
-    w = "flags";
-    if (stats_config.has(w))
-    {
-		flags = (S32)stats_config[w].asInteger();
-		if (flags == LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS &&
-			duration > 0)
-		{   // No flags passed in, but have a duration, so reset to basic stats
-			flags = LLPerfBlock::LLSTATS_BASIC_STATS;
-		}
-    } 
-
-    mStatsp->setReportPerformanceDuration( duration, flags );
-    mStatsp->setReportPerformanceInterval( interval );
-
-    if ( duration > 0 )
-    {
-        if ( interval == 0.f )
-        {
-            llinfos << "Recording performance stats every frame for " << duration << " sec" << llendl;
-        }
-        else
-        {
-            llinfos << "Recording performance stats every " << interval << " seconds for " << duration << " seconds" << llendl;
-        }
-    }
-    else
-    {
-        llinfos << "Performance stats recording turned off" << llendl;
-    }
-	return true;
-}
-
-
-//------------------------------------------------------------------------
-
-LLPerfStats::LLPerfStats(const std::string& process_name, S32 process_pid) : 
-    mFrameStatsFileFailure(FALSE),
-    mSkipFirstFrameStats(FALSE),
-    mProcessName(process_name),
-    mProcessPID(process_pid),
-    mReportPerformanceStatInterval(1.f),
-    mReportPerformanceStatEnd(0.0) 
-{ }
-
-LLPerfStats::~LLPerfStats()
-{
-    LLPerfBlock::clearDynamicStats();
-    mFrameStatsFile.close();
-}
-
-void LLPerfStats::init()
-{
-    // Initialize the stats config file instance.
-    (void) LLStatsConfigFile::instance().init(this);
-    (void) LLStatsConfigFile::instance().checkAndReload();
-}
-
-// Open file for statistics
-void    LLPerfStats::openPerfStatsFile()
-{
-    if ( !mFrameStatsFile
-        && !mFrameStatsFileFailure )
-    {
-        std::string stats_file = llformat("/dev/shm/simperf/%s_proc.%d.llsd", mProcessName.c_str(), mProcessPID);
-        mFrameStatsFile.close();
-        mFrameStatsFile.clear();
-        mFrameStatsFile.open(stats_file, llofstream::out);
-        if ( mFrameStatsFile.fail() )
-        {
-            llinfos << "Error opening statistics log file " << stats_file << llendl;
-            mFrameStatsFileFailure = TRUE;
-        }
-        else
-        {
-            LLSD process_info = LLSD::emptyMap();
-            process_info["name"] = mProcessName;
-            process_info["pid"] = (LLSD::Integer) mProcessPID;
-            process_info["stat_rate"] = (LLSD::Integer) mReportPerformanceStatInterval;
-            // Add process-specific info.
-            addProcessHeaderInfo(process_info);
-
-            mFrameStatsFile << LLSDNotationStreamer(process_info) << std::endl; 
-        }
-    }
-}
-
-// Dump out performance metrics over some time interval
-void LLPerfStats::dumpIntervalPerformanceStats()
-{
-    // Ensure output file is OK
-    openPerfStatsFile();
-
-    if ( mFrameStatsFile )
-    {
-        LLSD stats = LLSD::emptyMap();
-
-        LLStatAccum::TimeScale scale;
-        if ( getReportPerformanceInterval() == 0.f )
-        {
-            scale = LLStatAccum::SCALE_PER_FRAME;
-        }
-        else if ( getReportPerformanceInterval() < 0.5f )
-        {
-            scale = LLStatAccum::SCALE_100MS;
-        }
-        else
-        {
-            scale = LLStatAccum::SCALE_SECOND;
-        }
-
-        // Write LLSD into log
-        stats["utc_time"] = (LLSD::String) LLError::utcTime();
-        stats["timestamp"] = U64_to_str((totalTime() / 1000) + (gUTCOffset * 1000));    // milliseconds since epoch
-        stats["frame_number"] = (LLSD::Integer) LLFrameTimer::getFrameCount();
-
-        // Add process-specific frame info.
-        addProcessFrameInfo(stats, scale);
-        LLPerfBlock::addStatsToLLSDandReset( stats, scale );
-
-        mFrameStatsFile << LLSDNotationStreamer(stats) << std::endl; 
-    }
-}
-
-// Set length of performance stat recording.  
-// If turning stats on, caller must provide flags
-void    LLPerfStats::setReportPerformanceDuration( F32 seconds, S32 flags /* = LLSTATS_NO_OPTIONAL_STATS */ )
-{ 
-	if ( seconds <= 0.f )
-	{
-		mReportPerformanceStatEnd = 0.0;
-		LLPerfBlock::setStatsFlags(LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS);		// Make sure all recording is off
-		mFrameStatsFile.close();
-		LLPerfBlock::clearDynamicStats();
-	}
-	else
-	{
-		mReportPerformanceStatEnd = LLFrameTimer::getElapsedSeconds() + ((F64) seconds);
-		// Clear failure flag to try and create the log file once
-		mFrameStatsFileFailure = FALSE;
-		mSkipFirstFrameStats = TRUE;		// Skip the first report (at the end of this frame)
-		LLPerfBlock::setStatsFlags(flags);
-	}
-}
-
-void LLPerfStats::updatePerFrameStats()
-{
-    (void) LLStatsConfigFile::instance().checkAndReload();
-	static LLFrameTimer performance_stats_timer;
-	if ( frameStatsIsRunning() )
-	{
-		if ( mReportPerformanceStatInterval == 0 )
-		{	// Record info every frame
-			if ( mSkipFirstFrameStats )
-			{	// Skip the first time - was started this frame
-				mSkipFirstFrameStats = FALSE;
-			}
-			else
-			{
-				dumpIntervalPerformanceStats();
-			}
-		}
-		else
-		{
-			performance_stats_timer.setTimerExpirySec( getReportPerformanceInterval() );
-			if (performance_stats_timer.checkExpirationAndReset( mReportPerformanceStatInterval ))
-			{
-				dumpIntervalPerformanceStats();
-			}
-		}
-		
-		if ( LLFrameTimer::getElapsedSeconds() > mReportPerformanceStatEnd )
-		{	// Reached end of time, clear it to stop reporting
-			setReportPerformanceDuration(0.f);			// Don't set mReportPerformanceStatEnd directly	
-            llinfos << "Recording performance stats completed" << llendl;
-		}
-	}
-}
-
-
-//------------------------------------------------------------------------
-
-U64 LLStatAccum::sScaleTimes[NUM_SCALES] =
-{
-	USEC_PER_SEC / 10,				// 100 millisec
-	USEC_PER_SEC * 1,				// seconds
-	USEC_PER_SEC * 60,				// minutes
-#if ENABLE_LONG_TIME_STATS
-	// enable these when more time scales are desired
-	USEC_PER_SEC * 60*60,			// hours
-	USEC_PER_SEC * 24*60*60,		// days
-	USEC_PER_SEC * 7*24*60*60,		// weeks
-#endif
-};
-
-
-
-LLStatAccum::LLStatAccum(bool useFrameTimer)
-	: mUseFrameTimer(useFrameTimer),
-	  mRunning(FALSE),
-	  mLastTime(0),
-	  mLastSampleValue(0.0),
-	  mLastSampleValid(FALSE)
-{
-}
-
-LLStatAccum::~LLStatAccum()
-{
-}
-
-
-
-void LLStatAccum::reset(U64 when)
-{
-	mRunning = TRUE;
-	mLastTime = when;
-
-	for (int i = 0; i < NUM_SCALES; ++i)
-	{
-		mBuckets[i].accum = 0.0;
-		mBuckets[i].endTime = when + sScaleTimes[i];
-		mBuckets[i].lastValid = false;
-	}
-}
-
-void LLStatAccum::sum(F64 value)
-{
-	sum(value, getCurrentUsecs());
-}
-
-void LLStatAccum::sum(F64 value, U64 when)
-{
-	if (!mRunning)
-	{
-		reset(when);
-		return;
-	}
-	if (when < mLastTime)
-	{
-		// This happens a LOT on some dual core systems.
-		lldebugs << "LLStatAccum::sum clock has gone backwards from "
-			<< mLastTime << " to " << when << ", resetting" << llendl;
-
-		reset(when);
-		return;
-	}
-
-	// how long is this value for
-	U64 timeSpan = when - mLastTime;
-
-	for (int i = 0; i < NUM_SCALES; ++i)
-	{
-		Bucket& bucket = mBuckets[i];
-
-		if (when < bucket.endTime)
-		{
-			bucket.accum += value;
-		}
-		else
-		{
-			U64 timeScale = sScaleTimes[i];
-
-			U64 timeLeft = when - bucket.endTime;
-				// how much time is left after filling this bucket
-			
-			if (timeLeft < timeScale)
-			{
-				F64 valueLeft = value * timeLeft / timeSpan;
-
-				bucket.lastValid = true;
-				bucket.lastAccum = bucket.accum + (value - valueLeft);
-				bucket.accum = valueLeft;
-				bucket.endTime += timeScale;
-			}
-			else
-			{
-				U64 timeTail = timeLeft % timeScale;
-
-				bucket.lastValid = true;
-				bucket.lastAccum = value * timeScale / timeSpan;
-				bucket.accum = value * timeTail / timeSpan;
-				bucket.endTime += (timeLeft - timeTail) + timeScale;
-			}
-		}
-	}
-
-	mLastTime = when;
-}
-
-
-F32 LLStatAccum::meanValue(TimeScale scale) const
-{
-	if (!mRunning)
-	{
-		return 0.0;
-	}
-	if ( scale == SCALE_PER_FRAME )
-	{	// Per-frame not supported here
-		scale = SCALE_100MS;
-	}
-
-	if (scale < 0 || scale >= NUM_SCALES)
-	{
-		llwarns << "llStatAccum::meanValue called for unsupported scale: "
-			<< scale << llendl;
-		return 0.0;
-	}
-
-	const Bucket& bucket = mBuckets[scale];
-
-	F64 value = bucket.accum;
-	U64 timeLeft = bucket.endTime - mLastTime;
-	U64 scaleTime = sScaleTimes[scale];
-
-	if (bucket.lastValid)
-	{
-		value += bucket.lastAccum * timeLeft / scaleTime;
-	}
-	else if (timeLeft < scaleTime)
-	{
-		value *= scaleTime / (scaleTime - timeLeft);
-	}
-	else
-	{
-		value = 0.0;
-	}
-
-	return (F32)(value / scaleTime);
-}
-
-
-U64 LLStatAccum::getCurrentUsecs() const
-{
-	if (mUseFrameTimer)
-	{
-		return LLFrameTimer::getTotalTime();
-	}
-	else
-	{
-		return totalTime();
-	}
-}
-
-
-// ------------------------------------------------------------------------
-
-LLStatRate::LLStatRate(bool use_frame_timer)
-	: LLStatAccum(use_frame_timer)
-{
-}
-
-void LLStatRate::count(U32 value)
-{
-	sum((F64)value * sScaleTimes[SCALE_SECOND]);
-}
-
-
-void LLStatRate::mark()
- { 
-	// Effectively the same as count(1), but sets mLastSampleValue
-	U64 when = getCurrentUsecs();
-
-	if ( mRunning 
-		 && (when > mLastTime) )
-	{	// Set mLastSampleValue to the time from the last mark()
-		F64 duration = ((F64)(when - mLastTime)) / sScaleTimes[SCALE_SECOND];
-		if ( duration > 0.0 )
-		{
-			mLastSampleValue = 1.0 / duration;
-		}
-		else
-		{
-			mLastSampleValue = 0.0;
-		}
-	}
-
-	sum( (F64) sScaleTimes[SCALE_SECOND], when);
- }
-
-
-// ------------------------------------------------------------------------
-
-
-LLStatMeasure::LLStatMeasure(bool use_frame_timer)
-	: LLStatAccum(use_frame_timer)
-{
-}
-
-void LLStatMeasure::sample(F64 value)
-{
-	U64 when = getCurrentUsecs();
-
-	if (mLastSampleValid)
-	{
-		F64 avgValue = (value + mLastSampleValue) / 2.0;
-		F64 interval = (F64)(when - mLastTime);
-
-		sum(avgValue * interval, when);
-	}
-	else
-	{
-		reset(when);
-	}
-
-	mLastSampleValid = TRUE;
-	mLastSampleValue = value;
-}
-
-
-// ------------------------------------------------------------------------
-
-LLStatTime::LLStatTime(const std::string & key)
-	: LLStatAccum(false),
-	  mFrameNumber(LLFrameTimer::getFrameCount()),
-	  mTotalTimeInFrame(0),
-	  mKey(key)
-#if LL_DEBUG
-	  , mRunning(FALSE)
-#endif
-{
-}
-
-void LLStatTime::start()
-{
-	// Reset frame accumluation if the frame number has changed
-	U32 frame_number = LLFrameTimer::getFrameCount();
-	if ( frame_number != mFrameNumber )
-	{
-		mFrameNumber = frame_number;
-		mTotalTimeInFrame = 0;
-	}
-
-	sum(0.0);
-
-#if LL_DEBUG
-	// Shouldn't be running already
-	llassert( !mRunning );
-	mRunning = TRUE;
-#endif
-}
-
-void LLStatTime::stop()
-{
-	U64 end_time = getCurrentUsecs();
-	U64 duration = end_time - mLastTime;
-	sum(F64(duration), end_time);
-	//llinfos << "mTotalTimeInFrame incremented from  " << mTotalTimeInFrame << " to " << (mTotalTimeInFrame + duration) << llendl; 
-	mTotalTimeInFrame += duration;
-
-#if LL_DEBUG
-	mRunning = FALSE;
-#endif
-}
-
-/* virtual */ F32 LLStatTime::meanValue(TimeScale scale) const
-{
-    if ( LLStatAccum::SCALE_PER_FRAME == scale )
-    {
-        return (F32)mTotalTimeInFrame;
-    }
-    else
-    {
-        return LLStatAccum::meanValue(scale);
-    }
-}
-
-
-// ------------------------------------------------------------------------
-
-
-// Use this constructor for pre-defined LLStatTime objects
-LLPerfBlock::LLPerfBlock(LLStatTime* stat ) : mPredefinedStat(stat), mDynamicStat(NULL)
-{
-    if (mPredefinedStat)
-    {
-        // If dynamic stats are turned on, this will create a separate entry in the stat map.
-        initDynamicStat(mPredefinedStat->mKey);
-
-        // Start predefined stats.  These stats are not part of the stat map.
-        mPredefinedStat->start();
-    }
-}
-
-// Use this constructor for normal, optional LLPerfBlock time slices
-LLPerfBlock::LLPerfBlock( const char* key ) : mPredefinedStat(NULL), mDynamicStat(NULL)
-{
-    if ((sStatsFlags & LLSTATS_BASIC_STATS) == 0)
-	{	// These are off unless the base set is enabled
-		return;
-	}
-
-	initDynamicStat(key);
-}
-
-	
-// Use this constructor for dynamically created LLPerfBlock time slices
-// that are only enabled by specific control flags
-LLPerfBlock::LLPerfBlock( const char* key1, const char* key2, S32 flags ) : mPredefinedStat(NULL), mDynamicStat(NULL)
-{
-    if ((sStatsFlags & flags) == 0)
-	{
-		return;
-	}
-
-    if (NULL == key2 || strlen(key2) == 0)
-    {
-        initDynamicStat(key1);
-    }
-    else
-    {
-        std::ostringstream key;
-        key << key1 << "_" << key2;
-        initDynamicStat(key.str());
-    }
-}
-
-// Set up the result data map if dynamic stats are enabled
-void LLPerfBlock::initDynamicStat(const std::string& key)
-{
-    // Early exit if dynamic stats aren't enabled.
-    if (sStatsFlags == LLSTATS_NO_OPTIONAL_STATS) 
-		return;
-
-    mLastPath = sCurrentStatPath;		// Save and restore current path
-    sCurrentStatPath += "/" + key;		// Add key to current path
-
-    // See if the LLStatTime object already exists
-    stat_map_t::iterator iter = sStatMap.find(sCurrentStatPath);
-    if ( iter == sStatMap.end() )
-    {
-        // StatEntry object doesn't exist, so create it
-        mDynamicStat = new StatEntry( key );
-        sStatMap[ sCurrentStatPath ] = mDynamicStat;	// Set the entry for this path
-    }
-    else
-    {
-        // Found this path in the map, use the object there
-        mDynamicStat = (*iter).second;		// Get StatEntry for the current path
-    }
-
-    if (mDynamicStat)
-    {
-        mDynamicStat->mStat.start();
-        mDynamicStat->mCount++;
-    }
-    else
-    {
-        llwarns << "Initialized NULL dynamic stat at '" << sCurrentStatPath << "'" << llendl;
-       sCurrentStatPath = mLastPath;
-    }
-}
-
-
-// Destructor does the time accounting
-LLPerfBlock::~LLPerfBlock()
-{
-    if (mPredefinedStat) mPredefinedStat->stop();
-    if (mDynamicStat)
-    {
-        mDynamicStat->mStat.stop();
-        sCurrentStatPath = mLastPath;	// Restore the path in case sStatsEnabled changed during this block
-    }
-}
-
-
-// Clear the map of any dynamic stats.  Static routine
-void LLPerfBlock::clearDynamicStats()
-{
-    std::for_each(sStatMap.begin(), sStatMap.end(), DeletePairedPointer());
-    sStatMap.clear();
-}
-
-// static - Extract the stat info into LLSD
-void LLPerfBlock::addStatsToLLSDandReset( LLSD & stats,
-										  LLStatAccum::TimeScale scale )
-{
-    // If we aren't in per-frame scale, we need to go from second to microsecond.
-    U32 scale_adjustment = 1;
-    if (LLStatAccum::SCALE_PER_FRAME != scale)
-    {
-        scale_adjustment = USEC_PER_SEC;
-    }
-	stat_map_t::iterator iter = sStatMap.begin();
-	for ( ; iter != sStatMap.end(); ++iter )
-	{	// Put the entry into LLSD "/full/path/to/stat/" = microsecond total time
-		const std::string & stats_full_path = (*iter).first;
-
-		StatEntry * stat = (*iter).second;
-		if (stat)
-		{
-            if (stat->mCount > 0)
-            {
-                stats[stats_full_path] = LLSD::emptyMap();
-                stats[stats_full_path]["us"] = (LLSD::Integer) (scale_adjustment * stat->mStat.meanValue(scale));
-                if (stat->mCount > 1)
-                {
-                    stats[stats_full_path]["count"] = (LLSD::Integer) stat->mCount;
-                }
-                stat->mCount = 0;
-            }
-		}
-		else
-		{	// Shouldn't have a NULL pointer in the map.
-            llwarns << "Unexpected NULL dynamic stat at '" << stats_full_path << "'" << llendl;
-		}
-	}	
-}
-
-
-// ------------------------------------------------------------------------
-
-LLTimer LLStat::sTimer;
-LLFrameTimer LLStat::sFrameTimer;
-
-void LLStat::init()
-{
-	llassert(mNumBins > 0);
-	mNumValues = 0;
-	mLastValue = 0.f;
-	mLastTime = 0.f;
-	mCurBin = (mNumBins-1);
-	mNextBin = 0;
-	mBins      = new F32[mNumBins];
-	mBeginTime = new F64[mNumBins];
-	mTime      = new F64[mNumBins];
-	mDT        = new F32[mNumBins];
-	for (U32 i = 0; i < mNumBins; i++)
-	{
-		mBins[i]      = 0.f;
-		mBeginTime[i] = 0.0;
-		mTime[i]      = 0.0;
-		mDT[i]        = 0.f;
-	}
-
-	if (!mName.empty())
-	{
-		stat_map_t::iterator iter = getStatList().find(mName);
-		if (iter != getStatList().end())
-			llwarns << "LLStat with duplicate name: " << mName << llendl;
-		getStatList().insert(std::make_pair(mName, this));
-	}
-}
-
-LLStat::stat_map_t& LLStat::getStatList()
-{
-	static LLStat::stat_map_t stat_list;
-	return stat_list;
-}
-
-LLStat::LLStat(const U32 num_bins, const BOOL use_frame_timer)
-	: mUseFrameTimer(use_frame_timer),
-	  mNumBins(num_bins)
-{
-	init();
-}
-
-LLStat::LLStat(std::string name, U32 num_bins, BOOL use_frame_timer)
-	: mUseFrameTimer(use_frame_timer),
-	  mNumBins(num_bins),
-	  mName(name)
-{
-	init();
-}
-
-LLStat::~LLStat()
-{
-	delete[] mBins;
-	delete[] mBeginTime;
-	delete[] mTime;
-	delete[] mDT;
-
-	if (!mName.empty())
-	{
-		// handle multiple entries with the same name
-		stat_map_t::iterator iter = getStatList().find(mName);
-		while (iter != getStatList().end() && iter->second != this)
-			++iter;
-		getStatList().erase(iter);
-	}
-}
-
-void LLStat::reset()
-{
-	U32 i;
-
-	mNumValues = 0;
-	mLastValue = 0.f;
-	mCurBin = (mNumBins-1);
-	delete[] mBins;
-	delete[] mBeginTime;
-	delete[] mTime;
-	delete[] mDT;
-	mBins      = new F32[mNumBins];
-	mBeginTime = new F64[mNumBins];
-	mTime      = new F64[mNumBins];
-	mDT        = new F32[mNumBins];
-	for (i = 0; i < mNumBins; i++)
-	{
-		mBins[i]      = 0.f;
-		mBeginTime[i] = 0.0;
-		mTime[i]      = 0.0;
-		mDT[i]        = 0.f;
-	}
-}
-
-void LLStat::setBeginTime(const F64 time)
-{
-	mBeginTime[mNextBin] = time;
-}
-
-void LLStat::addValueTime(const F64 time, const F32 value)
-{
-	if (mNumValues < mNumBins)
-	{
-		mNumValues++;
-	}
-
-	// Increment the bin counters.
-	mCurBin++;
-	if ((U32)mCurBin == mNumBins)
-	{
-		mCurBin = 0;
-	}
-	mNextBin++;
-	if ((U32)mNextBin == mNumBins)
-	{
-		mNextBin = 0;
-	}
-
-	mBins[mCurBin] = value;
-	mTime[mCurBin] = time;
-	mDT[mCurBin] = (F32)(mTime[mCurBin] - mBeginTime[mCurBin]);
-	//this value is used to prime the min/max calls
-	mLastTime = mTime[mCurBin];
-	mLastValue = value;
-
-	// Set the begin time for the next stat segment.
-	mBeginTime[mNextBin] = mTime[mCurBin];
-	mTime[mNextBin] = mTime[mCurBin];
-	mDT[mNextBin] = 0.f;
-}
-
-void LLStat::start()
-{
-	if (mUseFrameTimer)
-	{
-		mBeginTime[mNextBin] = sFrameTimer.getElapsedSeconds();
-	}
-	else
-	{
-		mBeginTime[mNextBin] = sTimer.getElapsedTimeF64();
-	}
-}
-
-void LLStat::addValue(const F32 value)
-{
-	if (mNumValues < mNumBins)
-	{
-		mNumValues++;
-	}
-
-	// Increment the bin counters.
-	mCurBin++;
-	if ((U32)mCurBin == mNumBins)
-	{
-		mCurBin = 0;
-	}
-	mNextBin++;
-	if ((U32)mNextBin == mNumBins)
-	{
-		mNextBin = 0;
-	}
-
-	mBins[mCurBin] = value;
-	if (mUseFrameTimer)
-	{
-		mTime[mCurBin] = sFrameTimer.getElapsedSeconds();
-	}
-	else
-	{
-		mTime[mCurBin] = sTimer.getElapsedTimeF64();
-	}
-	mDT[mCurBin] = (F32)(mTime[mCurBin] - mBeginTime[mCurBin]);
-
-	//this value is used to prime the min/max calls
-	mLastTime = mTime[mCurBin];
-	mLastValue = value;
-
-	// Set the begin time for the next stat segment.
-	mBeginTime[mNextBin] = mTime[mCurBin];
-	mTime[mNextBin] = mTime[mCurBin];
-	mDT[mNextBin] = 0.f;
-}
-
-
-F32 LLStat::getMax() const
-{
-	U32 i;
-	F32 current_max = mLastValue;
-	if (mNumBins == 0)
-	{
-		current_max = 0.f;
-	}
-	else
-	{
-		for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
-		{
-			// Skip the bin we're currently filling.
-			if (i == (U32)mNextBin)
-			{
-				continue;
-			}
-			if (mBins[i] > current_max)
-			{
-				current_max = mBins[i];
-			}
-		}
-	}
-	return current_max;
-}
-
-F32 LLStat::getMean() const
-{
-	U32 i;
-	F32 current_mean = 0.f;
-	U32 samples = 0;
-	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
-		{
-			continue;
-		}
-		current_mean += mBins[i];
-		samples++;
-	}
-
-	// There will be a wrap error at 2^32. :)
-	if (samples != 0)
-	{
-		current_mean /= samples;
-	}
-	else
-	{
-		current_mean = 0.f;
-	}
-	return current_mean;
-}
-
-F32 LLStat::getMin() const
-{
-	U32 i;
-	F32 current_min = mLastValue;
-
-	if (mNumBins == 0)
-	{
-		current_min = 0.f;
-	}
-	else
-	{
-		for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
-		{
-			// Skip the bin we're currently filling.
-			if (i == (U32)mNextBin)
-			{
-				continue;
-			}
-			if (mBins[i] < current_min)
-			{
-				current_min = mBins[i];
-			}
-		}
-	}
-	return current_min;
-}
-
-F32 LLStat::getSum() const
-{
-	U32 i;
-	F32 sum = 0.f;
-	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
-		{
-			continue;
-		}
-		sum += mBins[i];
-	}
-
-	return sum;
-}
-
-F32 LLStat::getSumDuration() const
-{
-	U32 i;
-	F32 sum = 0.f;
-	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
-		{
-			continue;
-		}
-		sum += mDT[i];
-	}
-
-	return sum;
-}
-
-F32 LLStat::getPrev(S32 age) const
-{
-	S32 bin;
-	bin = mCurBin - age;
-
-	while (bin < 0)
-	{
-		bin += mNumBins;
-	}
-
-	if (bin == mNextBin)
-	{
-		// Bogus for bin we're currently working on.
-		return 0.f;
-	}
-	return mBins[bin];
-}
-
-F32 LLStat::getPrevPerSec(S32 age) const
-{
-	S32 bin;
-	bin = mCurBin - age;
-
-	while (bin < 0)
-	{
-		bin += mNumBins;
-	}
-
-	if (bin == mNextBin)
-	{
-		// Bogus for bin we're currently working on.
-		return 0.f;
-	}
-	return mBins[bin] / mDT[bin];
-}
-
-F64 LLStat::getPrevBeginTime(S32 age) const
-{
-	S32 bin;
-	bin = mCurBin - age;
-
-	while (bin < 0)
-	{
-		bin += mNumBins;
-	}
-
-	if (bin == mNextBin)
-	{
-		// Bogus for bin we're currently working on.
-		return 0.f;
-	}
-
-	return mBeginTime[bin];
-}
-
-F64 LLStat::getPrevTime(S32 age) const
-{
-	S32 bin;
-	bin = mCurBin - age;
-
-	while (bin < 0)
-	{
-		bin += mNumBins;
-	}
-
-	if (bin == mNextBin)
-	{
-		// Bogus for bin we're currently working on.
-		return 0.f;
-	}
-
-	return mTime[bin];
-}
-
-F32 LLStat::getBin(S32 bin) const
-{
-	return mBins[bin];
-}
-
-F32 LLStat::getBinPerSec(S32 bin) const
-{
-	return mBins[bin] / mDT[bin];
-}
-
-F64 LLStat::getBinBeginTime(S32 bin) const
-{
-	return mBeginTime[bin];
-}
-
-F64 LLStat::getBinTime(S32 bin) const
-{
-	return mTime[bin];
-}
-
-F32 LLStat::getCurrent() const
-{
-	return mBins[mCurBin];
-}
-
-F32 LLStat::getCurrentPerSec() const
-{
-	return mBins[mCurBin] / mDT[mCurBin];
-}
-
-F64 LLStat::getCurrentBeginTime() const
-{
-	return mBeginTime[mCurBin];
-}
-
-F64 LLStat::getCurrentTime() const
-{
-	return mTime[mCurBin];
-}
-
-F32 LLStat::getCurrentDuration() const
-{
-	return mDT[mCurBin];
-}
-
-F32 LLStat::getMeanPerSec() const
-{
-	U32 i;
-	F32 value = 0.f;
-	F32 dt    = 0.f;
-
-	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
-		{
-			continue;
-		}
-		value += mBins[i];
-		dt    += mDT[i];
-	}
-
-	if (dt > 0.f)
-	{
-		return value/dt;
-	}
-	else
-	{
-		return 0.f;
-	}
-}
-
-F32 LLStat::getMeanDuration() const
-{
-	F32 dur = 0.0f;
-	U32 count = 0;
-	for (U32 i=0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		if (i == (U32)mNextBin)
-		{
-			continue;
-		}
-		dur += mDT[i];
-		count++;
-	}
-
-	if (count > 0)
-	{
-		dur /= F32(count);
-		return dur;
-	}
-	else
-	{
-		return 0.f;
-	}
-}
-
-F32 LLStat::getMaxPerSec() const
-{
-	U32 i;
-	F32 value;
-
-	if (mNextBin != 0)
-	{
-		value = mBins[0]/mDT[0];
-	}
-	else if (mNumValues > 0)
-	{
-		value = mBins[1]/mDT[1];
-	}
-	else
-	{
-		value = 0.f;
-	}
-
-	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
-		{
-			continue;
-		}
-		value = llmax(value, mBins[i]/mDT[i]);
-	}
-	return value;
-}
-
-F32 LLStat::getMinPerSec() const
-{
-	U32 i;
-	F32 value;
-	
-	if (mNextBin != 0)
-	{
-		value = mBins[0]/mDT[0];
-	}
-	else if (mNumValues > 0)
-	{
-		value = mBins[1]/mDT[1];
-	}
-	else
-	{
-		value = 0.f;
-	}
-
-	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
-		{
-			continue;
-		}
-		value = llmin(value, mBins[i]/mDT[i]);
-	}
-	return value;
-}
-
-F32 LLStat::getMinDuration() const
-{
-	F32 dur = 0.0f;
-	for (U32 i=0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		dur = llmin(dur, mDT[i]);
-	}
-	return dur;
-}
-
-U32 LLStat::getNumValues() const
-{
-	return mNumValues;
-}
-
-S32 LLStat::getNumBins() const
-{
-	return mNumBins;
-}
-
-S32 LLStat::getCurBin() const
-{
-	return mCurBin;
-}
-
-S32 LLStat::getNextBin() const
-{
-	return mNextBin;
-}
-
-F64 LLStat::getLastTime() const
-{
-	return mLastTime;
-}
diff --git a/indra/llcommon/llstat.h b/indra/llcommon/llstat.h
deleted file mode 100644
index 1a8404cc07..0000000000
--- a/indra/llcommon/llstat.h
+++ /dev/null
@@ -1,353 +0,0 @@
-/** 
- * @file llstat.h
- * @brief Runtime statistics accumulation.
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLSTAT_H
-#define LL_LLSTAT_H
-
-#include <deque>
-#include <map>
-
-#include "lltimer.h"
-#include "llframetimer.h"
-#include "llfile.h"
-
-class	LLSD;
-
-// Set this if longer stats are needed
-#define ENABLE_LONG_TIME_STATS	0
-
-//
-// Accumulates statistics for an arbitrary length of time.
-// Does this by maintaining a chain of accumulators, each one
-// accumulation the results of the parent.  Can scale to arbitrary
-// amounts of time with very low memory cost.
-//
-
-class LL_COMMON_API LLStatAccum
-{
-protected:
-	LLStatAccum(bool use_frame_timer);
-	virtual ~LLStatAccum();
-
-public:
-	enum TimeScale {
-		SCALE_100MS,
-		SCALE_SECOND,
-		SCALE_MINUTE,
-#if ENABLE_LONG_TIME_STATS
-		SCALE_HOUR,
-		SCALE_DAY,
-		SCALE_WEEK,
-#endif
-		NUM_SCALES,			// Use to size storage arrays
-		SCALE_PER_FRAME		// For latest frame information - should be after NUM_SCALES since this doesn't go into the time buckets
-	};
-
-	static U64 sScaleTimes[NUM_SCALES];
-
-	virtual F32 meanValue(TimeScale scale) const;
-		// see the subclasses for the specific meaning of value
-
-	F32 meanValueOverLast100ms()  const { return meanValue(SCALE_100MS);  }
-	F32 meanValueOverLastSecond() const	{ return meanValue(SCALE_SECOND); }
-	F32 meanValueOverLastMinute() const	{ return meanValue(SCALE_MINUTE); }
-
-	void reset(U64 when);
-
-	void sum(F64 value);
-	void sum(F64 value, U64 when);
-
-	U64 getCurrentUsecs() const;
-		// Get current microseconds based on timer type
-
-	BOOL	mUseFrameTimer;
-	BOOL	mRunning;
-
-	U64		mLastTime;
-	
-	struct Bucket
-	{
-		Bucket() :
-			accum(0.0),
-			endTime(0),
-			lastValid(false),
-			lastAccum(0.0)
-		{}
-
-		F64	accum;
-		U64	endTime;
-
-		bool	lastValid;
-		F64	lastAccum;
-	};
-
-	Bucket	mBuckets[NUM_SCALES];
-
-	BOOL 	mLastSampleValid;
-	F64 	mLastSampleValue;
-};
-
-class LL_COMMON_API LLStatMeasure : public LLStatAccum
-	// gathers statistics about things that are measured
-	// ex.: tempature, time dilation
-{
-public:
-	LLStatMeasure(bool use_frame_timer = true);
-
-	void sample(F64);
-	void sample(S32 v) { sample((F64)v); }
-	void sample(U32 v) { sample((F64)v); }
-	void sample(S64 v) { sample((F64)v); }
-	void sample(U64 v) { sample((F64)v); }
-};
-
-
-class LL_COMMON_API LLStatRate : public LLStatAccum
-	// gathers statistics about things that can be counted over time
-	// ex.: LSL instructions executed, messages sent, simulator frames completed
-	// renders it in terms of rate of thing per second
-{
-public:
-	LLStatRate(bool use_frame_timer = true);
-
-	void count(U32);
-		// used to note that n items have occured
-	
-	void mark();
-		// used for counting the rate thorugh a point in the code
-};
-
-
-class LL_COMMON_API LLStatTime : public LLStatAccum
-	// gathers statistics about time spent in a block of code
-	// measure average duration per second in the block
-{
-public:
-	LLStatTime( const std::string & key = "undefined" );
-
-	U32		mFrameNumber;		// Current frame number
-	U64		mTotalTimeInFrame;	// Total time (microseconds) accumulated during the last frame
-
-	void	setKey( const std::string & key )		{ mKey = key;	};
-
-	virtual F32 meanValue(TimeScale scale) const;
-
-private:
-	void start();				// Start and stop measuring time block
-	void stop();
-
-	std::string		mKey;		// Tag representing this time block
-
-#if LL_DEBUG
-	BOOL			mRunning;	// TRUE if start() has been called
-#endif
-
-	friend class LLPerfBlock;
-};
-
-// ----------------------------------------------------------------------------
-
-
-// Use this class on the stack to record statistics about an area of code
-class LL_COMMON_API LLPerfBlock
-{
-public:
-    struct StatEntry
-    {
-            StatEntry(const std::string& key) : mStat(LLStatTime(key)), mCount(0) {}
-            LLStatTime  mStat;
-            U32         mCount;
-    };
-    typedef std::map<std::string, StatEntry*>		stat_map_t;
-
-	// Use this constructor for pre-defined LLStatTime objects
-	LLPerfBlock(LLStatTime* stat);
-
-	// Use this constructor for normal, optional LLPerfBlock time slices
-	LLPerfBlock( const char* key );
-
-	// Use this constructor for dynamically created LLPerfBlock time slices
-	// that are only enabled by specific control flags
-	LLPerfBlock( const char* key1, const char* key2, S32 flags = LLSTATS_BASIC_STATS );
-
-	~LLPerfBlock();
-
-	enum
-	{	// Stats bitfield flags
-		LLSTATS_NO_OPTIONAL_STATS	= 0x00,		// No optional stats gathering, just pre-defined LLStatTime objects
-		LLSTATS_BASIC_STATS			= 0x01,		// Gather basic optional runtime stats
-		LLSTATS_SCRIPT_FUNCTIONS	= 0x02,		// Include LSL function calls
-	};
-	static void setStatsFlags( S32 flags )	{ sStatsFlags = flags;	};
-	static S32  getStatsFlags()				{ return sStatsFlags;	};
-
-	static void clearDynamicStats();		// Reset maps to clear out dynamic objects
-	static void addStatsToLLSDandReset( LLSD & stats,		// Get current information and clear time bin
-										LLStatAccum::TimeScale scale );
-
-private:
-	// Initialize dynamically created LLStatTime objects
-    void initDynamicStat(const std::string& key);
-
-	std::string				mLastPath;				// Save sCurrentStatPath when this is called
-	LLStatTime * 			mPredefinedStat;		// LLStatTime object to get data
-	StatEntry *				mDynamicStat;   		// StatEntryobject to get data
-
-	static S32				sStatsFlags;			// Control what is being recorded
-    static stat_map_t		sStatMap;				// Map full path string to LLStatTime objects
-	static std::string		sCurrentStatPath;		// Something like "frame/physics/physics step"
-};
-
-// ----------------------------------------------------------------------------
-
-class LL_COMMON_API LLPerfStats
-{
-public:
-    LLPerfStats(const std::string& process_name = "unknown", S32 process_pid = 0);
-    virtual ~LLPerfStats();
-
-    virtual void init();    // Reset and start all stat timers
-    virtual void updatePerFrameStats();
-    // Override these function to add process-specific information to the performance log header and per-frame logging.
-    virtual void addProcessHeaderInfo(LLSD& info) { /* not implemented */ }
-    virtual void addProcessFrameInfo(LLSD& info, LLStatAccum::TimeScale scale) { /* not implemented */ }
-
-    // High-resolution frame stats
-    BOOL    frameStatsIsRunning()                                { return (mReportPerformanceStatEnd > 0.);        };
-    F32     getReportPerformanceInterval() const                { return mReportPerformanceStatInterval;        };
-    void    setReportPerformanceInterval( F32 interval )        { mReportPerformanceStatInterval = interval;    };
-    void    setReportPerformanceDuration( F32 seconds, S32 flags = LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS );
-    void    setProcessName(const std::string& process_name) { mProcessName = process_name; }
-    void    setProcessPID(S32 process_pid) { mProcessPID = process_pid; }
-
-protected:
-    void    openPerfStatsFile();                    // Open file for high resolution metrics logging
-    void    dumpIntervalPerformanceStats();
-
-    llofstream      mFrameStatsFile;            // File for per-frame stats
-    BOOL            mFrameStatsFileFailure;        // Flag to prevent repeat opening attempts
-    BOOL            mSkipFirstFrameStats;        // Flag to skip one (partial) frame report
-    std::string     mProcessName;
-    S32             mProcessPID;
-
-private:
-    F32 mReportPerformanceStatInterval;    // Seconds between performance stats
-    F64 mReportPerformanceStatEnd;        // End time (seconds) for performance stats
-};
-
-// ----------------------------------------------------------------------------
-class LL_COMMON_API LLStat
-{
-private:
-	typedef std::multimap<std::string, LLStat*> stat_map_t;
-
-	void init();
-	static stat_map_t& getStatList();
-
-public:
-	LLStat(U32 num_bins = 32, BOOL use_frame_timer = FALSE);
-	LLStat(std::string name, U32 num_bins = 32, BOOL use_frame_timer = FALSE);
-	~LLStat();
-
-	void reset();
-
-	void start();	// Start the timer for the current "frame", otherwise uses the time tracked from
-					// the last addValue
-	void addValue(const F32 value = 1.f); // Adds the current value being tracked, and tracks the DT.
-	void addValue(const S32 value) { addValue((F32)value); }
-	void addValue(const U32 value) { addValue((F32)value); }
-
-	void setBeginTime(const F64 time);
-	void addValueTime(const F64 time, const F32 value = 1.f);
-	
-	S32 getCurBin() const;
-	S32 getNextBin() const;
-	
-	F32 getCurrent() const;
-	F32 getCurrentPerSec() const;
-	F64 getCurrentBeginTime() const;
-	F64 getCurrentTime() const;
-	F32 getCurrentDuration() const;
-	
-	F32 getPrev(S32 age) const;				// Age is how many "addValues" previously - zero is current
-	F32 getPrevPerSec(S32 age) const;		// Age is how many "addValues" previously - zero is current
-	F64 getPrevBeginTime(S32 age) const;
-	F64 getPrevTime(S32 age) const;
-	
-	F32 getBin(S32 bin) const;
-	F32 getBinPerSec(S32 bin) const;
-	F64 getBinBeginTime(S32 bin) const;
-	F64 getBinTime(S32 bin) const;
-
-	F32 getMax() const;
-	F32 getMaxPerSec() const;
-	
-	F32 getMean() const;
-	F32 getMeanPerSec() const;
-	F32 getMeanDuration() const;
-
-	F32 getMin() const;
-	F32 getMinPerSec() const;
-	F32 getMinDuration() const;
-
-	F32 getSum() const;
-	F32 getSumDuration() const;
-
-	U32 getNumValues() const;
-	S32 getNumBins() const;
-
-	F64 getLastTime() const;
-private:
-	BOOL mUseFrameTimer;
-	U32 mNumValues;
-	U32 mNumBins;
-	F32 mLastValue;
-	F64 mLastTime;
-	F32 *mBins;
-	F64 *mBeginTime;
-	F64 *mTime;
-	F32 *mDT;
-	S32 mCurBin;
-	S32 mNextBin;
-	
-	std::string mName;
-
-	static LLTimer sTimer;
-	static LLFrameTimer sFrameTimer;
-	
-public:
-	static LLStat* getStat(const std::string& name)
-	{
-		// return the first stat that matches 'name'
-		stat_map_t::iterator iter = getStatList().find(name);
-		if (iter != getStatList().end())
-			return iter->second;
-		else
-			return NULL;
-	}
-};
-	
-#endif // LL_STAT_
diff --git a/indra/llcommon/llstatenums.h b/indra/llcommon/llstatenums.h
index 81c4085d16..ab9b6709e8 100644
--- a/indra/llcommon/llstatenums.h
+++ b/indra/llcommon/llstatenums.h
@@ -26,7 +26,7 @@
 #ifndef LL_LLSTATENUMS_H
 #define LL_LLSTATENUMS_H
 
-enum
+enum ESimStatID
 {
 	LL_SIM_STAT_TIME_DILATION         =  0,
 	LL_SIM_STAT_FPS                   =  1,
diff --git a/indra/llcommon/llstring.cpp b/indra/llcommon/llstring.cpp
index 0c32679744..67bbc58bf5 100644
--- a/indra/llcommon/llstring.cpp
+++ b/indra/llcommon/llstring.cpp
@@ -28,11 +28,10 @@
 
 #include "llstring.h"
 #include "llerror.h"
+#include "llfasttimer.h"
 
 #if LL_WINDOWS
-#define WIN32_LEAN_AND_MEAN
-#include <winsock2.h>
-#include <windows.h>
+#include "llwin32headerslean.h"
 #include <winnls.h> // for WideCharToMultiByte
 #endif
 
diff --git a/indra/llcommon/llstring.h b/indra/llcommon/llstring.h
index 119efc7957..9d81ac25dd 100644
--- a/indra/llcommon/llstring.h
+++ b/indra/llcommon/llstring.h
@@ -31,8 +31,9 @@
 #include <cstdio>
 #include <locale>
 #include <iomanip>
+#include <algorithm>
 #include "llsd.h"
-#include "llfasttimer.h"
+#include "llformat.h"
 
 #if LL_LINUX || LL_SOLARIS
 #include <wctype.h>
diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp
index 6073bcd0a6..00b72ce1d8 100644
--- a/indra/llcommon/llsys.cpp
+++ b/indra/llcommon/llsys.cpp
@@ -42,6 +42,7 @@
 #include "llprocessor.h"
 #include "llerrorcontrol.h"
 #include "llevents.h"
+#include "llformat.h"
 #include "lltimer.h"
 #include "llsdserialize.h"
 #include "llsdutil.h"
@@ -58,9 +59,7 @@
 using namespace llsd;
 
 #if LL_WINDOWS
-#	define WIN32_LEAN_AND_MEAN
-#	include <winsock2.h>
-#	include <windows.h>
+#	include "llwin32headerslean.h"
 #   include <psapi.h>               // GetPerformanceInfo() et al.
 #elif LL_DARWIN
 #	include <errno.h>
diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp
index 1d56a52c32..1c86eb4f06 100644
--- a/indra/llcommon/llthread.cpp
+++ b/indra/llcommon/llthread.cpp
@@ -29,8 +29,11 @@
 #include "apr_portable.h"
 
 #include "llthread.h"
+#include "llmutex.h"
 
 #include "lltimer.h"
+#include "lltrace.h"
+#include "lltracethreadrecorder.h"
 
 #if LL_LINUX || LL_SOLARIS
 #include <sched.h>
@@ -56,12 +59,17 @@
 // 
 //----------------------------------------------------------------------------
 
-#if !LL_DARWIN
-U32 ll_thread_local sThreadID = 0;
+#if LL_DARWIN
+// statically allocated thread local storage not supported in Darwin executable formats
+#elif LL_WINDOWS
+U32 __declspec(thread) LLThread::sThreadIndex = 0;
+#elif LL_LINUX
+U32 __thread LLThread::sThreadID = 0;
 #endif 
 
 U32 LLThread::sIDIter = 0;
 
+
 LL_COMMON_API void assert_main_thread()
 {
 	static U32 s_thread_id = LLThread::currentID();
@@ -85,8 +93,10 @@ void *APR_THREAD_FUNC LLThread::staticRun(apr_thread_t *apr_threadp, void *datap
 {
 	LLThread *threadp = (LLThread *)datap;
 
+	LLTrace::ThreadRecorder* thread_recorder = new LLTrace::SlaveThreadRecorder();
+
 #if !LL_DARWIN
-	sThreadID = threadp->mID;
+	sThreadIndex = threadp->mID;
 #endif
 
 	// Run the user supplied function
@@ -97,16 +107,18 @@ void *APR_THREAD_FUNC LLThread::staticRun(apr_thread_t *apr_threadp, void *datap
 	// We're done with the run function, this thread is done executing now.
 	threadp->mStatus = STOPPED;
 
+	delete thread_recorder;
+
 	return NULL;
 }
 
-
 LLThread::LLThread(const std::string& name, apr_pool_t *poolp) :
 	mPaused(FALSE),
 	mName(name),
 	mAPRThreadp(NULL),
 	mStatus(STOPPED)
 {
+
 	mID = ++sIDIter;
 
 	// Thread creation probably CAN be paranoid about APR being initialized, if necessary
@@ -152,7 +164,7 @@ void LLThread::shutdown()
 			//llinfos << "LLThread::~LLThread() Killing thread " << mName << " Status: " << mStatus << llendl;
 			// Now wait a bit for the thread to exit
 			// It's unclear whether I should even bother doing this - this destructor
-			// should netver get called unless we're already stopped, really...
+			// should never get called unless we're already stopped, really...
 			S32 counter = 0;
 			const S32 MAX_WAIT = 600;
 			while (counter < MAX_WAIT)
@@ -514,7 +526,6 @@ LLThreadSafeRefCount::~LLThreadSafeRefCount()
 	}
 }
 
-
 //============================================================================
 
 LLResponder::~LLResponder()
diff --git a/indra/llcommon/llthread.h b/indra/llcommon/llthread.h
index 5c8bbca2ca..94b6b6d682 100644
--- a/indra/llcommon/llthread.h
+++ b/indra/llcommon/llthread.h
@@ -30,21 +30,22 @@
 #include "llapp.h"
 #include "llapr.h"
 #include "apr_thread_cond.h"
+#include "llmutex.h"
 
-class LLThread;
-class LLMutex;
-class LLCondition;
-
-#if LL_WINDOWS
-#define ll_thread_local __declspec(thread)
-#else
-#define ll_thread_local __thread
-#endif
+LL_COMMON_API void assert_main_thread();
 
 class LL_COMMON_API LLThread
 {
 private:
+	friend class LLMutex;
 	static U32 sIDIter;
+#if LL_DARWIN
+	// statically allocated thread local storage not supported in Darwin executable formats
+#elif LL_WINDOWS
+	static U32 __declspec(thread) LLThread::sThreadIndex;
+#elif LL_LINUX
+	static U32 __thread LLThread::sThreadID ;
+#endif
 
 public:
 	typedef enum e_thread_status
@@ -101,7 +102,7 @@ private:
 
 protected:
 	std::string			mName;
-	LLCondition*		mRunCondition;
+	class LLCondition*	mRunCondition;
 	LLMutex*			mDataLock;
 
 	apr_thread_t		*mAPRThreadp;
@@ -139,75 +140,6 @@ protected:
 	// mDataLock->unlock();
 };
 
-//============================================================================
-
-#define MUTEX_DEBUG (LL_DEBUG || LL_RELEASE_WITH_DEBUG_INFO)
-
-class LL_COMMON_API LLMutex
-{
-public:
-	typedef enum
-	{
-		NO_THREAD = 0xFFFFFFFF
-	} e_locking_thread;
-
-	LLMutex(apr_pool_t *apr_poolp); // NULL pool constructs a new pool for the mutex
-	virtual ~LLMutex();
-	
-	void lock();		// blocks
-	void unlock();
-	bool isLocked(); 	// non-blocking, but does do a lock/unlock so not free
-	bool isSelfLocked(); //return true if locked in a same thread
-	U32 lockingThread() const; //get ID of locking thread
-	
-protected:
-	apr_thread_mutex_t *mAPRMutexp;
-	mutable U32			mCount;
-	mutable U32			mLockingThread;
-	
-	apr_pool_t			*mAPRPoolp;
-	BOOL				mIsLocalPool;
-	
-#if MUTEX_DEBUG
-	std::map<U32, BOOL> mIsLocked;
-#endif
-};
-
-// Actually a condition/mutex pair (since each condition needs to be associated with a mutex).
-class LL_COMMON_API LLCondition : public LLMutex
-{
-public:
-	LLCondition(apr_pool_t *apr_poolp); // Defaults to global pool, could use the thread pool as well.
-	~LLCondition();
-	
-	void wait();		// blocks
-	void signal();
-	void broadcast();
-	
-protected:
-	apr_thread_cond_t *mAPRCondp;
-};
-
-class LLMutexLock
-{
-public:
-	LLMutexLock(LLMutex* mutex)
-	{
-		mMutex = mutex;
-		
-		if(mMutex)
-			mMutex->lock();
-	}
-	~LLMutexLock()
-	{
-		if(mMutex)
-			mMutex->unlock();
-	}
-private:
-	LLMutex* mMutex;
-};
-
-//============================================================================
 
 void LLThread::lockData()
 {
diff --git a/indra/llcommon/lltimer.cpp b/indra/llcommon/lltimer.cpp
index 9ebc6de7f4..26063beff0 100644
--- a/indra/llcommon/lltimer.cpp
+++ b/indra/llcommon/lltimer.cpp
@@ -31,11 +31,9 @@
 #include "u64.h"
 
 #if LL_WINDOWS
-#	define WIN32_LEAN_AND_MEAN
-#	include <winsock2.h>
-#	include <windows.h>
+#	include "llwin32headerslean.h"
 #elif LL_LINUX || LL_SOLARIS || LL_DARWIN
-#       include <errno.h>
+#   include <errno.h>
 #	include <sys/time.h>
 #else 
 #	error "architecture not supported"
@@ -287,14 +285,14 @@ LLTimer::~LLTimer()
 }
 
 // static
-U64 LLTimer::getTotalTime()
+LLUnit<LLUnits::Microseconds, U64> LLTimer::getTotalTime()
 {
 	// simply call into the implementation function.
 	return totalTime();
 }	
 
 // static
-F64 LLTimer::getTotalSeconds()
+LLUnit<LLUnits::Seconds, F64> LLTimer::getTotalSeconds()
 {
 	return U64_to_F64(getTotalTime()) * USEC_TO_SEC_F64;
 }
@@ -343,23 +341,23 @@ U64 getElapsedTimeAndUpdate(U64& lastClockCount)
 }
 
 
-F64 LLTimer::getElapsedTimeF64() const
+LLUnit<LLUnits::Seconds, F64> LLTimer::getElapsedTimeF64() const
 {
 	U64 last = mLastClockCount;
 	return (F64)getElapsedTimeAndUpdate(last) * gClockFrequencyInv;
 }
 
-F32 LLTimer::getElapsedTimeF32() const
+LLUnit<LLUnits::Seconds, F32> LLTimer::getElapsedTimeF32() const
 {
 	return (F32)getElapsedTimeF64();
 }
 
-F64 LLTimer::getElapsedTimeAndResetF64()
+LLUnit<LLUnits::Seconds, F64> LLTimer::getElapsedTimeAndResetF64()
 {
 	return (F64)getElapsedTimeAndUpdate(mLastClockCount) * gClockFrequencyInv;
 }
 
-F32 LLTimer::getElapsedTimeAndResetF32()
+LLUnit<LLUnits::Seconds, F32> LLTimer::getElapsedTimeAndResetF32()
 {
 	return (F32)getElapsedTimeAndResetF64();
 }
@@ -372,7 +370,7 @@ void  LLTimer::setTimerExpirySec(F32 expiration)
 		+ (U64)((F32)(expiration * gClockFrequency));
 }
 
-F32 LLTimer::getRemainingTimeF32() const
+LLUnit<LLUnits::Seconds, F32> LLTimer::getRemainingTimeF32() const
 {
 	U64 cur_ticks = get_clock_count();
 	if (cur_ticks > mExpirationTicks)
diff --git a/indra/llcommon/lltimer.h b/indra/llcommon/lltimer.h
index 513de0605d..5cb2b18111 100644
--- a/indra/llcommon/lltimer.h
+++ b/indra/llcommon/lltimer.h
@@ -37,6 +37,7 @@
 #include <string>
 #include <list>
 // units conversions
+#include "llunit.h"
 #ifndef USEC_PER_SEC
     const U32	USEC_PER_SEC	= 1000000;
 #endif
@@ -55,7 +56,7 @@ public:
 protected:	
 	U64 mLastClockCount;
 	U64 mExpirationTicks;
-	BOOL mStarted;
+	bool mStarted;
 
 public:
 	LLTimer();
@@ -66,16 +67,16 @@ public:
 
 	// Return a high precision number of seconds since the start of
 	// this application instance.
-	static F64 getElapsedSeconds()
+	static LLUnit<LLUnits::Seconds, F64> getElapsedSeconds()
 	{
 		return sTimer->getElapsedTimeF64();
 	}
 
 	// Return a high precision usec since epoch
-	static U64 getTotalTime();
+	static LLUnit<LLUnits::Microseconds, U64> getTotalTime();
 
 	// Return a high precision seconds since epoch
-	static F64 getTotalSeconds();
+	static LLUnit<LLUnits::Seconds, F64> getTotalSeconds();
 
 
 	// MANIPULATORS
@@ -86,18 +87,18 @@ public:
 	void setTimerExpirySec(F32 expiration);
 	BOOL checkExpirationAndReset(F32 expiration);
 	BOOL hasExpired() const;
-	F32 getElapsedTimeAndResetF32();	// Returns elapsed time in seconds with reset
-	F64 getElapsedTimeAndResetF64();
+	LLUnit<LLUnits::Seconds, F32> getElapsedTimeAndResetF32();	// Returns elapsed time in seconds with reset
+	LLUnit<LLUnits::Seconds, F64> getElapsedTimeAndResetF64();
 
-	F32 getRemainingTimeF32() const;
+	LLUnit<LLUnits::Seconds, F32> getRemainingTimeF32() const;
 
 	static BOOL knownBadTimer();
 
 	// ACCESSORS
-	F32 getElapsedTimeF32() const;			// Returns elapsed time in seconds
-	F64 getElapsedTimeF64() const;			// Returns elapsed time in seconds
+	LLUnit<LLUnits::Seconds, F32> getElapsedTimeF32() const;			// Returns elapsed time in seconds
+	LLUnit<LLUnits::Seconds, F64> getElapsedTimeF64() const;			// Returns elapsed time in seconds
 
-	BOOL getStarted() const { return mStarted; }
+	bool getStarted() const { return mStarted; }
 
 
 	static U64 getCurrentClockCount();		// Returns the raw clockticks
diff --git a/indra/llcommon/lltrace.cpp b/indra/llcommon/lltrace.cpp
new file mode 100644
index 0000000000..e11e39a1a2
--- /dev/null
+++ b/indra/llcommon/lltrace.cpp
@@ -0,0 +1,70 @@
+/** 
+ * @file lltrace.cpp
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lltrace.h"
+#include "lltracerecording.h"
+#include "lltracethreadrecorder.h"
+#include "llfasttimer.h"
+
+static bool sInitialized;
+
+namespace LLTrace
+{
+
+static MasterThreadRecorder* gMasterThreadRecorder = NULL;
+
+void init()
+{
+	gMasterThreadRecorder = new MasterThreadRecorder();
+	sInitialized = true;
+}
+
+bool isInitialized()
+{
+	return sInitialized; 
+}
+
+void cleanup()
+{
+	delete gMasterThreadRecorder;
+	gMasterThreadRecorder = NULL;
+}
+
+MasterThreadRecorder& getMasterThreadRecorder()
+{
+	llassert(gMasterThreadRecorder != NULL);
+	return *gMasterThreadRecorder;
+}
+
+LLThreadLocalPointer<ThreadRecorder>& get_thread_recorder()
+{
+	static LLThreadLocalPointer<ThreadRecorder> s_thread_recorder;
+	return s_thread_recorder;
+}
+
+}
+
diff --git a/indra/llcommon/lltrace.h b/indra/llcommon/lltrace.h
new file mode 100644
index 0000000000..61d14569cd
--- /dev/null
+++ b/indra/llcommon/lltrace.h
@@ -0,0 +1,446 @@
+/** 
+ * @file lltrace.h
+ * @brief Runtime statistics accumulation.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLTRACE_H
+#define LL_LLTRACE_H
+
+#include "stdtypes.h"
+#include "llpreprocessor.h"
+
+#include "llmemory.h"
+#include "llrefcount.h"
+#include "llunit.h"
+#include "llapr.h"
+
+#include <list>
+
+#define LL_RECORD_BLOCK_TIME(block_timer) LLTrace::BlockTimer::Recorder LL_GLUE_TOKENS(block_time_recorder, __COUNTER__)(block_timer);
+
+namespace LLTrace
+{
+	class Recording;
+
+	typedef LLUnit<LLUnits::Bytes, F64>			Bytes;
+	typedef LLUnit<LLUnits::Kilobytes, F64>		Kilobytes;
+	typedef LLUnit<LLUnits::Megabytes, F64>		Megabytes;
+	typedef LLUnit<LLUnits::Gigabytes, F64>		Gigabytes;
+	typedef LLUnit<LLUnits::Bits, F64>			Bits;
+	typedef LLUnit<LLUnits::Kilobits, F64>		Kilobits;
+	typedef LLUnit<LLUnits::Megabits, F64>		Megabits;
+	typedef LLUnit<LLUnits::Gigabits, F64>		Gigabits;
+
+	typedef LLUnit<LLUnits::Seconds, F64>		Seconds;
+	typedef LLUnit<LLUnits::Milliseconds, F64>	Milliseconds;
+	typedef LLUnit<LLUnits::Minutes, F64>		Minutes;
+	typedef LLUnit<LLUnits::Hours, F64>			Hours;
+	typedef LLUnit<LLUnits::Milliseconds, F64>	Milliseconds;
+	typedef LLUnit<LLUnits::Microseconds, F64>	Microseconds;
+	typedef LLUnit<LLUnits::Nanoseconds, F64>	Nanoseconds;
+
+	typedef LLUnit<LLUnits::Meters, F64>		Meters;
+	typedef LLUnit<LLUnits::Kilometers, F64>	Kilometers;
+	typedef LLUnit<LLUnits::Centimeters, F64>	Centimeters;
+	typedef LLUnit<LLUnits::Millimeters, F64>	Millimeters;
+
+	void init();
+	void cleanup();
+	bool isInitialized();
+
+	LLThreadLocalPointer<class ThreadRecorder>& get_thread_recorder();
+
+	class MasterThreadRecorder& getMasterThreadRecorder();
+
+	// one per thread per type
+	template<typename ACCUMULATOR>
+	class AccumulatorBuffer : public LLRefCount
+	{
+		static const U32 DEFAULT_ACCUMULATOR_BUFFER_SIZE = 64;
+	private:
+		enum StaticAllocationMarker { STATIC_ALLOC };
+
+		AccumulatorBuffer(StaticAllocationMarker m)
+		:	mStorageSize(64),
+			mNextStorageSlot(0),
+			mStorage(new ACCUMULATOR[DEFAULT_ACCUMULATOR_BUFFER_SIZE])
+		{}
+
+	public:
+
+		AccumulatorBuffer(const AccumulatorBuffer& other = getDefaultBuffer())
+		:	mStorageSize(other.mStorageSize),
+			mStorage(new ACCUMULATOR[other.mStorageSize]),
+			mNextStorageSlot(other.mNextStorageSlot)
+		{
+			for (S32 i = 0; i < mNextStorageSlot; i++)
+			{
+				mStorage[i] = other.mStorage[i];
+			}
+		}
+
+		~AccumulatorBuffer()
+		{
+			if (sPrimaryStorage == mStorage)
+			{
+				//TODO pick another primary?
+				sPrimaryStorage = NULL;
+			}
+		}
+
+		LL_FORCE_INLINE ACCUMULATOR& operator[](size_t index) 
+		{ 
+			return mStorage[index]; 
+		}
+
+		LL_FORCE_INLINE const ACCUMULATOR& operator[](size_t index) const
+		{ 
+			return mStorage[index]; 
+		}
+
+		void addSamples(const AccumulatorBuffer<ACCUMULATOR>& other)
+		{
+			llassert(mNextStorageSlot == other.mNextStorageSlot);
+
+			for (size_t i = 0; i < mNextStorageSlot; i++)
+			{
+				mStorage[i].addSamples(other.mStorage[i]);
+			}
+		}
+
+		void copyFrom(const AccumulatorBuffer<ACCUMULATOR>& other)
+		{
+			for (size_t i = 0; i < mNextStorageSlot; i++)
+			{
+				mStorage[i] = other.mStorage[i];
+			}
+		}
+
+		void reset(const AccumulatorBuffer<ACCUMULATOR>* other = NULL)
+		{
+			for (size_t i = 0; i < mNextStorageSlot; i++)
+			{
+				mStorage[i].reset(other ? &other->mStorage[i] : NULL);
+			}
+		}
+
+		void makePrimary()
+		{
+			sPrimaryStorage = mStorage;
+		}
+
+		bool isPrimary() const
+		{
+			return sPrimaryStorage == mStorage;
+		}
+
+		LL_FORCE_INLINE static ACCUMULATOR* getPrimaryStorage() 
+		{ 
+			return sPrimaryStorage.get(); 
+		}
+
+		// NOTE: this is not thread-safe.  We assume that slots are reserved in the main thread before any child threads are spawned
+		size_t reserveSlot()
+		{
+			if (LLTrace::isInitialized())
+			{
+				llerrs << "Attempting to declare trace object after program initialization.  Trace objects should be statically initialized." << llendl;
+			}
+			size_t next_slot = mNextStorageSlot++;
+			if (next_slot >= mStorageSize)
+			{
+				resize(mStorageSize + (mStorageSize >> 2));
+			}
+			llassert(mStorage && next_slot < mStorageSize);
+			return next_slot;
+		}
+
+		void resize(size_t new_size)
+		{
+			ACCUMULATOR* old_storage = mStorage;
+			mStorage = new ACCUMULATOR[new_size];
+			for (S32 i = 0; i < mStorageSize; i++)
+			{
+				mStorage[i] = old_storage[i];
+			}
+			mStorageSize = new_size;
+			delete[] old_storage;
+		}
+
+		static AccumulatorBuffer<ACCUMULATOR>& getDefaultBuffer()
+		{
+			static AccumulatorBuffer sBuffer(STATIC_ALLOC);
+			return sBuffer;
+		}
+
+	private:
+		ACCUMULATOR*							mStorage;
+		size_t									mStorageSize;
+		size_t									mNextStorageSlot;
+		static LLThreadLocalPointer<ACCUMULATOR>	sPrimaryStorage;
+	};
+	template<typename ACCUMULATOR> LLThreadLocalPointer<ACCUMULATOR> AccumulatorBuffer<ACCUMULATOR>::sPrimaryStorage;
+
+	template<typename ACCUMULATOR>
+	class TraceType 
+	:	 public LLInstanceTracker<TraceType<ACCUMULATOR>, std::string>
+	{
+	public:
+		TraceType(const char* name, const char* description = NULL)
+		:	LLInstanceTracker(name),
+			mName(name),
+			mDescription(description ? description : "")
+		{
+			mAccumulatorIndex = AccumulatorBuffer<ACCUMULATOR>::getDefaultBuffer().reserveSlot();
+		}
+
+		LL_FORCE_INLINE ACCUMULATOR& getPrimaryAccumulator()
+		{
+			return AccumulatorBuffer<ACCUMULATOR>::getPrimaryStorage()[mAccumulatorIndex];
+		}
+
+		size_t getIndex() const { return mAccumulatorIndex; }
+
+		std::string& getName() { return mName; }
+		const std::string& getName() const { return mName; }
+
+	protected:
+		std::string	mName;
+		std::string mDescription;
+		size_t		mAccumulatorIndex;
+	};
+
+	template<typename T>
+	class MeasurementAccumulator
+	{
+	public:
+		typedef T value_t;
+		typedef MeasurementAccumulator<T> self_t;
+
+		MeasurementAccumulator()
+		:	mSum(0),
+			mMin((std::numeric_limits<T>::max)()),
+			mMax((std::numeric_limits<T>::min)()),
+			mMean(0),
+			mVarianceSum(0),
+			mNumSamples(0),
+			mLastValue(0)
+		{}
+
+		LL_FORCE_INLINE void sample(T value)
+		{
+			T storage_value(value);
+			mNumSamples++;
+			mSum += storage_value;
+			if (storage_value < mMin)
+			{
+				mMin = storage_value;
+			}
+			if (storage_value > mMax)
+			{
+				mMax = storage_value;
+			}
+			F64 old_mean = mMean;
+			mMean += ((F64)storage_value - old_mean) / (F64)mNumSamples;
+			mVarianceSum += ((F64)storage_value - old_mean) * ((F64)storage_value - mMean);
+			mLastValue = storage_value;
+		}
+
+		void addSamples(const self_t& other)
+		{
+			if (other.mNumSamples)
+			{
+				mSum += other.mSum;
+				if (other.mMin < mMin)
+				{
+					mMin = other.mMin;
+				}
+				if (other.mMax > mMax)
+				{
+					mMax = other.mMax;
+				}
+				F64 weight = (F64)mNumSamples / (F64)(mNumSamples + other.mNumSamples);
+				mNumSamples += other.mNumSamples;
+				mMean = mMean * weight + other.mMean * (1.f - weight);
+
+				F64 n_1 = (F64)mNumSamples,
+					n_2 = (F64)other.mNumSamples;
+				F64 m_1 = mMean,
+					m_2 = other.mMean;
+				F64 sd_1 = getStandardDeviation(),
+					sd_2 = other.getStandardDeviation();
+				// combine variance (and hence standard deviation) of 2 different sized sample groups using
+				// the following formula: http://www.mrc-bsu.cam.ac.uk/cochrane/handbook/chapter_7/7_7_3_8_combining_groups.htm
+				if (n_1 == 0)
+				{
+					mVarianceSum = other.mVarianceSum;
+				}
+				else if (n_2 == 0)
+				{
+					// don't touch variance
+					// mVarianceSum = mVarianceSum;
+				}
+				else
+				{
+					mVarianceSum =  (F64)mNumSamples
+								* ((((n_1 - 1.f) * sd_1 * sd_1)
+									+ ((n_2 - 1.f) * sd_2 * sd_2)
+									+ (((n_1 * n_2) / (n_1 + n_2))
+										* ((m_1 * m_1) + (m_2 * m_2) - (2.f * m_1 * m_2))))
+								/ (n_1 + n_2 - 1.f));
+				}
+				mLastValue = other.mLastValue;
+			}
+		}
+
+		void reset(const self_t* other)
+		{
+			mNumSamples = 0;
+			mSum = 0;
+			mMin = 0;
+			mMax = 0;
+			mMean = 0;
+			mVarianceSum = 0;
+			mLastValue = other ? other->mLastValue : 0;
+		}
+
+		T	getSum() const { return (T)mSum; }
+		T	getMin() const { return (T)mMin; }
+		T	getMax() const { return (T)mMax; }
+		T	getLastValue() const { return (T)mLastValue; }
+		F64	getMean() const { return mMean; }
+		F64 getStandardDeviation() const { return sqrtf(mVarianceSum / mNumSamples); }
+		U32 getSampleCount() const { return mNumSamples; }
+
+	private:
+		T	mSum,
+			mMin,
+			mMax,
+			mLastValue;
+
+		F64	mMean,
+			mVarianceSum;
+
+		U32	mNumSamples;
+	};
+
+	template<typename T>
+	class CountAccumulator
+	{
+	public:
+		typedef CountAccumulator<T> self_t;
+		typedef T value_t;
+
+		CountAccumulator()
+		:	mSum(0),
+			mNumSamples(0)
+		{}
+
+		LL_FORCE_INLINE void add(T value)
+		{
+			mNumSamples++;
+			mSum += value;
+		}
+
+		void addSamples(const CountAccumulator<T>& other)
+		{
+			mSum += other.mSum;
+			mNumSamples += other.mNumSamples;
+		}
+
+		void reset(const self_t* other)
+		{
+			mNumSamples = 0;
+			mSum = 0;
+		}
+
+		T	getSum() const { return (T)mSum; }
+
+		U32 getSampleCount() const { return mNumSamples; }
+
+	private:
+		T	mSum;
+
+		U32	mNumSamples;
+	};
+
+	class TimerAccumulator
+	{
+	public:
+		TimerAccumulator();
+		void addSamples(const TimerAccumulator& other);
+		void reset(const TimerAccumulator* other);
+
+		//
+		// members
+		//
+		U64 						mSelfTimeCounter,
+									mTotalTimeCounter;
+		U32 						mCalls;
+		class BlockTimer*			mLastCaller;	// used to bootstrap tree construction
+		U16							mActiveCount;	// number of timers with this ID active on stack
+		bool						mMoveUpTree;	// needs to be moved up the tree of timers at the end of frame
+	};
+
+
+	template <typename T = F64>
+	class Measurement
+	:	public TraceType<MeasurementAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >
+	{
+	public:
+		typedef typename LLUnits::HighestPrecisionType<T>::type_t storage_t;
+
+		Measurement(const char* name, const char* description = NULL) 
+		:	TraceType(name, description)
+		{}
+
+		template<typename UNIT_T>
+		void sample(UNIT_T value)
+		{
+			T converted_value(value);
+			getPrimaryAccumulator().sample((storage_t)converted_value);
+		}
+	};
+
+	template <typename T = F64>
+	class Count 
+	:	public TraceType<CountAccumulator<typename LLUnits::HighestPrecisionType<T>::type_t> >
+	{
+	public:
+		typedef typename LLUnits::HighestPrecisionType<T>::type_t storage_t;
+
+		Count(const char* name, const char* description = NULL) 
+		:	TraceType(name)
+		{}
+
+		template<typename UNIT_T>
+		void add(UNIT_T value)
+		{
+			T converted_value(value);
+			getPrimaryAccumulator().add((storage_t)converted_value);
+		}
+	};
+}
+
+#endif // LL_LLTRACE_H
diff --git a/indra/llcommon/lltracerecording.cpp b/indra/llcommon/lltracerecording.cpp
new file mode 100644
index 0000000000..4252ed57dc
--- /dev/null
+++ b/indra/llcommon/lltracerecording.cpp
@@ -0,0 +1,542 @@
+/** 
+ * @file lltracesampler.cpp
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lltrace.h"
+#include "lltracerecording.h"
+#include "lltracethreadrecorder.h"
+#include "llthread.h"
+
+namespace LLTrace
+{
+
+///////////////////////////////////////////////////////////////////////
+// Recording
+///////////////////////////////////////////////////////////////////////
+
+Recording::Recording() 
+:	mElapsedSeconds(0),
+	mCountsFloat(new AccumulatorBuffer<CountAccumulator<F64> >()),
+	mMeasurementsFloat(new AccumulatorBuffer<MeasurementAccumulator<F64> >()),
+	mCounts(new AccumulatorBuffer<CountAccumulator<S64> >()),
+	mMeasurements(new AccumulatorBuffer<MeasurementAccumulator<S64> >()),
+	mStackTimers(new AccumulatorBuffer<TimerAccumulator>())
+{}
+
+Recording::Recording( const Recording& other )
+{
+	llassert(other.mCountsFloat.get() != NULL);
+	mSamplingTimer     = other.mSamplingTimer;
+	mElapsedSeconds    = other.mElapsedSeconds;
+	mCountsFloat       = other.mCountsFloat;
+	mMeasurementsFloat = other.mMeasurementsFloat;
+	mCounts            = other.mCounts;
+	mMeasurements      = other.mMeasurements;
+	mStackTimers       = other.mStackTimers;
+
+	LLStopWatchControlsMixin::initTo(other.getPlayState());
+	if (other.isStarted())
+	{
+		handleStart();
+	}
+}
+
+
+Recording::~Recording()
+{}
+
+void Recording::update()
+{
+	if (isStarted())
+	{
+		LLTrace::get_thread_recorder()->update(this);
+		mSamplingTimer.reset();
+	}
+}
+
+void Recording::handleReset()
+{
+	mCountsFloat.write()->reset();
+	mMeasurementsFloat.write()->reset();
+	mCounts.write()->reset();
+	mMeasurements.write()->reset();
+	mStackTimers.write()->reset();
+
+	mElapsedSeconds = 0.0;
+	mSamplingTimer.reset();
+}
+
+void Recording::handleStart()
+{
+	mSamplingTimer.reset();
+	LLTrace::get_thread_recorder()->activate(this);
+}
+
+void Recording::handleStop()
+{
+	mElapsedSeconds += mSamplingTimer.getElapsedTimeF64();
+	LLTrace::get_thread_recorder()->deactivate(this);
+}
+
+void Recording::handleSplitTo(Recording& other)
+{
+	stop();
+	other.restart();
+	other.mMeasurementsFloat.write()->reset(mMeasurementsFloat);
+	other.mMeasurements.write()->reset(mMeasurements);
+}
+
+
+void Recording::makePrimary()
+{
+	mCountsFloat.write()->makePrimary();
+	mMeasurementsFloat.write()->makePrimary();
+	mCounts.write()->makePrimary();
+	mMeasurements.write()->makePrimary();
+	mStackTimers.write()->makePrimary();
+}
+
+bool Recording::isPrimary() const
+{
+	return mCounts->isPrimary();
+}
+
+void Recording::appendRecording( const Recording& other )
+{
+	mCountsFloat.write()->addSamples(*other.mCountsFloat);
+	mMeasurementsFloat.write()->addSamples(*other.mMeasurementsFloat);
+	mCounts.write()->addSamples(*other.mCounts);
+	mMeasurements.write()->addSamples(*other.mMeasurements);
+	mStackTimers.write()->addSamples(*other.mStackTimers);
+	mElapsedSeconds += other.mElapsedSeconds;
+}
+
+F64 Recording::getSum( const TraceType<CountAccumulator<F64> >& stat ) const
+{
+	return (*mCountsFloat)[stat.getIndex()].getSum();
+}
+
+S64 Recording::getSum( const TraceType<CountAccumulator<S64> >& stat ) const
+{
+	return (*mCounts)[stat.getIndex()].getSum();
+}
+
+F64 Recording::getSum( const TraceType<MeasurementAccumulator<F64> >& stat ) const
+{
+	return (F64)(*mMeasurementsFloat)[stat.getIndex()].getSum();
+}
+
+S64 Recording::getSum( const TraceType<MeasurementAccumulator<S64> >& stat ) const
+{
+	return (S64)(*mMeasurements)[stat.getIndex()].getSum();
+}
+
+
+
+F64 Recording::getPerSec( const TraceType<CountAccumulator<F64> >& stat ) const
+{
+	F64 sum = (*mCountsFloat)[stat.getIndex()].getSum();
+	return  (sum != 0.0) 
+		? (sum / mElapsedSeconds)
+		: 0.0;
+}
+
+F64 Recording::getPerSec( const TraceType<CountAccumulator<S64> >& stat ) const
+{
+	S64 sum = (*mCounts)[stat.getIndex()].getSum();
+	return (sum != 0) 
+		? ((F64)sum / mElapsedSeconds)
+		: 0.0;
+}
+
+U32 Recording::getSampleCount( const TraceType<CountAccumulator<F64> >& stat ) const
+{
+	return (*mCountsFloat)[stat.getIndex()].getSampleCount();
+}
+
+U32 Recording::getSampleCount( const TraceType<CountAccumulator<S64> >& stat ) const
+{
+	return (*mMeasurementsFloat)[stat.getIndex()].getSampleCount();
+}
+
+
+F64 Recording::getPerSec( const TraceType<MeasurementAccumulator<F64> >& stat ) const
+{
+	F64 sum = (*mMeasurementsFloat)[stat.getIndex()].getSum();
+	return  (sum != 0.0) 
+		? (sum / mElapsedSeconds)
+		: 0.0;
+}
+
+F64 Recording::getPerSec( const TraceType<MeasurementAccumulator<S64> >& stat ) const
+{
+	S64 sum = (*mMeasurements)[stat.getIndex()].getSum();
+	return (sum != 0) 
+		? ((F64)sum / mElapsedSeconds)
+		: 0.0;
+}
+
+F64 Recording::getMin( const TraceType<MeasurementAccumulator<F64> >& stat ) const
+{
+	return (*mMeasurementsFloat)[stat.getIndex()].getMin();
+}
+
+S64 Recording::getMin( const TraceType<MeasurementAccumulator<S64> >& stat ) const
+{
+	return (*mMeasurements)[stat.getIndex()].getMin();
+}
+
+F64 Recording::getMax( const TraceType<MeasurementAccumulator<F64> >& stat ) const
+{
+	return (*mMeasurementsFloat)[stat.getIndex()].getMax();
+}
+
+S64 Recording::getMax( const TraceType<MeasurementAccumulator<S64> >& stat ) const
+{
+	return (*mMeasurements)[stat.getIndex()].getMax();
+}
+
+F64 Recording::getMean( const TraceType<MeasurementAccumulator<F64> >& stat ) const
+{
+	return (*mMeasurementsFloat)[stat.getIndex()].getMean();
+}
+
+F64 Recording::getMean( const TraceType<MeasurementAccumulator<S64> >& stat ) const
+{
+	return (*mMeasurements)[stat.getIndex()].getMean();
+}
+
+F64 Recording::getStandardDeviation( const TraceType<MeasurementAccumulator<F64> >& stat ) const
+{
+	return (*mMeasurementsFloat)[stat.getIndex()].getStandardDeviation();
+}
+
+F64 Recording::getStandardDeviation( const TraceType<MeasurementAccumulator<S64> >& stat ) const
+{
+	return (*mMeasurements)[stat.getIndex()].getStandardDeviation();
+}
+
+F64 Recording::getLastValue( const TraceType<MeasurementAccumulator<F64> >& stat ) const
+{
+	return (*mMeasurementsFloat)[stat.getIndex()].getLastValue();
+}
+
+S64 Recording::getLastValue( const TraceType<MeasurementAccumulator<S64> >& stat ) const
+{
+	return (*mMeasurements)[stat.getIndex()].getLastValue();
+}
+
+U32 Recording::getSampleCount( const TraceType<MeasurementAccumulator<F64> >& stat ) const
+{
+	return (*mMeasurementsFloat)[stat.getIndex()].getSampleCount();
+}
+
+U32 Recording::getSampleCount( const TraceType<MeasurementAccumulator<S64> >& stat ) const
+{
+	return (*mMeasurements)[stat.getIndex()].getSampleCount();
+}
+
+
+
+///////////////////////////////////////////////////////////////////////
+// PeriodicRecording
+///////////////////////////////////////////////////////////////////////
+
+PeriodicRecording::PeriodicRecording( S32 num_periods, EStopWatchState state) 
+:	mNumPeriods(num_periods),
+	mCurPeriod(0),
+	mTotalValid(false),
+	mRecordingPeriods( new Recording[num_periods])
+{
+	llassert(mNumPeriods > 0);
+	initTo(state);
+}
+
+PeriodicRecording::~PeriodicRecording()
+{
+	delete[] mRecordingPeriods;
+}
+
+
+void PeriodicRecording::nextPeriod()
+{
+	EStopWatchState play_state = getPlayState();
+	Recording& old_recording = getCurRecordingPeriod();
+	mCurPeriod = (mCurPeriod + 1) % mNumPeriods;
+	old_recording.splitTo(getCurRecordingPeriod());
+
+	switch(play_state)
+	{
+	case STOPPED:
+		getCurRecordingPeriod().stop();
+		break;
+	case PAUSED:
+		getCurRecordingPeriod().pause();
+		break;
+	case STARTED:
+		break;
+	}
+	// new period, need to recalculate total
+	mTotalValid = false;
+}
+
+Recording& PeriodicRecording::getTotalRecording()
+{
+	if (!mTotalValid)
+	{
+		mTotalRecording.reset();
+		for (S32 i = mCurPeriod + 1; i < mCurPeriod + mNumPeriods; i++)
+		{
+			mTotalRecording.appendRecording(mRecordingPeriods[i % mNumPeriods]);
+		}
+	}
+	mTotalValid = true;
+	return mTotalRecording;
+}
+
+void PeriodicRecording::start()
+{
+	getCurRecordingPeriod().start();
+}
+
+void PeriodicRecording::stop()
+{
+	getCurRecordingPeriod().stop();
+}
+
+void PeriodicRecording::pause()
+{
+	getCurRecordingPeriod().pause();
+}
+
+void PeriodicRecording::resume()
+{
+	getCurRecordingPeriod().resume();
+}
+
+void PeriodicRecording::restart()
+{
+	getCurRecordingPeriod().restart();
+}
+
+void PeriodicRecording::reset()
+{
+	getCurRecordingPeriod().reset();
+}
+
+void PeriodicRecording::splitTo(PeriodicRecording& other)
+{
+	getCurRecordingPeriod().splitTo(other.getCurRecordingPeriod());
+}
+
+void PeriodicRecording::splitFrom(PeriodicRecording& other)
+{
+	getCurRecordingPeriod().splitFrom(other.getCurRecordingPeriod());
+}
+
+
+///////////////////////////////////////////////////////////////////////
+// ExtendableRecording
+///////////////////////////////////////////////////////////////////////
+
+void ExtendableRecording::extend()
+{
+	mAcceptedRecording.appendRecording(mPotentialRecording);
+	mPotentialRecording.reset();
+}
+
+void ExtendableRecording::start()
+{
+	mPotentialRecording.start();
+}
+
+void ExtendableRecording::stop()
+{
+	mPotentialRecording.stop();
+}
+
+void ExtendableRecording::pause()
+{
+	mPotentialRecording.pause();
+}
+
+void ExtendableRecording::resume()
+{
+	mPotentialRecording.resume();
+}
+
+void ExtendableRecording::restart()
+{
+	mAcceptedRecording.reset();
+	mPotentialRecording.restart();
+}
+
+void ExtendableRecording::reset()
+{
+	mAcceptedRecording.reset();
+	mPotentialRecording.reset();
+}
+
+void ExtendableRecording::splitTo(ExtendableRecording& other)
+{
+	mPotentialRecording.splitTo(other.mPotentialRecording);
+}
+
+void ExtendableRecording::splitFrom(ExtendableRecording& other)
+{
+	mPotentialRecording.splitFrom(other.mPotentialRecording);
+}
+
+PeriodicRecording& get_frame_recording()
+{
+	static LLThreadLocalPointer<PeriodicRecording> sRecording(new PeriodicRecording(64, PeriodicRecording::STARTED));
+	return *sRecording;
+}
+
+}
+
+void LLStopWatchControlsMixinCommon::start()
+{
+	switch (mState)
+	{
+	case STOPPED:
+		handleReset();
+		handleStart();
+		break;
+	case PAUSED:
+		handleStart();
+		break;
+	case STARTED:
+		handleReset();
+		break;
+	default:
+		llassert(false);
+		break;
+	}
+	mState = STARTED;
+}
+
+void LLStopWatchControlsMixinCommon::stop()
+{
+	switch (mState)
+	{
+	case STOPPED:
+		break;
+	case PAUSED:
+		handleStop();
+		break;
+	case STARTED:
+		handleStop();
+		break;
+	default:
+		llassert(false);
+		break;
+	}
+	mState = STOPPED;
+}
+
+void LLStopWatchControlsMixinCommon::pause()
+{
+	switch (mState)
+	{
+	case STOPPED:
+		break;
+	case PAUSED:
+		break;
+	case STARTED:
+		handleStop();
+		break;
+	default:
+		llassert(false);
+		break;
+	}
+	mState = PAUSED;
+}
+
+void LLStopWatchControlsMixinCommon::resume()
+{
+	switch (mState)
+	{
+	case STOPPED:
+		handleStart();
+		break;
+	case PAUSED:
+		handleStart();
+		break;
+	case STARTED:
+		break;
+	default:
+		llassert(false);
+		break;
+	}
+	mState = STARTED;
+}
+
+void LLStopWatchControlsMixinCommon::restart()
+{
+	switch (mState)
+	{
+	case STOPPED:
+		handleReset();
+		handleStart();
+		break;
+	case PAUSED:
+		handleReset();
+		handleStart();
+		break;
+	case STARTED:
+		handleReset();
+		break;
+	default:
+		llassert(false);
+		break;
+	}
+	mState = STARTED;
+}
+
+void LLStopWatchControlsMixinCommon::reset()
+{
+	handleReset();
+}
+
+void LLStopWatchControlsMixinCommon::initTo( EStopWatchState state )
+{
+	switch(state)
+	{
+	case STOPPED:
+		break;
+	case PAUSED:
+		break;
+	case STARTED:
+		handleStart();
+		break;
+	default:
+		llassert(false);
+		break;
+	}
+
+	mState = state;
+}
diff --git a/indra/llcommon/lltracerecording.h b/indra/llcommon/lltracerecording.h
new file mode 100644
index 0000000000..efc54d240f
--- /dev/null
+++ b/indra/llcommon/lltracerecording.h
@@ -0,0 +1,391 @@
+/** 
+ * @file lltracerecording.h
+ * @brief Sampling object for collecting runtime statistics originating from lltrace.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLTRACERECORDING_H
+#define LL_LLTRACERECORDING_H
+
+#include "stdtypes.h"
+#include "llpreprocessor.h"
+
+#include "llpointer.h"
+#include "lltimer.h"
+#include "lltrace.h"
+
+class LL_COMMON_API LLStopWatchControlsMixinCommon
+{
+public:
+	virtual ~LLStopWatchControlsMixinCommon() {}
+
+	enum EStopWatchState
+	{
+		STOPPED,
+		PAUSED,
+		STARTED
+	};
+
+	virtual void start();
+	virtual void stop();
+	virtual void pause();
+	virtual void resume();
+	virtual void restart();
+	virtual void reset();
+
+	bool isStarted() const { return mState == STARTED; }
+	bool isPaused() const  { return mState == PAUSED; }
+	bool isStopped() const { return mState == STOPPED; }
+	EStopWatchState getPlayState() const { return mState; }
+
+protected:
+	LLStopWatchControlsMixinCommon()
+	:	mState(STOPPED)
+	{}
+
+	// derived classes can call this from their copy constructor in order
+	// to duplicate play state of source
+	void initTo(EStopWatchState state);
+private:
+	// trigger active behavior (without reset)
+	virtual void handleStart(){};
+	// stop active behavior
+	virtual void handleStop(){};
+	// clear accumulated state, can be called while started
+	virtual void handleReset(){};
+
+	EStopWatchState mState;
+};
+
+template<typename DERIVED>
+class LLStopWatchControlsMixin
+:	public LLStopWatchControlsMixinCommon
+{
+public:
+	typedef LLStopWatchControlsMixin<DERIVED> self_t;
+	virtual void splitTo(DERIVED& other)
+	{
+		handleSplitTo(other);
+	}
+
+	virtual void splitFrom(DERIVED& other)
+	{
+		static_cast<self_t&>(other).handleSplitTo(*static_cast<DERIVED*>(this));
+	}
+private:
+	// atomically stop this object while starting the other
+	// no data can be missed in between stop and start
+	virtual void handleSplitTo(DERIVED& other) {};
+
+};
+
+namespace LLTrace
+{
+	class LL_COMMON_API Recording : public LLStopWatchControlsMixin<Recording>
+	{
+	public:
+		Recording();
+
+		Recording(const Recording& other);
+		~Recording();
+
+		void makePrimary();
+		bool isPrimary() const;
+
+		void appendRecording(const Recording& other);
+
+		void update();
+
+		// Count accessors
+		F64 getSum(const TraceType<CountAccumulator<F64> >& stat) const;
+		S64 getSum(const TraceType<CountAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getSum(const Count<T>& stat) const
+		{
+			return (T)getSum(static_cast<const TraceType<CountAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getPerSec(const TraceType<CountAccumulator<F64> >& stat) const;
+		F64 getPerSec(const TraceType<CountAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getPerSec(const Count<T>& stat) const
+		{
+			return (T)getPerSec(static_cast<const TraceType<CountAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		U32 getSampleCount(const TraceType<CountAccumulator<F64> >& stat) const;
+		U32 getSampleCount(const TraceType<CountAccumulator<S64> >& stat) const;
+
+
+		// Measurement accessors
+		F64 getSum(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		S64 getSum(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getSum(const Measurement<T>& stat) const
+		{
+			return (T)getSum(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getPerSec(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		F64 getPerSec(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getPerSec(const Measurement<T>& stat) const
+		{
+			return (T)getPerSec(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getMin(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		S64 getMin(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getMin(const Measurement<T>& stat) const
+		{
+			return (T)getMin(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getMax(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		S64 getMax(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getMax(const Measurement<T>& stat) const
+		{
+			return (T)getMax(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getMean(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		F64 getMean(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getMean(Measurement<T>& stat) const
+		{
+			return (T)getMean(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getStandardDeviation(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		F64 getStandardDeviation(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getStandardDeviation(const Measurement<T>& stat) const
+		{
+			return (T)getMean(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		F64 getLastValue(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		S64 getLastValue(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+		template <typename T>
+		T getLastValue(const Measurement<T>& stat) const
+		{
+			return (T)getLastValue(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
+		}
+
+		U32 getSampleCount(const TraceType<MeasurementAccumulator<F64> >& stat) const;
+		U32 getSampleCount(const TraceType<MeasurementAccumulator<S64> >& stat) const;
+
+		LLUnit<LLUnits::Seconds, F64> getDuration() const { return mElapsedSeconds; }
+
+	private:
+		friend class ThreadRecorder;
+
+		// implementation for LLStopWatchControlsMixin
+		/*virtual*/ void handleStart();
+		/*virtual*/ void handleStop();
+		/*virtual*/ void handleReset();
+		/*virtual*/ void handleSplitTo(Recording& other);
+
+		// returns data for current thread
+		class ThreadRecorder* getThreadRecorder(); 
+
+		LLCopyOnWritePointer<AccumulatorBuffer<CountAccumulator<F64> > >		mCountsFloat;
+		LLCopyOnWritePointer<AccumulatorBuffer<MeasurementAccumulator<F64> > >	mMeasurementsFloat;
+		LLCopyOnWritePointer<AccumulatorBuffer<CountAccumulator<S64> > >		mCounts;
+		LLCopyOnWritePointer<AccumulatorBuffer<MeasurementAccumulator<S64> > >	mMeasurements;
+		LLCopyOnWritePointer<AccumulatorBuffer<TimerAccumulator> >				mStackTimers;
+
+		LLTimer			mSamplingTimer;
+		F64				mElapsedSeconds;
+	};
+
+	class LL_COMMON_API PeriodicRecording
+	:	public LLStopWatchControlsMixin<PeriodicRecording>
+	{
+	public:
+		PeriodicRecording(S32 num_periods, EStopWatchState state = STOPPED);
+		~PeriodicRecording();
+
+		void nextPeriod();
+		S32 getNumPeriods() { return mNumPeriods; }
+
+		Recording& getLastRecordingPeriod()
+		{
+			return mRecordingPeriods[(mCurPeriod + mNumPeriods - 1) % mNumPeriods];
+		}
+
+		const Recording& getLastRecordingPeriod() const
+		{
+			return getPrevRecordingPeriod(1);
+		}
+
+		Recording& getCurRecordingPeriod()
+		{
+			return mRecordingPeriods[mCurPeriod];
+		}
+
+		const Recording& getCurRecordingPeriod() const
+		{
+			return mRecordingPeriods[mCurPeriod];
+		}
+
+		Recording& getPrevRecordingPeriod(S32 offset)
+		{
+			return mRecordingPeriods[(mCurPeriod + mNumPeriods - offset) % mNumPeriods];
+		}
+
+		const Recording& getPrevRecordingPeriod(S32 offset) const
+		{
+			return mRecordingPeriods[(mCurPeriod + mNumPeriods - offset) % mNumPeriods];
+		}
+
+		Recording snapshotCurRecordingPeriod() const
+		{
+			Recording recording_copy(getCurRecordingPeriod());
+			recording_copy.stop();
+			return recording_copy;
+		}
+
+		Recording& getTotalRecording();
+
+		template <typename T>
+		typename T getPeriodMin(const TraceType<CountAccumulator<T> >& stat) const
+		{
+			T min_val = (std::numeric_limits<T>::max)();
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				min_val = llmin(min_val, mRecordingPeriods[i].getSum(stat));
+			}
+			return (T)min_val;
+		}
+
+		template <typename T>
+		F64 getPeriodMinPerSec(const TraceType<CountAccumulator<T> >& stat) const
+		{
+			F64 min_val = (std::numeric_limits<F64>::max)();
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				min_val = llmin(min_val, mRecordingPeriods[i].getPerSec(stat));
+			}
+			return min_val;
+		}
+
+		template <typename T>
+		T getPeriodMax(const TraceType<CountAccumulator<T> >& stat) const
+		{
+			T max_val = (std::numeric_limits<T>::min)();
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				max_val = llmax(max_val, mRecordingPeriods[i].getSum(stat));
+			}
+			return max_val;
+		}
+
+		template <typename T>
+		F64 getPeriodMaxPerSec(const TraceType<CountAccumulator<T> >& stat) const
+		{
+			F64 max_val = (std::numeric_limits<F64>::min)();
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				max_val = llmax(max_val, mRecordingPeriods[i].getPerSec(stat));
+			}
+			return max_val;
+		}
+
+		template <typename T>
+		F64 getPeriodMean(const TraceType<CountAccumulator<T> >& stat) const
+		{
+			F64 mean = 0.0;
+			F64 count = 0;
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				if (mRecordingPeriods[i].getDuration() > 0.f)
+				{
+					count++;
+					mean += mRecordingPeriods[i].getSum(stat);
+				}
+			}
+			mean /= (F64)mNumPeriods;
+			return mean;
+		}
+
+		template <typename T>
+		F64 getPeriodMeanPerSec(const TraceType<CountAccumulator<T> >& stat) const
+		{
+			F64 mean = 0.0;
+			F64 count = 0;
+			for (S32 i = 0; i < mNumPeriods; i++)
+			{
+				if (mRecordingPeriods[i].getDuration() > 0.f)
+				{
+					count++;
+					mean += mRecordingPeriods[i].getPerSec(stat);
+				}
+			}
+			mean /= count;
+			return mean;
+		}
+
+		// implementation for LLStopWatchControlsMixin
+		/*virtual*/ void start();
+		/*virtual*/ void stop();
+		/*virtual*/ void pause();
+		/*virtual*/ void resume();
+		/*virtual*/ void restart();
+		/*virtual*/ void reset();
+		/*virtual*/ void splitTo(PeriodicRecording& other);
+		/*virtual*/ void splitFrom(PeriodicRecording& other);
+
+	private:
+		Recording*	mRecordingPeriods;
+		Recording	mTotalRecording;
+		bool		mTotalValid;
+		S32			mNumPeriods,
+					mCurPeriod;
+	};
+
+	PeriodicRecording& get_frame_recording();
+
+	class ExtendableRecording
+	:	public LLStopWatchControlsMixin<ExtendableRecording>
+	{
+		void extend();
+
+		// implementation for LLStopWatchControlsMixin
+		/*virtual*/ void start();
+		/*virtual*/ void stop();
+		/*virtual*/ void pause();
+		/*virtual*/ void resume();
+		/*virtual*/ void restart();
+		/*virtual*/ void reset();
+		/*virtual*/ void splitTo(ExtendableRecording& other);
+		/*virtual*/ void splitFrom(ExtendableRecording& other);
+	private:
+		Recording mAcceptedRecording;
+		Recording mPotentialRecording;
+	};
+}
+
+#endif // LL_LLTRACERECORDING_H
diff --git a/indra/llcommon/lltracethreadrecorder.cpp b/indra/llcommon/lltracethreadrecorder.cpp
new file mode 100644
index 0000000000..c2fefe2957
--- /dev/null
+++ b/indra/llcommon/lltracethreadrecorder.cpp
@@ -0,0 +1,225 @@
+/** 
+ * @file lltracethreadrecorder.cpp
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "lltracethreadrecorder.h"
+#include "llfasttimer.h"
+
+namespace LLTrace
+{
+
+
+///////////////////////////////////////////////////////////////////////
+// ThreadRecorder
+///////////////////////////////////////////////////////////////////////
+
+ThreadRecorder::ThreadRecorder()
+{
+	get_thread_recorder() = this;
+	mFullRecording.start();
+
+	BlockTimer::sCurTimerData = new CurTimerData();
+}
+
+ThreadRecorder::ThreadRecorder( const ThreadRecorder& other ) 
+:	mFullRecording(other.mFullRecording)
+{
+	get_thread_recorder() = this;
+	mFullRecording.start();
+}
+
+ThreadRecorder::~ThreadRecorder()
+{
+	get_thread_recorder() = NULL;
+	delete BlockTimer::sCurTimerData.get();
+	BlockTimer::sCurTimerData = NULL;
+}
+
+void ThreadRecorder::activate( Recording* recording )
+{
+	mActiveRecordings.push_front(ActiveRecording(recording));
+	mActiveRecordings.front().mBaseline.makePrimary();
+}
+
+std::list<ThreadRecorder::ActiveRecording>::iterator ThreadRecorder::update( Recording* recording )
+{
+	std::list<ActiveRecording>::iterator it, end_it;
+	for (it = mActiveRecordings.begin(), end_it = mActiveRecordings.end();
+		it != end_it;
+		++it)
+	{
+		std::list<ActiveRecording>::iterator next_it = it;
+		++next_it;
+
+		// if we have another recording further down in the stack...
+		if (next_it != mActiveRecordings.end())
+		{
+			// ...push our gathered data down to it
+			next_it->mBaseline.appendRecording(it->mBaseline);
+		}
+
+		// copy accumulated measurements into result buffer and clear accumulator (mBaseline)
+		it->moveBaselineToTarget();
+
+		if (it->mTargetRecording == recording)
+		{
+			// found the recording, so return it
+			break;
+		}
+	}
+
+	if (it == end_it)
+	{
+		llerrs << "Recording not active on this thread" << llendl;
+	}
+
+	return it;
+}
+
+void ThreadRecorder::deactivate( Recording* recording )
+{
+	std::list<ActiveRecording>::iterator it = update(recording);
+	if (it != mActiveRecordings.end())
+	{
+		// and if we've found the recording we wanted to update
+		std::list<ActiveRecording>::iterator next_it = it;
+		++next_it;
+		if (next_it != mActiveRecordings.end())
+		{
+			next_it->mTargetRecording->makePrimary();
+		}
+
+		mActiveRecordings.erase(it);
+	}
+}
+
+ThreadRecorder::ActiveRecording::ActiveRecording( Recording* target ) 
+:	mTargetRecording(target)
+{
+}
+
+void ThreadRecorder::ActiveRecording::moveBaselineToTarget()
+{
+	mTargetRecording->mMeasurementsFloat.write()->addSamples(*mBaseline.mMeasurementsFloat);
+	mTargetRecording->mCountsFloat.write()->addSamples(*mBaseline.mCountsFloat);
+	mTargetRecording->mMeasurements.write()->addSamples(*mBaseline.mMeasurements);
+	mTargetRecording->mCounts.write()->addSamples(*mBaseline.mCounts);
+	mTargetRecording->mStackTimers.write()->addSamples(*mBaseline.mStackTimers);
+	mBaseline.mMeasurementsFloat.write()->reset();
+	mBaseline.mCountsFloat.write()->reset();
+	mBaseline.mMeasurements.write()->reset();
+	mBaseline.mCounts.write()->reset();
+	mBaseline.mStackTimers.write()->reset();
+}
+
+
+///////////////////////////////////////////////////////////////////////
+// SlaveThreadRecorder
+///////////////////////////////////////////////////////////////////////
+
+SlaveThreadRecorder::SlaveThreadRecorder()
+{
+	getMasterThreadRecorder().addSlaveThread(this);
+}
+
+SlaveThreadRecorder::~SlaveThreadRecorder()
+{
+	getMasterThreadRecorder().removeSlaveThread(this);
+}
+
+void SlaveThreadRecorder::pushToMaster()
+{
+	mFullRecording.stop();
+	{
+		LLMutexLock(getMasterThreadRecorder().getSlaveListMutex());
+		mSharedData.copyFrom(mFullRecording);
+	}
+	mFullRecording.start();
+}
+
+void SlaveThreadRecorder::SharedData::copyFrom( const Recording& source )
+{
+	LLMutexLock lock(&mRecordingMutex);
+	mRecording.appendRecording(source);
+}
+
+void SlaveThreadRecorder::SharedData::copyTo( Recording& sink )
+{
+	LLMutexLock lock(&mRecordingMutex);
+	sink.appendRecording(mRecording);
+}
+
+///////////////////////////////////////////////////////////////////////
+// MasterThreadRecorder
+///////////////////////////////////////////////////////////////////////
+
+LLFastTimer::DeclareTimer FTM_PULL_TRACE_DATA_FROM_SLAVES("Pull slave trace data");
+void MasterThreadRecorder::pullFromSlaveThreads()
+{
+	LLFastTimer _(FTM_PULL_TRACE_DATA_FROM_SLAVES);
+	if (mActiveRecordings.empty()) return;
+
+	LLMutexLock lock(&mSlaveListMutex);
+
+	Recording& target_recording = mActiveRecordings.front().mBaseline;
+	for (slave_thread_recorder_list_t::iterator it = mSlaveThreadRecorders.begin(), end_it = mSlaveThreadRecorders.end();
+		it != end_it;
+		++it)
+	{
+		(*it)->mSharedData.copyTo(target_recording);
+	}
+}
+
+void MasterThreadRecorder::addSlaveThread( class SlaveThreadRecorder* child )
+{
+	LLMutexLock lock(&mSlaveListMutex);
+
+	mSlaveThreadRecorders.push_back(child);
+}
+
+void MasterThreadRecorder::removeSlaveThread( class SlaveThreadRecorder* child )
+{
+	LLMutexLock lock(&mSlaveListMutex);
+
+	for (slave_thread_recorder_list_t::iterator it = mSlaveThreadRecorders.begin(), end_it = mSlaveThreadRecorders.end();
+		it != end_it;
+		++it)
+	{
+		if ((*it) == child)
+		{
+			mSlaveThreadRecorders.erase(it);
+			break;
+		}
+	}
+}
+
+void MasterThreadRecorder::pushToMaster()
+{}
+
+MasterThreadRecorder::MasterThreadRecorder()
+{}
+
+}
diff --git a/indra/llcommon/lltracethreadrecorder.h b/indra/llcommon/lltracethreadrecorder.h
new file mode 100644
index 0000000000..44fe67384b
--- /dev/null
+++ b/indra/llcommon/lltracethreadrecorder.h
@@ -0,0 +1,115 @@
+/** 
+ * @file lltrace.h
+ * @brief Runtime statistics accumulation.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLTRACETHREADRECORDER_H
+#define LL_LLTRACETHREADRECORDER_H
+
+#include "stdtypes.h"
+#include "llpreprocessor.h"
+
+#include "llmutex.h"
+#include "lltracerecording.h"
+
+namespace LLTrace
+{
+	class LL_COMMON_API ThreadRecorder
+	{
+	protected:
+		struct ActiveRecording;
+	public:
+		ThreadRecorder();
+		ThreadRecorder(const ThreadRecorder& other);
+
+		virtual ~ThreadRecorder();
+
+		void activate(Recording* recording);
+		std::list<struct ActiveRecording>::iterator update(Recording* recording);
+		void deactivate(Recording* recording);
+
+		virtual void pushToMaster() = 0;
+
+	protected:
+		struct ActiveRecording
+		{
+			ActiveRecording(Recording* target);
+
+			Recording*	mTargetRecording;
+			Recording	mBaseline;
+
+			void moveBaselineToTarget();
+		};
+		Recording					mFullRecording;
+		std::list<ActiveRecording>	mActiveRecordings;
+	};
+
+	class LL_COMMON_API MasterThreadRecorder : public ThreadRecorder
+	{
+	public:
+		MasterThreadRecorder();
+
+		void addSlaveThread(class SlaveThreadRecorder* child);
+		void removeSlaveThread(class SlaveThreadRecorder* child);
+
+		/*virtual */ void pushToMaster();
+
+		// call this periodically to gather stats data from slave threads
+		void pullFromSlaveThreads();
+
+		LLMutex* getSlaveListMutex() { return &mSlaveListMutex; }
+
+	private:
+
+		typedef std::list<class SlaveThreadRecorder*> slave_thread_recorder_list_t;
+
+		slave_thread_recorder_list_t	mSlaveThreadRecorders;
+		LLMutex							mSlaveListMutex;
+	};
+
+	class LL_COMMON_API SlaveThreadRecorder : public ThreadRecorder
+	{
+	public:
+		SlaveThreadRecorder();
+		~SlaveThreadRecorder();
+
+		// call this periodically to gather stats data for master thread to consume
+		/*virtual*/ void pushToMaster();
+
+		MasterThreadRecorder* 	mMaster;
+
+		class SharedData
+		{
+		public:
+			void copyFrom(const Recording& source);
+			void copyTo(Recording& sink);
+		private:
+			LLMutex		mRecordingMutex;
+			Recording	mRecording;
+		};
+		SharedData		mSharedData;
+	};
+}
+
+#endif // LL_LLTRACETHREADRECORDER_H
diff --git a/indra/llcommon/llunit.h b/indra/llcommon/llunit.h
new file mode 100644
index 0000000000..1fe492fdce
--- /dev/null
+++ b/indra/llcommon/llunit.h
@@ -0,0 +1,379 @@
+/** 
+ * @file llunit.h
+ * @brief Unit conversion classes
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLUNIT_H
+#define LL_LLUNIT_H
+
+#include "stdtypes.h"
+#include "llpreprocessor.h"
+
+namespace LLUnits
+{
+
+template<typename T>
+struct HighestPrecisionType
+{
+	typedef T type_t;
+};
+
+template<> struct HighestPrecisionType<F32> { typedef F64 type_t; };
+template<> struct HighestPrecisionType<S32> { typedef S64 type_t; };
+template<> struct HighestPrecisionType<U32> { typedef S64 type_t; };
+template<> struct HighestPrecisionType<S16> { typedef S64 type_t; };
+template<> struct HighestPrecisionType<U16> { typedef S64 type_t; };
+template<> struct HighestPrecisionType<S8> { typedef S64 type_t; };
+template<> struct HighestPrecisionType<U8> { typedef S64 type_t; };
+
+template<typename DERIVED_UNITS_TAG, typename BASE_UNITS_TAG, typename VALUE_TYPE>
+struct ConversionFactor
+{
+	static typename HighestPrecisionType<VALUE_TYPE>::type_t get()
+	{
+		// spurious use of dependent type to stop gcc from triggering the static assertion before instantiating the template
+		llstatic_assert(sizeof(DERIVED_UNITS_TAG) == 0, "Cannot convert between types.");
+	}
+};
+
+template<typename BASE_UNITS_TAG, typename VALUE_TYPE>
+struct ConversionFactor<BASE_UNITS_TAG, BASE_UNITS_TAG, VALUE_TYPE>
+{
+	static typename HighestPrecisionType<VALUE_TYPE>::type_t get() 
+	{ 
+		return 1; 
+	}
+};
+}
+
+template<typename UNIT_TYPE, typename STORAGE_TYPE>
+struct LLUnit
+{
+	typedef LLUnit<UNIT_TYPE, STORAGE_TYPE> self_t;
+	typedef typename STORAGE_TYPE storage_t;
+
+	LLUnit(storage_t value = storage_t())
+	:	mValue(value)
+	{}
+
+	template<typename OTHER_UNIT, typename OTHER_STORAGE>
+	LLUnit(LLUnit<OTHER_UNIT, OTHER_STORAGE> other)
+	:	mValue(convert(other))
+	{}
+
+	LLUnit(self_t& other)
+	:	mValue(other.mValue)
+	{}
+
+	self_t& operator = (storage_t value)
+	{
+		mValue = value;
+		return *this;
+	}
+
+	template<typename OTHER_UNIT, typename OTHER_STORAGE>
+	self_t& operator = (LLUnit<OTHER_UNIT, OTHER_STORAGE> other)
+	{
+		mValue = convert(other);
+		return *this;
+	}
+
+	operator storage_t() const
+	{
+		return value();
+	}
+
+	storage_t value() const
+	{
+		return mValue;
+	}
+
+	template<typename NEW_UNIT_TYPE> LLUnit<NEW_UNIT_TYPE, STORAGE_TYPE> as()
+	{
+		return LLUnit<NEW_UNIT_TYPE, STORAGE_TYPE>(*this);
+	}
+
+	void operator += (storage_t value)
+	{
+		mValue += value;
+	}
+
+	template<typename OTHER_UNIT, typename OTHER_STORAGE>
+	void operator += (LLUnit<OTHER_UNIT, OTHER_STORAGE> other)
+	{
+		mValue += convert(other);
+	}
+
+	void operator -= (storage_t value)
+	{
+		mValue -= value;
+	}
+
+	template<typename OTHER_UNIT, typename OTHER_STORAGE>
+	void operator -= (LLUnit<OTHER_UNIT, OTHER_STORAGE> other)
+	{
+		mValue -= convert(other);
+	}
+
+	void operator *= (storage_t multiplicand)
+	{
+		mValue *= multiplicand;
+	}
+
+	template<typename OTHER_UNIT, typename OTHER_STORAGE>
+	void operator *= (LLUnit<OTHER_UNIT, OTHER_STORAGE> multiplicand)
+	{
+		// spurious use of dependent type to stop gcc from triggering the static assertion before instantiating the template
+		llstatic_assert(sizeof(OTHER_UNIT) == 0, "Multiplication of unit types not supported.");
+	}
+
+	void operator /= (storage_t divisor)
+	{
+		mValue /= divisor;
+	}
+
+	template<typename OTHER_UNIT, typename OTHER_STORAGE>
+	void operator /= (LLUnit<OTHER_UNIT, OTHER_STORAGE> divisor)
+	{
+		// spurious use of dependent type to stop gcc from triggering the static assertion before instantiating the template
+		llstatic_assert(sizeof(OTHER_UNIT) == 0, "Division of unit types not supported.");
+	}
+
+	template<typename SOURCE_UNITS, typename SOURCE_STORAGE>
+	static storage_t convert(LLUnit<SOURCE_UNITS, SOURCE_STORAGE> v) 
+	{ 
+		return (storage_t)(v.value() 
+			* LLUnits::ConversionFactor<SOURCE_UNITS, typename UNIT_TYPE::base_unit_t, SOURCE_STORAGE>::get() 
+			* LLUnits::ConversionFactor<typename UNIT_TYPE::base_unit_t, UNIT_TYPE, STORAGE_TYPE>::get()); 
+	}
+
+protected:
+
+	storage_t mValue;
+};
+
+template<typename UNIT_TYPE, typename STORAGE_TYPE>
+struct LLUnitStrict : public LLUnit<UNIT_TYPE, STORAGE_TYPE>
+{
+	typedef LLUnitStrict<UNIT_TYPE, STORAGE_TYPE> self_t;
+
+	explicit LLUnitStrict(storage_t value = storage_t())
+	:	LLUnit(value)
+	{}
+
+	template<typename OTHER_UNIT, typename OTHER_STORAGE>
+	LLUnitStrict(LLUnit<OTHER_UNIT, OTHER_STORAGE> other)
+	:	LLUnit(convert(other))
+	{}
+
+	LLUnitStrict(self_t& other)
+	:	LLUnit(other)
+	{}
+
+
+private:
+	operator storage_t() const
+	{
+		return value();
+	}
+};
+
+//
+// operator +
+//
+template<typename UNIT_TYPE1, typename STORAGE_TYPE1, typename UNIT_TYPE2, typename STORAGE_TYPE2>
+LLUnit<STORAGE_TYPE1, UNIT_TYPE1> operator + (LLUnit<UNIT_TYPE1, STORAGE_TYPE1> first, LLUnit<UNIT_TYPE2, STORAGE_TYPE2> second)
+{
+	LLUnit<UNIT_TYPE1, STORAGE_TYPE1> result(first);
+	result += second;
+	return result;
+}
+
+template<typename UNIT_TYPE, typename STORAGE_TYPE, typename SCALAR_TYPE>
+LLUnit<UNIT_TYPE, STORAGE_TYPE> operator + (LLUnit<UNIT_TYPE, STORAGE_TYPE> first, SCALAR_TYPE second)
+{
+	LLUnit<UNIT_TYPE, STORAGE_TYPE> result(first);
+	result += second;
+	return result;
+}
+
+template<typename UNIT_TYPE, typename STORAGE_TYPE, typename SCALAR_TYPE>
+LLUnit<UNIT_TYPE, STORAGE_TYPE> operator + (SCALAR_TYPE first, LLUnit<UNIT_TYPE, STORAGE_TYPE> second)
+{
+	LLUnit<UNIT_TYPE, STORAGE_TYPE> result(first);
+	result += second;
+	return result;
+}
+
+//
+// operator -
+//
+template<typename UNIT_TYPE1, typename STORAGE_TYPE1, typename UNIT_TYPE2, typename STORAGE_TYPE2>
+LLUnit<UNIT_TYPE1, STORAGE_TYPE1> operator - (LLUnit<UNIT_TYPE1, STORAGE_TYPE1> first, LLUnit<UNIT_TYPE2, STORAGE_TYPE2> second)
+{
+	LLUnit<UNIT_TYPE1, STORAGE_TYPE1> result(first);
+	result -= second;
+	return result;
+}
+
+
+template<typename UNIT_TYPE, typename STORAGE_TYPE, typename SCALAR_TYPE>
+LLUnit<UNIT_TYPE, STORAGE_TYPE> operator - (LLUnit<UNIT_TYPE, STORAGE_TYPE> first, SCALAR_TYPE second)
+{
+	LLUnit<UNIT_TYPE, STORAGE_TYPE> result(first);
+	result -= second;
+	return result;
+}
+
+template<typename UNIT_TYPE, typename STORAGE_TYPE, typename SCALAR_TYPE>
+LLUnit<UNIT_TYPE, STORAGE_TYPE> operator - (SCALAR_TYPE first, LLUnit<UNIT_TYPE, STORAGE_TYPE> second)
+{
+	LLUnit<UNIT_TYPE, STORAGE_TYPE> result(first);
+	result -= second;
+	return result;
+}
+
+//
+// operator *
+//
+template<typename UNIT_TYPE, typename STORAGE_TYPE, typename SCALAR_TYPE>
+LLUnit<UNIT_TYPE, STORAGE_TYPE> operator * (SCALAR_TYPE first, LLUnit<UNIT_TYPE, STORAGE_TYPE> second)
+{
+	return LLUnit<UNIT_TYPE, STORAGE_TYPE>(first * second.value());
+}
+
+template<typename UNIT_TYPE, typename STORAGE_TYPE, typename SCALAR_TYPE>
+LLUnit<UNIT_TYPE, STORAGE_TYPE> operator * (LLUnit<UNIT_TYPE, STORAGE_TYPE> first, SCALAR_TYPE second)
+{
+	return LLUnit<UNIT_TYPE, STORAGE_TYPE>(first.value() * second);
+}
+
+template<typename UNIT_TYPE1, typename STORAGE_TYPE1, typename UNIT_TYPE2, typename STORAGE_TYPE2>
+void operator * (LLUnit<UNIT_TYPE1, STORAGE_TYPE1>, LLUnit<UNIT_TYPE2, STORAGE_TYPE2>)
+{
+	// spurious use of dependent type to stop gcc from triggering the static assertion before instantiating the template
+	llstatic_assert(sizeof(STORAGE_TYPE1) == 0, "Multiplication of unit types results in new unit type - not supported.");
+}
+
+//
+// operator /
+//
+template<typename UNIT_TYPE, typename STORAGE_TYPE, typename SCALAR_TYPE>
+SCALAR_TYPE operator / (SCALAR_TYPE first, LLUnit<UNIT_TYPE, STORAGE_TYPE> second)
+{
+	return SCALAR_TYPE(first / second.value());
+}
+
+template<typename UNIT_TYPE, typename STORAGE_TYPE, typename SCALAR_TYPE>
+LLUnit<UNIT_TYPE, STORAGE_TYPE> operator / (LLUnit<UNIT_TYPE, STORAGE_TYPE> first, SCALAR_TYPE second)
+{
+	return LLUnit<UNIT_TYPE, STORAGE_TYPE>(first.value() / second);
+}
+
+template<typename UNIT_TYPE1, typename STORAGE_TYPE1, typename UNIT_TYPE2, typename STORAGE_TYPE2>
+void operator / (LLUnit<UNIT_TYPE1, STORAGE_TYPE1>, LLUnit<UNIT_TYPE2, STORAGE_TYPE2>)
+{
+	// spurious use of dependent type to stop gcc from triggering the static assertion before instantiating the template
+	llstatic_assert(sizeof(STORAGE_TYPE1) == 0, "Multiplication of unit types results in new unit type - not supported.");
+}
+
+#define COMPARISON_OPERATORS(op)                                                                     \
+template<typename UNIT_TYPE, typename STORAGE_TYPE, typename SCALAR_TYPE>                            \
+bool operator op (SCALAR_TYPE first, LLUnit<UNIT_TYPE, STORAGE_TYPE> second)                         \
+{                                                                                                    \
+	return first op second.value();                                                                  \
+}                                                                                                    \
+	                                                                                                 \
+template<typename UNIT_TYPE, typename STORAGE_TYPE, typename SCALAR_TYPE>                            \
+bool operator op (LLUnit<UNIT_TYPE, STORAGE_TYPE> first, SCALAR_TYPE second)                         \
+{                                                                                                    \
+	return first.value() op second;                                                                  \
+}                                                                                                    \
+	                                                                                                 \
+template<typename UNIT_TYPE1, typename STORAGE_TYPE1, typename UNIT_TYPE2, typename STORAGE_TYPE2>   \
+bool operator op (LLUnit<UNIT_TYPE1, STORAGE_TYPE1> first, LLUnit<UNIT_TYPE2, STORAGE_TYPE2> second) \
+{                                                                                                    \
+	return first.value() op first.convert(second);                                                   \
+}
+
+COMPARISON_OPERATORS(<)
+COMPARISON_OPERATORS(<=)
+COMPARISON_OPERATORS(>)
+COMPARISON_OPERATORS(>=)
+COMPARISON_OPERATORS(==)
+COMPARISON_OPERATORS(!=)
+
+namespace LLUnits
+{
+template<typename UNIT_TYPE, typename STORAGE_TYPE> 
+struct HighestPrecisionType<LLUnit<UNIT_TYPE, STORAGE_TYPE> >
+{
+	typedef typename HighestPrecisionType<STORAGE_TYPE>::type_t type_t;
+};
+
+#define LL_DECLARE_DERIVED_UNIT(base_unit_name, unit_name, conversion_factor)                                                                                   \
+struct unit_name                                                                                                                                                \
+{                                                                                                                                                               \
+	typedef base_unit_name base_unit_t;                                                                                                                         \
+};                                                                                                                                                              \
+template<typename STORAGE_TYPE>                                                                                                                                 \
+struct ConversionFactor<unit_name, base_unit_name, STORAGE_TYPE>                                                                                                \
+{                                                                                                                                                               \
+	static typename HighestPrecisionType<STORAGE_TYPE>::type_t get() { return typename HighestPrecisionType<STORAGE_TYPE>::type_t(conversion_factor); }         \
+};                                                                                                                                                              \
+	                                                                                                                                                            \
+template<typename STORAGE_TYPE>                                                                                                                                 \
+struct ConversionFactor<base_unit_name, unit_name, STORAGE_TYPE>						                                                                        \
+{                                                                                                                                                               \
+	static typename HighestPrecisionType<STORAGE_TYPE>::type_t get() { return typename HighestPrecisionType<STORAGE_TYPE>::type_t(1.0 / (conversion_factor)); } \
+}
+
+struct Bytes { typedef Bytes base_unit_t; };
+LL_DECLARE_DERIVED_UNIT(Bytes, Kilobytes, 1024);
+LL_DECLARE_DERIVED_UNIT(Bytes, Megabytes, 1024 * 1024);
+LL_DECLARE_DERIVED_UNIT(Bytes, Gigabytes, 1024 * 1024 * 1024);
+LL_DECLARE_DERIVED_UNIT(Bytes, Bits,	  (1.0 / 8.0));
+LL_DECLARE_DERIVED_UNIT(Bytes, Kilobits,  (1024 / 8));
+LL_DECLARE_DERIVED_UNIT(Bytes, Megabits,  (1024 / 8));
+LL_DECLARE_DERIVED_UNIT(Bytes, Gigabits,  (1024 * 1024 * 1024 / 8));
+
+struct Seconds { typedef Seconds base_unit_t; };
+LL_DECLARE_DERIVED_UNIT(Seconds, Minutes,		60);
+LL_DECLARE_DERIVED_UNIT(Seconds, Hours,			60 * 60);
+LL_DECLARE_DERIVED_UNIT(Seconds, Milliseconds,	(1.0 / 1000.0));
+LL_DECLARE_DERIVED_UNIT(Seconds, Microseconds,	(1.0 / (1000000.0)));
+LL_DECLARE_DERIVED_UNIT(Seconds, Nanoseconds,	(1.0 / (1000000000.0)));
+
+struct Meters { typedef Meters base_unit_t; };
+LL_DECLARE_DERIVED_UNIT(Meters, Kilometers, 1000);
+LL_DECLARE_DERIVED_UNIT(Meters, Centimeters, (1.0 / 100.0));
+LL_DECLARE_DERIVED_UNIT(Meters, Millimeters, (1.0 / 1000.0));
+
+struct Hertz { typedef Hertz base_unit_t; };
+LL_DECLARE_DERIVED_UNIT(Hertz, Kilohertz, 1000);
+LL_DECLARE_DERIVED_UNIT(Hertz, Megahertz, 1000 * 1000);
+LL_DECLARE_DERIVED_UNIT(Hertz, Gigahertz, 1000 * 1000 * 1000);
+}
+
+#endif // LL_LLUNIT_H
diff --git a/indra/llcommon/lluuid.cpp b/indra/llcommon/lluuid.cpp
index db8c9c85ab..83ed987d30 100644
--- a/indra/llcommon/lluuid.cpp
+++ b/indra/llcommon/lluuid.cpp
@@ -27,9 +27,7 @@
 
 // We can't use WIN32_LEAN_AND_MEAN here, needs lots of includes.
 #if LL_WINDOWS
-#undef WIN32_LEAN_AND_MEAN
-#include <winsock2.h>
-#include <windows.h>
+#include "llwin32headers.h"
 // ugh, this is ugly.  We need to straighten out our linking for this library
 #pragma comment(lib, "IPHLPAPI.lib")
 #include <iphlpapi.h>
diff --git a/indra/newview/llmemoryview.h b/indra/llcommon/llwin32headers.h
index dc4849a9c4..9c89b6b280 100644
--- a/indra/newview/llmemoryview.h
+++ b/indra/llcommon/llwin32headers.h
@@ -1,6 +1,6 @@
 /** 
- * @file llmemoryview.h
- * @brief LLMemoryView class definition
+ * @file llwindows.h
+ * @brief sanitized include of windows header files
  *
  * $LicenseInfo:firstyear=2001&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -24,39 +24,13 @@
  * $/LicenseInfo$
  */
 
-#ifndef LL_LLMEMORYVIEW_H
-#define LL_LLMEMORYVIEW_H
+#ifndef LL_LLWINDOWS_H
+#define LL_LLWINDOWS_H
 
-#include "llview.h"
-
-class LLAllocator;
-
-class LLMemoryView : public LLView
-{
-public:
-	struct Params : public LLInitParam::Block<Params, LLView::Params>
-	{
-		Params()
-		{
-			changeDefault(mouse_opaque, true);
-			changeDefault(visible, false);
-		}
-	};
-	LLMemoryView(const LLMemoryView::Params&);
-	virtual ~LLMemoryView();
-
-	virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
-	virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask);
-	virtual BOOL handleHover(S32 x, S32 y, MASK mask);
-	virtual void draw();
-
-	void refreshProfile();
-
-private:
-    std::vector<LLWString> mLines;
-	LLAllocator* mAlloc;
-	BOOL mPaused ;
-
-};
+#ifdef LL_WINDOWS
+#undef WIN32_LEAN_AND_MEAN
+#include <winsock2.h>
+#include <windows.h>
+#endif
 
 #endif
diff --git a/indra/llcommon/llwin32headerslean.h b/indra/llcommon/llwin32headerslean.h
new file mode 100644
index 0000000000..d3fb90d4b1
--- /dev/null
+++ b/indra/llcommon/llwin32headerslean.h
@@ -0,0 +1,36 @@
+/** 
+ * @file llwindows.h
+ * @brief sanitized include of windows header files
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLWINDOWS_H
+#define LL_LLWINDOWS_H
+
+#ifdef LL_WINDOWS
+#define WIN32_LEAN_AND_MEAN
+#include <winsock2.h>
+#include <windows.h>
+#endif
+
+#endif
diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp
index 916c346b7a..914bf836c1 100644
--- a/indra/llimage/llimage.cpp
+++ b/indra/llimage/llimage.cpp
@@ -30,7 +30,6 @@
 
 #include "llmath.h"
 #include "v4coloru.h"
-#include "llmemtype.h"
 
 #include "llimagebmp.h"
 #include "llimagetga.h"
@@ -96,8 +95,7 @@ LLImageBase::LLImageBase()
 	  mHeight(0),
 	  mComponents(0),
 	  mBadBufferAllocation(false),
-	  mAllowOverSize(false),
-	  mMemType(LLMemType::MTYPE_IMAGEBASE)
+	  mAllowOverSize(false)
 {
 }
 
@@ -167,8 +165,6 @@ void LLImageBase::deleteData()
 // virtual
 U8* LLImageBase::allocateData(S32 size)
 {
-	LLMemType mt1(mMemType);
-	
 	if (size < 0)
 	{
 		size = mWidth * mHeight * mComponents;
@@ -213,7 +209,6 @@ U8* LLImageBase::allocateData(S32 size)
 // virtual
 U8* LLImageBase::reallocateData(S32 size)
 {
-	LLMemType mt1(mMemType);
 	U8 *new_datap = (U8*)ALLOCATE_MEM(sPrivatePoolp, size);
 	if (!new_datap)
 	{
@@ -279,14 +274,12 @@ S32 LLImageRaw::sRawImageCount = 0;
 LLImageRaw::LLImageRaw()
 	: LLImageBase()
 {
-	mMemType = LLMemType::MTYPE_IMAGERAW;
 	++sRawImageCount;
 }
 
 LLImageRaw::LLImageRaw(U16 width, U16 height, S8 components)
 	: LLImageBase()
 {
-	mMemType = LLMemType::MTYPE_IMAGERAW;
 	//llassert( S32(width) * S32(height) * S32(components) <= MAX_IMAGE_DATA_SIZE );
 	allocateDataSize(width, height, components);
 	++sRawImageCount;
@@ -295,8 +288,6 @@ LLImageRaw::LLImageRaw(U16 width, U16 height, S8 components)
 LLImageRaw::LLImageRaw(U8 *data, U16 width, U16 height, S8 components, bool no_copy)
 	: LLImageBase()
 {
-	mMemType = LLMemType::MTYPE_IMAGERAW;
-
 	if(no_copy)
 	{
 		setDataAndSize(data, width, height, components);
@@ -375,29 +366,6 @@ BOOL LLImageRaw::resize(U16 width, U16 height, S8 components)
 	return TRUE;
 }
 
-#if 0
-U8 * LLImageRaw::getSubImage(U32 x_pos, U32 y_pos, U32 width, U32 height) const
-{
-	LLMemType mt1(mMemType);
-	U8 *data = new U8[width*height*getComponents()];
-
-	// Should do some simple bounds checking
-	if (!data)
-	{
-		llerrs << "Out of memory in LLImageRaw::getSubImage" << llendl;
-		return NULL;
-	}
-
-	U32 i;
-	for (i = y_pos; i < y_pos+height; i++)
-	{
-		memcpy(data + i*width*getComponents(),		/* Flawfinder: ignore */
-				getData() + ((y_pos + i)*getWidth() + x_pos)*getComponents(), getComponents()*width);
-	}
-	return data;
-}
-#endif
-
 BOOL LLImageRaw::setSubImage(U32 x_pos, U32 y_pos, U32 width, U32 height,
 							 const U8 *data, U32 stride, BOOL reverse_y)
 {
@@ -462,7 +430,6 @@ void LLImageRaw::clear(U8 r, U8 g, U8 b, U8 a)
 // Reverses the order of the rows in the image
 void LLImageRaw::verticalFlip()
 {
-	LLMemType mt1(mMemType);
 	S32 row_bytes = getWidth() * getComponents();
 	llassert(row_bytes > 0);
 	std::vector<U8> line_buffer(row_bytes);
@@ -595,7 +562,6 @@ void LLImageRaw::composite( LLImageRaw* src )
 // Src and dst can be any size.  Src has 4 components.  Dst has 3 components.
 void LLImageRaw::compositeScaled4onto3(LLImageRaw* src)
 {
-	LLMemType mt1(mMemType);
 	llinfos << "compositeScaled4onto3" << llendl;
 
 	LLImageRaw* dst = this;  // Just for clarity.
@@ -837,7 +803,6 @@ void LLImageRaw::copyUnscaled3onto4( LLImageRaw* src )
 // Src and dst can be any size.  Src and dst have same number of components.
 void LLImageRaw::copyScaled( LLImageRaw* src )
 {
-	LLMemType mt1(mMemType);
 	LLImageRaw* dst = this;  // Just for clarity.
 
 	llassert_always( (1 == src->getComponents()) || (3 == src->getComponents()) || (4 == src->getComponents()) );
@@ -866,57 +831,9 @@ void LLImageRaw::copyScaled( LLImageRaw* src )
 	}
 }
 
-#if 0
-//scale down image by not blending a pixel with its neighbors.
-BOOL LLImageRaw::scaleDownWithoutBlending( S32 new_width, S32 new_height)
-{
-	LLMemType mt1(mMemType);
-
-	S8 c = getComponents() ;
-	llassert((1 == c) || (3 == c) || (4 == c) );
-
-	S32 old_width = getWidth();
-	S32 old_height = getHeight();
-	
-	S32 new_data_size = old_width * new_height * c ;
-	llassert_always(new_data_size > 0);
-
-	F32 ratio_x = (F32)old_width / new_width ;
-	F32 ratio_y = (F32)old_height / new_height ;
-	if( ratio_x < 1.0f || ratio_y < 1.0f )
-	{
-		return TRUE;  // Nothing to do.
-	}
-	ratio_x -= 1.0f ;
-	ratio_y -= 1.0f ;
-
-	U8* new_data = allocateMemory(new_data_size) ;
-	llassert_always(new_data != NULL) ;
-
-	U8* old_data = getData() ;
-	S32 i, j, k, s, t;
-	for(i = 0, s = 0, t = 0 ; i < new_height ; i++)
-	{
-		for(j = 0 ; j < new_width ; j++)
-		{
-			for(k = 0 ; k < c ; k++)
-			{
-				new_data[s++] = old_data[t++] ;
-			}
-			t += (S32)(ratio_x * c + 0.1f) ;
-		}
-		t += (S32)(ratio_y * old_width * c + 0.1f) ;
-	}
-
-	setDataAndSize(new_data, new_width, new_height, c) ;
-	
-	return TRUE ;
-}
-#endif
 
 BOOL LLImageRaw::scale( S32 new_width, S32 new_height, BOOL scale_image_data )
 {
-	LLMemType mt1(mMemType);
 	llassert((1 == getComponents()) || (3 == getComponents()) || (4 == getComponents()) );
 
 	S32 old_width = getWidth();
@@ -1346,7 +1263,6 @@ LLImageFormatted::LLImageFormatted(S8 codec)
 	  mDiscardLevel(-1),
 	  mLevels(0)
 {
-	mMemType = LLMemType::MTYPE_IMAGEFORMATTED;
 }
 
 // virtual
diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h
index 5f54585005..b87ce6f060 100644
--- a/indra/llimage/llimage.h
+++ b/indra/llimage/llimage.h
@@ -30,7 +30,6 @@
 #include "lluuid.h"
 #include "llstring.h"
 #include "llthread.h"
-#include "llmemtype.h"
 
 const S32 MIN_IMAGE_MIP =  2; // 4x4, only used for expand/contract power of 2
 const S32 MAX_IMAGE_MIP = 11; // 2048x2048
@@ -176,8 +175,6 @@ private:
 	bool mAllowOverSize ;
 
 	static LLPrivateMemoryPool* sPrivatePoolp ;
-public:
-	LLMemType::DeclareMemType& mMemType; // debug
 };
 
 // Raw representation of an image (used for textures, and other uncompressed formats
@@ -211,7 +208,6 @@ public:
 	void contractToPowerOfTwo(S32 max_dim = MAX_IMAGE_SIZE, BOOL scale_image = TRUE);
 	void biasedScaleToPowerOfTwo(S32 max_dim = MAX_IMAGE_SIZE);
 	BOOL scale( S32 new_width, S32 new_height, BOOL scale_image = TRUE );
-	//BOOL scaleDownWithoutBlending( S32 new_width, S32 new_height) ;
 
 	// Fill the buffer with a constant color
 	void fill( const LLColor4U& color );
diff --git a/indra/llimage/llimagej2c.cpp b/indra/llimage/llimagej2c.cpp
index 452aad25cb..5412f98ee5 100755
--- a/indra/llimage/llimagej2c.cpp
+++ b/indra/llimage/llimagej2c.cpp
@@ -26,7 +26,6 @@
 
 #include "lldir.h"
 #include "llimagej2c.h"
-#include "llmemtype.h"
 #include "lltimer.h"
 #include "llmath.h"
 #include "llmemory.h"
@@ -161,7 +160,6 @@ BOOL LLImageJ2C::decode(LLImageRaw *raw_imagep, F32 decode_time)
 BOOL LLImageJ2C::decodeChannels(LLImageRaw *raw_imagep, F32 decode_time, S32 first_channel, S32 max_channel_count )
 {
 	LLTimer elapsed;
-	LLMemType mt1(mMemType);
 
 	BOOL res = TRUE;
 	
@@ -227,7 +225,6 @@ BOOL LLImageJ2C::encode(const LLImageRaw *raw_imagep, F32 encode_time)
 BOOL LLImageJ2C::encode(const LLImageRaw *raw_imagep, const char* comment_text, F32 encode_time)
 {
 	LLTimer elapsed;
-	LLMemType mt1(mMemType);
 	resetLastError();
 	BOOL res = mImpl->encodeImpl(*this, *raw_imagep, comment_text, encode_time, mReversible);
 	if (!mLastError.empty())
@@ -404,7 +401,6 @@ BOOL LLImageJ2C::loadAndValidate(const std::string &filename)
 
 BOOL LLImageJ2C::validate(U8 *data, U32 file_size)
 {
-	LLMemType mt1(mMemType);
 
 	resetLastError();
 	
diff --git a/indra/llimage/tests/llimageworker_test.cpp b/indra/llimage/tests/llimageworker_test.cpp
index 08476fb72c..29497257ac 100644
--- a/indra/llimage/tests/llimageworker_test.cpp
+++ b/indra/llimage/tests/llimageworker_test.cpp
@@ -31,6 +31,8 @@
 #include "../llimageworker.h"
 // For timer class
 #include "../llcommon/lltimer.h"
+// for lltrace class
+#include "../llcommon/lltrace.h"
 // Tut header
 #include "../test/lltut.h"
 
@@ -49,8 +51,7 @@ mWidth(0),
 mHeight(0),
 mComponents(0),
 mBadBufferAllocation(false),
-mAllowOverSize(false),
-mMemType(LLMemType::MTYPE_IMAGEBASE)
+mAllowOverSize(false)
 {
 }
 LLImageBase::~LLImageBase() {}
@@ -115,11 +116,13 @@ namespace tut
 		// Constructor and destructor of the test wrapper
 		imagedecodethread_test()
 		{
+			LLTrace::init();
 			mThread = NULL;
 		}
 		~imagedecodethread_test()
 		{
 			delete mThread;
+			LLTrace::cleanup();
 		}
 	};
 
@@ -137,6 +140,8 @@ namespace tut
 		imagerequest_test()
 		{
 			done = false;
+			LLTrace::init();
+
 			mRequest = new LLImageDecodeThread::ImageRequest(0, 0,
 											 LLQueuedThread::PRIORITY_NORMAL, 0, FALSE,
 											 new responder_test(&done));
@@ -146,6 +151,7 @@ namespace tut
 			// We should delete the object *but*, because its destructor is protected, that cannot be
 			// done from outside an LLImageDecodeThread instance... So we leak memory here... It's fine...
 			//delete mRequest;
+			LLTrace::cleanup();
 		}
 	};
 
diff --git a/indra/llinventory/lleconomy.h b/indra/llinventory/lleconomy.h
index eb2ecf71ba..47fcf688a2 100644
--- a/indra/llinventory/lleconomy.h
+++ b/indra/llinventory/lleconomy.h
@@ -27,6 +27,7 @@
 #define LL_LLECONOMY_H
 
 #include "llsingleton.h"
+#include <list>
 
 class LLMessageSystem;
 class LLVector3;
diff --git a/indra/llinventory/llinventory.cpp b/indra/llinventory/llinventory.cpp
index fbf23bc3f0..43aa2ab799 100644
--- a/indra/llinventory/llinventory.cpp
+++ b/indra/llinventory/llinventory.cpp
@@ -28,6 +28,7 @@
 #include "llinventory.h"
 
 #include "lldbstrings.h"
+#include "llfasttimer.h"
 #include "llinventorydefines.h"
 #include "llxorcipher.h"
 #include "llsd.h"
diff --git a/indra/llinventory/llinventory.h b/indra/llinventory/llinventory.h
index a5cfe59bda..4dda41d325 100644
--- a/indra/llinventory/llinventory.h
+++ b/indra/llinventory/llinventory.h
@@ -30,7 +30,6 @@
 #include "lldarray.h"
 #include "llfoldertype.h"
 #include "llinventorytype.h"
-#include "llmemtype.h"
 #include "llpermissions.h"
 #include "llrefcount.h"
 #include "llsaleinfo.h"
@@ -54,7 +53,6 @@ public:
 	// Initialization
 	//--------------------------------------------------------------------
 public:
-	MEM_TYPE_NEW(LLMemType::MTYPE_INVENTORY);
 	LLInventoryObject();
 	LLInventoryObject(const LLUUID& uuid, 
 					  const LLUUID& parent_uuid,
@@ -129,7 +127,6 @@ public:
 	// Initialization
 	//--------------------------------------------------------------------
 public:
-	MEM_TYPE_NEW(LLMemType::MTYPE_INVENTORY);
 	LLInventoryItem(const LLUUID& uuid,
 					const LLUUID& parent_uuid,
 					const LLPermissions& permissions,
@@ -242,7 +239,6 @@ public:
 	// Initialization
 	//--------------------------------------------------------------------
 public:
-	MEM_TYPE_NEW(LLMemType::MTYPE_INVENTORY);
 	LLInventoryCategory(const LLUUID& uuid, const LLUUID& parent_uuid,
 						LLFolderType::EType preferred_type,
 						const std::string& name);
diff --git a/indra/llkdu/tests/llimagej2ckdu_test.cpp b/indra/llkdu/tests/llimagej2ckdu_test.cpp
index b675153b2e..62c245f125 100755
--- a/indra/llkdu/tests/llimagej2ckdu_test.cpp
+++ b/indra/llkdu/tests/llimagej2ckdu_test.cpp
@@ -58,8 +58,7 @@ mWidth(0),
 mHeight(0),
 mComponents(0),
 mBadBufferAllocation(false),
-mAllowOverSize(false),
-mMemType(LLMemType::MTYPE_IMAGEBASE)
+mAllowOverSize(false)
 { }
 LLImageBase::~LLImageBase() { }
 U8* LLImageBase::allocateData(S32 ) { return NULL; }
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 85ea14f9bc..02c8d2b86f 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -35,7 +35,6 @@
 #include <cmath>
 
 #include "llerror.h"
-#include "llmemtype.h"
 
 #include "llvolumemgr.h"
 #include "v2math.h"
@@ -378,8 +377,6 @@ public:
 
 LLProfile::Face* LLProfile::addCap(S16 faceID)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	Face *face   = vector_append(mFaces, 1);
 	
 	face->mIndex = 0;
@@ -392,8 +389,6 @@ LLProfile::Face* LLProfile::addCap(S16 faceID)
 
 LLProfile::Face* LLProfile::addFace(S32 i, S32 count, F32 scaleU, S16 faceID, BOOL flat)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	Face *face   = vector_append(mFaces, 1);
 	
 	face->mIndex = i;
@@ -409,7 +404,6 @@ LLProfile::Face* LLProfile::addFace(S32 i, S32 count, F32 scaleU, S16 faceID, BO
 //static
 S32 LLProfile::getNumNGonPoints(const LLProfileParams& params, S32 sides, F32 offset, F32 bevel, F32 ang_scale, S32 split)
 { // this is basically LLProfile::genNGon stripped down to only the operations that influence the number of points
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
 	S32 np = 0;
 
 	// Generate an n-sided "circular" path.
@@ -475,8 +469,6 @@ S32 LLProfile::getNumNGonPoints(const LLProfileParams& params, S32 sides, F32 of
 // filleted and chamfered corners
 void LLProfile::genNGon(const LLProfileParams& params, S32 sides, F32 offset, F32 bevel, F32 ang_scale, S32 split)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	// Generate an n-sided "circular" path.
 	// 0 is (1,0), and we go counter-clockwise along a circular path from there.
 	const F32 tableScale[] = { 1, 1, 1, 0.5f, 0.707107f, 0.53f, 0.525f, 0.5f };
@@ -730,8 +722,6 @@ LLProfile::Face* LLProfile::addHole(const LLProfileParams& params, BOOL flat, F3
 S32 LLProfile::getNumPoints(const LLProfileParams& params, BOOL path_open,F32 detail, S32 split,
 						 BOOL is_sculpted, S32 sculpt_size)
 { // this is basically LLProfile::generate stripped down to only operations that influence the number of points
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	if (detail < MIN_LOD)
 	{
 		detail = MIN_LOD;
@@ -842,8 +832,6 @@ S32 LLProfile::getNumPoints(const LLProfileParams& params, BOOL path_open,F32 de
 BOOL LLProfile::generate(const LLProfileParams& params, BOOL path_open,F32 detail, S32 split,
 						 BOOL is_sculpted, S32 sculpt_size)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	if ((!mDirty) && (!is_sculpted))
 	{
 		return FALSE;
@@ -1116,8 +1104,6 @@ BOOL LLProfile::generate(const LLProfileParams& params, BOOL path_open,F32 detai
 
 BOOL LLProfileParams::importFile(LLFILE *fp)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	const S32 BUFSIZE = 16384;
 	char buffer[BUFSIZE];	/* Flawfinder: ignore */
 	// *NOTE: changing the size or type of these buffers will require
@@ -1193,8 +1179,6 @@ BOOL LLProfileParams::exportFile(LLFILE *fp) const
 
 BOOL LLProfileParams::importLegacyStream(std::istream& input_stream)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	const S32 BUFSIZE = 16384;
 	char buffer[BUFSIZE];	/* Flawfinder: ignore */
 	// *NOTE: changing the size or type of these buffers will require
@@ -1286,7 +1270,6 @@ bool LLProfileParams::fromLLSD(LLSD& sd)
 
 void LLProfileParams::copyParams(const LLProfileParams &params)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
 	setCurveType(params.getCurveType());
 	setBegin(params.getBegin());
 	setEnd(params.getEnd());
@@ -1503,8 +1486,6 @@ const LLVector2 LLPathParams::getEndScale() const
 
 S32 LLPath::getNumPoints(const LLPathParams& params, F32 detail)
 { // this is basically LLPath::generate stripped down to only the operations that influence the number of points
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	if (detail < MIN_LOD)
 	{
 		detail = MIN_LOD;
@@ -1554,8 +1535,6 @@ S32 LLPath::getNumPoints(const LLPathParams& params, F32 detail)
 BOOL LLPath::generate(const LLPathParams& params, F32 detail, S32 split,
 					  BOOL is_sculpted, S32 sculpt_size)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	if ((!mDirty) && (!is_sculpted))
 	{
 		return FALSE;
@@ -1683,8 +1662,6 @@ BOOL LLPath::generate(const LLPathParams& params, F32 detail, S32 split,
 BOOL LLDynamicPath::generate(const LLPathParams& params, F32 detail, S32 split,
 							 BOOL is_sculpted, S32 sculpt_size)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	mOpen = TRUE; // Draw end caps
 	if (getPathLength() == 0)
 	{
@@ -1706,8 +1683,6 @@ BOOL LLDynamicPath::generate(const LLPathParams& params, F32 detail, S32 split,
 
 BOOL LLPathParams::importFile(LLFILE *fp)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	const S32 BUFSIZE = 16384;
 	char buffer[BUFSIZE];	/* Flawfinder: ignore */
 	// *NOTE: changing the size or type of these buffers will require
@@ -1852,8 +1827,6 @@ BOOL LLPathParams::exportFile(LLFILE *fp) const
 
 BOOL LLPathParams::importLegacyStream(std::istream& input_stream)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	const S32 BUFSIZE = 16384;
 	char buffer[BUFSIZE];	/* Flawfinder: ignore */
 	// *NOTE: changing the size or type of these buffers will require
@@ -2061,8 +2034,6 @@ S32 LLVolume::sNumMeshPoints = 0;
 LLVolume::LLVolume(const LLVolumeParams &params, const F32 detail, const BOOL generate_single_face, const BOOL is_unique)
 	: mParams(params)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	mUnique = is_unique;
 	mFaceMask = 0x0;
 	mDetail = detail;
@@ -2134,7 +2105,6 @@ LLVolume::~LLVolume()
 
 BOOL LLVolume::generate()
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
 	llassert_always(mProfilep);
 	
 	//Added 10.03.05 Dave Parks
@@ -2730,8 +2700,6 @@ S32	LLVolume::getNumFaces() const
 
 void LLVolume::createVolumeFaces()
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-
 	if (mGenerateSingleFace)
 	{
 		// do nothing
@@ -2903,8 +2871,6 @@ F32 LLVolume::sculptGetSurfaceArea()
 // create placeholder shape
 void LLVolume::sculptGeneratePlaceholder()
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	S32 sizeS = mPathp->mPath.size();
 	S32 sizeT = mProfilep->mProfile.size();
 	
@@ -2941,9 +2907,6 @@ void LLVolume::sculptGenerateMapVertices(U16 sculpt_width, U16 sculpt_height, S8
 	BOOL sculpt_mirror = sculpt_type & LL_SCULPT_FLAG_MIRROR;
 	BOOL reverse_horizontal = (sculpt_invert ? !sculpt_mirror : sculpt_mirror);  // XOR
 	
-	
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	S32 sizeS = mPathp->mPath.size();
 	S32 sizeT = mProfilep->mProfile.size();
 	
@@ -3092,7 +3055,6 @@ void sculpt_calc_mesh_resolution(U16 width, U16 height, U8 type, F32 detail, S32
 // sculpt replaces generate() for sculpted surfaces
 void LLVolume::sculpt(U16 sculpt_width, U16 sculpt_height, S8 sculpt_components, const U8* sculpt_data, S32 sculpt_level)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
     U8 sculpt_type = mParams.getSculptType();
 
 	BOOL data_is_empty = FALSE;
@@ -3229,7 +3191,6 @@ bool LLVolumeParams::operator<(const LLVolumeParams &params) const
 
 void LLVolumeParams::copyParams(const LLVolumeParams &params)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
 	mProfileParams.copyParams(params.mProfileParams);
 	mPathParams.copyParams(params.mPathParams);
 	mSculptID = params.getSculptID();
@@ -3601,8 +3562,6 @@ bool LLVolumeParams::validate(U8 prof_curve, F32 prof_begin, F32 prof_end, F32 h
 
 S32 *LLVolume::getTriangleIndices(U32 &num_indices) const
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	S32 expected_num_triangle_indices = getNumTriangleIndices();
 	if (expected_num_triangle_indices > MAX_VOLUME_TRIANGLE_INDICES)
 	{
@@ -4330,8 +4289,6 @@ void LLVolume::generateSilhouetteVertices(std::vector<LLVector3> &vertices,
 										  const LLMatrix3& norm_mat_in,
 										  S32 face_mask)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-
 	LLMatrix4a mat;
 	mat.loadu(mat_in);
 
@@ -4793,241 +4750,8 @@ BOOL equalTriangle(const S32 *a, const S32 *b)
 	return FALSE;
 }
 
-BOOL LLVolume::cleanupTriangleData( const S32 num_input_vertices,
-									const std::vector<Point>& input_vertices,
-									const S32 num_input_triangles,
-									S32 *input_triangles,
-									S32 &num_output_vertices,
-									LLVector3 **output_vertices,
-									S32 &num_output_triangles,
-									S32 **output_triangles)
-{
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
-	/* Testing: avoid any cleanup
-	static BOOL skip_cleanup = TRUE;
-	if ( skip_cleanup )
-	{
-		num_output_vertices = num_input_vertices;
-		num_output_triangles = num_input_triangles;
-
-		*output_vertices = new LLVector3[num_input_vertices];
-		for (S32 index = 0; index < num_input_vertices; index++)
-		{
-			(*output_vertices)[index] = input_vertices[index].mPos;
-		}
-
-		*output_triangles = new S32[num_input_triangles*3];
-		memcpy(*output_triangles, input_triangles, 3*num_input_triangles*sizeof(S32));		// Flawfinder: ignore
-		return TRUE;
-	}
-	*/
-
-	// Here's how we do this:
-	// Create a structure which contains the original vertex index and the
-	// LLVector3 data.
-	// "Sort" the data by the vectors
-	// Create an array the size of the old vertex list, with a mapping of
-	// old indices to new indices.
-	// Go through triangles, shift so the lowest index is first
-	// Sort triangles by first index
-	// Remove duplicate triangles
-	// Allocate and pack new triangle data.
-
-	//LLTimer cleanupTimer;
-	//llinfos << "In vertices: " << num_input_vertices << llendl;
-	//llinfos << "In triangles: " << num_input_triangles << llendl;
-
-	S32 i;
-	typedef std::multiset<LLVertexIndexPair*, lessVertex> vertex_set_t;
-	vertex_set_t vertex_list;
-
-	LLVertexIndexPair *pairp = NULL;
-	for (i = 0; i < num_input_vertices; i++)
-	{
-		LLVertexIndexPair *new_pairp = new LLVertexIndexPair(input_vertices[i].mPos, i);
-		vertex_list.insert(new_pairp);
-	}
-
-	// Generate the vertex mapping and the list of vertices without
-	// duplicates.  This will crash if there are no vertices.
-	llassert(num_input_vertices > 0); // check for no vertices!
-	S32 *vertex_mapping = new S32[num_input_vertices];
-	LLVector3 *new_vertices = new LLVector3[num_input_vertices];
-	LLVertexIndexPair *prev_pairp = NULL;
-
-	S32 new_num_vertices;
-
-	new_num_vertices = 0;
-	for (vertex_set_t::iterator iter = vertex_list.begin(),
-			 end = vertex_list.end();
-		 iter != end; iter++)
-	{
-		pairp = *iter;
-		if (!prev_pairp || ((pairp->mVertex - prev_pairp->mVertex).magVecSquared() >= VERTEX_SLOP_SQRD))	
-		{
-			new_vertices[new_num_vertices] = pairp->mVertex;
-			//llinfos << "Added vertex " << new_num_vertices << " : " << pairp->mVertex << llendl;
-			new_num_vertices++;
-			// Update the previous
-			prev_pairp = pairp;
-		}
-		else
-		{
-			//llinfos << "Removed duplicate vertex " << pairp->mVertex << ", distance magVecSquared() is " << (pairp->mVertex - prev_pairp->mVertex).magVecSquared() << llendl;
-		}
-		vertex_mapping[pairp->mIndex] = new_num_vertices - 1;
-	}
-
-	// Iterate through triangles and remove degenerates, re-ordering vertices
-	// along the way.
-	S32 *new_triangles = new S32[num_input_triangles * 3];
-	S32 new_num_triangles = 0;
-
-	for (i = 0; i < num_input_triangles; i++)
-	{
-		S32 v1 = i*3;
-		S32 v2 = v1 + 1;
-		S32 v3 = v1 + 2;
-
-		//llinfos << "Checking triangle " << input_triangles[v1] << ":" << input_triangles[v2] << ":" << input_triangles[v3] << llendl;
-		input_triangles[v1] = vertex_mapping[input_triangles[v1]];
-		input_triangles[v2] = vertex_mapping[input_triangles[v2]];
-		input_triangles[v3] = vertex_mapping[input_triangles[v3]];
-
-		if ((input_triangles[v1] == input_triangles[v2])
-			|| (input_triangles[v1] == input_triangles[v3])
-			|| (input_triangles[v2] == input_triangles[v3]))
-		{
-			//llinfos << "Removing degenerate triangle " << input_triangles[v1] << ":" << input_triangles[v2] << ":" << input_triangles[v3] << llendl;
-			// Degenerate triangle, skip
-			continue;
-		}
-
-		if (input_triangles[v1] < input_triangles[v2])
-		{
-			if (input_triangles[v1] < input_triangles[v3])
-			{
-				// (0 < 1) && (0 < 2)
-				new_triangles[new_num_triangles*3] = input_triangles[v1];
-				new_triangles[new_num_triangles*3+1] = input_triangles[v2];
-				new_triangles[new_num_triangles*3+2] = input_triangles[v3];
-			}
-			else
-			{
-				// (0 < 1) && (2 < 0)
-				new_triangles[new_num_triangles*3] = input_triangles[v3];
-				new_triangles[new_num_triangles*3+1] = input_triangles[v1];
-				new_triangles[new_num_triangles*3+2] = input_triangles[v2];
-			}
-		}
-		else if (input_triangles[v2] < input_triangles[v3])
-		{
-			// (1 < 0) && (1 < 2)
-			new_triangles[new_num_triangles*3] = input_triangles[v2];
-			new_triangles[new_num_triangles*3+1] = input_triangles[v3];
-			new_triangles[new_num_triangles*3+2] = input_triangles[v1];
-		}
-		else
-		{
-			// (1 < 0) && (2 < 1)
-			new_triangles[new_num_triangles*3] = input_triangles[v3];
-			new_triangles[new_num_triangles*3+1] = input_triangles[v1];
-			new_triangles[new_num_triangles*3+2] = input_triangles[v2];
-		}
-		new_num_triangles++;
-	}
-
-	if (new_num_triangles == 0)
-	{
-		llwarns << "Created volume object with 0 faces." << llendl;
-		delete[] new_triangles;
-		delete[] vertex_mapping;
-		delete[] new_vertices;
-		return FALSE;
-	}
-
-	typedef std::set<S32*, lessTriangle> triangle_set_t;
-	triangle_set_t triangle_list;
-
-	for (i = 0; i < new_num_triangles; i++)
-	{
-		triangle_list.insert(&new_triangles[i*3]);
-	}
-
-	// Sort through the triangle list, and delete duplicates
-
-	S32 *prevp = NULL;
-	S32 *curp = NULL;
-
-	S32 *sorted_tris = new S32[new_num_triangles*3];
-	S32 cur_tri = 0;
-	for (triangle_set_t::iterator iter = triangle_list.begin(),
-			 end = triangle_list.end();
-		 iter != end; iter++)
-	{
-		curp = *iter;
-		if (!prevp || !equalTriangle(prevp, curp))
-		{
-			//llinfos << "Added triangle " << *curp << ":" << *(curp+1) << ":" << *(curp+2) << llendl;
-			sorted_tris[cur_tri*3] = *curp;
-			sorted_tris[cur_tri*3+1] = *(curp+1);
-			sorted_tris[cur_tri*3+2] = *(curp+2);
-			cur_tri++;
-			prevp = curp;
-		}
-		else
-		{
-			//llinfos << "Skipped triangle " << *curp << ":" << *(curp+1) << ":" << *(curp+2) << llendl;
-		}
-	}
-
-	*output_vertices = new LLVector3[new_num_vertices];
-	num_output_vertices = new_num_vertices;
-	for (i = 0; i < new_num_vertices; i++)
-	{
-		(*output_vertices)[i] = new_vertices[i];
-	}
-
-	*output_triangles = new S32[cur_tri*3];
-	num_output_triangles = cur_tri;
-	memcpy(*output_triangles, sorted_tris, 3*cur_tri*sizeof(S32));		/* Flawfinder: ignore */
-
-	/*
-	llinfos << "Out vertices: " << num_output_vertices << llendl;
-	llinfos << "Out triangles: " << num_output_triangles << llendl;
-	for (i = 0; i < num_output_vertices; i++)
-	{
-		llinfos << i << ":" << (*output_vertices)[i] << llendl;
-	}
-	for (i = 0; i < num_output_triangles; i++)
-	{
-		llinfos << i << ":" << (*output_triangles)[i*3] << ":" << (*output_triangles)[i*3+1] << ":" << (*output_triangles)[i*3+2] << llendl;
-	}
-	*/
-
-	//llinfos << "Out vertices: " << num_output_vertices << llendl;
-	//llinfos << "Out triangles: " << num_output_triangles << llendl;
-	delete[] vertex_mapping;
-	vertex_mapping = NULL;
-	delete[] new_vertices;
-	new_vertices = NULL;
-	delete[] new_triangles;
-	new_triangles = NULL;
-	delete[] sorted_tris;
-	sorted_tris = NULL;
-	triangle_list.clear();
-	std::for_each(vertex_list.begin(), vertex_list.end(), DeletePointer());
-	vertex_list.clear();
-	
-	return TRUE;
-}
-
-
 BOOL LLVolumeParams::importFile(LLFILE *fp)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	//llinfos << "importing volume" << llendl;
 	const S32 BUFSIZE = 16384;
 	char buffer[BUFSIZE];	/* Flawfinder: ignore */
@@ -5082,8 +4806,6 @@ BOOL LLVolumeParams::exportFile(LLFILE *fp) const
 
 BOOL LLVolumeParams::importLegacyStream(std::istream& input_stream)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	//llinfos << "importing volume" << llendl;
 	const S32 BUFSIZE = 16384;
 	// *NOTE: changing the size or type of this buffer will require
@@ -5123,8 +4845,6 @@ BOOL LLVolumeParams::importLegacyStream(std::istream& input_stream)
 
 BOOL LLVolumeParams::exportLegacyStream(std::ostream& output_stream) const
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	output_stream <<"\tshape 0\n";
 	output_stream <<"\t{\n";
 	mPathParams.exportLegacyStream(output_stream);
@@ -6340,8 +6060,6 @@ void	LerpPlanarVertex(LLVolumeFace::VertexData& v0,
 
 BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	const std::vector<LLVolume::Point>& mesh = volume->getMesh();
 	const std::vector<LLVector3>& profile = volume->getProfile().mProfile;
 	S32 max_s = volume->getProfile().getTotal();
@@ -6492,8 +6210,6 @@ BOOL LLVolumeFace::createUnCutCubeCap(LLVolume* volume, BOOL partial_build)
 
 BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	if (!(mTypeMask & HOLLOW_MASK) && 
 		!(mTypeMask & OPEN_MASK) && 
 		((volume->getParams().getPathParams().getBegin()==0.0f)&&
@@ -6880,8 +6596,6 @@ BOOL LLVolumeFace::createCap(LLVolume* volume, BOOL partial_build)
 
 void LLVolumeFace::createBinormals()
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	if (!mBinormals)
 	{
 		allocateBinormals(mNumVertices);
@@ -7153,8 +6867,6 @@ void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat_in, LLMat
 
 BOOL LLVolumeFace::createSide(LLVolume* volume, BOOL partial_build)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
-	
 	BOOL flat = mTypeMask & FLAT_MASK;
 
 	U8 sculpt_type = volume->getParams().getSculptType();
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index 2e6f9e2f71..c845556557 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -1023,17 +1023,6 @@ public:
 								   LLVector3* normal = NULL,
 								   LLVector3* bi_normal = NULL);
 	
-	// The following cleans up vertices and triangles,
-	// getting rid of degenerate triangles and duplicate vertices,
-	// and allocates new arrays with the clean data.
-	static BOOL cleanupTriangleData( const S32 num_input_vertices,
-								const std::vector<Point> &input_vertices,
-								const S32 num_input_triangles,
-								S32 *input_triangles,
-								S32 &num_output_vertices,
-								LLVector3 **output_vertices,
-								S32 &num_output_triangles,
-								S32 **output_triangles);
 	LLFaceID generateFaceMask();
 
 	BOOL isFaceMaskValid(LLFaceID face_mask);
diff --git a/indra/llmath/llvolumemgr.cpp b/indra/llmath/llvolumemgr.cpp
index c60b750088..9083273ee5 100644
--- a/indra/llmath/llvolumemgr.cpp
+++ b/indra/llmath/llvolumemgr.cpp
@@ -26,7 +26,6 @@
 #include "linden_common.h"
 
 #include "llvolumemgr.h"
-#include "llmemtype.h"
 #include "llvolume.h"
 
 
@@ -182,7 +181,6 @@ void LLVolumeMgr::insertGroup(LLVolumeLODGroup* volgroup)
 // protected
 LLVolumeLODGroup* LLVolumeMgr::createNewGroup(const LLVolumeParams& volume_params)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
 	LLVolumeLODGroup* volgroup = new LLVolumeLODGroup(volume_params);
 	insertGroup(volgroup);
 	return volgroup;
@@ -297,7 +295,6 @@ LLVolume* LLVolumeLODGroup::refLOD(const S32 detail)
 	mRefs++;
 	if (mVolumeLODs[detail].isNull())
 	{
-		LLMemType m1(LLMemType::MTYPE_VOLUME);
 		mVolumeLODs[detail] = new LLVolume(mVolumeParams, mDetailScales[detail]);
 	}
 	mLODRefs[detail]++;
diff --git a/indra/llmath/v4color.h b/indra/llmath/v4color.h
index b047f86e6e..0d632f59be 100644
--- a/indra/llmath/v4color.h
+++ b/indra/llmath/v4color.h
@@ -49,10 +49,10 @@ class LLColor4
 		LLColor4();						// Initializes LLColor4 to (0, 0, 0, 1)
 		LLColor4(F32 r, F32 g, F32 b);		// Initializes LLColor4 to (r, g, b, 1)
 		LLColor4(F32 r, F32 g, F32 b, F32 a);		// Initializes LLColor4 to (r. g, b, a)
-		LLColor4(U32 clr);							// Initializes LLColor4 to (r=clr>>24, etc))
-		LLColor4(const F32 *vec);			// Initializes LLColor4 to (vec[0]. vec[1], vec[2], 1)
 		LLColor4(const LLColor3 &vec, F32 a = 1.f);	// Initializes LLColor4 to (vec, a)
 		explicit LLColor4(const LLSD& sd);
+		explicit LLColor4(const F32 *vec);			// Initializes LLColor4 to (vec[0]. vec[1], vec[2], 1)
+		explicit LLColor4(U32 clr);							// Initializes LLColor4 to (r=clr>>24, etc))
 		explicit LLColor4(const LLColor4U& color4u);  // "explicit" to avoid automatic conversion
 		explicit LLColor4(const LLVector4& vector4);  // "explicit" to avoid automatic conversion
 
diff --git a/indra/llmessage/llassetstorage.cpp b/indra/llmessage/llassetstorage.cpp
index 9b86daebe5..328d15b4bc 100644
--- a/indra/llmessage/llassetstorage.cpp
+++ b/indra/llmessage/llassetstorage.cpp
@@ -50,10 +50,14 @@
 #include "lltransfertargetvfile.h" // For debugging
 
 #include "llmetrics.h"
+#include "lltrace.h"
 
 LLAssetStorage *gAssetStorage = NULL;
 LLMetrics *LLAssetStorage::metric_recipient = NULL;
 
+static LLTrace::Count<> sFailedDownloadCount("faileddownloads", "Number of times LLAssetStorage::getAssetData() has failed");
+
+
 const LLUUID CATEGORIZE_LOST_AND_FOUND_ID(std::string("00000000-0000-0000-0000-000000000010"));
 
 const U64 TOXIC_ASSET_LIFETIME = (120 * 1000000);		// microseconds
@@ -450,6 +454,7 @@ void LLAssetStorage::getAssetData(const LLUUID uuid, LLAssetType::EType type, LL
 
 		if (callback)
 		{
+			sFailedDownloadCount.add(1);
 			callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_FAILED, LL_EXSTAT_NONE);
 		}
 		return;
@@ -460,6 +465,7 @@ void LLAssetStorage::getAssetData(const LLUUID uuid, LLAssetType::EType type, LL
 		// Special case early out for NULL uuid and for shutting down
 		if (callback)
 		{
+			sFailedDownloadCount.add(1);
 			callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
 		}
 		return;
@@ -572,6 +578,7 @@ void LLAssetStorage::_queueDataRequest(const LLUUID& uuid, LLAssetType::EType at
 		llwarns << "Attempt to move asset data request upstream w/o valid upstream provider" << llendl;
 		if (callback)
 		{
+			sFailedDownloadCount.add(1);
 			callback(mVFS, uuid, atype, user_data, LL_ERR_CIRCUIT_GONE, LL_EXSTAT_NO_UPSTREAM);
 		}
 	}
@@ -649,6 +656,10 @@ void LLAssetStorage::downloadCompleteCallback(
 		LLAssetRequest* tmp = *curiter;
 		if (tmp->mDownCallback)
 		{
+			if (result != LL_ERR_NOERR)
+			{
+				sFailedDownloadCount.add(1);
+			}
 			tmp->mDownCallback(gAssetStorage->mVFS, req->getUUID(), req->getType(), tmp->mUserData, result, ext_status);
 		}
 		delete tmp;
@@ -669,6 +680,7 @@ void LLAssetStorage::getEstateAsset(const LLHost &object_sim, const LLUUID &agen
 		// Special case early out for NULL uuid
 		if (callback)
 		{
+			sFailedDownloadCount.add(1);
 			callback(mVFS, asset_id, atype, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
 		}
 		return;
@@ -741,6 +753,7 @@ void LLAssetStorage::getEstateAsset(const LLHost &object_sim, const LLUUID &agen
 			llwarns << "Attempt to move asset data request upstream w/o valid upstream provider" << llendl;
 			if (callback)
 			{
+				sFailedDownloadCount.add(1);
 				callback(mVFS, asset_id, atype, user_data, LL_ERR_CIRCUIT_GONE, LL_EXSTAT_NO_UPSTREAM);
 			}
 		}
@@ -783,6 +796,10 @@ void LLAssetStorage::downloadEstateAssetCompleteCallback(
 		}
 	}
 
+	if (result != LL_ERR_NOERR)
+	{
+		sFailedDownloadCount.add(1);
+	}
 	req->mDownCallback(gAssetStorage->mVFS, req->getUUID(), req->getAType(), req->mUserData, result, ext_status);
 }
 
@@ -883,6 +900,7 @@ void LLAssetStorage::getInvItemAsset(const LLHost &object_sim, const LLUUID &age
 			llwarns << "Attempt to move asset data request upstream w/o valid upstream provider" << llendl;
 			if (callback)
 			{
+				sFailedDownloadCount.add(1);
 				callback(mVFS, asset_id, atype, user_data, LL_ERR_CIRCUIT_GONE, LL_EXSTAT_NO_UPSTREAM);
 			}
 		}
@@ -925,6 +943,10 @@ void LLAssetStorage::downloadInvItemCompleteCallback(
 		}
 	}
 
+	if (result != LL_ERR_NOERR)
+	{
+		sFailedDownloadCount.add(1);
+	}
 	req->mDownCallback(gAssetStorage->mVFS, req->getUUID(), req->getType(), req->mUserData, result, ext_status);
 }
 
@@ -1237,6 +1259,7 @@ bool LLAssetStorage::deletePendingRequestImpl(LLAssetStorage::request_list_t* re
 		}
 		if (req->mDownCallback)
 		{
+			sFailedDownloadCount.add(1);
 			req->mDownCallback(mVFS, req->getUUID(), req->getType(), req->mUserData, error, LL_EXSTAT_REQUEST_DROPPED);
 		}
 		if (req->mInfoCallback)
@@ -1363,6 +1386,10 @@ void LLAssetStorage::legacyGetDataCallback(LLVFS *vfs, const LLUUID &uuid, LLAss
 		}
 	}
 
+	if (status != LL_ERR_NOERR)
+	{
+		sFailedDownloadCount.add(1);
+	}
 	legacy->mDownCallback(filename.c_str(), uuid, legacy->mUserData, status, ext_status);
 	delete legacy;
 }
diff --git a/indra/llmessage/llbuffer.cpp b/indra/llmessage/llbuffer.cpp
index 250cace6e9..01da20f060 100644
--- a/indra/llmessage/llbuffer.cpp
+++ b/indra/llmessage/llbuffer.cpp
@@ -30,7 +30,6 @@
 #include "llbuffer.h"
 
 #include "llmath.h"
-#include "llmemtype.h"
 #include "llstl.h"
 #include "llthread.h"
 
@@ -44,7 +43,6 @@ LLSegment::LLSegment() :
 	mData(NULL),
 	mSize(0)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 }
 
 LLSegment::LLSegment(S32 channel, U8* data, S32 data_len) :
@@ -52,12 +50,10 @@ LLSegment::LLSegment(S32 channel, U8* data, S32 data_len) :
 	mData(data),
 	mSize(data_len)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 }
 
 LLSegment::~LLSegment()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 }
 
 bool LLSegment::isOnChannel(S32 channel) const
@@ -104,7 +100,6 @@ LLHeapBuffer::LLHeapBuffer() :
 	mNextFree(NULL),
 	mReclaimedBytes(0)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	const S32 DEFAULT_HEAP_BUFFER_SIZE = 16384;
 	allocate(DEFAULT_HEAP_BUFFER_SIZE);
 }
@@ -115,7 +110,6 @@ LLHeapBuffer::LLHeapBuffer(S32 size) :
 	mNextFree(NULL),
 	mReclaimedBytes(0)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	allocate(size);
 }
 
@@ -125,7 +119,6 @@ LLHeapBuffer::LLHeapBuffer(const U8* src, S32 len) :
 	mNextFree(NULL),
 	mReclaimedBytes(0)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	if((len > 0) && src)
 	{
 		allocate(len);
@@ -139,7 +132,6 @@ LLHeapBuffer::LLHeapBuffer(const U8* src, S32 len) :
 // virtual
 LLHeapBuffer::~LLHeapBuffer()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	delete[] mBuffer;
 	mBuffer = NULL;
 	mSize = 0;
@@ -157,7 +149,6 @@ bool LLHeapBuffer::createSegment(
 	S32 size,
 	LLSegment& segment)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	// get actual size of the segment.
 	S32 actual_size = llmin(size, (mSize - S32(mNextFree - mBuffer)));
 
@@ -212,7 +203,6 @@ bool LLHeapBuffer::containsSegment(const LLSegment& segment) const
 
 void LLHeapBuffer::allocate(S32 size)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	mReclaimedBytes = 0;	
 	mBuffer = new U8[size];
 	if(mBuffer)
@@ -230,12 +220,10 @@ LLBufferArray::LLBufferArray() :
 	mNextBaseChannel(0),
 	mMutexp(NULL)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 }
 
 LLBufferArray::~LLBufferArray()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	std::for_each(mBuffers.begin(), mBuffers.end(), DeletePointer());
 
 	delete mMutexp;
@@ -314,7 +302,6 @@ bool LLBufferArray::append(S32 channel, const U8* src, S32 len)
 {
 	LLMutexLock lock(mMutexp) ;
 
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	std::vector<LLSegment> segments;
 	if(copyIntoBuffers(channel, src, len, segments))
 	{
@@ -329,7 +316,6 @@ bool LLBufferArray::prepend(S32 channel, const U8* src, S32 len)
 {
 	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	std::vector<LLSegment> segments;
 	if(copyIntoBuffers(channel, src, len, segments))
 	{
@@ -345,7 +331,6 @@ bool LLBufferArray::insertAfter(
 	const U8* src,
 	S32 len)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	std::vector<LLSegment> segments;
 
 	LLMutexLock lock(mMutexp) ;
@@ -366,7 +351,6 @@ LLBufferArray::segment_iterator_t LLBufferArray::splitAfter(U8* address)
 {
 	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	segment_iterator_t end = mSegments.end();
 	segment_iterator_t it = getSegment(address);
 	if(it == end)
@@ -414,7 +398,6 @@ LLBufferArray::segment_iterator_t LLBufferArray::constructSegmentAfter(
 	LLSegment& segment)
 {
 	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	segment_iterator_t rv = mSegments.begin();
 	segment_iterator_t end = mSegments.end();
 	if(!address)
@@ -578,7 +561,6 @@ U8* LLBufferArray::readAfter(
 	U8* dest,
 	S32& len) const
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	U8* rv = start;
 	if(!dest || len <= 0)
 	{
@@ -642,7 +624,6 @@ U8* LLBufferArray::seek(
 	S32 delta) const
 {
 	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	const_segment_iterator_t it;
 	const_segment_iterator_t end = mSegments.end();
 	U8* rv = start;
@@ -786,8 +767,6 @@ U8* LLBufferArray::seek(
 //test use only
 bool LLBufferArray::takeContents(LLBufferArray& source)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
-
 	LLMutexLock lock(mMutexp);
 	source.lock();
 
@@ -813,7 +792,6 @@ LLBufferArray::segment_iterator_t LLBufferArray::makeSegment(
 	S32 len)
 {
 	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	// start at the end of the buffers, because it is the most likely
 	// to have free space.
 	LLSegment segment;
@@ -852,7 +830,6 @@ LLBufferArray::segment_iterator_t LLBufferArray::makeSegment(
 bool LLBufferArray::eraseSegment(const segment_iterator_t& erase_iter)
 {
 	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 
 	// Find out which buffer contains the segment, and if it is found,
 	// ask it to reclaim the memory.
@@ -885,7 +862,6 @@ bool LLBufferArray::copyIntoBuffers(
 	std::vector<LLSegment>& segments)
 {
 	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	if(!src || !len) return false;
 	S32 copied = 0;
 	LLSegment segment;
diff --git a/indra/llmessage/llbufferstream.cpp b/indra/llmessage/llbufferstream.cpp
index 8d8ad05ad5..a51a48edc3 100644
--- a/indra/llmessage/llbufferstream.cpp
+++ b/indra/llmessage/llbufferstream.cpp
@@ -30,7 +30,6 @@
 #include "llbufferstream.h"
 
 #include "llbuffer.h"
-#include "llmemtype.h"
 #include "llthread.h"
 
 static const S32 DEFAULT_OUTPUT_SEGMENT_SIZE = 1024 * 4;
@@ -44,19 +43,16 @@ LLBufferStreamBuf::LLBufferStreamBuf(
 	mChannels(channels),
 	mBuffer(buffer)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 }
 
 LLBufferStreamBuf::~LLBufferStreamBuf()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	sync();
 }
 
 // virtual
 int LLBufferStreamBuf::underflow()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	//lldebugs << "LLBufferStreamBuf::underflow()" << llendl;
 	if(!mBuffer)
 	{
@@ -129,7 +125,6 @@ int LLBufferStreamBuf::underflow()
 // virtual
 int LLBufferStreamBuf::overflow(int c)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	if(!mBuffer)
 	{
 		return EOF;
@@ -169,7 +164,6 @@ int LLBufferStreamBuf::overflow(int c)
 // virtual
 int LLBufferStreamBuf::sync()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	int return_value = -1;
 	if(!mBuffer)
 	{
@@ -251,7 +245,6 @@ streampos LLBufferStreamBuf::seekoff(
 	std::ios::openmode which)
 #endif
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	if(!mBuffer
 	   || ((way == std::ios::beg) && (off < 0))
 	   || ((way == std::ios::end) && (off > 0)))
@@ -343,10 +336,8 @@ LLBufferStream::LLBufferStream(
 	std::iostream(&mStreamBuf),
 	mStreamBuf(channels, buffer)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 }
 
 LLBufferStream::~LLBufferStream()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 }
diff --git a/indra/llmessage/llcachename.cpp b/indra/llmessage/llcachename.cpp
index 479efabb5f..8f4af1984c 100644
--- a/indra/llmessage/llcachename.cpp
+++ b/indra/llmessage/llcachename.cpp
@@ -36,7 +36,6 @@
 #include "llsdserialize.h"
 #include "lluuid.h"
 #include "message.h"
-#include "llmemtype.h"
 
 #include <boost/regex.hpp>
 
@@ -663,7 +662,6 @@ boost::signals2::connection LLCacheName::get(const LLUUID& id, bool is_group, ol
 
 void LLCacheName::processPending()
 {
-	LLMemType mt_pp(LLMemType::MTYPE_CACHE_PROCESS_PENDING);
 	const F32 SECS_BETWEEN_PROCESS = 0.1f;
 	if(!impl.mProcessTimer.checkExpirationAndReset(SECS_BETWEEN_PROCESS))
 	{
@@ -769,7 +767,6 @@ std::string LLCacheName::getDefaultLastName()
 
 void LLCacheName::Impl::processPendingAsks()
 {
-	LLMemType mt_ppa(LLMemType::MTYPE_CACHE_PROCESS_PENDING_ASKS);
 	sendRequest(_PREHASH_UUIDNameRequest, mAskNameQueue);
 	sendRequest(_PREHASH_UUIDGroupNameRequest, mAskGroupQueue);
 	mAskNameQueue.clear();
@@ -778,7 +775,6 @@ void LLCacheName::Impl::processPendingAsks()
 
 void LLCacheName::Impl::processPendingReplies()
 {
-	LLMemType mt_ppr(LLMemType::MTYPE_CACHE_PROCESS_PENDING_REPLIES);
 	// First call all the callbacks, because they might send messages.
 	for(ReplyQueue::iterator it = mReplyQueue.begin(); it != mReplyQueue.end(); ++it)
 	{
diff --git a/indra/llmessage/llcircuit.cpp b/indra/llmessage/llcircuit.cpp
index e0410906fb..0c2d4b823d 100644
--- a/indra/llmessage/llcircuit.cpp
+++ b/indra/llmessage/llcircuit.cpp
@@ -679,7 +679,6 @@ void LLCircuitData::checkPacketInID(TPACKETID id, BOOL receive_resent)
 		setPacketInID((id + 1) % LL_MAX_OUT_PACKET_ID);
 
         mLastPacketGap = 0;
-        mOutOfOrderRate.count(0);
 		return;
 	}
 
@@ -775,7 +774,6 @@ void LLCircuitData::checkPacketInID(TPACKETID id, BOOL receive_resent)
 
 		}
 	}
-    mOutOfOrderRate.count(gap);
     mLastPacketGap = gap;
 }
 
diff --git a/indra/llmessage/llcircuit.h b/indra/llmessage/llcircuit.h
index d1c400c6a2..430d6358f7 100644
--- a/indra/llmessage/llcircuit.h
+++ b/indra/llmessage/llcircuit.h
@@ -40,7 +40,6 @@
 #include "llpacketack.h"
 #include "lluuid.h"
 #include "llthrottle.h"
-#include "llstat.h"
 
 //
 // Constants
@@ -126,8 +125,6 @@ public:
 	S32			getUnackedPacketCount() const	{ return mUnackedPacketCount; }
 	S32			getUnackedPacketBytes() const	{ return mUnackedPacketBytes; }
 	F64         getNextPingSendTime() const { return mNextPingSendTime; }
-    F32         getOutOfOrderRate(LLStatAccum::TimeScale scale = LLStatAccum::SCALE_MINUTE) 
-                    { return mOutOfOrderRate.meanValue(scale); }
     U32         getLastPacketGap() const { return mLastPacketGap; }
     LLHost      getHost() const { return mHost; }
 	F64			getLastPacketInTime() const		{ return mLastPacketInTime;	}
@@ -275,7 +272,6 @@ protected:
 	LLTimer	mExistenceTimer;	    // initialized when circuit created, used to track bandwidth numbers
 
 	S32		mCurrentResendCount;	// Number of resent packets since last spam
-    LLStatRate  mOutOfOrderRate;    // Rate of out of order packets coming in.
     U32     mLastPacketGap;         // Gap in sequence number of last packet.
 
 	const F32 mHeartbeatInterval;
diff --git a/indra/llmessage/llfiltersd2xmlrpc.cpp b/indra/llmessage/llfiltersd2xmlrpc.cpp
index e0ca056a5f..dbb8c4e28d 100644
--- a/indra/llmessage/llfiltersd2xmlrpc.cpp
+++ b/indra/llmessage/llfiltersd2xmlrpc.cpp
@@ -80,6 +80,7 @@
 
 #include "llbuffer.h"
 #include "llbufferstream.h"
+#include "llfasttimer.h"
 #include "llmemorystream.h"
 #include "llsd.h"
 #include "llsdserialize.h"
diff --git a/indra/llmessage/lliohttpserver.cpp b/indra/llmessage/lliohttpserver.cpp
index 987f386aa3..f9d37b2e39 100644
--- a/indra/llmessage/lliohttpserver.cpp
+++ b/indra/llmessage/lliohttpserver.cpp
@@ -33,16 +33,15 @@
 #include "llapr.h"
 #include "llbuffer.h"
 #include "llbufferstream.h"
+#include "llfasttimer.h"
 #include "llhttpnode.h"
 #include "lliopipe.h"
 #include "lliosocket.h"
 #include "llioutil.h"
-#include "llmemtype.h"
 #include "llmemorystream.h"
 #include "llpumpio.h"
 #include "llsd.h"
 #include "llsdserialize_xml.h"
-#include "llstat.h"
 #include "llstl.h"
 #include "lltimer.h"
 
@@ -141,6 +140,11 @@ private:
 };
 
 static LLFastTimer::DeclareTimer FTM_PROCESS_HTTP_PIPE("HTTP Pipe");
+static LLFastTimer::DeclareTimer FTM_PROCESS_HTTP_GET("HTTP Get");
+static LLFastTimer::DeclareTimer FTM_PROCESS_HTTP_PUT("HTTP Put");
+static LLFastTimer::DeclareTimer FTM_PROCESS_HTTP_POST("HTTP Post");
+static LLFastTimer::DeclareTimer FTM_PROCESS_HTTP_DELETE("HTTP Delete");
+
 LLIOPipe::EStatus LLHTTPPipe::process_impl(
 	const LLChannelDescriptors& channels,
     buffer_ptr_t& buffer,
@@ -177,12 +181,12 @@ LLIOPipe::EStatus LLHTTPPipe::process_impl(
 		std::string verb = context[CONTEXT_REQUEST][CONTEXT_VERB];
 		if(verb == HTTP_VERB_GET)
 		{
-            LLPerfBlock getblock("http_get");   
+			LLFastTimer _(FTM_PROCESS_HTTP_GET);
 			mNode.get(LLHTTPNode::ResponsePtr(mResponse), context);
 		}
 		else if(verb == HTTP_VERB_PUT)
 		{
-            LLPerfBlock putblock("http_put");
+			LLFastTimer _(FTM_PROCESS_HTTP_PUT);
 			LLSD input;
 			if (mNode.getContentType() == LLHTTPNode::CONTENT_TYPE_LLSD)
 			{
@@ -198,7 +202,7 @@ LLIOPipe::EStatus LLHTTPPipe::process_impl(
 		}
 		else if(verb == HTTP_VERB_POST)
 		{
-            LLPerfBlock postblock("http_post");
+			LLFastTimer _(FTM_PROCESS_HTTP_POST);
 			LLSD input;
 			if (mNode.getContentType() == LLHTTPNode::CONTENT_TYPE_LLSD)
 			{
@@ -214,7 +218,7 @@ LLIOPipe::EStatus LLHTTPPipe::process_impl(
 		}
 		else if(verb == HTTP_VERB_DELETE)
 		{
-            LLPerfBlock delblock("http_delete");
+			LLFastTimer _(FTM_PROCESS_HTTP_DELETE);
 			mNode.del(LLHTTPNode::ResponsePtr(mResponse), context);
 		}		
 		else if(verb == HTTP_VERB_OPTIONS)
@@ -443,7 +447,6 @@ LLIOPipe::EStatus LLHTTPResponseHeader::process_impl(
 {
 	LLFastTimer t(FTM_PROCESS_HTTP_HEADER);
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_HTTP_SERVER);
 	if(eos)
 	{
 		PUMP_DEBUG;
@@ -587,13 +590,11 @@ LLHTTPResponder::LLHTTPResponder(const LLHTTPNode& tree, const LLSD& ctx) :
 	mContentLength(0),
 	mRootNode(tree)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_HTTP_SERVER);
 }
 
 // virtual
 LLHTTPResponder::~LLHTTPResponder()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_HTTP_SERVER);
 	//lldebugs << "destroying LLHTTPResponder" << llendl;
 }
 
@@ -603,7 +604,6 @@ bool LLHTTPResponder::readHeaderLine(
 	U8* dest,
 	S32& len)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_HTTP_SERVER);
 	--len;
 	U8* last = buffer->readAfter(channels.in(), mLastRead, dest, len);
 	dest[len] = '\0';
@@ -628,7 +628,6 @@ void LLHTTPResponder::markBad(
 	const LLChannelDescriptors& channels,
 	buffer_ptr_t buffer)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_HTTP_SERVER);
 	mState = STATE_SHORT_CIRCUIT;
 	LLBufferStream out(channels, buffer.get());
 	out << HTTP_VERSION_STR << " 400 Bad Request\r\n\r\n<html>\n"
@@ -648,7 +647,6 @@ LLIOPipe::EStatus LLHTTPResponder::process_impl(
 {
 	LLFastTimer t(FTM_PROCESS_HTTP_RESPONDER);
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_HTTP_SERVER);
 	LLIOPipe::EStatus status = STATUS_OK;
 
 	// parsing headers
diff --git a/indra/llmessage/lliopipe.h b/indra/llmessage/lliopipe.h
index cbd17b5a3d..9a0a427efd 100644
--- a/indra/llmessage/lliopipe.h
+++ b/indra/llmessage/lliopipe.h
@@ -31,6 +31,7 @@
 
 #include <boost/intrusive_ptr.hpp>
 #include <boost/shared_ptr.hpp>
+#include "llwin32headerslean.h"
 #include "apr_poll.h"
 
 #include "llsd.h"
diff --git a/indra/llmessage/lliosocket.cpp b/indra/llmessage/lliosocket.cpp
index d5b4d45821..1383d37f41 100644
--- a/indra/llmessage/lliosocket.cpp
+++ b/indra/llmessage/lliosocket.cpp
@@ -32,8 +32,8 @@
 #include "llapr.h"
 
 #include "llbuffer.h"
+#include "llfasttimer.h"
 #include "llhost.h"
-#include "llmemtype.h"
 #include "llpumpio.h"
 
 //
@@ -100,7 +100,6 @@ void ll_debug_socket(const char* msg, apr_socket_t* apr_sock)
 // static
 LLSocket::ptr_t LLSocket::create(apr_pool_t* pool, EType type, U16 port)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	LLSocket::ptr_t rv;
 	apr_socket_t* socket = NULL;
 	apr_pool_t* new_pool = NULL;
@@ -198,7 +197,6 @@ LLSocket::ptr_t LLSocket::create(apr_pool_t* pool, EType type, U16 port)
 // static
 LLSocket::ptr_t LLSocket::create(apr_socket_t* socket, apr_pool_t* pool)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	LLSocket::ptr_t rv;
 	if(!socket)
 	{
@@ -240,12 +238,10 @@ LLSocket::LLSocket(apr_socket_t* socket, apr_pool_t* pool) :
 	mPort(PORT_INVALID)
 {
 	ll_debug_socket("Constructing wholely formed socket", mSocket);
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 }
 
 LLSocket::~LLSocket()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	// *FIX: clean up memory we are holding.
 	if(mSocket)
 	{
@@ -265,7 +261,6 @@ LLSocket::~LLSocket()
 
 void LLSocket::setBlocking(S32 timeout)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	// set up the socket options
 	ll_apr_warn_status(apr_socket_timeout_set(mSocket, timeout));
 	ll_apr_warn_status(apr_socket_opt_set(mSocket, APR_SO_NONBLOCK, 0));
@@ -276,7 +271,6 @@ void LLSocket::setBlocking(S32 timeout)
 
 void LLSocket::setNonBlocking()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	// set up the socket options
 	ll_apr_warn_status(apr_socket_timeout_set(mSocket, 0));
 	ll_apr_warn_status(apr_socket_opt_set(mSocket, APR_SO_NONBLOCK, 1));
@@ -293,12 +287,10 @@ LLIOSocketReader::LLIOSocketReader(LLSocket::ptr_t socket) :
 	mSource(socket),
 	mInitialized(false)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 }
 
 LLIOSocketReader::~LLIOSocketReader()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	//lldebugs << "Destroying LLIOSocketReader" << llendl;
 }
 
@@ -314,7 +306,6 @@ LLIOPipe::EStatus LLIOSocketReader::process_impl(
 {
 	LLFastTimer t(FTM_PROCESS_SOCKET_READER);
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	if(!mSource) return STATUS_PRECONDITION_NOT_MET;
 	if(!mInitialized)
 	{
@@ -396,12 +387,10 @@ LLIOSocketWriter::LLIOSocketWriter(LLSocket::ptr_t socket) :
 	mLastWritten(NULL),
 	mInitialized(false)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 }
 
 LLIOSocketWriter::~LLIOSocketWriter()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	//lldebugs << "Destroying LLIOSocketWriter" << llendl;
 }
 
@@ -416,7 +405,6 @@ LLIOPipe::EStatus LLIOSocketWriter::process_impl(
 {
 	LLFastTimer t(FTM_PROCESS_SOCKET_WRITER);
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	if(!mDestination) return STATUS_PRECONDITION_NOT_MET;
 	if(!mInitialized)
 	{
@@ -550,12 +538,10 @@ LLIOServerSocket::LLIOServerSocket(
 	mInitialized(false),
 	mResponseTimeout(DEFAULT_CHAIN_EXPIRY_SECS)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 }
 
 LLIOServerSocket::~LLIOServerSocket()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	//lldebugs << "Destroying LLIOServerSocket" << llendl;
 }
 
@@ -575,7 +561,6 @@ LLIOPipe::EStatus LLIOServerSocket::process_impl(
 {
 	LLFastTimer t(FTM_PROCESS_SERVER_SOCKET);
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_TCP);
 	if(!pump)
 	{
 		llwarns << "Need a pump for server socket." << llendl;
diff --git a/indra/llmessage/lliosocket.h b/indra/llmessage/lliosocket.h
index be0f7dfcc6..ec998552d0 100644
--- a/indra/llmessage/lliosocket.h
+++ b/indra/llmessage/lliosocket.h
@@ -38,6 +38,7 @@
  */
 
 #include "lliopipe.h"
+#include "llwin32headerslean.h"
 #include "apr_pools.h"
 #include "apr_network_io.h"
 #include "llchainio.h"
diff --git a/indra/llmessage/llioutil.cpp b/indra/llmessage/llioutil.cpp
index 8c50fd5069..9fd49d23d4 100644
--- a/indra/llmessage/llioutil.cpp
+++ b/indra/llmessage/llioutil.cpp
@@ -28,6 +28,7 @@
 
 #include "linden_common.h"
 #include "llioutil.h"
+#include "llfasttimer.h"
 
 /**
  * LLIOFlush
diff --git a/indra/llmessage/llmail.cpp b/indra/llmessage/llmail.cpp
index 08b31e9c7a..dc27f2ca4a 100644
--- a/indra/llmessage/llmail.cpp
+++ b/indra/llmessage/llmail.cpp
@@ -29,12 +29,7 @@
 #include "llmail.h"
 
 // APR on Windows needs full windows headers
-#ifdef LL_WINDOWS
-#	undef WIN32_LEAN_AND_MEAN
-#	include <winsock2.h>
-#	include <windows.h>
-#endif
-
+#include "llwin32headers.h"
 #include <string>
 #include <sstream>
 
diff --git a/indra/llmessage/llmessagetemplate.h b/indra/llmessage/llmessagetemplate.h
index 16d825d33b..ae8e0087c1 100644
--- a/indra/llmessage/llmessagetemplate.h
+++ b/indra/llmessage/llmessagetemplate.h
@@ -29,7 +29,6 @@
 
 #include "lldarray.h"
 #include "message.h" // TODO: babbage: Remove...
-#include "llstat.h"
 #include "llstl.h"
 
 class LLMsgVarData
@@ -263,6 +262,7 @@ enum EMsgDeprecation
 	MD_DEPRECATED
 };
 
+
 class LLMessageTemplate
 {
 public:
@@ -364,7 +364,6 @@ public:
 	{
 		if (mHandlerFunc)
 		{
-            LLPerfBlock msg_cb_time("msg_cb", mName);
 			mHandlerFunc(msgsystem, mUserData);
 			return TRUE;
 		}
diff --git a/indra/llmessage/llpumpio.cpp b/indra/llmessage/llpumpio.cpp
index f3ef4f2684..e3f09f34ee 100644
--- a/indra/llmessage/llpumpio.cpp
+++ b/indra/llmessage/llpumpio.cpp
@@ -34,9 +34,8 @@
 #include "apr_poll.h"
 
 #include "llapr.h"
-#include "llmemtype.h"
+#include "llfasttimer.h"
 #include "llstl.h"
-#include "llstat.h"
 
 // These should not be enabled in production, but they can be
 // intensely useful during development for finding certain kinds of
@@ -153,7 +152,6 @@ struct ll_delete_apr_pollset_fd_client_data
 	typedef std::pair<LLIOPipe::ptr_t, apr_pollfd_t> pipe_conditional_t;
 	void operator()(const pipe_conditional_t& conditional)
 	{
-		LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 		S32* client_id = (S32*)conditional.second.client_data;
 		delete client_id;
 	}
@@ -177,19 +175,16 @@ LLPumpIO::LLPumpIO(apr_pool_t* pool) :
 {
 	mCurrentChain = mRunningChains.end();
 
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	initialize(pool);
 }
 
 LLPumpIO::~LLPumpIO()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	cleanup();
 }
 
 bool LLPumpIO::prime(apr_pool_t* pool)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	cleanup();
 	initialize(pool);
 	return ((pool == NULL) ? false : true);
@@ -197,7 +192,6 @@ bool LLPumpIO::prime(apr_pool_t* pool)
 
 bool LLPumpIO::addChain(const chain_t& chain, F32 timeout, bool has_curl_request)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	if(chain.empty()) return false;
 
 #if LL_THREADS_APR
@@ -233,7 +227,6 @@ bool LLPumpIO::addChain(
 	LLSD context,
 	F32 timeout)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 
 	// remember that if the caller is providing a full link
 	// description, we need to have that description matched to a
@@ -311,7 +304,6 @@ static std::string events_2_string(apr_int16_t events)
 
 bool LLPumpIO::setConditional(LLIOPipe* pipe, const apr_pollfd_t* poll)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	if(!pipe) return false;
 	ll_debug_poll_fd("Set conditional", poll);
 
@@ -423,7 +415,6 @@ bool LLPumpIO::sleepChain(F64 seconds)
 
 bool LLPumpIO::copyCurrentLinkInfo(links_t& links) const
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	if(mRunningChains.end() == mCurrentChain)
 	{
 		return false;
@@ -441,6 +432,7 @@ void LLPumpIO::pump()
 }
 
 static LLFastTimer::DeclareTimer FTM_PUMP_IO("Pump IO");
+static LLFastTimer::DeclareTimer FTM_PUMP_POLL("Pump Poll");
 
 LLPumpIO::current_chain_t LLPumpIO::removeRunningChain(LLPumpIO::current_chain_t& run_chain) 
 {
@@ -454,7 +446,6 @@ LLPumpIO::current_chain_t LLPumpIO::removeRunningChain(LLPumpIO::current_chain_t
 //timeout is in microseconds
 void LLPumpIO::pump(const S32& poll_timeout)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	LLFastTimer t1(FTM_PUMP_IO);
 	//llinfos << "LLPumpIO::pump()" << llendl;
 
@@ -536,7 +527,7 @@ void LLPumpIO::pump(const S32& poll_timeout)
 		S32 count = 0;
 		S32 client_id = 0;
         {
-            LLPerfBlock polltime("pump_poll");
+			LLFastTimer _(FTM_PUMP_POLL);
             apr_pollset_poll(mPollset, poll_timeout, &count, &poll_fd);
         }
 		PUMP_DEBUG;
@@ -747,7 +738,6 @@ void LLPumpIO::pump(const S32& poll_timeout)
 
 bool LLPumpIO::respond(LLIOPipe* pipe)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	if(NULL == pipe) return false;
 
 #if LL_THREADS_APR
@@ -766,7 +756,6 @@ bool LLPumpIO::respond(
 	LLIOPipe::buffer_ptr_t data,
 	LLSD context)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	// if the caller is providing a full link description, we need to
 	// have that description matched to a particular buffer.
 	if(!data) return false;
@@ -789,7 +778,6 @@ static LLFastTimer::DeclareTimer FTM_PUMP_CALLBACK_CHAIN("Chain");
 
 void LLPumpIO::callback()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	//llinfos << "LLPumpIO::callback()" << llendl;
 	if(true)
 	{
@@ -840,7 +828,6 @@ void LLPumpIO::control(LLPumpIO::EControl op)
 
 void LLPumpIO::initialize(apr_pool_t* pool)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	if(!pool) return;
 #if LL_THREADS_APR
 	// SJB: Windows defaults to NESTED and OSX defaults to UNNESTED, so use UNNESTED explicitly.
@@ -852,7 +839,6 @@ void LLPumpIO::initialize(apr_pool_t* pool)
 
 void LLPumpIO::cleanup()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 #if LL_THREADS_APR
 	if(mChainsMutex) apr_thread_mutex_destroy(mChainsMutex);
 	if(mCallbackMutex) apr_thread_mutex_destroy(mCallbackMutex);
@@ -875,7 +861,6 @@ void LLPumpIO::cleanup()
 
 void LLPumpIO::rebuildPollset()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 //	lldebugs << "LLPumpIO::rebuildPollset()" << llendl;
 	if(mPollset)
 	{
@@ -928,7 +913,6 @@ void LLPumpIO::rebuildPollset()
 void LLPumpIO::processChain(LLChainInfo& chain)
 {
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	LLIOPipe::EStatus status = LLIOPipe::STATUS_OK;
 	links_t::iterator it = chain.mHead;
 	links_t::iterator end = chain.mChainLinks.end();
@@ -1130,7 +1114,6 @@ bool LLPumpIO::handleChainError(
 	LLChainInfo& chain,
 	LLIOPipe::EStatus error)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	links_t::reverse_iterator rit;
 	if(chain.mHead == chain.mChainLinks.end())
 	{
@@ -1194,13 +1177,11 @@ LLPumpIO::LLChainInfo::LLChainInfo() :
 	mEOS(false),
 	mHasCurlRequest(false)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	mTimer.setTimerExpirySec(DEFAULT_CHAIN_EXPIRY_SECS);
 }
 
 void LLPumpIO::LLChainInfo::setTimeoutSeconds(F32 timeout)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	if(timeout > 0.0f)
 	{
 		mTimer.start();
@@ -1215,7 +1196,6 @@ void LLPumpIO::LLChainInfo::setTimeoutSeconds(F32 timeout)
 
 void LLPumpIO::LLChainInfo::adjustTimeoutSeconds(F32 delta)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	if(mTimer.getStarted())
 	{
 		F64 expiry = mTimer.expiresAt();
diff --git a/indra/llmessage/llsdrpcclient.cpp b/indra/llmessage/llsdrpcclient.cpp
index 91fd070f07..05b27f582c 100644
--- a/indra/llmessage/llsdrpcclient.cpp
+++ b/indra/llmessage/llsdrpcclient.cpp
@@ -30,8 +30,8 @@
 #include "llsdrpcclient.h"
 
 #include "llbufferstream.h"
+#include "llfasttimer.h"
 #include "llfiltersd2xmlrpc.h"
-#include "llmemtype.h"
 #include "llpumpio.h"
 #include "llsd.h"
 #include "llsdserialize.h"
@@ -50,18 +50,15 @@ LLSDRPCResponse::LLSDRPCResponse() :
 	mIsError(false),
 	mIsFault(false)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
 }
 
 // virtual
 LLSDRPCResponse::~LLSDRPCResponse()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
 }
 
 bool LLSDRPCResponse::extractResponse(const LLSD& sd)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
 	bool rv = true;
 	if(sd.has(LLSDRPC_RESPONSE_NAME))
 	{
@@ -94,7 +91,6 @@ LLIOPipe::EStatus LLSDRPCResponse::process_impl(
 {
 	LLFastTimer t(FTM_SDRPC_RESPONSE);
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
 	if(mIsError)
 	{
 		error(pump);
@@ -119,13 +115,11 @@ LLSDRPCClient::LLSDRPCClient() :
 	mState(STATE_NONE),
 	mQueue(EPBQ_PROCESS)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
 }
 
 // virtual
 LLSDRPCClient::~LLSDRPCClient()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
 }
 
 bool LLSDRPCClient::call(
@@ -135,7 +129,6 @@ bool LLSDRPCClient::call(
 	LLSDRPCResponse* response,
 	EPassBackQueue queue)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
 	//llinfos << "RPC: " << uri << "." << method << "(" << *parameter << ")"
 	//		<< llendl;
 	if(method.empty() || !response)
@@ -162,7 +155,6 @@ bool LLSDRPCClient::call(
 	LLSDRPCResponse* response,
 	EPassBackQueue queue)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
 	//llinfos << "RPC: " << uri << "." << method << "(" << parameter << ")"
 	//		<< llendl;
 	if(method.empty() || parameter.empty() || !response)
@@ -193,7 +185,6 @@ LLIOPipe::EStatus LLSDRPCClient::process_impl(
 {
 	LLFastTimer t(FTM_PROCESS_SDRPC_CLIENT);
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
 	if((STATE_NONE == mState) || (!pump))
 	{
 		// You should have called the call() method already.
diff --git a/indra/llmessage/llsdrpcserver.cpp b/indra/llmessage/llsdrpcserver.cpp
index 9f776aca72..2c233c1c0d 100644
--- a/indra/llmessage/llsdrpcserver.cpp
+++ b/indra/llmessage/llsdrpcserver.cpp
@@ -31,7 +31,7 @@
 
 #include "llbuffer.h"
 #include "llbufferstream.h"
-#include "llmemtype.h"
+#include "llfasttimer.h"
 #include "llpumpio.h"
 #include "llsdserialize.h"
 #include "llstl.h"
@@ -58,12 +58,10 @@ LLSDRPCServer::LLSDRPCServer() :
 	mPump(NULL),
 	mLock(0)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_SERVER);
 }
 
 LLSDRPCServer::~LLSDRPCServer()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_SERVER);
 	std::for_each(
 		mMethods.begin(),
 		mMethods.end(),
@@ -109,7 +107,6 @@ LLIOPipe::EStatus LLSDRPCServer::process_impl(
 {
 	LLFastTimer t(FTM_PROCESS_SDRPC_SERVER);
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_SD_SERVER);
 //	lldebugs << "LLSDRPCServer::process_impl" << llendl;
 	// Once we have all the data, We need to read the sd on
 	// the the in channel, and respond on  the out channel
@@ -253,7 +250,6 @@ ESDRPCSStatus LLSDRPCServer::callMethod(
 	const LLChannelDescriptors& channels,
 	LLBufferArray* response)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_SERVER);
 	// Try to find the method in the method table.
 	ESDRPCSStatus rv = ESDRPCS_DONE;
 	method_map_t::iterator it = mMethods.find(method);
@@ -292,7 +288,6 @@ ESDRPCSStatus LLSDRPCServer::callbackMethod(
 	const LLChannelDescriptors& channels,
 	LLBufferArray* response)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_SERVER);
 	// Try to find the method in the callback method table.
 	ESDRPCSStatus rv = ESDRPCS_DONE;
 	method_map_t::iterator it = mCallbackMethods.find(method);
@@ -320,7 +315,6 @@ void LLSDRPCServer::buildFault(
 	S32 code,
 	const std::string& msg)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_SERVER);
 	LLBufferStream ostr(channels, data);
 	ostr << FAULT_PART_1 << code << FAULT_PART_2 << msg << FAULT_PART_3;
 	llinfos << "LLSDRPCServer::buildFault: " << code << ", " << msg << llendl;
@@ -332,7 +326,6 @@ void LLSDRPCServer::buildResponse(
 	LLBufferArray* data,
 	const LLSD& response)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_SD_SERVER);
 	LLBufferStream ostr(channels, data);
 	ostr << RESPONSE_PART_1;
 	LLSDSerialize::toNotation(response, ostr);
diff --git a/indra/llmessage/llurlrequest.cpp b/indra/llmessage/llurlrequest.cpp
index f3f0007205..0e5fe1de08 100644
--- a/indra/llmessage/llurlrequest.cpp
+++ b/indra/llmessage/llurlrequest.cpp
@@ -33,8 +33,8 @@
 #include <openssl/x509_vfy.h>
 #include <openssl/ssl.h>
 #include "llcurl.h"
+#include "llfasttimer.h"
 #include "llioutil.h"
-#include "llmemtype.h"
 #include "llproxy.h"
 #include "llpumpio.h"
 #include "llsd.h"
@@ -81,7 +81,6 @@ LLURLRequestDetail::LLURLRequestDetail() :
 	mIsBodyLimitSet(false),
     mSSLVerifyCallback(NULL)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	mCurlRequest = new LLCurlEasyRequest();
 	
 	if(!mCurlRequest->isValid()) //failed.
@@ -93,7 +92,6 @@ LLURLRequestDetail::LLURLRequestDetail() :
 
 LLURLRequestDetail::~LLURLRequestDetail()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	delete mCurlRequest;
 	mLastRead = NULL;
 }
@@ -156,7 +154,6 @@ std::string LLURLRequest::actionAsVerb(LLURLRequest::ERequestAction action)
 LLURLRequest::LLURLRequest(LLURLRequest::ERequestAction action) :
 	mAction(action)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	initialize();
 }
 
@@ -165,21 +162,18 @@ LLURLRequest::LLURLRequest(
 	const std::string& url) :
 	mAction(action)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	initialize();
 	setURL(url);
 }
 
 LLURLRequest::~LLURLRequest()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	delete mDetail;
 	mDetail = NULL ;
 }
 
 void LLURLRequest::setURL(const std::string& url)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	mDetail->mURL = url;
 }
 
@@ -190,7 +184,6 @@ std::string LLURLRequest::getURL() const
 
 void LLURLRequest::addHeader(const char* header)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	mDetail->mCurlRequest->slist_append(header);
 }
 
@@ -202,7 +195,6 @@ void LLURLRequest::setBodyLimit(U32 size)
 
 void LLURLRequest::setCallback(LLURLRequestComplete* callback)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	mCompletionCallback = callback;
 	mDetail->mCurlRequest->setHeaderCallback(&headerCallback, (void*)callback);
 }
@@ -267,8 +259,6 @@ LLIOPipe::EStatus LLURLRequest::handleError(
 	LLIOPipe::EStatus status,
 	LLPumpIO* pump)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
-	
 	if(!isValid())
 	{
 		return STATUS_EXPIRED ;
@@ -291,6 +281,8 @@ LLIOPipe::EStatus LLURLRequest::handleError(
 static LLFastTimer::DeclareTimer FTM_PROCESS_URL_REQUEST("URL Request");
 static LLFastTimer::DeclareTimer FTM_PROCESS_URL_REQUEST_GET_RESULT("Get Result");
 static LLFastTimer::DeclareTimer FTM_URL_PERFORM("Perform");
+static LLFastTimer::DeclareTimer FTM_PROCESS_URL_PUMP_RESPOND("Pump Respond");
+static LLFastTimer::DeclareTimer FTM_URL_ADJUST_TIMEOUT("Adjust Timeout");
 
 // virtual
 LLIOPipe::EStatus LLURLRequest::process_impl(
@@ -302,7 +294,6 @@ LLIOPipe::EStatus LLURLRequest::process_impl(
 {
 	LLFastTimer t(FTM_PROCESS_URL_REQUEST);
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	//llinfos << "LLURLRequest::process_impl()" << llendl;
 	if (!buffer) return STATUS_ERROR;
 	
@@ -311,7 +302,6 @@ LLIOPipe::EStatus LLURLRequest::process_impl(
 	const S32 MIN_ACCUMULATION = 100000;
 	if(pump && (mDetail->mByteAccumulator > MIN_ACCUMULATION))
 	{
-		static LLFastTimer::DeclareTimer FTM_URL_ADJUST_TIMEOUT("Adjust Timeout");
 		LLFastTimer t(FTM_URL_ADJUST_TIMEOUT);
 		 // This is a pretty sloppy calculation, but this
 		 // tries to make the gross assumption that if data
@@ -409,7 +399,6 @@ LLIOPipe::EStatus LLURLRequest::process_impl(
 						link.mChannels = LLBufferArray::makeChannelConsumer(
 							channels);
 						chain.push_back(link);
-						static LLFastTimer::DeclareTimer FTM_PROCESS_URL_PUMP_RESPOND("Pump Respond");
 						{
 							LLFastTimer t(FTM_PROCESS_URL_PUMP_RESPOND);
 							pump->respond(chain, buffer, context);
@@ -455,7 +444,6 @@ LLIOPipe::EStatus LLURLRequest::process_impl(
 
 void LLURLRequest::initialize()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	mState = STATE_INITIALIZED;
 	mDetail = new LLURLRequestDetail;
 
@@ -476,7 +464,6 @@ bool LLURLRequest::configure()
 {
 	LLFastTimer t(FTM_URL_REQUEST_CONFIGURE);
 	
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	bool rv = false;
 	S32 bytes = mDetail->mResponseBuffer->countAfter(
    		mDetail->mChannels.in(),
@@ -556,7 +543,6 @@ size_t LLURLRequest::downCallback(
 	size_t nmemb,
 	void* user)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	LLURLRequest* req = (LLURLRequest*)user;
 	if(STATE_WAITING_FOR_RESPONSE == req->mState)
 	{
@@ -592,7 +578,6 @@ size_t LLURLRequest::upCallback(
 	size_t nmemb,
 	void* user)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	LLURLRequest* req = (LLURLRequest*)user;
 	S32 bytes = llmin(
 		(S32)(size * nmemb),
@@ -690,7 +675,6 @@ LLIOPipe::EStatus LLContextURLExtractor::process_impl(
 {
 	LLFastTimer t(FTM_PROCESS_URL_EXTRACTOR);
 	PUMP_DEBUG;
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	// The destination host is in the context.
 	if(context.isUndefined() || !mRequest)
 	{
@@ -718,13 +702,11 @@ LLIOPipe::EStatus LLContextURLExtractor::process_impl(
 LLURLRequestComplete::LLURLRequestComplete() :
 	mRequestStatus(LLIOPipe::STATUS_ERROR)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 }
 
 // virtual
 LLURLRequestComplete::~LLURLRequestComplete()
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 }
 
 //virtual 
@@ -763,7 +745,6 @@ void LLURLRequestComplete::noResponse()
 
 void LLURLRequestComplete::responseStatus(LLIOPipe::EStatus status)
 {
-	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	mRequestStatus = status;
 }
 
diff --git a/indra/llmessage/message.cpp b/indra/llmessage/message.cpp
index 6a425cfe98..ae95087377 100644
--- a/indra/llmessage/message.cpp
+++ b/indra/llmessage/message.cpp
@@ -80,7 +80,6 @@
 #include "v3math.h"
 #include "v4math.h"
 #include "lltransfertargetvfile.h"
-#include "llmemtype.h"
 
 // Constants
 //const char* MESSAGE_LOG_FILENAME = "message.log";
@@ -793,7 +792,6 @@ S32	LLMessageSystem::getReceiveBytes() const
 
 void LLMessageSystem::processAcks()
 {
-	LLMemType mt_pa(LLMemType::MTYPE_MESSAGE_PROCESS_ACKS);
 	F64 mt_sec = getMessageTimeSeconds();
 	{
 		gTransferManager.updateTransfers();
@@ -4020,7 +4018,6 @@ void LLMessageSystem::setTimeDecodesSpamThreshold( F32 seconds )
 // TODO: babbage: move gServicePump in to LLMessageSystem?
 bool LLMessageSystem::checkAllMessages(S64 frame_count, LLPumpIO* http_pump)
 {
-	LLMemType mt_cam(LLMemType::MTYPE_MESSAGE_CHECK_ALL);
 	if(checkMessages(frame_count))
 	{
 		return true;
diff --git a/indra/llmessage/net.cpp b/indra/llmessage/net.cpp
index 85aef5da00..6f8508ee8c 100644
--- a/indra/llmessage/net.cpp
+++ b/indra/llmessage/net.cpp
@@ -32,9 +32,7 @@
 #include <stdexcept>
 
 #if LL_WINDOWS
-	#define WIN32_LEAN_AND_MEAN
-	#include <winsock2.h>
-	#include <windows.h>
+#include "llwin32headerslean.h"
 #else
 	#include <sys/types.h>
 	#include <sys/socket.h>
diff --git a/indra/llplugin/llpluginprocesschild.h b/indra/llplugin/llpluginprocesschild.h
index a9d6794e40..531422e792 100644
--- a/indra/llplugin/llpluginprocesschild.h
+++ b/indra/llplugin/llpluginprocesschild.h
@@ -29,6 +29,7 @@
 #ifndef LL_LLPLUGINPROCESSCHILD_H
 #define LL_LLPLUGINPROCESSCHILD_H
 
+#include <queue>
 #include "llpluginmessage.h"
 #include "llpluginmessagepipe.h"
 #include "llplugininstance.h"
diff --git a/indra/llplugin/llpluginprocessparent.h b/indra/llplugin/llpluginprocessparent.h
index 990fc5cbae..24be7eb148 100644
--- a/indra/llplugin/llpluginprocessparent.h
+++ b/indra/llplugin/llpluginprocessparent.h
@@ -29,6 +29,8 @@
 #ifndef LL_LLPLUGINPROCESSPARENT_H
 #define LL_LLPLUGINPROCESSPARENT_H
 
+#include <queue>
+
 #include "llapr.h"
 #include "llprocess.h"
 #include "llpluginmessage.h"
diff --git a/indra/llplugin/tests/llplugincookiestore_test.cpp b/indra/llplugin/tests/llplugincookiestore_test.cpp
index aefa1ca144..c2cb236cba 100644
--- a/indra/llplugin/tests/llplugincookiestore_test.cpp
+++ b/indra/llplugin/tests/llplugincookiestore_test.cpp
@@ -27,6 +27,7 @@
  */
 
 #include "linden_common.h"
+#include <list>
 #include "../test/lltut.h"
 
 #include "../llplugincookiestore.h"
diff --git a/indra/llprimitive/llprimitive.cpp b/indra/llprimitive/llprimitive.cpp
index 6dee192783..946251f383 100755
--- a/indra/llprimitive/llprimitive.cpp
+++ b/indra/llprimitive/llprimitive.cpp
@@ -27,7 +27,6 @@
 #include "linden_common.h"
 
 #include "material_codes.h"
-#include "llmemtype.h"
 #include "llerror.h"
 #include "message.h"
 #include "llprimitive.h"
@@ -189,7 +188,6 @@ void LLPrimitive::clearTextureList()
 // static
 LLPrimitive *LLPrimitive::createPrimitive(LLPCode p_code)
 {
-	LLMemType m1(LLMemType::MTYPE_PRIMITIVE);
 	LLPrimitive *retval = new LLPrimitive();
 	
 	if (retval)
@@ -207,7 +205,6 @@ LLPrimitive *LLPrimitive::createPrimitive(LLPCode p_code)
 //===============================================================
 void LLPrimitive::init_primitive(LLPCode p_code)
 {
-	LLMemType m1(LLMemType::MTYPE_PRIMITIVE);
 	clearTextureList();
 	mPrimitiveCode = p_code;
 }
@@ -705,7 +702,6 @@ S32	face_index_from_id(LLFaceID face_ID, const std::vector<LLProfile::Face>& fac
 
 BOOL LLPrimitive::setVolume(const LLVolumeParams &volume_params, const S32 detail, bool unique_volume)
 {
-	LLMemType m1(LLMemType::MTYPE_VOLUME);
 	LLVolume *volumep;
 	if (unique_volume)
 	{
diff --git a/indra/llprimitive/llprimtexturelist.cpp b/indra/llprimitive/llprimtexturelist.cpp
index 36e04df7b7..7ef87ed382 100644
--- a/indra/llprimitive/llprimtexturelist.cpp
+++ b/indra/llprimitive/llprimtexturelist.cpp
@@ -28,7 +28,6 @@
 
 #include "llprimtexturelist.h"
 #include "lltextureentry.h"
-#include "llmemtype.h"
 
 // static 
 //int (TMyClass::*pt2Member)(float, char, char) = NULL;                // C++
@@ -367,7 +366,6 @@ S32 LLPrimTextureList::size() const
 // sets the size of the mEntryList container
 void LLPrimTextureList::setSize(S32 new_size)
 {
-	LLMemType m1(LLMemType::MTYPE_PRIMITIVE);
 	if (new_size < 0)
 	{
 		new_size = 0;
diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp
index 647512eb2e..9a3bb7560a 100644
--- a/indra/llrender/llfontgl.cpp
+++ b/indra/llrender/llfontgl.cpp
@@ -29,6 +29,7 @@
 #include "llfontgl.h"
 
 // Linden library includes
+#include "llfasttimer.h"
 #include "llfontfreetype.h"
 #include "llfontbitmapcache.h"
 #include "llfontregistry.h"
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 0b56b3889c..9e4857b6bc 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -44,7 +44,6 @@
 #include "llmath.h"
 #include "m4math.h"
 #include "llstring.h"
-#include "llmemtype.h"
 #include "llstacktrace.h"
 
 #include "llglheaders.h"
@@ -2323,7 +2322,6 @@ void LLGLNamePool::release(GLuint name)
 //static
 void LLGLNamePool::upkeepPools()
 {
-	LLMemType mt(LLMemType::MTYPE_UPKEEP_POOLS);
 	for (tracker_t::instance_iter iter = beginInstances(); iter != endInstances(); ++iter)
 	{
 		LLGLNamePool & pool = *iter;
diff --git a/indra/llrender/llglheaders.h b/indra/llrender/llglheaders.h
index 509de51f4d..c9ce0d5588 100644
--- a/indra/llrender/llglheaders.h
+++ b/indra/llrender/llglheaders.h
@@ -540,9 +540,7 @@ extern PFNGLBINDBUFFERRANGEPROC glBindBufferRange;
 // LL_WINDOWS
 
 // windows gl headers depend on things like APIENTRY, so include windows.
-#define WIN32_LEAN_AND_MEAN
-#include <winsock2.h>
-#include <windows.h>
+#include "llwin32headerslean.h"
 
 //----------------------------------------------------------------------------
 #include <GL/gl.h>
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index a4d7872ec2..751309af20 100755
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -32,6 +32,7 @@
 #include "llimagegl.h"
 
 #include "llerror.h"
+#include "llfasttimer.h"
 #include "llimage.h"
 
 #include "llmath.h"
@@ -50,9 +51,9 @@ U32 wpo2(U32 i);
 
 U32 LLImageGL::sUniqueCount				= 0;
 U32 LLImageGL::sBindCount				= 0;
-S32 LLImageGL::sGlobalTextureMemoryInBytes		= 0;
-S32 LLImageGL::sBoundTextureMemoryInBytes		= 0;
-S32 LLImageGL::sCurBoundTextureMemory	= 0;
+LLUnit<LLUnits::Bytes, S32> LLImageGL::sGlobalTextureMemory		= 0;
+LLUnit<LLUnits::Bytes, S32> LLImageGL::sBoundTextureMemory		= 0;
+LLUnit<LLUnits::Bytes, S32> LLImageGL::sCurBoundTextureMemory	= 0;
 S32 LLImageGL::sCount					= 0;
 LLImageGL::dead_texturelist_t LLImageGL::sDeadTextureList[LLTexUnit::TT_NONE];
 U32 LLImageGL::sCurTexName = 1;
@@ -243,7 +244,7 @@ void LLImageGL::updateStats(F32 current_time)
 {
 	LLFastTimer t(FTM_IMAGE_UPDATE_STATS);
 	sLastFrameTime = current_time;
-	sBoundTextureMemoryInBytes = sCurBoundTextureMemory;
+	sBoundTextureMemory = sCurBoundTextureMemory;
 	sCurBoundTextureMemory = 0;
 }
 
@@ -251,7 +252,7 @@ void LLImageGL::updateStats(F32 current_time)
 S32 LLImageGL::updateBoundTexMem(const S32 mem, const S32 ncomponents, S32 category)
 {
 	LLImageGL::sCurBoundTextureMemory += mem ;
-	return LLImageGL::sCurBoundTextureMemory;
+	return LLImageGL::sCurBoundTextureMemory.value();
 }
 
 //----------------------------------------------------------------------------
@@ -1395,7 +1396,7 @@ BOOL LLImageGL::createGLTexture(S32 discard_level, const U8* data_in, BOOL data_
 
 	if (old_name != 0)
 	{
-		sGlobalTextureMemoryInBytes -= mTextureMemory;
+		sGlobalTextureMemory -= mTextureMemory;
 
 		LLImageGL::deleteTextures(mBindTarget, mFormatInternal, mMipLevels, 1, &old_name);
 
@@ -1403,7 +1404,7 @@ BOOL LLImageGL::createGLTexture(S32 discard_level, const U8* data_in, BOOL data_
 	}
 
 	mTextureMemory = getMipBytes(discard_level);
-	sGlobalTextureMemoryInBytes += mTextureMemory;
+	sGlobalTextureMemory += mTextureMemory;
 	mTexelsInGLTexture = getWidth() * getHeight() ;
 
 	// mark this as bound at this point, so we don't throw it out immediately
@@ -1562,7 +1563,7 @@ void LLImageGL::destroyGLTexture()
 	{
 		if(mTextureMemory)
 		{
-			sGlobalTextureMemoryInBytes -= mTextureMemory;
+			sGlobalTextureMemory -= mTextureMemory;
 			mTextureMemory = 0;
 		}
 		
diff --git a/indra/llrender/llimagegl.h b/indra/llrender/llimagegl.h
index cf3c484c79..11555e20c4 100755
--- a/indra/llrender/llimagegl.h
+++ b/indra/llrender/llimagegl.h
@@ -34,6 +34,7 @@
 #include "llpointer.h"
 #include "llrefcount.h"
 #include "v2math.h"
+#include "llunit.h"
 
 #include "llrender.h"
 class LLTextureAtlas ;
@@ -245,9 +246,9 @@ public:
 	static F32 sLastFrameTime;
 
 	// Global memory statistics
-	static S32 sGlobalTextureMemoryInBytes;		// Tracks main memory texmem
-	static S32 sBoundTextureMemoryInBytes;	// Tracks bound texmem for last completed frame
-	static S32 sCurBoundTextureMemory;		// Tracks bound texmem for current frame
+	static LLUnit<LLUnits::Bytes, S32> sGlobalTextureMemory;	// Tracks main memory texmem
+	static LLUnit<LLUnits::Bytes, S32> sBoundTextureMemory;	// Tracks bound texmem for last completed frame
+	static LLUnit<LLUnits::Bytes, S32> sCurBoundTextureMemory;		// Tracks bound texmem for current frame
 	static U32 sBindCount;					// Tracks number of texture binds for current frame
 	static U32 sUniqueCount;				// Tracks number of unique texture binds for current frame
 	static BOOL sGlobalUseAnisotropic;
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index 846311a8d0..c1b96a43da 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -51,11 +51,13 @@ void check_framebuffer_status()
 }
 
 bool LLRenderTarget::sUseFBO = false;
+U32 LLRenderTarget::sCurFBO = 0;
 
 LLRenderTarget::LLRenderTarget() :
 	mResX(0),
 	mResY(0),
 	mFBO(0),
+	mPreviousFBO(0),
 	mDepth(0),
 	mStencil(0),
 	mUseDepth(false),
@@ -107,6 +109,9 @@ void LLRenderTarget::resize(U32 resx, U32 resy, U32 color_fmt)
 
 bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo, S32 samples)
 {
+	resx = llmin(resx, (U32) 4096);
+	resy = llmin(resy, (U32) 4096);
+
 	stop_glerror();
 	release();
 	stop_glerror();
@@ -146,7 +151,7 @@ bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, boo
 				glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0);
 				stop_glerror();
 			}
-			glBindFramebuffer(GL_FRAMEBUFFER, 0);
+			glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
 		}
 		
 		stop_glerror();
@@ -233,7 +238,7 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt)
 
 		check_framebuffer_status();
 		
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
 	}
 
 	mTex.push_back(tex);
@@ -322,7 +327,7 @@ void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target)
 
 		check_framebuffer_status();
 
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
 
 		target.mUseDepth = true;
 	}
@@ -385,9 +390,13 @@ void LLRenderTarget::bindTarget()
 {
 	if (mFBO)
 	{
+		mPreviousFBO = sCurFBO;
+
 		stop_glerror();
 		
 		glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+		sCurFBO = mFBO;
+
 		stop_glerror();
 		if (gGLManager.mHasDrawBuffers)
 		{ //setup multiple render targets
@@ -413,16 +422,6 @@ void LLRenderTarget::bindTarget()
 	sBoundTarget = this;
 }
 
-// static
-void LLRenderTarget::unbindTarget()
-{
-	if (gGLManager.mHasFramebufferObject)
-	{
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
-	}
-	sBoundTarget = NULL;
-}
-
 void LLRenderTarget::clear(U32 mask_in)
 {
 	U32 mask = GL_COLOR_BUFFER_BIT;
@@ -488,7 +487,8 @@ void LLRenderTarget::flush(bool fetch_depth)
 	else
 	{
 		stop_glerror();
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, mPreviousFBO);
+		sCurFBO = mPreviousFBO;
 		stop_glerror();
 	}
 }
@@ -518,7 +518,7 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0,
 		stop_glerror();
 		glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1);
 		stop_glerror();
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
 		stop_glerror();
 	}
 	else
@@ -535,7 +535,7 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0,
 		stop_glerror();
 		glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
 		stop_glerror();
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
 		stop_glerror();
 	}
 }
@@ -561,7 +561,7 @@ void LLRenderTarget::copyContentsToFramebuffer(LLRenderTarget& source, S32 srcX0
 		stop_glerror();
 		glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
 		stop_glerror();
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO);
 		stop_glerror();
 	}
 }
diff --git a/indra/llrender/llrendertarget.h b/indra/llrender/llrendertarget.h
index e1a51304f1..cf15f66d31 100644
--- a/indra/llrender/llrendertarget.h
+++ b/indra/llrender/llrendertarget.h
@@ -63,6 +63,7 @@ public:
 	//whether or not to use FBO implementation
 	static bool sUseFBO; 
 	static U32 sBytesAllocated;
+	static U32 sCurFBO;
 
 	LLRenderTarget();
 	~LLRenderTarget();
@@ -96,9 +97,6 @@ public:
 	//applies appropriate viewport
 	void bindTarget();
 
-	//unbind target for rendering
-	static void unbindTarget();
-	
 	//clear render targer, clears depth buffer if present,
 	//uses scissor rect if in copy-to-texture mode
 	void clear(U32 mask = 0xFFFFFFFF);
@@ -148,6 +146,7 @@ protected:
 	std::vector<U32> mTex;
 	std::vector<U32> mInternalFormat;
 	U32 mFBO;
+	U32 mPreviousFBO;
 	U32 mDepth;
 	bool mStencil;
 	bool mUseDepth;
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 2fe0aa0b72..5801f93e53 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -26,12 +26,11 @@
 
 #include "linden_common.h"
 
-#include <boost/static_assert.hpp>
+#include "llfasttimer.h"
 #include "llsys.h"
 #include "llvertexbuffer.h"
 // #include "llrender.h"
 #include "llglheaders.h"
-#include "llmemtype.h"
 #include "llrender.h"
 #include "llvector4a.h"
 #include "llshadermgr.h"
@@ -870,7 +869,6 @@ void LLVertexBuffer::unbind()
 //static
 void LLVertexBuffer::cleanupClass()
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_CLEANUP_CLASS);
 	unbind();
 	
 	sStreamIBOPool.cleanup();
@@ -951,8 +949,6 @@ LLVertexBuffer::LLVertexBuffer(U32 typemask, S32 usage) :
 	mMappable(false),
 	mFence(NULL)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_CONSTRUCTOR);
-
 	mMappable = (mUsage == GL_DYNAMIC_DRAW_ARB && !sDisableVBOMapping);
 
 	//zero out offsets
@@ -1012,7 +1008,6 @@ S32 LLVertexBuffer::getSize() const
 //virtual
 LLVertexBuffer::~LLVertexBuffer()
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTRUCTOR);
 	destroyGLBuffer();
 	destroyGLIndices();
 
@@ -1132,8 +1127,6 @@ void LLVertexBuffer::releaseIndices()
 
 void LLVertexBuffer::createGLBuffer(U32 size)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_CREATE_VERTICES);
-	
 	if (mGLBuffer)
 	{
 		destroyGLBuffer();
@@ -1163,8 +1156,6 @@ void LLVertexBuffer::createGLBuffer(U32 size)
 
 void LLVertexBuffer::createGLIndices(U32 size)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_CREATE_INDICES);
-	
 	if (mGLIndices)
 	{
 		destroyGLIndices();
@@ -1199,7 +1190,6 @@ void LLVertexBuffer::createGLIndices(U32 size)
 
 void LLVertexBuffer::destroyGLBuffer()
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTROY_BUFFER);
 	if (mGLBuffer)
 	{
 		if (mMappedDataUsingVBOs)
@@ -1220,7 +1210,6 @@ void LLVertexBuffer::destroyGLBuffer()
 
 void LLVertexBuffer::destroyGLIndices()
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTROY_INDICES);
 	if (mGLIndices)
 	{
 		if (mMappedIndexDataUsingVBOs)
@@ -1241,8 +1230,6 @@ void LLVertexBuffer::destroyGLIndices()
 
 void LLVertexBuffer::updateNumVerts(S32 nverts)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_UPDATE_VERTS);
-
 	llassert(nverts >= 0);
 
 	if (nverts > 65536)
@@ -1265,8 +1252,6 @@ void LLVertexBuffer::updateNumVerts(S32 nverts)
 
 void LLVertexBuffer::updateNumIndices(S32 nindices)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_UPDATE_INDICES);
-
 	llassert(nindices >= 0);
 
 	U32 needed_size = sizeof(U16) * nindices;
@@ -1283,8 +1268,6 @@ void LLVertexBuffer::updateNumIndices(S32 nindices)
 
 void LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_ALLOCATE_BUFFER);
-	
 	stop_glerror();
 
 	if (nverts < 0 || nindices < 0 ||
@@ -1435,8 +1418,6 @@ void LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices)
 	llassert(newnverts >= 0);
 	llassert(newnindices >= 0);
 
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_RESIZE_BUFFER);
-	
 	updateNumVerts(newnverts);		
 	updateNumIndices(newnindices);
 	
@@ -1484,7 +1465,6 @@ static LLFastTimer::DeclareTimer FTM_VBO_MAP_BUFFER("VBO Map");
 volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range)
 {
 	bindGLBuffer(true);
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_MAP_BUFFER);
 	if (mFinal)
 	{
 		llerrs << "LLVertexBuffer::mapVeretxBuffer() called on a finalized buffer." << llendl;
@@ -1533,7 +1513,6 @@ volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, boo
 
 		if (!mVertexLocked)
 		{
-			LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_VERTICES);
 			mVertexLocked = true;
 			sMappedCount++;
 			stop_glerror();	
@@ -1664,7 +1643,6 @@ static LLFastTimer::DeclareTimer FTM_VBO_MAP_INDEX("IBO Map");
 
 volatile U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_MAP_BUFFER);
 	bindGLIndices(true);
 	if (mFinal)
 	{
@@ -1711,8 +1689,6 @@ volatile U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range
 
 		if (!mIndexLocked)
 		{
-			LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_INDICES);
-
 			mIndexLocked = true;
 			sMappedCount++;
 			stop_glerror();	
@@ -1835,7 +1811,6 @@ static LLFastTimer::DeclareTimer FTM_IBO_FLUSH_RANGE("Flush IBO Range");
 
 void LLVertexBuffer::unmapBuffer()
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_UNMAP_BUFFER);
 	if (!useVBOs())
 	{
 		return; //nothing to unmap
@@ -2189,7 +2164,6 @@ void LLVertexBuffer::setBuffer(U32 data_mask)
 {
 	flush();
 
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_SET_BUFFER);
 	//set up pointers if the data mask is different ...
 	bool setup = (sLastMask != data_mask);
 
@@ -2331,7 +2305,6 @@ void LLVertexBuffer::setBuffer(U32 data_mask)
 // virtual (default)
 void LLVertexBuffer::setupVertexBuffer(U32 data_mask)
 {
-	LLMemType mt2(LLMemType::MTYPE_VERTEX_SETUP_VERTEX_BUFFER);
 	stop_glerror();
 	volatile U8* base = useVBOs() ? (U8*) mAlignedOffset : mMappedData;
 
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index 054b9173d3..a29ad12d23 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -1105,17 +1105,26 @@ void LLFloater::handleReshape(const LLRect& new_rect, bool by_user)
 	const LLRect old_rect = getRect();
 	LLView::handleReshape(new_rect, by_user);
 
-	if (by_user && !isMinimized())
+	if (by_user && !getHost())
 	{
+		static_cast<LLFloaterView*>(getParent())->adjustToFitScreen(this, !isMinimized());
+	}
+
+	// if not minimized, adjust all snapped dependents to new shape
+	if (!isMinimized())
+	{
+		if (by_user)
+		{
+			if (isDocked())
+			{
+				setDocked( false, false);
+			}
 		storeRectControl();
 		mPositioning = LLFloaterEnums::POSITIONING_RELATIVE;
 		LLRect screen_rect = calcScreenRect();
 		mPosition = LLCoordGL(screen_rect.getCenterX(), screen_rect.getCenterY()).convert();
 	}
 
-	// if not minimized, adjust all snapped dependents to new shape
-	if (!isMinimized())
-	{
 		// gather all snapped dependents
 		for(handle_set_iter_t dependent_it = mDependents.begin();
 			dependent_it != mDependents.end(); ++dependent_it)
@@ -1712,55 +1721,9 @@ void LLFloater::onClickHelp( LLFloater* self )
 }
 
 // static 
-LLFloater* LLFloater::getClosableFloaterFromFocus()
-{
-	LLFloater* focused_floater = NULL;
-	LLInstanceTracker<LLFloater>::instance_iter it = beginInstances();
-	LLInstanceTracker<LLFloater>::instance_iter end_it = endInstances();
-	for (; it != end_it; ++it)
-	{
-		if (it->hasFocus())
-		{
-			LLFloater& floater = *it;
-			focused_floater = &floater;
-			break;
-		}
-	}
-
-	if (it == endInstances())
-	{
-		// nothing found, return
-		return NULL;
-	}
-
-	// The focused floater may not be closable,
-	// Find and close a parental floater that is closeable, if any.
-	LLFloater* prev_floater = NULL;
-	for(LLFloater* floater_to_close = focused_floater;
-		NULL != floater_to_close; 
-		floater_to_close = gFloaterView->getParentFloater(floater_to_close))
-	{
-		if(floater_to_close->isCloseable())
-		{
-			return floater_to_close;
-		}
-
-		// If floater has as parent root view
-		// gFloaterView->getParentFloater(floater_to_close) returns
-		// the same floater_to_close, so we need to check this.
-		if (prev_floater == floater_to_close) {
-			break;
-		}
-		prev_floater = floater_to_close;
-	}
-
-	return NULL;
-}
-
-// static
-void LLFloater::closeFocusedFloater()
+void LLFloater::closeFrontmostFloater()
 {
-	LLFloater* floater_to_close = LLFloater::getClosableFloaterFromFocus();
+	LLFloater* floater_to_close = gFloaterView->getFrontmostClosableFloater();
 	if(floater_to_close)
 	{
 		floater_to_close->closeFloater();
@@ -2478,6 +2441,24 @@ void LLFloaterView::highlightFocusedFloater()
 	}
 }
 
+LLFloater* LLFloaterView::getFrontmostClosableFloater()
+{
+	child_list_const_iter_t child_it;
+	LLFloater* frontmost_floater = NULL;
+
+	for ( child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
+	{
+		frontmost_floater = (LLFloater *)(*child_it);
+
+		if (frontmost_floater->isInVisibleChain() && frontmost_floater->isCloseable())
+		{
+			return frontmost_floater;
+		}
+	}
+
+	return NULL;
+}
+
 void LLFloaterView::unhighlightFocusedFloater()
 {
 	for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
@@ -3104,7 +3085,7 @@ bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::str
 			parser.readXUI(node, output_params, LLUICtrlFactory::getInstance()->getCurFileName());
 			setupParamsForExport(output_params, parent);
 			output_node->setName(node->getName()->mString);
-			parser.writeXUI(output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 			return TRUE;
 		}
 
@@ -3134,9 +3115,8 @@ bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::str
 	{
 		Params output_params(params);
 		setupParamsForExport(output_params, parent);
-        Params default_params(LLUICtrlFactory::getDefaultParams<LLFloater>());
 		output_node->setName(node->getName()->mString);
-		parser.writeXUI(output_node, output_params, &default_params);
+		parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 	}
 
 	// Default floater position to top-left corner of screen
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index e64b6d04d3..aef63bcf93 100644
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -325,12 +325,10 @@ public:
 
 	virtual void    setTornOff(bool torn_off) { mTornOff = torn_off; }
 
-	// Return a closeable floater, if any, given the current focus.
-	static LLFloater* getClosableFloaterFromFocus(); 
 
-	// Close the floater returned by getClosableFloaterFromFocus() and 
+	// Close the floater returned by getFrontmostClosableFloater() and 
 	// handle refocusing.
-	static void		closeFocusedFloater();
+	static void		closeFrontmostFloater();
 
 //	LLNotification::Params contextualNotification(const std::string& name) 
 //	{ 
@@ -559,6 +557,7 @@ public:
 	S32 getZOrder(LLFloater* child);
 
 	void setFloaterSnapView(LLHandle<LLView> snap_view) {mSnapView = snap_view; }
+	LLFloater* getFrontmostClosableFloater(); 
 
 private:
 	void hiddenFloaterClosed(LLFloater* floater);
diff --git a/indra/llui/llfloaterreg.h b/indra/llui/llfloaterreg.h
index a1e1f8a988..e3b17dcb4f 100644
--- a/indra/llui/llfloaterreg.h
+++ b/indra/llui/llfloaterreg.h
@@ -30,6 +30,7 @@
 #include "llrect.h"
 #include "llsd.h"
 
+#include <list>
 #include <boost/function.hpp>
 
 //*******************************************************
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index efb9848a90..cd6cc6a75e 100644
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -1764,6 +1764,25 @@ bool LLMenuGL::addChild(LLView* view, S32 tab_group)
 	return false;
 }
 
+// Used in LLContextMenu and in LLTogleableMenu
+// to add an item of context menu branch
+bool LLMenuGL::addContextChild(LLView* view, S32 tab_group)
+{
+	LLContextMenu* context = dynamic_cast<LLContextMenu*>(view);
+	if (context)
+		return appendContextSubMenu(context);
+
+	LLMenuItemSeparatorGL* separator = dynamic_cast<LLMenuItemSeparatorGL*>(view);
+	if (separator)
+		return append(separator);
+
+	LLMenuItemGL* item = dynamic_cast<LLMenuItemGL*>(view);
+	if (item)
+		return append(item);
+
+	return false;
+}
+
 void LLMenuGL::removeChild( LLView* ctrl)
 {
 	// previously a dynamic_cast with if statement to check validity
@@ -2501,6 +2520,30 @@ BOOL LLMenuGL::appendMenu( LLMenuGL* menu )
 	return success;
 }
 
+// add a context menu branch
+BOOL LLMenuGL::appendContextSubMenu(LLMenuGL *menu)
+{
+	if (menu == this)
+	{
+		llerrs << "Can't attach a context menu to itself" << llendl;
+	}
+
+	LLContextMenuBranch *item;
+	LLContextMenuBranch::Params p;
+	p.name = menu->getName();
+	p.label = menu->getLabel();
+	p.branch = (LLContextMenu *)menu;
+	p.enabled_color=LLUIColorTable::instance().getColor("MenuItemEnabledColor");
+	p.disabled_color=LLUIColorTable::instance().getColor("MenuItemDisabledColor");
+	p.highlight_bg_color=LLUIColorTable::instance().getColor("MenuItemHighlightBgColor");
+	p.highlight_fg_color=LLUIColorTable::instance().getColor("MenuItemHighlightFgColor");
+
+	item = LLUICtrlFactory::create<LLContextMenuBranch>(p);
+	LLMenuGL::sMenuContainer->addChild(item->getBranch());
+
+	return append( item );
+}
+
 void LLMenuGL::setEnabledSubMenus(BOOL enable)
 {
 	setEnabled(enable);
@@ -3725,39 +3768,6 @@ void LLTearOffMenu::closeTearOff()
 	mMenu->setDropShadowed(TRUE);
 }
 
-
-//-----------------------------------------------------------------------------
-// class LLContextMenuBranch
-// A branch to another context menu
-//-----------------------------------------------------------------------------
-class LLContextMenuBranch : public LLMenuItemGL
-{
-public:
-	struct Params : public LLInitParam::Block<Params, LLMenuItemGL::Params>
-	{
-		Mandatory<LLContextMenu*> branch;
-	};
-
-	LLContextMenuBranch(const Params&);
-
-	virtual ~LLContextMenuBranch()
-	{}
-
-	// called to rebuild the draw label
-	virtual void	buildDrawLabel( void );
-
-	// onCommit() - do the primary funcationality of the menu item.
-	virtual void	onCommit( void );
-
-	LLContextMenu*	getBranch() { return mBranch.get(); }
-	void			setHighlight( BOOL highlight );
-
-protected:
-	void	showSubMenu();
-
-	LLHandle<LLContextMenu> mBranch;
-};
-
 LLContextMenuBranch::LLContextMenuBranch(const LLContextMenuBranch::Params& p) 
 :	LLMenuItemGL(p),
 	mBranch( p.branch()->getHandle() )
@@ -4034,44 +4044,8 @@ void LLContextMenu::draw()
 	LLMenuGL::draw();
 }
 
-BOOL LLContextMenu::appendContextSubMenu(LLContextMenu *menu)
-{
-	
-	if (menu == this)
-	{
-		llerrs << "Can't attach a context menu to itself" << llendl;
-	}
-
-	LLContextMenuBranch *item;
-	LLContextMenuBranch::Params p;
-	p.name = menu->getName();
-	p.label = menu->getLabel();
-	p.branch = menu;
-	p.enabled_color=LLUIColorTable::instance().getColor("MenuItemEnabledColor");
-	p.disabled_color=LLUIColorTable::instance().getColor("MenuItemDisabledColor");
-	p.highlight_bg_color=LLUIColorTable::instance().getColor("MenuItemHighlightBgColor");
-	p.highlight_fg_color=LLUIColorTable::instance().getColor("MenuItemHighlightFgColor");
-	
-	item = LLUICtrlFactory::create<LLContextMenuBranch>(p);
-	LLMenuGL::sMenuContainer->addChild(item->getBranch());
-
-	return append( item );
-}
-
 bool LLContextMenu::addChild(LLView* view, S32 tab_group)
 {
-	LLContextMenu* context = dynamic_cast<LLContextMenu*>(view);
-	if (context)
-		return appendContextSubMenu(context);
-
-	LLMenuItemSeparatorGL* separator = dynamic_cast<LLMenuItemSeparatorGL*>(view);
-	if (separator)
-		return append(separator);
-
-	LLMenuItemGL* item = dynamic_cast<LLMenuItemGL*>(view);
-	if (item)
-		return append(item);
-
-	return false;
+	return addContextChild(view, tab_group);
 }
 
diff --git a/indra/llui/llmenugl.h b/indra/llui/llmenugl.h
index 67b3e1fbe6..00899020bc 100644
--- a/indra/llui/llmenugl.h
+++ b/indra/llui/llmenugl.h
@@ -519,6 +519,9 @@ public:
 	void resetScrollPositionOnShow(bool reset_scroll_pos) { mResetScrollPositionOnShow = reset_scroll_pos; }
 	bool isScrollPositionOnShowReset() { return mResetScrollPositionOnShow; }
 
+	// add a context menu branch
+	BOOL appendContextSubMenu(LLMenuGL *menu);
+
 protected:
 	void createSpilloverBranch();
 	void cleanupSpilloverBranch();
@@ -528,6 +531,10 @@ protected:
 	// add a menu - this will create a cascading menu
 	virtual BOOL appendMenu( LLMenuGL* menu );
 
+	// Used in LLContextMenu and in LLTogleableMenu
+	// to add an item of context menu branch
+	bool addContextChild(LLView* view, S32 tab_group);
+
 	// TODO: create accessor methods for these?
 	typedef std::list< LLMenuItemGL* > item_list_t;
 	item_list_t mItems;
@@ -679,8 +686,6 @@ public:
 
 	virtual bool	addChild			(LLView* view, S32 tab_group = 0);
 
-			BOOL	appendContextSubMenu(LLContextMenu *menu);
-
 			LLHandle<LLContextMenu> getHandle() { return getDerivedHandle<LLContextMenu>(); }
 
 			LLView*	getSpawningView() const		{ return mSpawningViewHandle.get(); }
@@ -694,6 +699,38 @@ protected:
 };
 
 
+//-----------------------------------------------------------------------------
+// class LLContextMenuBranch
+// A branch to another context menu
+//-----------------------------------------------------------------------------
+class LLContextMenuBranch : public LLMenuItemGL
+{
+public:
+	struct Params : public LLInitParam::Block<Params, LLMenuItemGL::Params>
+	{
+		Mandatory<LLContextMenu*> branch;
+	};
+
+	LLContextMenuBranch(const Params&);
+
+	virtual ~LLContextMenuBranch()
+	{}
+
+	// called to rebuild the draw label
+	virtual void	buildDrawLabel( void );
+
+	// onCommit() - do the primary funcationality of the menu item.
+	virtual void	onCommit( void );
+
+	LLContextMenu*	getBranch() { return mBranch.get(); }
+	void			setHighlight( BOOL highlight );
+
+protected:
+	void	showSubMenu();
+
+	LLHandle<LLContextMenu> mBranch;
+};
+
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // Class LLMenuBarGL
diff --git a/indra/llui/llnotifications.cpp b/indra/llui/llnotifications.cpp
index 210a320f41..137c6efc53 100644
--- a/indra/llui/llnotifications.cpp
+++ b/indra/llui/llnotifications.cpp
@@ -464,7 +464,7 @@ LLNotification::LLNotification(const LLNotification::Params& p) :
 	mTimestamp(p.time_stamp), 
 	mSubstitutions(p.substitutions),
 	mPayload(p.payload),
-	mExpiresAt(0),
+	mExpiresAt(0.0),
 	mTemporaryResponder(false),
 	mRespondedTo(false),
 	mPriority(p.priority),
@@ -1433,7 +1433,7 @@ bool LLNotifications::loadTemplates()
 	std::string base_filename = search_paths.front();
 	LLXMLNodePtr root;
 	BOOL success  = LLXMLNode::getLayeredXMLNode(root, search_paths);
-
+	
 	if (!success || root.isNull() || !root->hasName( "notifications" ))
 	{
 		llerrs << "Problem reading XML from UI Notifications file: " << base_filename << llendl;
diff --git a/indra/llui/llpanel.cpp b/indra/llui/llpanel.cpp
index 67472ad166..188a0fea74 100644
--- a/indra/llui/llpanel.cpp
+++ b/indra/llui/llpanel.cpp
@@ -520,7 +520,7 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 				Params output_params(params);
 				setupParamsForExport(output_params, parent);
 				output_node->setName(node->getName()->mString);
-				parser.writeXUI(output_node, output_params, &default_params);
+				parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 				return TRUE;
 			}
 		
@@ -551,7 +551,7 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 			Params output_params(params);
 			setupParamsForExport(output_params, parent);
 			output_node->setName(node->getName()->mString);
-			parser.writeXUI(output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &default_params);
 		}
 		
 		params.from_xui = true;
diff --git a/indra/llui/llresizebar.cpp b/indra/llui/llresizebar.cpp
index 87aeb4d7a7..ba90fa5e0c 100644
--- a/indra/llui/llresizebar.cpp
+++ b/indra/llui/llresizebar.cpp
@@ -139,13 +139,6 @@ BOOL LLResizeBar::handleHover(S32 x, S32 y, MASK mask)
 		
 		if( valid_rect.localPointInRect( screen_x, screen_y ) && mResizingView )
 		{
-			// undock floater when user resize it
-			LLFloater* parent = dynamic_cast<LLFloater*>( getParent());
-			if (parent && parent->isDocked())
-			{
-				parent->setDocked( false, false);
-			}
-
 			// Resize the parent
 			LLRect orig_rect = mResizingView->getRect();
 			LLRect scaled_rect = orig_rect;
@@ -219,20 +212,66 @@ BOOL LLResizeBar::handleHover(S32 x, S32 y, MASK mask)
 
 			// update last valid mouse cursor position based on resized view's actual size
 			LLRect new_rect = mResizingView->getRect();
+
 			switch(mSide)
 			{
 			case LEFT:
-				mDragLastScreenX += new_rect.mLeft - orig_rect.mLeft;
+			{
+				S32 actual_delta_x = new_rect.mLeft - orig_rect.mLeft;
+				if (actual_delta_x != delta_x)
+				{
+					// restore everything by left
+					new_rect.mBottom = orig_rect.mBottom;
+					new_rect.mTop = orig_rect.mTop;
+					new_rect.mRight = orig_rect.mRight;
+					mResizingView->setShape(new_rect, true);
+				}
+				mDragLastScreenX += actual_delta_x;
+
 				break;
+			}
 			case RIGHT:
+			{
+				S32 actual_delta_x = new_rect.mRight - orig_rect.mRight;
+				if (actual_delta_x != delta_x)
+				{
+					// restore everything by left
+					new_rect.mBottom = orig_rect.mBottom;
+					new_rect.mTop = orig_rect.mTop;
+					new_rect.mLeft = orig_rect.mLeft;
+					mResizingView->setShape(new_rect, true);
+				}
 				mDragLastScreenX += new_rect.mRight - orig_rect.mRight;
 				break;
+			}
 			case TOP:
+			{
+				S32 actual_delta_y = new_rect.mTop - orig_rect.mTop;
+				if (actual_delta_y != delta_y)
+				{
+					// restore everything by left
+					new_rect.mBottom = orig_rect.mBottom;
+					new_rect.mLeft = orig_rect.mLeft;
+					new_rect.mRight = orig_rect.mRight;
+					mResizingView->setShape(new_rect, true);
+				}
 				mDragLastScreenY += new_rect.mTop - orig_rect.mTop;
 				break;
+			}
 			case BOTTOM:
+			{
+				S32 actual_delta_y = new_rect.mBottom - orig_rect.mBottom;
+				if (actual_delta_y != delta_y)
+				{
+					// restore everything by left
+					new_rect.mTop = orig_rect.mTop;
+					new_rect.mLeft = orig_rect.mLeft;
+					new_rect.mRight = orig_rect.mRight;
+					mResizingView->setShape(new_rect, true);
+				}
 				mDragLastScreenY += new_rect.mBottom- orig_rect.mBottom;
 				break;
+			}
 			default:
 				break;
 			}
diff --git a/indra/llui/llresizehandle.cpp b/indra/llui/llresizehandle.cpp
index c3a51c36c9..24794305ac 100644
--- a/indra/llui/llresizehandle.cpp
+++ b/indra/llui/llresizehandle.cpp
@@ -257,23 +257,65 @@ BOOL LLResizeHandle::handleHover(S32 x, S32 y, MASK mask)
 			
 			// update last valid mouse cursor position based on resized view's actual size
 			LLRect new_rect = resizing_view->getRect();
+			S32 actual_delta_x = 0;
+			S32 actual_delta_y = 0;
 			switch(mCorner)
 			{
 			case LEFT_TOP:
-				mDragLastScreenX += new_rect.mLeft - orig_rect.mLeft;
-				mDragLastScreenY += new_rect.mTop - orig_rect.mTop;
+				actual_delta_x = new_rect.mLeft - orig_rect.mLeft;
+				actual_delta_y = new_rect.mTop - orig_rect.mTop;
+				if (actual_delta_x != delta_x
+					|| actual_delta_y != delta_y)
+				{
+					new_rect.mRight = orig_rect.mRight;
+					new_rect.mBottom = orig_rect.mBottom;
+					resizing_view->setShape(new_rect, true);
+				}
+
+				mDragLastScreenX += actual_delta_x;
+				mDragLastScreenY += actual_delta_y;
 				break;
 			case LEFT_BOTTOM:
-				mDragLastScreenX += new_rect.mLeft - orig_rect.mLeft;
-				mDragLastScreenY += new_rect.mBottom- orig_rect.mBottom;
+				actual_delta_x = new_rect.mLeft - orig_rect.mLeft;
+				actual_delta_y = new_rect.mBottom - orig_rect.mBottom;
+				if (actual_delta_x != delta_x
+					|| actual_delta_y != delta_y)
+				{
+					new_rect.mRight = orig_rect.mRight;
+					new_rect.mTop = orig_rect.mTop;
+					resizing_view->setShape(new_rect, true);
+				}
+
+				mDragLastScreenX += actual_delta_x;
+				mDragLastScreenY += actual_delta_y;
 				break;
 			case RIGHT_TOP:
-				mDragLastScreenX += new_rect.mRight - orig_rect.mRight;
-				mDragLastScreenY += new_rect.mTop - orig_rect.mTop;
+				actual_delta_x = new_rect.mRight - orig_rect.mRight;
+				actual_delta_y = new_rect.mTop - orig_rect.mTop;
+				if (actual_delta_x != delta_x
+					|| actual_delta_y != delta_y)
+				{
+					new_rect.mLeft = orig_rect.mLeft;
+					new_rect.mBottom = orig_rect.mBottom;
+					resizing_view->setShape(new_rect, true);
+				}
+
+				mDragLastScreenX += actual_delta_x;
+				mDragLastScreenY += actual_delta_y;
 				break;
 			case RIGHT_BOTTOM:
-				mDragLastScreenX += new_rect.mRight - orig_rect.mRight;
-				mDragLastScreenY += new_rect.mBottom- orig_rect.mBottom;
+				actual_delta_x = new_rect.mRight - orig_rect.mRight;
+				actual_delta_y = new_rect.mBottom - orig_rect.mBottom;
+				if (actual_delta_x != delta_x
+					|| actual_delta_y != delta_y)
+				{
+					new_rect.mLeft = orig_rect.mLeft;
+					new_rect.mTop = orig_rect.mTop;
+					resizing_view->setShape(new_rect, true);
+				}
+
+				mDragLastScreenX += actual_delta_x;
+				mDragLastScreenY += actual_delta_y;
 				break;
 			default:
 				break;
diff --git a/indra/llui/llstatbar.cpp b/indra/llui/llstatbar.cpp
index 04cce7878e..1bc9a9fc67 100644
--- a/indra/llui/llstatbar.cpp
+++ b/indra/llui/llstatbar.cpp
@@ -34,8 +34,8 @@
 #include "llgl.h"
 #include "llfontgl.h"
 
-#include "llstat.h"
 #include "lluictrlfactory.h"
+#include "lltracerecording.h"
 
 ///////////////////////////////////////////////////////////////////////////////////
 
@@ -45,17 +45,20 @@ LLStatBar::LLStatBar(const Params& p)
 	  mUnitLabel(p.unit_label),
 	  mMinBar(p.bar_min),
 	  mMaxBar(p.bar_max),
-	  mStatp(LLStat::getStat(p.stat)),
+	  mCountFloatp(LLTrace::Count<>::getInstance(p.stat)),
+	  mCountIntp(LLTrace::Count<S64>::getInstance(p.stat)),
+	  mMeasurementFloatp(LLTrace::Measurement<>::getInstance(p.stat)),
+	  mMeasurementIntp(LLTrace::Measurement<S64>::getInstance(p.stat)),
 	  mTickSpacing(p.tick_spacing),
 	  mLabelSpacing(p.label_spacing),
 	  mPrecision(p.precision),
 	  mUpdatesPerSec(p.update_rate),
+	  mUnitScale(p.unit_scale),
 	  mPerSec(p.show_per_sec),
 	  mDisplayBar(p.show_bar),
 	  mDisplayHistory(p.show_history),
 	  mDisplayMean(p.show_mean)
-{
-}
+{}
 
 BOOL LLStatBar::handleMouseDown(S32 x, S32 y, MASK mask)
 {
@@ -84,29 +87,72 @@ BOOL LLStatBar::handleMouseDown(S32 x, S32 y, MASK mask)
 
 void LLStatBar::draw()
 {
-	if (!mStatp)
+	F32 current = 0.f, 
+		min = 0.f, 
+		max = 0.f,
+		mean = 0.f;
+
+	LLTrace::PeriodicRecording& frame_recording = LLTrace::get_frame_recording();
+
+	if (mCountFloatp)
 	{
-//		llinfos << "No stats for statistics bar!" << llendl;
-		return;
+		LLTrace::Recording& last_frame_recording = frame_recording.getLastRecordingPeriod(); 
+
+		if (mPerSec)
+		{
+			current = last_frame_recording.getPerSec(*mCountFloatp);
+			min = frame_recording.getPeriodMinPerSec(*mCountFloatp);
+			max = frame_recording.getPeriodMaxPerSec(*mCountFloatp);
+			mean = frame_recording.getPeriodMeanPerSec(*mCountFloatp);
+		}
+		else
+		{
+			current = last_frame_recording.getSum(*mCountFloatp);
+			min = frame_recording.getPeriodMin(*mCountFloatp);
+			max = frame_recording.getPeriodMax(*mCountFloatp);
+			mean = frame_recording.getPeriodMean(*mCountFloatp);
+		}
 	}
+	else if (mCountIntp)
+	{
+		LLTrace::Recording& last_frame_recording = frame_recording.getLastRecordingPeriod(); 
 
-	// Get the values.
-	F32 current, min, max, mean;
-	if (mPerSec)
+		if (mPerSec)
+		{
+			current = last_frame_recording.getPerSec(*mCountIntp);
+			min = frame_recording.getPeriodMinPerSec(*mCountIntp);
+			max = frame_recording.getPeriodMaxPerSec(*mCountIntp);
+			mean = frame_recording.getPeriodMeanPerSec(*mCountIntp);
+		}
+		else
+		{
+			current = last_frame_recording.getSum(*mCountIntp);
+			min = frame_recording.getPeriodMin(*mCountIntp);
+			max = frame_recording.getPeriodMax(*mCountIntp);
+			mean = frame_recording.getPeriodMean(*mCountIntp);
+		}
+	}
+	else if (mMeasurementFloatp)
 	{
-		current = mStatp->getCurrentPerSec();
-		min = mStatp->getMinPerSec();
-		max = mStatp->getMaxPerSec();
-		mean = mStatp->getMeanPerSec();
+		LLTrace::Recording& recording = frame_recording.getTotalRecording();
+		current = recording.getLastValue(*mMeasurementFloatp);
+		min = recording.getMin(*mMeasurementFloatp);
+		max = recording.getMax(*mMeasurementFloatp);
+		mean = recording.getMean(*mMeasurementFloatp);
 	}
-	else
+	else if (mMeasurementIntp)
 	{
-		current = mStatp->getCurrent();
-		min = mStatp->getMin();
-		max = mStatp->getMax();
-		mean = mStatp->getMean();
+		LLTrace::Recording& recording = frame_recording.getTotalRecording();
+		current = recording.getLastValue(*mMeasurementIntp);
+		min = recording.getMin(*mMeasurementIntp);
+		max = recording.getMax(*mMeasurementIntp);
+		mean = recording.getMean(*mMeasurementIntp);
 	}
 
+	current *= mUnitScale;
+	min *= mUnitScale;
+	max *= mUnitScale;
+	mean *= mUnitScale;
 
 	if ((mUpdatesPerSec == 0.f) || (mUpdateTimer.getElapsedTimeF32() > 1.f/mUpdatesPerSec) || (mValue == 0.f))
 	{
@@ -153,7 +199,7 @@ void LLStatBar::draw()
 											 LLFontGL::RIGHT, LLFontGL::TOP);
 
 	value_format = llformat( "%%.%df", mPrecision);
-	if (mDisplayBar)
+	if (mDisplayBar && (mCountFloatp || mCountIntp || mMeasurementFloatp || mMeasurementIntp))
 	{
 		std::string tick_label;
 
@@ -196,7 +242,7 @@ void LLStatBar::draw()
 		right = width;
 		gl_rect_2d(left, top, right, bottom, LLColor4(0.f, 0.f, 0.f, 0.25f));
 
-		if (mStatp->getNumValues() == 0)
+		if (frame_recording.getNumPeriods() == 0)
 		{
 			// No data, don't draw anything...
 			return;
@@ -213,26 +259,58 @@ void LLStatBar::draw()
 		right = (S32) ((max - mMinBar) * value_scale);
 		gl_rect_2d(left, top, right, bottom, LLColor4(1.f, 0.f, 0.f, 0.25f));
 
-		S32 num_values = mStatp->getNumValues() - 1;
-		if (mDisplayHistory)
+		if (mDisplayHistory && (mCountFloatp || mCountIntp || mMeasurementFloatp || mMeasurementIntp))
 		{
+			S32 num_values = frame_recording.getNumPeriods() - 1;
 			S32 i;
-			for (i = 0; i < num_values; i++)
+			for (i = 1; i <= num_values; i++)
 			{
-				if (i == mStatp->getNextBin())
-				{
-					continue;
-				}
 				if (mPerSec)
 				{
-					left = (S32)((mStatp->getPrevPerSec(i) - mMinBar) * value_scale);
-					right = (S32)((mStatp->getPrevPerSec(i) - mMinBar) * value_scale) + 1;
+					if (mCountFloatp)
+					{
+						left = (S32)((frame_recording.getPrevRecordingPeriod(i).getPerSec(*mCountFloatp)  - mMinBar) * value_scale);
+						right = (S32)((frame_recording.getPrevRecordingPeriod(i).getPerSec(*mCountFloatp)  - mMinBar) * value_scale) + 1;
+					}
+					else if (mCountIntp)
+					{
+						left = (S32)((frame_recording.getPrevRecordingPeriod(i).getPerSec(*mCountIntp)  - mMinBar) * value_scale);
+						right = (S32)((frame_recording.getPrevRecordingPeriod(i).getPerSec(*mCountIntp)  - mMinBar) * value_scale) + 1;
+					}
+					else if (mMeasurementFloatp)
+					{
+						left = (S32)((frame_recording.getPrevRecordingPeriod(i).getPerSec(*mMeasurementFloatp)  - mMinBar) * value_scale);
+						right = (S32)((frame_recording.getPrevRecordingPeriod(i).getPerSec(*mMeasurementFloatp)  - mMinBar) * value_scale) + 1;
+					}
+					else if (mMeasurementIntp)
+					{
+						left = (S32)((frame_recording.getPrevRecordingPeriod(i).getPerSec(*mMeasurementIntp)  - mMinBar) * value_scale);
+						right = (S32)((frame_recording.getPrevRecordingPeriod(i).getPerSec(*mMeasurementIntp)  - mMinBar) * value_scale) + 1;
+					}
 					gl_rect_2d(left, bottom+i+1, right, bottom+i, LLColor4(1.f, 0.f, 0.f, 1.f));
 				}
 				else
 				{
-					left = (S32)((mStatp->getPrev(i) - mMinBar) * value_scale);
-					right = (S32)((mStatp->getPrev(i) - mMinBar) * value_scale) + 1;
+					if (mCountFloatp)
+					{
+						left = (S32)((frame_recording.getPrevRecordingPeriod(i).getSum(*mCountFloatp)  - mMinBar) * value_scale);
+						right = (S32)((frame_recording.getPrevRecordingPeriod(i).getSum(*mCountFloatp)  - mMinBar) * value_scale) + 1;
+					}
+					else if (mCountIntp)
+					{
+						left = (S32)((frame_recording.getPrevRecordingPeriod(i).getSum(*mCountIntp)  - mMinBar) * value_scale);
+						right = (S32)((frame_recording.getPrevRecordingPeriod(i).getSum(*mCountIntp)  - mMinBar) * value_scale) + 1;
+					}
+					else if (mMeasurementFloatp)
+					{
+						left = (S32)((frame_recording.getPrevRecordingPeriod(i).getSum(*mMeasurementFloatp)  - mMinBar) * value_scale);
+						right = (S32)((frame_recording.getPrevRecordingPeriod(i).getSum(*mMeasurementFloatp)  - mMinBar) * value_scale) + 1;
+					}
+					else if (mMeasurementIntp)
+					{
+						left = (S32)((frame_recording.getPrevRecordingPeriod(i).getSum(*mMeasurementIntp)  - mMinBar) * value_scale);
+						right = (S32)((frame_recording.getPrevRecordingPeriod(i).getSum(*mMeasurementIntp)  - mMinBar) * value_scale) + 1;
+					}
 					gl_rect_2d(left, bottom+i+1, right, bottom+i, LLColor4(1.f, 0.f, 0.f, 1.f));
 				}
 			}
@@ -256,6 +334,15 @@ void LLStatBar::draw()
 	LLView::draw();
 }
 
+void LLStatBar::setStat(const std::string& stat_name)
+{
+	mCountFloatp = LLTrace::Count<>::getInstance(stat_name);
+	mCountIntp = LLTrace::Count<S64>::getInstance(stat_name);
+	mMeasurementFloatp = LLTrace::Measurement<>::getInstance(stat_name);
+	mMeasurementIntp = LLTrace::Measurement<S64>::getInstance(stat_name);
+}
+
+
 void LLStatBar::setRange(F32 bar_min, F32 bar_max, F32 tick_spacing, F32 label_spacing)
 {
 	mMinBar = bar_min;
@@ -272,7 +359,7 @@ LLRect LLStatBar::getRequiredRect()
 	{
 		if (mDisplayHistory)
 		{
-			rect.mTop = 35 + mStatp->getNumBins();
+			rect.mTop = 35 + LLTrace::get_frame_recording().getNumPeriods();
 		}
 		else
 		{
diff --git a/indra/llui/llstatbar.h b/indra/llui/llstatbar.h
index 513fff3234..c366fd65db 100644
--- a/indra/llui/llstatbar.h
+++ b/indra/llui/llstatbar.h
@@ -29,27 +29,33 @@
 
 #include "llview.h"
 #include "llframetimer.h"
-
-class LLStat;
+#include "lltracerecording.h"
 
 class LLStatBar : public LLView
 {
 public:
+
 	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
-		Optional<std::string> label;
-		Optional<std::string> unit_label;
-		Optional<F32> bar_min;
-		Optional<F32> bar_max;
-		Optional<F32> tick_spacing;
-		Optional<F32> label_spacing;
-		Optional<U32> precision;
-		Optional<F32> update_rate;
-		Optional<bool> show_per_sec;
-		Optional<bool> show_bar;
-		Optional<bool> show_history;
-		Optional<bool> show_mean;
-		Optional<std::string> stat;
+		Optional<std::string>	label,
+								unit_label;
+
+		Optional<F32>			bar_min,
+								bar_max,
+								tick_spacing,
+								label_spacing,
+								update_rate,
+								unit_scale;
+
+		Optional<U32>			precision;
+
+		Optional<bool>			show_per_sec,
+								show_bar,
+								show_history,
+								show_mean;
+
+		Optional<std::string>	stat;
+
 		Params()
 			: label("label"),
 			  unit_label("unit_label"),
@@ -59,10 +65,11 @@ public:
 			  label_spacing("label_spacing", 10.0f),
 			  precision("precision", 0),
 			  update_rate("update_rate", 5.0f),
-			  show_per_sec("show_per_sec", TRUE),
+			  unit_scale("unit_scale", 1.f),
+			  show_per_sec("show_per_sec", true),
 			  show_bar("show_bar", TRUE),
-			  show_history("show_history", FALSE),
-			  show_mean("show_mean", TRUE),
+			  show_history("show_history", false),
+			  show_mean("show_mean", true),
 			  stat("stat")
 		{
 			changeDefault(follows.flags, FOLLOWS_TOP | FOLLOWS_LEFT);
@@ -73,7 +80,8 @@ public:
 	virtual void draw();
 	virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
 
-	void setStat(LLStat* stat) { mStatp = stat; }
+	void setStat(const std::string& stat_name);
+
 	void setRange(F32 bar_min, F32 bar_max, F32 tick_spacing, F32 label_spacing);
 	void getRange(F32& bar_min, F32& bar_max) { bar_min = mMinBar; bar_max = mMaxBar; }
 	
@@ -86,12 +94,16 @@ private:
 	F32 mLabelSpacing;
 	U32 mPrecision;
 	F32 mUpdatesPerSec;
+	F32 mUnitScale;
 	BOOL mPerSec;				// Use the per sec stats.
 	BOOL mDisplayBar;			// Display the bar graph.
 	BOOL mDisplayHistory;
 	BOOL mDisplayMean;			// If true, display mean, if false, display current value
 
-	LLStat* mStatp;
+	LLTrace::TraceType<LLTrace::CountAccumulator<F64> >* mCountFloatp;
+	LLTrace::TraceType<LLTrace::CountAccumulator<S64> >* mCountIntp;
+	LLTrace::TraceType<LLTrace::MeasurementAccumulator<F64> >* mMeasurementFloatp;
+	LLTrace::TraceType<LLTrace::MeasurementAccumulator<S64> >* mMeasurementIntp;
 
 	LLFrameTimer mUpdateTimer;
 	LLUIString mLabel;
diff --git a/indra/llui/llstatgraph.cpp b/indra/llui/llstatgraph.cpp
index e44887ebf0..22c276a018 100644
--- a/indra/llui/llstatgraph.cpp
+++ b/indra/llui/llstatgraph.cpp
@@ -32,48 +32,73 @@
 
 #include "llmath.h"
 #include "llui.h"
-#include "llstat.h"
 #include "llgl.h"
 #include "llglheaders.h"
+#include "lltracerecording.h"
+#include "lltracethreadrecorder.h"
 //#include "llviewercontrol.h"
 
 ///////////////////////////////////////////////////////////////////////////////////
 
-LLStatGraph::LLStatGraph(const LLView::Params& p)
-:	LLView(p)
+LLStatGraph::LLStatGraph(const Params& p)
+:	LLView(p),
+	mMin(p.min),
+	mMax(p.max),
+	mPerSec(true),
+	mPrecision(p.precision),
+	mValue(p.value),
+	mNewStatFloatp(p.stat.count_stat_float),
+	mNewStatIntp(p.stat.count_stat_int)
 {
-	mStatp = NULL;
 	setToolTip(p.name());
-	mNumThresholds = 3;
-	mThresholdColors[0] = LLColor4(0.f, 1.f, 0.f, 1.f);
-	mThresholdColors[1] = LLColor4(1.f, 1.f, 0.f, 1.f);
-	mThresholdColors[2] = LLColor4(1.f, 0.f, 0.f, 1.f);
-	mThresholdColors[3] = LLColor4(1.f, 0.f, 0.f, 1.f);
-	mThresholds[0] = 50.f;
-	mThresholds[1] = 75.f;
-	mThresholds[2] = 100.f;
-	mMin = 0.f;
-	mMax = 125.f;
-	mPerSec = TRUE;
-	mValue = 0.f;
-	mPrecision = 0;
+
+	for(LLInitParam::ParamIterator<ThresholdParams>::const_iterator it = p.thresholds.threshold.begin(), end_it = p.thresholds.threshold.end();
+		it != end_it;
+		++it)
+	{
+		mThresholds.push_back(Threshold(it->value(), it->color));
+	}
+
+	//mThresholdColors[0] = LLColor4(0.f, 1.f, 0.f, 1.f);
+	//mThresholdColors[1] = LLColor4(1.f, 1.f, 0.f, 1.f);
+	//mThresholdColors[2] = LLColor4(1.f, 0.f, 0.f, 1.f);
+	//mThresholdColors[3] = LLColor4(1.f, 0.f, 0.f, 1.f);
+	//mThresholds[0] = 50.f;
+	//mThresholds[1] = 75.f;
+	//mThresholds[2] = 100.f;
 }
 
 void LLStatGraph::draw()
 {
 	F32 range, frac;
 	range = mMax - mMin;
-	if (mStatp)
+	if (mNewStatFloatp)
 	{
+		LLTrace::Recording& recording = LLTrace::get_frame_recording().getLastRecordingPeriod();
+
 		if (mPerSec)
 		{
-			mValue = mStatp->getMeanPerSec();
+			mValue = recording.getPerSec(*mNewStatFloatp);
 		}
 		else
 		{
-			mValue = mStatp->getMean();
+			mValue = recording.getSum(*mNewStatFloatp);
 		}
 	}
+	else if (mNewStatIntp)
+	{
+		LLTrace::Recording& recording = LLTrace::get_frame_recording().getLastRecordingPeriod();
+
+		if (mPerSec)
+		{
+			mValue = recording.getPerSec(*mNewStatIntp);
+		}
+		else
+		{
+			mValue = recording.getSum(*mNewStatIntp);
+		}
+	}
+
 	frac = (mValue - mMin) / range;
 	frac = llmax(0.f, frac);
 	frac = llmin(1.f, frac);
@@ -91,19 +116,22 @@ void LLStatGraph::draw()
 
 	LLColor4 color;
 
-	S32 i;
-	for (i = 0; i < mNumThresholds - 1; i++)
+	//S32 i;
+	//for (i = 0; i < mNumThresholds - 1; i++)
+	//{
+	//	if (mThresholds[i] > mValue)
+	//	{
+	//		break;
+	//	}
+	//}
+
+	threshold_vec_t::iterator it = std::lower_bound(mThresholds.begin(), mThresholds.end(), Threshold(mValue / mMax, LLUIColor()));
+
+	if (it != mThresholds.begin())
 	{
-		if (mThresholds[i] > mValue)
-		{
-			break;
-		}
+		it--;
 	}
 
-	//gl_drop_shadow(0,  getRect().getHeight(), getRect().getWidth(), 0,
-	//				LLUIColorTable::instance().getColor("ColorDropShadow"), 
-	//				(S32) gSavedSettings.getF32("DropShadowFloater") );
-
 	color = LLUIColorTable::instance().getColor( "MenuDefaultBgColor" );
 	gGL.color4fv(color.mV);
 	gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, TRUE);
@@ -111,16 +139,11 @@ void LLStatGraph::draw()
 	gGL.color4fv(LLColor4::black.mV);
 	gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, FALSE);
 	
-	color = mThresholdColors[i];
+	color = it->mColor;
 	gGL.color4fv(color.mV);
 	gl_rect_2d(1, llround(frac*getRect().getHeight()), getRect().getWidth() - 1, 0, TRUE);
 }
 
-void LLStatGraph::setValue(const LLSD& value)
-{
-	mValue = (F32)value.asReal();
-}
-
 void LLStatGraph::setMin(const F32 min)
 {
 	mMin = min;
@@ -131,27 +154,3 @@ void LLStatGraph::setMax(const F32 max)
 	mMax = max;
 }
 
-void LLStatGraph::setStat(LLStat *statp)
-{
-	mStatp = statp;
-}
-
-void LLStatGraph::setLabel(const std::string& label)
-{
-	mLabel = label;
-}
-
-void LLStatGraph::setUnits(const std::string& units)
-{
-	mUnits = units;
-}
-
-void LLStatGraph::setPrecision(const S32 precision)
-{
-	mPrecision = precision;
-}
-
-void LLStatGraph::setThreshold(const S32 i, F32 value)
-{
-	mThresholds[i] = value;
-}
diff --git a/indra/llui/llstatgraph.h b/indra/llui/llstatgraph.h
index 757525e232..57856ff6f2 100644
--- a/indra/llui/llstatgraph.h
+++ b/indra/llui/llstatgraph.h
@@ -30,29 +30,86 @@
 #include "llview.h"
 #include "llframetimer.h"
 #include "v4color.h"
-
-class LLStat;
+#include "lltrace.h"
 
 class LLStatGraph : public LLView
 {
 public:
-	LLStatGraph(const LLView::Params&);
+	struct ThresholdParams : public LLInitParam::Block<ThresholdParams>
+	{
+		Mandatory<F32>	value;
+		Optional<LLUIColor>	color;
 
-	virtual void draw();
+		ThresholdParams()
+		:	value("value"),
+			color("color", LLColor4::white)
+		{}
+	};
+
+	struct Thresholds : public LLInitParam::Block<Thresholds>
+	{
+		Multiple<ThresholdParams> threshold;
+
+		Thresholds()
+		:	threshold("threshold")
+		{}
+	};
+
+	struct StatParams : public LLInitParam::ChoiceBlock<StatParams>
+	{
+		Alternative<LLTrace::TraceType<LLTrace::CountAccumulator<F64> >* >		count_stat_float;
+		Alternative<LLTrace::TraceType<LLTrace::CountAccumulator<S64> >* >		count_stat_int;
+		Alternative<LLTrace::TraceType<LLTrace::MeasurementAccumulator<F64> >* >	measurement_stat_float;
+		Alternative<LLTrace::TraceType<LLTrace::MeasurementAccumulator<S64> >* >	measurement_stat_int;
+	};
+
+	struct Params : public LLInitParam::Block<Params, LLView::Params>
+	{
+		Mandatory<StatParams>	stat;
+		Optional<std::string>	label,
+								units;
+		Optional<S32>			precision;
+		Optional<F32>			min,
+								max;
+		Optional<bool>			per_sec;
+		Optional<F32>			value;
+
+		Optional<Thresholds>	thresholds;
+
+		Params()
+		:	stat("stat"),
+			label("label"),
+			units("units"),
+			precision("precision", 0),
+			min("min", 0.f),
+			max("max", 125.f),
+			per_sec("per_sec", true),
+			value("value", 0.f),
+			thresholds("thresholds")
+		{
+			Thresholds _thresholds;
+			_thresholds.threshold.add(ThresholdParams().value(0.f).color(LLColor4::green))
+								.add(ThresholdParams().value(0.33f).color(LLColor4::yellow))
+								.add(ThresholdParams().value(0.5f).color(LLColor4::red))
+								.add(ThresholdParams().value(0.75f).color(LLColor4::red));
+			thresholds = _thresholds;
+		}
+	};
+	LLStatGraph(const Params&);
 
-	void setLabel(const std::string& label);
-	void setUnits(const std::string& units);
-	void setPrecision(const S32 precision);
-	void setStat(LLStat *statp);
-	void setThreshold(const S32 i, F32 value);
 	void setMin(const F32 min);
 	void setMax(const F32 max);
 
+	virtual void draw();
+
 	/*virtual*/ void setValue(const LLSD& value);
 	
-	LLStat *mStatp;
-	BOOL mPerSec;
 private:
+	LLTrace::TraceType<LLTrace::CountAccumulator<F64> >*	mNewStatFloatp;
+	LLTrace::TraceType<LLTrace::CountAccumulator<S64> >*	mNewStatIntp;
+
+	BOOL mPerSec;
+
 	F32 mValue;
 
 	F32 mMin;
@@ -62,9 +119,25 @@ private:
 	std::string mUnits;
 	S32 mPrecision; // Num of digits of precision after dot
 
-	S32 mNumThresholds;
-	F32 mThresholds[4];
-	LLColor4 mThresholdColors[4];
+	struct Threshold
+	{
+		Threshold(F32 value, const LLUIColor& color)
+		:	mValue(value),
+			mColor(color)
+		{}
+
+		F32 mValue;
+		LLUIColor mColor;
+		bool operator <(const Threshold& other)
+		{
+			return mValue < other.mValue;
+		}
+	};
+	typedef std::vector<Threshold> threshold_vec_t;
+	threshold_vec_t mThresholds;
+	//S32 mNumThresholds;
+	//F32 mThresholds[4];
+	//LLColor4 mThresholdColors[4];
 };
 
 #endif  // LL_LLSTATGRAPH_H
diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index 144b6960a1..46fbd1e6a0 100644
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -239,7 +239,8 @@ LLTextEditor::Params::Params()
 	show_line_numbers("show_line_numbers", false),
 	default_color("default_color"),
     commit_on_focus_lost("commit_on_focus_lost", false),
-	show_context_menu("show_context_menu")
+	show_context_menu("show_context_menu"),
+	enable_tooltip_paste("enable_tooltip_paste")
 {
 	addSynonym(prevalidate_callback, "text_type");
 }
@@ -258,7 +259,8 @@ LLTextEditor::LLTextEditor(const LLTextEditor::Params& p) :
 	mTabsToNextField(p.ignore_tab),
 	mPrevalidateFunc(p.prevalidate_callback()),
 	mContextMenu(NULL),
-	mShowContextMenu(p.show_context_menu)
+	mShowContextMenu(p.show_context_menu),
+	mEnableTooltipPaste(p.enable_tooltip_paste)
 {
 	mSourceID.generate();
 
@@ -1411,6 +1413,23 @@ void LLTextEditor::pasteHelper(bool is_primary)
 
 	// Clean up string (replace tabs and remove characters that our fonts don't support).
 	LLWString clean_string(paste);
+	cleanStringForPaste(clean_string);
+
+	// Insert the new text into the existing text.
+
+	//paste text with linebreaks.
+	pasteTextWithLinebreaks(clean_string);
+
+	deselect();
+
+	onKeyStroke();
+	mParseOnTheFly = TRUE;
+}
+
+
+// Clean up string (replace tabs and remove characters that our fonts don't support).
+void LLTextEditor::cleanStringForPaste(LLWString & clean_string)
+{
 	LLWStringUtil::replaceTabsWithSpaces(clean_string, SPACES_PER_TAB);
 	if( mAllowEmbeddedItems )
 	{
@@ -1429,10 +1448,11 @@ void LLTextEditor::pasteHelper(bool is_primary)
 			}
 		}
 	}
+}
 
-	// Insert the new text into the existing text.
 
-	//paste text with linebreaks.
+void LLTextEditor::pasteTextWithLinebreaks(LLWString & clean_string)
+{
 	std::basic_string<llwchar>::size_type start = 0;
 	std::basic_string<llwchar>::size_type pos = clean_string.find('\n',start);
 	
@@ -1451,15 +1471,8 @@ void LLTextEditor::pasteHelper(bool is_primary)
 
 	std::basic_string<llwchar> str = std::basic_string<llwchar>(clean_string,start,clean_string.length()-start);
 	setCursorPos(mCursorPos + insert(mCursorPos, str, FALSE, LLTextSegmentPtr()));
-
-	deselect();
-
-	onKeyStroke();
-	mParseOnTheFly = TRUE;
 }
 
-
-
 // copy selection to primary
 void LLTextEditor::copyPrimary()
 {
@@ -1680,19 +1693,50 @@ BOOL LLTextEditor::handleKeyHere(KEY key, MASK mask )
 	{
 		return FALSE;
 	}
-		
+
 	if (mReadOnly && mScroller)
 	{
 		handled = (mScroller && mScroller->handleKeyHere( key, mask ))
 				|| handleSelectionKey(key, mask)
 				|| handleControlKey(key, mask);
+	}
+	else 
+	{
+		if (mEnableTooltipPaste &&
+			LLToolTipMgr::instance().toolTipVisible() && 
+			KEY_TAB == key)
+		{	// Paste the first line of a tooltip into the editor
+			std::string message;
+			LLToolTipMgr::instance().getToolTipMessage(message);
+			LLWString tool_tip_text(utf8str_to_wstring(message));
+
+			if (tool_tip_text.size() > 0)
+			{
+				// Delete any selected characters (the tooltip text replaces them)
+				if(hasSelection())
+				{
+					deleteSelection(TRUE);
+				}
+
+				std::basic_string<llwchar>::size_type pos = tool_tip_text.find('\n',0);
+				if (pos != -1)
+				{	// Extract the first line of the tooltip
+					tool_tip_text = std::basic_string<llwchar>(tool_tip_text, 0, pos);
+				}
+
+				// Add the text
+				cleanStringForPaste(tool_tip_text);
+				pasteTextWithLinebreaks(tool_tip_text);
+				handled = TRUE;
+			}
+		}
+		else
+		{	// Normal key handling
+			handled = handleNavigationKey( key, mask )
+					|| handleSelectionKey(key, mask)
+					|| handleControlKey(key, mask)
+					|| handleSpecialKey(key, mask);
 		}
-		else 
-		{
-		handled = handleNavigationKey( key, mask )
-				|| handleSelectionKey(key, mask)
-				|| handleControlKey(key, mask)
-				|| handleSpecialKey(key, mask);
 	}
 
 	if( handled )
diff --git a/indra/llui/lltexteditor.h b/indra/llui/lltexteditor.h
index 40821ae9fb..e60fe03e58 100644
--- a/indra/llui/lltexteditor.h
+++ b/indra/llui/lltexteditor.h
@@ -64,7 +64,8 @@ public:
 								ignore_tab,
 								show_line_numbers,
 								commit_on_focus_lost,
-								show_context_menu;
+								show_context_menu,
+								enable_tooltip_paste;
 
 		//colors
 		Optional<LLUIColor>		default_color;
@@ -288,6 +289,8 @@ private:
 	// Methods
 	//
 	void	        pasteHelper(bool is_primary);
+	void			cleanStringForPaste(LLWString & clean_string);
+	void			pasteTextWithLinebreaks(LLWString & clean_string);
 
 	void			drawLineNumbers();
 
@@ -321,6 +324,7 @@ private:
 	BOOL			mAllowEmbeddedItems;
 	bool			mShowContextMenu;
 	bool			mParseOnTheFly;
+	bool			mEnableTooltipPaste;
 
 	LLUUID			mSourceID;
 
diff --git a/indra/llui/lltoggleablemenu.cpp b/indra/llui/lltoggleablemenu.cpp
index e4d1a37569..00d52fe10d 100644
--- a/indra/llui/lltoggleablemenu.cpp
+++ b/indra/llui/lltoggleablemenu.cpp
@@ -101,3 +101,8 @@ bool LLToggleableMenu::toggleVisibility()
 
 	return true;
 }
+
+bool LLToggleableMenu::addChild(LLView* view, S32 tab_group)
+{
+	return addContextChild(view, tab_group);
+}
diff --git a/indra/llui/lltoggleablemenu.h b/indra/llui/lltoggleablemenu.h
index 2094bd776f..4717b0d0ba 100644
--- a/indra/llui/lltoggleablemenu.h
+++ b/indra/llui/lltoggleablemenu.h
@@ -47,6 +47,8 @@ public:
 
 	virtual void handleVisibilityChange (BOOL curVisibilityIn);
 
+	virtual bool addChild (LLView* view, S32 tab_group = 0);
+
 	const LLRect& getButtonRect() const { return mButtonRect; }
 
 	// Converts the given local button rect to a screen rect
diff --git a/indra/llui/lltooltip.cpp b/indra/llui/lltooltip.cpp
index f737d48abf..7f1566d64a 100644
--- a/indra/llui/lltooltip.cpp
+++ b/indra/llui/lltooltip.cpp
@@ -390,6 +390,15 @@ bool LLToolTip::hasClickCallback()
 	return mHasClickCallback; 
 }
 
+void LLToolTip::getToolTipMessage(std::string & message)
+{
+	if (mTextBox)
+	{
+		message = mTextBox->getText();
+	}
+}
+
+
 
 //
 // LLToolTipMgr
@@ -594,5 +603,14 @@ void LLToolTipMgr::updateToolTipVisibility()
 }
 
 
+// Return the current tooltip text
+void LLToolTipMgr::getToolTipMessage(std::string & message)
+{
+	if (toolTipVisible())
+	{
+		mToolTip->getToolTipMessage(message);
+	}
+}
+
 
 // EOF
diff --git a/indra/llui/lltooltip.h b/indra/llui/lltooltip.h
index d71a944c3d..fad127fc4c 100644
--- a/indra/llui/lltooltip.h
+++ b/indra/llui/lltooltip.h
@@ -105,6 +105,8 @@ public:
 	LLToolTip(const Params& p);
 	void initFromParams(const LLToolTip::Params& params);
 
+	void getToolTipMessage(std::string & message);
+
 private:
 	class LLTextBox*	mTextBox;
 	class LLButton*     mInfoButton;
@@ -142,6 +144,8 @@ public:
 	LLRect getMouseNearRect();
 	void updateToolTipVisibility();
 
+	void getToolTipMessage(std::string & message);
+
 private:
 	void createToolTip(const LLToolTip::Params& params);
 
diff --git a/indra/llui/lluictrlfactory.h b/indra/llui/lluictrlfactory.h
index f6971261d7..e6e9c66aef 100644
--- a/indra/llui/lluictrlfactory.h
+++ b/indra/llui/lluictrlfactory.h
@@ -165,17 +165,17 @@ public:
 	static T* createFromFile(const std::string &filename, LLView *parent, const widget_registry_t& registry)
 	{
 		T* widget = NULL;
-
+		
 		instance().pushFileName(filename);
 		{
 			LLXMLNodePtr root_node;
 
 			if (!LLUICtrlFactory::getLayeredXMLNode(filename, root_node))
-			{
+				{							
 				llwarns << "Couldn't parse XUI file: " << instance().getCurFileName() << llendl;
 				goto fail;
 			}
-
+			
 			LLView* view = getInstance()->createFromXML(root_node, parent, filename, registry, NULL);
 			if (view)
 			{
@@ -260,10 +260,8 @@ private:
 			// We always want to output top-left coordinates
 			typename T::Params output_params(params);
 			T::setupParamsForExport(output_params, parent);
-			// Export only the differences between this any default params
-			typename T::Params default_params(getDefaultParams<T>());
 			copyName(node, output_node);
-			parser.writeXUI(output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, LLInitParam::default_parse_rules(), &getDefaultParams<T>());
 		}
 
 		// Apply layout transformations, usually munging rect
diff --git a/indra/llui/lluistring.cpp b/indra/llui/lluistring.cpp
index c4e073ccdb..23fc53ea88 100644
--- a/indra/llui/lluistring.cpp
+++ b/indra/llui/lluistring.cpp
@@ -26,6 +26,8 @@
 
 #include "linden_common.h"
 #include "lluistring.h"
+
+#include "llfasttimer.h"
 #include "llsd.h"
 #include "lltrans.h"
 
diff --git a/indra/llui/llxuiparser.cpp b/indra/llui/llxuiparser.cpp
index afc76024d1..903f10ce10 100644
--- a/indra/llui/llxuiparser.cpp
+++ b/indra/llui/llxuiparser.cpp
@@ -29,7 +29,7 @@
 #include "llxuiparser.h"
 
 #include "llxmlnode.h"
-
+#include "llfasttimer.h"
 #ifdef LL_STANDALONE
 #include <expat.h>
 #else
@@ -861,11 +861,11 @@ bool LLXUIParser::readAttributes(LLXMLNodePtr nodep, LLInitParam::BaseBlock& blo
 	return any_parsed;
 }
 
-void LLXUIParser::writeXUI(LLXMLNodePtr node, const LLInitParam::BaseBlock &block, const LLInitParam::BaseBlock* diff_block)
+void LLXUIParser::writeXUIImpl(LLXMLNodePtr node, const LLInitParam::BaseBlock &block, const LLInitParam::predicate_rule_t rules, const LLInitParam::BaseBlock* diff_block)
 {
 	mWriteRootNode = node;
 	name_stack_t name_stack = Parser::name_stack_t();
-	block.serializeBlock(*this, name_stack, diff_block);
+	block.serializeBlock(*this, name_stack, rules, diff_block);
 	mOutNodes.clear();
 }
 
@@ -880,16 +880,24 @@ LLXMLNodePtr LLXUIParser::getNode(name_stack_t& stack)
 		it = next_it)
 	{
 		++next_it;
+		bool force_new_node = false;
+
 		if (it->first.empty())
 		{
 			it->second = false;
 			continue;
 		}
 
+		if (next_it != stack.end() && next_it->first.empty() && next_it->second)
+		{
+			force_new_node = true;
+		}
+
+
 		out_nodes_t::iterator found_it = mOutNodes.find(it->first);
 
 		// node with this name not yet written
-		if (found_it == mOutNodes.end() || it->second)
+		if (found_it == mOutNodes.end() || it->second || force_new_node)
 		{
 			// make an attribute if we are the last element on the name stack
 			bool is_attribute = next_it == stack.end();
diff --git a/indra/llui/llxuiparser.h b/indra/llui/llxuiparser.h
index d7cd256967..8d0276a8ad 100644
--- a/indra/llui/llxuiparser.h
+++ b/indra/llui/llxuiparser.h
@@ -109,9 +109,25 @@ public:
 	/*virtual*/ void parserError(const std::string& message);
 
 	void readXUI(LLXMLNodePtr node, LLInitParam::BaseBlock& block, const std::string& filename = LLStringUtil::null, bool silent=false);
-	void writeXUI(LLXMLNodePtr node, const LLInitParam::BaseBlock& block, const LLInitParam::BaseBlock* diff_block = NULL);
+	template<typename BLOCK>
+	void writeXUI(LLXMLNodePtr node, 
+				const BLOCK& block, 
+				const LLInitParam::predicate_rule_t rules = LLInitParam::default_parse_rules(),
+				const LLInitParam::BaseBlock* diff_block = NULL)
+	{
+		if (!diff_block 
+			&& !rules.isAmbivalent(LLInitParam::HAS_DEFAULT_VALUE))
+		{
+			diff_block = &LLInitParam::defaultValue<BLOCK>();
+		}
+		writeXUIImpl(node, block, rules, diff_block);
+	}
 
 private:
+	void writeXUIImpl(LLXMLNodePtr node, 
+		const LLInitParam::BaseBlock& block, 
+		const LLInitParam::predicate_rule_t rules, 
+		const LLInitParam::BaseBlock* diff_block);
 	bool readXUIImpl(LLXMLNodePtr node, LLInitParam::BaseBlock& block);
 	bool readAttributes(LLXMLNodePtr nodep, LLInitParam::BaseBlock& block);
 
diff --git a/indra/llvfs/llpidlock.cpp b/indra/llvfs/llpidlock.cpp
index 0424f2379e..3b83d1b9e3 100644
--- a/indra/llvfs/llpidlock.cpp
+++ b/indra/llvfs/llpidlock.cpp
@@ -36,7 +36,7 @@
 
 #if LL_WINDOWS   //For windows platform.
 
-#include <windows.h>
+#include "llwin32headerslean.h"
 
 namespace {
 	inline DWORD getpid() {
diff --git a/indra/llvfs/llvfile.cpp b/indra/llvfs/llvfile.cpp
index ca749c5eaf..d3f5673485 100644
--- a/indra/llvfs/llvfile.cpp
+++ b/indra/llvfs/llvfile.cpp
@@ -30,8 +30,9 @@
 
 #include "llerror.h"
 #include "llthread.h"
-#include "llstat.h"
 #include "llvfs.h"
+#include "lltimer.h"
+#include "llfasttimer.h"
 
 const S32 LLVFile::READ			= 0x00000001;
 const S32 LLVFile::WRITE		= 0x00000002;
diff --git a/indra/llwindow/llkeyboard.h b/indra/llwindow/llkeyboard.h
index c155c1b362..276074d4ca 100644
--- a/indra/llwindow/llkeyboard.h
+++ b/indra/llwindow/llkeyboard.h
@@ -28,6 +28,7 @@
 #define LL_LLKEYBOARD_H
 
 #include <map>
+#include <boost/function.hpp>
 
 #include "string_table.h"
 #include "lltimer.h"
diff --git a/indra/llwindow/llkeyboardwin32.cpp b/indra/llwindow/llkeyboardwin32.cpp
index be3fe5deb0..b76d526c5a 100644
--- a/indra/llwindow/llkeyboardwin32.cpp
+++ b/indra/llwindow/llkeyboardwin32.cpp
@@ -28,10 +28,7 @@
 
 #include "linden_common.h"
 
-#define WIN32_LEAN_AND_MEAN
-#include <winsock2.h>
-#include <windows.h>
-
+#include "llwin32headerslean.h"
 #include "llkeyboardwin32.h"
 
 #include "llwindowcallbacks.h"
diff --git a/indra/llwindow/llwindow.h b/indra/llwindow/llwindow.h
index 4da87f4e06..f378203a88 100644
--- a/indra/llwindow/llwindow.h
+++ b/indra/llwindow/llwindow.h
@@ -31,6 +31,7 @@
 #include "llcoord.h"
 #include "llstring.h"
 #include "llcursortypes.h"
+#include "llinstancetracker.h"
 #include "llsd.h"
 
 class LLSplashScreen;
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index 9a4dd41c4e..6d887926fa 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -38,6 +38,7 @@
 
 // Linden library includes
 #include "llerror.h"
+#include "llfasttimer.h"
 #include "llgl.h"
 #include "llstring.h"
 #include "lldir.h"
@@ -58,7 +59,6 @@
 #include <dinput.h>
 #include <Dbt.h.>
 
-#include "llmemtype.h"
 // culled from winuser.h
 #ifndef WM_MOUSEWHEEL /* Added to be compatible with later SDK's */
 const S32	WM_MOUSEWHEEL = 0x020A;
@@ -1773,8 +1773,6 @@ void LLWindowWin32::gatherInput()
 	MSG		msg;
 	int		msg_count = 0;
 
-	LLMemType m1(LLMemType::MTYPE_GATHER_INPUT);
-
 	while ((msg_count < MAX_MESSAGE_PER_UPDATE) && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
 	{
 		mCallbacks->handlePingWatchdog(this, "Main:TranslateGatherInput");
diff --git a/indra/llwindow/llwindowwin32.h b/indra/llwindow/llwindowwin32.h
index 54c9ac4d4d..169d264808 100644
--- a/indra/llwindow/llwindowwin32.h
+++ b/indra/llwindow/llwindowwin32.h
@@ -28,9 +28,7 @@
 #define LL_LLWINDOWWIN32_H
 
 // Limit Windows API to small and manageable set.
-#define WIN32_LEAN_AND_MEAN
-#include <winsock2.h>
-#include <windows.h>
+#include "llwin32headerslean.h"
 
 #include "llwindow.h"
 #include "llwindowcallbacks.h"
diff --git a/indra/llxml/llxmlnode.cpp b/indra/llxml/llxmlnode.cpp
index b775249219..7570d8ccb3 100644
--- a/indra/llxml/llxmlnode.cpp
+++ b/indra/llxml/llxmlnode.cpp
@@ -273,7 +273,8 @@ void LLXMLNode::addChild(LLXMLNodePtr new_child, LLXMLNodePtr after_child)
 	new_child->mParent = this;
 	if (new_child->mIsAttribute)
 	{
-		mAttributes.insert(std::make_pair(new_child->mName, new_child));
+		std::pair<LLXMLAttribList::iterator, bool> result = mAttributes.insert(std::make_pair(new_child->mName, new_child));
+		llassert(result.second);
 	}
 	else
 	{
diff --git a/indra/lscript/lscript_execute/lscript_execute.cpp b/indra/lscript/lscript_execute/lscript_execute.cpp
index d79e9f8bde..23e1fe306e 100644
--- a/indra/lscript/lscript_execute/lscript_execute.cpp
+++ b/indra/lscript/lscript_execute/lscript_execute.cpp
@@ -35,7 +35,6 @@
 #include "lscript_library.h"
 #include "lscript_heapruntime.h"
 #include "lscript_alloc.h"
-#include "llstat.h"
 
 
 // Static
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index 7eea9ece5a..734042fefe 100755
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -215,7 +215,6 @@ set(viewer_SOURCE_FILES
     llfloaterinspect.cpp
     llfloaterinventory.cpp
     llfloaterjoystick.cpp
-    llfloaterlagmeter.cpp
     llfloaterland.cpp
     llfloaterlandholdings.cpp
     llfloatermap.cpp
@@ -336,7 +335,6 @@ set(viewer_SOURCE_FILES
     llmarketplacenotifications.cpp
     llmediactrl.cpp
     llmediadataclient.cpp
-    llmemoryview.cpp
     llmeshrepository.cpp
     llmimetypes.cpp
     llmorphview.cpp
@@ -792,7 +790,6 @@ set(viewer_HEADER_FILES
     llfloaterinspect.h
     llfloaterinventory.h
     llfloaterjoystick.h
-    llfloaterlagmeter.h
     llfloaterland.h
     llfloaterlandholdings.h
     llfloatermap.h
@@ -913,7 +910,6 @@ set(viewer_HEADER_FILES
     llmarketplacenotifications.h
     llmediactrl.h
     llmediadataclient.h
-    llmemoryview.h
     llmeshrepository.h
     llmimetypes.h
     llmorphview.h
diff --git a/indra/newview/app_settings/logcontrol.xml b/indra/newview/app_settings/logcontrol.xml
index 64122bbb6c..92a241857e 100644
--- a/indra/newview/app_settings/logcontrol.xml
+++ b/indra/newview/app_settings/logcontrol.xml
@@ -48,6 +48,6 @@
 						-->
 						</array>
 				</map>
-			</array>
+      </array>
 	</map>
 </llsd>
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 4fa1663907..f3912055bb 100755
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -5168,7 +5168,7 @@
       <key>Comment</key>
       <string>Center the focal point of the minimap.</string>
       <key>Persist</key>
-      <integer>0</integer>
+      <integer>1</integer>
       <key>Type</key>
       <string>Boolean</string>
       <key>Value</key>
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fxaaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fxaaF.glsl
index e02a7b405b..2cef8f2a5d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fxaaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fxaaF.glsl
@@ -2093,7 +2093,6 @@ uniform sampler2D diffuseMap;
 uniform vec2 rcp_screen_res;
 uniform vec4 rcp_frame_opt;
 uniform vec4 rcp_frame_opt2;
-uniform vec2 screen_res;
 VARYING vec2 vary_fragcoord;
 VARYING vec2 vary_tc;
 
diff --git a/indra/newview/gpu_table.txt b/indra/newview/gpu_table.txt
index 5e8189caa5..2a07b5ed70 100644
--- a/indra/newview/gpu_table.txt
+++ b/indra/newview/gpu_table.txt
@@ -371,10 +371,17 @@ NVIDIA GTX 690M							.*NVIDIA .*GTX *69*M.*					5	1	0	0
 NVIDIA G100								.*NVIDIA .*G10.*						3	1	1	4.2
 NVIDIA GT 120							.*NVIDIA .*GT *12.*						2	1	0	0
 NVIDIA GT 130							.*NVIDIA .*GT *13.*						2	1	0	0
+NVIDIA GT 140							.*NVIDIA .*GT *140.*					2	1	0	0
+NVIDIA GT 150							.*NVIDIA .*GT *150.*					2	1	0	0
+NVIDIA GT 160							.*NVIDIA .*GT *160.*					2	1	0	0
 NVIDIA GTS 150							.*NVIDIA .*GTS *15.*					2	1	0	0
 NVIDIA 205								.*NVIDIA .*GeForce 205.*				2	1	1	3.3
 NVIDIA 210								.*NVIDIA .*GeForce 210.*				3	1	1	3.3
 NVIDIA GT 220							.*NVIDIA .*GT *22.*						2	1	1	3.3
+NVIDIA GT 230							.*NVIDIA .*GT *230.*					2	1	1	3.3
+NVIDIA GT 240							.*NVIDIA .*GT *240.*					2	1	1	3.3
+NVIDIA GT 250							.*NVIDIA .*GT *250.*					2	1	1	3.3
+NVIDIA GT 260							.*NVIDIA .*GT *260.*					2	1	1	3.3
 NVIDIA GTS 240							.*NVIDIA .*GTS *24.*					4	1	1	3.3
 NVIDIA GTS 250							.*NVIDIA .*GTS *25.*					4	1	1	3.3
 NVIDIA GTX 260							.*NVIDIA .*GTX *26.*					4	1	1	3.3
@@ -387,9 +394,11 @@ NVIDIA GT 320							.*NVIDIA .*GT *32.*						3	1	0	0
 NVIDIA GT 330							.*NVIDIA .*GT *33.*						3	1	0	0
 NVIDIA GT 340							.*NVIDIA .*GT *34.*						3	1	0	0
 NVIDIA 405								.*NVIDIA .* 405.*						3	1	0	0
+NVIDIA GT 415							.*NVIDIA .*GT *415.*					3	1	1	4.2
 NVIDIA GT 420							.*NVIDIA .*GT *42.*						3	1	1	4.2
 NVIDIA GT 430							.*NVIDIA .*GT *43.*						3	1	1	4.1
 NVIDIA GT 440							.*NVIDIA .*GT *44.*						4	1	0	0
+NVIDIA GT 450							.*NVIDIA .*GT *45.*						4	1	0	0
 NVIDIA GTS 450							.*NVIDIA .*GTS *45.*					4	1	1	4.2
 NVIDIA GTX 460							.*NVIDIA .*GTX *46.*					5	1	1	4.2
 NVIDIA GTX 470							.*NVIDIA .*GTX *47.*					5	1	1	4.2
@@ -398,6 +407,7 @@ NVIDIA 510								.*NVIDIA .* 510.*						3	1	0	0
 NVIDIA GT 520							.*NVIDIA .*GT *52.*						3	1	1	4.2
 NVIDIA GT 530							.*NVIDIA .*GT *53.*						3	1	1	4.2
 NVIDIA GT 540							.*NVIDIA .*GT *54.*						3	1	1	4.2
+NVIDIA GT 550							.*NVIDIA .*GT *55.*						3	1	1	4.2
 NVIDIA GTX 550							.*NVIDIA .*GTX *55.*					5	1	1	4.2
 NVIDIA GTX 560							.*NVIDIA .*GTX *56.*					5	1	1	4.2
 NVIDIA GTX 570							.*NVIDIA .*GTX *57.*					5	1	1	4.2
diff --git a/indra/newview/llagent.cpp b/indra/newview/llagent.cpp
index 11fa50b51a..8e093fac95 100755
--- a/indra/newview/llagent.cpp
+++ b/indra/newview/llagent.cpp
@@ -753,7 +753,7 @@ void LLAgent::setFlying(BOOL fly)
 		}
 		if( !was_flying )
 		{
-			LLViewerStats::getInstance()->incStat(LLViewerStats::ST_FLY_COUNT);
+			LLStatViewer::FLY.add(1);
 		}
 		setControlFlags(AGENT_CONTROL_FLY);
 	}
@@ -3809,7 +3809,7 @@ bool LLAgent::teleportCore(bool is_local)
 	gAgentCamera.resetView(FALSE);
 
 	// local logic
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_TELEPORT_COUNT);
+	LLStatViewer::TELEPORT.add(1);
 	if (is_local)
 	{
 		gAgent.setTeleportState( LLAgent::TELEPORT_LOCAL );
@@ -4126,7 +4126,7 @@ void LLAgent::setTeleportState(ETeleportState state)
 
 		case TELEPORT_ARRIVING:
 		// First two position updates after a teleport tend to be weird
-		LLViewerStats::getInstance()->mAgentPositionSnaps.mCountOfNextUpdatesToIgnore = 2;
+		//LLViewerStats::getInstance()->mAgentPositionSnaps.mCountOfNextUpdatesToIgnore = 2;
 
 		// Let the interested parties know we've teleported.
 		LLViewerParcelMgr::getInstance()->onTeleportFinished(false, getPositionGlobal());
diff --git a/indra/newview/llagentcamera.cpp b/indra/newview/llagentcamera.cpp
index 751b73e1eb..4e6079e3f2 100644
--- a/indra/newview/llagentcamera.cpp
+++ b/indra/newview/llagentcamera.cpp
@@ -1081,8 +1081,8 @@ void LLAgentCamera::updateLookAt(const S32 mouse_x, const S32 mouse_y)
 	LLQuaternion av_inv_rot = ~gAgentAvatarp->mRoot.getWorldRotation();
 	LLVector3 root_at = LLVector3::x_axis * gAgentAvatarp->mRoot.getWorldRotation();
 
-	if 	((gViewerWindow->getMouseVelocityStat()->getCurrent() < 0.01f) &&
-		 (root_at * last_at_axis > 0.95f))
+	if 	(LLTrace::get_frame_recording().getLastRecordingPeriod().getLastValue(*gViewerWindow->getMouseVelocityStat()) < 0.01f
+		&& (root_at * last_at_axis > 0.95f))
 	{
 		LLVector3 vel = gAgentAvatarp->getVelocity();
 		if (vel.magVecSquared() > 4.f)
@@ -1137,13 +1137,14 @@ void LLAgentCamera::updateLookAt(const S32 mouse_x, const S32 mouse_y)
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_UPDATE_CAMERA("Camera");
+
 //-----------------------------------------------------------------------------
 // updateCamera()
 //-----------------------------------------------------------------------------
 void LLAgentCamera::updateCamera()
 {
-	static LLFastTimer::DeclareTimer ftm("Camera");
-	LLFastTimer t(ftm);
+	LLFastTimer t(FTM_UPDATE_CAMERA);
 
 	// - changed camera_skyward to the new global "mCameraUpVector"
 	mCameraUpVector = LLVector3::z_axis;
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 438194c715..f73fc4b990 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -60,7 +60,8 @@
 #include "llcurl.h"
 #include "llcalc.h"
 #include "lltexturestats.h"
-#include "lltexturestats.h"
+#include "lltrace.h"
+#include "lltracethreadrecorder.h"
 #include "llviewerwindow.h"
 #include "llviewerdisplay.h"
 #include "llviewermedia.h"
@@ -277,7 +278,7 @@ LLPumpIO* gServicePump = NULL;
 
 U64 gFrameTime = 0;
 F32 gFrameTimeSeconds = 0.f;
-F32 gFrameIntervalSeconds = 0.f;
+LLUnit<LLUnits::Seconds, F32> gFrameIntervalSeconds = 0.f;
 F32 gFPSClamped = 10.f;						// Pretend we start at target rate.
 F32 gFrameDTClamped = 0.f;					// Time between adjacent checks to network for packets
 U64	gStartTime = 0; // gStartTime is "private", used only to calculate gFrameTimeSeconds
@@ -679,7 +680,7 @@ bool LLAppViewer::init()
 	// into the log files during normal startup until AFTER
 	// we run the "program crashed last time" error handler below.
 	//
-	LLFastTimer::reset();
+	LLTrace::BlockTimer::reset();
 
 	// initialize SSE options
 	LLVector4a::initClass();
@@ -731,14 +732,14 @@ bool LLAppViewer::init()
 
     mAlloc.setProfilingEnabled(gSavedSettings.getBOOL("MemProfiling"));
 
-#if LL_RECORD_VIEWER_STATS
-	LLViewerStatsRecorder::initClass();
-#endif
-
 	// Initialize the non-LLCurl libcurl library.  Should be called
 	// before consumers (LLTextureFetch).
 	mAppCoreHttp.init();
 	
+#if LL_RECORD_VIEWER_STATS
+	LLViewerStatsRecorder::initClass();
+#endif
+
     // *NOTE:Mani - LLCurl::initClass is not thread safe. 
     // Called before threads are created.
     LLCurl::initClass(gSavedSettings.getF32("CurlRequestTimeOut"), 
@@ -808,9 +809,6 @@ bool LLAppViewer::init()
 	//////////////////////////////////////////////////////////////////////////////
 	// *FIX: The following code isn't grouped into functions yet.
 
-	// Statistics / debug timer initialization
-	init_statistics();
-	
 	//
 	// Various introspection concerning the libs we're using - particularly
 	// the libs involved in getting to a full login screen.
@@ -1196,9 +1194,10 @@ static LLFastTimer::DeclareTimer FTM_SERVICE_CALLBACK("Callback");
 static LLFastTimer::DeclareTimer FTM_AGENT_AUTOPILOT("Autopilot");
 static LLFastTimer::DeclareTimer FTM_AGENT_UPDATE("Update");
 
+LLFastTimer::DeclareTimer FTM_FRAME("Frame", true);
+
 bool LLAppViewer::mainLoop()
 {
-	LLMemType mt1(LLMemType::MTYPE_MAIN);
 	mMainloopTimeout = new LLWatchdogTimeout();
 	
 	//-------------------------------------------
@@ -1234,7 +1233,9 @@ bool LLAppViewer::mainLoop()
 	// Handle messages
 	while (!LLApp::isExiting())
 	{
-		LLFastTimer::nextFrame(); // Should be outside of any timer instances
+		LLFastTimer _(FTM_FRAME);
+		LLTrace::BlockTimer::nextFrame(); 
+		LLTrace::getMasterThreadRecorder().pullFromSlaveThreads();
 
 		//clear call stack records
 		llclearcallstacks;
@@ -1298,7 +1299,6 @@ bool LLAppViewer::mainLoop()
 					&& (gHeadlessClient || !gViewerWindow->getShowProgress())
 					&& !gFocusMgr.focusLocked())
 				{
-					LLMemType mjk(LLMemType::MTYPE_JOY_KEY);
 					joystick->scanJoystick();
 					gKeyboard->scanKeyboard();
 				}
@@ -1312,7 +1312,6 @@ bool LLAppViewer::mainLoop()
 
 					if (gAres != NULL && gAres->isInitialized())
 					{
-						LLMemType mt_ip(LLMemType::MTYPE_IDLE_PUMP);
 						pingMainloopTimeout("Main:ServicePump");				
 						LLFastTimer t4(FTM_PUMP);
 						{
@@ -1362,7 +1361,6 @@ bool LLAppViewer::mainLoop()
 
 			// Sleep and run background threads
 			{
-				LLMemType mt_sleep(LLMemType::MTYPE_SLEEP);
 				LLFastTimer t2(FTM_SLEEP);
 				
 				// yield some time to the os based on command line option
@@ -1409,7 +1407,7 @@ bool LLAppViewer::mainLoop()
 				{
 					S32 work_pending = 0;
 					S32 io_pending = 0;
-					F32 max_time = llmin(gFrameIntervalSeconds*10.f, 1.f);
+					F32 max_time = llmin(gFrameIntervalSeconds.value() *10.f, 1.f);
 
 					{
 						LLFastTimer ftm(FTM_TEXTURE_CACHE);
@@ -1566,9 +1564,9 @@ bool LLAppViewer::cleanup()
 	if (LLFastTimerView::sAnalyzePerformance)
 	{
 		llinfos << "Analyzing performance" << llendl;
-		std::string baseline_name = LLFastTimer::sLogName + "_baseline.slp";
-		std::string current_name  = LLFastTimer::sLogName + ".slp"; 
-		std::string report_name   = LLFastTimer::sLogName + "_report.csv";
+		std::string baseline_name = LLTrace::BlockTimer::sLogName + "_baseline.slp";
+		std::string current_name  = LLTrace::BlockTimer::sLogName + ".slp"; 
+		std::string report_name   = LLTrace::BlockTimer::sLogName + "_report.csv";
 
 		LLFastTimerView::doAnalysis(
 			gDirUtilp->getExpandedFilename(LL_PATH_LOGS, baseline_name),
@@ -1927,9 +1925,9 @@ bool LLAppViewer::cleanup()
 	{
 		llinfos << "Analyzing performance" << llendl;
 		
-		std::string baseline_name = LLFastTimer::sLogName + "_baseline.slp";
-		std::string current_name  = LLFastTimer::sLogName + ".slp"; 
-		std::string report_name   = LLFastTimer::sLogName + "_report.csv";
+		std::string baseline_name = LLTrace::BlockTimer::sLogName + "_baseline.slp";
+		std::string current_name  = LLTrace::BlockTimer::sLogName + ".slp"; 
+		std::string report_name   = LLTrace::BlockTimer::sLogName + "_report.csv";
 
 		LLFastTimerView::doAnalysis(
 			gDirUtilp->getExpandedFilename(LL_PATH_LOGS, baseline_name),
@@ -1939,10 +1937,6 @@ bool LLAppViewer::cleanup()
 
 	LLMetricPerformanceTesterBasic::cleanClass() ;
 
-#if LL_RECORD_VIEWER_STATS
-	LLViewerStatsRecorder::cleanupClass();
-#endif
-
 	llinfos << "Cleaning up Media and Textures" << llendflush;
 
 	//Note:
@@ -2056,10 +2050,10 @@ bool LLAppViewer::initThreads()
 													enable_threads && true,
 													app_metrics_qa_mode);	
 
-	if (LLFastTimer::sLog || LLFastTimer::sMetricLog)
+	if (LLTrace::BlockTimer::sLog || LLTrace::BlockTimer::sMetricLog)
 	{
-		LLFastTimer::sLogLock = new LLMutex(NULL);
-		mFastTimerLogThread = new LLFastTimerLogThread(LLFastTimer::sLogName);
+		LLTrace::BlockTimer::setLogLock(new LLMutex(NULL));
+		mFastTimerLogThread = new LLFastTimerLogThread(LLTrace::BlockTimer::sLogName);
 		mFastTimerLogThread->start();
 	}
 
@@ -2264,7 +2258,7 @@ bool LLAppViewer::initConfiguration()
 		OSMessageBox(msg.str(),LLStringUtil::null,OSMB_OK);
 		return false;
 	}
-
+	
 	initStrings(); // setup paths for LLTrans based on settings files only
 	// - set procedural settings
 	// Note: can't use LL_PATH_PER_SL_ACCOUNT for any of these since we haven't logged in yet
@@ -2468,13 +2462,13 @@ bool LLAppViewer::initConfiguration()
 
 	if (clp.hasOption("logperformance"))
 	{
-		LLFastTimer::sLog = TRUE;
-		LLFastTimer::sLogName = std::string("performance");		
+		LLTrace::BlockTimer::sLog = true;
+		LLTrace::BlockTimer::sLogName = std::string("performance");		
 	}
 	
 	if (clp.hasOption("logmetrics"))
  	{
- 		LLFastTimer::sMetricLog = TRUE ;
+ 		LLTrace::BlockTimer::sMetricLog = true ;
 		// '--logmetrics' can be specified with a named test metric argument so the data gathering is done only on that test
 		// In the absence of argument, every metric is gathered (makes for a rather slow run and hard to decipher report...)
 		std::string test_name = clp.getOption("logmetrics")[0];
@@ -2482,11 +2476,11 @@ bool LLAppViewer::initConfiguration()
 		if (test_name == "")
 		{
 			llwarns << "No '--logmetrics' argument given, will output all metrics to " << DEFAULT_METRIC_NAME << llendl;
-			LLFastTimer::sLogName = DEFAULT_METRIC_NAME;
+			LLTrace::BlockTimer::sLogName = DEFAULT_METRIC_NAME;
 		}
 		else
 		{
-			LLFastTimer::sLogName = test_name;
+			LLTrace::BlockTimer::sLogName = test_name;
 		}
  	}
 
@@ -2579,15 +2573,15 @@ bool LLAppViewer::initConfiguration()
 		LLStartUp::setStartSLURL(start_slurl);
     }
 
-	const LLControlVariable* skinfolder = gSavedSettings.getControl("SkinCurrent");
-	if(skinfolder && LLStringUtil::null != skinfolder->getValue().asString())
-	{	
+    const LLControlVariable* skinfolder = gSavedSettings.getControl("SkinCurrent");
+    if(skinfolder && LLStringUtil::null != skinfolder->getValue().asString())
+    {   
 		// Examining "Language" may not suffice -- see LLUI::getLanguage()
 		// logic. Unfortunately LLUI::getLanguage() doesn't yet do us much
 		// good because we haven't yet called LLUI::initClass().
 		gDirUtilp->setSkinFolder(skinfolder->getValue().asString(),
 								 gSavedSettings.getString("Language"));
-	}
+    }
 
 	if (gSavedSettings.getBOOL("SpellCheck"))
 	{
@@ -3222,8 +3216,6 @@ void LLAppViewer::writeSystemInfo()
 	LL_INFOS("SystemInfo") << "OS: " << getOSInfo().getOSStringSimple() << LL_ENDL;
 	LL_INFOS("SystemInfo") << "OS info: " << getOSInfo() << LL_ENDL;
 
-	LL_INFOS("SystemInfo") << "Timers: " << LLFastTimer::sClockType << LL_ENDL;
-
 	writeDebugInfo(); // Save out debug_info.log early, in case of crash.
 }
 
@@ -4198,6 +4190,8 @@ static LLFastTimer::DeclareTimer FTM_WORLD_UPDATE("Update World");
 static LLFastTimer::DeclareTimer FTM_NETWORK("Network");
 static LLFastTimer::DeclareTimer FTM_AGENT_NETWORK("Agent Network");
 static LLFastTimer::DeclareTimer FTM_VLMANAGER("VL Manager");
+static LLFastTimer::DeclareTimer FTM_AGENT_POSITION("Agent Position");
+static LLFastTimer::DeclareTimer FTM_HUD_EFFECTS("HUD Effects");
 
 ///////////////////////////////////////////////////////
 // idle()
@@ -4207,7 +4201,6 @@ static LLFastTimer::DeclareTimer FTM_VLMANAGER("VL Manager");
 ///////////////////////////////////////////////////////
 void LLAppViewer::idle()
 {
-	LLMemType mt_idle(LLMemType::MTYPE_IDLE);
 	pingMainloopTimeout("Main:Idle");
 	
 	// Update frame timers
@@ -4320,7 +4313,6 @@ void LLAppViewer::idle()
 		// of SEND_STATS_PERIOD so that the initial stats report will
 		// be sent immediately.
 		static LLFrameStatsTimer viewer_stats_timer(SEND_STATS_PERIOD);
-		reset_statistics();
 
 		// Update session stats every large chunk of time
 		// *FIX: (???) SAMANTHA
@@ -4352,10 +4344,6 @@ void LLAppViewer::idle()
 				gObjectList.mNumUnknownUpdates = 0;
 			}
 
-			// ViewerMetrics FPS piggy-backing on the debug timer.
-			// The 5-second interval is nice for this purpose.  If the object debug
-			// bit moves or is disabled, please give this a suitable home.
-			LLViewerAssetStatsFF::record_fps_main(gFPSClamped);
 			LLViewerAssetStatsFF::record_avatar_stats();
 		}
 	}
@@ -4380,9 +4368,12 @@ void LLAppViewer::idle()
 		idle_afk_check();
 
 		//  Update statistics for this frame
-		update_statistics(gFrameCount);
+		update_statistics();
 	}
 
+	LLTrace::get_frame_recording().nextPeriod();
+
+
 	////////////////////////////////////////
 	//
 	// Handle the regular UI idle callbacks as well as
@@ -4437,8 +4428,7 @@ void LLAppViewer::idle()
 
 	{
 		// Handle pending gesture processing
-		static LLFastTimer::DeclareTimer ftm("Agent Position");
-		LLFastTimer t(ftm);
+		LLFastTimer t(FTM_AGENT_POSITION);
 		LLGestureMgr::instance().update();
 
 		gAgent.updateAgentPosition(gFrameDTClamped, yaw, current_mouse.mX, current_mouse.mY);
@@ -4485,8 +4475,7 @@ void LLAppViewer::idle()
 	//
 
 	{
-		static LLFastTimer::DeclareTimer ftm("HUD Effects");
-		LLFastTimer t(ftm);
+		LLFastTimer t(FTM_HUD_EFFECTS);
 		LLSelectMgr::getInstance()->updateEffects();
 		LLHUDManager::getInstance()->cleanupEffects();
 		LLHUDManager::getInstance()->sendEffects();
@@ -4806,7 +4795,6 @@ static LLFastTimer::DeclareTimer FTM_CHECK_REGION_CIRCUIT("Check Region Circuit"
 
 void LLAppViewer::idleNetwork()
 {
-	LLMemType mt_in(LLMemType::MTYPE_IDLE_NETWORK);
 	pingMainloopTimeout("idleNetwork");
 	
 	gObjectList.mNumNewObjects = 0;
@@ -4885,7 +4873,7 @@ void LLAppViewer::idleNetwork()
 			gPrintMessagesThisFrame = FALSE;
 		}
 	}
-	LLViewerStats::getInstance()->mNumNewObjectsStat.addValue(gObjectList.mNumNewObjects);
+	LLStatViewer::NUM_NEW_OBJECTS.sample(gObjectList.mNumNewObjects);
 
 	// Retransmit unacknowledged packets.
 	gXferManager->retransmitUnackedPackets();
@@ -5295,17 +5283,7 @@ void LLAppViewer::metricsUpdateRegion(U64 region_handle)
 {
 	if (0 != region_handle)
 	{
-		LLViewerAssetStatsFF::set_region_main(region_handle);
-		if (LLAppViewer::sTextureFetch)
-		{
-			// Send a region update message into 'thread1' to get the new region.
-			LLAppViewer::sTextureFetch->commandSetRegion(region_handle);
-		}
-		else
-		{
-			// No 'thread1', a.k.a. TextureFetch, so update directly
-			LLViewerAssetStatsFF::set_region_thread1(region_handle);
-		}
+		LLViewerAssetStatsFF::set_region(region_handle);
 	}
 }
 
@@ -5316,7 +5294,7 @@ void LLAppViewer::metricsUpdateRegion(U64 region_handle)
  */
 void LLAppViewer::metricsSend(bool enable_reporting)
 {
-	if (! gViewerAssetStatsMain)
+	if (! gViewerAssetStats)
 		return;
 
 	if (LLAppViewer::sTextureFetch)
@@ -5329,7 +5307,9 @@ void LLAppViewer::metricsSend(bool enable_reporting)
 
 			// Make a copy of the main stats to send into another thread.
 			// Receiving thread takes ownership.
-			LLViewerAssetStats * main_stats(new LLViewerAssetStats(*gViewerAssetStatsMain));
+			LLViewerAssetStats * main_stats(new LLViewerAssetStats(*gViewerAssetStats));
+
+			main_stats->updateStats();
 			
 			// Send a report request into 'thread1' to get the rest of the data
 			// and provide some additional parameters while here.
@@ -5348,6 +5328,6 @@ void LLAppViewer::metricsSend(bool enable_reporting)
 	// Reset even if we can't report.  Rather than gather up a huge chunk of
 	// data, we'll keep to our sampling interval and retain the data
 	// resolution in time.
-	gViewerAssetStatsMain->reset();
+	gViewerAssetStats->reset();
 }
 
diff --git a/indra/newview/llappviewer.h b/indra/newview/llappviewer.h
index 7a474f9122..58237d573d 100644
--- a/indra/newview/llappviewer.h
+++ b/indra/newview/llappviewer.h
@@ -32,6 +32,7 @@
 #include "llsys.h"			// for LLOSInfo
 #include "lltimer.h"
 #include "llappcorehttp.h"
+#include "llunit.h"
 
 class LLCommandLineParser;
 class LLFrameTimer;
@@ -42,6 +43,9 @@ class LLTextureFetch;
 class LLWatchdogTimeout;
 class LLUpdaterService;
 
+extern LLFastTimer::DeclareTimer FTM_FRAME;
+
+
 class LLAppViewer : public LLApp
 {
 public:
@@ -174,7 +178,7 @@ public:
 	// Metrics policy helper statics.
 	static void metricsUpdateRegion(U64 region_handle);
 	static void metricsSend(bool enable_reporting);
-
+	
 	// llcorehttp init/shutdown/config information.
 	LLAppCoreHttp & getAppCoreHttp()			{ return mAppCoreHttp; }
 	
@@ -326,7 +330,7 @@ extern LLPumpIO* gServicePump;
 
 extern U64      gFrameTime;					// The timestamp of the most-recently-processed frame
 extern F32		gFrameTimeSeconds;			// Loses msec precision after ~4.5 hours...
-extern F32		gFrameIntervalSeconds;		// Elapsed time between current and previous gFrameTimeSeconds
+extern LLUnit<LLUnits::Seconds, F32>		gFrameIntervalSeconds;		// Elapsed time between current and previous gFrameTimeSeconds
 extern F32		gFPSClamped;				// Frames per second, smoothed, weighted toward last frame
 extern F32		gFrameDTClamped;
 extern U64		gStartTime;
diff --git a/indra/newview/llappviewerlinux.cpp b/indra/newview/llappviewerlinux.cpp
index e8d8efdc0a..8695652168 100644
--- a/indra/newview/llappviewerlinux.cpp
+++ b/indra/newview/llappviewerlinux.cpp
@@ -31,7 +31,6 @@
 #include "llcommandlineparser.h"
 
 #include "lldiriterator.h"
-#include "llmemtype.h"
 #include "llurldispatcher.h"		// SLURL from other app instance
 #include "llviewernetwork.h"
 #include "llviewercontrol.h"
@@ -71,8 +70,6 @@ static void exceptionTerminateHandler()
 
 int main( int argc, char **argv ) 
 {
-	LLMemType mt1(LLMemType::MTYPE_STARTUP);
-
 #if LL_SOLARIS && defined(__sparc)
 	asm ("ta\t6");		 // NOTE:  Make sure memory alignment is enforced on SPARC
 #endif
diff --git a/indra/newview/llappviewermacosx.cpp b/indra/newview/llappviewermacosx.cpp
index c2916717bd..4d340cafa9 100644
--- a/indra/newview/llappviewermacosx.cpp
+++ b/indra/newview/llappviewermacosx.cpp
@@ -33,8 +33,6 @@
 #include "llappviewermacosx.h"
 #include "llcommandlineparser.h"
 
-#include "llmemtype.h"
-
 #include "llviewernetwork.h"
 #include "llviewercontrol.h"
 #include "llmd5.h"
@@ -67,8 +65,6 @@ namespace
 
 int main( int argc, char **argv ) 
 {
-	LLMemType mt1(LLMemType::MTYPE_STARTUP);
-
 #if LL_SOLARIS && defined(__sparc)
 	asm ("ta\t6");		 // NOTE:  Make sure memory alignment is enforced on SPARC
 #endif
diff --git a/indra/newview/llappviewerwin32.cpp b/indra/newview/llappviewerwin32.cpp
index e0ca1232b0..510ec47a31 100644
--- a/indra/newview/llappviewerwin32.cpp
+++ b/indra/newview/llappviewerwin32.cpp
@@ -32,7 +32,6 @@
 
 #include "llappviewerwin32.h"
 
-#include "llmemtype.h"
 
 #include "llwindowwin32.h" // *FIX: for setting gIconResource.
 #include "llgl.h"
@@ -117,8 +116,6 @@ int APIENTRY WINMAIN(HINSTANCE hInstance,
 	#endif // _DEBUG
 #endif // INCLUDE_VLD
 
-	LLMemType mt1(LLMemType::MTYPE_STARTUP);
-
 	const S32 MAX_HEAPS = 255;
 	DWORD heap_enable_lfh_error[MAX_HEAPS];
 	S32 num_heaps = 0;
diff --git a/indra/newview/llchatbar.cpp b/indra/newview/llchatbar.cpp
index d6095cce07..f6bad18070 100644
--- a/indra/newview/llchatbar.cpp
+++ b/indra/newview/llchatbar.cpp
@@ -618,24 +618,6 @@ void LLChatBar::sendChatFromViewer(const LLWString &wtext, EChatType type, BOOL
 
 	send_chat_from_viewer(utf8_out_text, type, channel);
 }
-/*
-void send_chat_from_viewer(const std::string& utf8_out_text, EChatType type, S32 channel)
-{
-	LLMessageSystem* msg = gMessageSystem;
-	msg->newMessageFast(_PREHASH_ChatFromViewer);
-	msg->nextBlockFast(_PREHASH_AgentData);
-	msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
-	msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
-	msg->nextBlockFast(_PREHASH_ChatData);
-	msg->addStringFast(_PREHASH_Message, utf8_out_text);
-	msg->addU8Fast(_PREHASH_Type, type);
-	msg->addS32("Channel", channel);
-
-	gAgent.sendReliableMessage();
-
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_CHAT_COUNT);
-}
-*/
 
 void LLChatBar::onCommitGesture(LLUICtrl* ctrl)
 {
diff --git a/indra/newview/llcompilequeue.cpp b/indra/newview/llcompilequeue.cpp
index 4f5f9e22b6..033c8f4865 100644
--- a/indra/newview/llcompilequeue.cpp
+++ b/indra/newview/llcompilequeue.cpp
@@ -436,8 +436,6 @@ void LLFloaterCompileQueue::scriptArrived(LLVFS *vfs, const LLUUID& asset_id,
 	}
 	else
 	{
-		LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
-
 		if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status )
 		{
 			LLSD args;
diff --git a/indra/newview/lldebugview.cpp b/indra/newview/lldebugview.cpp
index 29b1d23d7d..aeecf054b8 100644
--- a/indra/newview/lldebugview.cpp
+++ b/indra/newview/lldebugview.cpp
@@ -30,7 +30,6 @@
 
 // library includes
 #include "llfasttimerview.h"
-#include "llmemoryview.h"
 #include "llconsole.h"
 #include "lltextureview.h"
 #include "llresmgr.h"
@@ -38,7 +37,6 @@
 #include "llviewercontrol.h"
 #include "llviewerwindow.h"
 #include "llappviewer.h"
-#include "llmemoryview.h"
 #include "llsceneview.h"
 #include "llviewertexture.h"
 #include "llfloaterreg.h"
@@ -103,13 +101,6 @@ void LLDebugView::init()
 	
 	r.setLeftTopAndSize(25, rect.getHeight() - 50, (S32) (gViewerWindow->getWindowRectScaled().getWidth() * 0.75f), 
 									 (S32) (gViewerWindow->getWindowRectScaled().getHeight() * 0.75f));
-	LLMemoryView::Params mp;
-	mp.name("memory");
-	mp.rect(r);
-	mp.follows.flags(FOLLOWS_TOP | FOLLOWS_LEFT);
-	mp.visible(false);
-	mMemoryView = LLUICtrlFactory::create<LLMemoryView>(mp);
-	addChild(mMemoryView);
 
 	r.set(150, rect.getHeight() - 50, 820, 100);
 	LLTextureView::Params tvp;
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index 4894d63e13..09bbafd54a 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -256,8 +256,6 @@ S32 LLDrawable::findReferences(LLDrawable *drawablep)
 
 LLFace*	LLDrawable::addFace(LLFacePool *poolp, LLViewerTexture *texturep)
 {
-	LLMemType mt(LLMemType::MTYPE_DRAWABLE);
-	
 	LLFace *face = new LLFace(this, mVObjp);
 	if (!face) llerrs << "Allocating new Face: " << mFaces.size() << llendl;
 	
@@ -280,8 +278,6 @@ LLFace*	LLDrawable::addFace(LLFacePool *poolp, LLViewerTexture *texturep)
 
 LLFace*	LLDrawable::addFace(const LLTextureEntry *te, LLViewerTexture *texturep)
 {
-	LLMemType mt(LLMemType::MTYPE_DRAWABLE);
-	
 	LLFace *face;
 	face = new LLFace(this, mVObjp);
 
@@ -624,7 +620,7 @@ BOOL LLDrawable::updateMove()
 	{
 		return FALSE;
 	}
-
+	
 	makeActive();
 
 	BOOL done;
@@ -764,8 +760,6 @@ void LLDrawable::updateDistance(LLCamera& camera, bool force_update)
 
 void LLDrawable::updateTexture()
 {
-	LLMemType mt(LLMemType::MTYPE_DRAWABLE);
-	
 	if (isDead())
 	{
 		llwarns << "Dead drawable updating texture!" << llendl;
@@ -1410,7 +1404,7 @@ void LLSpatialBridge::updateDistance(LLCamera& camera_in, bool force_update)
 		markDead();
 		return;
 	}
-
+	
 	if (gShiftFrame)
 	{
 		return;
@@ -1497,7 +1491,7 @@ void LLSpatialBridge::cleanupReferences()
 		
 		DON'T DO THIS -- this should happen through octree destruction
 
-		mDrawable->setSpatialGroup(NULL);
+			mDrawable->setSpatialGroup(NULL);
 		if (mDrawable->getVObj())
 		{
 			LLViewerObject::const_child_list_t& child_list = mDrawable->getVObj()->getChildren();
@@ -1508,9 +1502,9 @@ void LLSpatialBridge::cleanupReferences()
 				LLDrawable* drawable = child->mDrawable;					
 				if (drawable)
 				{
-					drawable->setSpatialGroup(NULL);
+						drawable->setSpatialGroup(NULL);
+					}
 				}
-			}
 		}*/
 
 		LLDrawable* drawablep = mDrawable;
diff --git a/indra/newview/lldrawable.h b/indra/newview/lldrawable.h
index b1e32bdb5b..4608d16fec 100644
--- a/indra/newview/lldrawable.h
+++ b/indra/newview/lldrawable.h
@@ -38,7 +38,6 @@
 #include "llvector4a.h"
 #include "llquaternion.h"
 #include "xform.h"
-#include "llmemtype.h"
 #include "lldarray.h"
 #include "llviewerobject.h"
 #include "llrect.h"
@@ -87,7 +86,6 @@ public:
 	}
 
 	LLDrawable()				{ init(); }
-	MEM_TYPE_NEW(LLMemType::MTYPE_DRAWABLE);
 	
 	void markDead();			// Mark this drawable as dead
 	BOOL isDead() const			{ return isState(DEAD); }
diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index 730ad1a364..59161d063e 100644
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -1272,6 +1272,9 @@ void LLDrawPoolAvatar::updateRiggedFaceVertexBuffer(LLVOAvatar* avatar, LLFace*
 		face->setGeomIndex(0);
 		face->setIndicesIndex(0);
 		
+		//rigged faces do not batch textures
+		face->setTextureIndex(255);
+
 		if (buffer.isNull() || buffer->getTypeMask() != data_mask || !buffer->isWriteable())
 		{ //make a new buffer
 			if (sShaderLevel > 0)
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index a264eae302..1b0b11298c 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -1192,7 +1192,7 @@ static LLFastTimer::DeclareTimer FTM_BUMP_SOURCE_MIN_MAX("Min/Max");
 static LLFastTimer::DeclareTimer FTM_BUMP_SOURCE_RGB2LUM("RGB to Luminance");
 static LLFastTimer::DeclareTimer FTM_BUMP_SOURCE_RESCALE("Rescale");
 static LLFastTimer::DeclareTimer FTM_BUMP_SOURCE_GEN_NORMAL("Generate Normal");
-static LLFastTimer::DeclareTimer FTM_BUMP_SOURCE_CREATE("Create");
+static LLFastTimer::DeclareTimer FTM_BUMP_SOURCE_CREATE("Bump Source Create");
 
 // static
 void LLBumpImageList::onSourceLoaded( BOOL success, LLViewerTexture *src_vi, LLImageRaw* src, LLUUID& source_asset_id, EBumpEffect bump_code )
diff --git a/indra/newview/lldrawpoolwater.cpp b/indra/newview/lldrawpoolwater.cpp
index 4f6eaa5a5b..61f5ecc46f 100644
--- a/indra/newview/lldrawpoolwater.cpp
+++ b/indra/newview/lldrawpoolwater.cpp
@@ -463,7 +463,7 @@ void LLDrawPoolWater::renderReflection(LLFace* face)
 
 	gGL.getTexUnit(0)->bind(mHBTex[dr]);
 
-	LLOverrideFaceColor override(this, face->getFaceColor().mV);
+	LLOverrideFaceColor override(this, LLColor4(face->getFaceColor().mV));
 	face->renderIndexed();
 }
 
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 605cb81c10..0b3bc2b19a 100755
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -166,7 +166,7 @@ void LLFace::init(LLDrawable* drawablep, LLViewerObject* objp)
 
 	//special value to indicate uninitialized position
 	mIndicesIndex	= 0xFFFFFFFF;
-	
+
 	mIndexInTex = 0;
 	mTexture		= NULL;
 	mTEOffset		= -1;
@@ -263,8 +263,6 @@ void LLFace::setPool(LLFacePool* pool)
 
 void LLFace::setPool(LLFacePool* new_pool, LLViewerTexture *texturep)
 {
-	LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
-	
 	if (!new_pool)
 	{
 		llerrs << "Setting pool to null!" << llendl;
@@ -442,8 +440,6 @@ U16 LLFace::getGeometryAvatar(
 						LLStrider<F32>		 &vertex_weights,
 						LLStrider<LLVector4> &clothing_weights)
 {
-	LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
-
 	if (mVertexBuffer.notNull())
 	{
 		mVertexBuffer->getVertexStrider      (vertices, mGeomIndex, mGeomCount);
@@ -459,8 +455,6 @@ U16 LLFace::getGeometryAvatar(
 U16 LLFace::getGeometry(LLStrider<LLVector3> &vertices, LLStrider<LLVector3> &normals,
 					    LLStrider<LLVector2> &tex_coords, LLStrider<U16> &indicesp)
 {
-	LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
-	
 	if (mVertexBuffer.notNull())
 	{
 		mVertexBuffer->getVertexStrider(vertices,   mGeomIndex, mGeomCount);
@@ -770,8 +764,6 @@ bool less_than_max_mag(const LLVector4a& vec)
 BOOL LLFace::genVolumeBBoxes(const LLVolume &volume, S32 f,
 								const LLMatrix4& mat_vert_in, const LLMatrix3& mat_normal_in, BOOL global_volume)
 {
-	LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
-
 	//get bounding box
 	if (mDrawablep->isState(LLDrawable::REBUILD_VOLUME | LLDrawable::REBUILD_POSITION | LLDrawable::REBUILD_RIGGED))
 	{
@@ -1066,7 +1058,7 @@ bool LLFace::canRenderAsMask()
 	{
 		return false;
 	}
-	
+
 	if ((te->getColor().mV[3] == 1.0f) && // can't treat as mask if we have face alpha
 		(te->getGlow() == 0.f) && // glowing masks are hard to implement - don't mask
 		getTexture()->getIsAlphaMask()) // texture actually qualifies for masking (lazily recalculated but expensive)
diff --git a/indra/newview/llfasttimerview.cpp b/indra/newview/llfasttimerview.cpp
index 9664aa7dbe..7a5c9dba46 100644
--- a/indra/newview/llfasttimerview.cpp
+++ b/indra/newview/llfasttimerview.cpp
@@ -46,7 +46,6 @@
 #include "llviewertexturelist.h"
 #include "llui.h"
 #include "llviewercontrol.h"
-#include "llstat.h"
 
 #include "llfasttimer.h"
 #include "lltreeiterators.h"
@@ -62,17 +61,17 @@ static const S32 LINE_GRAPH_HEIGHT = 240;
 static S32 FTV_NUM_TIMERS;
 const S32 FTV_MAX_DEPTH = 8;
 
-std::vector<LLFastTimer::NamedTimer*> ft_display_idx; // line of table entry for display purposes (for collapse)
+std::vector<LLTrace::BlockTimer*> ft_display_idx; // line of table entry for display purposes (for collapse)
 
-typedef LLTreeDFSIter<LLFastTimer::NamedTimer, LLFastTimer::NamedTimer::child_const_iter> timer_tree_iterator_t;
+typedef LLTreeDFSIter<LLTrace::BlockTimer, LLTrace::BlockTimer::child_const_iter> timer_tree_iterator_t;
 
 BOOL LLFastTimerView::sAnalyzePerformance = FALSE;
 
-static timer_tree_iterator_t begin_timer_tree(LLFastTimer::NamedTimer& id) 
+static timer_tree_iterator_t begin_timer_tree(LLTrace::BlockTimer& id) 
 { 
 	return timer_tree_iterator_t(&id, 
-							boost::bind(boost::mem_fn(&LLFastTimer::NamedTimer::beginChildren), _1), 
-							boost::bind(boost::mem_fn(&LLFastTimer::NamedTimer::endChildren), _1));
+							boost::bind(boost::mem_fn(&LLTrace::BlockTimer::beginChildren), _1), 
+							boost::bind(boost::mem_fn(&LLTrace::BlockTimer::endChildren), _1));
 }
 
 static timer_tree_iterator_t end_timer_tree() 
@@ -93,19 +92,18 @@ LLFastTimerView::LLFastTimerView(const LLSD& key)
 	mScrollIndex = 0;
 	mHoverID = NULL;
 	mHoverBarIndex = -1;
-	FTV_NUM_TIMERS = LLFastTimer::NamedTimer::instanceCount();
+	FTV_NUM_TIMERS = LLInstanceTracker<LLTrace::BlockTimer>::instanceCount();
 	mPrintStats = -1;	
-	mAverageCyclesPerTimer = 0;
 }
 
 void LLFastTimerView::onPause()
 {
-	LLFastTimer::sPauseHistory = !LLFastTimer::sPauseHistory;
+	LLTrace::BlockTimer::sPauseHistory = !LLTrace::BlockTimer::sPauseHistory;
 	// reset scroll to bottom when unpausing
-	if (!LLFastTimer::sPauseHistory)
+	if (!LLTrace::BlockTimer::sPauseHistory)
 	{
 		mScrollIndex = 0;
-		LLFastTimer::sResetHistory = true;
+		LLTrace::BlockTimer::sResetHistory = true;
 		getChild<LLButton>("pause_btn")->setLabel(getString("pause"));
 	}
 	else
@@ -141,13 +139,13 @@ BOOL LLFastTimerView::handleRightMouseDown(S32 x, S32 y, MASK mask)
 	{
 		S32 bar_idx = MAX_VISIBLE_HISTORY - ((y - mBarRect.mBottom) * (MAX_VISIBLE_HISTORY + 2) / mBarRect.getHeight());
 		bar_idx = llclamp(bar_idx, 0, MAX_VISIBLE_HISTORY);
-		mPrintStats = LLFastTimer::NamedTimer::HISTORY_NUM - mScrollIndex - bar_idx;
+		mPrintStats = LLTrace::BlockTimer::HISTORY_NUM - mScrollIndex - bar_idx;
 		return TRUE;
 	}
 	return LLFloater::handleRightMouseDown(x, y, mask);
 }
 
-LLFastTimer::NamedTimer* LLFastTimerView::getLegendID(S32 y)
+LLTrace::BlockTimer* LLFastTimerView::getLegendID(S32 y)
 {
 	S32 idx = (getRect().getHeight() - y) / (LLFontGL::getFontMonospace()->getLineHeight()+2) - 5;
 
@@ -161,7 +159,7 @@ LLFastTimer::NamedTimer* LLFastTimerView::getLegendID(S32 y)
 
 BOOL LLFastTimerView::handleDoubleClick(S32 x, S32 y, MASK mask)
 {
-	for(timer_tree_iterator_t it = begin_timer_tree(LLFastTimer::NamedTimer::getRootNamedTimer());
+	for(timer_tree_iterator_t it = begin_timer_tree(getFrameTimer());
 		it != end_timer_tree();
 		++it)
 	{
@@ -174,7 +172,7 @@ BOOL LLFastTimerView::handleMouseDown(S32 x, S32 y, MASK mask)
 {
 	if (x < mBarRect.mLeft) 
 	{
-		LLFastTimer::NamedTimer* idp = getLegendID(y);
+		LLTrace::BlockTimer* idp = getLegendID(y);
 		if (idp)
 		{
 			idp->setCollapsed(!idp->getCollapsed());
@@ -210,16 +208,7 @@ BOOL LLFastTimerView::handleMouseDown(S32 x, S32 y, MASK mask)
 		gFocusMgr.setMouseCapture(this);
 		return TRUE;
 	}
-	//else
-	//{
-	//	// pause/unpause
-	//	LLFastTimer::sPauseHistory = !LLFastTimer::sPauseHistory;
-	//	// reset scroll to bottom when unpausing
-	//	if (!LLFastTimer::sPauseHistory)
-	//	{
-	//		mScrollIndex = 0;
-	//	}
-	//}
+
 	return LLFloater::handleMouseDown(x, y, mask);
 }
 
@@ -237,16 +226,16 @@ BOOL LLFastTimerView::handleHover(S32 x, S32 y, MASK mask)
 	if (hasMouseCapture())
 	{
 		F32 lerp = llclamp(1.f - (F32) (x - mGraphRect.mLeft) / (F32) mGraphRect.getWidth(), 0.f, 1.f);
-		mScrollIndex = llround( lerp * (F32)(LLFastTimer::NamedTimer::HISTORY_NUM - MAX_VISIBLE_HISTORY));
-		mScrollIndex = llclamp(	mScrollIndex, 0, LLFastTimer::getLastFrameIndex());
+		mScrollIndex = llround( lerp * (F32)(LLTrace::BlockTimer::HISTORY_NUM - MAX_VISIBLE_HISTORY));
+		mScrollIndex = llclamp(	mScrollIndex, 0, LLTrace::BlockTimer::getLastFrameIndex());
 		return TRUE;
 	}
 	mHoverTimer = NULL;
 	mHoverID = NULL;
 
-	if(LLFastTimer::sPauseHistory && mBarRect.pointInRect(x, y))
+	if(LLTrace::BlockTimer::sPauseHistory && mBarRect.pointInRect(x, y))
 	{
-		mHoverBarIndex = llmin(LLFastTimer::getCurFrameIndex() - 1, 
+		mHoverBarIndex = llmin(LLTrace::BlockTimer::getCurFrameIndex() - 1, 
 								MAX_VISIBLE_HISTORY - ((y - mBarRect.mBottom) * (MAX_VISIBLE_HISTORY + 2) / mBarRect.getHeight()));
 		if (mHoverBarIndex == 0)
 		{
@@ -258,7 +247,7 @@ BOOL LLFastTimerView::handleHover(S32 x, S32 y, MASK mask)
 		}
 
 		S32 i = 0;
-		for(timer_tree_iterator_t it = begin_timer_tree(LLFastTimer::NamedTimer::getRootNamedTimer());
+		for(timer_tree_iterator_t it = begin_timer_tree(getFrameTimer());
 			it != end_timer_tree();
 			++it, ++i)
 		{
@@ -290,7 +279,7 @@ BOOL LLFastTimerView::handleHover(S32 x, S32 y, MASK mask)
 	}
 	else if (x < mBarRect.mLeft) 
 	{
-		LLFastTimer::NamedTimer* timer_id = getLegendID(y);
+		LLTrace::BlockTimer* timer_id = getLegendID(y);
 		if (timer_id)
 		{
 			mHoverID = timer_id;
@@ -301,9 +290,26 @@ BOOL LLFastTimerView::handleHover(S32 x, S32 y, MASK mask)
 }
 
 
+static std::string get_tooltip(LLTrace::BlockTimer& timer, S32 history_index = -1)
+{
+	F64 ms_multiplier = 1000.0 / (F64)LLTrace::BlockTimer::countsPerSecond();
+
+	std::string tooltip;
+	if (history_index < 0)
+	{
+		// by default, show average number of call
+		tooltip = llformat("%s (%d ms, %d calls)", timer.getName().c_str(), (S32)(timer.getCountAverage() * ms_multiplier), (S32)timer.getCallAverage());
+	}
+	else
+	{
+		tooltip = llformat("%s (%d ms, %d calls)", timer.getName().c_str(), (S32)(timer.getHistoricalCount(history_index) * ms_multiplier), (S32)timer.getHistoricalCalls(history_index));
+	}
+	return tooltip;
+}
+
 BOOL LLFastTimerView::handleToolTip(S32 x, S32 y, MASK mask)
 {
-	if(LLFastTimer::sPauseHistory && mBarRect.pointInRect(x, y))
+	if(LLTrace::BlockTimer::sPauseHistory && mBarRect.pointInRect(x, y))
 	{
 		// tooltips for timer bars
 		if (mHoverTimer)
@@ -311,8 +317,10 @@ BOOL LLFastTimerView::handleToolTip(S32 x, S32 y, MASK mask)
 			LLRect screen_rect;
 			localRectToScreen(mToolTipRect, &screen_rect);
 
+			std::string tooltip = get_tooltip(*mHoverTimer, LLTrace::BlockTimer::HISTORY_NUM - mScrollIndex - mHoverBarIndex);
+
 			LLToolTipMgr::instance().show(LLToolTip::Params()
-				.message(mHoverTimer->getToolTip(LLFastTimer::NamedTimer::HISTORY_NUM - mScrollIndex - mHoverBarIndex))
+				.message(tooltip)
 				.sticky_rect(screen_rect)
 				.delay_time(0.f));
 
@@ -324,10 +332,10 @@ BOOL LLFastTimerView::handleToolTip(S32 x, S32 y, MASK mask)
 		// tooltips for timer legend
 		if (x < mBarRect.mLeft) 
 		{
-			LLFastTimer::NamedTimer* idp = getLegendID(y);
+			LLTrace::BlockTimer* idp = getLegendID(y);
 			if (idp)
 			{
-				LLToolTipMgr::instance().show(idp->getToolTip());
+				LLToolTipMgr::instance().show(get_tooltip(*idp));
 
 				return TRUE;
 			}
@@ -339,16 +347,16 @@ BOOL LLFastTimerView::handleToolTip(S32 x, S32 y, MASK mask)
 
 BOOL LLFastTimerView::handleScrollWheel(S32 x, S32 y, S32 clicks)
 {
-	LLFastTimer::sPauseHistory = TRUE;
+	LLTrace::BlockTimer::sPauseHistory = TRUE;
 	mScrollIndex = llclamp(	mScrollIndex + clicks,
 							0,
-							llmin(LLFastTimer::getLastFrameIndex(), (S32)LLFastTimer::NamedTimer::HISTORY_NUM - MAX_VISIBLE_HISTORY));
+							llmin(LLTrace::BlockTimer::getLastFrameIndex(), (S32)LLTrace::BlockTimer::HISTORY_NUM - MAX_VISIBLE_HISTORY));
 	return TRUE;
 }
 
-static LLFastTimer::DeclareTimer FTM_RENDER_TIMER("Timers", true);
+static LLTrace::BlockTimer FTM_RENDER_TIMER("Timers", true);
 
-static std::map<LLFastTimer::NamedTimer*, LLColor4> sTimerColors;
+static std::map<LLTrace::BlockTimer*, LLColor4> sTimerColors;
 
 void LLFastTimerView::draw()
 {
@@ -356,7 +364,7 @@ void LLFastTimerView::draw()
 	
 	std::string tdesc;
 
-	F64 clock_freq = (F64)LLFastTimer::countsPerSecond();
+	F64 clock_freq = (F64)LLTrace::BlockTimer::countsPerSecond();
 	F64 iclock_freq = 1000.0 / clock_freq;
 	
 	S32 margin = 10;
@@ -379,12 +387,6 @@ void LLFastTimerView::draw()
 	S32 xleft = margin;
 	S32 ytop = margin;
 	
-	mAverageCyclesPerTimer = LLFastTimer::sTimerCalls == 0 
-		? 0 
-		: llround(lerp((F32)mAverageCyclesPerTimer, (F32)(LLFastTimer::sTimerCycles / (U64)LLFastTimer::sTimerCalls), 0.1f));
-	LLFastTimer::sTimerCycles = 0;
-	LLFastTimer::sTimerCalls = 0;
-
 	// Draw some help
 	{
 		
@@ -392,10 +394,6 @@ void LLFastTimerView::draw()
 		y = height - ytop;
 		texth = (S32)LLFontGL::getFontMonospace()->getLineHeight();
 
-#if TIME_FAST_TIMERS
-		tdesc = llformat("Cycles per timer call: %d", mAverageCyclesPerTimer);
-		LLFontGL::getFontMonospace()->renderUTF8(tdesc, 0, x, y, LLColor4::white, LLFontGL::LEFT, LLFontGL::TOP);
-#else
 		char modedesc[][32] = {
 			"2 x Average ",
 			"Max         ",
@@ -419,11 +417,10 @@ void LLFastTimerView::draw()
 
 		LLFontGL::getFontMonospace()->renderUTF8(std::string("[Right-Click log selected] [ALT-Click toggle counts] [ALT-SHIFT-Click sub hidden]"),
 										 0, x, y, LLColor4::white, LLFontGL::LEFT, LLFontGL::TOP);
-#endif
 		y -= (texth + 2);
 	}
 
-	S32 histmax = llmin(LLFastTimer::getLastFrameIndex()+1, MAX_VISIBLE_HISTORY);
+	S32 histmax = llmin(LLTrace::BlockTimer::getLastFrameIndex()+1, MAX_VISIBLE_HISTORY);
 		
 	// Draw the legend
 	xleft = margin;
@@ -431,15 +428,15 @@ void LLFastTimerView::draw()
 
 	y -= (texth + 2);
 
-	sTimerColors[&LLFastTimer::NamedTimer::getRootNamedTimer()] = LLColor4::grey;
+	sTimerColors[&getFrameTimer()] = LLColor4::grey;
 
 	F32 hue = 0.f;
 
-	for (timer_tree_iterator_t it = begin_timer_tree(LLFastTimer::NamedTimer::getRootNamedTimer());
+	for (timer_tree_iterator_t it = begin_timer_tree(getFrameTimer());
 		it != timer_tree_iterator_t();
 		++it)
 	{
-		LLFastTimer::NamedTimer* idp = (*it);
+		LLTrace::BlockTimer* idp = (*it);
 
 		const F32 HUE_INCREMENT = 0.23f;
 		hue = fmodf(hue + HUE_INCREMENT, 1.f);
@@ -459,12 +456,12 @@ void LLFastTimerView::draw()
 		LLLocalClipRect clip(LLRect(margin, y, LEGEND_WIDTH, margin));
 		S32 cur_line = 0;
 		ft_display_idx.clear();
-		std::map<LLFastTimer::NamedTimer*, S32> display_line;
-		for (timer_tree_iterator_t it = begin_timer_tree(LLFastTimer::NamedTimer::getRootNamedTimer());
+		std::map<LLTrace::BlockTimer*, S32> display_line;
+		for (timer_tree_iterator_t it = begin_timer_tree(getFrameTimer());
 			it != timer_tree_iterator_t();
 			++it)
 		{
-			LLFastTimer::NamedTimer* idp = (*it);
+			LLTrace::BlockTimer* idp = (*it);
 			display_line[idp] = cur_line;
 			ft_display_idx.push_back(idp);
 			cur_line++;
@@ -484,7 +481,7 @@ void LLFastTimerView::draw()
 			S32 calls = 0;
 			if (mHoverBarIndex > 0 && mHoverID)
 			{
-				S32 hidx = LLFastTimer::NamedTimer::HISTORY_NUM - mScrollIndex - mHoverBarIndex;
+				S32 hidx = LLTrace::BlockTimer::HISTORY_NUM - mScrollIndex - mHoverBarIndex;
 				U64 ticks = idp->getHistoricalCount(hidx);
 				ms = (F32)((F64)ticks * iclock_freq);
 				calls = (S32)idp->getHistoricalCalls(hidx);
@@ -522,10 +519,11 @@ void LLFastTimerView::draw()
 
 			x += dx;
 			BOOL is_child_of_hover_item = (idp == mHoverID);
-			LLFastTimer::NamedTimer* next_parent = idp->getParent();
+			LLTrace::BlockTimer* next_parent = idp->getParent();
 			while(!is_child_of_hover_item && next_parent)
 			{
 				is_child_of_hover_item = (mHoverID == next_parent);
+				if (next_parent->getParent() == next_parent) break;
 				next_parent = next_parent->getParent();
 			}
 
@@ -563,18 +561,18 @@ void LLFastTimerView::draw()
 	barw = width - xleft - margin;
 
 	// Draw the history bars
-	if (LLFastTimer::getLastFrameIndex() >= 0)
+	if (LLTrace::BlockTimer::getLastFrameIndex() >= 0)
 	{	
 		LLLocalClipRect clip(LLRect(xleft, ytop, getRect().getWidth() - margin, margin));
 
 		U64 totalticks;
-		if (!LLFastTimer::sPauseHistory)
+		if (!LLTrace::BlockTimer::sPauseHistory)
 		{
-			U64 ticks = LLFastTimer::NamedTimer::getRootNamedTimer().getHistoricalCount(mScrollIndex);
+			U64 ticks = getFrameTimer().getHistoricalCount(mScrollIndex);
 
-			if (LLFastTimer::getCurFrameIndex() >= 10)
+			if (LLTrace::BlockTimer::getCurFrameIndex() >= 10)
 			{
-				U64 framec = LLFastTimer::getCurFrameIndex();
+				U64 framec = LLTrace::BlockTimer::getCurFrameIndex();
 				U64 avg = (U64)mAvgCountTotal;
 				mAvgCountTotal = (avg*framec + ticks) / (framec + 1);
 				if (ticks > mMaxCountTotal)
@@ -585,14 +583,14 @@ void LLFastTimerView::draw()
 
 			if (ticks < mAvgCountTotal/100 || ticks > mAvgCountTotal*100)
 			{
-				LLFastTimer::sResetHistory = true;
+				LLTrace::BlockTimer::sResetHistory = true;
 			}
 
-			if (LLFastTimer::getCurFrameIndex() < 10 || LLFastTimer::sResetHistory)
+			if (LLTrace::BlockTimer::getCurFrameIndex() < 10 || LLTrace::BlockTimer::sResetHistory)
 			{
 				mAvgCountTotal = ticks;
 				mMaxCountTotal = ticks;
-				LLFastTimer::sResetHistory = false;
+				LLTrace::BlockTimer::sResetHistory = false;
 			}
 		}
 
@@ -610,7 +608,7 @@ void LLFastTimerView::draw()
 			totalticks = 0;
 			for (S32 j=0; j<histmax; j++)
 			{
-				U64 ticks = LLFastTimer::NamedTimer::getRootNamedTimer().getHistoricalCount(j);
+				U64 ticks = getFrameTimer().getHistoricalCount(j);
 
 				if (ticks > totalticks)
 					totalticks = ticks;
@@ -699,7 +697,7 @@ void LLFastTimerView::draw()
 			S32 tidx;
 			if (j >= 0)
 			{
-				tidx = LLFastTimer::NamedTimer::HISTORY_NUM - j - 1 - mScrollIndex;
+				tidx = LLTrace::BlockTimer::HISTORY_NUM - j - 1 - mScrollIndex;
 			}
 			else
 			{
@@ -713,14 +711,14 @@ void LLFastTimerView::draw()
 			std::vector<S32> deltax;
 			xpos.push_back(xleft);
 			
-			LLFastTimer::NamedTimer* prev_id = NULL;
+			LLTrace::BlockTimer* prev_id = NULL;
 
 			S32 i = 0;
-			for(timer_tree_iterator_t it = begin_timer_tree(LLFastTimer::NamedTimer::getRootNamedTimer());
+			for(timer_tree_iterator_t it = begin_timer_tree(getFrameTimer());
 				it != end_timer_tree();
 				++it, ++i)
 			{
-				LLFastTimer::NamedTimer* idp = (*it);
+				LLTrace::BlockTimer* idp = (*it);
 				F32 frac = tidx == -1
 					? (F32)idp->getCountAverage() / (F32)totalticks 
 					: (F32)idp->getHistoricalCount(tidx) / (F32)totalticks;
@@ -747,7 +745,7 @@ void LLFastTimerView::draw()
 				{
 					U64 sublevelticks = 0;
 
-					for (LLFastTimer::NamedTimer::child_const_iter it = prev_id->beginChildren();
+					for (LLTrace::BlockTimer::child_const_iter it = prev_id->beginChildren();
 						it != prev_id->endChildren();
 						++it)
 					{
@@ -789,10 +787,11 @@ void LLFastTimerView::draw()
 					S32 scale_offset = 0;
 
 					BOOL is_child_of_hover_item = (idp == mHoverID);
-					LLFastTimer::NamedTimer* next_parent = idp->getParent();
+					LLTrace::BlockTimer* next_parent = idp->getParent();
 					while(!is_child_of_hover_item && next_parent)
 					{
 						is_child_of_hover_item = (mHoverID == next_parent);
+						if (next_parent->getParent() == next_parent) break;
 						next_parent = next_parent->getParent();
 					}
 
@@ -853,10 +852,10 @@ void LLFastTimerView::draw()
 
 			//highlight visible range
 			{
-				S32 first_frame = LLFastTimer::NamedTimer::HISTORY_NUM - mScrollIndex;
+				S32 first_frame = LLTrace::BlockTimer::HISTORY_NUM - mScrollIndex;
 				S32 last_frame = first_frame - MAX_VISIBLE_HISTORY;
 				
-				F32 frame_delta = ((F32) (mGraphRect.getWidth()))/(LLFastTimer::NamedTimer::HISTORY_NUM-1);
+				F32 frame_delta = ((F32) (mGraphRect.getWidth()))/(LLTrace::BlockTimer::HISTORY_NUM-1);
 				
 				F32 right = (F32) mGraphRect.mLeft + frame_delta*first_frame;
 				F32 left = (F32) mGraphRect.mLeft + frame_delta*last_frame;
@@ -879,11 +878,11 @@ void LLFastTimerView::draw()
 			}
 			
 			U64 cur_max = 0;
-			for(timer_tree_iterator_t it = begin_timer_tree(LLFastTimer::NamedTimer::getRootNamedTimer());
+			for(timer_tree_iterator_t it = begin_timer_tree(getFrameTimer());
 				it != end_timer_tree();
 				++it)
 			{
-				LLFastTimer::NamedTimer* idp = (*it);
+				LLTrace::BlockTimer* idp = (*it);
 				
 				//fatten highlighted timer
 				if (mHoverID == idp)
@@ -907,8 +906,8 @@ void LLFastTimerView::draw()
 
 				gGL.color4f(col[0], col[1], col[2], alpha);				
 				gGL.begin(LLRender::TRIANGLE_STRIP);
-				for (U32 j = llmax(0, LLFastTimer::NamedTimer::HISTORY_NUM - LLFastTimer::getLastFrameIndex());
-					j < LLFastTimer::NamedTimer::HISTORY_NUM;
+				for (U32 j = llmax(0, LLTrace::BlockTimer::HISTORY_NUM - LLTrace::BlockTimer::getLastFrameIndex());
+					j < LLTrace::BlockTimer::HISTORY_NUM;
 					j++)
 				{
 					U64 ticks = idp->getHistoricalCount(j);
@@ -929,7 +928,7 @@ void LLFastTimerView::draw()
 						//normalize to highlighted timer
 						cur_max = llmax(cur_max, ticks);
 					}
-					F32 x = mGraphRect.mLeft + ((F32) (mGraphRect.getWidth()))/(LLFastTimer::NamedTimer::HISTORY_NUM-1)*j;
+					F32 x = mGraphRect.mLeft + ((F32) (mGraphRect.getWidth()))/(LLTrace::BlockTimer::HISTORY_NUM-1)*j;
 					F32 y = mGraphRect.mBottom + (F32) mGraphRect.getHeight()/max_ticks*ticks;
 					gGL.vertex2f(x,y);
 					gGL.vertex2f(x,mGraphRect.mBottom);
@@ -980,11 +979,11 @@ void LLFastTimerView::draw()
 	{
 		std::string legend_stat;
 		bool first = true;
-		for(timer_tree_iterator_t it = begin_timer_tree(LLFastTimer::NamedTimer::getRootNamedTimer());
+		for(timer_tree_iterator_t it = begin_timer_tree(getFrameTimer());
 			it != end_timer_tree();
 			++it)
 		{
-			LLFastTimer::NamedTimer* idp = (*it);
+			LLTrace::BlockTimer* idp = (*it);
 
 			if (!first)
 			{
@@ -1002,11 +1001,11 @@ void LLFastTimerView::draw()
 
 		std::string timer_stat;
 		first = true;
-		for(timer_tree_iterator_t it = begin_timer_tree(LLFastTimer::NamedTimer::getRootNamedTimer());
+		for(timer_tree_iterator_t it = begin_timer_tree(getFrameTimer());
 			it != end_timer_tree();
 			++it)
 		{
-			LLFastTimer::NamedTimer* idp = (*it);
+			LLTrace::BlockTimer* idp = (*it);
 
 			if (!first)
 			{
@@ -1044,11 +1043,8 @@ void LLFastTimerView::draw()
 
 F64 LLFastTimerView::getTime(const std::string& name)
 {
-	const LLFastTimer::NamedTimer* timerp = LLFastTimer::getTimerByName(name);
-	if (timerp)
-	{
-		return (F64)timerp->getCountAverage() / (F64)LLFastTimer::countsPerSecond();
-	}
+	//TODO: replace calls to this with use of timer object directly
+	//llstatic_assert(false, "TODO: implement");
 	return 0.0;
 }
 
@@ -1546,13 +1542,13 @@ void LLFastTimerView::outputAllMetrics()
 //static
 void LLFastTimerView::doAnalysis(std::string baseline, std::string target, std::string output)
 {
-	if(LLFastTimer::sLog)
+	if(LLTrace::BlockTimer::sLog)
 	{
 		doAnalysisDefault(baseline, target, output) ;
 		return ;
 	}
 
-	if(LLFastTimer::sMetricLog)
+	if(LLTrace::BlockTimer::sMetricLog)
 	{
 		LLMetricPerformanceTesterBasic::doAnalysisMetrics(baseline, target, output) ;
 		return ;
@@ -1563,3 +1559,9 @@ void	LLFastTimerView::onClickCloseBtn()
 	setVisible(false);
 }
 
+LLTrace::BlockTimer& LLFastTimerView::getFrameTimer()
+{
+	return FTM_FRAME;
+}
+
+
diff --git a/indra/newview/llfasttimerview.h b/indra/newview/llfasttimerview.h
index a349e7ad4c..d7f7f27cd4 100644
--- a/indra/newview/llfasttimerview.h
+++ b/indra/newview/llfasttimerview.h
@@ -46,6 +46,7 @@ private:
 	static LLSD analyzePerformanceLogDefault(std::istream& is) ;
 	static void exportCharts(const std::string& base, const std::string& target);
 	void onPause();
+	LLTrace::BlockTimer& getFrameTimer();
 
 public:
 
@@ -58,7 +59,7 @@ public:
 	virtual BOOL handleScrollWheel(S32 x, S32 y, S32 clicks);
 	virtual void draw();
 
-	LLFastTimer::NamedTimer* getLegendID(S32 y);
+	LLTrace::BlockTimer* getLegendID(S32 y);
 	F64 getTime(const std::string& name);
 
 protected:
@@ -84,13 +85,12 @@ private:
 	U64 mMaxCountTotal;
 	LLRect mBarRect;
 	S32	mScrollIndex;
-	LLFastTimer::NamedTimer* mHoverID;
-	LLFastTimer::NamedTimer* mHoverTimer;
+	LLTrace::BlockTimer* mHoverID;
+	LLTrace::BlockTimer* mHoverTimer;
 	LLRect					mToolTipRect;
 	S32 mHoverBarIndex;
 	LLFrameTimer mHighlightTimer;
 	S32 mPrintStats;
-	S32 mAverageCyclesPerTimer;
 	LLRect mGraphRect;
 };
 
diff --git a/indra/newview/llflexibleobject.cpp b/indra/newview/llflexibleobject.cpp
index f5bf900d0d..5f4a84b6f1 100644
--- a/indra/newview/llflexibleobject.cpp
+++ b/indra/newview/llflexibleobject.cpp
@@ -48,7 +48,7 @@ std::vector<LLVolumeImplFlexible*> LLVolumeImplFlexible::sInstanceList;
 std::vector<S32> LLVolumeImplFlexible::sUpdateDelay;
 
 static LLFastTimer::DeclareTimer FTM_FLEXIBLE_REBUILD("Rebuild");
-static LLFastTimer::DeclareTimer FTM_DO_FLEXIBLE_UPDATE("Update");
+static LLFastTimer::DeclareTimer FTM_DO_FLEXIBLE_UPDATE("Flexible Update");
 
 // LLFlexibleObjectData::pack/unpack now in llprimitive.cpp
 
@@ -377,7 +377,7 @@ void LLVolumeImplFlexible::doIdleUpdate()
 				if	(visible)
 				{
 					if (!drawablep->isState(LLDrawable::IN_REBUILD_Q1) &&
-					mVO->getPixelArea() > 256.f)
+						pixel_area > 256.f)
 					{
 						U32 id;
 				
@@ -444,7 +444,7 @@ void LLVolumeImplFlexible::doFlexibleUpdate()
 		//the object is not visible
 		return ;
 	}
-
+	
 	// stinson 11/12/2012: Need to check with davep on the following.
 	// Skipping the flexible update if render res is negative.  If we were to continue with a negative value,
 	// the subsequent S32 num_render_sections = 1<<mRenderRes; code will specify a really large number of
diff --git a/indra/newview/llfloaterabout.cpp b/indra/newview/llfloaterabout.cpp
index 83fb887d81..58701ca3c9 100644
--- a/indra/newview/llfloaterabout.cpp
+++ b/indra/newview/llfloaterabout.cpp
@@ -296,7 +296,8 @@ LLSD LLFloaterAbout::getInfo()
 
 	if (gPacketsIn > 0)
 	{
-		info["PACKETS_LOST"] = LLViewerStats::getInstance()->mPacketsLostStat.getCurrent();
+		LLTrace::Recording cur_frame = LLTrace::get_frame_recording().snapshotCurRecordingPeriod();
+		info["PACKETS_LOST"] = cur_frame.getSum(LLStatViewer::PACKETS_LOST);
 		info["PACKETS_IN"] = F32(gPacketsIn);
 		info["PACKETS_PCT"] = 100.f*info["PACKETS_LOST"].asReal() / info["PACKETS_IN"].asReal();
 	}
diff --git a/indra/newview/llfloaterbulkpermission.cpp b/indra/newview/llfloaterbulkpermission.cpp
index 90f40628a8..39b6e465f3 100644
--- a/indra/newview/llfloaterbulkpermission.cpp
+++ b/indra/newview/llfloaterbulkpermission.cpp
@@ -336,8 +336,6 @@ void LLFloaterBulkPermission::handleInventory(LLViewerObject* viewer_obj, LLInve
 
 void LLFloaterBulkPermission::updateInventory(LLViewerObject* object, LLViewerInventoryItem* item, U8 key, bool is_new)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-	
 	// This slices the object into what we're concerned about on the viewer. 
 	// The simulator will take the permissions and transfer ownership.
 	LLPointer<LLViewerInventoryItem> task_item =
diff --git a/indra/newview/llfloatercamera.cpp b/indra/newview/llfloatercamera.cpp
index 21b58d3e3d..c85d048c5a 100644
--- a/indra/newview/llfloatercamera.cpp
+++ b/indra/newview/llfloatercamera.cpp
@@ -330,6 +330,10 @@ void LLFloaterCamera::onClose(bool app_quitting)
 	//We don't care of camera mode if app is quitting
 	if(app_quitting)
 		return;
+	// It is necessary to reset mCurrMode to CAMERA_CTRL_MODE_PAN so 
+	// to avoid seeing an empty floater when reopening the control.
+	if (mCurrMode == CAMERA_CTRL_MODE_FREE_CAMERA)
+		mCurrMode = CAMERA_CTRL_MODE_PAN;
 	// When mCurrMode is in CAMERA_CTRL_MODE_PAN
 	// switchMode won't modify mPrevMode, so force it here.
 	// It is needed to correctly return to previous mode on open, see EXT-2727.
diff --git a/indra/newview/llfloaterjoystick.cpp b/indra/newview/llfloaterjoystick.cpp
index c37798c330..e2813a8272 100644
--- a/indra/newview/llfloaterjoystick.cpp
+++ b/indra/newview/llfloaterjoystick.cpp
@@ -33,6 +33,7 @@
 #include "llerror.h"
 #include "llrect.h"
 #include "llstring.h"
+#include "lltrace.h"
 
 // project includes
 #include "lluictrlfactory.h"
@@ -41,6 +42,16 @@
 #include "llviewerjoystick.h"
 #include "llcheckboxctrl.h"
 
+static LLTrace::Measurement<> sJoystickAxes[6] = 
+{
+	LLTrace::Measurement<>("Joystick axis 1"),
+	LLTrace::Measurement<>("Joystick axis 2"),
+	LLTrace::Measurement<>("Joystick axis 3"),
+	LLTrace::Measurement<>("Joystick axis 4"),
+	LLTrace::Measurement<>("Joystick axis 5"),
+	LLTrace::Measurement<>("Joystick axis 6")
+};
+
 LLFloaterJoystick::LLFloaterJoystick(const LLSD& data)
 	: LLFloater(data)
 {
@@ -60,7 +71,7 @@ void LLFloaterJoystick::draw()
 	for (U32 i = 0; i < 6; i++)
 	{
 		F32 value = joystick->getJoystickAxis(i);
-		mAxisStats[i]->addValue(value * gFrameIntervalSeconds);
+		sJoystickAxes[i].sample(value * gFrameIntervalSeconds.value());
 		if (mAxisStatsBar[i])
 		{
 			F32 minbar, maxbar;
@@ -83,12 +94,12 @@ BOOL LLFloaterJoystick::postBuild()
 
 	for (U32 i = 0; i < 6; i++)
 	{
-		mAxisStats[i] = new LLStat(4);
+		std::string stat_name(llformat("Joystick axis %d", i));
 		std::string axisname = llformat("axis%d", i);
 		mAxisStatsBar[i] = getChild<LLStatBar>(axisname);
 		if (mAxisStatsBar[i])
 		{
-			mAxisStatsBar[i]->setStat(mAxisStats[i]);
+			mAxisStatsBar[i]->setStat(stat_name);
 			mAxisStatsBar[i]->setRange(-range, range, range * 0.25f, range * 0.5f);
 		}
 	}
diff --git a/indra/newview/llfloaterjoystick.h b/indra/newview/llfloaterjoystick.h
index dfdb108ff8..9c3752540d 100644
--- a/indra/newview/llfloaterjoystick.h
+++ b/indra/newview/llfloaterjoystick.h
@@ -84,7 +84,6 @@ private:
 	LLCheckBoxCtrl	*mCheckFlycamEnabled;
 
 	// stats view 
-	LLStat* mAxisStats[6];
 	LLStatBar* mAxisStatsBar[6];
 };
 
diff --git a/indra/newview/llfloaterlagmeter.cpp b/indra/newview/llfloaterlagmeter.cpp
deleted file mode 100644
index 68b1770bb2..0000000000
--- a/indra/newview/llfloaterlagmeter.cpp
+++ /dev/null
@@ -1,375 +0,0 @@
-/** 
- * @file llfloaterlagmeter.cpp
- * @brief The "Lag-o-Meter" floater used to tell users what is causing lag.
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "llviewerprecompiledheaders.h"
-
-#include "llfloaterlagmeter.h"
-
-#include "lluictrlfactory.h"
-#include "llviewerstats.h"
-#include "llviewertexture.h"
-#include "llviewercontrol.h"
-#include "llappviewer.h"
-
-#include "lltexturefetch.h"
-
-#include "llbutton.h"
-#include "llfocusmgr.h"
-#include "lltextbox.h"
-
-const std::string LAG_CRITICAL_IMAGE_NAME = "lag_status_critical.tga";
-const std::string LAG_WARNING_IMAGE_NAME  = "lag_status_warning.tga";
-const std::string LAG_GOOD_IMAGE_NAME     = "lag_status_good.tga";
-
-LLFloaterLagMeter::LLFloaterLagMeter(const LLSD& key)
-	:	LLFloater(key)
-{
-	mCommitCallbackRegistrar.add("LagMeter.ClickShrink",  boost::bind(&LLFloaterLagMeter::onClickShrink, this));	
-}
-
-BOOL LLFloaterLagMeter::postBuild()
-{
-	// Don't let this window take keyboard focus -- it's confusing to
-	// lose arrow-key driving when testing lag.
-	setIsChrome(TRUE);
-	
-	// were we shrunk last time?
-	if (isShrunk())
-	{
-		onClickShrink();
-	}
-	
-	mClientButton = getChild<LLButton>("client_lagmeter");
-	mClientText = getChild<LLTextBox>("client_text");
-	mClientCause = getChild<LLTextBox>("client_lag_cause");
-
-	mNetworkButton = getChild<LLButton>("network_lagmeter");
-	mNetworkText = getChild<LLTextBox>("network_text");
-	mNetworkCause = getChild<LLTextBox>("network_lag_cause");
-
-	mServerButton = getChild<LLButton>("server_lagmeter");
-	mServerText = getChild<LLTextBox>("server_text");
-	mServerCause = getChild<LLTextBox>("server_lag_cause");
-
-	std::string config_string = getString("client_frame_rate_critical_fps", mStringArgs);
-	mClientFrameTimeCritical = 1.0f / (float)atof( config_string.c_str() );
-	config_string = getString("client_frame_rate_warning_fps", mStringArgs);
-	mClientFrameTimeWarning = 1.0f / (float)atof( config_string.c_str() );
-
-	config_string = getString("network_packet_loss_critical_pct", mStringArgs);
-	mNetworkPacketLossCritical = (float)atof( config_string.c_str() );
-	config_string = getString("network_packet_loss_warning_pct", mStringArgs);
-	mNetworkPacketLossWarning = (float)atof( config_string.c_str() );
-
-	config_string = getString("network_ping_critical_ms", mStringArgs);
-	mNetworkPingCritical = (float)atof( config_string.c_str() );
-	config_string = getString("network_ping_warning_ms", mStringArgs);
-	mNetworkPingWarning = (float)atof( config_string.c_str() );
-	config_string = getString("server_frame_rate_critical_fps", mStringArgs);
-
-	mServerFrameTimeCritical = 1000.0f / (float)atof( config_string.c_str() );
-	config_string = getString("server_frame_rate_warning_fps", mStringArgs);
-	mServerFrameTimeWarning = 1000.0f / (float)atof( config_string.c_str() );
-	config_string = getString("server_single_process_max_time_ms", mStringArgs);
-	mServerSingleProcessMaxTime = (float)atof( config_string.c_str() );
-
-//	mShrunk = false;
-	config_string = getString("max_width_px", mStringArgs);
-	mMaxWidth = atoi( config_string.c_str() );
-	config_string = getString("min_width_px", mStringArgs);
-	mMinWidth = atoi( config_string.c_str() );
-
-	mStringArgs["[CLIENT_FRAME_RATE_CRITICAL]"] = getString("client_frame_rate_critical_fps");
-	mStringArgs["[CLIENT_FRAME_RATE_WARNING]"] = getString("client_frame_rate_warning_fps");
-
-	mStringArgs["[NETWORK_PACKET_LOSS_CRITICAL]"] = getString("network_packet_loss_critical_pct");
-	mStringArgs["[NETWORK_PACKET_LOSS_WARNING]"] = getString("network_packet_loss_warning_pct");
-
-	mStringArgs["[NETWORK_PING_CRITICAL]"] = getString("network_ping_critical_ms");
-	mStringArgs["[NETWORK_PING_WARNING]"] = getString("network_ping_warning_ms");
-
-	mStringArgs["[SERVER_FRAME_RATE_CRITICAL]"] = getString("server_frame_rate_critical_fps");
-	mStringArgs["[SERVER_FRAME_RATE_WARNING]"] = getString("server_frame_rate_warning_fps");
-
-//	childSetAction("minimize", onClickShrink, this);
-	updateControls(isShrunk()); // if expanded append colon to the labels (EXT-4079)
-
-	return TRUE;
-}
-LLFloaterLagMeter::~LLFloaterLagMeter()
-{
-	// save shrunk status for next time
-//	gSavedSettings.setBOOL("LagMeterShrunk", mShrunk);
-	// expand so we save the large window rectangle
-	if (isShrunk())
-	{
-		onClickShrink();
-	}
-}
-
-void LLFloaterLagMeter::draw()
-{
-	determineClient();
-	determineNetwork();
-	determineServer();
-
-	LLFloater::draw();
-}
-
-void LLFloaterLagMeter::determineClient()
-{
-	F32 client_frame_time = LLViewerStats::getInstance()->mFPSStat.getMeanDuration();
-	bool find_cause = false;
-
-	if (!gFocusMgr.getAppHasFocus())
-	{
-		mClientButton->setImageUnselected(LLUI::getUIImage(LAG_GOOD_IMAGE_NAME));
-		mClientText->setText( getString("client_frame_time_window_bg_msg", mStringArgs) );
-		mClientCause->setText( LLStringUtil::null );
-	}
-	else if(client_frame_time >= mClientFrameTimeCritical)
-	{
-		mClientButton->setImageUnselected(LLUI::getUIImage(LAG_CRITICAL_IMAGE_NAME));
-		mClientText->setText( getString("client_frame_time_critical_msg", mStringArgs) );
-		find_cause = true;
-	}
-	else if(client_frame_time >= mClientFrameTimeWarning)
-	{
-		mClientButton->setImageUnselected(LLUI::getUIImage(LAG_WARNING_IMAGE_NAME));
-		mClientText->setText( getString("client_frame_time_warning_msg", mStringArgs) );
-		find_cause = true;
-	}
-	else
-	{
-		mClientButton->setImageUnselected(LLUI::getUIImage(LAG_GOOD_IMAGE_NAME));
-		mClientText->setText( getString("client_frame_time_normal_msg", mStringArgs) );
-		mClientCause->setText( LLStringUtil::null );
-	}	
-
-	if(find_cause)
-	{
-		if(gSavedSettings.getF32("RenderFarClip") > 128)
-		{
-			mClientCause->setText( getString("client_draw_distance_cause_msg", mStringArgs) );
-		}
-		else if(LLAppViewer::instance()->getTextureFetch()->getNumRequests() > 2)
-		{
-			mClientCause->setText( getString("client_texture_loading_cause_msg", mStringArgs) );
-		}
-		else if((BYTES_TO_MEGA_BYTES(LLViewerTexture::sBoundTextureMemoryInBytes)) > LLViewerTexture::sMaxBoundTextureMemInMegaBytes)
-		{
-			mClientCause->setText( getString("client_texture_memory_cause_msg", mStringArgs) );
-		}
-		else 
-		{
-			mClientCause->setText( getString("client_complex_objects_cause_msg", mStringArgs) );
-		}
-	}
-}
-
-void LLFloaterLagMeter::determineNetwork()
-{
-	F32 packet_loss = LLViewerStats::getInstance()->mPacketsLostPercentStat.getMean();
-	F32 ping_time = LLViewerStats::getInstance()->mSimPingStat.getMean();
-	bool find_cause_loss = false;
-	bool find_cause_ping = false;
-
-	// *FIXME: We can't blame a large ping time on anything in
-	// particular if the frame rate is low, because a low frame
-	// rate is a sure recipe for bad ping times right now until
-	// the network handlers are de-synched from the rendering.
-	F32 client_frame_time_ms = 1000.0f * LLViewerStats::getInstance()->mFPSStat.getMeanDuration();
-	
-	if(packet_loss >= mNetworkPacketLossCritical)
-	{
-		mNetworkButton->setImageUnselected(LLUI::getUIImage(LAG_CRITICAL_IMAGE_NAME));
-		mNetworkText->setText( getString("network_packet_loss_critical_msg", mStringArgs) );
-		find_cause_loss = true;
-	}
-	else if(ping_time >= mNetworkPingCritical)
-	{
-		mNetworkButton->setImageUnselected(LLUI::getUIImage(LAG_CRITICAL_IMAGE_NAME));
-		if (client_frame_time_ms < mNetworkPingCritical)
-		{
-			mNetworkText->setText( getString("network_ping_critical_msg", mStringArgs) );
-			find_cause_ping = true;
-		}
-	}
-	else if(packet_loss >= mNetworkPacketLossWarning)
-	{
-		mNetworkButton->setImageUnselected(LLUI::getUIImage(LAG_WARNING_IMAGE_NAME));
-		mNetworkText->setText( getString("network_packet_loss_warning_msg", mStringArgs) );
-		find_cause_loss = true;
-	}
-	else if(ping_time >= mNetworkPingWarning)
-	{
-		mNetworkButton->setImageUnselected(LLUI::getUIImage(LAG_WARNING_IMAGE_NAME));
-		if (client_frame_time_ms < mNetworkPingWarning)
-		{
-			mNetworkText->setText( getString("network_ping_warning_msg", mStringArgs) );
-			find_cause_ping = true;
-		}
-	}
-	else
-	{
-		mNetworkButton->setImageUnselected(LLUI::getUIImage(LAG_GOOD_IMAGE_NAME));
-		mNetworkText->setText( getString("network_performance_normal_msg", mStringArgs) );
-	}
-
-	if(find_cause_loss)
- 	{
-		mNetworkCause->setText( getString("network_packet_loss_cause_msg", mStringArgs) );
- 	}
-	else if(find_cause_ping)
-	{
-		mNetworkCause->setText( getString("network_ping_cause_msg", mStringArgs) );
-	}
-	else
-	{
-		mNetworkCause->setText( LLStringUtil::null );
-	}
-}
-
-void LLFloaterLagMeter::determineServer()
-{
-	F32 sim_frame_time = LLViewerStats::getInstance()->mSimFrameMsec.getCurrent();
-	bool find_cause = false;
-
-	if(sim_frame_time >= mServerFrameTimeCritical)
-	{
-		mServerButton->setImageUnselected(LLUI::getUIImage(LAG_CRITICAL_IMAGE_NAME));
-		mServerText->setText( getString("server_frame_time_critical_msg", mStringArgs) );
-		find_cause = true;
-	}
-	else if(sim_frame_time >= mServerFrameTimeWarning)
-	{
-		mServerButton->setImageUnselected(LLUI::getUIImage(LAG_WARNING_IMAGE_NAME));
-		mServerText->setText( getString("server_frame_time_warning_msg", mStringArgs) );
-		find_cause = true;
-	}
-	else
-	{
-		mServerButton->setImageUnselected(LLUI::getUIImage(LAG_GOOD_IMAGE_NAME));
-		mServerText->setText( getString("server_frame_time_normal_msg", mStringArgs) );
-		mServerCause->setText( LLStringUtil::null );
-	}	
-
-	if(find_cause)
-	{
-		if(LLViewerStats::getInstance()->mSimSimPhysicsMsec.getCurrent() > mServerSingleProcessMaxTime)
-		{
-			mServerCause->setText( getString("server_physics_cause_msg", mStringArgs) );
-		}
-		else if(LLViewerStats::getInstance()->mSimScriptMsec.getCurrent() > mServerSingleProcessMaxTime)
-		{
-			mServerCause->setText( getString("server_scripts_cause_msg", mStringArgs) );
-		}
-		else if(LLViewerStats::getInstance()->mSimNetMsec.getCurrent() > mServerSingleProcessMaxTime)
-		{
-			mServerCause->setText( getString("server_net_cause_msg", mStringArgs) );
-		}
-		else if(LLViewerStats::getInstance()->mSimAgentMsec.getCurrent() > mServerSingleProcessMaxTime)
-		{
-			mServerCause->setText( getString("server_agent_cause_msg", mStringArgs) );
-		}
-		else if(LLViewerStats::getInstance()->mSimImagesMsec.getCurrent() > mServerSingleProcessMaxTime)
-		{
-			mServerCause->setText( getString("server_images_cause_msg", mStringArgs) );
-		}
-		else
-		{
-			mServerCause->setText( getString("server_generic_cause_msg", mStringArgs) );
-		}
-	}
-}
-
-void LLFloaterLagMeter::updateControls(bool shrink)
-{
-//	LLFloaterLagMeter * self = (LLFloaterLagMeter*)data;
-
-	LLButton * button = getChild<LLButton>("minimize");
-	S32 delta_width = mMaxWidth -mMinWidth;
-	LLRect r = getRect();
-
-	if(!shrink)
-	{
-		setTitle(getString("max_title_msg", mStringArgs) );
-		// make left edge appear to expand
-		r.translate(-delta_width, 0);
-		setRect(r);
-		reshape(mMaxWidth, getRect().getHeight());
-		
-		getChild<LLUICtrl>("client")->setValue(getString("client_text_msg", mStringArgs) + ":");
-		getChild<LLUICtrl>("network")->setValue(getString("network_text_msg",mStringArgs) + ":");
-		getChild<LLUICtrl>("server")->setValue(getString("server_text_msg", mStringArgs) + ":");
-
-		// usually "<<"
-		button->setLabel( getString("smaller_label", mStringArgs) );
-	}
-	else
-	{
-		setTitle( getString("min_title_msg", mStringArgs) );
-		// make left edge appear to collapse
-		r.translate(delta_width, 0);
-		setRect(r);
-		reshape(mMinWidth, getRect().getHeight());
-		
-		getChild<LLUICtrl>("client")->setValue(getString("client_text_msg", mStringArgs) );
-		getChild<LLUICtrl>("network")->setValue(getString("network_text_msg",mStringArgs) );
-		getChild<LLUICtrl>("server")->setValue(getString("server_text_msg", mStringArgs) );
-
-		// usually ">>"
-		button->setLabel( getString("bigger_label", mStringArgs) );
-	}
-	// Don't put keyboard focus on the button
-	button->setFocus(FALSE);
-
-//	self->mClientText->setVisible(self->mShrunk);
-//	self->mClientCause->setVisible(self->mShrunk);
-//	self->getChildView("client_help")->setVisible( self->mShrunk);
-
-//	self->mNetworkText->setVisible(self->mShrunk);
-//	self->mNetworkCause->setVisible(self->mShrunk);
-//	self->getChildView("network_help")->setVisible( self->mShrunk);
-
-//	self->mServerText->setVisible(self->mShrunk);
-//	self->mServerCause->setVisible(self->mShrunk);
-//	self->getChildView("server_help")->setVisible( self->mShrunk);
-
-//	self->mShrunk = !self->mShrunk;
-}
-
-BOOL LLFloaterLagMeter::isShrunk()
-{
-	return gSavedSettings.getBOOL("LagMeterShrunk");
-}
-
-void LLFloaterLagMeter::onClickShrink()  // toggle "LagMeterShrunk"
-{
-	bool shrunk = isShrunk();
-	updateControls(!shrunk);
-	gSavedSettings.setBOOL("LagMeterShrunk", !shrunk);
-}
diff --git a/indra/newview/llfloaterlagmeter.h b/indra/newview/llfloaterlagmeter.h
deleted file mode 100644
index eef6955601..0000000000
--- a/indra/newview/llfloaterlagmeter.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/** 
- * @file llfloaterlagmeter.h
- * @brief The "Lag-o-Meter" floater used to tell users what is causing lag.
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LLFLOATERLAGMETER_H
-#define LLFLOATERLAGMETER_H
-
-#include "llfloater.h"
-
-class LLTextBox;
-
-class LLFloaterLagMeter : public LLFloater
-{
-	friend class LLFloaterReg;
-	
-public:
-	/*virtual*/ void draw();
-	/*virtual*/ BOOL postBuild();	
-private:
-	
-	LLFloaterLagMeter(const LLSD& key);
-	/*virtual*/ ~LLFloaterLagMeter();
-	void determineClient();
-	void determineNetwork();
-	void determineServer();
-	void updateControls(bool shrink);
-	BOOL isShrunk();
-
-	void onClickShrink();
-
-	bool mShrunk;
-	S32 mMaxWidth, mMinWidth;
-
-	F32 mClientFrameTimeCritical;
-	F32 mClientFrameTimeWarning;
-	LLButton * mClientButton;
-	LLTextBox * mClientText;
-	LLTextBox * mClientCause;
-
-	F32 mNetworkPacketLossCritical;
-	F32 mNetworkPacketLossWarning;
-	F32 mNetworkPingCritical;
-	F32 mNetworkPingWarning;
-	LLButton * mNetworkButton;
-	LLTextBox * mNetworkText;
-	LLTextBox * mNetworkCause;
-
-	F32 mServerFrameTimeCritical;
-	F32 mServerFrameTimeWarning;
-	F32 mServerSingleProcessMaxTime;
-	LLButton * mServerButton;
-	LLTextBox * mServerText;
-	LLTextBox * mServerCause;
-
-	LLStringUtil::format_map_t mStringArgs;
-};
-
-#endif
diff --git a/indra/newview/llfloaterland.cpp b/indra/newview/llfloaterland.cpp
index 55f3d548ec..be743d57d2 100644
--- a/indra/newview/llfloaterland.cpp
+++ b/indra/newview/llfloaterland.cpp
@@ -783,8 +783,9 @@ void LLPanelLandGeneral::refresh()
 			mBtnReleaseLand->setEnabled( can_release );
 		}
 
-		BOOL use_pass = parcel->getParcelFlag(PF_USE_PASS_LIST) && !LLViewerParcelMgr::getInstance()->isCollisionBanned();;
+		BOOL use_pass = parcel->getOwnerID()!= gAgent.getID() && parcel->getParcelFlag(PF_USE_PASS_LIST) && !LLViewerParcelMgr::getInstance()->isCollisionBanned();;
 		mBtnBuyPass->setEnabled(use_pass);
+
 	}
 }
 
diff --git a/indra/newview/llfloatermap.cpp b/indra/newview/llfloatermap.cpp
index a65e9e911a..473e2938be 100644
--- a/indra/newview/llfloatermap.cpp
+++ b/indra/newview/llfloatermap.cpp
@@ -122,16 +122,13 @@ BOOL LLFloaterMap::handleDoubleClick(S32 x, S32 y, MASK mask)
 
 	LLVector3d pos_global = mMap->viewPosToGlobal(x, y);
 	
-	// If we're not tracking a beacon already, double-click will set one 
-	if (!LLTracker::isTracking(NULL))
+	LLTracker::stopTracking(NULL);
+	LLFloaterWorldMap* world_map = LLFloaterWorldMap::getInstance();
+	if (world_map)
 	{
-		LLFloaterWorldMap* world_map = LLFloaterWorldMap::getInstance();
-		if (world_map)
-		{
-			world_map->trackLocation(pos_global);
-		}
+		world_map->trackLocation(pos_global);
 	}
-	
+
 	if (gSavedSettings.getBOOL("DoubleClickTeleport"))
 	{
 		// If DoubleClickTeleport is on, double clicking the minimap will teleport there
@@ -249,3 +246,8 @@ void LLFloaterMap::handleZoom(const LLSD& userdata)
 		mMap->setScale(scale);
 	}
 }
+
+LLFloaterMap* LLFloaterMap::getInstance()
+{
+	return LLFloaterReg::getTypedInstance<LLFloaterMap>("mini_map");
+}
diff --git a/indra/newview/llfloatermap.h b/indra/newview/llfloatermap.h
index 8a1b965e62..ff2fb20535 100644
--- a/indra/newview/llfloatermap.h
+++ b/indra/newview/llfloatermap.h
@@ -39,6 +39,7 @@ class LLFloaterMap : public LLFloater
 {
 public:
 	LLFloaterMap(const LLSD& key);
+	static LLFloaterMap* getInstance();
 	virtual ~LLFloaterMap();
 	
 	/*virtual*/ BOOL 	postBuild();
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index a071f338ba..a5e3cd404d 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -113,8 +113,6 @@
 #include "llviewernetwork.h"
 #include "llviewershadermgr.h"
 #include "glod/glod.h"
-#include <boost/algorithm/string.hpp>
-
 
 const S32 SLM_SUPPORTED_VERSION = 3;
 
diff --git a/indra/newview/llfloaterregioninfo.cpp b/indra/newview/llfloaterregioninfo.cpp
index fe29bb38c7..6cce013105 100644
--- a/indra/newview/llfloaterregioninfo.cpp
+++ b/indra/newview/llfloaterregioninfo.cpp
@@ -2491,8 +2491,6 @@ void LLPanelEstateCovenant::onLoadComplete(LLVFS *vfs,
 		}
 		else
 		{
-			LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
-
 			if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status ||
 				LL_ERR_FILE_EMPTY == status)
 			{
diff --git a/indra/newview/llfloatersnapshot.cpp b/indra/newview/llfloatersnapshot.cpp
index d8d62e5bbb..0d90037e7b 100644
--- a/indra/newview/llfloatersnapshot.cpp
+++ b/indra/newview/llfloatersnapshot.cpp
@@ -992,7 +992,7 @@ void LLSnapshotLivePreview::saveTexture()
 		llwarns << "Error encoding snapshot" << llendl;
 	}
 
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_SNAPSHOT_COUNT );
+	LLStatViewer::SNAPSHOT.add(1);
 	
 	mDataSize = 0;
 }
diff --git a/indra/newview/llgesturemgr.cpp b/indra/newview/llgesturemgr.cpp
index 66ca76bfb0..27a29d3ace 100644
--- a/indra/newview/llgesturemgr.cpp
+++ b/indra/newview/llgesturemgr.cpp
@@ -1137,8 +1137,6 @@ void LLGestureMgr::onLoadComplete(LLVFS *vfs,
 	}
 	else
 	{
-		LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
-
 		if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status ||
 			LL_ERR_FILE_EMPTY == status)
 		{
diff --git a/indra/newview/llhudnametag.cpp b/indra/newview/llhudnametag.cpp
index 482294c8a6..56fbdb429a 100644
--- a/indra/newview/llhudnametag.cpp
+++ b/indra/newview/llhudnametag.cpp
@@ -30,6 +30,7 @@
 #include "llhudnametag.h"
 
 #include "llrender.h"
+#include "lltracerecording.h"
 
 #include "llagent.h"
 #include "llviewercontrol.h"
@@ -899,8 +900,8 @@ void LLHUDNameTag::updateAll()
 //		}
 	}
 
-	LLStat* camera_vel_stat = LLViewerCamera::getInstance()->getVelocityStat();
-	F32 camera_vel = camera_vel_stat->getCurrent();
+	LLTrace::Count<>* camera_vel_stat = LLViewerCamera::getVelocityStat();
+	F32 camera_vel = LLTrace::get_frame_recording().getLastRecordingPeriod().getPerSec(*camera_vel_stat);
 	if (camera_vel > MAX_STABLE_CAMERA_VELOCITY)
 	{
 		return;
diff --git a/indra/newview/llinventorybridge.cpp b/indra/newview/llinventorybridge.cpp
index 14a228df1c..87b900da62 100644
--- a/indra/newview/llinventorybridge.cpp
+++ b/indra/newview/llinventorybridge.cpp
@@ -2588,12 +2588,12 @@ void LLRightClickInventoryFetchDescendentsObserver::execute(bool clear_observer)
 		{			
 			cat_count = cat_array->count();
 		}
-
+	
 		// Move to next if current folder empty
 		if ((item_count == 0) && (cat_count == 0))
-		{
+	{
 			continue;
-		}
+	}
 
 		uuid_vec_t ids;
 		LLRightClickInventoryFetchObserver* outfit = NULL;
@@ -3214,6 +3214,7 @@ void LLFolderBridge::buildContextMenuBaseOptions(U32 flags)
 
 	const LLUUID trash_id = model->findCategoryUUIDForType(LLFolderType::FT_TRASH);
 	const LLUUID lost_and_found_id = model->findCategoryUUIDForType(LLFolderType::FT_LOST_AND_FOUND);
+	const LLUUID favorites = model->findCategoryUUIDForType(LLFolderType::FT_FAVORITE);
 
 	if (lost_and_found_id == mUUID)
 	{
@@ -3227,7 +3228,10 @@ void LLFolderBridge::buildContextMenuBaseOptions(U32 flags)
 		mDisabledItems.push_back(std::string("New Clothes"));
 		mDisabledItems.push_back(std::string("New Body Parts"));
 	}
-
+	if (favorites == mUUID)
+	{
+		mDisabledItems.push_back(std::string("New Folder"));
+	}
 	if(trash_id == mUUID)
 	{
 		// This is the trash.
@@ -4667,6 +4671,10 @@ void LLCallingCardBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
 		{
 			disabled_items.push_back(std::string("Share"));
 		}
+		if ((flags & FIRST_SELECTED_ITEM) == 0)
+		{
+		disabled_items.push_back(std::string("Open"));
+		}
 		addOpenRightClickMenuOption(items);
 		items.push_back(std::string("Properties"));
 
@@ -5633,7 +5641,8 @@ void LLWearableBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
 
 		items.push_back(std::string("Wearable Edit"));
 
-		if ((flags & FIRST_SELECTED_ITEM) == 0)
+		bool modifiable = !gAgentWearables.isWearableModifiable(item->getUUID());
+		if (((flags & FIRST_SELECTED_ITEM) == 0) || modifiable)
 		{
 			disabled_items.push_back(std::string("Wearable Edit"));
 		}
diff --git a/indra/newview/llinventoryfunctions.cpp b/indra/newview/llinventoryfunctions.cpp
index e98d3f88a6..68732024de 100644
--- a/indra/newview/llinventoryfunctions.cpp
+++ b/indra/newview/llinventoryfunctions.cpp
@@ -959,7 +959,6 @@ void LLSaveFolderState::setApply(BOOL apply)
 
 void LLSaveFolderState::doFolder(LLFolderViewFolder* folder)
 {
-	LLMemType mt(LLMemType::MTYPE_INVENTORY_DO_FOLDER);
 	LLInvFVBridge* bridge = (LLInvFVBridge*)folder->getListener();
 	if(!bridge) return;
 	
diff --git a/indra/newview/llinventorypanel.cpp b/indra/newview/llinventorypanel.cpp
index 05c81957c6..4c10717ce8 100644
--- a/indra/newview/llinventorypanel.cpp
+++ b/indra/newview/llinventorypanel.cpp
@@ -44,6 +44,7 @@
 #include "llinventoryfunctions.h"
 #include "llinventorymodelbackgroundfetch.h"
 #include "llsidepanelinventory.h"
+#include "lltrans.h"
 #include "llviewerattachmenu.h"
 #include "llviewerfoldertype.h"
 #include "llvoavatarself.h"
@@ -191,8 +192,6 @@ void LLInventoryPanel::buildFolderView(const LLInventoryPanel::Params& params)
 
 void LLInventoryPanel::initFromParams(const LLInventoryPanel::Params& params)
 {
-	LLMemType mt(LLMemType::MTYPE_INVENTORY_POST_BUILD);
-
 	mCommitCallbackRegistrar.pushScope(); // registered as a widget; need to push callback scope ourselves
 	
 	buildFolderView(params);
@@ -397,9 +396,10 @@ LLInventoryFilter::EFolderShow LLInventoryPanel::getShowFolderState()
 	return getFilter()->getShowFolderState();
 }
 
+static LLFastTimer::DeclareTimer FTM_REFRESH("Inventory Refresh");
+
 void LLInventoryPanel::modelChanged(U32 mask)
 {
-	static LLFastTimer::DeclareTimer FTM_REFRESH("Inventory Refresh");
 	LLFastTimer t2(FTM_REFRESH);
 
 	bool handled = false;
@@ -975,7 +975,6 @@ bool LLInventoryPanel::beginIMSession()
 	std::set<LLUUID> selected_items = mFolderRoot->getSelectionList();
 
 	std::string name;
-	static int session_num = 1;
 
 	LLDynamicArray<LLUUID> members;
 	EInstantMessage type = IM_SESSION_CONFERENCE_START;
@@ -1055,7 +1054,7 @@ bool LLInventoryPanel::beginIMSession()
 
 	if (name.empty())
 	{
-		name = llformat("Session %d", session_num++);
+		name = LLTrans::getString("conference-title");
 	}
 
 	LLUUID session_id = gIMMgr->addSession(name, type, members[0], members);
diff --git a/indra/newview/lllandmarklist.cpp b/indra/newview/lllandmarklist.cpp
index dd402de394..2a131eff58 100644
--- a/indra/newview/lllandmarklist.cpp
+++ b/indra/newview/lllandmarklist.cpp
@@ -141,7 +141,6 @@ void LLLandmarkList::processGetAssetReply(
 	}
 	else
 	{
-		LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
 		// SJB: No use case for a notification here. Use lldebugs instead
 		if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status )
 		{
diff --git a/indra/newview/llmemoryview.cpp b/indra/newview/llmemoryview.cpp
deleted file mode 100644
index c0a323d6cb..0000000000
--- a/indra/newview/llmemoryview.cpp
+++ /dev/null
@@ -1,333 +0,0 @@
-/** 
- * @file llmemoryview.cpp
- * @brief LLMemoryView class implementation
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "llviewerprecompiledheaders.h"
-
-#include "llmemoryview.h"
-
-#include "llappviewer.h"
-#include "llallocator_heap_profile.h"
-#include "llgl.h"						// LLGLSUIDefault
-#include "llviewerwindow.h"
-#include "llviewercontrol.h"
-
-#include <sstream>
-#include <boost/algorithm/string/split.hpp>
-
-#include "llmemory.h"
-
-LLMemoryView::LLMemoryView(const LLMemoryView::Params& p)
-:	LLView(p),
-	mPaused(FALSE),
-	//mDelay(120),
-    mAlloc(NULL)
-{
-}
-
-LLMemoryView::~LLMemoryView()
-{
-}
-
-BOOL LLMemoryView::handleMouseDown(S32 x, S32 y, MASK mask)
-{
-	if (mask & MASK_SHIFT)
-	{
-	}
-	else if (mask & MASK_CONTROL)
-	{
-	}
-	else
-	{
-		mPaused = !mPaused;
-	}
-	return TRUE;
-}
-
-BOOL LLMemoryView::handleMouseUp(S32 x, S32 y, MASK mask)
-{
-	return TRUE;
-}
-
-
-BOOL LLMemoryView::handleHover(S32 x, S32 y, MASK mask)
-{
-	return FALSE;
-}
-
-void LLMemoryView::refreshProfile()
-{
-	/*
-    LLAllocator & alloc = LLAppViewer::instance()->getAllocator();
-    if(alloc.isProfiling()) {
-        std::string profile_text = alloc.getRawProfile();
-
-        boost::algorithm::split(mLines, profile_text, boost::bind(std::equal_to<llwchar>(), '\n', _1));
-    } else {
-        mLines.clear();
-    }
-	*/
-    if (mAlloc == NULL) {
-        mAlloc = &LLAppViewer::instance()->getAllocator();
-    }
-
-	mLines.clear();
-
- 	if(mAlloc->isProfiling()) 
-	{
-		const LLAllocatorHeapProfile &prof = mAlloc->getProfile();
-		for(size_t i = 0; i < prof.mLines.size(); ++i)
-		{
-			std::stringstream ss;
-			ss << "Unfreed Mem: " << (prof.mLines[i].mLiveSize >> 20) << " M     Trace: ";
-			for(size_t k = 0; k < prof.mLines[i].mTrace.size(); ++k)
-			{
-				ss << LLMemType::getNameFromID(prof.mLines[i].mTrace[k]) << "  ";
-			}
-			mLines.push_back(utf8string_to_wstring(ss.str()));
-		}
-	}
-}
-
-void LLMemoryView::draw()
-{
-	const S32 UPDATE_INTERVAL = 60;
-	const S32 MARGIN_AMT = 10; 
-	static S32 curUpdate = UPDATE_INTERVAL;
-    static LLUIColor s_console_color = LLUIColorTable::instance().getColor("ConsoleBackground", LLColor4U::black);	
-
-	// setup update interval
-	if (curUpdate >= UPDATE_INTERVAL)
-	{
-		refreshProfile();
-		curUpdate = 0;
-	}
-	curUpdate++;
-
-	// setup window properly
-	S32 height = (S32) (gViewerWindow->getWindowRectScaled().getHeight()*0.75f);
-	S32 width = (S32) (gViewerWindow->getWindowRectScaled().getWidth() * 0.9f);
-	setRect(LLRect().setLeftTopAndSize(getRect().mLeft, getRect().mTop, width, height));
-	
-	// setup window color
-	F32 console_opacity = llclamp(gSavedSettings.getF32("ConsoleBackgroundOpacity"), 0.f, 1.f);
-	LLColor4 color = s_console_color;
-	color.mV[VALPHA] *= console_opacity;
-
-	LLGLSUIDefault gls_ui;
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-	gl_rect_2d(0, height, width, 0, color);
-	
-    LLFontGL * font = LLFontGL::getFontSansSerifSmall(); 
-
-	// draw remaining lines
-	F32 y_pos = 0.f;
-    F32 y_off = 0.f;
-
-	F32 line_height = font->getLineHeight();
-    S32 target_width = width - 2 * MARGIN_AMT;
-
-	// cut off lines on bottom
-	U32 max_lines = U32((height - 2 * line_height) / line_height);
-	y_pos = height - MARGIN_AMT - line_height;
-    y_off = 0.f;
-
-#if !MEM_TRACK_MEM
-	std::vector<LLWString>::const_iterator end = mLines.end();
-    if(mLines.size() > max_lines) {
-        end = mLines.begin() + max_lines;
-    }
-    for (std::vector<LLWString>::const_iterator i = mLines.begin(); i != end; ++i)
-	{
-		font->render(*i, 0, MARGIN_AMT, y_pos -  y_off,
-            LLColor4::white,
-			LLFontGL::LEFT, 
-			LLFontGL::BASELINE,
-            LLFontGL::NORMAL,
-			LLFontGL::DROP_SHADOW,
-			S32_MAX,
-			target_width
-			);
-		y_off += line_height;
-	}
-
-#else
-	LLMemTracker::getInstance()->preDraw(mPaused) ;
-
-	{
-		F32 x_pos = MARGIN_AMT ;
-		U32 lines = 0 ;
-		const char* str = LLMemTracker::getInstance()->getNextLine() ;
-		while(str != NULL)
-		{
-			lines++ ;
-			font->renderUTF8(str, 0, x_pos, y_pos -  y_off,
-				LLColor4::white,
-				LLFontGL::LEFT, 
-				LLFontGL::BASELINE,
-				LLFontGL::NORMAL,
-				LLFontGL::DROP_SHADOW,
-				S32_MAX,
-				target_width,
-				NULL, FALSE);
-		
-			str = LLMemTracker::getInstance()->getNextLine() ;
-			y_off += line_height;
-
-			if(lines >= max_lines)
-			{
-				lines = 0 ;
-				x_pos += 512.f ;
-				if(x_pos + 512.f > target_width)
-				{
-					break ;
-				}
-
-				y_pos = height - MARGIN_AMT - line_height;
-				y_off = 0.f;
-			}
-		}
-	}
-
-	LLMemTracker::getInstance()->postDraw() ;
-#endif
-
-#if MEM_TRACK_TYPE
-
-	S32 left, top, right, bottom;
-	S32 x, y;
-
-	S32 margin = 10;
-	S32 texth = LLFontGL::getFontMonospace()->getLineHeight();
-
-	S32 xleft = margin;
-	S32 ytop = height - margin;
-	S32 labelwidth = 0;
-	S32 maxmaxbytes = 1;
-
-	// Make sure all timers are accounted for
-	// Set 'MT_OTHER' to unaccounted ticks last frame
-	{
-		S32 display_memtypes[LLMemType::MTYPE_NUM_TYPES];
-		for (S32 i=0; i < LLMemType::MTYPE_NUM_TYPES; i++)
-		{
-			display_memtypes[i] = 0;
-		}
-		for (S32 i=0; i < MTV_DISPLAY_NUM; i++)
-		{
-			S32 tidx = mtv_display_table[i].memtype;
-			display_memtypes[tidx]++;
-		}
-		LLMemType::sMemCount[LLMemType::MTYPE_OTHER] = 0;
-		LLMemType::sMaxMemCount[LLMemType::MTYPE_OTHER] = 0;
-		for (S32 tidx = 0; tidx < LLMemType::MTYPE_NUM_TYPES; tidx++)
-		{
-			if (display_memtypes[tidx] == 0)
-			{
-				LLMemType::sMemCount[LLMemType::MTYPE_OTHER] += LLMemType::sMemCount[tidx];
-				LLMemType::sMaxMemCount[LLMemType::MTYPE_OTHER] += LLMemType::sMaxMemCount[tidx];
-			}
-		}
-	}
-	
-	// Labels
-	{
-		y = ytop;
-		S32 peak = 0;
-		for (S32 i=0; i<MTV_DISPLAY_NUM; i++)
-		{
-			x = xleft;
-
-			int tidx = mtv_display_table[i].memtype;
-			S32 bytes = LLMemType::sMemCount[tidx];
-			S32 maxbytes = LLMemType::sMaxMemCount[tidx];
-			maxmaxbytes = llmax(maxbytes, maxmaxbytes);
-			peak += maxbytes;
-			S32 mbytes = bytes >> 20;
-
-			tdesc = llformat("%s [%4d MB] in %06d NEWS",mtv_display_table[i].desc,mbytes, LLMemType::sNewCount[tidx]);
-			LLFontGL::getFontMonospace()->renderUTF8(tdesc, 0, x, y, LLColor4::white, LLFontGL::LEFT, LLFontGL::TOP);
-			
-			y -= (texth + 2);
-
-			S32 textw = LLFontGL::getFontMonospace()->getWidth(tdesc);
-			if (textw > labelwidth)
-				labelwidth = textw;
-		}
-
-		S32 num_avatars = 0;
-		S32 num_motions = 0;
-		S32 num_loading_motions = 0;
-		S32 num_loaded_motions = 0;
-		S32 num_active_motions = 0;
-		S32 num_deprecated_motions = 0;
-		for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
-			 iter != LLCharacter::sInstances.end(); ++iter)
-		{
-			num_avatars++;
-			(*iter)->getMotionController().incMotionCounts(num_motions, num_loading_motions, num_loaded_motions, num_active_motions, num_deprecated_motions);
-		}
-		
-		x = xleft;
-		tdesc = llformat("Total Bytes: %d MB Overhead: %d KB Avs %d Motions:%d Loading:%d Loaded:%d Active:%d Dep:%d",
-						 LLMemType::sTotalMem >> 20, LLMemType::sOverheadMem >> 10,
-						 num_avatars, num_motions, num_loading_motions, num_loaded_motions, num_active_motions, num_deprecated_motions);
-		LLFontGL::getFontMonospace()->renderUTF8(tdesc, 0, x, y, LLColor4::white, LLFontGL::LEFT, LLFontGL::TOP);
-	}
-
-	// Bars
-	y = ytop;
-	labelwidth += 8;
-	S32 barw = width - labelwidth - xleft - margin;
-	for (S32 i=0; i<MTV_DISPLAY_NUM; i++)
-	{
-		x = xleft + labelwidth;
-
-		int tidx = mtv_display_table[i].memtype;
-		S32 bytes = LLMemType::sMemCount[tidx];
-		F32 frac = (F32)bytes / (F32)maxmaxbytes;
-		S32 w = (S32)(frac * (F32)barw);
-		left = x; right = x + w;
-		top = y; bottom = y - texth;		
-		gl_rect_2d(left, top, right, bottom, *mtv_display_table[i].color);
-
-		S32 maxbytes = LLMemType::sMaxMemCount[tidx];
-		F32 frac2 = (F32)maxbytes / (F32)maxmaxbytes;
-		S32 w2 = (S32)(frac2 * (F32)barw);
-		left = x + w + 1; right = x + w2;
-		top = y; bottom = y - texth;
-		LLColor4 tcolor = *mtv_display_table[i].color;
-		tcolor.setAlpha(.5f);
-		gl_rect_2d(left, top, right, bottom, tcolor);
-		
-		y -= (texth + 2);
-	}
-
-	dumpData();
-
-#endif
-	
-	LLView::draw();
-}
diff --git a/indra/newview/llnearbychatbar.cpp b/indra/newview/llnearbychatbar.cpp
index f8f0f7d243..23cbfae044 100644
--- a/indra/newview/llnearbychatbar.cpp
+++ b/indra/newview/llnearbychatbar.cpp
@@ -203,7 +203,12 @@ BOOL LLNearbyChatBar::handleKeyHere( KEY key, MASK mask )
 		sendChat(CHAT_TYPE_SHOUT);
 		handled = TRUE;
 	}
-
+	else if (KEY_RETURN == key && mask == MASK_SHIFT)
+	{
+		// whisper
+		sendChat(CHAT_TYPE_WHISPER);
+		handled = TRUE;
+	}
 	return handled;
 }
 
@@ -390,12 +395,6 @@ void LLNearbyChatBar::sendChat( EChatType type )
 
 	gAgent.stopTyping();
 
-	// If the user wants to stop chatting on hitting return, lose focus
-	// and go out of chat mode.
-	if (gSavedSettings.getBOOL("CloseChatOnReturn"))
-	{
-		stopChat();
-	}
 }
 
 void LLNearbyChatBar::showNearbyChatPanel(bool show)
@@ -446,7 +445,12 @@ void LLNearbyChatBar::onChatBoxCommit()
 	{
 		sendChat(CHAT_TYPE_NORMAL);
 	}
-
+	// If the user wants to stop chatting on hitting return, lose focus
+	// and go out of chat mode.
+	if (gSavedSettings.getBOOL("CloseChatOnReturn"))
+	{
+		stopChat();
+	}
 	gAgent.stopTyping();
 }
 
@@ -634,7 +638,7 @@ void send_chat_from_viewer(const std::string& utf8_out_text, EChatType type, S32
 
 	gAgent.sendReliableMessage();
 
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_CHAT_COUNT);
+	LLStatViewer::CHAT_COUNT.add(1);
 }
 
 class LLChatCommandHandler : public LLCommandHandler
diff --git a/indra/newview/lloutfitslist.cpp b/indra/newview/lloutfitslist.cpp
index ef5ef2ddc8..c15b6bd0d3 100644
--- a/indra/newview/lloutfitslist.cpp
+++ b/indra/newview/lloutfitslist.cpp
@@ -117,6 +117,8 @@ public:
 		registrar.add("Gear.Rename", boost::bind(&LLOutfitListGearMenu::onRename, this));
 		registrar.add("Gear.Delete", boost::bind(&LLOutfitsList::removeSelected, mOutfitList));
 		registrar.add("Gear.Create", boost::bind(&LLOutfitListGearMenu::onCreate, this, _2));
+		registrar.add("Gear.Collapse", boost::bind(&LLOutfitsList::collapse_all_folders, mOutfitList));
+		registrar.add("Gear.Expand", boost::bind(&LLOutfitsList::expand_all_folders, mOutfitList));
 
 		registrar.add("Gear.WearAdd", boost::bind(&LLOutfitListGearMenu::onAdd, this));
 
@@ -743,6 +745,34 @@ void LLOutfitsList::getSelectedItemsUUIDs(uuid_vec_t& selected_uuids) const
 	}
 }
 
+void LLOutfitsList::collapse_all_folders()
+{
+	for (outfits_map_t::iterator iter = mOutfitsMap.begin();
+			iter != mOutfitsMap.end();
+			++iter)
+	{
+		LLAccordionCtrlTab*	tab = iter->second;
+		if(tab && tab->isExpanded())
+		{
+			tab->changeOpenClose(true);
+		}
+	}
+}
+
+void LLOutfitsList::expand_all_folders()
+{
+	for (outfits_map_t::iterator iter = mOutfitsMap.begin();
+			iter != mOutfitsMap.end();
+			++iter)
+	{
+		LLAccordionCtrlTab*	tab = iter->second;
+		if(tab && !tab->isExpanded())
+		{
+			tab->changeOpenClose(false);
+		}
+	}
+}
+
 boost::signals2::connection LLOutfitsList::setSelectionChangeCallback(selection_change_callback_t cb)
 {
 	return mSelectionChangeSignal.connect(cb);
diff --git a/indra/newview/lloutfitslist.h b/indra/newview/lloutfitslist.h
index a0598737f1..2e3fb3f488 100644
--- a/indra/newview/lloutfitslist.h
+++ b/indra/newview/lloutfitslist.h
@@ -108,6 +108,16 @@ public:
 	 */
 	bool hasItemSelected();
 
+	/**
+	Collapses all outfit accordions.
+	*/
+	void collapse_all_folders();
+	/**
+	Expands all outfit accordions.
+	*/
+	void expand_all_folders();
+
+
 private:
 
 	void onOutfitsRemovalConfirmation(const LLSD& notification, const LLSD& response);
diff --git a/indra/newview/llpanelface.cpp b/indra/newview/llpanelface.cpp
index 202be9671b..39ded21183 100644
--- a/indra/newview/llpanelface.cpp
+++ b/indra/newview/llpanelface.cpp
@@ -1049,7 +1049,7 @@ BOOL LLPanelFace::onDragTexture(LLUICtrl*, LLInventoryItem* item)
 
 void LLPanelFace::onCommitTexture( const LLSD& data )
 {
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_EDIT_TEXTURE_COUNT );
+	LLStatViewer::EDIT_TEXTURE.add(1);
 	sendTexture();
 }
 
diff --git a/indra/newview/llpanellandmarks.cpp b/indra/newview/llpanellandmarks.cpp
index 68a3b6d1cd..d6fccb9705 100644
--- a/indra/newview/llpanellandmarks.cpp
+++ b/indra/newview/llpanellandmarks.cpp
@@ -418,12 +418,13 @@ void LLLandmarksPanel::setItemSelected(const LLUUID& obj_id, BOOL take_keyboard_
 bool LLLandmarksPanel::isLandmarkSelected() const 
 {
 	LLFolderViewItem* current_item = getCurSelectedItem();
-	if(current_item && current_item->getListener()->getInventoryType() == LLInventoryType::IT_LANDMARK)
-	{
-		return true;
-	}
+	return current_item && current_item->getListener()->getInventoryType() == LLInventoryType::IT_LANDMARK;
+}
 
-	return false;
+bool LLLandmarksPanel::isFolderSelected() const
+{
+	LLFolderViewItem* current_item = getCurSelectedItem();
+	return current_item && current_item->getListener()->getInventoryType() == LLInventoryType::IT_CATEGORY;
 }
 
 bool LLLandmarksPanel::isReceivedFolderSelected() const
@@ -720,7 +721,7 @@ void LLLandmarksPanel::initListCommandsHandlers()
 void LLLandmarksPanel::updateListCommands()
 {
 	bool add_folder_enabled = isActionEnabled("category");
-	bool trash_enabled = isActionEnabled("delete");
+	bool trash_enabled = isActionEnabled("delete") && (isFolderSelected() || isLandmarkSelected());
 
 	// keep Options & Add Landmark buttons always enabled
 	mListCommands->getChildView(ADD_FOLDER_BUTTON_NAME)->setEnabled(add_folder_enabled);
diff --git a/indra/newview/llpanellandmarks.h b/indra/newview/llpanellandmarks.h
index b2f4e92473..4e787317ba 100644
--- a/indra/newview/llpanellandmarks.h
+++ b/indra/newview/llpanellandmarks.h
@@ -84,6 +84,7 @@ protected:
 	 * @return true - if current selected panel is not null and selected item is a landmark
 	 */
 	bool isLandmarkSelected() const;
+	bool isFolderSelected() const;
 	bool isReceivedFolderSelected() const;
 	void doActionOnCurSelectedLandmark(LLLandmarkList::loaded_callback_t cb);
 	LLFolderViewItem* getCurSelectedItem() const;
diff --git a/indra/newview/llpanelmaininventory.cpp b/indra/newview/llpanelmaininventory.cpp
index 9f3273da2d..28cfb5b282 100644
--- a/indra/newview/llpanelmaininventory.cpp
+++ b/indra/newview/llpanelmaininventory.cpp
@@ -105,7 +105,6 @@ LLPanelMainInventory::LLPanelMainInventory(const LLPanel::Params& p)
 	  mMenuAdd(NULL),
 	  mNeedUploadCost(true)
 {
-	LLMemType mt(LLMemType::MTYPE_INVENTORY_VIEW_INIT);
 	// Menu Callbacks (non contex menus)
 	mCommitCallbackRegistrar.add("Inventory.DoToSelected", boost::bind(&LLPanelMainInventory::doToSelected, this, _2));
 	mCommitCallbackRegistrar.add("Inventory.CloseAllFolders", boost::bind(&LLPanelMainInventory::closeAllFolders, this));
@@ -604,7 +603,6 @@ void LLPanelMainInventory::setFilterTextFromFilter()
 
 void LLPanelMainInventory::toggleFindOptions()
 {
-	LLMemType mt(LLMemType::MTYPE_INVENTORY_VIEW_TOGGLE);
 	LLFloater *floater = getFinder();
 	if (!floater)
 	{
@@ -726,7 +724,6 @@ void LLFloaterInventoryFinder::updateElementsFromFilter()
 
 void LLFloaterInventoryFinder::draw()
 {
-	LLMemType mt(LLMemType::MTYPE_INVENTORY_DRAW);
 	U64 filter = 0xffffffffffffffffULL;
 	BOOL filtered_by_all_types = TRUE;
 
diff --git a/indra/newview/llpanelpermissions.cpp b/indra/newview/llpanelpermissions.cpp
index 51ab7649a4..8027783bd8 100644
--- a/indra/newview/llpanelpermissions.cpp
+++ b/indra/newview/llpanelpermissions.cpp
@@ -915,7 +915,6 @@ bool callback_deed_to_group(const LLSD& notification, const LLSD& response)
 		if(group_id.notNull() && groups_identical && (gAgent.hasPowerInGroup(group_id, GP_OBJECT_DEED)))
 		{
 			LLSelectMgr::getInstance()->sendOwner(LLUUID::null, group_id, FALSE);
-//			LLViewerStats::getInstance()->incStat(LLViewerStats::ST_RELEASE_COUNT);
 		}
 	}
 	return false;
diff --git a/indra/newview/llpanelplaces.cpp b/indra/newview/llpanelplaces.cpp
index 6d321d4716..6c2a01fc82 100644
--- a/indra/newview/llpanelplaces.cpp
+++ b/indra/newview/llpanelplaces.cpp
@@ -366,6 +366,7 @@ void LLPanelPlaces::onOpen(const LLSD& key)
 
 	if (key.size() != 0)
 	{
+		isLandmarkEditModeOn = false;
 		std::string key_type = key["type"].asString();
 		if (key_type == LANDMARK_TAB_INFO_TYPE)
 		{
@@ -392,7 +393,6 @@ void LLPanelPlaces::onOpen(const LLSD& key)
 			mPlaceInfoType = key_type;
 			mPosGlobal.setZero();
 			mItem = NULL;
-			isLandmarkEditModeOn = false;
 			togglePlaceInfoPanel(TRUE);
 
 			if (mPlaceInfoType == AGENT_INFO_TYPE)
diff --git a/indra/newview/llpanelteleporthistory.cpp b/indra/newview/llpanelteleporthistory.cpp
index c63d89fc98..0756faf5c0 100644
--- a/indra/newview/llpanelteleporthistory.cpp
+++ b/indra/newview/llpanelteleporthistory.cpp
@@ -972,6 +972,11 @@ void LLTeleportHistoryPanel::onCollapseAllFolders()
 		mItemContainers.get(n)->setDisplayChildren(false);
 	}
 	mHistoryAccordion->arrange();
+
+	if (mLastSelectedFlatlList)
+	{
+		mLastSelectedFlatlList->resetSelection();
+	}
 }
 
 void LLTeleportHistoryPanel::onClearTeleportHistory()
diff --git a/indra/newview/llpaneltopinfobar.cpp b/indra/newview/llpaneltopinfobar.cpp
index 280cc11179..1830086da2 100644
--- a/indra/newview/llpaneltopinfobar.cpp
+++ b/indra/newview/llpaneltopinfobar.cpp
@@ -64,9 +64,6 @@ private:
 
 LLPanelTopInfoBar::LLPanelTopInfoBar(): mParcelChangedObserver(0)
 {
-	LLUICtrl::CommitCallbackRegistry::currentRegistrar()
-			.add("TopInfoBar.Action", boost::bind(&LLPanelTopInfoBar::onContextMenuItemClicked, this, _2));
-
 	buildFromFile( "panel_topinfo_bar.xml");
 }
 
@@ -132,6 +129,11 @@ void LLPanelTopInfoBar::handleLoginComplete()
 
 BOOL LLPanelTopInfoBar::handleRightMouseDown(S32 x, S32 y, MASK mask)
 {
+	if(!LLUICtrl::CommitCallbackRegistry::getValue("TopInfoBar.Action"))
+	{
+		LLUICtrl::CommitCallbackRegistry::currentRegistrar()
+				.add("TopInfoBar.Action", boost::bind(&LLPanelTopInfoBar::onContextMenuItemClicked, this, _2));
+	}
 	show_topinfobar_context_menu(this, x, y);
 	return TRUE;
 }
diff --git a/indra/newview/llpolymesh.cpp b/indra/newview/llpolymesh.cpp
index 9902d047e4..e26fcc74bd 100644
--- a/indra/newview/llpolymesh.cpp
+++ b/indra/newview/llpolymesh.cpp
@@ -241,7 +241,7 @@ BOOL LLPolyMeshSharedData::allocateVertexData( U32 numVertices )
 			mBaseNormals[i].clear();
 			mBaseBinormals[i].clear();
 			mTexCoords[i].clear();
-			mWeights[i] = 0.f;
+            mWeights[i] = 0.f;
         }
         mNumVertices = numVertices;
         return TRUE;
@@ -750,8 +750,6 @@ const LLVector2 &LLPolyMeshSharedData::getUVs(U32 index)
 //-----------------------------------------------------------------------------
 LLPolyMesh::LLPolyMesh(LLPolyMeshSharedData *shared_data, LLPolyMesh *reference_mesh)
 {       
-	LLMemType mt(LLMemType::MTYPE_AVATAR_MESH);
-
 	llassert(shared_data);
 
 	mSharedData = shared_data;
diff --git a/indra/newview/llpreviewgesture.cpp b/indra/newview/llpreviewgesture.cpp
index f47928b131..cbb4d5f964 100644
--- a/indra/newview/llpreviewgesture.cpp
+++ b/indra/newview/llpreviewgesture.cpp
@@ -883,8 +883,6 @@ void LLPreviewGesture::onLoadComplete(LLVFS *vfs,
 		}
 		else
 		{
-			LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
-
 			if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status ||
 				LL_ERR_FILE_EMPTY == status)
 			{
diff --git a/indra/newview/llpreviewnotecard.cpp b/indra/newview/llpreviewnotecard.cpp
index 3a9360fd23..97c9de4b72 100644
--- a/indra/newview/llpreviewnotecard.cpp
+++ b/indra/newview/llpreviewnotecard.cpp
@@ -339,8 +339,6 @@ void LLPreviewNotecard::onLoadComplete(LLVFS *vfs,
 		}
 		else
 		{
-			LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
-
 			if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status ||
 				LL_ERR_FILE_EMPTY == status)
 			{
diff --git a/indra/newview/llpreviewscript.cpp b/indra/newview/llpreviewscript.cpp
index 9c25e69db0..050db136bc 100644
--- a/indra/newview/llpreviewscript.cpp
+++ b/indra/newview/llpreviewscript.cpp
@@ -942,7 +942,7 @@ void LLScriptEdCore::onBtnInsertFunction(LLUICtrl *ui, void* userdata)
 
 void LLScriptEdCore::doSave( BOOL close_after_save )
 {
-	LLViewerStats::getInstance()->incStat( LLViewerStats::ST_LSL_SAVE_COUNT );
+	LLStatViewer::LSL_SAVES.add(1);
 
 	if( mSaveCallback )
 	{
@@ -1146,8 +1146,7 @@ void LLScriptEdCore::onBtnLoadFromFile( void* data )
 
 void LLScriptEdCore::onBtnSaveToFile( void* userdata )
 {
-
-	LLViewerStats::getInstance()->incStat( LLViewerStats::ST_LSL_SAVE_COUNT );
+	LLStatViewer::LSL_SAVES.add(1);
 
 	LLScriptEdCore* self = (LLScriptEdCore*) userdata;
 
@@ -1670,8 +1669,6 @@ void LLPreviewLSL::onLoadComplete( LLVFS *vfs, const LLUUID& asset_uuid, LLAsset
 		}
 		else
 		{
-			LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
-
 			if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status ||
 				LL_ERR_FILE_EMPTY == status)
 			{
@@ -1902,8 +1899,6 @@ void LLLiveLSLEditor::onLoadComplete(LLVFS *vfs, const LLUUID& asset_id,
 		}
 		else
 		{
-			LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
-
 			if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status ||
 				LL_ERR_FILE_EMPTY == status)
 			{
diff --git a/indra/newview/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index c3c37141ed..36ce7bb60e 100644
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -1550,7 +1550,7 @@ void LLObjectSelection::applyNoCopyTextureToTEs(LLViewerInventoryItem* item)
 				}
 
 				// apply texture for the selected faces
-				LLViewerStats::getInstance()->incStat(LLViewerStats::ST_EDIT_TEXTURE_COUNT );
+				LLStatViewer::EDIT_TEXTURE.add(1);
 				object->setTEImage(te, image);
 				dialog_refresh_all();
 
@@ -3424,9 +3424,7 @@ bool LLSelectMgr::confirmDelete(const LLSD& notification, const LLSD& response,
 			gAgentCamera.setLookAt(LOOKAT_TARGET_CLEAR);
 
 			// Keep track of how many objects have been deleted.
-			F64 obj_delete_count = LLViewerStats::getInstance()->getStat(LLViewerStats::ST_OBJECT_DELETE_COUNT);
-			obj_delete_count += LLSelectMgr::getInstance()->mSelectedObjects->getObjectCount();
-			LLViewerStats::getInstance()->setStat(LLViewerStats::ST_OBJECT_DELETE_COUNT, obj_delete_count );
+			LLStatViewer::DELETE_OBJECT.add(LLSelectMgr::getInstance()->mSelectedObjects->getObjectCount());
 		}
 		break;
 	case 1:
diff --git a/indra/newview/llsidepanelappearance.cpp b/indra/newview/llsidepanelappearance.cpp
index 853656905c..d909a218e3 100644
--- a/indra/newview/llsidepanelappearance.cpp
+++ b/indra/newview/llsidepanelappearance.cpp
@@ -456,10 +456,10 @@ void LLSidepanelAppearance::refreshCurrentOutfitName(const std::string& name)
 void LLSidepanelAppearance::editWearable(LLWearable *wearable, LLView *data, BOOL disable_camera_switch)
 {
 	LLFloaterSidePanelContainer::showPanel("appearance", LLSD());
-
 	LLSidepanelAppearance *panel = dynamic_cast<LLSidepanelAppearance*>(data);
 	if (panel)
 	{
+		panel->showOutfitsInventoryPanel();
 		panel->showWearableEditPanel(wearable, disable_camera_switch);
 	}
 }
diff --git a/indra/newview/llsidepaneltaskinfo.cpp b/indra/newview/llsidepaneltaskinfo.cpp
index c351b1a128..8fb56eb6d8 100644
--- a/indra/newview/llsidepaneltaskinfo.cpp
+++ b/indra/newview/llsidepaneltaskinfo.cpp
@@ -945,7 +945,6 @@ static bool callback_deed_to_group(const LLSD& notification, const LLSD& respons
 		if (group_id.notNull() && groups_identical && (gAgent.hasPowerInGroup(group_id, GP_OBJECT_DEED)))
 		{
 			LLSelectMgr::getInstance()->sendOwner(LLUUID::null, group_id, FALSE);
-//			LLViewerStats::getInstance()->incStat(LLViewerStats::ST_RELEASE_COUNT);
 		}
 	}
 	return FALSE;
diff --git a/indra/newview/llsimplestat.h b/indra/newview/llsimplestat.h
index 9d7780c4f9..80ce99b774 100644
--- a/indra/newview/llsimplestat.h
+++ b/indra/newview/llsimplestat.h
@@ -99,43 +99,43 @@ public:
 	 * values back to zero.
 	 */
 	void reset()
-		{
-			mCount = 0;
-			mMin = Value(0);
-			mMax = Value(0);
-			mTotal = Value(0);
-		}
+	{
+		mCount = 0;
+		mMin = Value(0);
+		mMax = Value(0);
+		mTotal = Value(0);
+	}
 
 	void record(Value v)
+	{
+		if (mCount)
+		{
+			mMin = llmin(mMin, v);
+			mMax = llmax(mMax, v);
+		}
+		else
 		{
-			if (mCount)
-			{
-				mMin = llmin(mMin, v);
-				mMax = llmax(mMax, v);
-			}
-			else
-			{
-				mMin = v;
-				mMax = v;
-			}
-			mTotal += v;
-			++mCount;
+			mMin = v;
+			mMax = v;
 		}
+		mTotal += v;
+		++mCount;
+	}
 
 	void merge(const LLSimpleStatMMM<VALUE_T> & src)
+	{
+		if (! mCount)
+		{
+			*this = src;
+		}
+		else if (src.mCount)
 		{
-			if (! mCount)
-			{
-				*this = src;
-			}
-			else if (src.mCount)
-			{
-				mMin = llmin(mMin, src.mMin);
-				mMax = llmax(mMax, src.mMax);
-				mCount += src.mCount;
-				mTotal += src.mTotal;
-			}
+			mMin = llmin(mMin, src.mMin);
+			mMax = llmax(mMax, src.mMax);
+			mCount += src.mCount;
+			mTotal += src.mTotal;
 		}
+	}
 	
 	inline U32 getCount() const		{ return mCount; }
 	inline Value getMin() const		{ return mMin; }
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index 2083afdcf5..88fb609d1c 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -55,7 +55,7 @@
 #include "llviewershadermgr.h"
 
 static LLFastTimer::DeclareTimer FTM_FRUSTUM_CULL("Frustum Culling");
-static LLFastTimer::DeclareTimer FTM_CULL_REBOUND("Cull Rebound");
+static LLFastTimer::DeclareTimer FTM_CULL_REBOUND("Cull Rebound Partition");
 
 const F32 SG_OCCLUSION_FUDGE = 0.25f;
 #define SG_DISCARD_TOLERANCE 0.01f
@@ -376,7 +376,6 @@ LLSpatialGroup::~LLSpatialGroup()
 		}
 	}
 
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	clearDrawMap();
 	clearAtlasList() ;
 }
@@ -615,8 +614,6 @@ void LLSpatialGroup::validateDrawMap()
 
 BOOL LLSpatialGroup::updateInGroup(LLDrawable *drawablep, BOOL immediate)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
-		
 	drawablep->updateSpatialExtents();
 
 	OctreeNode* parent = mOctreeNode->getOctParent();
@@ -638,7 +635,6 @@ BOOL LLSpatialGroup::updateInGroup(LLDrawable *drawablep, BOOL immediate)
 
 BOOL LLSpatialGroup::addObject(LLDrawable *drawablep, BOOL add_all, BOOL from_octree)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	if (!from_octree)
 	{
 		mOctreeNode->insert(drawablep);
@@ -664,7 +660,6 @@ BOOL LLSpatialGroup::addObject(LLDrawable *drawablep, BOOL add_all, BOOL from_oc
 
 void LLSpatialGroup::rebuildGeom()
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	if (!isDead())
 	{
 		mSpatialPartition->rebuildGeom(this);
@@ -876,7 +871,6 @@ LLSpatialGroup* LLSpatialGroup::getParent()
 
 BOOL LLSpatialGroup::removeObject(LLDrawable *drawablep, BOOL from_octree)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	unbound();
 	if (mOctreeNode && !from_octree)
 	{
@@ -913,7 +907,6 @@ BOOL LLSpatialGroup::removeObject(LLDrawable *drawablep, BOOL from_octree)
 
 void LLSpatialGroup::shift(const LLVector4a &offset)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	LLVector4a t = mOctreeNode->getCenter();
 	t.add(offset);	
 	mOctreeNode->setCenter(t);
@@ -968,8 +961,6 @@ void LLSpatialGroup::setState(U32 state)
 
 void LLSpatialGroup::setState(U32 state, S32 mode) 
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
-
 	llassert(state <= LLSpatialGroup::STATE_MASK);
 	
 	if (mode > STATE_MODE_SINGLE)
@@ -1026,8 +1017,6 @@ void LLSpatialGroup::clearState(U32 state, S32 mode)
 {
 	llassert(state <= LLSpatialGroup::STATE_MASK);
 
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
-	
 	if (mode > STATE_MODE_SINGLE)
 	{
 		if (mode == STATE_MODE_DIFF)
@@ -1084,8 +1073,6 @@ public:
 
 void LLSpatialGroup::setOcclusionState(U32 state, S32 mode) 
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
-	
 	if (mode > STATE_MODE_SINGLE)
 	{
 		if (mode == STATE_MODE_DIFF)
@@ -1150,8 +1137,6 @@ public:
 
 void LLSpatialGroup::clearOcclusionState(U32 state, S32 mode)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
-	
 	if (mode > STATE_MODE_SINGLE)
 	{
 		if (mode == STATE_MODE_DIFF)
@@ -1203,7 +1188,6 @@ LLSpatialGroup::LLSpatialGroup(OctreeNode* node, LLSpatialPartition* part) :
 	ll_assert_aligned(this,16);
 	
 	sNodeCount++;
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 
 	mViewAngle.splat(0.f);
 	mLastUpdateViewAngle.splat(-1.f);
@@ -1389,7 +1373,6 @@ BOOL LLSpatialGroup::changeLOD()
 
 void LLSpatialGroup::handleInsertion(const TreeNode* node, LLDrawable* drawablep)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	addObject(drawablep, FALSE, TRUE);
 	unbound();
 	setState(OBJECT_DIRTY);
@@ -1397,14 +1380,12 @@ void LLSpatialGroup::handleInsertion(const TreeNode* node, LLDrawable* drawablep
 
 void LLSpatialGroup::handleRemoval(const TreeNode* node, LLDrawable* drawable)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	removeObject(drawable, TRUE);
 	setState(OBJECT_DIRTY);
 }
 
 void LLSpatialGroup::handleDestruction(const TreeNode* node)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	setState(DEAD);
 	
 	for (element_iter i = getDataBegin(); i != getDataEnd(); ++i)
@@ -1446,7 +1427,6 @@ void LLSpatialGroup::handleStateChange(const TreeNode* node)
 
 void LLSpatialGroup::handleChildAddition(const OctreeNode* parent, OctreeNode* child) 
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	if (child->getListenerCount() == 0)
 	{
 		new LLSpatialGroup(child, mSpatialPartition);
@@ -1600,7 +1580,7 @@ void LLSpatialGroup::checkOcclusion()
 					LLFastTimer t(FTM_OCCLUSION_WAIT);
 					while (!available && max_loop-- > 0)
 					{
-						F32 max_time = llmin(gFrameIntervalSeconds*10.f, 1.f);
+						F32 max_time = llmin(gFrameIntervalSeconds.value()*10.f, 1.f);
 						//do some usefu work while we wait
 						LLAppViewer::getTextureCache()->update(max_time); // unpauses the texture cache thread
 						LLAppViewer::getImageDecodeThread()->update(max_time); // unpauses the image thread
@@ -1792,7 +1772,6 @@ void LLSpatialGroup::doOcclusion(LLCamera* camera)
 LLSpatialPartition::LLSpatialPartition(U32 data_mask, BOOL render_by_group, U32 buffer_usage)
 : mRenderByGroup(render_by_group), mBridge(NULL)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	mOcclusionEnabled = TRUE;
 	mDrawableType = 0;
 	mPartitionType = LLViewerRegion::PARTITION_NONE;
@@ -1816,8 +1795,6 @@ LLSpatialPartition::LLSpatialPartition(U32 data_mask, BOOL render_by_group, U32
 
 LLSpatialPartition::~LLSpatialPartition()
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
-	
 	delete mOctree;
 	mOctree = NULL;
 }
@@ -1825,8 +1802,6 @@ LLSpatialPartition::~LLSpatialPartition()
 
 LLSpatialGroup *LLSpatialPartition::put(LLDrawable *drawablep, BOOL was_visible)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
-		
 	drawablep->updateSpatialExtents();
 
 	//keep drawable from being garbage collected
@@ -1848,8 +1823,6 @@ LLSpatialGroup *LLSpatialPartition::put(LLDrawable *drawablep, BOOL was_visible)
 
 BOOL LLSpatialPartition::remove(LLDrawable *drawablep, LLSpatialGroup *curp)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
-	
 	if (!curp->removeObject(drawablep))
 	{
 		OCT_ERRS << "Failed to remove drawable from octree!" << llendl;
@@ -1868,8 +1841,6 @@ BOOL LLSpatialPartition::remove(LLDrawable *drawablep, LLSpatialGroup *curp)
 
 void LLSpatialPartition::move(LLDrawable *drawablep, LLSpatialGroup *curp, BOOL immediate)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
-		
 	// sanity check submitted by open source user bushing Spatula
 	// who was seeing crashing here. (See VWR-424 reported by Bunny Mayne)
 	if (!drawablep)
@@ -1926,7 +1897,6 @@ public:
 
 void LLSpatialPartition::shift(const LLVector4a &offset)
 { //shift octree node bounding boxes by offset
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	LLSpatialShift shifter(offset);
 	shifter.traverse(mOctree);
 }
@@ -2340,7 +2310,6 @@ public:
 
 void LLSpatialPartition::restoreGL()
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 }
 
 void LLSpatialPartition::resetVertexBuffers()
@@ -2383,7 +2352,6 @@ BOOL LLSpatialPartition::visibleObjectsInFrustum(LLCamera& camera)
 
 S32 LLSpatialPartition::cull(LLCamera &camera, std::vector<LLDrawable *>* results, BOOL for_select)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 #if LL_OCTREE_PARANOIA_CHECK
 	((LLSpatialGroup*)mOctree->getListener(0))->checkStates();
 #endif
@@ -2608,7 +2576,7 @@ void renderOctree(LLSpatialGroup* group)
 	LLVector4 col;
 	if (group->mBuilt > 0.f)
 	{
-		group->mBuilt -= 2.f * gFrameIntervalSeconds;
+		group->mBuilt -= 2.f * gFrameIntervalSeconds.value();
 		if (group->mBufferUsage == GL_STATIC_DRAW_ARB)
 		{
 			col.setVec(1.0f, 0, 0, group->mBuilt*0.5f);
@@ -4196,7 +4164,7 @@ public:
 						{
 							if (index < 255)
 							{
-								if (facep->mDrawInfo->mTextureList.size() <= index)
+								if (facep->mDrawInfo->mTextureList.size()<= index)
 								{
 									llerrs << "Face texture index out of bounds." << llendl;
 								}
@@ -4441,8 +4409,6 @@ void LLSpatialPartition::renderDebug()
 		sCurMaxTexPriority = 0.f;
 	}
 
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
-	
 	LLGLDisable cullface(GL_CULL_FACE);
 	LLGLEnable blend(GL_BLEND);
 	gGL.setSceneBlendType(LLRender::BT_ALPHA);
diff --git a/indra/newview/llstartup.cpp b/indra/newview/llstartup.cpp
index 3d1fd74ba6..511e6ec2ab 100755
--- a/indra/newview/llstartup.cpp
+++ b/indra/newview/llstartup.cpp
@@ -312,8 +312,6 @@ void update_texture_fetch()
 // true when all initialization done.
 bool idle_startup()
 {
-	LLMemType mt1(LLMemType::MTYPE_STARTUP);
-	
 	const F32 PRECACHING_DELAY = gSavedSettings.getF32("PrecachingDelay");
 	static LLTimer timeout;
 	static S32 timeout_count = 0;
@@ -1420,7 +1418,7 @@ bool idle_startup()
 		display_startup();
 
 		//reset statistics
-		LLViewerStats::getInstance()->resetStats();
+		LLViewerStats::instance().resetStats();
 
 		display_startup();
 		//
@@ -2073,7 +2071,7 @@ bool idle_startup()
 		if (wearables_time > MAX_WEARABLES_TIME)
 		{
 			LLNotificationsUtil::add("ClothingLoading");
-			LLViewerStats::getInstance()->incStat(LLViewerStats::ST_WEARABLES_TOO_LONG);
+			LLStatViewer::LOADING_WEARABLES_LONG_DELAY.add(1);
 			LLStartUp::setStartupState( STATE_CLEANUP );
 			return TRUE;
 		}
@@ -2186,7 +2184,7 @@ bool idle_startup()
 		LLAppViewer::instance()->handleLoginComplete();
 
 		// reset timers now that we are running "logged in" logic
-		LLFastTimer::reset();
+		LLTrace::BlockTimer::reset();
 
 		LLAgentPicksInfo::getInstance()->requestNumberOfPicks();
 
@@ -3308,7 +3306,7 @@ bool process_login_success_response()
 		// replace the default help URL format
 		gSavedSettings.setString("HelpURLFormat",text);
 	}
-
+			
 	std::string home_location = response["home"];
 	if(!home_location.empty())
 	{
diff --git a/indra/newview/llstatusbar.cpp b/indra/newview/llstatusbar.cpp
index ff69c6e9fd..b945ec2318 100644
--- a/indra/newview/llstatusbar.cpp
+++ b/indra/newview/llstatusbar.cpp
@@ -37,7 +37,6 @@
 #include "llviewercontrol.h"
 #include "llfloaterbuycurrency.h"
 #include "llbuycurrencyhtml.h"
-#include "llfloaterlagmeter.h"
 #include "llpanelnearbymedia.h"
 #include "llpanelvolumepulldown.h"
 #include "llfloaterregioninfo.h"
@@ -199,10 +198,10 @@ BOOL LLStatusBar::postBuild()
 	sgp.rect(r);
 	sgp.follows.flags(FOLLOWS_BOTTOM | FOLLOWS_RIGHT);
 	sgp.mouse_opaque(false);
+	sgp.stat.count_stat_float(&LLStatViewer::KBIT);
+	sgp.units("Kbps");
+	sgp.precision(0);
 	mSGBandwidth = LLUICtrlFactory::create<LLStatGraph>(sgp);
-	mSGBandwidth->setStat(&LLViewerStats::getInstance()->mKBitStat);
-	mSGBandwidth->setUnits("Kbps");
-	mSGBandwidth->setPrecision(0);
 	addChild(mSGBandwidth);
 	x -= SIM_STAT_WIDTH + 2;
 
@@ -213,17 +212,20 @@ BOOL LLStatusBar::postBuild()
 	pgp.rect(r);
 	pgp.follows.flags(FOLLOWS_BOTTOM | FOLLOWS_RIGHT);
 	pgp.mouse_opaque(false);
+	pgp.stat.measurement_stat_float(&LLStatViewer::PACKETS_LOST_PERCENT);
+	pgp.units("%");
+	pgp.min(0.f);
+	pgp.max(5.f);
+	pgp.precision(1);
+	pgp.per_sec(false);
+	LLStatGraph::Thresholds thresholds;
+	thresholds.threshold.add(LLStatGraph::ThresholdParams().value(0.1).color(LLColor4::green))
+						.add(LLStatGraph::ThresholdParams().value(0.25f).color(LLColor4::yellow))
+						.add(LLStatGraph::ThresholdParams().value(0.6f).color(LLColor4::red));
+
+	pgp.thresholds(thresholds);
 
 	mSGPacketLoss = LLUICtrlFactory::create<LLStatGraph>(pgp);
-	mSGPacketLoss->setStat(&LLViewerStats::getInstance()->mPacketsLostPercentStat);
-	mSGPacketLoss->setUnits("%");
-	mSGPacketLoss->setMin(0.f);
-	mSGPacketLoss->setMax(5.f);
-	mSGPacketLoss->setThreshold(0, 0.5f);
-	mSGPacketLoss->setThreshold(1, 1.f);
-	mSGPacketLoss->setThreshold(2, 3.f);
-	mSGPacketLoss->setPrecision(1);
-	mSGPacketLoss->mPerSec = FALSE;
 	addChild(mSGPacketLoss);
 
 	mPanelVolumePulldown = new LLPanelVolumePulldown();
@@ -253,9 +255,9 @@ void LLStatusBar::refresh()
 		F32 bwtotal = gViewerThrottle.getMaxBandwidth() / 1000.f;
 		mSGBandwidth->setMin(0.f);
 		mSGBandwidth->setMax(bwtotal*1.25f);
-		mSGBandwidth->setThreshold(0, bwtotal*0.75f);
-		mSGBandwidth->setThreshold(1, bwtotal);
-		mSGBandwidth->setThreshold(2, bwtotal);
+		//mSGBandwidth->setThreshold(0, bwtotal*0.75f);
+		//mSGBandwidth->setThreshold(1, bwtotal);
+		//mSGBandwidth->setThreshold(2, bwtotal);
 	}
 	
 	// update clock every 10 seconds
diff --git a/indra/newview/llsurface.cpp b/indra/newview/llsurface.cpp
index f64a72a616..ec11a23eb8 100644
--- a/indra/newview/llsurface.cpp
+++ b/indra/newview/llsurface.cpp
@@ -62,8 +62,6 @@ LLColor4U MAX_WATER_COLOR(0, 48, 96, 240);
 
 
 S32 LLSurface::sTextureSize = 256;
-S32 LLSurface::sTexelsUpdated = 0;
-F32 LLSurface::sTextureUpdateTime = 0.f;
 
 // ---------------- LLSurface:: Public Members ---------------
 
@@ -647,7 +645,6 @@ void LLSurface::updatePatchVisibilities(LLAgent &agent)
 
 BOOL LLSurface::idleUpdate(F32 max_update_time)
 {
-	LLMemType mt_ius(LLMemType::MTYPE_IDLE_UPDATE_SURFACE);
 	if (!gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_TERRAIN))
 	{
 		return FALSE;
diff --git a/indra/newview/llsurface.h b/indra/newview/llsurface.h
index 8052fb0d18..33a64ae7d5 100644
--- a/indra/newview/llsurface.h
+++ b/indra/newview/llsurface.h
@@ -45,7 +45,6 @@
 class LLTimer;
 class LLUUID;
 class LLAgent;
-class LLStat;
 
 static const U8 NO_EDGE    = 0x00;
 static const U8 EAST_EDGE  = 0x01;
@@ -169,9 +168,6 @@ public:
 	
 	F32 mDetailTextureScale;	//  Number of times to repeat detail texture across this surface 
 
-	static F32 sTextureUpdateTime;
-	static S32 sTexelsUpdated;
-
 protected:
 	void createSTexture();
 	void createWaterTexture();
diff --git a/indra/newview/lltexlayer.cpp b/indra/newview/lltexlayer.cpp
index ad09af6594..fad7a73008 100644
--- a/indra/newview/lltexlayer.cpp
+++ b/indra/newview/lltexlayer.cpp
@@ -460,7 +460,7 @@ BOOL LLTexLayerSetBuffer::requestUpdateImmediate()
 void LLTexLayerSetBuffer::doUpload()
 {
 	llinfos << "Uploading baked " << mTexLayerSet->getBodyRegionName() << llendl;
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_TEX_BAKES);
+	LLStatViewer::TEX_BAKES.add(1);
 
 	// Don't need caches since we're baked now.  (note: we won't *really* be baked 
 	// until this image is sent to the server and the Avatar Appearance message is received.)
diff --git a/indra/newview/lltexturefetch.cpp b/indra/newview/lltexturefetch.cpp
index a2854dd6d8..885292131f 100644
--- a/indra/newview/lltexturefetch.cpp
+++ b/indra/newview/lltexturefetch.cpp
@@ -50,8 +50,10 @@
 #include "llviewertexture.h"
 #include "llviewerregion.h"
 #include "llviewerstats.h"
+#include "llviewerstatsrecorder.h"
 #include "llviewerassetstats.h"
 #include "llworld.h"
+#include "llsdparam.h"
 #include "llsdutil.h"
 #include "llstartup.h"
 #include "llsdserialize.h"
@@ -63,8 +65,8 @@
 #include "bufferstream.h"
 
 bool LLTextureFetchDebugger::sDebuggerEnabled = false ;
-LLStat LLTextureFetch::sCacheHitRate("texture_cache_hits", 128);
-LLStat LLTextureFetch::sCacheReadLatency("texture_cache_read_latency", 128);
+LLTrace::Measurement<> LLTextureFetch::sCacheHitRate("texture_cache_hits");
+LLTrace::Measurement<> LLTextureFetch::sCacheReadLatency("texture_cache_read_latency");
 
 
 //////////////////////////////////////////////////////////////////////////////
@@ -351,13 +353,13 @@ public:
 
 	// Threads:  Tmain
 	/*virtual*/ bool deleteOK(); // called from update()
-
+	
 	~LLTextureFetchWorker();
 
 	// Threads:  Ttf
 	// Locks:  Mw
 	S32 callbackHttpGet(LLCore::HttpResponse * response,
-						bool partial, bool success);
+						 bool partial, bool success);
 
 	// Threads:  Ttc
 	void callbackCacheRead(bool success, LLImageFormatted* image,
@@ -382,7 +384,7 @@ public:
 	bool getCanUseHTTP() const { return mCanUseHTTP; }
 
 	LLTextureFetch & getFetcher() { return *mFetcher; }
-
+	
 	// Inherited from LLCore::HttpHandler
 	// Threads:  Ttf
 	virtual void onCompleted(LLCore::HttpHandle handle, LLCore::HttpResponse * response);
@@ -561,7 +563,7 @@ private:
 	U8 mImageCodec;
 
 	LLViewerAssetStats::duration_t mMetricsStartTime;
-
+			
 	LLCore::HttpHandle		mHttpHandle;				// Handle of any active request
 	LLCore::BufferArray	*	mHttpBufferArray;			// Refcounted pointer to response data 
 	int						mHttpPolicyClass;
@@ -569,7 +571,7 @@ private:
 	unsigned int			mHttpReplySize;				// Actual received data size
 	unsigned int			mHttpReplyOffset;			// Actual received data offset
 	bool					mHttpHasResource;			// Counts against Fetcher's mHttpSemaphore
-
+		
 	// State history
 	U32						mCacheReadCount;
 	U32						mCacheWriteCount;
@@ -1235,7 +1237,7 @@ bool LLTextureFetchWorker::doWork(S32 param)
 			LL_DEBUGS("Texture") << mID << ": Cached. Bytes: " << mFormattedImage->getDataSize()
 								 << " Size: " << llformat("%dx%d",mFormattedImage->getWidth(),mFormattedImage->getHeight())
 								 << " Desired Discard: " << mDesiredDiscard << " Desired Size: " << mDesiredSize << LL_ENDL;
-			LLTextureFetch::sCacheHitRate.addValue(100.f);
+			LLTextureFetch::sCacheHitRate.sample(100.f);
 		}
 		else
 		{
@@ -1252,7 +1254,7 @@ bool LLTextureFetchWorker::doWork(S32 param)
 			}
 			
 			// fall through
-			LLTextureFetch::sCacheHitRate.addValue(0.f);
+			LLTextureFetch::sCacheHitRate.sample(0.f);
 		}
 	}
 
@@ -1347,16 +1349,16 @@ bool LLTextureFetchWorker::doWork(S32 param)
 			recordTextureDone(false);
 		}
 		else
-		{
+			{
 			mFetcher->addToNetworkQueue(this); // failsafe
 			setPriority(LLWorkerThread::PRIORITY_LOW | mWorkPriority);
 			recordTextureStart(false);
-		}
+			}
 		return false;
-	}
+		}
 	
 	if (mState == WAIT_HTTP_RESOURCE)
-	{
+		{
 		// NOTE:
 		// control the number of the http requests issued for:
 		// 1, not openning too many file descriptors at the same time;
@@ -1365,19 +1367,19 @@ bool LLTextureFetchWorker::doWork(S32 param)
 		// If it looks like we're busy, keep this request here.
 		// Otherwise, advance into the HTTP states.
 		if (mFetcher->getHttpWaitersCount() || ! acquireHttpSemaphore())
-		{
+			{
 			mState = WAIT_HTTP_RESOURCE2;
 			setPriority(LLWorkerThread::PRIORITY_LOW | mWorkPriority);
 			mFetcher->addHttpWaiter(this->mID);
 			++mResourceWaitCount;
 			return false;
-		}
+			}
 		
 		mState = SEND_HTTP_REQ;
 		// *NOTE:  You must invoke releaseHttpSemaphore() if you transition
 		// to a state other than SEND_HTTP_REQ or WAIT_HTTP_REQ or abort
 		// the request.
-	}
+		}
 
 	if (mState == WAIT_HTTP_RESOURCE2)
 	{
@@ -1393,33 +1395,33 @@ bool LLTextureFetchWorker::doWork(S32 param)
 			return true; // abort
 		}
 
-		mFetcher->removeFromNetworkQueue(this, false);
+			mFetcher->removeFromNetworkQueue(this, false);
 			
-		S32 cur_size = 0;
-		if (mFormattedImage.notNull())
-		{
-			cur_size = mFormattedImage->getDataSize(); // amount of data we already have
-			if (mFormattedImage->getDiscardLevel() == 0)
+			S32 cur_size = 0;
+			if (mFormattedImage.notNull())
 			{
-				if (cur_size > 0)
+				cur_size = mFormattedImage->getDataSize(); // amount of data we already have
+				if (mFormattedImage->getDiscardLevel() == 0)
 				{
-					// We already have all the data, just decode it
-					mLoadedDiscard = mFormattedImage->getDiscardLevel();
-					setPriority(LLWorkerThread::PRIORITY_HIGH | mWorkPriority);
-					mState = DECODE_IMAGE;
+					if(cur_size > 0)
+					{
+						// We already have all the data, just decode it
+						mLoadedDiscard = mFormattedImage->getDiscardLevel();
+						setPriority(LLWorkerThread::PRIORITY_HIGH | mWorkPriority);
+						mState = DECODE_IMAGE;
 					releaseHttpSemaphore();
-					return false;
-				}
-				else
-				{
+						return false;
+					}
+					else
+					{
 					releaseHttpSemaphore();
-					return true; // abort.
+						return true ; //abort.
+					}
 				}
 			}
-		}
-		mRequestedSize = mDesiredSize;
-		mRequestedDiscard = mDesiredDiscard;
-		mRequestedSize -= cur_size;
+			mRequestedSize = mDesiredSize;
+			mRequestedDiscard = mDesiredDiscard;
+			mRequestedSize -= cur_size;
 		mRequestedOffset = cur_size;
 		if (mRequestedOffset)
 		{
@@ -1435,20 +1437,20 @@ bool LLTextureFetchWorker::doWork(S32 param)
 			mRequestedOffset -= 1;
 			mRequestedSize += 1;
 		}
-		
+			
 		mHttpHandle = LLCORE_HTTP_HANDLE_INVALID;
-		if (!mUrl.empty())
-		{
-			mRequestedTimer.reset();
-			mLoaded = FALSE;
+			if (!mUrl.empty())
+			{
+				mRequestedTimer.reset();
+				mLoaded = FALSE;
 			mGetStatus = LLCore::HttpStatus();
-			mGetReason.clear();
+				mGetReason.clear();
 			LL_DEBUGS("Texture") << "HTTP GET: " << mID << " Offset: " << mRequestedOffset
-								 << " Bytes: " << mRequestedSize
-								 << " Bandwidth(kbps): " << mFetcher->getTextureBandwidth() << "/" << mFetcher->mMaxBandwidth
-								 << LL_ENDL;
+									 << " Bytes: " << mRequestedSize
+									 << " Bandwidth(kbps): " << mFetcher->getTextureBandwidth() << "/" << mFetcher->mMaxBandwidth
+									 << LL_ENDL;
 
-			// Will call callbackHttpGet when curl request completes
+				// Will call callbackHttpGet when curl request completes
 			mHttpHandle = mFetcher->mHttpRequest->requestGetByteRange(mHttpPolicyClass,
 																	  mWorkPriority,
 																	  mUrl,
@@ -1457,14 +1459,14 @@ bool LLTextureFetchWorker::doWork(S32 param)
 																	  mFetcher->mHttpOptions,
 																	  mFetcher->mHttpHeaders,
 																	  this);
-		}
+			}
 		if (LLCORE_HTTP_HANDLE_INVALID == mHttpHandle)
-		{
-			llwarns << "HTTP GET request failed for " << mID << llendl;
-			resetFormattedData();
+			{
+				llwarns << "HTTP GET request failed for " << mID << llendl;
+				resetFormattedData();
 			releaseHttpSemaphore();
-			return true; // failed
-		}
+				return true; // failed
+			}
 
 		mHttpActive = true;
 		mFetcher->addToHTTPQueue(mID);
@@ -1472,8 +1474,8 @@ bool LLTextureFetchWorker::doWork(S32 param)
 		setPriority(LLWorkerThread::PRIORITY_LOW | mWorkPriority);
 		mState = WAIT_HTTP_REQ;	
 		
-		// fall through
-	}
+			// fall through
+		}
 	
 	if (mState == WAIT_HTTP_REQ)
 	{
@@ -1495,15 +1497,15 @@ bool LLTextureFetchWorker::doWork(S32 param)
 
 					llwarns << "Texture missing from server (404): " << mUrl << llendl;
 
-					// roll back to try UDP
-					if (mCanUseNET)
+					//roll back to try UDP
+					if(mCanUseNET)
 					{
-						mState = INIT;
-						mCanUseHTTP = false;
+						mState = INIT ;
+						mCanUseHTTP = false ;
 						mUrl.clear();
 						setPriority(LLWorkerThread::PRIORITY_HIGH | mWorkPriority);
 						releaseHttpSemaphore();
-						return false;
+						return false ;
 					}
 				}
 				else if (http_service_unavail == mGetStatus)
@@ -1523,23 +1525,23 @@ bool LLTextureFetchWorker::doWork(S32 param)
 							<< llendl;
 				}
 
-				mUrl.clear();
-				if (cur_size > 0)
-				{
-					// Use available data
-					mLoadedDiscard = mFormattedImage->getDiscardLevel();
-					setPriority(LLWorkerThread::PRIORITY_HIGH | mWorkPriority);
-					mState = DECODE_IMAGE;
+					mUrl.clear();
+					if (cur_size > 0)
+					{
+						// Use available data
+						mLoadedDiscard = mFormattedImage->getDiscardLevel();
+						setPriority(LLWorkerThread::PRIORITY_HIGH | mWorkPriority);
+						mState = DECODE_IMAGE;
 					releaseHttpSemaphore();
-					return false; 
-				}
+						return false; 
+					}
 
 				// Fail harder
-				resetFormattedData();
-				mState = DONE;
+						resetFormattedData();
+						mState = DONE;
 				releaseHttpSemaphore();
-				return true; // failed
-			}
+						return true; // failed
+					}
 			
 			// Clear the url since we're done with the fetch
 			// Note: mUrl is used to check is fetching is required so failure to clear it will force an http fetch
@@ -1548,17 +1550,17 @@ bool LLTextureFetchWorker::doWork(S32 param)
 			{
 				mUrl.clear();
 			}
-			
+
 			if (! mHttpBufferArray || ! mHttpBufferArray->size())
 			{
 				// no data received.
 				if (mHttpBufferArray)
-				{
+			{
 					mHttpBufferArray->release();
 					mHttpBufferArray = NULL;
 				}
 
-				// abort.
+				//abort.
 				mState = DONE;
 				releaseHttpSemaphore();
 				return true;
@@ -1626,7 +1628,7 @@ bool LLTextureFetchWorker::doWork(S32 param)
 			
 			mLoadedDiscard = mRequestedDiscard;
 			mState = DECODE_IMAGE;
-			if (mWriteToCacheState != NOT_WRITE)
+			if(mWriteToCacheState != NOT_WRITE)
 			{
 				mWriteToCacheState = SHOULD_WRITE ;
 			}
@@ -1653,7 +1655,7 @@ bool LLTextureFetchWorker::doWork(S32 param)
 		static LLCachedControl<bool> textures_decode_disabled(gSavedSettings,"TextureDecodeDisabled");
 
 		setPriority(LLWorkerThread::PRIORITY_LOW | mWorkPriority); // Set priority first since Responder may change it
-		if (textures_decode_disabled)
+		if(textures_decode_disabled)
 		{
 			// for debug use, don't decode
 			mState = DONE;
@@ -1883,7 +1885,7 @@ void LLTextureFetchWorker::onCompleted(LLCore::HttpHandle handle, LLCore::HttpRe
 		{
 			gTotalTextureBytesPerBoostLevel[tex->getBoostLevel()] += data_size ;
 		}
-	}
+}
 
 	mFetcher->removeFromHTTPQueue(mID, data_size);
 	
@@ -2064,7 +2066,7 @@ bool LLTextureFetchWorker::processSimulatorPackets()
 // Threads:  Ttf
 // Locks:  Mw
 S32 LLTextureFetchWorker::callbackHttpGet(LLCore::HttpResponse * response,
-										  bool partial, bool success)
+										   bool partial, bool success)
 {
 	S32 data_size = 0 ;
 
@@ -2084,7 +2086,7 @@ S32 LLTextureFetchWorker::callbackHttpGet(LLCore::HttpResponse * response,
 		// get length of stream:
 		LLCore::BufferArray * body(response->getBody());
 		data_size = body ? body->size() : 0;
-
+	
 		LL_DEBUGS("Texture") << "HTTP RECEIVED: " << mID.asString() << " Bytes: " << data_size << LL_ENDL;
 		if (data_size > 0)
 		{
@@ -2360,7 +2362,7 @@ LLTextureFetch::LLTextureFetch(LLTextureCache* cache, LLImageDecodeThread* image
 
 LLTextureFetch::~LLTextureFetch()
 {
-	clearDeleteList();
+	clearDeleteList() ;
 
 	while (! mCommands.empty())
 	{
@@ -2368,7 +2370,7 @@ LLTextureFetch::~LLTextureFetch()
 		mCommands.erase(mCommands.begin());
 		delete req;
 	}
-
+	
 	if (mHttpOptions)
 	{
 		mHttpOptions->release();
@@ -2644,7 +2646,7 @@ U32 LLTextureFetch::getTotalNumHTTPRequests()
 	U32 size = mTotalHTTPRequests;
 	mNetworkQueueMutex.unlock();										// -Mfq
 
-	return size;
+	return size ;
 }
 
 // call lockQueue() first!
@@ -2666,7 +2668,7 @@ LLTextureFetchWorker* LLTextureFetch::getWorker(const LLUUID& id)
 {
 	LLMutexLock lock(&mQueueMutex);										// +Mfq
 
-	return getWorkerAfterLock(id);
+	return getWorkerAfterLock(id) ;
 }																		// -Mfq
 
 
@@ -2700,7 +2702,7 @@ bool LLTextureFetch::getRequestFinished(const LLUUID& id, S32& discard_level,
 			F32 cache_read_time = worker->mCacheReadTime;
 			if (cache_read_time != 0.f)
 			{
-				sCacheReadLatency.addValue(cache_read_time * 1000.f);
+				sCacheReadLatency.sample(cache_read_time * 1000.f);
 			}
 			res = true;
 			LL_DEBUGS("Texture") << id << ": Request Finished. State: " << worker->mState << " Discard: " << discard_level << LL_ENDL;
@@ -2824,7 +2826,7 @@ S32 LLTextureFetch::update(F32 max_time_ms)
 
 	{
 		mNetworkQueueMutex.lock();										// +Mfnq
-		mMaxBandwidth = band_width;
+	mMaxBandwidth = band_width ;
 
 		gTextureList.sTextureBits += mHTTPTextureBits;
 		mHTTPTextureBits = 0;
@@ -2850,7 +2852,7 @@ S32 LLTextureFetch::update(F32 max_time_ms)
 		commonUpdate();
 	}
 
-	if (mFetchDebugger)
+	if(mFetchDebugger)
 	{
 		mFetchDebugger->tryToStopDebug(); //check if need to stop debugger.
 	}
@@ -2858,7 +2860,7 @@ S32 LLTextureFetch::update(F32 max_time_ms)
 	return res;
 }
 
-// called in the MAIN thread after the TextureCacheThread shuts down.
+//called in the MAIN thread after the TextureCacheThread shuts down.
 //
 // Threads:  Tmain
 void LLTextureFetch::shutDownTextureCacheThread() 
@@ -2870,7 +2872,7 @@ void LLTextureFetch::shutDownTextureCacheThread()
 	}
 }
 	
-// called in the MAIN thread after the ImageDecodeThread shuts down.
+//called in the MAIN thread after the ImageDecodeThread shuts down.
 //
 // Threads:  Tmain
 void LLTextureFetch::shutDownImageDecodeThread() 
@@ -2914,7 +2916,7 @@ void LLTextureFetch::threadedUpdate()
 #endif
 	
 	commonUpdate();
-	
+
 #if 0
 	const F32 INFO_TIME = 1.0f; 
 	static LLFrameTimer info_timer;
@@ -2959,46 +2961,46 @@ void LLTextureFetch::sendRequestListToSimulators()
 	work_request_map_t requests;
 	{
 		LLMutexLock lock2(&mNetworkQueueMutex);							// +Mfnq
-		for (queue_t::iterator iter = mNetworkQueue.begin(); iter != mNetworkQueue.end(); )
+	for (queue_t::iterator iter = mNetworkQueue.begin(); iter != mNetworkQueue.end(); )
+	{
+		queue_t::iterator curiter = iter++;
+		LLTextureFetchWorker* req = getWorker(*curiter);
+		if (!req)
 		{
-			queue_t::iterator curiter = iter++;
-			LLTextureFetchWorker* req = getWorker(*curiter);
-			if (!req)
-			{
-				mNetworkQueue.erase(curiter);
-				continue; // paranoia
-			}
-			if ((req->mState != LLTextureFetchWorker::LOAD_FROM_NETWORK) &&
-				(req->mState != LLTextureFetchWorker::LOAD_FROM_SIMULATOR))
-			{
-				// We already received our URL, remove from the queue
-				llwarns << "Worker: " << req->mID << " in mNetworkQueue but in wrong state: " << req->mState << llendl;
-				mNetworkQueue.erase(curiter);
-				continue;
-			}
-			if (req->mID == mDebugID)
-			{
-				mDebugCount++; // for setting breakpoints
-			}
-			if (req->mSentRequest == LLTextureFetchWorker::SENT_SIM &&
-				req->mTotalPackets > 0 &&
-				req->mLastPacket >= req->mTotalPackets-1)
-			{
-				// We have all the packets... make sure this is high priority
+			mNetworkQueue.erase(curiter);
+			continue; // paranoia
+		}
+		if ((req->mState != LLTextureFetchWorker::LOAD_FROM_NETWORK) &&
+			(req->mState != LLTextureFetchWorker::LOAD_FROM_SIMULATOR))
+		{
+			// We already received our URL, remove from the queue
+			llwarns << "Worker: " << req->mID << " in mNetworkQueue but in wrong state: " << req->mState << llendl;
+			mNetworkQueue.erase(curiter);
+			continue;
+		}
+		if (req->mID == mDebugID)
+		{
+			mDebugCount++; // for setting breakpoints
+		}
+		if (req->mSentRequest == LLTextureFetchWorker::SENT_SIM &&
+			req->mTotalPackets > 0 &&
+			req->mLastPacket >= req->mTotalPackets-1)
+		{
+			// We have all the packets... make sure this is high priority
 // 			req->setPriority(LLWorkerThread::PRIORITY_HIGH | req->mWorkPriority);
-				continue;
-			}
-			F32 elapsed = req->mRequestedTimer.getElapsedTimeF32();
+			continue;
+		}
+		F32 elapsed = req->mRequestedTimer.getElapsedTimeF32();
+		{
+			F32 delta_priority = llabs(req->mRequestedPriority - req->mImagePriority);
+			if ((req->mSimRequestedDiscard != req->mDesiredDiscard) ||
+				(delta_priority > MIN_DELTA_PRIORITY && elapsed >= MIN_REQUEST_TIME) ||
+				(elapsed >= SIM_LAZY_FLUSH_TIMEOUT))
 			{
-				F32 delta_priority = llabs(req->mRequestedPriority - req->mImagePriority);
-				if ((req->mSimRequestedDiscard != req->mDesiredDiscard) ||
-					(delta_priority > MIN_DELTA_PRIORITY && elapsed >= MIN_REQUEST_TIME) ||
-					(elapsed >= SIM_LAZY_FLUSH_TIMEOUT))
-				{
-					requests[req->mHost].insert(req);
-				}
+				requests[req->mHost].insert(req);
 			}
 		}
+	}
 	}																	// -Mfnq
 
 	for (work_request_map_t::iterator iter1 = requests.begin();
@@ -3080,49 +3082,49 @@ void LLTextureFetch::sendRequestListToSimulators()
 	// Send cancelations
 	{
 		LLMutexLock lock2(&mNetworkQueueMutex);							// +Mfnq
-		if (gMessageSystem && !mCancelQueue.empty())
+	if (gMessageSystem && !mCancelQueue.empty())
+	{
+		for (cancel_queue_t::iterator iter1 = mCancelQueue.begin();
+			 iter1 != mCancelQueue.end(); ++iter1)
 		{
-			for (cancel_queue_t::iterator iter1 = mCancelQueue.begin();
-				 iter1 != mCancelQueue.end(); ++iter1)
+			LLHost host = iter1->first;
+			if (host == LLHost::invalid)
+			{
+				host = gAgent.getRegionHost();
+			}
+			S32 request_count = 0;
+			for (queue_t::iterator iter2 = iter1->second.begin();
+				 iter2 != iter1->second.end(); ++iter2)
 			{
-				LLHost host = iter1->first;
-				if (host == LLHost::invalid)
+				if (0 == request_count)
 				{
-					host = gAgent.getRegionHost();
+					gMessageSystem->newMessageFast(_PREHASH_RequestImage);
+					gMessageSystem->nextBlockFast(_PREHASH_AgentData);
+					gMessageSystem->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
+					gMessageSystem->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
 				}
-				S32 request_count = 0;
-				for (queue_t::iterator iter2 = iter1->second.begin();
-					 iter2 != iter1->second.end(); ++iter2)
-				{
-					if (0 == request_count)
-					{
-						gMessageSystem->newMessageFast(_PREHASH_RequestImage);
-						gMessageSystem->nextBlockFast(_PREHASH_AgentData);
-						gMessageSystem->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
-						gMessageSystem->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
-					}
-					gMessageSystem->nextBlockFast(_PREHASH_RequestImage);
-					gMessageSystem->addUUIDFast(_PREHASH_Image, *iter2);
-					gMessageSystem->addS8Fast(_PREHASH_DiscardLevel, -1);
-					gMessageSystem->addF32Fast(_PREHASH_DownloadPriority, 0);
-					gMessageSystem->addU32Fast(_PREHASH_Packet, 0);
-					gMessageSystem->addU8Fast(_PREHASH_Type, 0);
+				gMessageSystem->nextBlockFast(_PREHASH_RequestImage);
+				gMessageSystem->addUUIDFast(_PREHASH_Image, *iter2);
+				gMessageSystem->addS8Fast(_PREHASH_DiscardLevel, -1);
+				gMessageSystem->addF32Fast(_PREHASH_DownloadPriority, 0);
+				gMessageSystem->addU32Fast(_PREHASH_Packet, 0);
+				gMessageSystem->addU8Fast(_PREHASH_Type, 0);
 // 				llinfos << "CANCELING IMAGE REQUEST: " << (*iter2) << llendl;
 
-					request_count++;
-					if (request_count >= IMAGES_PER_REQUEST)
-					{
-						gMessageSystem->sendSemiReliable(host, NULL, NULL);
-						request_count = 0;
-					}
-				}
-				if (request_count > 0 && request_count < IMAGES_PER_REQUEST)
+				request_count++;
+				if (request_count >= IMAGES_PER_REQUEST)
 				{
 					gMessageSystem->sendSemiReliable(host, NULL, NULL);
+					request_count = 0;
 				}
 			}
-			mCancelQueue.clear();
+			if (request_count > 0 && request_count < IMAGES_PER_REQUEST)
+			{
+				gMessageSystem->sendSemiReliable(host, NULL, NULL);
+			}
 		}
+		mCancelQueue.clear();
+	}
 	}																	// -Mfnq
 }
 
@@ -3269,7 +3271,7 @@ bool LLTextureFetch::receiveImagePacket(const LLHost& host, const LLUUID& id, U1
 		removeFromNetworkQueue(worker, true); // failsafe
 	}
 
-	if (packet_num >= (worker->mTotalPackets - 1))
+	if(packet_num >= (worker->mTotalPackets - 1))
 	{
 		static LLCachedControl<bool> log_to_viewer_log(gSavedSettings,"LogTextureDownloadsToViewerLog");
 		static LLCachedControl<bool> log_to_sim(gSavedSettings,"LogTextureDownloadsToSimulator");
@@ -3297,7 +3299,7 @@ BOOL LLTextureFetch::isFromLocalCache(const LLUUID& id)
 	if (worker)
 	{
 		worker->lockWorkMutex();										// +Mw
-		from_cache = worker->mInLocalCache;
+		from_cache = worker->mInLocalCache ;
 		worker->unlockWorkMutex();										// -Mw
 	}
 
@@ -3725,8 +3727,8 @@ TFReqSendMetrics::doWork(LLTextureFetch * fetcher)
 	static const U32 report_priority(1);
 	static LLCore::HttpHandler * const handler(fetcher->isQAMode() || true ? &stats_handler : NULL);
 	
-	if (! gViewerAssetStatsThread1)
-		return true;
+	//if (! gViewerAssetStatsThread1)
+	//	return true;
 
 	static volatile bool reporting_started(false);
 	static volatile S32 report_sequence(0);
@@ -3736,31 +3738,35 @@ TFReqSendMetrics::doWork(LLTextureFetch * fetcher)
 	// but leave it in 'this'.  Destructor will rid us of it.
 	LLViewerAssetStats & main_stats = *mMainStats;
 
-	// Merge existing stats into those from main, convert to LLSD
-	main_stats.merge(*gViewerAssetStatsThread1);
-	LLSD merged_llsd = main_stats.asLLSD(true);
-
-	// Add some additional meta fields to the content
-	merged_llsd["session_id"] = mSessionID;
-	merged_llsd["agent_id"] = mAgentID;
-	merged_llsd["message"] = "ViewerAssetMetrics";					// Identifies the type of metrics
-	merged_llsd["sequence"] = report_sequence;						// Sequence number
-	merged_llsd["initial"] = ! reporting_started;					// Initial data from viewer
-	merged_llsd["break"] = LLTextureFetch::svMetricsDataBreak;		// Break in data prior to this report
+	LLViewerAssetStats::AssetStats stats;
+	main_stats.getStats(stats, true);
+	//LLSD merged_llsd = main_stats.asLLSD();
+
+	stats.session_id = mSessionID;
+	stats.agent_id = mAgentID;
+	stats.message = "ViewerAssetMetrics";
+	stats.sequence = static_cast<bool>(report_sequence);
+	stats.initial = static_cast<bool>(!reporting_started);
+	stats.break_ = static_cast<bool>(LLTextureFetch::svMetricsDataBreak);
+
+	LLSD sd;
+	LLParamSDParser parser;
+	parser.writeSD(sd, stats);
 		
 	// Update sequence number
 	if (S32_MAX == ++report_sequence)
 		report_sequence = 0;
 	reporting_started = true;
-	
+
 	// Limit the size of the stats report if necessary.
-	merged_llsd["truncated"] = truncate_viewer_metrics(10, merged_llsd);
+	
+	sd["truncated"] = truncate_viewer_metrics(10, sd);
 
 	if (! mCapsURL.empty())
 	{
 		LLCore::BufferArray * ba = new LLCore::BufferArray;
 		LLCore::BufferArrayStream bas(ba);
-		LLSDSerialize::toXML(merged_llsd, bas);
+		LLSDSerialize::toXML(sd, bas);
 		
 		fetcher->getHttpRequest().requestPost(fetcher->getPolicyClass(),
 											  report_priority,
@@ -3780,11 +3786,9 @@ TFReqSendMetrics::doWork(LLTextureFetch * fetcher)
 	// In QA mode, Metrics submode, log the result for ease of testing
 	if (fetcher->isQAMode())
 	{
-		LL_INFOS("Textures") << ll_pretty_print_sd(merged_llsd) << LL_ENDL;
+		LL_INFOS("Textures") << ll_pretty_print_sd(sd) << LL_ENDL;
 	}
 
-	gViewerAssetStatsThread1->reset();
-
 	return true;
 }
 
@@ -4026,7 +4030,7 @@ bool LLTextureFetchDebugger::processStartDebug(F32 max_time)
 	}
 
 	//collect statistics
-	mTotalFetchingTime = gDebugTimers[0].getElapsedTimeF32() - mTotalFetchingTime;
+	mTotalFetchingTime = gTextureTimer.getElapsedTimeF32() - mTotalFetchingTime;
 	
 	std::set<LLUUID> fetched_textures;
 	S32 size = mFetchingHistory.size();
@@ -4083,7 +4087,7 @@ void LLTextureFetchDebugger::tryToStopDebug()
 			{
 				mTextureCache->readComplete(mFetchingHistory[i].mCacheHandle, true);
 			}
- 		}	
+		}	
 		break;
 	case WRITE_CACHE:
 		for(S32 i = 0 ; i < size; i++)
@@ -4127,7 +4131,7 @@ void LLTextureFetchDebugger::tryToStopDebug()
 			mFetchingHistory.clear();
 			mHandleToFetchIndex.clear();
 			init();	
-			mTotalFetchingTime = gDebugTimers[0].getElapsedTimeF32(); //reset
+			mTotalFetchingTime = gTextureTimer.getElapsedTimeF32(); //reset
 		}
 	}
 }
@@ -4322,7 +4326,7 @@ S32 LLTextureFetchDebugger::fillCurlQueue()
 	if (mNbCurlRequests > HTTP_REQUESTS_IN_QUEUE_LOW_WATER)
 	{
 		return mNbCurlRequests;
-	}
+	}	
 	
 	S32 size = mFetchingHistory.size();
 	for (S32 i = 0 ; i < size ; i++)
@@ -4339,7 +4343,7 @@ S32 LLTextureFetchDebugger::fillCurlQueue()
 		requestedSize = llmax(0,requestedSize);
 		// We request the whole file if the size was set to an absurdly high value (meaning all file)
 		requestedSize = (requestedSize == 33554432 ? 0 : requestedSize);
-
+		
 		LLCore::HttpHandle handle = mFetcher->getHttpRequest().requestGetByteRange(mHttpPolicyClass,
 																				   LLWorkerThread::PRIORITY_LOWBITS,
 																				   texture_url,
@@ -4352,7 +4356,7 @@ S32 LLTextureFetchDebugger::fillCurlQueue()
 		{
 			mHandleToFetchIndex[handle] = i;
 			mFetchingHistory[i].mHttpHandle = handle;
-			mFetchingHistory[i].mCurlState = FetchEntry::CURL_IN_PROGRESS;
+		mFetchingHistory[i].mCurlState = FetchEntry::CURL_IN_PROGRESS;
 			mNbCurlRequests++;
 			// Hack
 			if (mNbCurlRequests == HTTP_REQUESTS_IN_QUEUE_HIGH_WATER)	// emulate normal pipeline
diff --git a/indra/newview/lltexturefetch.h b/indra/newview/lltexturefetch.h
index 3a99432b48..90d0c7e04b 100644
--- a/indra/newview/lltexturefetch.h
+++ b/indra/newview/lltexturefetch.h
@@ -42,6 +42,7 @@
 #include "httpoptions.h"
 #include "httpheaders.h"
 #include "httphandler.h"
+#include "lltrace.h"
 
 class LLViewerTexture;
 class LLTextureFetchWorker;
@@ -64,8 +65,8 @@ public:
 	class TFRequest;
 	
     // Threads:  Tmain
-	/*virtual*/ S32 update(F32 max_time_ms);
-	
+	/*virtual*/ S32 update(F32 max_time_ms);	
+
 	// called in the main thread after the TextureCacheThread shuts down.
     // Threads:  Tmain
 	void shutDownTextureCacheThread();
@@ -125,8 +126,8 @@ public:
 	void dump();
 
 	// Threads:  T*
-	S32 getNumRequests();
-
+	S32 getNumRequests() ;
+	
 	// Threads:  T*
 	S32 getNumHTTPRequests();
 
@@ -219,7 +220,7 @@ public:
 	void getStateStats(U32 * cache_read, U32 * cache_write, U32 * res_wait);
 
 	// ----------------------------------
-	
+
 protected:
 	// Threads:  T* (but Ttf in practice)
 	void addToNetworkQueue(LLTextureFetchWorker* worker);
@@ -239,7 +240,7 @@ protected:
 	//
 	// Threads:  T*
 	void removeRequest(LLTextureFetchWorker* worker, bool cancel);
-	
+
 	// Overrides from the LLThread tree
 	// Locks:  Ct
 	bool runCondition();
@@ -307,12 +308,12 @@ private:
 	LLMutex mQueueMutex;        //to protect mRequestMap and mCommands only
 	LLMutex mNetworkQueueMutex; //to protect mNetworkQueue, mHTTPTextureQueue and mCancelQueue.
 
-	static LLStat sCacheHitRate;
-	static LLStat sCacheReadLatency;
+	static LLTrace::Measurement<> sCacheHitRate;
+	static LLTrace::Measurement<> sCacheReadLatency;
 
 	LLTextureCache* mTextureCache;
 	LLImageDecodeThread* mImageDecodeThread;
-	
+
 	// Map of all requests by UUID
 	typedef std::map<LLUUID,LLTextureFetchWorker*> map_t;
 	map_t mRequestMap;													// Mfq
diff --git a/indra/newview/lltextureview.cpp b/indra/newview/lltextureview.cpp
index 16c42dbd43..5331bb03cb 100755
--- a/indra/newview/lltextureview.cpp
+++ b/indra/newview/lltextureview.cpp
@@ -505,23 +505,23 @@ private:
 
 void LLGLTexMemBar::draw()
 {
-	S32 bound_mem = BYTES_TO_MEGA_BYTES(LLViewerTexture::sBoundTextureMemoryInBytes);
- 	S32 max_bound_mem = LLViewerTexture::sMaxBoundTextureMemInMegaBytes;
-	S32 total_mem = BYTES_TO_MEGA_BYTES(LLViewerTexture::sTotalTextureMemoryInBytes);
-	S32 max_total_mem = LLViewerTexture::sMaxTotalTextureMemInMegaBytes;
+	LLUnit<LLUnits::Megabytes, S32> bound_mem = LLViewerTexture::sBoundTextureMemory;
+ 	LLUnit<LLUnits::Megabytes, S32> max_bound_mem = LLViewerTexture::sMaxBoundTextureMem;
+	LLUnit<LLUnits::Megabytes, S32> total_mem = LLViewerTexture::sTotalTextureMemory;
+	LLUnit<LLUnits::Megabytes, S32> max_total_mem = LLViewerTexture::sMaxTotalTextureMem;
 	F32 discard_bias = LLViewerTexture::sDesiredDiscardBias;
-	F32 cache_usage = (F32)BYTES_TO_MEGA_BYTES(LLAppViewer::getTextureCache()->getUsage()) ;
-	F32 cache_max_usage = (F32)BYTES_TO_MEGA_BYTES(LLAppViewer::getTextureCache()->getMaxUsage()) ;
+	F32 cache_usage = (F32)LLTrace::Megabytes(LLAppViewer::getTextureCache()->getUsage()).value() ;
+	F32 cache_max_usage = (F32)LLTrace::Megabytes(LLAppViewer::getTextureCache()->getMaxUsage()).value() ;
 	S32 line_height = LLFontGL::getFontMonospace()->getLineHeight();
 	S32 v_offset = 0;//(S32)((texture_bar_height + 2.2f) * mTextureView->mNumTextureBars + 2.0f);
 	F32 total_texture_downloaded = (F32)gTotalTextureBytes / (1024 * 1024);
 	F32 total_object_downloaded = (F32)gTotalObjectBytes / (1024 * 1024);
-	U32 total_http_requests = LLAppViewer::getTextureFetch()->getTotalNumHTTPRequests();
+	U32 total_http_requests = LLAppViewer::getTextureFetch()->getTotalNumHTTPRequests() ;
 	//----------------------------------------------------------------------------
 	LLGLSUIDefault gls_ui;
 	LLColor4 text_color(1.f, 1.f, 1.f, 0.75f);
 	LLColor4 color;
-
+	
 	// Gray background using completely magic numbers
 	gGL.color4f(0.f, 0.f, 0.f, 0.25f);
 	// const LLRect & rect(getRect());
@@ -532,10 +532,10 @@ void LLGLTexMemBar::draw()
 											 text_color, LLFontGL::LEFT, LLFontGL::TOP);
 
 	text = llformat("GL Tot: %d/%d MB Bound: %d/%d MB FBO: %d MB Raw Tot: %d MB Bias: %.2f Cache: %.1f/%.1f MB",
-					total_mem,
-					max_total_mem,
-					bound_mem,
-					max_bound_mem,
+					total_mem.value(),
+					max_total_mem.value(),
+					bound_mem.value(),
+					max_bound_mem.value(),
 					LLRenderTarget::sBytesAllocated/(1024*1024),
 					LLImageRaw::sGlobalRawMemory >> 20,
 					discard_bias,
@@ -550,8 +550,8 @@ void LLGLTexMemBar::draw()
 	LLAppViewer::getTextureFetch()->getStateStats(&cache_read, &cache_write, &res_wait);
 	
 	text = llformat("Net Tot Tex: %.1f MB Tot Obj: %.1f MB Tot Htp: %d Cread: %u Cwrite: %u Rwait: %u",
-					total_texture_downloaded,
-					total_object_downloaded,
+					total_texture_downloaded.value(),
+					total_object_downloaded.value(),
 					total_http_requests,
 					cache_read,
 					cache_write,
@@ -679,7 +679,7 @@ void LLGLTexSizeBar::draw()
 
 	if(LLImageGL::sCurTexSizeBar == mIndex)
 	{
-		F32 text_color[] = {1.f, 1.f, 1.f, 0.75f};	
+		LLColor4 text_color(1.f, 1.f, 1.f, 0.75f);	
 		std::string text;
 	
 		text = llformat("%d", mTopLoaded) ;
@@ -691,8 +691,8 @@ void LLGLTexSizeBar::draw()
 									 text_color, LLFontGL::LEFT, LLFontGL::TOP);
 	}
 
-	F32 loaded_color[] = {1.0f, 0.0f, 0.0f, 0.75f};
-	F32 bound_color[] = {1.0f, 1.0f, 0.0f, 0.75f};
+	LLColor4 loaded_color(1.0f, 0.0f, 0.0f, 0.75f);
+	LLColor4 bound_color(1.0f, 1.0f, 0.0f, 0.75f);
 	gl_rect_2d(mLeft, mBottom + (S32)(mTopLoaded * mScale), (mLeft + mRight) / 2, mBottom, loaded_color) ;
 	gl_rect_2d((mLeft + mRight) / 2, mBottom + (S32)(mTopBound * mScale), mRight, mBottom, bound_color) ;
 }
diff --git a/indra/newview/lltoastalertpanel.cpp b/indra/newview/lltoastalertpanel.cpp
index 8fef2ed6d1..3f75f8da5e 100644
--- a/indra/newview/lltoastalertpanel.cpp
+++ b/indra/newview/lltoastalertpanel.cpp
@@ -357,6 +357,7 @@ LLToastAlertPanel::LLToastAlertPanel( LLNotificationPtr notification, bool modal
 	if (mLineEditor)
 	{
 		mLineEditor->selectAll();
+		mLineEditor->setFocus(TRUE);
 	}
 	if(mDefaultOption >= 0)
 	{
diff --git a/indra/newview/lltooldraganddrop.cpp b/indra/newview/lltooldraganddrop.cpp
index c69999981c..652847aac9 100644
--- a/indra/newview/lltooldraganddrop.cpp
+++ b/indra/newview/lltooldraganddrop.cpp
@@ -1062,7 +1062,7 @@ void LLToolDragAndDrop::dropTextureAllFaces(LLViewerObject* hit_obj,
 		return;
 	}
 	LLViewerTexture* image = LLViewerTextureManager::getFetchedTexture(asset_id);
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_EDIT_TEXTURE_COUNT );
+	LLStatViewer::EDIT_TEXTURE.add(1);
 	S32 num_faces = hit_obj->getNumTEs();
 	for( S32 face = 0; face < num_faces; face++ )
 	{
@@ -1130,7 +1130,7 @@ void LLToolDragAndDrop::dropTextureOneFace(LLViewerObject* hit_obj,
 	}
 	// update viewer side image in anticipation of update from simulator
 	LLViewerTexture* image = LLViewerTextureManager::getFetchedTexture(asset_id);
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_EDIT_TEXTURE_COUNT );
+	LLStatViewer::EDIT_TEXTURE.add(1);
 	hit_obj->setTEImage(hit_face, image);
 	dialog_refresh_all();
 
@@ -1354,7 +1354,7 @@ void LLToolDragAndDrop::dropObject(LLViewerObject* raycast_target,
 	effectp->setDuration(LL_HUD_DUR_SHORT);
 	effectp->setColor(LLColor4U(gAgent.getEffectColor()));
 
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_REZ_COUNT);
+	LLStatViewer::OBJECT_REZ.add(1);
 }
 
 void LLToolDragAndDrop::dropInventory(LLViewerObject* hit_obj,
diff --git a/indra/newview/lltoolplacer.cpp b/indra/newview/lltoolplacer.cpp
index 93ba3b2558..329249eee8 100644
--- a/indra/newview/lltoolplacer.cpp
+++ b/indra/newview/lltoolplacer.cpp
@@ -433,7 +433,7 @@ BOOL LLToolPlacer::addObject( LLPCode pcode, S32 x, S32 y, U8 use_physics )
 	effectp->setDuration(LL_HUD_DUR_SHORT);
 	effectp->setColor(LLColor4U(gAgent.getEffectColor()));
 
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_CREATE_COUNT);
+	LLStatViewer::OBJECT_CREATE.add(1);
 
 	return TRUE;
 }
diff --git a/indra/newview/llviewerassetstats.cpp b/indra/newview/llviewerassetstats.cpp
index 4c59fd0371..73a2e24424 100644
--- a/indra/newview/llviewerassetstats.cpp
+++ b/indra/newview/llviewerassetstats.cpp
@@ -31,6 +31,8 @@
 
 #include "stdtypes.h"
 #include "llvoavatar.h"
+#include "llsdparam.h"
+#include "llsdutil.h"
 
 /*
  * Classes and utility functions for per-thread and per-region
@@ -78,128 +80,194 @@
  *
  */
 
-
-// ------------------------------------------------------
-// Global data definitions
-// ------------------------------------------------------
-LLViewerAssetStats * gViewerAssetStatsMain(0);
-LLViewerAssetStats * gViewerAssetStatsThread1(0);
-
-
-// ------------------------------------------------------
-// Local declarations
-// ------------------------------------------------------
-namespace
-{
-
-static LLViewerAssetStats::EViewerAssetCategories
-asset_type_to_category(const LLViewerAssetType::EType at, bool with_http, bool is_temp);
-
-}
-
-// ------------------------------------------------------
-// LLViewerAssetStats::PerRegionStats struct definition
-// ------------------------------------------------------
-void
-LLViewerAssetStats::PerRegionStats::reset()
-{
-	for (int i(0); i < LL_ARRAY_SIZE(mRequests); ++i)
-	{
-		mRequests[i].mEnqueued.reset();
-		mRequests[i].mDequeued.reset();
-		mRequests[i].mResponse.reset();
-	}
-	mFPS.reset();
-	
-	mTotalTime = 0;
-	mStartTimestamp = LLViewerAssetStatsFF::get_timestamp();
-}
-
-
-void
-LLViewerAssetStats::PerRegionStats::merge(const LLViewerAssetStats::PerRegionStats & src)
+namespace LLViewerAssetStatsFF
 {
-	// mRegionHandle, mTotalTime, mStartTimestamp are left alone.
-	
-	// mFPS
-	if (src.mFPS.getCount() && mFPS.getCount())
+	static EViewerAssetCategories asset_type_to_category(const LLViewerAssetType::EType at, bool with_http, bool is_temp)
 	{
-		mFPS.merge(src.mFPS);
-	}
+		// For statistical purposes, we divide GETs into several
+		// populations of asset fetches:
+		//  - textures which are de-prioritized in the asset system
+		//  - wearables (clothing, bodyparts) which directly affect
+		//    user experiences when they log in
+		//  - sounds
+		//  - gestures
+		//  - everything else.
+		//
+		llassert_always(50 == LLViewerAssetType::AT_COUNT);
+
+		// Multiple asset definitions are floating around so this requires some
+		// maintenance and attention.
+		static const EViewerAssetCategories asset_to_bin_map[LLViewerAssetType::AT_COUNT] =
+		{
+			EVACTextureTempHTTPGet,			// (0) AT_TEXTURE
+			EVACSoundUDPGet,				// AT_SOUND
+			EVACOtherGet,					// AT_CALLINGCARD
+			EVACOtherGet,					// AT_LANDMARK
+			EVACOtherGet,					// AT_SCRIPT
+			EVACWearableUDPGet,				// AT_CLOTHING
+			EVACOtherGet,					// AT_OBJECT
+			EVACOtherGet,					// AT_NOTECARD
+			EVACOtherGet,					// AT_CATEGORY
+			EVACOtherGet,					// AT_ROOT_CATEGORY
+			EVACOtherGet,					// (10) AT_LSL_TEXT
+			EVACOtherGet,					// AT_LSL_BYTECODE
+			EVACOtherGet,					// AT_TEXTURE_TGA
+			EVACWearableUDPGet,				// AT_BODYPART
+			EVACOtherGet,					// AT_TRASH
+			EVACOtherGet,					// AT_SNAPSHOT_CATEGORY
+			EVACOtherGet,					// AT_LOST_AND_FOUND
+			EVACSoundUDPGet,				// AT_SOUND_WAV
+			EVACOtherGet,					// AT_IMAGE_TGA
+			EVACOtherGet,					// AT_IMAGE_JPEG
+			EVACGestureUDPGet,				// (20) AT_ANIMATION
+			EVACGestureUDPGet,				// AT_GESTURE
+			EVACOtherGet,					// AT_SIMSTATE
+			EVACOtherGet,					// AT_FAVORITE
+			EVACOtherGet,					// AT_LINK
+			EVACOtherGet,					// AT_LINK_FOLDER
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// (30)
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// (40)
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					//
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// 
+			EVACOtherGet,					// AT_MESH
+			// (50)
+		};
 
-	// Avatar stats - data all comes from main thread, so leave alone.
+		if (at < 0 || at >= LLViewerAssetType::AT_COUNT)
+		{
+			return EVACOtherGet;
+		}
+		EViewerAssetCategories ret(asset_to_bin_map[at]);
+		if (EVACTextureTempHTTPGet == ret)
+		{
+			// Indexed with [is_temp][with_http]
+			static const EViewerAssetCategories texture_bin_map[2][2] =
+			{
+				{
+					EVACTextureNonTempUDPGet,
+						EVACTextureNonTempHTTPGet,
+				},
+				{
+					EVACTextureTempUDPGet,
+						EVACTextureTempHTTPGet,
+					}
+			};
 
-	// Requests
-	for (int i = 0; i < LL_ARRAY_SIZE(mRequests); ++i)
-	{
-		mRequests[i].mEnqueued.merge(src.mRequests[i].mEnqueued);
-		mRequests[i].mDequeued.merge(src.mRequests[i].mDequeued);
-		mRequests[i].mResponse.merge(src.mRequests[i].mResponse);
+			ret = texture_bin_map[is_temp][with_http];
+		}
+		return ret;
 	}
-
-}
-
-
-void
-LLViewerAssetStats::PerRegionStats::accumulateTime(duration_t now)
-{
-	mTotalTime += (now - mStartTimestamp);
-	mStartTimestamp = now;
+	static LLTrace::Count<> sEnqueued[EVACCount] = {LLTrace::Count<>("enqueuedassetrequeststemptexturehttp", 
+		"Number of temporary texture asset http requests enqueued"),
+		LLTrace::Count<>("enqueuedassetrequeststemptextureudp", 
+		"Number of temporary texture asset udp requests enqueued"),
+		LLTrace::Count<>("enqueuedassetrequestsnontemptexturehttp", 
+		"Number of texture asset http requests enqueued"),
+		LLTrace::Count<>("enqueuedassetrequestsnontemptextureudp", 
+		"Number of texture asset udp requests enqueued"),
+		LLTrace::Count<>("enqueuedassetrequestswearableudp", 
+		"Number of wearable asset requests enqueued"),
+		LLTrace::Count<>("enqueuedassetrequestssoundudp", 
+		"Number of sound asset requests enqueued"),
+		LLTrace::Count<>("enqueuedassetrequestsgestureudp", 
+		"Number of gesture asset requests enqueued"),
+		LLTrace::Count<>("enqueuedassetrequestsother", 
+		"Number of other asset requests enqueued")};
+
+	static LLTrace::Count<> sDequeued[EVACCount] = {LLTrace::Count<>("dequeuedassetrequeststemptexturehttp", 
+		"Number of temporary texture asset http requests dequeued"),
+		LLTrace::Count<>("dequeuedassetrequeststemptextureudp", 
+		"Number of temporary texture asset udp requests dequeued"),
+		LLTrace::Count<>("dequeuedassetrequestsnontemptexturehttp", 
+		"Number of texture asset http requests dequeued"),
+		LLTrace::Count<>("dequeuedassetrequestsnontemptextureudp", 
+		"Number of texture asset udp requests dequeued"),
+		LLTrace::Count<>("dequeuedassetrequestswearableudp", 
+		"Number of wearable asset requests dequeued"),
+		LLTrace::Count<>("dequeuedassetrequestssoundudp", 
+		"Number of sound asset requests dequeued"),
+		LLTrace::Count<>("dequeuedassetrequestsgestureudp", 
+		"Number of gesture asset requests dequeued"),
+		LLTrace::Count<>("dequeuedassetrequestsother", 
+		"Number of other asset requests dequeued")};
+	static LLTrace::Measurement<LLTrace::Seconds> sResponse[EVACCount] = {LLTrace::Measurement<LLTrace::Seconds>("assetresponsetimestemptexturehttp", 
+		"Time spent responding to temporary texture asset http requests"),
+		LLTrace::Measurement<LLTrace::Seconds>("assetresponsetimestemptextureudp", 
+		"Time spent responding to temporary texture asset udp requests"),
+		LLTrace::Measurement<LLTrace::Seconds>("assetresponsetimesnontemptexturehttp", 
+		"Time spent responding to texture asset http requests"),
+		LLTrace::Measurement<LLTrace::Seconds>("assetresponsetimesnontemptextureudp", 
+		"Time spent responding to texture asset udp requests"),
+		LLTrace::Measurement<LLTrace::Seconds>("assetresponsetimeswearableudp", 
+		"Time spent responding to wearable asset requests"),
+		LLTrace::Measurement<LLTrace::Seconds>("assetresponsetimessoundudp", 
+		"Time spent responding to sound asset requests"),
+		LLTrace::Measurement<LLTrace::Seconds>("assetresponsetimesgestureudp", 
+		"Time spent responding to gesture asset requests"),
+		LLTrace::Measurement<LLTrace::Seconds>("assetresponsetimesother", 
+		"Time spent responding to other asset requests")};
 }
 
+// ------------------------------------------------------
+// Global data definitions
+// ------------------------------------------------------
+LLViewerAssetStats * gViewerAssetStats(0);
 
 // ------------------------------------------------------
 // LLViewerAssetStats class definition
 // ------------------------------------------------------
 LLViewerAssetStats::LLViewerAssetStats()
-	: mRegionHandle(U64(0))
+:	mRegionHandle(U64(0)),
+	mCurRecording(NULL)
 {
 	reset();
 }
 
 
 LLViewerAssetStats::LLViewerAssetStats(const LLViewerAssetStats & src)
-	: mRegionHandle(src.mRegionHandle),
-	  mResetTimestamp(src.mResetTimestamp),
-	  mPhaseStats(src.mPhaseStats),
-	  mAvatarRezStates(src.mAvatarRezStates)
+:	mRegionHandle(src.mRegionHandle),
+	mPhaseStats(src.mPhaseStats),
+	mAvatarRezStates(src.mAvatarRezStates)
 {
-	const PerRegionContainer::const_iterator it_end(src.mRegionStats.end());
-	for (PerRegionContainer::const_iterator it(src.mRegionStats.begin()); it_end != it; ++it)
-	{
-		mRegionStats[it->first] = new PerRegionStats(*it->second);
-	}
-	mCurRegionStats = mRegionStats[mRegionHandle];
+	src.mCurRecording->update();
+	mRegionRecordings = src.mRegionRecordings;
+	
+	mCurRecording = &mRegionRecordings[mRegionHandle];
 }
 
 
-void
-LLViewerAssetStats::reset()
+void LLViewerAssetStats::reset()
 {
 	// Empty the map of all region stats
-	mRegionStats.clear();
+	mRegionRecordings.clear();
 
-	// If we have a current stats, reset it, otherwise, as at construction,
-	// create a new one as we must always have a current stats block.
-	if (mCurRegionStats)
-	{
-		mCurRegionStats->reset();
-	}
-	else
+	// initialize new recording for current region
+	if (mRegionHandle)
 	{
-		mCurRegionStats = new PerRegionStats(mRegionHandle);
+		mCurRecording = &mRegionRecordings[mRegionHandle];
 	}
-
-	// And add reference to map
-	mRegionStats[mRegionHandle] = mCurRegionStats;
-
-	// Start timestamp consistent with per-region collector
-	mResetTimestamp = mCurRegionStats->mStartTimestamp;
 }
 
-
-void
-LLViewerAssetStats::setRegion(region_handle_t region_handle)
+void LLViewerAssetStats::setRegion(region_handle_t region_handle)
 {
 	if (region_handle == mRegionHandle)
 	{
@@ -207,445 +275,308 @@ LLViewerAssetStats::setRegion(region_handle_t region_handle)
 		return;
 	}
 
-	// Get duration for current set
-	const duration_t now = LLViewerAssetStatsFF::get_timestamp();
-	mCurRegionStats->accumulateTime(now);
-
-	// Prepare new set
-	PerRegionContainer::iterator new_stats = mRegionStats.find(region_handle);
-	if (mRegionStats.end() == new_stats)
+	if (mCurRecording)
 	{
-		// Haven't seen this region_id before, create a new block and make it current.
-		mCurRegionStats = new PerRegionStats(region_handle);
-		mRegionStats[region_handle] = mCurRegionStats;
+		mCurRecording->pause();
 	}
-	else
+	if (region_handle)
 	{
-		mCurRegionStats = new_stats->second;
+		mCurRecording = &mRegionRecordings[region_handle];
+		mCurRecording->start();
 	}
-	mCurRegionStats->mStartTimestamp = now;
+
 	mRegionHandle = region_handle;
 }
 
-
-void
-LLViewerAssetStats::recordGetEnqueued(LLViewerAssetType::EType at, bool with_http, bool is_temp)
-{
-	const EViewerAssetCategories eac(asset_type_to_category(at, with_http, is_temp));
-	
-	++(mCurRegionStats->mRequests[int(eac)].mEnqueued);
-}
-	
-void
-LLViewerAssetStats::recordGetDequeued(LLViewerAssetType::EType at, bool with_http, bool is_temp)
+void LLViewerAssetStats::recordAvatarStats()
 {
-	const EViewerAssetCategories eac(asset_type_to_category(at, with_http, is_temp));
-
-	++(mCurRegionStats->mRequests[int(eac)].mDequeued);
+	LLVOAvatar::getNearbyRezzedStats(mAvatarRezStates);
+	mPhaseStats.clear();
+	mPhaseStats["cloud"] = LLViewerStats::PhaseMap::getPhaseStats("cloud");
+	mPhaseStats["cloud-or-gray"] = LLViewerStats::PhaseMap::getPhaseStats("cloud-or-gray");
 }
 
-void
-LLViewerAssetStats::recordGetServiced(LLViewerAssetType::EType at, bool with_http, bool is_temp, duration_t duration)
+void LLViewerAssetStats::updateStats()
 {
-	const EViewerAssetCategories eac(asset_type_to_category(at, with_http, is_temp));
-
-	mCurRegionStats->mRequests[int(eac)].mResponse.record(duration);
+	if (mCurRecording && mCurRecording->isStarted())
+	{
+		mCurRecording->update();
+	}
 }
 
-void
-LLViewerAssetStats::recordFPS(F32 fps)
+void LLViewerAssetStats::getStats(AssetStats& stats, bool compact_output)
 {
-	mCurRegionStats->mFPS.record(fps);
-}
+	using namespace LLViewerAssetStatsFF;
+	
+	stats.regions.setProvided();
+	
+	for (PerRegionRecordingContainer::iterator it = mRegionRecordings.begin(), end_it = mRegionRecordings.end();
+		it != end_it;
+		++it)
+	{
+		RegionStats& r = stats.regions.add();
+		LLTrace::Recording& rec = it->second;
+		if (!compact_output
+			|| rec.getSum(sEnqueued[EVACTextureTempHTTPGet]) 
+			|| rec.getSum(sDequeued[EVACTextureTempHTTPGet])
+			|| rec.getSum(sResponse[EVACTextureTempHTTPGet]).value())
+		{
+			r.get_texture_temp_http	.enqueued(rec.getSum(sEnqueued[EVACTextureTempHTTPGet]))
+									.dequeued(rec.getSum(sDequeued[EVACTextureTempHTTPGet]))
+									.resp_count(rec.getSum(sResponse[EVACTextureTempHTTPGet]).value())
+									.resp_min(rec.getMin(sResponse[EVACTextureTempHTTPGet]).value())
+									.resp_max(rec.getMax(sResponse[EVACTextureTempHTTPGet]).value())
+									.resp_mean(rec.getMean(sResponse[EVACTextureTempHTTPGet]).value());
+		}
+		if (!compact_output
+			|| rec.getSum(sEnqueued[EVACTextureTempUDPGet]) 
+			|| rec.getSum(sDequeued[EVACTextureTempUDPGet])
+			|| rec.getSum(sResponse[EVACTextureTempUDPGet]).value())
+		{
+			r.get_texture_temp_udp	.enqueued(rec.getSum(sEnqueued[EVACTextureTempUDPGet]))
+									.dequeued(rec.getSum(sDequeued[EVACTextureTempUDPGet]))
+									.resp_count(rec.getSum(sResponse[EVACTextureTempUDPGet]).value())
+									.resp_min(rec.getMin(sResponse[EVACTextureTempUDPGet]).value())
+									.resp_max(rec.getMax(sResponse[EVACTextureTempUDPGet]).value())
+									.resp_mean(rec.getMean(sResponse[EVACTextureTempUDPGet]).value());
+		}
+		if (!compact_output
+			|| rec.getSum(sEnqueued[EVACTextureNonTempHTTPGet]) 
+			|| rec.getSum(sDequeued[EVACTextureNonTempHTTPGet])
+			|| rec.getSum(sResponse[EVACTextureNonTempHTTPGet]).value())
+		{
+			r.get_texture_non_temp_http	.enqueued(rec.getSum(sEnqueued[EVACTextureNonTempHTTPGet]))
+										.dequeued(rec.getSum(sDequeued[EVACTextureNonTempHTTPGet]))
+										.resp_count(rec.getSum(sResponse[EVACTextureNonTempHTTPGet]).value())
+										.resp_min(rec.getMin(sResponse[EVACTextureNonTempHTTPGet]).value())
+										.resp_max(rec.getMax(sResponse[EVACTextureNonTempHTTPGet]).value())
+										.resp_mean(rec.getMean(sResponse[EVACTextureNonTempHTTPGet]).value());
+		}
 
-void
-LLViewerAssetStats::recordAvatarStats()
-{
-	std::vector<S32> rez_counts;
-	LLVOAvatar::getNearbyRezzedStats(rez_counts);
-	mAvatarRezStates = rez_counts;
-	mPhaseStats.clear();
-	mPhaseStats["cloud"] = LLViewerStats::PhaseMap::getPhaseStats("cloud");
-	mPhaseStats["cloud-or-gray"] = LLViewerStats::PhaseMap::getPhaseStats("cloud-or-gray");
-}
+		if (!compact_output
+			|| rec.getSum(sEnqueued[EVACTextureNonTempUDPGet]) 
+			|| rec.getSum(sDequeued[EVACTextureNonTempUDPGet])
+			|| rec.getSum(sResponse[EVACTextureNonTempUDPGet]).value())
+		{
+			r.get_texture_non_temp_udp	.enqueued(rec.getSum(sEnqueued[EVACTextureNonTempUDPGet]))
+										.dequeued(rec.getSum(sDequeued[EVACTextureNonTempUDPGet]))
+										.resp_count(rec.getSum(sResponse[EVACTextureNonTempUDPGet]).value())
+										.resp_min(rec.getMin(sResponse[EVACTextureNonTempUDPGet]).value())
+										.resp_max(rec.getMax(sResponse[EVACTextureNonTempUDPGet]).value())
+										.resp_mean(rec.getMean(sResponse[EVACTextureNonTempUDPGet]).value());
+		}
 
-LLSD
-LLViewerAssetStats::asLLSD(bool compact_output)
-{
-	// Top-level tags
-	static const LLSD::String tags[EVACCount] = 
+		if (!compact_output
+			|| rec.getSum(sEnqueued[EVACWearableUDPGet]) 
+			|| rec.getSum(sDequeued[EVACWearableUDPGet])
+			|| rec.getSum(sResponse[EVACWearableUDPGet]).value())
 		{
-			LLSD::String("get_texture_temp_http"),
-			LLSD::String("get_texture_temp_udp"),
-			LLSD::String("get_texture_non_temp_http"),
-			LLSD::String("get_texture_non_temp_udp"),
-			LLSD::String("get_wearable_udp"),
-			LLSD::String("get_sound_udp"),
-			LLSD::String("get_gesture_udp"),
-			LLSD::String("get_other")
-		};
+			r.get_wearable_udp	.enqueued(rec.getSum(sEnqueued[EVACWearableUDPGet]))
+								.dequeued(rec.getSum(sDequeued[EVACWearableUDPGet]))
+								.resp_count(rec.getSum(sResponse[EVACWearableUDPGet]).value())
+								.resp_min(rec.getMin(sResponse[EVACWearableUDPGet]).value())
+								.resp_max(rec.getMax(sResponse[EVACWearableUDPGet]).value())
+								.resp_mean(rec.getMean(sResponse[EVACWearableUDPGet]).value());
+		}
 
-	// Stats Group Sub-tags.
-	static const LLSD::String enq_tag("enqueued");
-	static const LLSD::String deq_tag("dequeued");
-	static const LLSD::String rcnt_tag("resp_count");
-	static const LLSD::String rmin_tag("resp_min");
-	static const LLSD::String rmax_tag("resp_max");
-	static const LLSD::String rmean_tag("resp_mean");
-
-	// MMM Group Sub-tags.
-	static const LLSD::String cnt_tag("count");
-	static const LLSD::String min_tag("min");
-	static const LLSD::String max_tag("max");
-	static const LLSD::String mean_tag("mean");
-
-	// Avatar sub-tags
-	static const LLSD::String avatar_tag("avatar");
-	static const LLSD::String avatar_nearby_tag("nearby");
-	static const LLSD::String avatar_phase_stats_tag("phase_stats");
-	
-	const duration_t now = LLViewerAssetStatsFF::get_timestamp();
-	mCurRegionStats->accumulateTime(now);
+		if (!compact_output
+			|| rec.getSum(sEnqueued[EVACSoundUDPGet]) 
+			|| rec.getSum(sDequeued[EVACSoundUDPGet])
+			|| rec.getSum(sResponse[EVACSoundUDPGet]).value())
+		{
+			r.get_sound_udp	.enqueued(rec.getSum(sEnqueued[EVACSoundUDPGet]))
+							.dequeued(rec.getSum(sDequeued[EVACSoundUDPGet]))
+							.resp_count(rec.getSum(sResponse[EVACSoundUDPGet]).value())
+							.resp_min(rec.getMin(sResponse[EVACSoundUDPGet]).value())
+							.resp_max(rec.getMax(sResponse[EVACSoundUDPGet]).value())
+							.resp_mean(rec.getMean(sResponse[EVACSoundUDPGet]).value());
+		}
 
-	LLSD regions = LLSD::emptyArray();
-	for (PerRegionContainer::iterator it = mRegionStats.begin();
-		 mRegionStats.end() != it;
-		 ++it)
-	{
-		if (0 == it->first)
+		if (!compact_output
+			|| rec.getSum(sEnqueued[EVACGestureUDPGet]) 
+			|| rec.getSum(sDequeued[EVACGestureUDPGet])
+			|| rec.getSum(sResponse[EVACGestureUDPGet]).value())
 		{
-			// Never emit NULL UUID/handle in results.
-			continue;
+			r.get_gesture_udp	.enqueued(rec.getSum(sEnqueued[EVACGestureUDPGet]))
+								.dequeued(rec.getSum(sDequeued[EVACGestureUDPGet]))
+								.resp_count(rec.getSum(sResponse[EVACGestureUDPGet]).value())
+								.resp_min(rec.getMin(sResponse[EVACGestureUDPGet]).value())
+								.resp_max(rec.getMax(sResponse[EVACGestureUDPGet]).value())
+								.resp_mean(rec.getMean(sResponse[EVACGestureUDPGet]).value());
 		}
 
-		PerRegionStats & stats = *it->second;
-		
-		LLSD reg_stat = LLSD::emptyMap();
-		
-		for (int i = 0; i < LL_ARRAY_SIZE(tags); ++i)
+		if (!compact_output
+			|| rec.getSum(sEnqueued[EVACOtherGet]) 
+			|| rec.getSum(sDequeued[EVACOtherGet])
+			|| rec.getSum(sResponse[EVACOtherGet]).value())
 		{
-			PerRegionStats::prs_group & group(stats.mRequests[i]);
-			
-			if ((! compact_output) ||
-				group.mEnqueued.getCount() ||
-				group.mDequeued.getCount() ||
-				group.mResponse.getCount())
-			{
-				LLSD & slot = reg_stat[tags[i]];
-				slot = LLSD::emptyMap();
-				slot[enq_tag] = LLSD(S32(stats.mRequests[i].mEnqueued.getCount()));
-				slot[deq_tag] = LLSD(S32(stats.mRequests[i].mDequeued.getCount()));
-				slot[rcnt_tag] = LLSD(S32(stats.mRequests[i].mResponse.getCount()));
-				slot[rmin_tag] = LLSD(F64(stats.mRequests[i].mResponse.getMin() * 1.0e-6));
-				slot[rmax_tag] = LLSD(F64(stats.mRequests[i].mResponse.getMax() * 1.0e-6));
-				slot[rmean_tag] = LLSD(F64(stats.mRequests[i].mResponse.getMean() * 1.0e-6));
-			}
+			r.get_other	.enqueued(rec.getSum(sEnqueued[EVACOtherGet]))
+						.dequeued(rec.getSum(sDequeued[EVACOtherGet]))
+						.resp_count(rec.getSum(sResponse[EVACOtherGet]).value())
+						.resp_min(rec.getMin(sResponse[EVACOtherGet]).value())
+						.resp_max(rec.getMax(sResponse[EVACOtherGet]).value())
+						.resp_mean(rec.getMean(sResponse[EVACOtherGet]).value());
 		}
 
-		if ((! compact_output) || stats.mFPS.getCount())
+		S32 fps = rec.getSum(LLStatViewer::FPS_SAMPLE);
+		if (!compact_output || fps != 0)
 		{
-			LLSD & slot = reg_stat["fps"];
-			slot = LLSD::emptyMap();
-			slot[cnt_tag] = LLSD(S32(stats.mFPS.getCount()));
-			slot[min_tag] = LLSD(F64(stats.mFPS.getMin()));
-			slot[max_tag] = LLSD(F64(stats.mFPS.getMax()));
-			slot[mean_tag] = LLSD(F64(stats.mFPS.getMean()));
+			r.fps.count(fps);
+			r.fps.min(rec.getMin(LLStatViewer::FPS_SAMPLE));
+			r.fps.max(rec.getMax(LLStatViewer::FPS_SAMPLE));
+			r.fps.mean(rec.getMean(LLStatViewer::FPS_SAMPLE));
 		}
 		U32 grid_x(0), grid_y(0);
 		grid_from_region_handle(it->first, &grid_x, &grid_y);
-		reg_stat["grid_x"] = LLSD::Integer(grid_x);
-		reg_stat["grid_y"] = LLSD::Integer(grid_y);
-		reg_stat["duration"] = LLSD::Real(stats.mTotalTime * 1.0e-6);		
-		regions.append(reg_stat);
+		r.grid_x(grid_x);
+		r.grid_y(grid_y);
+		r.duration(LLUnit<LLUnits::Microseconds, F64>(rec.getDuration()).value());
 	}
 
-	LLSD ret = LLSD::emptyMap();
-	ret["regions"] = regions;
-	ret["duration"] = LLSD::Real((now - mResetTimestamp) * 1.0e-6);
-	LLSD avatar_info;
-	avatar_info[avatar_nearby_tag] = LLSD::emptyArray();
+	stats.duration(mCurRecording ? LLUnit<LLUnits::Microseconds, F64>(mCurRecording->getDuration()).value() : 0.0);
+	stats.avatar.setProvided(true);
+
 	for (S32 rez_stat=0; rez_stat < mAvatarRezStates.size(); ++rez_stat)
 	{
-		std::string rez_status_name = LLVOAvatar::rezStatusToString(rez_stat);
-		avatar_info[avatar_nearby_tag][rez_status_name] = mAvatarRezStates[rez_stat];
+		stats.avatar.nearby	.cloud(mAvatarRezStates[0])
+							.gray(mAvatarRezStates[1])
+							.textured(mAvatarRezStates[2]);
 	}
-	avatar_info[avatar_phase_stats_tag]["cloud"] = mPhaseStats["cloud"].getData();
-	avatar_info[avatar_phase_stats_tag]["cloud-or-gray"] = mPhaseStats["cloud-or-gray"].getData();
-	ret[avatar_tag] = avatar_info;
-	
-	return ret;
+
+	stats.avatar.phase_stats	.cloud(mPhaseStats["cloud"].asLLSD())
+								.cloud_or_gray(mPhaseStats["cloud-or-gray"].asLLSD());
 }
 
-void
-LLViewerAssetStats::merge(const LLViewerAssetStats & src)
+LLSD LLViewerAssetStats::asLLSD(bool compact_output)
 {
-	// mRegionHandle, mCurRegionStats and mResetTimestamp are left untouched.
-	// Just merge the stats bodies
-
-	const PerRegionContainer::const_iterator it_end(src.mRegionStats.end());
-	for (PerRegionContainer::const_iterator it(src.mRegionStats.begin()); it_end != it; ++it)
+	LLParamSDParser parser;
+	LLSD sd;
+	AssetStats stats;
+	getStats(stats, compact_output);
+	LLInitParam::predicate_rule_t rule = LLInitParam::default_parse_rules();
+	if (!compact_output)
 	{
-		PerRegionContainer::iterator dst(mRegionStats.find(it->first));
-		if (mRegionStats.end() == dst)
-		{
-			// Destination is missing data, just make a private copy
-			mRegionStats[it->first] = new PerRegionStats(*it->second);
-		}
-		else
-		{
-			dst->second->merge(*it->second);
-		}
+		rule.allow(LLInitParam::EMPTY);
 	}
+	parser.writeSD(sd, stats, rule);
+	return sd;
 }
 
-
 // ------------------------------------------------------
 // Global free-function definitions (LLViewerAssetStatsFF namespace)
 // ------------------------------------------------------
 
 namespace LLViewerAssetStatsFF
 {
-
-//
-// Target thread is elaborated in the function name.  This could
-// have been something 'templatey' like specializations iterated
-// over a set of constants but with so few, this is clearer I think.
-//
-// As for the threads themselves... rather than do fine-grained
-// locking as we gather statistics, this code creates a collector
-// for each thread, allocated and run independently.  Logging
-// happens at relatively infrequent intervals and at that time
-// the data is sent to a single thread to be aggregated into
-// a single entity with locks, thread safety and other niceties.
-//
-// A particularly fussy implementation would distribute the
-// per-thread pointers across separate cache lines.  But that should
-// be beyond current requirements.
-//
-
-// 'main' thread - initial program thread
-
-void
-set_region_main(LLViewerAssetStats::region_handle_t region_handle)
-{
-	if (! gViewerAssetStatsMain)
-		return;
-
-	gViewerAssetStatsMain->setRegion(region_handle);
-}
-
-void
-record_enqueue_main(LLViewerAssetType::EType at, bool with_http, bool is_temp)
-{
-	if (! gViewerAssetStatsMain)
-		return;
-
-	gViewerAssetStatsMain->recordGetEnqueued(at, with_http, is_temp);
-}
-
-void
-record_dequeue_main(LLViewerAssetType::EType at, bool with_http, bool is_temp)
-{
-	if (! gViewerAssetStatsMain)
-		return;
-
-	gViewerAssetStatsMain->recordGetDequeued(at, with_http, is_temp);
-}
-
-void
-record_response_main(LLViewerAssetType::EType at, bool with_http, bool is_temp, LLViewerAssetStats::duration_t duration)
-{
-	if (! gViewerAssetStatsMain)
-		return;
-
-	gViewerAssetStatsMain->recordGetServiced(at, with_http, is_temp, duration);
-}
-
-void
-record_fps_main(F32 fps)
+void set_region(LLViewerAssetStats::region_handle_t region_handle)
 {
-	if (! gViewerAssetStatsMain)
+	if (! gViewerAssetStats)
 		return;
 
-	gViewerAssetStatsMain->recordFPS(fps);
+	gViewerAssetStats->setRegion(region_handle);
 }
 
-void
-record_avatar_stats()
+void record_enqueue(LLViewerAssetType::EType at, bool with_http, bool is_temp)
 {
-	if (! gViewerAssetStatsMain)
-		return;
+	const EViewerAssetCategories eac(asset_type_to_category(at, with_http, is_temp));
 
-	gViewerAssetStatsMain->recordAvatarStats();
+	sEnqueued[int(eac)].add(1);
 }
 
-// 'thread1' - should be for TextureFetch thread
-
-void
-set_region_thread1(LLViewerAssetStats::region_handle_t region_handle)
+void record_dequeue(LLViewerAssetType::EType at, bool with_http, bool is_temp)
 {
-	if (! gViewerAssetStatsThread1)
-		return;
+	const EViewerAssetCategories eac(asset_type_to_category(at, with_http, is_temp));
 
-	gViewerAssetStatsThread1->setRegion(region_handle);
+	sDequeued[int(eac)].add(1);
 }
 
-void
-record_enqueue_thread1(LLViewerAssetType::EType at, bool with_http, bool is_temp)
+void record_response(LLViewerAssetType::EType at, bool with_http, bool is_temp, LLViewerAssetStats::duration_t duration)
 {
-	if (! gViewerAssetStatsThread1)
-		return;
+	const EViewerAssetCategories eac(asset_type_to_category(at, with_http, is_temp));
 
-	gViewerAssetStatsThread1->recordGetEnqueued(at, with_http, is_temp);
+	sResponse[int(eac)].sample<LLTrace::Microseconds>(duration);
 }
 
-void
-record_dequeue_thread1(LLViewerAssetType::EType at, bool with_http, bool is_temp)
+void record_avatar_stats()
 {
-	if (! gViewerAssetStatsThread1)
+	if (! gViewerAssetStats)
 		return;
 
-	gViewerAssetStatsThread1->recordGetDequeued(at, with_http, is_temp);
+	gViewerAssetStats->recordAvatarStats();
 }
 
-void
-record_response_thread1(LLViewerAssetType::EType at, bool with_http, bool is_temp, LLViewerAssetStats::duration_t duration)
+void init()
 {
-	if (! gViewerAssetStatsThread1)
-		return;
-
-	gViewerAssetStatsThread1->recordGetServiced(at, with_http, is_temp, duration);
-}
-
-
-void
-init()
-{
-	if (! gViewerAssetStatsMain)
+	if (! gViewerAssetStats)
 	{
-		gViewerAssetStatsMain = new LLViewerAssetStats();
-	}
-	if (! gViewerAssetStatsThread1)
-	{
-		gViewerAssetStatsThread1 = new LLViewerAssetStats();
+		gViewerAssetStats = new LLViewerAssetStats();
 	}
 }
 
 void
 cleanup()
 {
-	delete gViewerAssetStatsMain;
-	gViewerAssetStatsMain = 0;
-
-	delete gViewerAssetStatsThread1;
-	gViewerAssetStatsThread1 = 0;
+	delete gViewerAssetStats;
+	gViewerAssetStats = 0;
 }
 
 
 } // namespace LLViewerAssetStatsFF
 
 
-// ------------------------------------------------------
-// Local function definitions
-// ------------------------------------------------------
 
-namespace
+LLViewerAssetStats::AssetRequestType::AssetRequestType() 
+:	enqueued("enqueued"),
+	dequeued("dequeued"),
+	resp_count("resp_count"),
+	resp_min("resp_min"),
+	resp_max("resp_max"),
+	resp_mean("resp_mean")
+{}
+
+LLViewerAssetStats::FPSStats::FPSStats() 
+:	count("count"),
+	min("min"),
+	max("max"),
+	mean("mean")
+{}
+
+LLViewerAssetStats::RegionStats::RegionStats() 
+:	get_texture_temp_http("get_texture_temp_http"),
+	get_texture_temp_udp("get_texture_temp_udp"),
+	get_texture_non_temp_http("get_texture_non_temp_http"),
+	get_texture_non_temp_udp("get_texture_non_temp_udp"),
+	get_wearable_udp("get_wearable_udp"),
+	get_sound_udp("get_sound_udp"),
+	get_gesture_udp("get_gesture_udp"),
+	get_other("get_other"),
+	fps("fps"),
+	grid_x("grid_x"),
+	grid_y("grid_y"),
+	duration("duration")
+{}
+
+LLViewerAssetStats::AvatarRezState::AvatarRezState() 
+:	cloud("cloud"),
+	gray("gray"),
+	textured("textured")
+{}
+
+LLViewerAssetStats::AvatarInfo::AvatarInfo() 
+:	nearby("nearby"),
+	phase_stats("phase_stats")
 {
 
-LLViewerAssetStats::EViewerAssetCategories
-asset_type_to_category(const LLViewerAssetType::EType at, bool with_http, bool is_temp)
-{
-	// For statistical purposes, we divide GETs into several
-	// populations of asset fetches:
-	//  - textures which are de-prioritized in the asset system
-	//  - wearables (clothing, bodyparts) which directly affect
-	//    user experiences when they log in
-	//  - sounds
-	//  - gestures
-	//  - everything else.
-	//
-	llassert_always(50 == LLViewerAssetType::AT_COUNT);
-
-	// Multiple asset definitions are floating around so this requires some
-	// maintenance and attention.
-	static const LLViewerAssetStats::EViewerAssetCategories asset_to_bin_map[LLViewerAssetType::AT_COUNT] =
-		{
-			LLViewerAssetStats::EVACTextureTempHTTPGet,			// (0) AT_TEXTURE
-			LLViewerAssetStats::EVACSoundUDPGet,				// AT_SOUND
-			LLViewerAssetStats::EVACOtherGet,					// AT_CALLINGCARD
-			LLViewerAssetStats::EVACOtherGet,					// AT_LANDMARK
-			LLViewerAssetStats::EVACOtherGet,					// AT_SCRIPT
-			LLViewerAssetStats::EVACWearableUDPGet,				// AT_CLOTHING
-			LLViewerAssetStats::EVACOtherGet,					// AT_OBJECT
-			LLViewerAssetStats::EVACOtherGet,					// AT_NOTECARD
-			LLViewerAssetStats::EVACOtherGet,					// AT_CATEGORY
-			LLViewerAssetStats::EVACOtherGet,					// AT_ROOT_CATEGORY
-			LLViewerAssetStats::EVACOtherGet,					// (10) AT_LSL_TEXT
-			LLViewerAssetStats::EVACOtherGet,					// AT_LSL_BYTECODE
-			LLViewerAssetStats::EVACOtherGet,					// AT_TEXTURE_TGA
-			LLViewerAssetStats::EVACWearableUDPGet,				// AT_BODYPART
-			LLViewerAssetStats::EVACOtherGet,					// AT_TRASH
-			LLViewerAssetStats::EVACOtherGet,					// AT_SNAPSHOT_CATEGORY
-			LLViewerAssetStats::EVACOtherGet,					// AT_LOST_AND_FOUND
-			LLViewerAssetStats::EVACSoundUDPGet,				// AT_SOUND_WAV
-			LLViewerAssetStats::EVACOtherGet,					// AT_IMAGE_TGA
-			LLViewerAssetStats::EVACOtherGet,					// AT_IMAGE_JPEG
-			LLViewerAssetStats::EVACGestureUDPGet,				// (20) AT_ANIMATION
-			LLViewerAssetStats::EVACGestureUDPGet,				// AT_GESTURE
-			LLViewerAssetStats::EVACOtherGet,					// AT_SIMSTATE
-			LLViewerAssetStats::EVACOtherGet,					// AT_FAVORITE
-			LLViewerAssetStats::EVACOtherGet,					// AT_LINK
-			LLViewerAssetStats::EVACOtherGet,					// AT_LINK_FOLDER
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// (30)
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// (40)
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					//
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// 
-			LLViewerAssetStats::EVACOtherGet,					// AT_MESH
-																// (50)
-		};
-	
-	if (at < 0 || at >= LLViewerAssetType::AT_COUNT)
-	{
-		return LLViewerAssetStats::EVACOtherGet;
-	}
-	LLViewerAssetStats::EViewerAssetCategories ret(asset_to_bin_map[at]);
-	if (LLViewerAssetStats::EVACTextureTempHTTPGet == ret)
-	{
-		// Indexed with [is_temp][with_http]
-		static const LLViewerAssetStats::EViewerAssetCategories texture_bin_map[2][2] =
-			{
-				{
-					LLViewerAssetStats::EVACTextureNonTempUDPGet,
-					LLViewerAssetStats::EVACTextureNonTempHTTPGet,
-				},
-				{
-					LLViewerAssetStats::EVACTextureTempUDPGet,
-					LLViewerAssetStats::EVACTextureTempHTTPGet,
-				}
-			};
-
-		ret = texture_bin_map[is_temp][with_http];
-	}
-	return ret;
 }
 
-} // anonymous namespace
+LLViewerAssetStats::AssetStats::AssetStats() 
+:	regions("regions"),
+	duration("duration"),
+	avatar("avatar"),
+	session_id("session_id"),
+	agent_id("agent_id"),
+	message("message"),
+	sequence("sequence"),
+	initial("initial"),
+	break_("break")
+{}
diff --git a/indra/newview/llviewerassetstats.h b/indra/newview/llviewerassetstats.h
index 8319752230..835df89149 100644
--- a/indra/newview/llviewerassetstats.h
+++ b/indra/newview/llviewerassetstats.h
@@ -37,6 +37,7 @@
 #include "llsimplestat.h"
 #include "llsd.h"
 #include "llvoavatar.h"
+#include "lltrace.h"
 
 /**
  * @class LLViewerAssetStats
@@ -76,20 +77,6 @@
 class LLViewerAssetStats
 {
 public:
-	enum EViewerAssetCategories
-	{
-		EVACTextureTempHTTPGet,			//< Texture GETs - temp/baked, HTTP
-		EVACTextureTempUDPGet,			//< Texture GETs - temp/baked, UDP
-		EVACTextureNonTempHTTPGet,		//< Texture GETs - perm, HTTP
-		EVACTextureNonTempUDPGet,		//< Texture GETs - perm, UDP
-		EVACWearableUDPGet,				//< Wearable GETs
-		EVACSoundUDPGet,				//< Sound GETs
-		EVACGestureUDPGet,				//< Gesture GETs
-		EVACOtherGet,					//< Other GETs
-		
-		EVACCount						// Must be last
-	};
-
 	/**
 	 * Type for duration and other time values in the metrics.  Selected
 	 * for compatibility with the pre-existing timestamp on the texture
@@ -104,59 +91,87 @@ public:
 	 */
 	typedef U64 region_handle_t;
 
-	/**
-	 * @brief Collected data for a single region visited by the avatar.
-	 *
-	 * Fairly simple, for each asset bin enumerated above a count
-	 * of enqueue and dequeue operations and simple stats on response
-	 * times for completed requests.
-	 */
-	class PerRegionStats : public LLRefCount
+	struct AssetRequestType : public LLInitParam::Block<AssetRequestType>
+	{
+		Mandatory<S32>	enqueued,
+						dequeued,
+						resp_count;
+		Mandatory<F64>	resp_min,
+						resp_max,
+						resp_mean;
+	
+		AssetRequestType();
+	};
+
+	struct FPSStats : public LLInitParam::Block<FPSStats>
+	{
+		Mandatory<S32>	count;
+		Mandatory<F64>	min,
+						max,
+						mean;
+		FPSStats();
+	};
+
+	struct RegionStats : public LLInitParam::Block<RegionStats>
 	{
-	public:
-		PerRegionStats(const region_handle_t region_handle)
-			: LLRefCount(),
-			  mRegionHandle(region_handle)
-			{
-				reset();
-			}
-
-		PerRegionStats(const PerRegionStats & src)
-			: LLRefCount(),
-			  mRegionHandle(src.mRegionHandle),
-			  mTotalTime(src.mTotalTime),
-			  mStartTimestamp(src.mStartTimestamp),
-			  mFPS(src.mFPS)
-			{
-				for (int i = 0; i < LL_ARRAY_SIZE(mRequests); ++i)
-				{
-					mRequests[i] = src.mRequests[i];
-				}
-			}
-
-		// Default assignment and destructor are correct.
-		
-		void reset();
-
-		void merge(const PerRegionStats & src);
-		
-		// Apply current running time to total and reset start point.
-		// Return current timestamp as a convenience.
-		void accumulateTime(duration_t now);
-		
-	public:
-		region_handle_t		mRegionHandle;
-		duration_t			mTotalTime;
-		duration_t			mStartTimestamp;
-		LLSimpleStatMMM<>	mFPS;
-		
-		struct prs_group
-		{
-			LLSimpleStatCounter			mEnqueued;
-			LLSimpleStatCounter			mDequeued;
-			LLSimpleStatMMM<duration_t>	mResponse;
-		}
-		mRequests [EVACCount];
+		Optional<AssetRequestType>	get_texture_temp_http,
+									get_texture_temp_udp,
+									get_texture_non_temp_http,
+									get_texture_non_temp_udp,
+									get_wearable_udp,
+									get_sound_udp,
+									get_gesture_udp,
+									get_other;
+		Optional<FPSStats>			fps;
+		Optional<S32>				grid_x,
+									grid_y;
+		Optional<F64>				duration;
+
+		RegionStats();
+	};
+
+	struct AvatarRezState : public LLInitParam::Block<AvatarRezState>
+	{
+		Mandatory<S32>	cloud,
+						gray,
+						textured;
+		AvatarRezState();
+	};
+
+	struct AvatarPhaseStats : public LLInitParam::Block<AvatarPhaseStats>
+	{
+		Mandatory<LLSD>	cloud,
+						cloud_or_gray;
+
+		AvatarPhaseStats()
+		:	cloud("cloud"),
+			cloud_or_gray("cloud-or-gray")
+		{}
+	};
+
+	struct AvatarInfo : public LLInitParam::Block<AvatarInfo>
+	{
+		Optional<AvatarRezState> nearby;
+		Optional<AvatarPhaseStats> phase_stats;
+
+		AvatarInfo();
+	};
+
+	struct AssetStats : public LLInitParam::Block<AssetStats>
+	{
+		Multiple<RegionStats>	regions;
+		Mandatory<F64>			duration;
+		Mandatory<AvatarInfo>	avatar;
+
+		Mandatory<LLUUID>		session_id,
+								agent_id;
+
+		Mandatory<std::string>	message;
+		Mandatory<S32>			sequence;
+		Mandatory<bool>			initial,
+								break_;
+
+		AssetStats();
 	};
 
 public:
@@ -174,88 +189,31 @@ public:
 	// collection calls.
 	void setRegion(region_handle_t region_handle);
 
-	// Asset GET Requests
-	void recordGetEnqueued(LLViewerAssetType::EType at, bool with_http, bool is_temp);
-	void recordGetDequeued(LLViewerAssetType::EType at, bool with_http, bool is_temp);
-	void recordGetServiced(LLViewerAssetType::EType at, bool with_http, bool is_temp, duration_t duration);
-
-	// Frames-Per-Second Samples
-	void recordFPS(F32 fps);
-
 	// Avatar-related statistics
 	void recordAvatarStats();
 
-	// Merge a source instance into a destination instance.  This is
-	// conceptually an 'operator+=()' method:
-	// - counts are added
-	// - minimums are min'd
-	// - maximums are max'd
-	// - other scalars are ignored ('this' wins)
-	//
-	void merge(const LLViewerAssetStats & src);
-	
+	// gather latest metrics data
+	// call from main thread
+	void updateStats();
+
 	// Retrieve current metrics for all visited regions (NULL region UUID/handle excluded)
-    // Returned LLSD is structured as follows:
-	//
-	// &stats_group = {
-	//   enqueued   : int,
-	//   dequeued   : int,
-	//   resp_count : int,
-	//   resp_min   : float,
-	//   resp_max   : float,
-	//   resp_mean  : float
-	// }
-	//
-	// &mmm_group = {
-	//   count : int,
-	//   min   : float,
-	//   max   : float,
-	//   mean  : float
-	// }
-	//
-	// {
-	//   duration: int
-	//   regions: {
-	//     $: {			// Keys are strings of the region's handle in hex
-	//       duration:                 : int,
-	//		 fps:					   : &mmm_group,
-	//       get_texture_temp_http     : &stats_group,
-	//       get_texture_temp_udp      : &stats_group,
-	//       get_texture_non_temp_http : &stats_group,
-	//       get_texture_non_temp_udp  : &stats_group,
-	//       get_wearable_udp          : &stats_group,
-	//       get_sound_udp             : &stats_group,
-	//       get_gesture_udp           : &stats_group,
-	//       get_other                 : &stats_group
-	//     }
-	//   }
-	// }
-	//
-	// @param	compact_output		If true, omits from conversion any mmm_block
-	//								or stats_block that would contain all zero data.
-	//								Useful for transmission when the receiver knows
-	//								what is expected and will assume zero for missing
-	//								blocks.
+    // Uses AssetStats structure seen above
+	void getStats(AssetStats& stats, bool compact_output);
 	LLSD asLLSD(bool compact_output);
 
 protected:
-	typedef std::map<region_handle_t, LLPointer<PerRegionStats> > PerRegionContainer;
+	typedef std::map<region_handle_t, LLTrace::Recording > PerRegionRecordingContainer;
 
 	// Region of the currently-active region.  Always valid but may
 	// be zero after construction or when explicitly set.  Unchanged
 	// by a reset() call.
 	region_handle_t mRegionHandle;
 
-	// Pointer to metrics collection for currently-active region.  Always
-	// valid and unchanged after reset() though contents will be changed.
-	// Always points to a collection contained in mRegionStats.
-	LLPointer<PerRegionStats> mCurRegionStats;
+	// Pointer to metrics collection for currently-active region.  
+	LLTrace::Recording*			mCurRecording;
 
 	// Metrics data for all regions during one collection cycle
-	PerRegionContainer mRegionStats;
-
-	// Time of last reset
-	duration_t mResetTimestamp;
+	PerRegionRecordingContainer mRegionRecordings;
 
 	// Nearby avatar stats
 	std::vector<S32> mAvatarRezStates;
@@ -277,12 +235,24 @@ protected:
  *  - Main:  main() program execution thread
  *  - Thread1:  TextureFetch worker thread
  */
-extern LLViewerAssetStats * gViewerAssetStatsMain;
-
-extern LLViewerAssetStats * gViewerAssetStatsThread1;
+extern LLViewerAssetStats * gViewerAssetStats;
 
 namespace LLViewerAssetStatsFF
 {
+	enum EViewerAssetCategories
+	{
+		EVACTextureTempHTTPGet,			//< Texture GETs - temp/baked, HTTP
+		EVACTextureTempUDPGet,			//< Texture GETs - temp/baked, UDP
+		EVACTextureNonTempHTTPGet,		//< Texture GETs - perm, HTTP
+		EVACTextureNonTempUDPGet,		//< Texture GETs - perm, UDP
+		EVACWearableUDPGet,				//< Wearable GETs
+		EVACSoundUDPGet,				//< Sound GETs
+		EVACGestureUDPGet,				//< Gesture GETs
+		EVACOtherGet,					//< Other GETs
+
+		EVACCount						// Must be last
+	};
+
 /**
  * @brief Allocation and deallocation of globals.
  *
@@ -307,31 +277,17 @@ inline LLViewerAssetStats::duration_t get_timestamp()
 /**
  * Region context, event and duration loggers for the Main thread.
  */
-void set_region_main(LLViewerAssetStats::region_handle_t region_handle);
+void set_region(LLViewerAssetStats::region_handle_t region_handle);
 
-void record_enqueue_main(LLViewerAssetType::EType at, bool with_http, bool is_temp);
+void record_enqueue(LLViewerAssetType::EType at, bool with_http, bool is_temp);
 
-void record_dequeue_main(LLViewerAssetType::EType at, bool with_http, bool is_temp);
+void record_dequeue(LLViewerAssetType::EType at, bool with_http, bool is_temp);
 
-void record_response_main(LLViewerAssetType::EType at, bool with_http, bool is_temp,
+void record_response(LLViewerAssetType::EType at, bool with_http, bool is_temp,
 						  LLViewerAssetStats::duration_t duration);
 
-void record_fps_main(F32 fps);
-
 void record_avatar_stats();
 
-/**
- * Region context, event and duration loggers for Thread 1.
- */
-void set_region_thread1(LLViewerAssetStats::region_handle_t region_handle);
-
-void record_enqueue_thread1(LLViewerAssetType::EType at, bool with_http, bool is_temp);
-
-void record_dequeue_thread1(LLViewerAssetType::EType at, bool with_http, bool is_temp);
-
-void record_response_thread1(LLViewerAssetType::EType at, bool with_http, bool is_temp,
-						  LLViewerAssetStats::duration_t duration);
-
 } // namespace LLViewerAssetStatsFF
 
 #endif // LL_LLVIEWERASSETSTATUS_H
diff --git a/indra/newview/llviewerassetstorage.cpp b/indra/newview/llviewerassetstorage.cpp
index d042f62830..6f41abbd8a 100644
--- a/indra/newview/llviewerassetstorage.cpp
+++ b/indra/newview/llviewerassetstorage.cpp
@@ -73,8 +73,8 @@ protected:
 			{
 				// Okay, it appears this request was used for useful things.  Record
 				// the expected dequeue and duration of request processing.
-				LLViewerAssetStatsFF::record_dequeue_main(mType, false, false);
-				LLViewerAssetStatsFF::record_response_main(mType, false, false,
+				LLViewerAssetStatsFF::record_dequeue(mType, false, false);
+				LLViewerAssetStatsFF::record_response(mType, false, false,
 														   (LLViewerAssetStatsFF::get_timestamp()
 															- mMetricsStartTime));
 				mMetricsStartTime = 0;
@@ -373,7 +373,7 @@ void LLViewerAssetStorage::_queueDataRequest(
 			LLTransferTargetChannel *ttcp = gTransferManager.getTargetChannel(mUpstreamHost, LLTCT_ASSET);
 			ttcp->requestTransfer(spa, tpvf, 100.f + (is_priority ? 1.f : 0.f));
 
-			LLViewerAssetStatsFF::record_enqueue_main(atype, false, false);
+			LLViewerAssetStatsFF::record_enqueue(atype, false, false);
 		}
 	}
 	else
diff --git a/indra/newview/llviewercamera.cpp b/indra/newview/llviewercamera.cpp
index a437a8b3b5..f74897daa7 100644
--- a/indra/newview/llviewercamera.cpp
+++ b/indra/newview/llviewercamera.cpp
@@ -49,10 +49,14 @@
 #include "llglheaders.h"
 #include "llquaternion.h"
 #include "llwindow.h"			// getPixelAspectRatio()
+#include "lltracerecording.h"
 
 // System includes
 #include <iomanip> // for setprecision
 
+LLTrace::Count<> LLViewerCamera::sVelocityStat("camera_velocity");
+LLTrace::Count<> LLViewerCamera::sAngularVelocityStat("camera_angular_velocity");
+
 U32 LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
 
 //glu pick matrix implementation borrowed from Mesa3D
@@ -163,11 +167,11 @@ void LLViewerCamera::updateCameraLocation(const LLVector3 &center,
 	F32 drot;
 	rotation.getAngleAxis(&drot, &x, &y, &z);
 
-	mVelocityStat.addValue(dpos);
-	mAngularVelocityStat.addValue(drot);
+	sVelocityStat.add(dpos);
+	sAngularVelocityStat.add(drot);
 	
-	mAverageSpeed = mVelocityStat.getMeanPerSec() ;
-	mAverageAngularSpeed = mAngularVelocityStat.getMeanPerSec() ;
+	mAverageSpeed = LLTrace::get_frame_recording().getPeriodMeanPerSec(sVelocityStat);
+	mAverageAngularSpeed = LLTrace::get_frame_recording().getPeriodMeanPerSec(sAngularVelocityStat);
 	mCosHalfCameraFOV = cosf(0.5f * getView() * llmax(1.0f, getAspect()));
 
 	// update pixel meter ratio using default fov, not modified one
diff --git a/indra/newview/llviewercamera.h b/indra/newview/llviewercamera.h
index b857c7fe89..607bfa7199 100644
--- a/indra/newview/llviewercamera.h
+++ b/indra/newview/llviewercamera.h
@@ -29,10 +29,10 @@
 
 #include "llcamera.h"
 #include "llsingleton.h"
-#include "llstat.h"
 #include "lltimer.h"
 #include "m4math.h"
 #include "llcoord.h"
+#include "lltrace.h"
 
 class LLViewerObject;
 
@@ -101,8 +101,8 @@ public:
 	BOOL projectPosAgentToScreenEdge(const LLVector3 &pos_agent, LLCoordGL &out_point) const;
 
 	const LLVector3* getVelocityDir() const {return &mVelocityDir;}
-	LLStat *getVelocityStat() { return &mVelocityStat; }
-	LLStat *getAngularVelocityStat() { return &mAngularVelocityStat; }
+	static LLTrace::Count<>* getVelocityStat()		   {return &sVelocityStat; }
+	static LLTrace::Count<>* getAngularVelocityStat()  {return &sAngularVelocityStat; }
 	F32     getCosHalfFov() {return mCosHalfCameraFOV;}
 	F32     getAverageSpeed() {return mAverageSpeed ;}
 	F32     getAverageAngularSpeed() {return mAverageAngularSpeed;}
@@ -117,9 +117,9 @@ public:
 	F32 getDefaultFOV() { return mCameraFOVDefault; }
 
 	BOOL cameraUnderWater() const;
+	BOOL areVertsVisible(LLViewerObject* volumep, BOOL all_verts);
 
 	const LLVector3 &getPointOfInterest() { return mLastPointOfInterest; }
-	BOOL areVertsVisible(LLViewerObject* volumep, BOOL all_verts);
 	F32 getPixelMeterRatio() const				{ return mPixelMeterRatio; }
 	S32 getScreenPixelArea() const				{ return mScreenPixelArea; }
 
@@ -130,12 +130,12 @@ public:
 protected:
 	void calcProjection(const F32 far_distance) const;
 
-	LLStat mVelocityStat;
-	LLStat mAngularVelocityStat;
+	static LLTrace::Count<> sVelocityStat;
+	static LLTrace::Count<> sAngularVelocityStat;
+
 	LLVector3 mVelocityDir ;
 	F32       mAverageSpeed ;
 	F32       mAverageAngularSpeed ;
-
 	mutable LLMatrix4	mProjectionMatrix;	// Cache of perspective matrix
 	mutable LLMatrix4	mModelviewMatrix;
 	F32					mCameraFOVDefault;
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index d58ee05fb6..41a08398bb 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -168,7 +168,6 @@ static LLFastTimer::DeclareTimer FTM_UPDATE_CAMERA("Update Camera");
 void display_update_camera()
 {
 	LLFastTimer t(FTM_UPDATE_CAMERA);
-	LLMemType mt_uc(LLMemType::MTYPE_DISPLAY_UPDATE_CAMERA);
 	// TODO: cut draw distance down if customizing avatar?
 	// TODO: cut draw distance on per-parcel basis?
 
@@ -218,7 +217,7 @@ static LLFastTimer::DeclareTimer FTM_UPDATE_SKY("Update Sky");
 static LLFastTimer::DeclareTimer FTM_UPDATE_TEXTURES("Update Textures");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE("Update Images");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_CLASS("Class");
-static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_BUMP("Bump");
+static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_BUMP("Image Update Bump");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_LIST("List");
 static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_DELETE("Delete");
 static LLFastTimer::DeclareTimer FTM_RESIZE_WINDOW("Resize Window");
@@ -230,7 +229,6 @@ static LLFastTimer::DeclareTimer FTM_TELEPORT_DISPLAY("Teleport Display");
 // Paint the display!
 void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 {
-	LLMemType mt_render(LLMemType::MTYPE_RENDER);
 	LLFastTimer t(FTM_RENDER);
 
 	if (gWindowResized)
@@ -581,7 +579,6 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 	
 	if (!gDisconnected)
 	{
-		LLMemType mt_du(LLMemType::MTYPE_DISPLAY_UPDATE);
 		LLAppViewer::instance()->pingMainloopTimeout("Display:Update");
 		if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
 		{ //don't draw hud objects in this frame
@@ -603,7 +600,6 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		// *TODO: merge these two methods
 		{
 			LLFastTimer t(FTM_HUD_UPDATE);
-			LLMemType mt_uh(LLMemType::MTYPE_DISPLAY_UPDATE_HUD);
 			LLHUDManager::getInstance()->updateEffects();
 			LLHUDObject::updateAll();
 			stop_glerror();
@@ -611,8 +607,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 
 		{
 			LLFastTimer t(FTM_DISPLAY_UPDATE_GEOM);
-			LLMemType mt_ug(LLMemType::MTYPE_DISPLAY_UPDATE_GEOM);
-			const F32 max_geom_update_time = 0.005f*10.f*gFrameIntervalSeconds; // 50 ms/second update time
+			const F32 max_geom_update_time = 0.005f*10.f*gFrameIntervalSeconds.value(); // 50 ms/second update time
 			gPipeline.createObjects(max_geom_update_time);
 			gPipeline.processPartitionQ();
 			gPipeline.updateGeom(max_geom_update_time);
@@ -672,8 +667,6 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		LLAppViewer::instance()->pingMainloopTimeout("Display:Swap");
 		
 		{ 
-			LLMemType mt_ds(LLMemType::MTYPE_DISPLAY_SWAP);
-
 			if (gResizeScreenTexture)
 			{
 				gResizeScreenTexture = FALSE;
@@ -732,7 +725,6 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 
 		//if (!for_snapshot)
 		{
-			LLMemType mt_gw(LLMemType::MTYPE_DISPLAY_GEN_REFLECTION);
 			LLAppViewer::instance()->pingMainloopTimeout("Display:Imagery");
 			gPipeline.generateWaterReflection(*LLViewerCamera::getInstance());
 			gPipeline.generateHighlight(*LLViewerCamera::getInstance());
@@ -752,13 +744,14 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		LLAppViewer::instance()->pingMainloopTimeout("Display:UpdateImages");
 		
 		{
-			LLMemType mt_iu(LLMemType::MTYPE_DISPLAY_IMAGE_UPDATE);
 			LLFastTimer t(FTM_IMAGE_UPDATE);
 			
 			{
 				LLFastTimer t(FTM_IMAGE_UPDATE_CLASS);
-				LLViewerTexture::updateClass(LLViewerCamera::getInstance()->getVelocityStat()->getMean(),
-											LLViewerCamera::getInstance()->getAngularVelocityStat()->getMean());
+				LLTrace::Count<>* velocity_stat = LLViewerCamera::getVelocityStat();
+				LLTrace::Count<>* angular_velocity_stat = LLViewerCamera::getAngularVelocityStat();
+				LLViewerTexture::updateClass(LLTrace::get_frame_recording().getPeriodMeanPerSec(*velocity_stat),
+											LLTrace::get_frame_recording().getPeriodMeanPerSec(*angular_velocity_stat));
 			}
 
 			
@@ -769,7 +762,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 
 			{
 				LLFastTimer t(FTM_IMAGE_UPDATE_LIST);
-				F32 max_image_decode_time = 0.050f*gFrameIntervalSeconds; // 50 ms/second decode time
+				F32 max_image_decode_time = 0.050f*gFrameIntervalSeconds.value(); // 50 ms/second decode time
 				max_image_decode_time = llclamp(max_image_decode_time, 0.002f, 0.005f ); // min 2ms/frame, max 5ms/frame)
 				gTextureList.updateImages(max_image_decode_time);
 			}
@@ -796,7 +789,6 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		LLAppViewer::instance()->pingMainloopTimeout("Display:StateSort");
 		{
 			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
-			LLMemType mt_ss(LLMemType::MTYPE_DISPLAY_STATE_SORT);
 			gPipeline.stateSort(*LLViewerCamera::getInstance(), result);
 			stop_glerror();
 				
@@ -818,7 +810,6 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		LLPipeline::sUseOcclusion = occlusion;
 
 		{
-			LLMemType mt_ds(LLMemType::MTYPE_DISPLAY_SKY);
 			LLAppViewer::instance()->pingMainloopTimeout("Display:Sky");
 			LLFastTimer t(FTM_UPDATE_SKY);	
 			gSky.updateSky();
@@ -907,7 +898,6 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 				&& !gRestoreGL)
 		{
 			LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
-			LLMemType mt_rg(LLMemType::MTYPE_DISPLAY_RENDER_GEOM);
 
 			if (gSavedSettings.getBOOL("RenderDepthPrePass") && LLGLSLShader::sNoFixedFunction)
 			{
@@ -968,7 +958,6 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		
 		if (to_texture)
 		{
-			LLMemType mt_rf(LLMemType::MTYPE_DISPLAY_RENDER_FLUSH);
 			if (LLPipeline::sRenderDeferred && !LLPipeline::sUnderWaterRender)
 			{
 				gPipeline.mDeferredScreen.flush();
@@ -1035,7 +1024,6 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 
 void render_hud_attachments()
 {
-	LLMemType mt_ra(LLMemType::MTYPE_DISPLAY_RENDER_ATTACHMENTS);
 	gGL.matrixMode(LLRender::MM_PROJECTION);
 	gGL.pushMatrix();
 	gGL.matrixMode(LLRender::MM_MODELVIEW);
@@ -1225,7 +1213,6 @@ static LLFastTimer::DeclareTimer FTM_SWAP("Swap");
 
 void render_ui(F32 zoom_factor, int subfield)
 {
-	LLMemType mt_ru(LLMemType::MTYPE_DISPLAY_RENDER_UI);
 	LLGLState::checkStates();
 	
 	glh::matrix4f saved_view = glh_get_current_modelview();
diff --git a/indra/newview/llviewerfloaterreg.cpp b/indra/newview/llviewerfloaterreg.cpp
index 1f7cf0cdd4..69586e3634 100644
--- a/indra/newview/llviewerfloaterreg.cpp
+++ b/indra/newview/llviewerfloaterreg.cpp
@@ -73,7 +73,6 @@
 #include "llfloaterinspect.h"
 #include "llfloaterinventory.h"
 #include "llfloaterjoystick.h"
-#include "llfloaterlagmeter.h"
 #include "llfloaterland.h"
 #include "llfloaterlandholdings.h"
 #include "llfloatermap.h"
@@ -227,7 +226,6 @@ void LLViewerFloaterReg::registerFloaters()
 	LLNotificationsUI::registerFloater();
 	LLFloaterDisplayNameUtil::registerFloater();
 	
-	LLFloaterReg::add("lagmeter", "floater_lagmeter.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterLagMeter>);
 	LLFloaterReg::add("land_holdings", "floater_land_holdings.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterLandHoldings>);
 	
 	LLFloaterReg::add("mem_leaking", "floater_mem_leaking.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterMemLeak>);
diff --git a/indra/newview/llviewerjoystick.cpp b/indra/newview/llviewerjoystick.cpp
index f6e840adcd..f4155df4d1 100644
--- a/indra/newview/llviewerjoystick.cpp
+++ b/indra/newview/llviewerjoystick.cpp
@@ -501,7 +501,7 @@ void LLViewerJoystick::moveObjects(bool reset)
 	};
 
 	F32 cur_delta[6];
-	F32 time = gFrameIntervalSeconds;
+	F32 time = gFrameIntervalSeconds.value();
 
 	// avoid making ridicously big movements if there's a big drop in fps 
 	if (time > .2f)
@@ -665,7 +665,7 @@ void LLViewerJoystick::moveAvatar(bool reset)
 	};
 
 	// time interval in seconds between this frame and the previous
-	F32 time = gFrameIntervalSeconds;
+	F32 time = gFrameIntervalSeconds.value();
 
 	// avoid making ridicously big movements if there's a big drop in fps 
 	if (time > .2f)
@@ -878,7 +878,7 @@ void LLViewerJoystick::moveFlycam(bool reset)
 		gSavedSettings.getF32("FlycamAxisDeadZone6")
 	};
 
-	F32 time = gFrameIntervalSeconds;
+	F32 time = gFrameIntervalSeconds.value();
 
 	// avoid making ridiculously big movements if there's a big drop in fps 
 	if (time > .2f)
diff --git a/indra/newview/llviewerkeyboard.cpp b/indra/newview/llviewerkeyboard.cpp
index 1aa9fd8a45..f5d3341c66 100644
--- a/indra/newview/llviewerkeyboard.cpp
+++ b/indra/newview/llviewerkeyboard.cpp
@@ -160,6 +160,11 @@ void agent_push_backward( EKeystate s )
 		camera_move_backward(s);
 		return;
 	}
+	else if (gAgentAvatarp->isSitting())
+	{
+		gAgentCamera.changeCameraToThirdPerson();
+		return;
+	}
 	agent_push_forwardbackward(s, -1, LLAgent::DOUBLETAP_BACKWARD);
 }
 
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index d11e7e32c7..1ba78f18d3 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -341,7 +341,8 @@ LLMenuParcelObserver::~LLMenuParcelObserver()
 
 void LLMenuParcelObserver::changed()
 {
-	gMenuHolder->childSetEnabled("Land Buy Pass", LLPanelLandGeneral::enableBuyPass(NULL));
+	LLParcel *parcel = LLViewerParcelMgr::getInstance()->getParcelSelection()->getParcel();
+	gMenuHolder->childSetEnabled("Land Buy Pass", LLPanelLandGeneral::enableBuyPass(NULL) && !(parcel->getOwnerID()== gAgent.getID()));
 	
 	BOOL buyable = enable_buy_land(NULL);
 	gMenuHolder->childSetEnabled("Land Buy", buyable);
@@ -1316,22 +1317,6 @@ class LLAdvancedPrintAgentInfo : public view_listener_t
 	}
 };
 
-
-
-////////////////////////////////
-// PRINT TEXTURE MEMORY STATS //
-////////////////////////////////
-
-
-class LLAdvancedPrintTextureMemoryStats : public view_listener_t
-{
-	bool handleEvent(const LLSD& userdata)
-	{
-		output_statistics(NULL);
-		return true;
-	}
-};
-
 //////////////////
 // DEBUG CLICKS //
 //////////////////
@@ -3463,6 +3448,20 @@ bool enable_sitdown_self()
     return isAgentAvatarValid() && !gAgentAvatarp->isSitting() && !gAgent.getFlying();
 }
 
+class LLCheckPanelPeopleTab : public view_listener_t
+{
+	bool handleEvent(const LLSD& userdata)
+		{
+			std::string panel_name = userdata.asString();
+
+			LLPanel *panel = LLFloaterSidePanelContainer::getPanel("people", panel_name);
+			if(panel && panel->isInVisibleChain())
+			{
+				return true;
+			}
+			return false;
+		}
+};
 // Toggle one of "People" panel tabs in side tray.
 class LLTogglePanelPeopleTab : public view_listener_t
 {
@@ -3940,6 +3939,7 @@ class LLViewToggleUI : public view_listener_t
 		if (option == 0) // OK
 		{
 			gViewerWindow->setUIVisibility(!gViewerWindow->getUIVisibility());
+			LLPanelStandStopFlying::getInstance()->setVisible(gViewerWindow->getUIVisibility());
 		}
 	}
 };
@@ -3973,72 +3973,6 @@ void handle_duplicate_in_place(void*)
 	LLSelectMgr::getInstance()->selectDuplicate(offset, TRUE);
 }
 
-/* dead code 30-apr-2008
-void handle_deed_object_to_group(void*)
-{
-	LLUUID group_id;
-	
-	LLSelectMgr::getInstance()->selectGetGroup(group_id);
-	LLSelectMgr::getInstance()->sendOwner(LLUUID::null, group_id, FALSE);
-	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_RELEASE_COUNT);
-}
-
-BOOL enable_deed_object_to_group(void*)
-{
-	if(LLSelectMgr::getInstance()->getSelection()->isEmpty()) return FALSE;
-	LLPermissions perm;
-	LLUUID group_id;
-
-	if (LLSelectMgr::getInstance()->selectGetGroup(group_id) &&
-		gAgent.hasPowerInGroup(group_id, GP_OBJECT_DEED) &&
-		LLSelectMgr::getInstance()->selectGetPermissions(perm) &&
-		perm.deedToGroup(gAgent.getID(), group_id))
-	{
-		return TRUE;
-	}
-	return FALSE;
-}
-
-*/
-
-
-/*
- * No longer able to support viewer side manipulations in this way
- *
-void god_force_inv_owner_permissive(LLViewerObject* object,
-									LLInventoryObject::object_list_t* inventory,
-									S32 serial_num,
-									void*)
-{
-	typedef std::vector<LLPointer<LLViewerInventoryItem> > item_array_t;
-	item_array_t items;
-
-	LLInventoryObject::object_list_t::const_iterator inv_it = inventory->begin();
-	LLInventoryObject::object_list_t::const_iterator inv_end = inventory->end();
-	for ( ; inv_it != inv_end; ++inv_it)
-	{
-		if(((*inv_it)->getType() != LLAssetType::AT_CATEGORY))
-		{
-			LLInventoryObject* obj = *inv_it;
-			LLPointer<LLViewerInventoryItem> new_item = new LLViewerInventoryItem((LLViewerInventoryItem*)obj);
-			LLPermissions perm(new_item->getPermissions());
-			perm.setMaskBase(PERM_ALL);
-			perm.setMaskOwner(PERM_ALL);
-			new_item->setPermissions(perm);
-			items.push_back(new_item);
-		}
-	}
-	item_array_t::iterator end = items.end();
-	item_array_t::iterator it;
-	for(it = items.begin(); it != end; ++it)
-	{
-		// since we have the inventory item in the callback, it should not
-		// invalidate iteration through the selection manager.
-		object->updateInventory((*it), TASK_INVENTORY_ITEM_KEY, false);
-	}
-}
-*/
-
 void handle_object_owner_permissive(void*)
 {
 	// only send this if they're a god.
@@ -8432,7 +8366,6 @@ void initialize_menus()
 	commit.add("Advanced.DumpFocusHolder", boost::bind(&handle_dump_focus) );
 	view_listener_t::addMenu(new LLAdvancedPrintSelectedObjectInfo(), "Advanced.PrintSelectedObjectInfo");
 	view_listener_t::addMenu(new LLAdvancedPrintAgentInfo(), "Advanced.PrintAgentInfo");
-	view_listener_t::addMenu(new LLAdvancedPrintTextureMemoryStats(), "Advanced.PrintTextureMemoryStats");
 	view_listener_t::addMenu(new LLAdvancedToggleDebugClicks(), "Advanced.ToggleDebugClicks");
 	view_listener_t::addMenu(new LLAdvancedCheckDebugClicks(), "Advanced.CheckDebugClicks");
 	view_listener_t::addMenu(new LLAdvancedCheckDebugViews(), "Advanced.CheckDebugViews");
@@ -8551,6 +8484,7 @@ void initialize_menus()
 
 	// we don't use boost::bind directly to delay side tray construction
 	view_listener_t::addMenu( new LLTogglePanelPeopleTab(), "SideTray.PanelPeopleTab");
+	view_listener_t::addMenu( new LLCheckPanelPeopleTab(), "SideTray.CheckPanelPeopleTab");
 
 	 // Avatar pie menu
 	view_listener_t::addMenu(new LLObjectMute(), "Avatar.Mute");
diff --git a/indra/newview/llviewermenufile.cpp b/indra/newview/llviewermenufile.cpp
index dc2ea4bd1f..50ca8db267 100644
--- a/indra/newview/llviewermenufile.cpp
+++ b/indra/newview/llviewermenufile.cpp
@@ -34,6 +34,7 @@
 #include "llfilepicker.h"
 #include "llfloaterreg.h"
 #include "llbuycurrencyhtml.h"
+#include "llfloatermap.h"
 #include "llfloatermodelpreview.h"
 #include "llfloatersnapshot.h"
 #include "llimage.h"
@@ -475,7 +476,7 @@ class LLFileEnableCloseWindow : public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
 	{
-		bool new_value = NULL != LLFloater::getClosableFloaterFromFocus();
+		bool new_value = NULL != gFloaterView->getFrontmostClosableFloater();
 		return new_value;
 	}
 };
@@ -484,8 +485,7 @@ class LLFileCloseWindow : public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
 	{
-		LLFloater::closeFocusedFloater();
-
+		LLFloater::closeFrontmostFloater();
 		return true;
 	}
 };
@@ -494,7 +494,7 @@ class LLFileEnableCloseAllWindows : public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
 	{
-		bool open_children = gFloaterView->allChildrenClosed();
+		bool open_children = gFloaterView->allChildrenClosed() && !LLFloaterSnapshot::getInstance()->isInVisibleChain();
 		return !open_children;
 	}
 };
@@ -505,7 +505,7 @@ class LLFileCloseAllWindows : public view_listener_t
 	{
 		bool app_quitting = false;
 		gFloaterView->closeAllChildren(app_quitting);
-
+		LLFloaterSnapshot::getInstance()->closeFloater(app_quitting);
 		return true;
 	}
 };
@@ -1096,17 +1096,17 @@ void upload_new_resource(
 	
 	if( LLAssetType::AT_SOUND == asset_type )
 	{
-		LLViewerStats::getInstance()->incStat(LLViewerStats::ST_UPLOAD_SOUND_COUNT );
+		LLStatViewer::UPLOAD_SOUND.add(1);
 	}
 	else
 	if( LLAssetType::AT_TEXTURE == asset_type )
 	{
-		LLViewerStats::getInstance()->incStat(LLViewerStats::ST_UPLOAD_TEXTURE_COUNT );
+		LLStatViewer::UPLOAD_TEXTURE.add(1);
 	}
 	else
 	if( LLAssetType::AT_ANIMATION == asset_type)
 	{
-		LLViewerStats::getInstance()->incStat(LLViewerStats::ST_UPLOAD_ANIM_COUNT );
+		LLStatViewer::ANIMATION_UPLOADS.add(1);
 	}
 
 	if(LLInventoryType::IT_NONE == inv_type)
@@ -1231,18 +1231,15 @@ void increase_new_upload_stats(LLAssetType::EType asset_type)
 {
 	if ( LLAssetType::AT_SOUND == asset_type )
 	{
-		LLViewerStats::getInstance()->incStat(
-			LLViewerStats::ST_UPLOAD_SOUND_COUNT );
+		LLStatViewer::UPLOAD_SOUND.add(1);
 	}
 	else if ( LLAssetType::AT_TEXTURE == asset_type )
 	{
-		LLViewerStats::getInstance()->incStat(
-			LLViewerStats::ST_UPLOAD_TEXTURE_COUNT );
+		LLStatViewer::UPLOAD_TEXTURE.add(1);
 	}
 	else if ( LLAssetType::AT_ANIMATION == asset_type )
 	{
-		LLViewerStats::getInstance()->incStat(
-			LLViewerStats::ST_UPLOAD_ANIM_COUNT );
+		LLStatViewer::ANIMATION_UPLOADS.add(1);
 	}
 }
 
diff --git a/indra/newview/llviewermenufile.h b/indra/newview/llviewermenufile.h
index 3136358b83..6bba375f50 100644
--- a/indra/newview/llviewermenufile.h
+++ b/indra/newview/llviewermenufile.h
@@ -31,6 +31,7 @@
 #include "llassetstorage.h"
 #include "llinventorytype.h"
 #include "llfilepicker.h"
+#include <queue>
 
 class LLTransactionID;
 
diff --git a/indra/newview/llviewermessage.cpp b/indra/newview/llviewermessage.cpp
index b048332e59..6da93f0653 100755
--- a/indra/newview/llviewermessage.cpp
+++ b/indra/newview/llviewermessage.cpp
@@ -2587,7 +2587,7 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 				LLSD args;
 				args["SUBJECT"] = subj;
 				args["MESSAGE"] = mes;
-				LLNotifications::instance().add(LLNotification::Params("GroupNotice").substitutions(args).payload(payload).time_stamp(timestamp));
+				LLNotifications::instance().add(LLNotification::Params("GroupNotice").substitutions(args).payload(payload).time_stamp(LLDate(timestamp)));
 			}
 
 			// Also send down the old path for now.
@@ -4416,19 +4416,18 @@ void send_agent_update(BOOL force_send, BOOL send_reliable)
 
 // *TODO: Remove this dependency, or figure out a better way to handle
 // this hack.
-extern U32 gObjectBits;
+extern LLUnit<LLUnits::Bits, U32> gObjectData;
 
 void process_object_update(LLMessageSystem *mesgsys, void **user_data)
 {	
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
 	// Update the data counters
 	if (mesgsys->getReceiveCompressedSize())
 	{
-		gObjectBits += mesgsys->getReceiveCompressedSize() * 8;
+		gObjectData += (LLUnit<LLUnits::Bytes, U32>)mesgsys->getReceiveCompressedSize();
 	}
 	else
 	{
-		gObjectBits += mesgsys->getReceiveSize() * 8;
+		gObjectData += (LLUnit<LLUnits::Bytes, U32>)mesgsys->getReceiveSize();
 	}
 
 	// Update the object...
@@ -4437,15 +4436,14 @@ void process_object_update(LLMessageSystem *mesgsys, void **user_data)
 
 void process_compressed_object_update(LLMessageSystem *mesgsys, void **user_data)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
 	// Update the data counters
 	if (mesgsys->getReceiveCompressedSize())
 	{
-		gObjectBits += mesgsys->getReceiveCompressedSize() * 8;
+		gObjectData += (LLUnit<LLUnits::Bytes, U32>)mesgsys->getReceiveCompressedSize();
 	}
 	else
 	{
-		gObjectBits += mesgsys->getReceiveSize() * 8;
+		gObjectData += (LLUnit<LLUnits::Bytes, U32>)mesgsys->getReceiveSize();
 	}
 
 	// Update the object...
@@ -4454,15 +4452,14 @@ void process_compressed_object_update(LLMessageSystem *mesgsys, void **user_data
 
 void process_cached_object_update(LLMessageSystem *mesgsys, void **user_data)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
 	// Update the data counters
 	if (mesgsys->getReceiveCompressedSize())
 	{
-		gObjectBits += mesgsys->getReceiveCompressedSize() * 8;
+		gObjectData += (LLUnit<LLUnits::Bytes, U32>)mesgsys->getReceiveCompressedSize();
 	}
 	else
 	{
-		gObjectBits += mesgsys->getReceiveSize() * 8;
+		gObjectData += (LLUnit<LLUnits::Bytes, U32>)mesgsys->getReceiveSize();
 	}
 
 	// Update the object...
@@ -4472,20 +4469,19 @@ void process_cached_object_update(LLMessageSystem *mesgsys, void **user_data)
 
 void process_terse_object_update_improved(LLMessageSystem *mesgsys, void **user_data)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
 	if (mesgsys->getReceiveCompressedSize())
 	{
-		gObjectBits += mesgsys->getReceiveCompressedSize() * 8;
+		gObjectData += (LLUnit<LLUnits::Bytes, U32>)mesgsys->getReceiveCompressedSize();
 	}
 	else
 	{
-		gObjectBits += mesgsys->getReceiveSize() * 8;
+		gObjectData += (LLUnit<LLUnits::Bytes, U32>)mesgsys->getReceiveSize();
 	}
 
 	gObjectList.processCompressedObjectUpdate(mesgsys, user_data, OUT_TERSE_IMPROVED);
 }
 
-static LLFastTimer::DeclareTimer FTM_PROCESS_OBJECTS("Process Objects");
+static LLFastTimer::DeclareTimer FTM_PROCESS_OBJECTS("Process Kill Objects");
 
 
 void process_kill_object(LLMessageSystem *mesgsys, void **user_data)
@@ -4757,145 +4753,18 @@ void process_sim_stats(LLMessageSystem *msg, void **user_data)
 		F32 stat_value;
 		msg->getU32("Stat", "StatID", stat_id, i);
 		msg->getF32("Stat", "StatValue", stat_value, i);
-		switch (stat_id)
+		LLStatViewer::SimMeasurementSampler* measurementp = LLStatViewer::SimMeasurementSampler::getInstance((ESimStatID)stat_id);
+		
+		if (measurementp )
 		{
-		case LL_SIM_STAT_TIME_DILATION:
-			LLViewerStats::getInstance()->mSimTimeDilation.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_FPS:
-			LLViewerStats::getInstance()->mSimFPS.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_PHYSFPS:
-			LLViewerStats::getInstance()->mSimPhysicsFPS.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_AGENTUPS:
-			LLViewerStats::getInstance()->mSimAgentUPS.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_FRAMEMS:
-			LLViewerStats::getInstance()->mSimFrameMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_NETMS:
-			LLViewerStats::getInstance()->mSimNetMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SIMOTHERMS:
-			LLViewerStats::getInstance()->mSimSimOtherMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SIMPHYSICSMS:
-			LLViewerStats::getInstance()->mSimSimPhysicsMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_AGENTMS:
-			LLViewerStats::getInstance()->mSimAgentMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_IMAGESMS:
-			LLViewerStats::getInstance()->mSimImagesMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SCRIPTMS:
-			LLViewerStats::getInstance()->mSimScriptMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_NUMTASKS:
-			LLViewerStats::getInstance()->mSimObjects.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_NUMTASKSACTIVE:
-			LLViewerStats::getInstance()->mSimActiveObjects.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_NUMAGENTMAIN:
-			LLViewerStats::getInstance()->mSimMainAgents.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_NUMAGENTCHILD:
-			LLViewerStats::getInstance()->mSimChildAgents.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_NUMSCRIPTSACTIVE:
-			LLViewerStats::getInstance()->mSimActiveScripts.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SCRIPT_EPS:
-			LLViewerStats::getInstance()->mSimScriptEPS.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_INPPS:
-			LLViewerStats::getInstance()->mSimInPPS.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_OUTPPS:
-			LLViewerStats::getInstance()->mSimOutPPS.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_PENDING_DOWNLOADS:
-			LLViewerStats::getInstance()->mSimPendingDownloads.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_PENDING_UPLOADS:
-			LLViewerStats::getInstance()->mSimPendingUploads.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_PENDING_LOCAL_UPLOADS:
-			LLViewerStats::getInstance()->mSimPendingLocalUploads.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_TOTAL_UNACKED_BYTES:
-			LLViewerStats::getInstance()->mSimTotalUnackedBytes.addValue(stat_value / 1024.f);
-			break;
-		case LL_SIM_STAT_PHYSICS_PINNED_TASKS:
-			LLViewerStats::getInstance()->mPhysicsPinnedTasks.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_PHYSICS_LOD_TASKS:
-			LLViewerStats::getInstance()->mPhysicsLODTasks.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SIMPHYSICSSTEPMS:
-			LLViewerStats::getInstance()->mSimSimPhysicsStepMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SIMPHYSICSSHAPEMS:
-			LLViewerStats::getInstance()->mSimSimPhysicsShapeUpdateMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SIMPHYSICSOTHERMS:
-			LLViewerStats::getInstance()->mSimSimPhysicsOtherMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SIMPHYSICSMEMORY:
-			LLViewerStats::getInstance()->mPhysicsMemoryAllocated.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SIMSPARETIME:
-			LLViewerStats::getInstance()->mSimSpareMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SIMSLEEPTIME:
-			LLViewerStats::getInstance()->mSimSleepMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_IOPUMPTIME:
-			LLViewerStats::getInstance()->mSimPumpIOMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_PCTSCRIPTSRUN:
-			LLViewerStats::getInstance()->mSimPctScriptsRun.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SIMAISTEPTIMEMS:
-			LLViewerStats::getInstance()->mSimSimAIStepMsec.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_SKIPPEDAISILSTEPS_PS:
-			LLViewerStats::getInstance()->mSimSimSkippedSilhouetteSteps.addValue(stat_value);
-			break;
-		case LL_SIM_STAT_PCTSTEPPEDCHARACTERS:
-			LLViewerStats::getInstance()->mSimSimPctSteppedCharacters.addValue(stat_value);
-			break;
-		default:
-			// Used to be a commented out warning.
- 			LL_DEBUGS("Messaging") << "Unknown stat id" << stat_id << LL_ENDL;
-		  break;
+			measurementp->sample(stat_value);
+		}
+		else
+		{
+			llwarns << "Unknown sim stat identifier: " << stat_id << llendl;
 		}
 	}
 
-	/*
-	msg->getF32Fast(_PREHASH_Statistics, _PREHASH_PhysicsTimeDilation, time_dilation);
-	LLViewerStats::getInstance()->mSimTDStat.addValue(time_dilation);
-
-	// Process information
-	//	{	CpuUsage			F32				}
-	//	{	SimMemTotal			F32				}
-	//	{	SimMemRSS			F32				}
-	//	{	ProcessUptime		F32				}
-	F32 cpu_usage;
-	F32 sim_mem_total;
-	F32 sim_mem_rss;
-	F32 process_uptime;
-	msg->getF32Fast(_PREHASH_Statistics, _PREHASH_CpuUsage, cpu_usage);
-	msg->getF32Fast(_PREHASH_Statistics, _PREHASH_SimMemTotal, sim_mem_total);
-	msg->getF32Fast(_PREHASH_Statistics, _PREHASH_SimMemRSS, sim_mem_rss);
-	msg->getF32Fast(_PREHASH_Statistics, _PREHASH_ProcessUptime, process_uptime);
-	LLViewerStats::getInstance()->mSimCPUUsageStat.addValue(cpu_usage);
-	LLViewerStats::getInstance()->mSimMemTotalStat.addValue(sim_mem_total);
-	LLViewerStats::getInstance()->mSimMemRSSStat.addValue(sim_mem_rss);
-	*/
-
 	//
 	// Various hacks that aren't statistics, but are being handled here.
 	//
@@ -5942,7 +5811,7 @@ void process_alert_core(const std::string& message, BOOL modal)
 	// HACK -- handle callbacks for specific alerts. It also is localized in notifications.xml
 	if ( message == "You died and have been teleported to your home location")
 	{
-		LLViewerStats::getInstance()->incStat(LLViewerStats::ST_KILLED_COUNT);
+		LLStatViewer::KILLED.add(1);
 	}
 	else if( message == "Home position set." )
 	{
@@ -7369,8 +7238,6 @@ void onCovenantLoadComplete(LLVFS *vfs,
 	}
 	else
 	{
-		LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
-		
 		if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status ||
 		    LL_ERR_FILE_EMPTY == status)
 		{
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index f9342a9736..fff1875ad6 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -785,7 +785,7 @@ BOOL LLViewerObject::setDrawableParent(LLDrawable* parentp)
 	}
 	LLDrawable* old_parent = mDrawable->mParent;
 	mDrawable->mParent = parentp; 
-		
+	
 	if (parentp && mDrawable->isActive())
 	{
 		parentp->makeActive();
@@ -876,7 +876,6 @@ U32 LLViewerObject::processUpdateMessage(LLMessageSystem *mesgsys,
 					 const EObjectUpdateType update_type,
 					 LLDataPacker *dp)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
 	U32 retval = 0x0;
 	
 	// If region is removed from the list it is also deleted.
@@ -2038,7 +2037,7 @@ U32 LLViewerObject::processUpdateMessage(LLMessageSystem *mesgsys,
 		// If we're snapping the position by more than 0.5m, update LLViewerStats::mAgentPositionSnaps
 		if ( asAvatar() && asAvatar()->isSelf() && (mag_sqr > 0.25f) )
 		{
-			LLViewerStats::getInstance()->mAgentPositionSnaps.push( diff.length() );
+			LLStatViewer::AGENT_POSITION_SNAP.sample<LLTrace::Meters>(diff.length());
 		}
 	}
 
@@ -2046,7 +2045,7 @@ U32 LLViewerObject::processUpdateMessage(LLMessageSystem *mesgsys,
 		|| (new_angv != old_angv))
 	{
 		if (new_rot != mPreviousRotation)
-	{
+		{
 			resetRot();
 		}
 		else if (new_angv != old_angv)
@@ -2170,28 +2169,28 @@ void LLViewerObject::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
 
 	if (!mDead)
 	{
-	// CRO - don't velocity interp linked objects!
-	// Leviathan - but DO velocity interp joints
-	if (!mStatic && sVelocityInterpolate && !isSelected())
-	{
-		// calculate dt from last update
-		F32 dt_raw = (F32)(time - mLastInterpUpdateSecs);
-		F32 dt = mTimeDilation * dt_raw;
+		// CRO - don't velocity interp linked objects!
+		// Leviathan - but DO velocity interp joints
+		if (!mStatic && sVelocityInterpolate && !isSelected())
+		{
+			// calculate dt from last update
+			F32 dt_raw = (F32)(time - mLastInterpUpdateSecs);
+			F32 dt = mTimeDilation * dt_raw;
 
 			applyAngularVelocity(dt);
-
+			
 			if (isAttachment())
-				{
-					mLastInterpUpdateSecs = time;
+			{
+				mLastInterpUpdateSecs = time;
 				return;
+			}
+			else
+			{	// Move object based on it's velocity and rotation
+				interpolateLinearMotion(time, dt);
+			}
 		}
-		else
-		{	// Move object based on it's velocity and rotation
-			interpolateLinearMotion(time, dt);
-		}
-	}
 
-	updateDrawable(FALSE);
+		updateDrawable(FALSE);
 	}
 }
 
@@ -2352,8 +2351,6 @@ void LLViewerObject::interpolateLinearMotion(const F64 & time, const F32 & dt)
 
 BOOL LLViewerObject::setData(const U8 *datap, const U32 data_size)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-	
 	delete [] mData;
 
 	if (datap)
@@ -2395,8 +2392,6 @@ void LLViewerObject::doUpdateInventory(
 	U8 key,
 	bool is_new)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-
 	LLViewerInventoryItem* old_item = NULL;
 	if(TASK_INVENTORY_ITEM_KEY == key)
 	{
@@ -2480,8 +2475,6 @@ void LLViewerObject::saveScript(
 	BOOL active,
 	bool is_new)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-
 	/*
 	 * XXXPAM Investigate not making this copy.  Seems unecessary, but I'm unsure about the
 	 * interaction with doUpdateInventory() called below.
@@ -2557,8 +2550,6 @@ void LLViewerObject::dirtyInventory()
 
 void LLViewerObject::registerInventoryListener(LLVOInventoryListener* listener, void* user_data)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-	
 	LLInventoryCallbackInfo* info = new LLInventoryCallbackInfo;
 	info->mListener = listener;
 	info->mInventoryData = user_data;
@@ -2656,8 +2647,6 @@ S32 LLFilenameAndTask::sCount = 0;
 // static
 void LLViewerObject::processTaskInv(LLMessageSystem* msg, void** user_data)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-	
 	LLUUID task_id;
 	msg->getUUIDFast(_PREHASH_InventoryData, _PREHASH_TaskID, task_id);
 	LLViewerObject* object = gObjectList.findObject(task_id);
@@ -2744,8 +2733,6 @@ void LLViewerObject::processTaskInvFile(void** user_data, S32 error_code, LLExtS
 
 void LLViewerObject::loadTaskInvFile(const std::string& filename)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-	
 	std::string filename_and_local_path = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, filename);
 	llifstream ifs(filename_and_local_path);
 	if(ifs.good())
@@ -2869,8 +2856,6 @@ void LLViewerObject::updateInventory(
 	U8 key,
 	bool is_new)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-
 	// This slices the object into what we're concerned about on the
 	// viewer. The simulator will take the permissions and transfer
 	// ownership.
@@ -3879,8 +3864,6 @@ std::string LLViewerObject::getMediaURL() const
 
 void LLViewerObject::setMediaURL(const std::string& media_url)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-	
 	if (!mMedia)
 	{
 		mMedia = new LLViewerObjectMedia;
@@ -3930,8 +3913,6 @@ BOOL LLViewerObject::setMaterial(const U8 material)
 
 void LLViewerObject::setNumTEs(const U8 num_tes)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-	
 	U32 i;
 	if (num_tes != getNumTEs())
 	{
@@ -5380,9 +5361,9 @@ void LLViewerObject::setPhysicsShapeType(U8 type)
 	mPhysicsShapeUnknown = false;
 	if (type != mPhysicsShapeType)
 	{
-	mPhysicsShapeType = type;
-	mCostStale = true;
-}
+		mPhysicsShapeType = type;
+		mCostStale = true;
+	}
 }
 
 void LLViewerObject::setPhysicsGravity(F32 gravity)
diff --git a/indra/newview/llviewerobject.h b/indra/newview/llviewerobject.h
index 1fb30db8f2..97cf0a4850 100644
--- a/indra/newview/llviewerobject.h
+++ b/indra/newview/llviewerobject.h
@@ -34,7 +34,6 @@
 #include "llhudicon.h"
 #include "llinventory.h"
 #include "llrefcount.h"
-#include "llmemtype.h"
 #include "llprimitive.h"
 #include "lluuid.h"
 #include "llvoinventorylistener.h"
@@ -128,7 +127,6 @@ public:
 	typedef const child_list_t const_child_list_t;
 
 	LLViewerObject(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp, BOOL is_global = FALSE);
-	MEM_TYPE_NEW(LLMemType::MTYPE_OBJECT);
 
 	virtual void markDead();				// Mark this object as dead, and clean up its references
 	BOOL isDead() const									{return mDead;}
diff --git a/indra/newview/llviewerobjectlist.cpp b/indra/newview/llviewerobjectlist.cpp
index 3eeab0bf3e..fc3b7e7942 100644
--- a/indra/newview/llviewerobjectlist.cpp
+++ b/indra/newview/llviewerobjectlist.cpp
@@ -93,7 +93,7 @@ extern LLPipeline	gPipeline;
 U32						LLViewerObjectList::sSimulatorMachineIndex = 1; // Not zero deliberately, to speed up index check.
 std::map<U64, U32>		LLViewerObjectList::sIPAndPortToIndex;
 std::map<U64, LLUUID>	LLViewerObjectList::sIndexAndLocalIDToUUID;
-LLStat					LLViewerObjectList::sCacheHitRate("object_cache_hits", 128);
+LLTrace::Measurement<>	LLViewerObjectList::sCacheHitRate("object_cache_hits");
 
 LLViewerObjectList::LLViewerObjectList()
 {
@@ -230,7 +230,6 @@ void LLViewerObjectList::processUpdateCore(LLViewerObject* objectp,
 										   LLDataPacker* dpp, 
 										   BOOL just_created)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT_PROCESS_UPDATE_CORE);
 	LLMessageSystem* msg = gMessageSystem;
 
 	// ignore returned flags
@@ -283,7 +282,6 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 											 const EObjectUpdateType update_type,
 											 bool cached, bool compressed)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT_PROCESS_UPDATE);
 	LLFastTimer t(FTM_PROCESS_OBJECTS);	
 	
 	LLVector3d camera_global = gAgentCamera.getCameraPositionGlobal();
@@ -334,6 +332,7 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 
 	U64 region_handle;
 	mesgsys->getU64Fast(_PREHASH_RegionData, _PREHASH_RegionHandle, region_handle);
+	
 	LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromHandle(region_handle);
 
 	if (!regionp)
@@ -345,16 +344,14 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 	U8 compressed_dpbuffer[2048];
 	LLDataPackerBinaryBuffer compressed_dp(compressed_dpbuffer, 2048);
 	LLDataPacker *cached_dpp = NULL;
-
-#if LL_RECORD_VIEWER_STATS
-	LLViewerStatsRecorder::instance()->beginObjectUpdateEvents(regionp);
-#endif
+	LLViewerStatsRecorder& recorder = LLViewerStatsRecorder::instance();
 
 	for (i = 0; i < num_objects; i++)
 	{
 		// timer is unused?
 		LLTimer update_timer;
 		BOOL justCreated = FALSE;
+		S32	msg_size = 0;
 
 		if (cached)
 		{
@@ -362,6 +359,7 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 			U32 crc;
 			mesgsys->getU32Fast(_PREHASH_ObjectData, _PREHASH_ID, id, i);
 			mesgsys->getU32Fast(_PREHASH_ObjectData, _PREHASH_CRC, crc, i);
+			msg_size += sizeof(U32) * 2;
 		
 			// Lookup data packer and add this id to cache miss lists if necessary.
 			U8 cache_miss_type = LLViewerRegion::CACHE_MISS_TYPE_NONE;
@@ -377,9 +375,7 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 			else
 			{
 				// Cache Miss.
-				#if LL_RECORD_VIEWER_STATS
-				LLViewerStatsRecorder::instance()->recordCacheMissEvent(id, update_type, cache_miss_type);
-				#endif
+				recorder.cacheMissEvent(id, update_type, cache_miss_type, msg_size);
 
 				continue; // no data packer, skip this object
 			}
@@ -422,6 +418,8 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 		else if (update_type != OUT_FULL) // !compressed, !OUT_FULL ==> OUT_FULL_CACHED only?
 		{
 			mesgsys->getU32Fast(_PREHASH_ObjectData, _PREHASH_ID, local_id, i);
+			msg_size += sizeof(U32);
+
 			getUUIDFromLocal(fullid,
 							local_id,
 							gMessageSystem->getSenderIP(),
@@ -436,6 +434,8 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 		{
 			mesgsys->getUUIDFast(_PREHASH_ObjectData, _PREHASH_FullID, fullid, i);
 			mesgsys->getU32Fast(_PREHASH_ObjectData, _PREHASH_ID, local_id, i);
+			msg_size += sizeof(LLUUID);
+			msg_size += sizeof(U32);
 			// llinfos << "Full Update, obj " << local_id << ", global ID" << fullid << "from " << mesgsys->getSender() << llendl;
 		}
 		objectp = findObject(fullid);
@@ -481,9 +481,7 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 				if (update_type == OUT_TERSE_IMPROVED)
 				{
 					// llinfos << "terse update for an unknown object (compressed):" << fullid << llendl;
-					#if LL_RECORD_VIEWER_STATS
-					LLViewerStatsRecorder::instance()->recordObjectUpdateFailure(local_id, update_type);
-					#endif
+					recorder.objectUpdateFailure(local_id, update_type, msg_size);
 					continue;
 				}
 			}
@@ -495,22 +493,20 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 				if (update_type != OUT_FULL)
 				{
 					//llinfos << "terse update for an unknown object:" << fullid << llendl;
-					#if LL_RECORD_VIEWER_STATS
-					LLViewerStatsRecorder::instance()->recordObjectUpdateFailure(local_id, update_type);
-					#endif
+					recorder.objectUpdateFailure(local_id, update_type, msg_size);
 					continue;
 				}
 
 				mesgsys->getU8Fast(_PREHASH_ObjectData, _PREHASH_PCode, pcode, i);
+				msg_size += sizeof(U8);
+
 			}
 #ifdef IGNORE_DEAD
 			if (mDeadObjects.find(fullid) != mDeadObjects.end())
 			{
 				mNumDeadObjectUpdates++;
 				//llinfos << "update for a dead object:" << fullid << llendl;
-				#if LL_RECORD_VIEWER_STATS
-				LLViewerStatsRecorder::instance()->recordObjectUpdateFailure(local_id, update_type);
-				#endif
+				recorder.objectUpdateFailure(local_id, update_type, msg_size);
 				continue;
 			}
 #endif
@@ -519,14 +515,12 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 			if (!objectp)
 			{
 				llinfos << "createObject failure for object: " << fullid << llendl;
-				#if LL_RECORD_VIEWER_STATS
-				LLViewerStatsRecorder::instance()->recordObjectUpdateFailure(local_id, update_type);
-				#endif
+				recorder.objectUpdateFailure(local_id, update_type, msg_size);
 				continue;
 			}
 			justCreated = TRUE;
 			mNumNewObjects++;
-			sCacheHitRate.addValue(cached ? 100.f : 0.f);
+			sCacheHitRate.sample(cached ? 100.f : 0.f);
 
 		}
 
@@ -547,12 +541,8 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 			if (update_type != OUT_TERSE_IMPROVED) // OUT_FULL_COMPRESSED only?
 			{
 				bCached = true;
-				#if LL_RECORD_VIEWER_STATS
 				LLViewerRegion::eCacheUpdateResult result = objectp->mRegionp->cacheFullUpdate(objectp, compressed_dp);
-				LLViewerStatsRecorder::instance()->recordCacheFullUpdate(local_id, update_type, result, objectp);
-				#else
-				objectp->mRegionp->cacheFullUpdate(objectp, compressed_dp);
-				#endif
+				recorder.cacheFullUpdate(local_id, update_type, result, objectp, msg_size);
 			}
 		}
 		else if (cached) // Cache hit only?
@@ -568,16 +558,12 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 			}
 			processUpdateCore(objectp, user_data, i, update_type, NULL, justCreated);
 		}
-		#if LL_RECORD_VIEWER_STATS
-		LLViewerStatsRecorder::instance()->recordObjectUpdateEvent(local_id, update_type, objectp);
-		#endif
+		recorder.objectUpdateEvent(local_id, update_type, objectp, msg_size);
 		objectp->setLastUpdateType(update_type);
 		objectp->setLastUpdateCached(bCached);
 	}
 
-#if LL_RECORD_VIEWER_STATS
-	LLViewerStatsRecorder::instance()->endObjectUpdateEvents();
-#endif
+	recorder.log(0.2f);
 
 	LLVOAvatar::cullAvatarsByPixelArea();
 }
@@ -864,10 +850,10 @@ private:
 	LLSD mObjectIDs;
 };
 
+static LLFastTimer::DeclareTimer FTM_IDLE_COPY("Idle Copy");
+
 void LLViewerObjectList::update(LLAgent &agent, LLWorld &world)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-
 	// Update globals
 	LLViewerObject::setVelocityInterpolate( gSavedSettings.getBOOL("VelocityInterpolate") );
 	LLViewerObject::setPingInterpolate( gSavedSettings.getBOOL("PingInterpolate") );
@@ -916,10 +902,8 @@ void LLViewerObjectList::update(LLAgent &agent, LLWorld &world)
 
 	U32 idle_count = 0;
 		
-	static LLFastTimer::DeclareTimer idle_copy("Idle Copy");
-
 	{
-		LLFastTimer t(idle_copy);
+		LLFastTimer t(FTM_IDLE_COPY);
 		
  		for (std::vector<LLPointer<LLViewerObject> >::iterator active_iter = mActiveObjects.begin();
 			active_iter != mActiveObjects.end(); active_iter++)
@@ -1045,10 +1029,10 @@ void LLViewerObjectList::update(LLAgent &agent, LLWorld &world)
 	}
 	*/
 
-	LLViewerStats::getInstance()->mNumObjectsStat.addValue((S32) mObjects.size());
-	LLViewerStats::getInstance()->mNumActiveObjectsStat.addValue(idle_count);
-	LLViewerStats::getInstance()->mNumSizeCulledStat.addValue(mNumSizeCulled);
-	LLViewerStats::getInstance()->mNumVisCulledStat.addValue(mNumVisCulled);
+	LLStatViewer::NUM_OBJECTS.sample(mObjects.size());
+	LLStatViewer::NUM_ACTIVE_OBJECTS.sample(idle_count);
+	LLStatViewer::NUM_SIZE_CULLED.sample(mNumSizeCulled);
+	LLStatViewer::NUM_VIS_CULLED.sample(mNumVisCulled);
 }
 
 void LLViewerObjectList::fetchObjectCosts()
@@ -1179,7 +1163,6 @@ void LLViewerObjectList::clearDebugText()
 
 void LLViewerObjectList::cleanupReferences(LLViewerObject *objectp)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
 	if (mDeadObjects.find(objectp->mID) != mDeadObjects.end())
 	{
 		llinfos << "Object " << objectp->mID << " already on dead list!" << llendl;	
@@ -1407,7 +1390,6 @@ void LLViewerObjectList::removeFromActiveList(LLViewerObject* objectp)
 
 void LLViewerObjectList::updateActive(LLViewerObject *objectp)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
 	if (objectp->isDead())
 	{
 		return; // We don't update dead objects!
@@ -1889,7 +1871,6 @@ void LLViewerObjectList::resetObjectBeacons()
 
 LLViewerObject *LLViewerObjectList::createObjectViewer(const LLPCode pcode, LLViewerRegion *regionp)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
 	LLUUID fullid;
 	fullid.generate();
 
@@ -1910,13 +1891,9 @@ LLViewerObject *LLViewerObjectList::createObjectViewer(const LLPCode pcode, LLVi
 }
 
 
-static LLFastTimer::DeclareTimer FTM_CREATE_OBJECT("Create Object");
-
 LLViewerObject *LLViewerObjectList::createObject(const LLPCode pcode, LLViewerRegion *regionp,
 												 const LLUUID &uuid, const U32 local_id, const LLHost &sender)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-	LLFastTimer t(FTM_CREATE_OBJECT);
 	
 	LLUUID fullid;
 	if (uuid == LLUUID::null)
@@ -1980,7 +1957,6 @@ S32 LLViewerObjectList::findReferences(LLDrawable *drawablep) const
 
 void LLViewerObjectList::orphanize(LLViewerObject *childp, U32 parent_id, U32 ip, U32 port)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
 #ifdef ORPHAN_SPAM
 	llinfos << "Orphaning object " << childp->getID() << " with parent " << parent_id << llendl;
 #endif
diff --git a/indra/newview/llviewerobjectlist.h b/indra/newview/llviewerobjectlist.h
index 449a4633ff..9a36b66302 100644
--- a/indra/newview/llviewerobjectlist.h
+++ b/indra/newview/llviewerobjectlist.h
@@ -31,8 +31,8 @@
 #include <set>
 
 // common includes
-#include "llstat.h"
 #include "llstring.h"
+#include "lltrace.h"
 
 // project includes
 #include "llviewerobject.h"
@@ -195,7 +195,7 @@ protected:
 	std::vector<OrphanInfo> mOrphanChildren;	// UUID's of orphaned objects
 	S32 mNumOrphans;
 
-	static LLStat sCacheHitRate;
+	static LLTrace::Measurement<> sCacheHitRate;
 
 	typedef std::vector<LLPointer<LLViewerObject> > vobj_list_t;
 
diff --git a/indra/newview/llviewerparceloverlay.cpp b/indra/newview/llviewerparceloverlay.cpp
index a0cf2fc803..a1c12c5cd6 100644
--- a/indra/newview/llviewerparceloverlay.cpp
+++ b/indra/newview/llviewerparceloverlay.cpp
@@ -828,7 +828,6 @@ void LLViewerParcelOverlay::updateGL()
 
 void LLViewerParcelOverlay::idleUpdate(bool force_update)
 {
-	LLMemType mt_iup(LLMemType::MTYPE_IDLE_UPDATE_PARCEL_OVERLAY);
 	if (gGLManager.mIsDisabled)
 	{
 		return;
diff --git a/indra/newview/llviewerpartsim.cpp b/indra/newview/llviewerpartsim.cpp
index 345023dbfa..6bd9f66b9c 100644
--- a/indra/newview/llviewerpartsim.cpp
+++ b/indra/newview/llviewerpartsim.cpp
@@ -79,7 +79,6 @@ LLViewerPart::LLViewerPart() :
 	mVPCallback(NULL),
 	mImagep(NULL)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mPartSourcep = NULL;
 
 	++LLViewerPartSim::sParticleCount2 ;
@@ -87,7 +86,6 @@ LLViewerPart::LLViewerPart() :
 
 LLViewerPart::~LLViewerPart()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mPartSourcep = NULL;
 
 	--LLViewerPartSim::sParticleCount2 ;
@@ -95,7 +93,6 @@ LLViewerPart::~LLViewerPart()
 
 void LLViewerPart::init(LLPointer<LLViewerPartSource> sourcep, LLViewerTexture *imagep, LLVPCallback cb)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mPartID = LLViewerPart::sNextPartID;
 	LLViewerPart::sNextPartID++;
 	mFlags = 0x00f;
@@ -120,7 +117,6 @@ void LLViewerPart::init(LLPointer<LLViewerPartSource> sourcep, LLViewerTexture *
 LLViewerPartGroup::LLViewerPartGroup(const LLVector3 &center_agent, const F32 box_side, bool hud)
  : mHud(hud)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mVOPartGroupp = NULL;
 	mUniformParticles = TRUE;
 
@@ -177,7 +173,6 @@ LLViewerPartGroup::LLViewerPartGroup(const LLVector3 &center_agent, const F32 bo
 
 LLViewerPartGroup::~LLViewerPartGroup()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	cleanup();
 	
 	S32 count = (S32) mParticles.size();
@@ -192,7 +187,6 @@ LLViewerPartGroup::~LLViewerPartGroup()
 
 void LLViewerPartGroup::cleanup()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	if (mVOPartGroupp)
 	{
 		if (!mVOPartGroupp->isDead())
@@ -205,7 +199,6 @@ void LLViewerPartGroup::cleanup()
 
 BOOL LLViewerPartGroup::posInGroup(const LLVector3 &pos, const F32 desired_size)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	if ((pos.mV[VX] < mMinObjPos.mV[VX])
 		|| (pos.mV[VY] < mMinObjPos.mV[VY])
 		|| (pos.mV[VZ] < mMinObjPos.mV[VZ]))
@@ -233,8 +226,6 @@ BOOL LLViewerPartGroup::posInGroup(const LLVector3 &pos, const F32 desired_size)
 
 BOOL LLViewerPartGroup::addPart(LLViewerPart* part, F32 desired_size)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
-
 	if (part->mFlags & LLPartData::LL_PART_HUD && !mHud)
 	{
 		return FALSE;
@@ -261,7 +252,6 @@ BOOL LLViewerPartGroup::addPart(LLViewerPart* part, F32 desired_size)
 
 void LLViewerPartGroup::updateParticles(const F32 lastdt)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	F32 dt;
 	
 	LLVector3 gravity(0.f, 0.f, GRAVITY);
@@ -429,7 +419,6 @@ void LLViewerPartGroup::updateParticles(const F32 lastdt)
 
 void LLViewerPartGroup::shift(const LLVector3 &offset)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mCenterAgent += offset;
 	mMinObjPos += offset;
 	mMaxObjPos += offset;
@@ -442,8 +431,6 @@ void LLViewerPartGroup::shift(const LLVector3 &offset)
 
 void LLViewerPartGroup::removeParticlesByID(const U32 source_id)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
-
 	for (S32 i = 0; i < (S32)mParticles.size(); i++)
 	{
 		if(mParticles[i]->mPartSourcep->getID() == source_id)
@@ -475,7 +462,6 @@ void LLViewerPartSim::checkParticleCount(U32 size)
 
 LLViewerPartSim::LLViewerPartSim()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	sMaxParticleCount = llmin(gSavedSettings.getS32("RenderMaxPartCount"), LL_MAX_PARTICLE_COUNT);
 	static U32 id_seed = 0;
 	mID = ++id_seed;
@@ -484,7 +470,6 @@ LLViewerPartSim::LLViewerPartSim()
 
 void LLViewerPartSim::destroyClass()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	S32 i;
 	S32 count;
 
@@ -500,9 +485,9 @@ void LLViewerPartSim::destroyClass()
 	mViewerPartSources.clear();
 }
 
+//static
 BOOL LLViewerPartSim::shouldAddPart()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	if (sParticleCount > PART_THROTTLE_THRESHOLD*sMaxParticleCount)
 	{
 
@@ -525,7 +510,6 @@ BOOL LLViewerPartSim::shouldAddPart()
 
 void LLViewerPartSim::addPart(LLViewerPart* part)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	if (sParticleCount < MAX_PART_COUNT)
 	{
 		put(part);
@@ -541,7 +525,6 @@ void LLViewerPartSim::addPart(LLViewerPart* part)
 
 LLViewerPartGroup *LLViewerPartSim::put(LLViewerPart* part)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	const F32 MAX_MAG = 1000000.f*1000000.f; // 1 million
 	LLViewerPartGroup *return_group = NULL ;
 	if (part->mPosAgent.magVecSquared() > MAX_MAG || !part->mPosAgent.isFinite())
@@ -599,7 +582,6 @@ LLViewerPartGroup *LLViewerPartSim::put(LLViewerPart* part)
 
 LLViewerPartGroup *LLViewerPartSim::createViewerPartGroup(const LLVector3 &pos_agent, const F32 desired_size, bool hud)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	//find a box that has a center position divisible by PART_SIM_BOX_SIDE that encompasses
 	//pos_agent
 	LLViewerPartGroup *groupp = new LLViewerPartGroup(pos_agent, desired_size, hud);
@@ -632,8 +614,6 @@ static LLFastTimer::DeclareTimer FTM_SIMULATE_PARTICLES("Simulate Particles");
 
 void LLViewerPartSim::updateSimulation()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
-	
 	static LLFrameTimer update_timer;
 
 	const F32 dt = llmin(update_timer.getElapsedTimeAndResetF32(), 0.1f);
@@ -800,7 +780,6 @@ void LLViewerPartSim::updatePartBurstRate()
 
 void LLViewerPartSim::addPartSource(LLPointer<LLViewerPartSource> sourcep)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	if (!sourcep)
 	{
 		llwarns << "Null part source!" << llendl;
@@ -817,7 +796,6 @@ void LLViewerPartSim::removeLastCreatedSource()
 
 void LLViewerPartSim::cleanupRegion(LLViewerRegion *regionp)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	for (group_list_t::iterator i = mViewerPartGroups.begin(); i != mViewerPartGroups.end(); )
 	{
 		group_list_t::iterator iter = i++;
@@ -832,7 +810,6 @@ void LLViewerPartSim::cleanupRegion(LLViewerRegion *regionp)
 
 void LLViewerPartSim::clearParticlesByID(const U32 system_id)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	for (group_list_t::iterator g = mViewerPartGroups.begin(); g != mViewerPartGroups.end(); ++g)
 	{
 		(*g)->removeParticlesByID(system_id);
@@ -850,7 +827,6 @@ void LLViewerPartSim::clearParticlesByID(const U32 system_id)
 
 void LLViewerPartSim::clearParticlesByOwnerID(const LLUUID& task_id)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	for (source_list_t::iterator iter = mViewerPartSources.begin(); iter != mViewerPartSources.end(); ++iter)
 	{
 		if ((*iter)->getOwnerUUID() == task_id)
diff --git a/indra/newview/llviewerpartsim.h b/indra/newview/llviewerpartsim.h
index c9959c63ec..c91fcf0691 100644
--- a/indra/newview/llviewerpartsim.h
+++ b/indra/newview/llviewerpartsim.h
@@ -142,7 +142,7 @@ public:
 
 	void cleanupRegion(LLViewerRegion *regionp);
 
-	BOOL shouldAddPart(); // Just decides whether this particle should be added or not (for particle count capping)
+	static BOOL shouldAddPart(); // Just decides whether this particle should be added or not (for particle count capping)
 	F32 maxRate() // Return maximum particle generation rate
 	{
 		if (sParticleCount >= MAX_PART_COUNT)
diff --git a/indra/newview/llviewerpartsource.cpp b/indra/newview/llviewerpartsource.cpp
index 4af92e79ff..b311f659fb 100644
--- a/indra/newview/llviewerpartsource.cpp
+++ b/indra/newview/llviewerpartsource.cpp
@@ -90,7 +90,6 @@ void LLViewerPartSource::setStart()
 LLViewerPartSourceScript::LLViewerPartSourceScript(LLViewerObject *source_objp) :
 	LLViewerPartSource(LL_PART_SOURCE_SCRIPT)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	llassert(source_objp);
 	mSourceObjectp = source_objp;
 	mPosAgent = mSourceObjectp->getPositionAgent();
@@ -102,7 +101,6 @@ LLViewerPartSourceScript::LLViewerPartSourceScript(LLViewerObject *source_objp)
 
 void LLViewerPartSourceScript::setDead()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mIsDead = TRUE;
 	mSourceObjectp = NULL;
 	mTargetObjectp = NULL;
@@ -113,7 +111,6 @@ void LLViewerPartSourceScript::update(const F32 dt)
 	if( mIsSuspended )
 		return;
 
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	F32 old_update_time = mLastUpdateTime;
 	mLastUpdateTime += dt;
 
@@ -394,7 +391,6 @@ void LLViewerPartSourceScript::update(const F32 dt)
 // static
 LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, const S32 block_num)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	if (!pssp)
 	{
 		if (LLPartSysData::isNullPS(block_num))
@@ -436,7 +432,6 @@ LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::unpackPSS(LLViewer
 
 LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::unpackPSS(LLViewerObject *source_objp, LLPointer<LLViewerPartSourceScript> pssp, LLDataPacker &dp)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	if (!pssp)
 	{
 		LLPointer<LLViewerPartSourceScript> new_pssp = new LLViewerPartSourceScript(source_objp);
@@ -470,8 +465,6 @@ LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::unpackPSS(LLViewer
 /* static */
 LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::createPSS(LLViewerObject *source_objp, const LLPartSysData& particle_parameters)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
-
 	LLPointer<LLViewerPartSourceScript> new_pssp = new LLViewerPartSourceScript(source_objp);
 
 	new_pssp->mPartSysData = particle_parameters;
@@ -487,13 +480,11 @@ LLPointer<LLViewerPartSourceScript> LLViewerPartSourceScript::createPSS(LLViewer
 
 void LLViewerPartSourceScript::setImage(LLViewerTexture *imagep)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mImagep = imagep;
 }
 
 void LLViewerPartSourceScript::setTargetObject(LLViewerObject *objp)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mTargetObjectp = objp;
 }
 
@@ -509,7 +500,6 @@ LLViewerPartSourceSpiral::LLViewerPartSourceSpiral(const LLVector3 &pos) :
 
 void LLViewerPartSourceSpiral::setDead()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mIsDead = TRUE;
 	mSourceObjectp = NULL;
 }
@@ -517,7 +507,6 @@ void LLViewerPartSourceSpiral::setDead()
 
 void LLViewerPartSourceSpiral::updatePart(LLViewerPart &part, const F32 dt)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	F32 frac = part.mLastUpdateTime/part.mMaxAge;
 
 	LLVector3 center_pos;
@@ -542,7 +531,6 @@ void LLViewerPartSourceSpiral::updatePart(LLViewerPart &part, const F32 dt)
 
 void LLViewerPartSourceSpiral::update(const F32 dt)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	if (!mImagep)
 	{
 		mImagep = LLViewerTextureManager::getFetchedTextureFromFile("pixiesmall.j2c");
@@ -588,7 +576,6 @@ void LLViewerPartSourceSpiral::update(const F32 dt)
 
 void LLViewerPartSourceSpiral::setSourceObject(LLViewerObject *objp)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mSourceObjectp = objp;
 }
 
@@ -612,7 +599,6 @@ LLViewerPartSourceBeam::~LLViewerPartSourceBeam()
 
 void LLViewerPartSourceBeam::setDead()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mIsDead = TRUE;
 	mSourceObjectp = NULL;
 	mTargetObjectp = NULL;
@@ -626,7 +612,6 @@ void LLViewerPartSourceBeam::setColor(const LLColor4 &color)
 
 void LLViewerPartSourceBeam::updatePart(LLViewerPart &part, const F32 dt)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	F32 frac = part.mLastUpdateTime/part.mMaxAge;
 
 	LLViewerPartSource *ps = (LLViewerPartSource*)part.mPartSourcep;
@@ -671,7 +656,6 @@ void LLViewerPartSourceBeam::updatePart(LLViewerPart &part, const F32 dt)
 
 void LLViewerPartSourceBeam::update(const F32 dt)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	const F32 RATE = 0.025f;
 
 	mLastUpdateTime += dt;
@@ -743,13 +727,11 @@ void LLViewerPartSourceBeam::update(const F32 dt)
 
 void LLViewerPartSourceBeam::setSourceObject(LLViewerObject* objp)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mSourceObjectp = objp;
 }
 
 void LLViewerPartSourceBeam::setTargetObject(LLViewerObject* objp)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mTargetObjectp = objp;
 }
 
@@ -764,7 +746,6 @@ LLViewerPartSourceChat::LLViewerPartSourceChat(const LLVector3 &pos) :
 
 void LLViewerPartSourceChat::setDead()
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mIsDead = TRUE;
 	mSourceObjectp = NULL;
 }
@@ -772,7 +753,6 @@ void LLViewerPartSourceChat::setDead()
 
 void LLViewerPartSourceChat::updatePart(LLViewerPart &part, const F32 dt)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	F32 frac = part.mLastUpdateTime/part.mMaxAge;
 
 	LLVector3 center_pos;
@@ -797,7 +777,6 @@ void LLViewerPartSourceChat::updatePart(LLViewerPart &part, const F32 dt)
 
 void LLViewerPartSourceChat::update(const F32 dt)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	if (!mImagep)
 	{
 		mImagep = LLViewerTextureManager::getFetchedTextureFromFile("pixiesmall.j2c");
@@ -853,7 +832,6 @@ void LLViewerPartSourceChat::update(const F32 dt)
 
 void LLViewerPartSourceChat::setSourceObject(LLViewerObject *objp)
 {
-	LLMemType mt(LLMemType::MTYPE_PARTICLES);
 	mSourceObjectp = objp;
 }
 
diff --git a/indra/newview/llviewerprecompiledheaders.h b/indra/newview/llviewerprecompiledheaders.h
index 6c8a827ba3..0316f79973 100644
--- a/indra/newview/llviewerprecompiledheaders.h
+++ b/indra/newview/llviewerprecompiledheaders.h
@@ -59,8 +59,6 @@
 #include "indra_constants.h"
 #include "llinitparam.h"
 
-//#include "linden_common.h"
-//#include "llpreprocessor.h"
 #include "llallocator.h"
 #include "llapp.h"
 #include "llcriticaldamp.h"
@@ -77,10 +75,8 @@
 #include "llprocessor.h"
 #include "llrefcount.h"
 #include "llsafehandle.h"
-//#include "llsecondlifeurls.h"
 #include "llsd.h"
 #include "llsingleton.h"
-#include "llstat.h"
 #include "llstl.h"
 #include "llstrider.h"
 #include "llstring.h"
@@ -88,11 +84,8 @@
 #include "llthread.h"
 #include "lltimer.h"
 #include "lluuidhashmap.h"
-//#include "processor.h"
 #include "stdenums.h"
 #include "stdtypes.h"
-//#include "string_table.h"
-//#include "timer.h"
 #include "timing.h"
 #include "u64.h"
 
diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp
index b607afbd9d..7e81e9714f 100644
--- a/indra/newview/llviewerregion.cpp
+++ b/indra/newview/llviewerregion.cpp
@@ -290,7 +290,9 @@ LLViewerRegion::LLViewerRegion(const U64 &handle,
 	mCacheLoaded(FALSE),
 	mCacheDirty(FALSE),
 	mReleaseNotesRequested(FALSE),
-	mCapabilitiesReceived(false)
+	mCapabilitiesReceived(false),
+	mBitsReceived(0.f),
+	mPacketsReceived(0.f)
 {
 	mWidth = region_width_meters;
 	mImpl->mOriginGlobal = from_region_handle(handle); 
@@ -719,7 +721,6 @@ void LLViewerRegion::dirtyHeights()
 
 BOOL LLViewerRegion::idleUpdate(F32 max_update_time)
 {
-	LLMemType mt_ivr(LLMemType::MTYPE_IDLE_UPDATE_VIEWER_REGION);
 	// did_update returns TRUE if we did at least one significant update
 	BOOL did_update = mImpl->mLandp->idleUpdate(max_update_time);
 	
@@ -909,9 +910,8 @@ void LLViewerRegion::updateNetStats()
 	mPacketsLost =				cdp->getPacketsLost();
 	mPingDelay =				cdp->getPingDelay();
 
-	mBitStat.addValue(mBitsIn - mLastBitsIn);
-	mPacketsStat.addValue(mPacketsIn - mLastPacketsIn);
-	mPacketsLostStat.addValue(mPacketsLost);
+	mBitsReceived += mBitsIn - mLastBitsIn;
+	mPacketsReceived += mPacketsIn - mLastPacketsIn;
 }
 
 
@@ -1342,11 +1342,8 @@ void LLViewerRegion::requestCacheMisses()
 
 	mCacheDirty = TRUE ;
 	// llinfos << "KILLDEBUG Sent cache miss full " << full_count << " crc " << crc_count << llendl;
-	#if LL_RECORD_VIEWER_STATS
-	LLViewerStatsRecorder::instance()->beginObjectUpdateEvents(this);
-	LLViewerStatsRecorder::instance()->recordRequestCacheMissesEvent(full_count + crc_count);
-	LLViewerStatsRecorder::instance()->endObjectUpdateEvents();
-	#endif
+	LLViewerStatsRecorder::instance().requestCacheMissesEvent(full_count + crc_count);
+	LLViewerStatsRecorder::instance().log(0.2f);
 }
 
 void LLViewerRegion::dumpCache()
diff --git a/indra/newview/llviewerregion.h b/indra/newview/llviewerregion.h
index c9fffaf30e..756c0dc61f 100644
--- a/indra/newview/llviewerregion.h
+++ b/indra/newview/llviewerregion.h
@@ -34,7 +34,6 @@
 
 #include "lldarray.h"
 #include "llwind.h"
-#include "llstat.h"
 #include "v3dmath.h"
 #include "llstring.h"
 #include "llregionflags.h"
@@ -351,9 +350,8 @@ public:
 	LLWind  mWind;
 	LLViewerParcelOverlay	*mParcelOverlay;
 
-	LLStat	mBitStat;
-	LLStat	mPacketsStat;
-	LLStat	mPacketsLostStat;
+	F32		mBitsReceived;
+	F32		mPacketsReceived;
 
 	LLMatrix4 mRenderMatrix;
 
diff --git a/indra/newview/llviewerstats.cpp b/indra/newview/llviewerstats.cpp
index 603634e5f3..077c9f43a4 100755
--- a/indra/newview/llviewerstats.cpp
+++ b/indra/newview/llviewerstats.cpp
@@ -61,589 +61,312 @@
 #include "llviewernetwork.h"
 #include "llmeshrepository.h" //for LLMeshRepository::sBytesReceived
 
-
-class StatAttributes
+namespace LLStatViewer
 {
-public:
-	StatAttributes(const char* name,
-				   const BOOL enabled,
-				   const BOOL is_timer)
-		: mName(name),
-		  mEnabled(enabled),
-		  mIsTimer(is_timer)
-	{
-	}
+
+LLTrace::Count<>	FPS("fpsstat"),
+					PACKETS_IN("packetsinstat"),
+					PACKETS_LOST("packetsloststat"),
+					PACKETS_OUT("packetsoutstat"),
+					TEXTURE_PACKETS("texturepacketsstat"),
+					TRIANGLES_DRAWN("trianglesdrawnstat"),
+					CHAT_COUNT("chatcount", "Chat messages sent"),
+					IM_COUNT("imcount", "IMs sent"),
+					OBJECT_CREATE("objectcreate"),
+					OBJECT_REZ("objectrez", "Object rez count"),
+					LOADING_WEARABLES_LONG_DELAY("loadingwearableslongdelay", "Wearables took too long to load"),
+					LOGIN_TIMEOUTS("logintimeouts", "Number of login attempts that timed out"),
+					LSL_SAVES("lslsaves", "Number of times user has saved a script"),
+					ANIMATION_UPLOADS("animationuploads", "Animations uploaded"),
+					FLY("fly", "Fly count"),
+					TELEPORT("teleport", "Teleport count"),
+					DELETE_OBJECT("deleteobject", "Objects deleted"),
+					SNAPSHOT("snapshot", "Snapshots taken"),
+					UPLOAD_SOUND("uploadsound", "Sounds uploaded"),
+					UPLOAD_TEXTURE("uploadtexture", "Textures uploaded"),
+					EDIT_TEXTURE("edittexture", "Changes to textures on objects"),
+					KILLED("killed", "Number of times killed"),
+					FRAMETIME_DOUBLED("frametimedoubled", "Ratio of frames 2x longer than previous"),
+					TEX_BAKES("texbakes"),
+					TEX_REBAKES("texrebakes");
+LLTrace::Count<LLTrace::Kilobits>	KBIT("kbitstat"),
+									LAYERS_KBIT("layerskbitstat"),
+									OBJECT_KBIT("objectkbitstat"),
+									ASSET_KBIT("assetkbitstat"),
+									TEXTURE_KBIT("texturekbitstat"),
+									ACTUAL_IN_KBIT("actualinkbitstat"),
+									ACTUAL_OUT_KBIT("actualoutkbitstat");
+
+LLTrace::Count<LLTrace::Seconds> AVATAR_EDIT_TIME("avataredittime", "Seconds in Edit Appearence"),
+								TOOLBOX_TIME("toolboxtime", "Seconds using Toolbox"),
+								MOUSELOOK_TIME("mouselooktime", "Seconds in Mouselook"),
+								FPS_10_TIME("fps10time", "Seconds below 10 FPS"),
+								FPS_8_TIME("fps8time", "Seconds below 8 FPS"),
+								FPS_2_TIME("fps2time", "Seconds below 2 FPS"),
+								SIM_20_FPS_TIME("sim20fpstime", "Seconds with sim FPS below 20"),
+								SIM_PHYSICS_20_FPS_TIME("simphysics20fpstime", "Seconds with physics FPS below 20"),
+								LOSS_5_PERCENT_TIME("loss5percenttime", "Seconds with packet loss > 5%");
+
+SimMeasurement<>			SIM_TIME_DILATION("simtimedilation", "", LL_SIM_STAT_TIME_DILATION),
+							SIM_FPS("simfps", "", LL_SIM_STAT_FPS),
+							SIM_PHYSICS_FPS("simphysicsfps", "", LL_SIM_STAT_PHYSFPS),
+							SIM_AGENT_UPS("simagentups", "", LL_SIM_STAT_AGENTUPS),
+							SIM_SCRIPT_EPS("simscripteps", "", LL_SIM_STAT_SCRIPT_EPS),
+							SIM_SKIPPED_SILHOUETTE("simsimskippedsilhouettesteps", "", LL_SIM_STAT_SKIPPEDAISILSTEPS_PS),
+							SIM_SKIPPED_CHARACTERS_PERCENTAGE("simsimpctsteppedcharacters", "", LL_SIM_STAT_PCTSTEPPEDCHARACTERS),
+							SIM_MAIN_AGENTS("simmainagents", "", LL_SIM_STAT_NUMAGENTMAIN),
+							SIM_CHILD_AGENTS("simchildagents", "", LL_SIM_STAT_NUMAGENTCHILD),
+							SIM_OBJECTS("simobjects", "", LL_SIM_STAT_NUMTASKS),
+							SIM_ACTIVE_OBJECTS("simactiveobjects", "", LL_SIM_STAT_NUMTASKSACTIVE),
+							SIM_ACTIVE_SCRIPTS("simactivescripts", "", LL_SIM_STAT_NUMSCRIPTSACTIVE),
+							SIM_PERCENTAGE_SCRIPTS_RUN("simpctscriptsrun", "", LL_SIM_STAT_PCTSCRIPTSRUN),
+							SIM_IN_PACKETS_PER_SEC("siminpps", "", LL_SIM_STAT_INPPS),
+							SIM_OUT_PACKETS_PER_SEC("simoutpps", "", LL_SIM_STAT_OUTPPS),
+							SIM_PENDING_DOWNLOADS("simpendingdownloads", "", LL_SIM_STAT_PENDING_DOWNLOADS),
+							SIM_PENDING_UPLOADS("simpendinguploads", "", LL_SIM_STAT_PENDING_UPLOADS),
+							SIM_PENDING_LOCAL_UPLOADS("simpendinglocaluploads", "", LL_SIM_STAT_PENDING_LOCAL_UPLOADS),
+							SIM_PHYSICS_PINNED_TASKS("physicspinnedtasks", "", LL_SIM_STAT_PHYSICS_PINNED_TASKS),
+							SIM_PHYSICS_LOD_TASKS("physicslodtasks", "", LL_SIM_STAT_PHYSICS_LOD_TASKS);
+
+LLTrace::Measurement<>		FPS_SAMPLE("fpssample"),
+							NUM_IMAGES("numimagesstat"),
+							NUM_RAW_IMAGES("numrawimagesstat"),
+							NUM_OBJECTS("numobjectsstat"),
+							NUM_ACTIVE_OBJECTS("numactiveobjectsstat"),
+							NUM_NEW_OBJECTS("numnewobjectsstat"),
+							NUM_SIZE_CULLED("numsizeculledstat"),
+							NUM_VIS_CULLED("numvisculledstat"),
+							ENABLE_VBO("enablevbo", "Vertex Buffers Enabled"),
+							LIGHTING_DETAIL("lightingdetail", "Lighting Detail"),
+							VISIBLE_AVATARS("visibleavatars", "Visible Avatars"),
+							SHADER_OBJECTS("shaderobjects", "Object Shaders"),
+							DRAW_DISTANCE("drawdistance", "Draw Distance"),
+							CHAT_BUBBLES("chatbubbles", "Chat Bubbles Enabled"),
+							PENDING_VFS_OPERATIONS("vfspendingoperations"), 
+							PACKETS_LOST_PERCENT("packetslostpercentstat"),
+							WINDOW_WIDTH("windowwidth", "Window width"),
+							WINDOW_HEIGHT("windowheight", "Window height");
 	
-	std::string mName;
-	BOOL mEnabled;
-	BOOL mIsTimer;
-};
+LLTrace::Measurement<LLTrace::Meters> AGENT_POSITION_SNAP("agentpositionsnap", "agent position corrections");
 
-const StatAttributes STAT_INFO[LLViewerStats::ST_COUNT] =
-{
-	// ST_VERSION
-	StatAttributes("Version", TRUE, FALSE),
-	// ST_AVATAR_EDIT_SECONDS
-	StatAttributes("Seconds in Edit Appearence", FALSE, TRUE),
-	// ST_TOOLBOX_SECONDS
-	StatAttributes("Seconds using Toolbox", FALSE, TRUE),
-	// ST_CHAT_COUNT
-	StatAttributes("Chat messages sent", FALSE, FALSE),
-	// ST_IM_COUNT
-	StatAttributes("IMs sent", FALSE, FALSE),
-	// ST_FULLSCREEN_BOOL
-	StatAttributes("Fullscreen mode", FALSE, FALSE),
-	// ST_RELEASE_COUNT
-	StatAttributes("Object release count", FALSE, FALSE),
-	// ST_CREATE_COUNT
-	StatAttributes("Object create count", FALSE, FALSE),
-	// ST_REZ_COUNT
-	StatAttributes("Object rez count", FALSE, FALSE),
-	// ST_FPS_10_SECONDS
-	StatAttributes("Seconds below 10 FPS", FALSE, TRUE),
-	// ST_FPS_2_SECONDS
-	StatAttributes("Seconds below 2 FPS", FALSE, TRUE),
-	// ST_MOUSELOOK_SECONDS
-	StatAttributes("Seconds in Mouselook", FALSE, TRUE),
-	// ST_FLY_COUNT
-	StatAttributes("Fly count", FALSE, FALSE),
-	// ST_TELEPORT_COUNT
-	StatAttributes("Teleport count", FALSE, FALSE),
-	// ST_OBJECT_DELETE_COUNT
-	StatAttributes("Objects deleted", FALSE, FALSE),
-	// ST_SNAPSHOT_COUNT
-	StatAttributes("Snapshots taken", FALSE, FALSE),
-	// ST_UPLOAD_SOUND_COUNT
-	StatAttributes("Sounds uploaded", FALSE, FALSE),
-	// ST_UPLOAD_TEXTURE_COUNT
-	StatAttributes("Textures uploaded", FALSE, FALSE),
-	// ST_EDIT_TEXTURE_COUNT
-	StatAttributes("Changes to textures on objects", FALSE, FALSE),
-	// ST_KILLED_COUNT
-	StatAttributes("Number of times killed", FALSE, FALSE),
-	// ST_FRAMETIME_JITTER
-	StatAttributes("Average delta between sucessive frame times", FALSE, FALSE),
-	// ST_FRAMETIME_SLEW
-	StatAttributes("Average delta between frame time and mean", FALSE, FALSE),
-	// ST_INVENTORY_TOO_LONG
-	StatAttributes("Inventory took too long to load", FALSE, FALSE),
-	// ST_WEARABLES_TOO_LONG
-	StatAttributes("Wearables took too long to load", FALSE, FALSE),
-	// ST_LOGIN_SECONDS
-	StatAttributes("Time between LoginRequest and LoginReply", FALSE, FALSE),
-	// ST_LOGIN_TIMEOUT_COUNT
-	StatAttributes("Number of login attempts that timed out", FALSE, FALSE),
-	// ST_HAS_BAD_TIMER
-	StatAttributes("Known bad timer if != 0.0", FALSE, FALSE),
-	// ST_DOWNLOAD_FAILED
-	StatAttributes("Number of times LLAssetStorage::getAssetData() has failed", FALSE, FALSE),
-	// ST_LSL_SAVE_COUNT
-	StatAttributes("Number of times user has saved a script", FALSE, FALSE),
-	// ST_UPLOAD_ANIM_COUNT
-	StatAttributes("Animations uploaded", FALSE, FALSE),
-	// ST_FPS_8_SECONDS
-	StatAttributes("Seconds below 8 FPS", FALSE, TRUE),
-	// ST_SIM_FPS_20_SECONDS
-	StatAttributes("Seconds with sim FPS below 20", FALSE, TRUE),
-	// ST_PHYS_FPS_20_SECONDS
-	StatAttributes("Seconds with physics FPS below 20", FALSE, TRUE),
-	// ST_LOSS_05_SECONDS
-	StatAttributes("Seconds with packet loss > 5%", FALSE, TRUE),
-	// ST_FPS_DROP_50_RATIO
-	StatAttributes("Ratio of frames 2x longer than previous", FALSE, FALSE),
-	// ST_ENABLE_VBO
-	StatAttributes("Vertex Buffers Enabled", TRUE, FALSE),
-	// ST_DELTA_BANDWIDTH
-	StatAttributes("Increase/Decrease in bandwidth based on packet loss", FALSE, FALSE),
-	// ST_MAX_BANDWIDTH
-	StatAttributes("Max bandwidth setting", FALSE, FALSE),
-	// ST_LIGHTING_DETAIL
-	StatAttributes("Lighting Detail", FALSE, FALSE),
-	// ST_VISIBLE_AVATARS
-	StatAttributes("Visible Avatars", FALSE, FALSE),
-	// ST_SHADER_OJECTS
-	StatAttributes("Object Shaders", FALSE, FALSE),
-	// ST_SHADER_ENVIRONMENT
-	StatAttributes("Environment Shaders", FALSE, FALSE),
-	// ST_VISIBLE_DRAW_DIST
-	StatAttributes("Draw Distance", FALSE, FALSE),
-	// ST_VISIBLE_CHAT_BUBBLES
-	StatAttributes("Chat Bubbles Enabled", FALSE, FALSE),
-	// ST_SHADER_AVATAR
-	StatAttributes("Avatar Shaders", FALSE, FALSE),
-	// ST_FRAME_SECS
-	StatAttributes("FRAME_SECS", FALSE, FALSE),
-	// ST_UPDATE_SECS
-	StatAttributes("UPDATE_SECS", FALSE, FALSE),
-	// ST_NETWORK_SECS
-	StatAttributes("NETWORK_SECS", FALSE, FALSE),
-	// ST_IMAGE_SECS
-	StatAttributes("IMAGE_SECS", FALSE, FALSE),
-	// ST_REBUILD_SECS
-	StatAttributes("REBUILD_SECS", FALSE, FALSE),
-	// ST_RENDER_SECS
-	StatAttributes("RENDER_SECS", FALSE, FALSE),
-	// ST_CROSSING_AVG
-	StatAttributes("CROSSING_AVG", FALSE, FALSE),
-	// ST_CROSSING_MAX
-	StatAttributes("CROSSING_MAX", FALSE, FALSE),
-	// ST_LIBXUL_WIDGET_USED
-	StatAttributes("LibXUL Widget used", FALSE, FALSE), // Unused
-	// ST_WINDOW_WIDTH
-	StatAttributes("Window width", FALSE, FALSE),
-	// ST_WINDOW_HEIGHT
-	StatAttributes("Window height", FALSE, FALSE),
-	// ST_TEX_BAKES
-	StatAttributes("Texture Bakes", FALSE, FALSE),
-	// ST_TEX_REBAKES
-	StatAttributes("Texture Rebakes", FALSE, FALSE)
 
-};
+LLTrace::Measurement<LLTrace::Bytes>	GL_TEX_MEM("gltexmemstat"),
+										GL_BOUND_MEM("glboundmemstat"),
+										RAW_MEM("rawmemstat"),
+										FORMATTED_MEM("formattedmemstat"),
+										DELTA_BANDWIDTH("deltabandwidth", "Increase/Decrease in bandwidth based on packet loss"),
+										MAX_BANDWIDTH("maxbandwidth", "Max bandwidth setting");
 
-LLViewerStats::LLViewerStats() :
-	mKBitStat("kbitstat"),
-	mLayersKBitStat("layerskbitstat"),
-	mObjectKBitStat("objectkbitstat"),
-	mAssetKBitStat("assetkbitstat"),
-	mTextureKBitStat("texturekbitstat"),
-	mVFSPendingOperations("vfspendingoperations"),
-	mObjectsDrawnStat("objectsdrawnstat"),
-	mObjectsCulledStat("objectsculledstat"),
-	mObjectsTestedStat("objectstestedstat"),
-	mObjectsComparedStat("objectscomparedstat"),
-	mObjectsOccludedStat("objectsoccludedstat"),
-	mFPSStat("fpsstat"),
-	mPacketsInStat("packetsinstat"),
-	mPacketsLostStat("packetsloststat"),
-	mPacketsOutStat("packetsoutstat"),
-	mPacketsLostPercentStat("packetslostpercentstat", 64),
-	mTexturePacketsStat("texturepacketsstat"),
-	mActualInKBitStat("actualinkbitstat"),
-	mActualOutKBitStat("actualoutkbitstat"),
-	mTrianglesDrawnStat("trianglesdrawnstat"),
-	mSimTimeDilation("simtimedilation"),
-	mSimFPS("simfps"),
-	mSimPhysicsFPS("simphysicsfps"),
-	mSimAgentUPS("simagentups"),
-	mSimScriptEPS("simscripteps"),
-	mSimFrameMsec("simframemsec"),
-	mSimNetMsec("simnetmsec"),
-	mSimSimOtherMsec("simsimothermsec"),
-	mSimSimPhysicsMsec("simsimphysicsmsec"),
-	mSimSimPhysicsStepMsec("simsimphysicsstepmsec"),
-	mSimSimPhysicsShapeUpdateMsec("simsimphysicsshapeupdatemsec"),
-	mSimSimPhysicsOtherMsec("simsimphysicsothermsec"),
-	mSimSimAIStepMsec("simsimaistepmsec"),
-	mSimSimSkippedSilhouetteSteps("simsimskippedsilhouettesteps"),
-	mSimSimPctSteppedCharacters("simsimpctsteppedcharacters"),
-	mSimAgentMsec("simagentmsec"),
-	mSimImagesMsec("simimagesmsec"),
-	mSimScriptMsec("simscriptmsec"),
-	mSimSpareMsec("simsparemsec"),
-	mSimSleepMsec("simsleepmsec"),
-	mSimPumpIOMsec("simpumpiomsec"),
-	mSimMainAgents("simmainagents"),
-	mSimChildAgents("simchildagents"),
-	mSimObjects("simobjects"),
-	mSimActiveObjects("simactiveobjects"),
-	mSimActiveScripts("simactivescripts"),
-	mSimPctScriptsRun("simpctscriptsrun"),
-	mSimInPPS("siminpps"),
-	mSimOutPPS("simoutpps"),
-	mSimPendingDownloads("simpendingdownloads"),
-	mSimPendingUploads("simpendinguploads"),
-	mSimPendingLocalUploads("simpendinglocaluploads"),
-	mSimTotalUnackedBytes("simtotalunackedbytes"),
-	mPhysicsPinnedTasks("physicspinnedtasks"),
-	mPhysicsLODTasks("physicslodtasks"),
-	mPhysicsMemoryAllocated("physicsmemoryallocated"),
-	mSimPingStat("simpingstat"),
-	mNumImagesStat("numimagesstat", 32, TRUE),
-	mNumRawImagesStat("numrawimagesstat", 32, TRUE),
-	mGLTexMemStat("gltexmemstat", 32, TRUE),
-	mGLBoundMemStat("glboundmemstat", 32, TRUE),
-	mRawMemStat("rawmemstat", 32, TRUE),
-	mFormattedMemStat("formattedmemstat", 32, TRUE),
-	mNumObjectsStat("numobjectsstat"),
-	mNumActiveObjectsStat("numactiveobjectsstat"),
-	mNumNewObjectsStat("numnewobjectsstat"),
-	mNumSizeCulledStat("numsizeculledstat"),
-	mNumVisCulledStat("numvisculledstat"),
-	mLastTimeDiff(0.0)
-{
-	for (S32 i = 0; i < ST_COUNT; i++)
-	{
-		mStats[i] = 0.0;
-	}
 	
-	if (LLTimer::knownBadTimer())
-	{
-		mStats[ST_HAS_BAD_TIMER] = 1.0;
-	}	
+SimMeasurement<LLTrace::Milliseconds> SIM_FRAME_TIME("simframemsec", "", LL_SIM_STAT_FRAMEMS),
+										SIM_NET_TIME("simnetmsec", "", LL_SIM_STAT_NETMS),
+										SIM_OTHER_TIME("simsimothermsec", "", LL_SIM_STAT_SIMOTHERMS),
+										SIM_PHYSICS_TIME("simsimphysicsmsec", "", LL_SIM_STAT_SIMPHYSICSMS),
+										SIM_PHYSICS_STEP_TIME("simsimphysicsstepmsec", "", LL_SIM_STAT_SIMPHYSICSSTEPMS),
+										SIM_PHYSICS_SHAPE_UPDATE_TIME("simsimphysicsshapeupdatemsec", "", LL_SIM_STAT_SIMPHYSICSSHAPEMS),
+										SIM_PHYSICS_OTHER_TIME("simsimphysicsothermsec", "", LL_SIM_STAT_SIMPHYSICSOTHERMS),
+										SIM_AI_TIME("simsimaistepmsec", "", LL_SIM_STAT_SIMAISTEPTIMEMS),
+										SIM_AGENTS_TIME("simagentmsec", "", LL_SIM_STAT_AGENTMS),
+										SIM_IMAGES_TIME("simimagesmsec", "", LL_SIM_STAT_IMAGESMS),
+										SIM_SCRIPTS_TIME("simscriptmsec", "", LL_SIM_STAT_SCRIPTMS),
+										SIM_SPARE_TIME("simsparemsec", "", LL_SIM_STAT_SIMSPARETIME),
+										SIM_SLEEP_TIME("simsleepmsec", "", LL_SIM_STAT_SIMSLEEPTIME),
+										SIM_PUMP_IO_TIME("simpumpiomsec", "", LL_SIM_STAT_IOPUMPTIME);
 	
-	mAgentPositionSnaps.reset();
-}
-
-LLViewerStats::~LLViewerStats()
-{
-}
-
-void LLViewerStats::resetStats()
-{
-	LLViewerStats::getInstance()->mKBitStat.reset();
-	LLViewerStats::getInstance()->mLayersKBitStat.reset();
-	LLViewerStats::getInstance()->mObjectKBitStat.reset();
-	LLViewerStats::getInstance()->mTextureKBitStat.reset();
-	LLViewerStats::getInstance()->mVFSPendingOperations.reset();
-	LLViewerStats::getInstance()->mAssetKBitStat.reset();
-	LLViewerStats::getInstance()->mPacketsInStat.reset();
-	LLViewerStats::getInstance()->mPacketsLostStat.reset();
-	LLViewerStats::getInstance()->mPacketsOutStat.reset();
-	LLViewerStats::getInstance()->mFPSStat.reset();
-	LLViewerStats::getInstance()->mTexturePacketsStat.reset();
+SimMeasurement<LLTrace::Bytes> SIM_UNACKED_BYTES("simtotalunackedbytes", "", LL_SIM_STAT_TOTAL_UNACKED_BYTES),
+								SIM_PHYSICS_MEM("physicsmemoryallocated", "", LL_SIM_STAT_SIMPHYSICSMEMORY);
+
+
+LLTrace::Measurement<LLTrace::Milliseconds>	FRAMETIME_JITTER("frametimejitter", "Average delta between successive frame times"),
+											FRAMETIME_SLEW("frametimeslew", "Average delta between frame time and mean"),
+											LOGIN_SECONDS("loginseconds", "Time between LoginRequest and LoginReply"),
+											REGION_CROSSING_TIME("regioncrossingtime", "CROSSING_AVG"),
+											FRAME_STACKTIME("framestacktime", "FRAME_SECS"),
+											UPDATE_STACKTIME("updatestacktime", "UPDATE_SECS"),
+											NETWORK_STACKTIME("networkstacktime", "NETWORK_SECS"),
+											IMAGE_STACKTIME("imagestacktime", "IMAGE_SECS"),
+											REBUILD_STACKTIME("rebuildstacktime", "REBUILD_SECS"),
+											RENDER_STACKTIME("renderstacktime", "RENDER_SECS"),
+											SIM_PING("simpingstat");
 	
-	LLViewerStats::getInstance()->mAgentPositionSnaps.reset();
 }
 
-
-F64 LLViewerStats::getStat(EStatType type) const
+LLViewerStats::LLViewerStats() 
+:	mLastTimeDiff(0.0)
 {
-	return mStats[type];
+	mRecording.start();
+	LLTrace::get_frame_recording().start();
 }
 
-F64 LLViewerStats::setStat(EStatType type, F64 value)
+LLViewerStats::~LLViewerStats()
 {
-	mStats[type] = value;
-	return mStats[type];
 }
 
-F64 LLViewerStats::incStat(EStatType type, F64 value)
+void LLViewerStats::resetStats()
 {
-	mStats[type] += value;
-	return mStats[type];
+	LLViewerStats::instance().mRecording.reset();
 }
 
 void LLViewerStats::updateFrameStats(const F64 time_diff)
 {
-	if (mPacketsLostPercentStat.getCurrent() > 5.0)
+	LLTrace::Seconds time_diff_seconds(time_diff);
+	if (getRecording().getLastValue(LLStatViewer::PACKETS_LOST_PERCENT) > 5.0)
 	{
-		incStat(LLViewerStats::ST_LOSS_05_SECONDS, time_diff);
+		LLStatViewer::LOSS_5_PERCENT_TIME.add(time_diff_seconds);
 	}
 	
-	if (mSimFPS.getCurrent() < 20.f && mSimFPS.getCurrent() > 0.f)
+	F32 sim_fps = getRecording().getLastValue(LLStatViewer::SIM_FPS);
+	if (0.f < sim_fps && sim_fps < 20.f)
 	{
-		incStat(LLViewerStats::ST_SIM_FPS_20_SECONDS, time_diff);
+		LLStatViewer::SIM_20_FPS_TIME.add(time_diff_seconds);
 	}
 	
-	if (mSimPhysicsFPS.getCurrent() < 20.f && mSimPhysicsFPS.getCurrent() > 0.f)
+	F32 sim_physics_fps = getRecording().getLastValue(LLStatViewer::SIM_PHYSICS_FPS);
+
+	if (0.f < sim_physics_fps && sim_physics_fps < 20.f)
 	{
-		incStat(LLViewerStats::ST_PHYS_FPS_20_SECONDS, time_diff);
+		LLStatViewer::SIM_PHYSICS_20_FPS_TIME.add(time_diff_seconds);
 	}
 		
 	if (time_diff >= 0.5)
 	{
-		incStat(LLViewerStats::ST_FPS_2_SECONDS, time_diff);
+		LLStatViewer::FPS_2_TIME.add(time_diff_seconds);
 	}
 	if (time_diff >= 0.125)
 	{
-		incStat(LLViewerStats::ST_FPS_8_SECONDS, time_diff);
+		LLStatViewer::FPS_8_TIME.add(time_diff_seconds);
 	}
 	if (time_diff >= 0.1)
 	{
-		incStat(LLViewerStats::ST_FPS_10_SECONDS, time_diff);
+		LLStatViewer::FPS_10_TIME.add(time_diff_seconds);
 	}
 
 	if (gFrameCount && mLastTimeDiff > 0.0)
 	{
 		// new "stutter" meter
-		setStat(LLViewerStats::ST_FPS_DROP_50_RATIO,
-				(getStat(LLViewerStats::ST_FPS_DROP_50_RATIO) * (F64)(gFrameCount - 1) + 
-				 (time_diff >= 2.0 * mLastTimeDiff ? 1.0 : 0.0)) / gFrameCount);
-			
+		LLStatViewer::FRAMETIME_DOUBLED.add(time_diff >= 2.0 * mLastTimeDiff ? 1 : 0);
 
 		// old stats that were never really used
-		setStat(LLViewerStats::ST_FRAMETIME_JITTER,
-				(getStat(LLViewerStats::ST_FRAMETIME_JITTER) * (gFrameCount - 1) + 
-				 fabs(mLastTimeDiff - time_diff) / mLastTimeDiff) / gFrameCount);
+		LLStatViewer::FRAMETIME_JITTER.sample<LLTrace::Milliseconds>(mLastTimeDiff - time_diff);
 			
 		F32 average_frametime = gRenderStartTime.getElapsedTimeF32() / (F32)gFrameCount;
-		setStat(LLViewerStats::ST_FRAMETIME_SLEW,
-				(getStat(LLViewerStats::ST_FRAMETIME_SLEW) * (gFrameCount - 1) + 
-				 fabs(average_frametime - time_diff) / average_frametime) / gFrameCount);
+		LLStatViewer::FRAMETIME_SLEW.sample<LLTrace::Milliseconds>(average_frametime - time_diff);
 
 		F32 max_bandwidth = gViewerThrottle.getMaxBandwidth();
 		F32 delta_bandwidth = gViewerThrottle.getCurrentBandwidth() - max_bandwidth;
-		setStat(LLViewerStats::ST_DELTA_BANDWIDTH, delta_bandwidth / 1024.f);
-
-		setStat(LLViewerStats::ST_MAX_BANDWIDTH, max_bandwidth / 1024.f);
-		
+		LLStatViewer::DELTA_BANDWIDTH.sample<LLTrace::Bits>(delta_bandwidth);
+		LLStatViewer::MAX_BANDWIDTH.sample<LLTrace::Bits>(max_bandwidth);
 	}
 	
 	mLastTimeDiff = time_diff;
-
 }
 
 void LLViewerStats::addToMessage(LLSD &body) const
 {
 	LLSD &misc = body["misc"];
 	
-	for (S32 i = 0; i < ST_COUNT; i++)
-	{
-		if (STAT_INFO[i].mEnabled)
-		{
-			// TODO: send timer value so dataserver can normalize
-			misc[STAT_INFO[i].mName] = mStats[i];
-			llinfos << "STAT: " << STAT_INFO[i].mName << ": " << mStats[i]
-					<< llendl;
-		}
-	}
+	misc["Version"] = TRUE;
+	//TODO RN: get last value, not mean
+	misc["Vertex Buffers Enabled"] = getRecording().getMean(LLStatViewer::ENABLE_VBO);
 	
-	body["AgentPositionSnaps"] = mAgentPositionSnaps.getData();
-	llinfos << "STAT: AgentPositionSnaps: Mean = " << mAgentPositionSnaps.getMean() << "; StdDev = " << mAgentPositionSnaps.getStdDev() 
-			<< "; Count = " << mAgentPositionSnaps.getCount() << llendl;
+	body["AgentPositionSnaps"] = getRecording().getSum(LLStatViewer::AGENT_POSITION_SNAP).value(); //mAgentPositionSnaps.asLLSD();
+	llinfos << "STAT: AgentPositionSnaps: Mean = " << getRecording().getMean(LLStatViewer::AGENT_POSITION_SNAP).value() << "; StdDev = " << getRecording().getStandardDeviation(LLStatViewer::AGENT_POSITION_SNAP).value() 
+			<< "; Count = " << getRecording().getSampleCount(LLStatViewer::AGENT_POSITION_SNAP) << llendl;
 }
 
-// static
-// const std::string LLViewerStats::statTypeToText(EStatType type)
-// {
-// 	if (type >= 0 && type < ST_COUNT)
-// 	{
-// 		return STAT_INFO[type].mName;
-// 	}
-// 	else
-// 	{
-// 		return "Unknown statistic";
-// 	}
-// }
-
 // *NOTE:Mani The following methods used to exist in viewer.cpp
 // Moving them here, but not merging them into LLViewerStats yet.
-void reset_statistics()
-{
-	if (LLSurface::sTextureUpdateTime)
-	{
-		LLSurface::sTexelsUpdated = 0;
-		LLSurface::sTextureUpdateTime = 0.f;
-	}
-}
-
-
-void output_statistics(void*)
-{
-	llinfos << "Number of orphans: " << gObjectList.getOrphanCount() << llendl;
-	llinfos << "Number of dead objects: " << gObjectList.mNumDeadObjects << llendl;
-	llinfos << "Num images: " << gTextureList.getNumImages() << llendl;
-	llinfos << "Texture usage: " << LLImageGL::sGlobalTextureMemoryInBytes << llendl;
-	llinfos << "Texture working set: " << LLImageGL::sBoundTextureMemoryInBytes << llendl;
-	llinfos << "Raw usage: " << LLImageRaw::sGlobalRawMemory << llendl;
-	llinfos << "Formatted usage: " << LLImageFormatted::sGlobalFormattedMemory << llendl;
-	llinfos << "Zombie Viewer Objects: " << LLViewerObject::getNumZombieObjects() << llendl;
-	llinfos << "Number of lights: " << gPipeline.getLightCount() << llendl;
-
-	llinfos << "Memory Usage:" << llendl;
-	llinfos << "--------------------------------" << llendl;
-	llinfos << "Pipeline:" << llendl;
-	llinfos << llendl;
-
-#if LL_SMARTHEAP
-	llinfos << "--------------------------------" << llendl;
-	{
-		llinfos << "sizeof(LLVOVolume) = " << sizeof(LLVOVolume) << llendl;
-
-		U32 total_pool_size = 0;
-		U32 total_used_size = 0;
-		MEM_POOL_INFO pool_info;
-		MEM_POOL_STATUS pool_status;
-		U32 pool_num = 0;
-		for(pool_status = MemPoolFirst( &pool_info, 1 ); 
-			pool_status != MEM_POOL_END; 
-			pool_status = MemPoolNext( &pool_info, 1 ) )
-		{
-			llinfos << "Pool #" << pool_num << llendl;
-			if( MEM_POOL_OK != pool_status )
-			{
-				llwarns << "Pool not ok" << llendl;
-				continue;
-			}
-
-			llinfos << "Pool blockSizeFS " << pool_info.blockSizeFS
-				<< " pageSize " << pool_info.pageSize
-				<< llendl;
-
-			U32 pool_count = MemPoolCount(pool_info.pool);
-			llinfos << "Blocks " << pool_count << llendl;
-
-			U32 pool_size = MemPoolSize( pool_info.pool );
-			if( pool_size == MEM_ERROR_RET )
-			{
-				llinfos << "MemPoolSize() failed (" << pool_num << ")" << llendl;
-			}
-			else
-			{
-				llinfos << "MemPool Size " << pool_size / 1024 << "K" << llendl;
-			}
-
-			total_pool_size += pool_size;
-
-			if( !MemPoolLock( pool_info.pool ) )
-			{
-				llinfos << "MemPoolLock failed (" << pool_num << ") " << llendl;
-				continue;
-			}
-
-			U32 used_size = 0; 
-			MEM_POOL_ENTRY entry;
-			entry.entry = NULL;
-			while( MemPoolWalk( pool_info.pool, &entry ) == MEM_POOL_OK )
-			{
-				if( entry.isInUse )
-				{
-					used_size += entry.size;
-				}
-			}
-
-			MemPoolUnlock( pool_info.pool );
-
-			llinfos << "MemPool Used " << used_size/1024 << "K" << llendl;
-			total_used_size += used_size;
-			pool_num++;
-		}
-		
-		llinfos << "Total Pool Size " << total_pool_size/1024 << "K" << llendl;
-		llinfos << "Total Used Size " << total_used_size/1024 << "K" << llendl;
-
-	}
-#endif
-
-	llinfos << "--------------------------------" << llendl;
-	llinfos << "Avatar Memory (partly overlaps with above stats):" << llendl;
-	LLTexLayerStaticImageList::getInstance()->dumpByteCount();
-	LLVOAvatarSelf::dumpScratchTextureByteCount();
-	LLTexLayerSetBuffer::dumpTotalByteCount();
-	LLVOAvatarSelf::dumpTotalLocalTextureByteCount();
-	LLTexLayerParamAlpha::dumpCacheByteCount();
-	LLVOAvatar::dumpBakedStatus();
-
-	llinfos << llendl;
-
-	llinfos << "Object counts:" << llendl;
-	S32 i;
-	S32 obj_counts[256];
-//	S32 app_angles[256];
-	for (i = 0; i < 256; i++)
-	{
-		obj_counts[i] = 0;
-	}
-	for (i = 0; i < gObjectList.getNumObjects(); i++)
-	{
-		LLViewerObject *objectp = gObjectList.getObject(i);
-		if (objectp)
-		{
-			obj_counts[objectp->getPCode()]++;
-		}
-	}
-	for (i = 0; i < 256; i++)
-	{
-		if (obj_counts[i])
-		{
-			llinfos << LLPrimitive::pCodeToString(i) << ":" << obj_counts[i] << llendl;
-		}
-	}
-}
-
-
-U32		gTotalLandIn = 0, gTotalLandOut = 0;
-U32		gTotalWaterIn = 0, gTotalWaterOut = 0;
-
-F32		gAveLandCompression = 0.f, gAveWaterCompression = 0.f;
-F32		gBestLandCompression = 1.f, gBestWaterCompression = 1.f;
-F32		gWorstLandCompression = 0.f, gWorstWaterCompression = 0.f;
-
-
-
-U32		gTotalWorldBytes = 0, gTotalObjectBytes = 0, gTotalTextureBytes = 0, gSimPingCount = 0;
-U32		gObjectBits = 0;
+U32		gTotalLandIn = 0, 
+		gTotalLandOut = 0,
+		gTotalWaterIn = 0, 
+		gTotalWaterOut = 0;
+
+F32		gAveLandCompression = 0.f, 
+		gAveWaterCompression = 0.f,
+		gBestLandCompression = 1.f,
+		gBestWaterCompression = 1.f,
+		gWorstLandCompression = 0.f, 
+		gWorstWaterCompression = 0.f;
+
+LLUnit<LLUnits::Bytes, U32>		gTotalWorldData = 0, 
+						gTotalObjectData = 0, 
+						gTotalTextureData = 0;
+U32						gSimPingCount = 0;
+LLUnit<LLUnits::Bits, U32>		gObjectData = 0;
 F32		gAvgSimPing = 0.f;
-U32     gTotalTextureBytesPerBoostLevel[LLViewerTexture::MAX_GL_IMAGE_CATEGORY] = {0};
+LLUnit<LLUnits::Bytes, U32>		gTotalTextureBytesPerBoostLevel[LLViewerTexture::MAX_GL_IMAGE_CATEGORY] = {0};
 
 extern U32  gVisCompared;
 extern U32  gVisTested;
 
-std::map<S32,LLFrameTimer> gDebugTimers;
-std::map<S32,std::string> gDebugTimerLabel;
-
-void init_statistics()
-{
-	// Label debug timers
-	gDebugTimerLabel[0] = "Texture";
-}
+LLFrameTimer gTextureTimer;
 
-void update_statistics(U32 frame_count)
+void update_statistics()
 {
-	gTotalWorldBytes += gVLManager.getTotalBytes();
-	gTotalObjectBytes += gObjectBits / 8;
+	gTotalWorldData += gVLManager.getTotalBytes();
+	gTotalObjectData += gObjectData;
 
 	// make sure we have a valid time delta for this frame
 	if (gFrameIntervalSeconds > 0.f)
 	{
 		if (gAgentCamera.getCameraMode() == CAMERA_MODE_MOUSELOOK)
 		{
-			LLViewerStats::getInstance()->incStat(LLViewerStats::ST_MOUSELOOK_SECONDS, gFrameIntervalSeconds);
+			LLStatViewer::MOUSELOOK_TIME.add(gFrameIntervalSeconds);
 		}
 		else if (gAgentCamera.getCameraMode() == CAMERA_MODE_CUSTOMIZE_AVATAR)
 		{
-			LLViewerStats::getInstance()->incStat(LLViewerStats::ST_AVATAR_EDIT_SECONDS, gFrameIntervalSeconds);
+			LLStatViewer::AVATAR_EDIT_TIME.add(gFrameIntervalSeconds);
 		}
 		else if (LLFloaterReg::instanceVisible("build"))
 		{
-			LLViewerStats::getInstance()->incStat(LLViewerStats::ST_TOOLBOX_SECONDS, gFrameIntervalSeconds);
+			LLStatViewer::TOOLBOX_TIME.add(gFrameIntervalSeconds);
 		}
 	}
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_ENABLE_VBO, (F64)gSavedSettings.getBOOL("RenderVBOEnable"));
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_LIGHTING_DETAIL, (F64)gPipeline.getLightingDetail());
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_DRAW_DIST, (F64)gSavedSettings.getF32("RenderFarClip"));
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_CHAT_BUBBLES, (F64)gSavedSettings.getBOOL("UseChatBubbles"));
-#if 0 // 1.9.2
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_SHADER_OBJECTS, (F64)gSavedSettings.getS32("VertexShaderLevelObject"));
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_SHADER_AVATAR, (F64)gSavedSettings.getBOOL("VertexShaderLevelAvatar"));
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_SHADER_ENVIRONMENT, (F64)gSavedSettings.getBOOL("VertexShaderLevelEnvironment"));
-#endif
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_FRAME_SECS, gDebugView->mFastTimerView->getTime("Frame"));
+	LLStatViewer::ENABLE_VBO.sample((F64)gSavedSettings.getBOOL("RenderVBOEnable"));
+	LLStatViewer::LIGHTING_DETAIL.sample((F64)gPipeline.getLightingDetail());
+	LLStatViewer::DRAW_DISTANCE.sample((F64)gSavedSettings.getF32("RenderFarClip"));
+	LLStatViewer::CHAT_BUBBLES.sample((F64)gSavedSettings.getBOOL("UseChatBubbles"));
+
+	LLStatViewer::FRAME_STACKTIME.sample<LLTrace::Seconds>(gDebugView->mFastTimerView->getTime("Frame"));
 	F64 idle_secs = gDebugView->mFastTimerView->getTime("Idle");
 	F64 network_secs = gDebugView->mFastTimerView->getTime("Network");
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_UPDATE_SECS, idle_secs - network_secs);
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_NETWORK_SECS, network_secs);
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_IMAGE_SECS, gDebugView->mFastTimerView->getTime("Update Images"));
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_REBUILD_SECS, gDebugView->mFastTimerView->getTime("Sort Draw State"));
-	LLViewerStats::getInstance()->setStat(LLViewerStats::ST_RENDER_SECS, gDebugView->mFastTimerView->getTime("Geometry"));
+	LLStatViewer::UPDATE_STACKTIME.sample<LLTrace::Seconds>(idle_secs - network_secs);
+	LLStatViewer::NETWORK_STACKTIME.sample<LLTrace::Seconds>(network_secs);
+	LLStatViewer::IMAGE_STACKTIME.sample<LLTrace::Seconds>(gDebugView->mFastTimerView->getTime("Update Images"));
+	LLStatViewer::REBUILD_STACKTIME.sample<LLTrace::Seconds>(gDebugView->mFastTimerView->getTime("Sort Draw State"));
+	LLStatViewer::RENDER_STACKTIME.sample<LLTrace::Seconds>(gDebugView->mFastTimerView->getTime("Geometry"));
 		
 	LLCircuitData *cdp = gMessageSystem->mCircuitInfo.findCircuit(gAgent.getRegion()->getHost());
 	if (cdp)
 	{
-		LLViewerStats::getInstance()->mSimPingStat.addValue(cdp->getPingDelay());
+		LLStatViewer::SIM_PING.sample<LLTrace::Milliseconds>(cdp->getPingDelay());
 		gAvgSimPing = ((gAvgSimPing * (F32)gSimPingCount) + (F32)(cdp->getPingDelay())) / ((F32)gSimPingCount + 1);
 		gSimPingCount++;
 	}
 	else
 	{
-		LLViewerStats::getInstance()->mSimPingStat.addValue(10000);
+		LLStatViewer::SIM_PING.sample<LLTrace::Seconds>(10);
 	}
 
-	LLViewerStats::getInstance()->mFPSStat.addValue(1);
+	LLStatViewer::FPS.add(1);
+	if (LLTrace::get_frame_recording().getTotalRecording().getSampleCount(LLStatViewer::FPS))
+	{
+		LLStatViewer::FPS_SAMPLE.sample(LLTrace::get_frame_recording().getTotalRecording().getPerSec(LLStatViewer::FPS));
+	}
 	F32 layer_bits = (F32)(gVLManager.getLandBits() + gVLManager.getWindBits() + gVLManager.getCloudBits());
-	LLViewerStats::getInstance()->mLayersKBitStat.addValue(layer_bits/1024.f);
-	LLViewerStats::getInstance()->mObjectKBitStat.addValue(gObjectBits/1024.f);
-	LLViewerStats::getInstance()->mVFSPendingOperations.addValue(LLVFile::getVFSThread()->getPending());
-	LLViewerStats::getInstance()->mAssetKBitStat.addValue(gTransferManager.getTransferBitsIn(LLTCT_ASSET)/1024.f);
+	LLStatViewer::LAYERS_KBIT.add<LLTrace::Bits>(layer_bits);
+	LLStatViewer::OBJECT_KBIT.add(gObjectData);
+	LLStatViewer::PENDING_VFS_OPERATIONS.sample(LLVFile::getVFSThread()->getPending());
+	LLStatViewer::ASSET_KBIT.add<LLTrace::Bits>(gTransferManager.getTransferBitsIn(LLTCT_ASSET));
 	gTransferManager.resetTransferBitsIn(LLTCT_ASSET);
 
 	if (LLAppViewer::getTextureFetch()->getNumRequests() == 0)
 	{
-		gDebugTimers[0].pause();
+		gTextureTimer.pause();
 	}
 	else
 	{
-		gDebugTimers[0].unpause();
+		gTextureTimer.unpause();
 	}
 	
 	{
@@ -655,14 +378,14 @@ void update_statistics(U32 frame_count)
 			visible_avatar_frames = 1.f;
 			avg_visible_avatars = (avg_visible_avatars * (F32)(visible_avatar_frames - 1.f) + visible_avatars) / visible_avatar_frames;
 		}
-		LLViewerStats::getInstance()->setStat(LLViewerStats::ST_VISIBLE_AVATARS, (F64)avg_visible_avatars);
+		LLStatViewer::VISIBLE_AVATARS.sample((F64)avg_visible_avatars);
 	}
 	LLWorld::getInstance()->updateNetStats();
 	LLWorld::getInstance()->requestCacheMisses();
 	
 	// Reset all of these values.
 	gVLManager.resetBitCounts();
-	gObjectBits = 0;
+	gObjectData = 0;
 //	gDecodedBits = 0;
 
 	// Only update texture stats periodically so that they are less noisy
@@ -671,15 +394,10 @@ void update_statistics(U32 frame_count)
 		static LLFrameTimer texture_stats_timer;
 		if (texture_stats_timer.getElapsedTimeF32() >= texture_stats_freq)
 		{
-			LLViewerStats::getInstance()->mTextureKBitStat.addValue(LLViewerTextureList::sTextureBits/1024.f);
-			LLViewerStats::getInstance()->mTexturePacketsStat.addValue(LLViewerTextureList::sTexturePackets);
-			gTotalTextureBytes += LLViewerTextureList::sTextureBits / 8;
-			LLViewerTextureList::sTextureBits = 0;
-			LLViewerTextureList::sTexturePackets = 0;
+			gTotalTextureData = LLTrace::Bytes(LLViewerStats::instance().getRecording().getSum(LLStatViewer::TEXTURE_KBIT)).value();
 			texture_stats_timer.reset();
 		}
 	}
-
 }
 
 class ViewerStatsResponder : public LLHTTPClient::Responder
@@ -808,8 +526,8 @@ void send_stats()
 		}
 		else
 		{
-			shader_level = 3;
-		}
+		shader_level = 3;
+	}
 	}
 	else if (gPipeline.canUseWindLightShadersOnObjects())
 	{
@@ -825,9 +543,9 @@ void send_stats()
 
 	LLSD &download = body["downloads"];
 
-	download["world_kbytes"] = gTotalWorldBytes / 1024.0;
-	download["object_kbytes"] = gTotalObjectBytes / 1024.0;
-	download["texture_kbytes"] = gTotalTextureBytes / 1024.0;
+	download["world_kbytes"] = LLTrace::Kilobytes(gTotalWorldData).value();
+	download["object_kbytes"] = LLTrace::Kilobytes(gTotalObjectData).value();
+	download["texture_kbytes"] = LLTrace::Kilobytes(gTotalTextureData).value();
 	download["mesh_kbytes"] = LLMeshRepository::sBytesReceived/1024.0;
 
 	LLSD &in = body["stats"]["net"]["in"];
@@ -868,10 +586,7 @@ void send_stats()
 	S32 window_height = gViewerWindow->getWindowHeightRaw();
 	S32 window_size = (window_width * window_height) / 1024;
 	misc["string_1"] = llformat("%d", window_size);
-	if (gDebugTimers.find(0) != gDebugTimers.end() && gFrameTimeSeconds > 0)
-	{
-		misc["string_2"] = llformat("Texture Time: %.2f, Total Time: %.2f", gDebugTimers[0].getElapsedTimeF32(), gFrameTimeSeconds);
-	}
+	misc["string_2"] = llformat("Texture Time: %.2f, Total Time: %.2f", gTextureTimer.getElapsedTimeF32(), gFrameTimeSeconds);
 
 // 	misc["int_1"] = LLSD::Integer(gSavedSettings.getU32("RenderQualityPerformance")); // Steve: 1.21
 // 	misc["int_2"] = LLSD::Integer(gFrameStalls); // Steve: 1.21
@@ -954,7 +669,7 @@ void LLViewerStats::PhaseMap::clearPhases()
 	mPhaseMap.clear();
 }
 
-LLSD LLViewerStats::PhaseMap::dumpPhases()
+LLSD LLViewerStats::PhaseMap::asLLSD()
 {
 	LLSD result;
 	for (phase_map_t::iterator iter = mPhaseMap.begin(); iter != mPhaseMap.end(); ++iter)
diff --git a/indra/newview/llviewerstats.h b/indra/newview/llviewerstats.h
index 554e4d647e..14ee41dba0 100644
--- a/indra/newview/llviewerstats.h
+++ b/indra/newview/llviewerstats.h
@@ -1,5 +1,5 @@
 /** 
- * @file llviewerstats.h
+ * @file llviewerim_peningtats.h
  * @brief LLViewerStats class header file
  *
  * $LicenseInfo:firstyear=2002&license=viewerlgpl$
@@ -27,171 +27,175 @@
 #ifndef LL_LLVIEWERSTATS_H
 #define LL_LLVIEWERSTATS_H
 
-#include "llstat.h"
+#include "llstatenums.h"
 #include "lltextureinfo.h"
+#include "lltracerecording.h"
+#include "lltrace.h"
+
+namespace LLStatViewer
+{
+
+struct SimMeasurementSampler : public LLInstanceTracker<SimMeasurementSampler, ESimStatID>
+{
+	SimMeasurementSampler(ESimStatID id)
+	:	LLInstanceTracker(id)
+	{}
+	virtual ~SimMeasurementSampler() {}
+	virtual void sample(F64 value) = 0;
+};
+
+template<typename T = F64>
+struct SimMeasurement : public LLTrace::Measurement<T>, public SimMeasurementSampler
+{
+	SimMeasurement(const char* name, const char* description, ESimStatID stat_id)
+	:	LLTrace::Measurement<T>(name, description),
+		SimMeasurementSampler(stat_id)	
+	{}
+
+	using SimMeasurementSampler::getInstance;
+
+	/*virtual*/ void sample(F64 value)
+	{
+		LLTrace::Measurement<T>::sample(T(value));
+	}
+};
+
+extern LLTrace::Count<>						FPS,
+											PACKETS_IN,
+											PACKETS_LOST,
+											PACKETS_OUT,
+											TEXTURE_PACKETS,
+											TRIANGLES_DRAWN,
+											CHAT_COUNT,
+											IM_COUNT,
+											OBJECT_CREATE,
+											OBJECT_REZ,
+											LOADING_WEARABLES_LONG_DELAY,
+											LOGIN_TIMEOUTS,
+											LSL_SAVES,
+											ANIMATION_UPLOADS,
+											FLY,
+											TELEPORT,
+											DELETE_OBJECT,
+											SNAPSHOT,
+											UPLOAD_SOUND,
+											UPLOAD_TEXTURE,
+											EDIT_TEXTURE,
+											KILLED,
+											FRAMETIME_DOUBLED,
+											TEX_BAKES,
+											TEX_REBAKES;
+
+
+extern LLTrace::Count<LLTrace::Kilobits>	KBIT,
+											LAYERS_KBIT,
+											OBJECT_KBIT,
+											ASSET_KBIT,
+											TEXTURE_KBIT,
+											ACTUAL_IN_KBIT,
+											ACTUAL_OUT_KBIT;
+
+extern LLTrace::Count<LLTrace::Seconds>		AVATAR_EDIT_TIME,
+											TOOLBOX_TIME,
+											MOUSELOOK_TIME,
+											FPS_10_TIME,
+											FPS_8_TIME,
+											FPS_2_TIME,
+											SIM_20_FPS_TIME,
+											SIM_PHYSICS_20_FPS_TIME,
+											LOSS_5_PERCENT_TIME;
+
+extern SimMeasurement<>						SIM_TIME_DILATION,
+											SIM_FPS,
+											SIM_PHYSICS_FPS,
+											SIM_AGENT_UPS,
+											SIM_SCRIPT_EPS,
+											SIM_SKIPPED_SILHOUETTE,
+											SIM_SKIPPED_CHARACTERS_PERCENTAGE,
+											SIM_MAIN_AGENTS,
+											SIM_CHILD_AGENTS,
+											SIM_OBJECTS,
+											SIM_ACTIVE_OBJECTS,
+											SIM_ACTIVE_SCRIPTS,
+											SIM_PERCENTAGE_SCRIPTS_RUN,
+											SIM_IN_PACKETS_PER_SEC,
+											SIM_OUT_PACKETS_PER_SEC,
+											SIM_PENDING_DOWNLOADS,
+											SIM_PENDING_UPLOADS,
+											SIM_PENDING_LOCAL_UPLOADS,
+											SIM_PHYSICS_PINNED_TASKS,
+											SIM_PHYSICS_LOD_TASKS;
+
+extern LLTrace::Measurement<>				FPS_SAMPLE,
+											NUM_IMAGES,
+											NUM_RAW_IMAGES,
+											NUM_OBJECTS,
+											NUM_ACTIVE_OBJECTS,
+											NUM_NEW_OBJECTS,
+											NUM_SIZE_CULLED,
+											NUM_VIS_CULLED,
+											ENABLE_VBO,
+											LIGHTING_DETAIL,
+											VISIBLE_AVATARS,
+											SHADER_OBJECTS,
+											DRAW_DISTANCE,
+											CHAT_BUBBLES,
+											PENDING_VFS_OPERATIONS,
+											PACKETS_LOST_PERCENT,
+											WINDOW_WIDTH,
+											WINDOW_HEIGHT;
+
+extern LLTrace::Measurement<LLTrace::Meters> AGENT_POSITION_SNAP;
+
+extern LLTrace::Measurement<LLTrace::Bytes>	DELTA_BANDWIDTH,
+											MAX_BANDWIDTH,
+											GL_TEX_MEM,
+											GL_BOUND_MEM,
+											RAW_MEM,
+											FORMATTED_MEM;
+
+extern SimMeasurement<LLTrace::Milliseconds>	SIM_FRAME_TIME,
+												SIM_NET_TIME,
+												SIM_OTHER_TIME,
+												SIM_PHYSICS_TIME,
+												SIM_PHYSICS_STEP_TIME,
+												SIM_PHYSICS_SHAPE_UPDATE_TIME,
+												SIM_PHYSICS_OTHER_TIME,
+												SIM_AI_TIME,
+												SIM_AGENTS_TIME,
+												SIM_IMAGES_TIME,
+												SIM_SCRIPTS_TIME,
+												SIM_SPARE_TIME,
+												SIM_SLEEP_TIME,
+												SIM_PUMP_IO_TIME;
+
+extern SimMeasurement<LLTrace::Bytes>			SIM_UNACKED_BYTES,
+												SIM_PHYSICS_MEM;
+
+
+extern LLTrace::Measurement<LLTrace::Milliseconds>	FRAMETIME_JITTER,
+													FRAMETIME_SLEW,
+													LOGIN_SECONDS,
+													REGION_CROSSING_TIME,
+													FRAME_STACKTIME,
+													UPDATE_STACKTIME,
+													NETWORK_STACKTIME,
+													IMAGE_STACKTIME,
+													REBUILD_STACKTIME,
+													RENDER_STACKTIME,
+													SIM_PING;
+}
 
 class LLViewerStats : public LLSingleton<LLViewerStats>
 {
 public:
-	LLStat mKBitStat;
-	LLStat mLayersKBitStat;
-	LLStat mObjectKBitStat;
-	LLStat mAssetKBitStat;
-	LLStat mTextureKBitStat;
-	LLStat mVFSPendingOperations;
-	LLStat mObjectsDrawnStat;
-	LLStat mObjectsCulledStat;
-	LLStat mObjectsTestedStat;
-	LLStat mObjectsComparedStat;
-	LLStat mObjectsOccludedStat;
-	LLStat mFPSStat;
-	LLStat mPacketsInStat;
-	LLStat mPacketsLostStat;
-	LLStat mPacketsOutStat;
-	LLStat mPacketsLostPercentStat;
-	LLStat mTexturePacketsStat;
-	LLStat mActualInKBitStat;	// From the packet ring (when faking a bad connection)
-	LLStat mActualOutKBitStat;	// From the packet ring (when faking a bad connection)
-	LLStat mTrianglesDrawnStat;
-
-	// Simulator stats
-	LLStat mSimTimeDilation;
-
-	LLStat mSimFPS;
-	LLStat mSimPhysicsFPS;
-	LLStat mSimAgentUPS;
-	LLStat mSimScriptEPS;
-
-	LLStat mSimFrameMsec;
-	LLStat mSimNetMsec;
-	LLStat mSimSimOtherMsec;
-	LLStat mSimSimPhysicsMsec;
-
-	LLStat mSimSimPhysicsStepMsec;
-	LLStat mSimSimPhysicsShapeUpdateMsec;
-	LLStat mSimSimPhysicsOtherMsec;
-
-	LLStat mSimSimAIStepMsec;
-	LLStat mSimSimSkippedSilhouetteSteps;
-	LLStat mSimSimPctSteppedCharacters;
-
-	LLStat mSimAgentMsec;
-	LLStat mSimImagesMsec;
-	LLStat mSimScriptMsec;
-	LLStat mSimSpareMsec;
-	LLStat mSimSleepMsec;
-	LLStat mSimPumpIOMsec;
-
-	LLStat mSimMainAgents;
-	LLStat mSimChildAgents;
-	LLStat mSimObjects;
-	LLStat mSimActiveObjects;
-	LLStat mSimActiveScripts;
-	LLStat mSimPctScriptsRun;
-
-	LLStat mSimInPPS;
-	LLStat mSimOutPPS;
-	LLStat mSimPendingDownloads;
-	LLStat mSimPendingUploads;
-	LLStat mSimPendingLocalUploads;
-	LLStat mSimTotalUnackedBytes;
-
-	LLStat mPhysicsPinnedTasks;
-	LLStat mPhysicsLODTasks;
-	LLStat mPhysicsMemoryAllocated;
-
-	LLStat mSimPingStat;
-
-	LLStat mNumImagesStat;
-	LLStat mNumRawImagesStat;
-	LLStat mGLTexMemStat;
-	LLStat mGLBoundMemStat;
-	LLStat mRawMemStat;
-	LLStat mFormattedMemStat;
-
-	LLStat mNumObjectsStat;
-	LLStat mNumActiveObjectsStat;
-	LLStat mNumNewObjectsStat;
-	LLStat mNumSizeCulledStat;
-	LLStat mNumVisCulledStat;
-
 	void resetStats();
-public:
-	// If you change this, please also add a corresponding text label
-	// in statTypeToText in llviewerstats.cpp
-	enum EStatType
-	{
-		ST_VERSION = 0,
-		ST_AVATAR_EDIT_SECONDS = 1,
-		ST_TOOLBOX_SECONDS = 2,
-		ST_CHAT_COUNT = 3,
-		ST_IM_COUNT = 4,
-		ST_FULLSCREEN_BOOL = 5,
-		ST_RELEASE_COUNT= 6,
-		ST_CREATE_COUNT = 7,
-		ST_REZ_COUNT = 8,
-		ST_FPS_10_SECONDS = 9,
-		ST_FPS_2_SECONDS = 10,
-		ST_MOUSELOOK_SECONDS = 11,
-		ST_FLY_COUNT = 12,
-		ST_TELEPORT_COUNT = 13,
-		ST_OBJECT_DELETE_COUNT = 14,
-		ST_SNAPSHOT_COUNT = 15,
-		ST_UPLOAD_SOUND_COUNT = 16,
-		ST_UPLOAD_TEXTURE_COUNT = 17,
-		ST_EDIT_TEXTURE_COUNT = 18,
-		ST_KILLED_COUNT = 19,
-		ST_FRAMETIME_JITTER = 20,
-		ST_FRAMETIME_SLEW = 21,
-		ST_INVENTORY_TOO_LONG = 22,
-		ST_WEARABLES_TOO_LONG = 23,
-		ST_LOGIN_SECONDS = 24,
-		ST_LOGIN_TIMEOUT_COUNT = 25,
-		ST_HAS_BAD_TIMER = 26,
-		ST_DOWNLOAD_FAILED = 27,
-		ST_LSL_SAVE_COUNT = 28,
-		ST_UPLOAD_ANIM_COUNT = 29,
-		ST_FPS_8_SECONDS = 30,
-		ST_SIM_FPS_20_SECONDS = 31,
-		ST_PHYS_FPS_20_SECONDS = 32,
-		ST_LOSS_05_SECONDS = 33,
-		ST_FPS_DROP_50_RATIO = 34,
-		ST_ENABLE_VBO = 35,
-		ST_DELTA_BANDWIDTH = 36,
-		ST_MAX_BANDWIDTH = 37,
-		ST_LIGHTING_DETAIL = 38,
-		ST_VISIBLE_AVATARS = 39,
-		ST_SHADER_OBJECTS = 40,
-		ST_SHADER_ENVIRONMENT = 41,
-		ST_DRAW_DIST = 42,
-		ST_CHAT_BUBBLES = 43,
-		ST_SHADER_AVATAR = 44,
-		ST_FRAME_SECS = 45,
-		ST_UPDATE_SECS = 46,
-		ST_NETWORK_SECS = 47,
-		ST_IMAGE_SECS = 48,
-		ST_REBUILD_SECS = 49,
-		ST_RENDER_SECS = 50,
-		ST_CROSSING_AVG = 51,
-		ST_CROSSING_MAX = 52,
-		ST_LIBXUL_WIDGET_USED = 53, // Unused
-		ST_WINDOW_WIDTH = 54,
-		ST_WINDOW_HEIGHT = 55,
-		ST_TEX_BAKES = 56,
-		ST_TEX_REBAKES = 57,
-		
-		ST_COUNT = 58
-	};
 
+public:
 
 	LLViewerStats();
 	~LLViewerStats();
 
-	// all return latest value of given stat
-	F64 getStat(EStatType type) const;
-	F64 setStat(EStatType type, F64 value);		// set the stat to value
-	F64 incStat(EStatType type, F64 value = 1.f);	// add value to the stat
-
 	void updateFrameStats(const F64 time_diff);
 	
 	void addToMessage(LLSD &body) const;
@@ -206,7 +210,7 @@ public:
 		U32 mCountOfNextUpdatesToIgnore;
 
 		inline StatsAccumulator()
-		{
+		{	
 			reset();
 		}
 
@@ -266,7 +270,7 @@ public:
 			mCountOfNextUpdatesToIgnore = 0;
 		}
 		
-		inline LLSD getData() const
+		inline LLSD asLLSD() const
 		{
 			LLSD data;
 			data["mean"] = getMean();
@@ -278,8 +282,6 @@ public:
 		}
 	};
 
-	StatsAccumulator mAgentPositionSnaps;
-
 	// Phase tracking (originally put in for avatar rezzing), tracking
 	// progress of active/completed phases for activities like outfit changing.
 	typedef std::map<std::string,LLFrameTimer>	phase_map_t;
@@ -296,29 +298,28 @@ public:
 		void			stopPhase(const std::string& phase_name);
 		void			stopAllPhases();
 		void			clearPhases();
-		LLSD			dumpPhases();
+		LLSD			asLLSD();
 		static StatsAccumulator& getPhaseStats(const std::string& phase_name);
 		static void recordPhaseStat(const std::string& phase_name, F32 value);
 	};
 
+	LLTrace::Recording& getRecording() { return mRecording; }
+	const LLTrace::Recording& getRecording() const { return mRecording; }
+
 private:
-	F64	mStats[ST_COUNT];
+	LLTrace::Recording				mRecording;
 
-	F64 mLastTimeDiff;  // used for time stat updates
+	F64								mLastTimeDiff;  // used for time stat updates
 };
 
 static const F32 SEND_STATS_PERIOD = 300.0f;
 
 // The following are from (older?) statistics code found in appviewer.
-void init_statistics();
-void reset_statistics();
-void output_statistics(void*);
-void update_statistics(U32 frame_count);
+void update_statistics();
 void send_stats();
 
-extern std::map<S32,LLFrameTimer> gDebugTimers;
-extern std::map<S32,std::string> gDebugTimerLabel;
-extern U32	gTotalTextureBytes;
-extern U32  gTotalObjectBytes;
-extern U32  gTotalTextureBytesPerBoostLevel[] ;
+extern LLFrameTimer gTextureTimer;
+extern LLUnit<LLUnits::Bytes, U32>	gTotalTextureData;
+extern LLUnit<LLUnits::Bytes, U32>  gTotalObjectData;
+extern LLUnit<LLUnits::Bytes, U32>  gTotalTextureBytesPerBoostLevel[] ;
 #endif // LL_LLVIEWERSTATS_H
diff --git a/indra/newview/llviewerstatsrecorder.cpp b/indra/newview/llviewerstatsrecorder.cpp
index e9d21b4848..91e485d01b 100644
--- a/indra/newview/llviewerstatsrecorder.cpp
+++ b/indra/newview/llviewerstatsrecorder.cpp
@@ -27,7 +27,6 @@
 #include "llviewerprecompiledheaders.h"
 #include "llviewerstatsrecorder.h"
 
-#if LL_RECORD_VIEWER_STATS
 
 #include "llfile.h"
 #include "llviewerregion.h"
@@ -45,9 +44,8 @@ LLViewerStatsRecorder* LLViewerStatsRecorder::sInstance = NULL;
 LLViewerStatsRecorder::LLViewerStatsRecorder() :
 	mObjectCacheFile(NULL),
 	mTimer(),
-	mRegionp(NULL),
-	mStartTime(0.f),
-	mProcessingTime(0.f)
+	mStartTime(0.0),
+	mLastSnapshotTime(0.0)
 {
 	if (NULL != sInstance)
 	{
@@ -61,112 +59,77 @@ LLViewerStatsRecorder::~LLViewerStatsRecorder()
 {
 	if (mObjectCacheFile != NULL)
 	{
+		// last chance snapshot
+		writeToLog(0.f);
 		LLFile::close(mObjectCacheFile);
 		mObjectCacheFile = NULL;
 	}
 }
 
-// static
-void LLViewerStatsRecorder::initClass()
-{
-	sInstance = new LLViewerStatsRecorder();
-}
-
-// static
-void LLViewerStatsRecorder::cleanupClass()
-{
-	delete sInstance;
-	sInstance = NULL;
-}
-
-
-void LLViewerStatsRecorder::initStatsRecorder(LLViewerRegion *regionp)
-{
-	if (mObjectCacheFile == NULL)
-	{
-		mStartTime = LLTimer::getTotalTime();
-		mObjectCacheFile = LLFile::fopen(STATS_FILE_NAME, "wb");
-		if (mObjectCacheFile)
-		{	// Write column headers
-			std::ostringstream data_msg;
-			data_msg << "EventTime, "
-				<< "ProcessingTime, "
-				<< "CacheHits, "
-				<< "CacheFullMisses, "
-				<< "CacheCrcMisses, "
-				<< "FullUpdates, "
-				<< "TerseUpdates, "
-				<< "CacheMissRequests, "
-				<< "CacheMissResponses, "
-				<< "CacheUpdateDupes, "
-				<< "CacheUpdateChanges, "
-				<< "CacheUpdateAdds, "
-				<< "CacheUpdateReplacements, "
-				<< "UpdateFailures"
-				<< "\n";
-
-			fwrite(data_msg.str().c_str(), 1, data_msg.str().size(), mObjectCacheFile );
-		}
-	}
-}
-
-void LLViewerStatsRecorder::beginObjectUpdateEvents(LLViewerRegion *regionp)
-{
-	initStatsRecorder(regionp);
-	mRegionp = regionp;
-	mProcessingTime = LLTimer::getTotalTime();
-	clearStats();
-}
-
 void LLViewerStatsRecorder::clearStats()
 {
 	mObjectCacheHitCount = 0;
+	mObjectCacheHitSize = 0;
 	mObjectCacheMissFullCount = 0;
+	mObjectCacheMissFullSize = 0;
 	mObjectCacheMissCrcCount = 0;
+	mObjectCacheMissCrcSize = 0;
 	mObjectFullUpdates = 0;
+	mObjectFullUpdatesSize = 0;
 	mObjectTerseUpdates = 0;
+	mObjectTerseUpdatesSize = 0;
 	mObjectCacheMissRequests = 0;
 	mObjectCacheMissResponses = 0;
+	mObjectCacheMissResponsesSize = 0;
 	mObjectCacheUpdateDupes = 0;
 	mObjectCacheUpdateChanges = 0;
 	mObjectCacheUpdateAdds = 0;
 	mObjectCacheUpdateReplacements = 0;
 	mObjectUpdateFailures = 0;
+	mObjectUpdateFailuresSize = 0;
+	mTextureFetchSize = 0;
 }
 
 
-void LLViewerStatsRecorder::recordObjectUpdateFailure(U32 local_id, const EObjectUpdateType update_type)
+void LLViewerStatsRecorder::recordObjectUpdateFailure(U32 local_id, const EObjectUpdateType update_type, S32 msg_size)
 {
 	mObjectUpdateFailures++;
+	mObjectUpdateFailuresSize += msg_size;
 }
 
-void LLViewerStatsRecorder::recordCacheMissEvent(U32 local_id, const EObjectUpdateType update_type, U8 cache_miss_type)
+void LLViewerStatsRecorder::recordCacheMissEvent(U32 local_id, const EObjectUpdateType update_type, U8 cache_miss_type, S32 msg_size)
 {
 	if (LLViewerRegion::CACHE_MISS_TYPE_FULL == cache_miss_type)
 	{
 		mObjectCacheMissFullCount++;
+		mObjectCacheMissFullSize += msg_size;
 	}
 	else
 	{
 		mObjectCacheMissCrcCount++;
+		mObjectCacheMissCrcSize += msg_size;
 	}
 }
 
-void LLViewerStatsRecorder::recordObjectUpdateEvent(U32 local_id, const EObjectUpdateType update_type, LLViewerObject * objectp)
+void LLViewerStatsRecorder::recordObjectUpdateEvent(U32 local_id, const EObjectUpdateType update_type, LLViewerObject * objectp, S32 msg_size)
 {
 	switch (update_type)
 	{
 	case OUT_FULL:
 		mObjectFullUpdates++;
+		mObjectFullUpdatesSize += msg_size;
 		break;
 	case OUT_TERSE_IMPROVED:
 		mObjectTerseUpdates++;
+		mObjectTerseUpdatesSize += msg_size;
 		break;
 	case OUT_FULL_COMPRESSED:
 		mObjectCacheMissResponses++;
+		mObjectCacheMissResponsesSize += msg_size;
 		break;
 	case OUT_FULL_CACHED:
 		mObjectCacheHitCount++;
+		mObjectCacheHitSize += msg_size;
 		break;
 	default:
 		llwarns << "Unknown update_type" << llendl;
@@ -174,7 +137,7 @@ void LLViewerStatsRecorder::recordObjectUpdateEvent(U32 local_id, const EObjectU
 	};
 }
 
-void LLViewerStatsRecorder::recordCacheFullUpdate(U32 local_id, const EObjectUpdateType update_type, LLViewerRegion::eCacheUpdateResult update_result, LLViewerObject* objectp)
+void LLViewerStatsRecorder::recordCacheFullUpdate(U32 local_id, const EObjectUpdateType update_type, LLViewerRegion::eCacheUpdateResult update_result, LLViewerObject* objectp, S32 msg_size)
 {
 	switch (update_result)
 	{
@@ -201,9 +164,15 @@ void LLViewerStatsRecorder::recordRequestCacheMissesEvent(S32 count)
 	mObjectCacheMissRequests += count;
 }
 
-void LLViewerStatsRecorder::endObjectUpdateEvents()
+void LLViewerStatsRecorder::writeToLog( F32 interval )
 {
-	llinfos << "ILX: " 
+	F64 delta_time = LLTimer::getTotalSeconds() - mLastSnapshotTime;
+	S32 total_objects = mObjectCacheHitCount + mObjectCacheMissCrcCount + mObjectCacheMissFullCount + mObjectFullUpdates + mObjectTerseUpdates + mObjectCacheMissRequests + mObjectCacheMissResponses + mObjectCacheUpdateDupes + mObjectCacheUpdateChanges + mObjectCacheUpdateAdds + mObjectCacheUpdateReplacements + mObjectUpdateFailures;
+
+	if ( delta_time < interval || total_objects == 0) return;
+
+	mLastSnapshotTime = LLTimer::getTotalSeconds();
+	lldebugs << "ILX: " 
 		<< mObjectCacheHitCount << " hits, " 
 		<< mObjectCacheMissFullCount << " full misses, "
 		<< mObjectCacheMissCrcCount << " crc misses, "
@@ -218,41 +187,81 @@ void LLViewerStatsRecorder::endObjectUpdateEvents()
 		<< mObjectUpdateFailures << " update failures"
 		<< llendl;
 
-	S32 total_objects = mObjectCacheHitCount + mObjectCacheMissCrcCount + mObjectCacheMissFullCount + mObjectFullUpdates + mObjectTerseUpdates + mObjectCacheMissRequests + mObjectCacheMissResponses + mObjectCacheUpdateDupes + mObjectCacheUpdateChanges + mObjectCacheUpdateAdds + mObjectCacheUpdateReplacements + mObjectUpdateFailures;
-	if (mObjectCacheFile != NULL &&
-		total_objects > 0)
+	if (mObjectCacheFile == NULL)
 	{
-		std::ostringstream data_msg;
-		F32 processing32 = (F32) ((LLTimer::getTotalTime() - mProcessingTime) / 1000.0);
-
-		data_msg << getTimeSinceStart()
-			<< ", " << processing32
-			<< ", " << mObjectCacheHitCount
-			<< ", " << mObjectCacheMissFullCount
-			<< ", " << mObjectCacheMissCrcCount
-			<< ", " << mObjectFullUpdates
-			<< ", " << mObjectTerseUpdates
-			<< ", " << mObjectCacheMissRequests
-			<< ", " << mObjectCacheMissResponses
-			<< ", " << mObjectCacheUpdateDupes
-			<< ", " << mObjectCacheUpdateChanges
-			<< ", " << mObjectCacheUpdateAdds
-			<< ", " << mObjectCacheUpdateReplacements
-			<< ", " << mObjectUpdateFailures
-			<< "\n";
+		mStartTime = LLTimer::getTotalSeconds();
+		mObjectCacheFile = LLFile::fopen(STATS_FILE_NAME, "wb");
+		if (mObjectCacheFile)
+		{	// Write column headers
+			std::ostringstream data_msg;
+			data_msg << "EventTime(ms)\t"
+				<< "Cache Hits\t"
+				<< "Cache Full Misses\t"
+				<< "Cache Crc Misses\t"
+				<< "Full Updates\t"
+				<< "Terse Updates\t"
+				<< "Cache Miss Requests\t"
+				<< "Cache Miss Responses\t"
+				<< "Cache Update Dupes\t"
+				<< "Cache Update Changes\t"
+				<< "Cache Update Adds\t"
+				<< "Cache Update Replacements\t"
+				<< "Update Failures\t"
+				<< "Cache Hits bps\t"
+				<< "Cache Full Misses bps\t"
+				<< "Cache Crc Misses bps\t"
+				<< "Full Updates bps\t"
+				<< "Terse Updates bps\t"
+				<< "Cache Miss Responses bps\t"
+				<< "Texture Fetch bps\t"
+				<< "\n";
 
-		fwrite(data_msg.str().c_str(), 1, data_msg.str().size(), mObjectCacheFile );
+			fwrite(data_msg.str().c_str(), 1, data_msg.str().size(), mObjectCacheFile );
+		}
+		else
+		{
+			llwarns << "Couldn't open " << STATS_FILE_NAME << " for logging." << llendl;
+			return;
+		}
 	}
 
+	std::ostringstream data_msg;
+
+	data_msg << getTimeSinceStart()
+		<< "\t " << mObjectCacheHitCount
+		<< "\t" << mObjectCacheMissFullCount
+		<< "\t" << mObjectCacheMissCrcCount
+		<< "\t" << mObjectFullUpdates
+		<< "\t" << mObjectTerseUpdates
+		<< "\t" << mObjectCacheMissRequests
+		<< "\t" << mObjectCacheMissResponses
+		<< "\t" << mObjectCacheUpdateDupes
+		<< "\t" << mObjectCacheUpdateChanges
+		<< "\t" << mObjectCacheUpdateAdds
+		<< "\t" << mObjectCacheUpdateReplacements
+		<< "\t" << mObjectUpdateFailures
+		<< "\t" << (mObjectCacheHitSize * 8 / delta_time)
+		<< "\t" << (mObjectCacheMissFullSize * 8 / delta_time)
+		<< "\t" << (mObjectCacheMissCrcSize * 8 / delta_time)
+		<< "\t" << (mObjectFullUpdatesSize * 8 / delta_time)
+		<< "\t" << (mObjectTerseUpdatesSize * 8 / delta_time)
+		<< "\t" << (mObjectCacheMissResponsesSize * 8 / delta_time)
+		<< "\t" << (mTextureFetchSize * 8 / delta_time)
+		<< "\n";
+
+	fwrite(data_msg.str().c_str(), 1, data_msg.str().size(), mObjectCacheFile );
 	clearStats();
 }
 
 F32 LLViewerStatsRecorder::getTimeSinceStart()
 {
-	return (F32) ((LLTimer::getTotalTime() - mStartTime) / 1000.0);
+	return (F32) (LLTimer::getTotalSeconds() - mStartTime);
 }
 
-#endif
+void LLViewerStatsRecorder::recordTextureFetch( S32 msg_size )
+{
+	mTextureFetchSize += msg_size;
+}
 
 
 
diff --git a/indra/newview/llviewerstatsrecorder.h b/indra/newview/llviewerstatsrecorder.h
index 612ac380f7..d1744f4910 100644
--- a/indra/newview/llviewerstatsrecorder.h
+++ b/indra/newview/llviewerstatsrecorder.h
@@ -35,63 +35,111 @@
 #define LL_RECORD_VIEWER_STATS	0
 
 
-#if LL_RECORD_VIEWER_STATS
 #include "llframetimer.h"
 #include "llviewerobject.h"
 #include "llviewerregion.h"
 
 class LLMutex;
-class LLViewerRegion;
 class LLViewerObject;
 
-class LLViewerStatsRecorder
+class LLViewerStatsRecorder : public LLSingleton<LLViewerStatsRecorder>
 {
  public:
+	LOG_CLASS(LLViewerStatsRecorder);	 
 	LLViewerStatsRecorder();
 	~LLViewerStatsRecorder();
 
-	static void initClass();
-	static void cleanupClass();
-	static LLViewerStatsRecorder* instance() {return sInstance; }
+	void objectUpdateFailure(U32 local_id, const EObjectUpdateType update_type, S32 msg_size)
+	{
+#if LL_RECORD_VIEWER_STATS
+		recordObjectUpdateFailure(local_id, update_type, msg_size);
+#endif
+	}
 
-	void initStatsRecorder(LLViewerRegion *regionp);
+	void cacheMissEvent(U32 local_id, const EObjectUpdateType update_type, U8 cache_miss_type, S32 msg_size)
+	{
+#if LL_RECORD_VIEWER_STATS
+		recordCacheMissEvent(local_id, update_type, cache_miss_type, msg_size);
+#endif
+	}
 
-	void beginObjectUpdateEvents(LLViewerRegion *regionp);
-	void recordObjectUpdateFailure(U32 local_id, const EObjectUpdateType update_type);
-	void recordCacheMissEvent(U32 local_id, const EObjectUpdateType update_type, U8 cache_miss_type);
-	void recordObjectUpdateEvent(U32 local_id, const EObjectUpdateType update_type, LLViewerObject * objectp);
-	void recordCacheFullUpdate(U32 local_id, const EObjectUpdateType update_type, LLViewerRegion::eCacheUpdateResult update_result, LLViewerObject* objectp);
-	void recordRequestCacheMissesEvent(S32 count);
-	void endObjectUpdateEvents();
+	void objectUpdateEvent(U32 local_id, const EObjectUpdateType update_type, LLViewerObject * objectp, S32 msg_size)
+	{
+#if LL_RECORD_VIEWER_STATS
+		recordObjectUpdateEvent(local_id, update_type, objectp, msg_size);
+#endif
+	}
+
+	void cacheFullUpdate(U32 local_id, const EObjectUpdateType update_type, LLViewerRegion::eCacheUpdateResult update_result, LLViewerObject* objectp, S32 msg_size)
+	{
+#if LL_RECORD_VIEWER_STATS
+		recordCacheFullUpdate(local_id, update_type, update_result, objectp, msg_size);
+#endif
+	}
+
+	void requestCacheMissesEvent(S32 count)
+	{
+#if LL_RECORD_VIEWER_STATS
+		recordRequestCacheMissesEvent(count);
+#endif
+	}
+
+	void textureFetch(S32 msg_size)
+	{
+#if LL_RECORD_VIEWER_STATS
+		recordTextureFetch(msg_size);
+#endif
+	}
+
+	void log(F32 interval)
+	{
+#if LL_RECORD_VIEWER_STATS
+		writeToLog(interval);
+#endif
+	}
 
 	F32 getTimeSinceStart();
 
 private:
+	void recordObjectUpdateFailure(U32 local_id, const EObjectUpdateType update_type, S32 msg_size);
+	void recordCacheMissEvent(U32 local_id, const EObjectUpdateType update_type, U8 cache_miss_type, S32 msg_size);
+	void recordObjectUpdateEvent(U32 local_id, const EObjectUpdateType update_type, LLViewerObject * objectp, S32 msg_size);
+	void recordCacheFullUpdate(U32 local_id, const EObjectUpdateType update_type, LLViewerRegion::eCacheUpdateResult update_result, LLViewerObject* objectp, S32 msg_size);
+	void recordRequestCacheMissesEvent(S32 count);
+	void recordTextureFetch(S32 msg_size);
+	void writeToLog(F32 interval);
+
 	static LLViewerStatsRecorder* sInstance;
 
 	LLFILE *	mObjectCacheFile;		// File to write data into
 	LLFrameTimer	mTimer;
-	LLViewerRegion*	mRegionp;
 	F64			mStartTime;
-	F64			mProcessingTime;
+	F64			mLastSnapshotTime;
 
 	S32			mObjectCacheHitCount;
+	S32			mObjectCacheHitSize;
 	S32			mObjectCacheMissFullCount;
+	S32			mObjectCacheMissFullSize;
 	S32			mObjectCacheMissCrcCount;
+	S32			mObjectCacheMissCrcSize;
 	S32			mObjectFullUpdates;
+	S32			mObjectFullUpdatesSize;
 	S32			mObjectTerseUpdates;
+	S32			mObjectTerseUpdatesSize;
 	S32			mObjectCacheMissRequests;
 	S32			mObjectCacheMissResponses;
+	S32			mObjectCacheMissResponsesSize;
 	S32			mObjectCacheUpdateDupes;
 	S32			mObjectCacheUpdateChanges;
 	S32			mObjectCacheUpdateAdds;
 	S32			mObjectCacheUpdateReplacements;
 	S32			mObjectUpdateFailures;
+	S32			mObjectUpdateFailuresSize;
+	S32			mTextureFetchSize;
 
 
 	void	clearStats();
 };
-#endif	// LL_RECORD_VIEWER_STATS
 
 #endif // LLVIEWERSTATSRECORDER_H
 
diff --git a/indra/newview/llviewertexteditor.cpp b/indra/newview/llviewertexteditor.cpp
index 99102309a1..122d8f4a96 100644
--- a/indra/newview/llviewertexteditor.cpp
+++ b/indra/newview/llviewertexteditor.cpp
@@ -1144,6 +1144,14 @@ void LLViewerTextEditor::openEmbeddedTexture( LLInventoryItem* item, llwchar wc
 	{
 		preview->setAuxItem( item );
 		preview->setNotecardInfo(mNotecardInventoryID, mObjectID);
+		if (preview->hasString("Title"))
+		{
+			LLStringUtil::format_map_t args;
+			args["[NAME]"] = item->getName();
+			LLUIString title = preview->getString("Title", args);
+			preview->setTitle(title.getString());
+		}
+		preview->getChild<LLUICtrl>("desc")->setValue(item->getDescription());
 	}
 }
 
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index 32cf8cc1b3..fe9f8a2f9b 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -39,7 +39,6 @@
 #include "llimagebmp.h"
 #include "llimagej2c.h"
 #include "llimagetga.h"
-#include "llmemtype.h"
 #include "llstl.h"
 #include "llvfile.h"
 #include "llvfs.h"
@@ -65,6 +64,11 @@
 #include "lltexturecache.h"
 ///////////////////////////////////////////////////////////////////////////////
 
+// extern
+const LLUnit<LLUnits::Megabytes, S32> gMinVideoRam = 32;
+const LLUnit<LLUnits::Megabytes, S32> gMaxVideoRam = 512;
+
+
 // statics
 LLPointer<LLViewerTexture>        LLViewerTexture::sNullImagep = NULL;
 LLPointer<LLViewerTexture>        LLViewerTexture::sBlackImagep = NULL;
@@ -83,11 +87,11 @@ S32 LLViewerTexture::sAuxCount = 0;
 LLFrameTimer LLViewerTexture::sEvaluationTimer;
 F32 LLViewerTexture::sDesiredDiscardBias = 0.f;
 F32 LLViewerTexture::sDesiredDiscardScale = 1.1f;
-S32 LLViewerTexture::sBoundTextureMemoryInBytes = 0;
-S32 LLViewerTexture::sTotalTextureMemoryInBytes = 0;
-S32 LLViewerTexture::sMaxBoundTextureMemInMegaBytes = 0;
-S32 LLViewerTexture::sMaxTotalTextureMemInMegaBytes = 0;
-S32 LLViewerTexture::sMaxDesiredTextureMemInBytes = 0 ;
+LLUnit<LLUnits::Bytes, S32> LLViewerTexture::sBoundTextureMemory = 0;
+LLUnit<LLUnits::Bytes, S32> LLViewerTexture::sTotalTextureMemory = 0;
+LLUnit<LLUnits::Megabytes, S32> LLViewerTexture::sMaxBoundTextureMem = 0;
+LLUnit<LLUnits::Megabytes, S32> LLViewerTexture::sMaxTotalTextureMem = 0;
+LLUnit<LLUnits::Bytes, S32> LLViewerTexture::sMaxDesiredTextureMem = 0 ;
 S8  LLViewerTexture::sCameraMovingDiscardBias = 0 ;
 F32 LLViewerTexture::sCameraMovingBias = 0.0f ;
 S32 LLViewerTexture::sMaxSculptRez = 128 ; //max sculpt image size
@@ -519,17 +523,17 @@ void LLViewerTexture::updateClass(const F32 velocity, const F32 angular_velocity
 		LLViewerMediaTexture::updateClass() ;
 	}
 
-	sBoundTextureMemoryInBytes = LLImageGL::sBoundTextureMemoryInBytes;//in bytes
-	sTotalTextureMemoryInBytes = LLImageGL::sGlobalTextureMemoryInBytes;//in bytes
-	sMaxBoundTextureMemInMegaBytes = gTextureList.getMaxResidentTexMem();//in MB	
-	sMaxTotalTextureMemInMegaBytes = gTextureList.getMaxTotalTextureMem() ;//in MB
-	sMaxDesiredTextureMemInBytes = MEGA_BYTES_TO_BYTES(sMaxTotalTextureMemInMegaBytes) ; //in Bytes, by default and when total used texture memory is small.
+	sBoundTextureMemory = LLImageGL::sBoundTextureMemory;//in bytes
+	sTotalTextureMemory = LLImageGL::sGlobalTextureMemory;//in bytes
+	sMaxBoundTextureMem = gTextureList.getMaxResidentTexMem();//in MB	
+	sMaxTotalTextureMem = gTextureList.getMaxTotalTextureMem() ;//in MB
+	sMaxDesiredTextureMem = sMaxTotalTextureMem ; //in Bytes, by default and when total used texture memory is small.
 
-	if (BYTES_TO_MEGA_BYTES(sBoundTextureMemoryInBytes) >= sMaxBoundTextureMemInMegaBytes ||
-		BYTES_TO_MEGA_BYTES(sTotalTextureMemoryInBytes) >= sMaxTotalTextureMemInMegaBytes)
+	if (sBoundTextureMemory >= sMaxBoundTextureMem ||
+		sTotalTextureMemory >= sMaxTotalTextureMem)
 	{
-		//when texture memory overflows, lower down the threashold to release the textures more aggressively.
-		sMaxDesiredTextureMemInBytes = llmin((S32)(sMaxDesiredTextureMemInBytes * 0.75f) , MEGA_BYTES_TO_BYTES(MAX_VIDEO_RAM_IN_MEGA_BYTES)) ;//512 MB
+		//when texture memory overflows, lower down the threshold to release the textures more aggressively.
+		sMaxDesiredTextureMem = llmin(sMaxDesiredTextureMem * 0.75f, LLUnit<LLUnits::Bytes, S32>(gMaxVideoRam));
 	
 		// If we are using more texture memory than we should,
 		// scale up the desired discard level
@@ -545,8 +549,8 @@ void LLViewerTexture::updateClass(const F32 velocity, const F32 angular_velocity
 		sEvaluationTimer.reset();
 	}
 	else if (sDesiredDiscardBias > 0.0f &&
-			 BYTES_TO_MEGA_BYTES(sBoundTextureMemoryInBytes) < sMaxBoundTextureMemInMegaBytes * texmem_lower_bound_scale &&
-			 BYTES_TO_MEGA_BYTES(sTotalTextureMemoryInBytes) < sMaxTotalTextureMemInMegaBytes * texmem_lower_bound_scale)
+			 sBoundTextureMemory < sMaxBoundTextureMem * texmem_lower_bound_scale &&
+			 sTotalTextureMemory < sMaxTotalTextureMem * texmem_lower_bound_scale)
 	{			 
 		// If we are using less texture memory than we should,
 		// scale down the desired discard level
@@ -564,8 +568,8 @@ void LLViewerTexture::updateClass(const F32 velocity, const F32 angular_velocity
 	sCameraMovingBias = llmax(0.2f * camera_moving_speed, 2.0f * camera_angular_speed - 1);
 	sCameraMovingDiscardBias = (S8)(sCameraMovingBias);
 
-	LLViewerTexture::sFreezeImageScalingDown = (BYTES_TO_MEGA_BYTES(sBoundTextureMemoryInBytes) < 0.75f * sMaxBoundTextureMemInMegaBytes * texmem_middle_bound_scale) &&
-				(BYTES_TO_MEGA_BYTES(sTotalTextureMemoryInBytes) < 0.75f * sMaxTotalTextureMemInMegaBytes * texmem_middle_bound_scale) ;
+	LLViewerTexture::sFreezeImageScalingDown = (sBoundTextureMemory < 0.75f * sMaxBoundTextureMem * texmem_middle_bound_scale) &&
+				(sTotalTextureMemory < 0.75f * sMaxTotalTextureMem * texmem_middle_bound_scale) ;
 }
 
 //end of static functions
@@ -3302,13 +3306,13 @@ void LLViewerLODTexture::processTextureStats()
 				scaleDown() ;
 			}
 			// Limit the amount of GL memory bound each frame
-			else if ( BYTES_TO_MEGA_BYTES(sBoundTextureMemoryInBytes) > sMaxBoundTextureMemInMegaBytes * texmem_middle_bound_scale &&
+			else if ( sBoundTextureMemory > sMaxBoundTextureMem * texmem_middle_bound_scale &&
 				(!getBoundRecently() || mDesiredDiscardLevel >= mCachedRawDiscardLevel))
 			{
 				scaleDown() ;
 			}
 			// Only allow GL to have 2x the video card memory
-			else if ( BYTES_TO_MEGA_BYTES(sTotalTextureMemoryInBytes) > sMaxTotalTextureMemInMegaBytes*texmem_middle_bound_scale &&
+			else if ( sTotalTextureMemory > sMaxTotalTextureMem * texmem_middle_bound_scale &&
 				(!getBoundRecently() || mDesiredDiscardLevel >= mCachedRawDiscardLevel))
 			{
 				scaleDown() ;
diff --git a/indra/newview/llviewertexture.h b/indra/newview/llviewertexture.h
index 2ea9a07e9a..e9efb751f8 100755
--- a/indra/newview/llviewertexture.h
+++ b/indra/newview/llviewertexture.h
@@ -34,12 +34,13 @@
 #include "llgltypes.h"
 #include "llrender.h"
 #include "llmetricperformancetester.h"
+#include "llunit.h"
 
 #include <map>
 #include <list>
 
-#define MIN_VIDEO_RAM_IN_MEGA_BYTES    32
-#define MAX_VIDEO_RAM_IN_MEGA_BYTES    512 // 512MB max for performance reasons.
+extern const LLUnit<LLUnits::Megabytes, S32> gMinVideoRam;
+extern const LLUnit<LLUnits::Megabytes, S32> gMaxVideoRam;
 
 class LLFace;
 class LLImageGL ;
@@ -322,11 +323,11 @@ public:
 	static LLFrameTimer sEvaluationTimer;
 	static F32 sDesiredDiscardBias;
 	static F32 sDesiredDiscardScale;
-	static S32 sBoundTextureMemoryInBytes;
-	static S32 sTotalTextureMemoryInBytes;
-	static S32 sMaxBoundTextureMemInMegaBytes;
-	static S32 sMaxTotalTextureMemInMegaBytes;
-	static S32 sMaxDesiredTextureMemInBytes ;
+	static LLUnit<LLUnits::Bytes, S32> sBoundTextureMemory;
+	static LLUnit<LLUnits::Bytes, S32> sTotalTextureMemory;
+	static LLUnit<LLUnits::Megabytes, S32> sMaxBoundTextureMem;
+	static LLUnit<LLUnits::Megabytes, S32> sMaxTotalTextureMem;
+	static LLUnit<LLUnits::Bytes, S32> sMaxDesiredTextureMem ;
 	static S8  sCameraMovingDiscardBias;
 	static F32 sCameraMovingBias;
 	static S32 sMaxSculptRez ;
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index 49d7e8b842..3106a351e0 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -58,21 +58,14 @@
 #include "pipeline.h"
 #include "llappviewer.h"
 #include "llxuiparser.h"
+#include "lltracerecording.h"
 #include "llviewerdisplay.h"
 
 ////////////////////////////////////////////////////////////////////////////
 
 void (*LLViewerTextureList::sUUIDCallback)(void **, const LLUUID&) = NULL;
 
-U32 LLViewerTextureList::sTextureBits = 0;
-U32 LLViewerTextureList::sTexturePackets = 0;
 S32 LLViewerTextureList::sNumImages = 0;
-LLStat LLViewerTextureList::sNumImagesStat(32, TRUE);
-LLStat LLViewerTextureList::sNumRawImagesStat(32, TRUE);
-LLStat LLViewerTextureList::sGLTexMemStat(32, TRUE);
-LLStat LLViewerTextureList::sGLBoundMemStat(32, TRUE);
-LLStat LLViewerTextureList::sRawMemStat(32, TRUE);
-LLStat LLViewerTextureList::sFormattedMemStat(32, TRUE);
 
 LLViewerTextureList gTextureList;
 static LLFastTimer::DeclareTimer FTM_PROCESS_IMAGES("Process Images");
@@ -622,14 +615,19 @@ void LLViewerTextureList::updateImages(F32 max_time)
 	}
 	cleared = FALSE;
 
-	LLAppViewer::getTextureFetch()->setTextureBandwidth(LLViewerStats::getInstance()->mTextureKBitStat.getMeanPerSec());
+	LLTrace::Recording& recording = LLTrace::get_frame_recording().getTotalRecording();
 
-	LLViewerStats::getInstance()->mNumImagesStat.addValue(sNumImages);
-	LLViewerStats::getInstance()->mNumRawImagesStat.addValue(LLImageRaw::sRawImageCount);
-	LLViewerStats::getInstance()->mGLTexMemStat.addValue((F32)BYTES_TO_MEGA_BYTES(LLImageGL::sGlobalTextureMemoryInBytes));
-	LLViewerStats::getInstance()->mGLBoundMemStat.addValue((F32)BYTES_TO_MEGA_BYTES(LLImageGL::sBoundTextureMemoryInBytes));
-	LLViewerStats::getInstance()->mRawMemStat.addValue((F32)BYTES_TO_MEGA_BYTES(LLImageRaw::sGlobalRawMemory));
-	LLViewerStats::getInstance()->mFormattedMemStat.addValue((F32)BYTES_TO_MEGA_BYTES(LLImageFormatted::sGlobalFormattedMemory));
+	LLAppViewer::getTextureFetch()->setTextureBandwidth(recording.getPerSec(LLStatViewer::TEXTURE_KBIT).value());
+
+	{
+		using namespace LLStatViewer;
+		NUM_IMAGES.sample(sNumImages);
+		NUM_RAW_IMAGES.sample(LLImageRaw::sRawImageCount);
+		GL_TEX_MEM.sample(LLImageGL::sGlobalTextureMemory);
+		GL_BOUND_MEM.sample(LLImageGL::sBoundTextureMemory);
+		RAW_MEM.sample<LLTrace::Bytes>(LLImageRaw::sGlobalRawMemory);
+		FORMATTED_MEM.sample<LLTrace::Bytes>(LLImageFormatted::sGlobalFormattedMemory);
+	}
 
 	{
 		//loading from fast cache 
@@ -711,7 +709,7 @@ void LLViewerTextureList::updateImagesDecodePriorities()
 	// Update the decode priority for N images each frame
 	{
         static const S32 MAX_PRIO_UPDATES = gSavedSettings.getS32("TextureFetchUpdatePriorities");         // default: 32
-		const size_t max_update_count = llmin((S32) (MAX_PRIO_UPDATES*MAX_PRIO_UPDATES*gFrameIntervalSeconds) + 1, MAX_PRIO_UPDATES);
+		const size_t max_update_count = llmin((S32) (MAX_PRIO_UPDATES*MAX_PRIO_UPDATES*gFrameIntervalSeconds.value()) + 1, MAX_PRIO_UPDATES);
 		S32 update_counter = llmin(max_update_count, mUUIDMap.size());
 		uuid_map_t::iterator iter = mUUIDMap.upper_bound(mLastUpdateUUID);
 		while ((update_counter-- > 0) && !mUUIDMap.empty())
@@ -945,11 +943,11 @@ F32 LLViewerTextureList::updateImagesFetchTextures(F32 max_time)
 	static const F32 MIN_PRIORITY_THRESHOLD = gSavedSettings.getF32("TextureFetchUpdatePriorityThreshold"); // default: 0.0
 	static const bool SKIP_LOW_PRIO = gSavedSettings.getBOOL("TextureFetchUpdateSkipLowPriority");          // default: false
 
-	size_t max_priority_count = llmin((S32) (MAX_HIGH_PRIO_COUNT*MAX_HIGH_PRIO_COUNT*gFrameIntervalSeconds)+1, MAX_HIGH_PRIO_COUNT);
+	size_t max_priority_count = llmin((S32) (MAX_HIGH_PRIO_COUNT*MAX_HIGH_PRIO_COUNT*gFrameIntervalSeconds.value())+1, MAX_HIGH_PRIO_COUNT);
 	max_priority_count = llmin(max_priority_count, mImageList.size());
 	
 	size_t total_update_count = mUUIDMap.size();
-	size_t max_update_count = llmin((S32) (MAX_UPDATE_COUNT*MAX_UPDATE_COUNT*gFrameIntervalSeconds)+1, MAX_UPDATE_COUNT);
+	size_t max_update_count = llmin((S32) (MAX_UPDATE_COUNT*MAX_UPDATE_COUNT*gFrameIntervalSeconds.value())+1, MAX_UPDATE_COUNT);
 	max_update_count = llmin(max_update_count, total_update_count);	
 	
 	// MAX_HIGH_PRIO_COUNT high priority entries
@@ -1006,14 +1004,6 @@ F32 LLViewerTextureList::updateImagesFetchTextures(F32 max_time)
 			break;
 		}
 	}
-	//if (fetch_count == 0)
-	//{
-	//	gDebugTimers[0].pause();
-	//}
-	//else
-	//{
-	//	gDebugTimers[0].unpause();
-	//}
 	return image_op_timer.getElapsedTimeF32();
 }
 
@@ -1194,7 +1184,7 @@ S32 LLViewerTextureList::getMinVideoRamSetting()
 {
 	S32 system_ram = (S32)BYTES_TO_MEGA_BYTES(gSysMemory.getPhysicalMemoryClamped());
 	//min texture mem sets to 64M if total physical mem is more than 1.5GB
-	return (system_ram > 1500) ? 64 : MIN_VIDEO_RAM_IN_MEGA_BYTES ;
+	return (system_ram > 1500) ? 64 : gMinVideoRam.value() ;
 }
 
 //static
@@ -1244,7 +1234,7 @@ S32 LLViewerTextureList::getMaxVideoRamSetting(bool get_recommended)
 	else
 		max_texmem = llmin(max_texmem, (S32)(system_ram));
 		
-	max_texmem = llclamp(max_texmem, getMinVideoRamSetting(), MAX_VIDEO_RAM_IN_MEGA_BYTES); 
+	max_texmem = llclamp(max_texmem, getMinVideoRamSetting(), gMaxVideoRam.value()); 
 	
 	return max_texmem;
 }
@@ -1332,8 +1322,8 @@ void LLViewerTextureList::receiveImageHeader(LLMessageSystem *msg, void **user_d
 	{
 		received_size = msg->getReceiveSize() ;		
 	}
-	gTextureList.sTextureBits += received_size * 8;
-	gTextureList.sTexturePackets++;
+	LLStatViewer::TEXTURE_KBIT.add<LLTrace::Bytes>(received_size);
+	LLStatViewer::TEXTURE_PACKETS.add(1);
 	
 	U8 codec;
 	U16 packets;
@@ -1385,7 +1375,6 @@ void LLViewerTextureList::receiveImagePacket(LLMessageSystem *msg, void **user_d
 {
 	static LLCachedControl<bool> log_texture_traffic(gSavedSettings,"LogTextureNetworkTraffic") ;
 
-	LLMemType mt1(LLMemType::MTYPE_APPFMTIMAGE);
 	LLFastTimer t(FTM_PROCESS_IMAGES);
 	
 	// Receives image packet, copy into image object,
@@ -1406,8 +1395,9 @@ void LLViewerTextureList::receiveImagePacket(LLMessageSystem *msg, void **user_d
 	{
 		received_size = msg->getReceiveSize() ;		
 	}
-	gTextureList.sTextureBits += received_size * 8;
-	gTextureList.sTexturePackets++;
+
+	LLStatViewer::TEXTURE_KBIT.add<LLTrace::Bytes>(received_size);
+	LLStatViewer::TEXTURE_PACKETS.add(1);
 	
 	//llprintline("Start decode, image header...");
 	msg->getUUIDFast(_PREHASH_ImageID, _PREHASH_ID, id);
@@ -1718,11 +1708,11 @@ bool LLUIImageList::initFromFile()
 	// add components defined in the rest of the skin paths
 	while (++pi != pend)
 	{
-		LLXMLNodePtr update_root;
+	LLXMLNodePtr update_root;
 		if (LLXMLNode::parseFile(*pi, update_root, NULL))
-		{
+	{
 			parser.readXUI(update_root, images, *pi);
-		}
+	}
 	}
 
 	if (!images.validateBlock()) return false;
diff --git a/indra/newview/llviewertexturelist.h b/indra/newview/llviewertexturelist.h
index 3dda973d3f..e3df71cca2 100644
--- a/indra/newview/llviewertexturelist.h
+++ b/indra/newview/llviewertexturelist.h
@@ -1,5 +1,5 @@
 /** 
- * @file llviewertexturelist.h
+ * @file llviewertexturelinumimagest.h
  * @brief Object for managing the list of images within a region
  *
  * $LicenseInfo:firstyear=2000&license=viewerlgpl$
@@ -30,7 +30,6 @@
 #include "lluuid.h"
 //#include "message.h"
 #include "llgl.h"
-#include "llstat.h"
 #include "llviewertexture.h"
 #include "llui.h"
 #include <list>
@@ -200,17 +199,6 @@ private:
 	S32 mMaxTotalTextureMemInMegaBytes;
 	LLFrameTimer mForceDecodeTimer;
 	
-public:
-	static U32 sTextureBits;
-	static U32 sTexturePackets;
-
-	static LLStat sNumImagesStat;
-	static LLStat sNumRawImagesStat;
-	static LLStat sGLTexMemStat;
-	static LLStat sGLBoundMemStat;
-	static LLStat sRawMemStat;
-	static LLStat sFormattedMemStat;
-
 private:
 	static S32 sNumImages;
 	static void (*sUUIDCallback)(void**, const LLUUID &);
diff --git a/indra/newview/llviewerthrottle.cpp b/indra/newview/llviewerthrottle.cpp
index 5147272122..34f2c8f6e6 100644
--- a/indra/newview/llviewerthrottle.cpp
+++ b/indra/newview/llviewerthrottle.cpp
@@ -304,7 +304,8 @@ void LLViewerThrottle::updateDynamicThrottle()
 	}
 	mUpdateTimer.reset();
 
-	if (LLViewerStats::getInstance()->mPacketsLostPercentStat.getMean() > TIGHTEN_THROTTLE_THRESHOLD)
+	F32 mean_packets_lost = LLViewerStats::instance().getRecording().getMean(LLStatViewer::PACKETS_LOST_PERCENT);
+	if (mean_packets_lost > TIGHTEN_THROTTLE_THRESHOLD)
 	{
 		if (mThrottleFrac <= MIN_FRACTIONAL || mCurrentBandwidth / 1024.0f <= MIN_BANDWIDTH)
 		{
@@ -317,7 +318,7 @@ void LLViewerThrottle::updateDynamicThrottle()
 		mCurrent.sendToSim();
 		llinfos << "Tightening network throttle to " << mCurrentBandwidth << llendl;
 	}
-	else if (LLViewerStats::getInstance()->mPacketsLostPercentStat.getMean() <= EASE_THROTTLE_THRESHOLD)
+	else if (mean_packets_lost <= EASE_THROTTLE_THRESHOLD)
 	{
 		if (mThrottleFrac >= MAX_FRACTIONAL || mCurrentBandwidth / 1024.0f >= MAX_BANDWIDTH)
 		{
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 44e6d70546..637e4981d1 100755
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -248,6 +248,9 @@ std::string	LLViewerWindow::sSnapshotDir;
 
 std::string	LLViewerWindow::sMovieBaseName;
 
+LLTrace::Measurement<> LLViewerWindow::sMouseVelocityStat("Mouse Velocity");
+
+
 class RecordToChatConsole : public LLError::Recorder, public LLSingleton<RecordToChatConsole>
 {
 public:
@@ -334,27 +337,24 @@ public:
 		
 		if (gSavedSettings.getBOOL("DebugShowTime"))
 		{
-			const U32 y_inc2 = 15;
-			for (std::map<S32,LLFrameTimer>::reverse_iterator iter = gDebugTimers.rbegin();
-				 iter != gDebugTimers.rend(); ++iter)
 			{
-				S32 idx = iter->first;
-				LLFrameTimer& timer = iter->second;
+			const U32 y_inc2 = 15;
+				LLFrameTimer& timer = gTextureTimer;
 				F32 time = timer.getElapsedTimeF32();
 				S32 hours = (S32)(time / (60*60));
 				S32 mins = (S32)((time - hours*(60*60)) / 60);
 				S32 secs = (S32)((time - hours*(60*60) - mins*60));
-				std::string label = gDebugTimerLabel[idx];
-				if (label.empty()) label = llformat("Debug: %d", idx);
-				addText(xpos, ypos, llformat(" %s: %d:%02d:%02d", label.c_str(), hours,mins,secs)); ypos += y_inc2;
+				addText(xpos, ypos, llformat("Texture: %d:%02d:%02d", hours,mins,secs)); ypos += y_inc2;
 			}
 			
+			{
 			F32 time = gFrameTimeSeconds;
 			S32 hours = (S32)(time / (60*60));
 			S32 mins = (S32)((time - hours*(60*60)) / 60);
 			S32 secs = (S32)((time - hours*(60*60) - mins*60));
 			addText(xpos, ypos, llformat("Time: %d:%02d:%02d", hours,mins,secs)); ypos += y_inc;
 		}
+		}
 		
 #if LL_WINDOWS
 		if (gSavedSettings.getBOOL("DebugShowMemory"))
@@ -736,7 +736,7 @@ public:
 			{
 				if(gTotalTextureBytesPerBoostLevel[i] > 0)
 				{
-					addText(xpos, ypos, llformat("Boost_Level %d:  %.3f MB", i, (F32)gTotalTextureBytesPerBoostLevel[i] / (1024 * 1024)));
+					addText(xpos, ypos, llformat("Boost_Level %d:  %.3f MB", i, LLUnit<LLUnits::Megabytes, F32>(gTotalTextureBytesPerBoostLevel[i]).value()));
 					ypos += y_inc;
 				}
 			}
@@ -1407,10 +1407,11 @@ BOOL LLViewerWindow::handlePaint(LLWindow *window,  S32 x,  S32 y, S32 width,  S
 		FillRect(hdc, &wnd_rect, CreateSolidBrush(RGB(255, 255, 255)));
 
 		std::string temp_str;
+		LLTrace::Recording& recording = LLViewerStats::instance().getRecording();
 		temp_str = llformat( "FPS %3.1f Phy FPS %2.1f Time Dil %1.3f",		/* Flawfinder: ignore */
-				LLViewerStats::getInstance()->mFPSStat.getMeanPerSec(),
-				LLViewerStats::getInstance()->mSimPhysicsFPS.getPrev(0),
-				LLViewerStats::getInstance()->mSimTimeDilation.getPrev(0));
+				recording.getPerSec(LLStatViewer::FPS), //mFPSStat.getMeanPerSec(),
+				recording.getLastValue(LLStatViewer::SIM_PHYSICS_FPS), 
+				recording.getLastValue(LLStatViewer::SIM_TIME_DILATION));
 		S32 len = temp_str.length();
 		TextOutA(hdc, 0, 0, temp_str.c_str(), len); 
 
@@ -2184,8 +2185,8 @@ void LLViewerWindow::reshape(S32 width, S32 height)
 			}
 		}
 
-		LLViewerStats::getInstance()->setStat(LLViewerStats::ST_WINDOW_WIDTH, (F64)width);
-		LLViewerStats::getInstance()->setStat(LLViewerStats::ST_WINDOW_HEIGHT, (F64)height);
+		LLStatViewer::WINDOW_WIDTH.sample((F64)width);
+		LLStatViewer::WINDOW_HEIGHT.sample((F64)height);
 
 		LLLayoutStack::updateClass();
 	}
@@ -2761,11 +2762,12 @@ void append_xui_tooltip(LLView* viewp, LLToolTip::Params& params)
 	}
 }
 
+static LLFastTimer::DeclareTimer ftm("Update UI");
+
 // Update UI based on stored mouse position from mouse-move
 // event processing.
 void LLViewerWindow::updateUI()
 {
-	static LLFastTimer::DeclareTimer ftm("Update UI");
 	LLFastTimer t(ftm);
 
 	static std::string last_handle_msg;
@@ -3235,8 +3237,8 @@ void LLViewerWindow::updateMouseDelta()
 		static F32 fdy = 0.f;
 
 		F32 amount = 16.f;
-		fdx = fdx + ((F32) dx - fdx) * llmin(gFrameIntervalSeconds*amount,1.f);
-		fdy = fdy + ((F32) dy - fdy) * llmin(gFrameIntervalSeconds*amount,1.f);
+		fdx = fdx + ((F32) dx - fdx) * llmin(gFrameIntervalSeconds.value()*amount,1.f);
+		fdy = fdy + ((F32) dy - fdy) * llmin(gFrameIntervalSeconds.value()*amount,1.f);
 
 		mCurrentMouseDelta.set(llround(fdx), llround(fdy));
 		mouse_vel.setVec(fdx,fdy);
@@ -3247,7 +3249,7 @@ void LLViewerWindow::updateMouseDelta()
 		mouse_vel.setVec((F32) dx, (F32) dy);
 	}
     
-	mMouseVelocityStat.addValue(mouse_vel.magVec());
+	sMouseVelocityStat.sample(mouse_vel.magVec());
 }
 
 void LLViewerWindow::updateKeyboardFocus()
@@ -4236,15 +4238,49 @@ BOOL LLViewerWindow::rawSnapshot(LLImageRaw *raw, S32 image_width, S32 image_hei
 		image_height = llmin(image_height, window_height);
 	}
 
+	S32 original_width = 0;
+	S32 original_height = 0;
+	bool reset_deferred = false;
+
+	LLRenderTarget scratch_space;
+
 	F32 scale_factor = 1.0f ;
 	if (!keep_window_aspect || (image_width > window_width) || (image_height > window_height))
 	{	
+		if ((image_width > window_width || image_height > window_height) && LLPipeline::sRenderDeferred && !show_ui)
+		{
+			if (scratch_space.allocate(image_width, image_height, GL_RGBA, true, true))
+			{
+				original_width = gPipeline.mDeferredScreen.getWidth();
+				original_height = gPipeline.mDeferredScreen.getHeight();
+
+				if (gPipeline.allocateScreenBuffer(image_width, image_height))
+				{
+					window_width = image_width;
+					window_height = image_height;
+					snapshot_width = image_width;
+					snapshot_height = image_height;
+					reset_deferred = true;
+					mWorldViewRectRaw.set(0, image_height, image_width, 0);
+					scratch_space.bindTarget();
+				}
+				else
+				{
+					scratch_space.release();
+					gPipeline.allocateScreenBuffer(original_width, original_height);
+				}
+			}
+		}
+
+		if (!reset_deferred)
+		{
 		// if image cropping or need to enlarge the scene, compute a scale_factor
 		F32 ratio = llmin( (F32)window_width / image_width , (F32)window_height / image_height) ;
 		snapshot_width  = (S32)(ratio * image_width) ;
 		snapshot_height = (S32)(ratio * image_height) ;
 		scale_factor = llmax(1.0f, 1.0f / ratio) ;
 	}
+	}
 	
 	if (show_ui && scale_factor > 1.f)
 	{
@@ -4432,6 +4468,15 @@ BOOL LLViewerWindow::rawSnapshot(LLImageRaw *raw, S32 image_width, S32 image_hei
 		gPipeline.resetDrawOrders();
 	}
 
+	if (reset_deferred)
+	{
+		mWorldViewRectRaw = window_rect;
+		scratch_space.flush();
+		scratch_space.release();
+		gPipeline.allocateScreenBuffer(original_width, original_height);
+		
+	}
+
 	if (high_res)
 	{
 		send_agent_resume();
@@ -4695,7 +4740,7 @@ void LLViewerWindow::stopGL(BOOL save_state)
 		gGLManager.mIsDisabled = TRUE;
 		stop_glerror();
 		
-		llinfos << "Remaining allocated texture memory: " << LLImageGL::sGlobalTextureMemoryInBytes << " bytes" << llendl;
+		llinfos << "Remaining allocated texture memory: " << LLImageGL::sGlobalTextureMemory.value() << " bytes" << llendl;
 	}
 }
 
diff --git a/indra/newview/llviewerwindow.h b/indra/newview/llviewerwindow.h
index 6efcaeaf18..be2d6d885e 100644
--- a/indra/newview/llviewerwindow.h
+++ b/indra/newview/llviewerwindow.h
@@ -41,16 +41,15 @@
 #include "llcursortypes.h"
 #include "llwindowcallbacks.h"
 #include "lltimer.h"
-#include "llstat.h"
 #include "llmousehandler.h"
 #include "llhandle.h"
 #include "llinitparam.h"
+#include "lltrace.h"
 
 #include <boost/function.hpp>
 #include <boost/signals2.hpp>
 #include <boost/scoped_ptr.hpp>
 
-
 class LLView;
 class LLViewerObject;
 class LLUUID;
@@ -251,7 +250,7 @@ public:
 	S32				getCurrentMouseDX()		const	{ return mCurrentMouseDelta.mX; }
 	S32				getCurrentMouseDY()		const	{ return mCurrentMouseDelta.mY; }
 	LLCoordGL		getCurrentMouseDelta()	const	{ return mCurrentMouseDelta; }
-	LLStat *		getMouseVelocityStat()		{ return &mMouseVelocityStat; }
+	static LLTrace::Measurement<>*	getMouseVelocityStat()		{ return &sMouseVelocityStat; }
 	BOOL			getLeftMouseDown()	const	{ return mLeftMouseDown; }
 	BOOL			getMiddleMouseDown()	const	{ return mMiddleMouseDown; }
 	BOOL			getRightMouseDown()	const	{ return mRightMouseDown; }
@@ -428,7 +427,6 @@ private:
 	LLCoordGL		mCurrentMousePoint;			// last mouse position in GL coords
 	LLCoordGL		mLastMousePoint;		// Mouse point at last frame.
 	LLCoordGL		mCurrentMouseDelta;		//amount mouse moved this frame
-	LLStat			mMouseVelocityStat;
 	BOOL			mLeftMouseDown;
 	BOOL			mMiddleMouseDown;
 	BOOL			mRightMouseDown;
@@ -483,6 +481,8 @@ private:
 	
 	// Object temporarily hovered over while dragging
 	LLPointer<LLViewerObject>	mDragHoveredObject;
+
+	static LLTrace::Measurement<>	sMouseVelocityStat;
 };
 
 //
diff --git a/indra/newview/llvlcomposition.cpp b/indra/newview/llvlcomposition.cpp
index ec932501e5..abb5153480 100644
--- a/indra/newview/llvlcomposition.cpp
+++ b/indra/newview/llvlcomposition.cpp
@@ -457,8 +457,6 @@ BOOL LLVLComposition::generateTexture(const F32 x, const F32 y,
 		texturep->createGLTexture(0, raw);
 	}
 	texturep->setSubImage(raw, tex_x_begin, tex_y_begin, tex_x_end - tex_x_begin, tex_y_end - tex_y_begin);
-	LLSurface::sTextureUpdateTime += gen_timer.getElapsedTimeF32();
-	LLSurface::sTexelsUpdated += (tex_x_end - tex_x_begin) * (tex_y_end - tex_y_begin);
 
 	for (S32 i = 0; i < 4; i++)
 	{
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 627238b0f5..f349714556 100755
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -695,7 +695,6 @@ LLVOAvatar::LLVOAvatar(const LLUUID& id,
 	mLastRezzedStatus(-1)
 
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
 	//VTResume();  // VTune
 	
 	// mVoiceVisualizer is created by the hud effects manager and uses the HUD Effects pipeline
@@ -1739,8 +1738,6 @@ LLViewerObject* LLVOAvatar::lineSegmentIntersectRiggedAttachments(const LLVector
 //-----------------------------------------------------------------------------
 BOOL LLVOAvatar::parseSkeletonFile(const std::string& filename)
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-	
 	//-------------------------------------------------------------------------
 	// parse the file
 	//-------------------------------------------------------------------------
@@ -1782,8 +1779,6 @@ BOOL LLVOAvatar::parseSkeletonFile(const std::string& filename)
 //-----------------------------------------------------------------------------
 BOOL LLVOAvatar::setupBone(const LLVOAvatarBoneInfo* info, LLViewerJoint* parent, S32 &volume_num, S32 &joint_num)
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-	
 	LLViewerJoint* joint = NULL;
 
 	if (info->mIsJoint)
@@ -1849,8 +1844,6 @@ BOOL LLVOAvatar::setupBone(const LLVOAvatarBoneInfo* info, LLViewerJoint* parent
 //-----------------------------------------------------------------------------
 BOOL LLVOAvatar::buildSkeleton(const LLVOAvatarSkeletonInfo *info)
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-	
 	//-------------------------------------------------------------------------
 	// allocate joints
 	//-------------------------------------------------------------------------
@@ -1921,8 +1914,6 @@ void LLVOAvatar::startDefaultMotions()
 //-----------------------------------------------------------------------------
 void LLVOAvatar::buildCharacter()
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-	
 	//-------------------------------------------------------------------------
 	// remove all references to our existing skeleton
 	// so we can rebuild it
@@ -2072,8 +2063,6 @@ void LLVOAvatar::buildCharacter()
 //-----------------------------------------------------------------------------
 void LLVOAvatar::releaseMeshData()
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-	
 	if (sInstances.size() < AVATAR_RELEASE_THRESHOLD || mIsDummy)
 	{
 		return;
@@ -2128,7 +2117,6 @@ void LLVOAvatar::releaseMeshData()
 void LLVOAvatar::restoreMeshData()
 {
 	llassert(!isSelf());
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
 	
 	//llinfos << "Restoring" << llendl;
 	mMeshValid = TRUE;
@@ -2344,8 +2332,6 @@ U32 LLVOAvatar::processUpdateMessage(LLMessageSystem *mesgsys,
 									 U32 block_num, const EObjectUpdateType update_type,
 									 LLDataPacker *dp)
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-	
 	LLVector3 old_vel = getVelocity();
 	const BOOL has_name = !getNVPair("FirstName");
 
@@ -2425,7 +2411,6 @@ void LLVOAvatar::dumpAnimationState()
 //------------------------------------------------------------------------
 void LLVOAvatar::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
 	LLFastTimer t(FTM_AVATAR_UPDATE);
 
 	if (isDead())
@@ -3463,8 +3448,6 @@ bool LLVOAvatar::isVisuallyMuted() const
 //------------------------------------------------------------------------
 BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-
 	// clear debug text
 	mDebugText.clear();
 	if (LLVOAvatar::sShowAnimationDebug)
@@ -4335,8 +4318,6 @@ U32 LLVOAvatar::renderSkinned(EAvatarRenderPass pass)
 	//--------------------------------------------------------------------
 	// render all geometry attached to the skeleton
 	//--------------------------------------------------------------------
-	static LLStat render_stat;
-
 	LLViewerJointMesh::sRenderPass = pass;
 
 	if (pass == AVATAR_RENDER_PASS_SINGLE)
@@ -4389,10 +4370,6 @@ U32 LLVOAvatar::renderSkinned(EAvatarRenderPass pass)
 	
 	LLViewerJointMesh::sRenderPass = AVATAR_RENDER_PASS_SINGLE;
 	
-	//llinfos << "Avatar render: " << render_timer.getElapsedTimeF32() << llendl;
-
-	//render_stat.addValue(render_timer.getElapsedTimeF32()*1000.f);
-
 	return num_indices;
 }
 
@@ -4808,8 +4785,6 @@ const LLUUID& LLVOAvatar::getStepSound() const
 //-----------------------------------------------------------------------------
 void LLVOAvatar::processAnimationStateChanges()
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-	
 	if ( isAnyAnimationSignaled(AGENT_WALK_ANIMS, NUM_AGENT_WALK_ANIMS) )
 	{
 		startMotion(ANIM_AGENT_WALK_ADJUST);
@@ -4900,8 +4875,6 @@ void LLVOAvatar::processAnimationStateChanges()
 //-----------------------------------------------------------------------------
 BOOL LLVOAvatar::processSingleAnimationStateChange( const LLUUID& anim_id, BOOL start )
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-	
 	BOOL result = FALSE;
 
 	if ( start ) // start animation
@@ -5036,8 +5009,6 @@ LLUUID LLVOAvatar::remapMotionID(const LLUUID& id)
 //-----------------------------------------------------------------------------
 BOOL LLVOAvatar::startMotion(const LLUUID& id, F32 time_offset)
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-
 	lldebugs << "motion requested " << id.asString() << " " << gAnimLibrary.animationName(id) << llendl;
 
 	LLUUID remap_id = remapMotionID(id);
@@ -5866,8 +5837,6 @@ BOOL LLVOAvatar::isActive() const
 //-----------------------------------------------------------------------------
 void LLVOAvatar::setPixelAreaAndAngle(LLAgent &agent)
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-
 	if (mDrawable.isNull())
 	{
 		return;
@@ -7312,8 +7281,6 @@ void LLVOAvatar::processAvatarAppearance( LLMessageSystem* mesgsys )
 		return;
 	}
 	
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-
 	BOOL is_first_appearance_message = !mFirstAppearanceMessageReceived;
 	mFirstAppearanceMessageReceived = TRUE;
 
@@ -7514,7 +7481,6 @@ void LLVOAvatar::onBakedTextureMasksLoaded( BOOL success, LLViewerFetchedTexture
 	if (!userdata) return;
 
 	//llinfos << "onBakedTextureMasksLoaded: " << src_vi->getID() << llendl;
-	const LLMemType mt(LLMemType::MTYPE_AVATAR);
 	const LLUUID id = src_vi->getID();
  
 	LLTextureMaskData* maskData = (LLTextureMaskData*) userdata;
@@ -7856,14 +7822,14 @@ void LLVOAvatar::cullAvatarsByPixelArea()
 		if (gFrameTimeSeconds != sUnbakedUpdateTime) // only update once per frame
 		{
 			sUnbakedUpdateTime = gFrameTimeSeconds;
-			sUnbakedTime += gFrameIntervalSeconds;
+			sUnbakedTime += gFrameIntervalSeconds.value();
 		}
 		if (grey_avatars > 0)
 		{
 			if (gFrameTimeSeconds != sGreyUpdateTime) // only update once per frame
 			{
 				sGreyUpdateTime = gFrameTimeSeconds;
-				sGreyTime += gFrameIntervalSeconds;
+				sGreyTime += gFrameIntervalSeconds.value();
 			}
 		}
 	}
diff --git a/indra/newview/llvoavatarself.cpp b/indra/newview/llvoavatarself.cpp
index 7a81063f83..7c20e8eae7 100755
--- a/indra/newview/llvoavatarself.cpp
+++ b/indra/newview/llvoavatarself.cpp
@@ -257,8 +257,6 @@ BOOL LLVOAvatarSelf::loadAvatarSelf()
 
 BOOL LLVOAvatarSelf::buildSkeletonSelf(const LLVOAvatarSkeletonInfo *info)
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-
 	// add special-purpose "screen" joint
 	mScreenp = new LLViewerJoint("mScreen", NULL);
 	// for now, put screen at origin, as it is only used during special
@@ -652,8 +650,6 @@ BOOL LLVOAvatarSelf::loadLayersets()
 // virtual
 BOOL LLVOAvatarSelf::updateCharacter(LLAgent &agent)
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-
 	// update screen joint size
 	if (mScreenp)
 	{
@@ -914,17 +910,11 @@ void LLVOAvatarSelf::updateRegion(LLViewerRegion *regionp)
 		if (mLastRegionHandle != 0)
 		{
 			++mRegionCrossingCount;
-			F64 delta = (F64)mRegionCrossingTimer.getElapsedTimeF32();
-			F64 avg = (mRegionCrossingCount == 1) ? 0 : LLViewerStats::getInstance()->getStat(LLViewerStats::ST_CROSSING_AVG);
-			F64 delta_avg = (delta + avg*(mRegionCrossingCount-1)) / mRegionCrossingCount;
-			LLViewerStats::getInstance()->setStat(LLViewerStats::ST_CROSSING_AVG, delta_avg);
-			
-			F64 max = (mRegionCrossingCount == 1) ? 0 : LLViewerStats::getInstance()->getStat(LLViewerStats::ST_CROSSING_MAX);
-			max = llmax(delta, max);
-			LLViewerStats::getInstance()->setStat(LLViewerStats::ST_CROSSING_MAX, max);
+			LLTrace::Seconds delta = mRegionCrossingTimer.getElapsedTimeF32();
+			LLStatViewer::REGION_CROSSING_TIME.sample(delta);
 
 			// Diagnostics
-			llinfos << "Region crossing took " << (F32)(delta * 1000.0) << " ms " << llendl;
+			llinfos << "Region crossing took " << (F32)(delta * 1000.0).value() << " ms " << llendl;
 		}
 		if (regionp)
 		{
@@ -1008,8 +998,6 @@ void LLVOAvatarSelf::idleUpdateTractorBeam()
 // virtual
 void LLVOAvatarSelf::restoreMeshData()
 {
-	LLMemType mt(LLMemType::MTYPE_AVATAR);
-	
 	//llinfos << "Restoring" << llendl;
 	mMeshValid = TRUE;
 	updateJointLODs();
@@ -2144,7 +2132,7 @@ LLSD LLVOAvatarSelf::metricsData()
 	result["timers"]["ruth"] = mRuthTimer.getElapsedTimeF32();
 	result["timers"]["invisible"] = mInvisibleTimer.getElapsedTimeF32();
 	result["timers"]["fully_loaded"] = mFullyLoadedTimer.getElapsedTimeF32();
-	result["startup"] = LLStartUp::getPhases().dumpPhases();
+	result["startup"] = LLStartUp::getPhases().asLLSD();
 	
 	return result;
 }
@@ -2226,7 +2214,7 @@ void LLVOAvatarSelf::sendAppearanceChangeMetrics()
 	{
 		LLCurlRequest::headers_t headers;
 		LLHTTPClient::post(caps_url,
-						   msg,
+							msg,
 						   new ViewerAppearanceChangeMetricsResponder(report_sequence,
 																	  report_sequence,
 																	  reporting_started));
@@ -2593,7 +2581,7 @@ void LLVOAvatarSelf::processRebakeAvatarTextures(LLMessageSystem* msg, void**)
 					llinfos << "TAT: rebake - matched entry " << (S32)index << llendl;
 					gAgentAvatarp->invalidateComposite(layer_set, TRUE);
 					found = TRUE;
-					LLViewerStats::getInstance()->incStat(LLViewerStats::ST_TEX_REBAKES);
+					LLStatViewer::TEX_REBAKES.add(1);
 				}
 			}
 		}
@@ -2638,7 +2626,7 @@ void LLVOAvatarSelf::forceBakeAllTextures(bool slam_for_debug)
 			}
 
 			invalidateComposite(layer_set, TRUE);
-			LLViewerStats::getInstance()->incStat(LLViewerStats::ST_TEX_REBAKES);
+			LLStatViewer::TEX_REBAKES.add(1);
 		}
 		else
 		{
@@ -2793,7 +2781,7 @@ void LLVOAvatarSelf::deleteScratchTextures()
 
 		sScratchTexNames.deleteAllData();
 		sScratchTexLastBindTime.deleteAllData();
-		LLImageGL::sGlobalTextureMemoryInBytes -= sScratchTexBytes;
+		LLImageGL::sGlobalTextureMemory -= sScratchTexBytes;
 		sScratchTexBytes = 0;
 	}
 }
diff --git a/indra/newview/llvograss.cpp b/indra/newview/llvograss.cpp
index 566c33c0af..4dca87652d 100644
--- a/indra/newview/llvograss.cpp
+++ b/indra/newview/llvograss.cpp
@@ -675,7 +675,6 @@ static LLFastTimer::DeclareTimer FTM_REBUILD_GRASS_VB("Grass VB");
 
 void LLGrassPartition::getGeometry(LLSpatialGroup* group)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	LLFastTimer ftm(FTM_REBUILD_GRASS_VB);
 
 	std::sort(mFaceList.begin(), mFaceList.end(), LLFace::CompareDistanceGreater());
diff --git a/indra/newview/llvopartgroup.cpp b/indra/newview/llvopartgroup.cpp
index e4f9915e93..fa34a6f1f5 100644
--- a/indra/newview/llvopartgroup.cpp
+++ b/indra/newview/llvopartgroup.cpp
@@ -599,7 +599,6 @@ static LLFastTimer::DeclareTimer FTM_REBUILD_PARTICLE_GEOM("Particle Geom");
 
 void LLParticlePartition::getGeometry(LLSpatialGroup* group)
 {
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	LLFastTimer ftm(FTM_REBUILD_PARTICLE_GEOM);
 
 	std::sort(mFaceList.begin(), mFaceList.end(), LLFace::CompareDistanceGreater());
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 5d1c335078..88c7d471f4 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -3983,7 +3983,6 @@ static LLFastTimer::DeclareTimer FTM_REGISTER_FACE("Register Face");
 void LLVolumeGeometryManager::registerFace(LLSpatialGroup* group, LLFace* facep, U32 type)
 {
 	LLFastTimer t(FTM_REGISTER_FACE);
-	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 
 	if (facep->getViewerObject()->isSelected() && LLSelectMgr::getInstance()->mHideSelectedObjects)
 	{
@@ -4910,11 +4909,19 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 				facep->setTextureIndex(cur_tex);
 				texture_list.push_back(tex);
 
-				//if (can_batch_texture(facep))
-				{
+				if (can_batch_texture(facep))
+				{ //populate texture_list with any textures that can be batched
+				  //move i to the next unbatchable face
 					while (i != faces.end())
 					{
 						facep = *i;
+						
+						if (!can_batch_texture(facep))
+						{ //face is bump mapped or has an animated texture matrix -- can't 
+							//batch more than 1 texture at a time
+							break;
+						}
+
 						if (facep->getTexture() != tex)
 						{
 							if (distance_sort)
@@ -4940,12 +4947,6 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 								cur_tex++;
 							}
 
-							if (!can_batch_texture(facep))
-							{ //face is bump mapped or has an animated texture matrix -- can't 
-								//batch more than 1 texture at a time
-								break;
-							}
-
 							if (cur_tex >= texture_index_channels)
 							{ //cut batches when index channels are depleted
 								break;
diff --git a/indra/newview/llvowlsky.cpp b/indra/newview/llvowlsky.cpp
index a33f42cf84..7f17fd3e56 100644
--- a/indra/newview/llvowlsky.cpp
+++ b/indra/newview/llvowlsky.cpp
@@ -301,7 +301,7 @@ void LLVOWLSky::restoreGL()
 	gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL, TRUE);
 }
 
-static LLFastTimer::DeclareTimer FTM_GEO_SKY("Sky Geometry");
+static LLFastTimer::DeclareTimer FTM_GEO_SKY("Windlight Sky Geometry");
 
 BOOL LLVOWLSky::updateGeometry(LLDrawable * drawable)
 {
diff --git a/indra/newview/llwearablelist.cpp b/indra/newview/llwearablelist.cpp
index 6f6411ce3c..0eb00f7191 100644
--- a/indra/newview/llwearablelist.cpp
+++ b/indra/newview/llwearablelist.cpp
@@ -136,7 +136,6 @@ void LLWearableList::processGetAssetReply( const char* filename, const LLAssetID
 		{
 			LLFile::remove(std::string(filename));
 		}
-		LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
 
 		LL_WARNS("Wearable") << "Wearable download failed: " << LLAssetStorage::getErrorString( status ) << " " << uuid << LL_ENDL;
 		switch( status )
diff --git a/indra/newview/llworld.cpp b/indra/newview/llworld.cpp
index 78ee3e4fd9..126dc59929 100644
--- a/indra/newview/llworld.cpp
+++ b/indra/newview/llworld.cpp
@@ -138,7 +138,6 @@ void LLWorld::destroyClass()
 
 LLViewerRegion* LLWorld::addRegion(const U64 &region_handle, const LLHost &host)
 {
-	LLMemType mt(LLMemType::MTYPE_REGIONS);
 	llinfos << "Add region with handle: " << region_handle << " on host " << host << llendl;
 	LLViewerRegion *regionp = getRegionFromHandle(region_handle);
 	if (regionp)
@@ -644,7 +643,6 @@ void LLWorld::updateVisibilities()
 
 void LLWorld::updateRegions(F32 max_update_time)
 {
-	LLMemType mt_ur(LLMemType::MTYPE_IDLE_UPDATE_REGIONS);
 	LLTimer update_timer;
 	BOOL did_one = FALSE;
 	
@@ -694,8 +692,10 @@ void LLWorld::updateNetStats()
 	{
 		LLViewerRegion* regionp = *iter;
 		regionp->updateNetStats();
-		bits += regionp->mBitStat.getCurrent();
-		packets += llfloor( regionp->mPacketsStat.getCurrent() );
+		bits += regionp->mBitsReceived;
+		packets += llfloor( regionp->mPacketsReceived );
+		regionp->mBitsReceived = 0.f;
+		regionp->mPacketsReceived = 0.f;
 	}
 
 	S32 packets_in = gMessageSystem->mPacketsIn - mLastPacketsIn;
@@ -704,19 +704,16 @@ void LLWorld::updateNetStats()
 
 	S32 actual_in_bits = gMessageSystem->mPacketRing.getAndResetActualInBits();
 	S32 actual_out_bits = gMessageSystem->mPacketRing.getAndResetActualOutBits();
-	LLViewerStats::getInstance()->mActualInKBitStat.addValue(actual_in_bits/1024.f);
-	LLViewerStats::getInstance()->mActualOutKBitStat.addValue(actual_out_bits/1024.f);
-	LLViewerStats::getInstance()->mKBitStat.addValue(bits/1024.f);
-	LLViewerStats::getInstance()->mPacketsInStat.addValue(packets_in);
-	LLViewerStats::getInstance()->mPacketsOutStat.addValue(packets_out);
-	LLViewerStats::getInstance()->mPacketsLostStat.addValue(gMessageSystem->mDroppedPackets);
+
+	LLStatViewer::ACTUAL_IN_KBIT.add<LLTrace::Bits>(actual_in_bits);
+	LLStatViewer::ACTUAL_OUT_KBIT.add<LLTrace::Bits>(actual_out_bits);
+	LLStatViewer::KBIT.add<LLTrace::Bits>(bits);
+	LLStatViewer::PACKETS_IN.add(packets_in);
+	LLStatViewer::PACKETS_OUT.add(packets_out);
+	LLStatViewer::PACKETS_LOST.add(packets_lost);
 	if (packets_in)
 	{
-		LLViewerStats::getInstance()->mPacketsLostPercentStat.addValue(100.f*((F32)packets_lost/(F32)packets_in));
-	}
-	else
-	{
-		LLViewerStats::getInstance()->mPacketsLostPercentStat.addValue(0.f);
+		LLStatViewer::PACKETS_LOST_PERCENT.sample(100.f*((F32)packets_lost/(F32)packets_in));
 	}
 
 	mLastPacketsIn = gMessageSystem->mPacketsIn;
@@ -1129,6 +1126,7 @@ void send_agent_pause()
 	}
 
 	gObjectList.mWasPaused = TRUE;
+	LLViewerStats::instance().getRecording().stop();
 }
 
 
@@ -1158,8 +1156,8 @@ void send_agent_resume()
 		gMessageSystem->sendReliable(regionp->getHost());
 	}
 
-	// Reset the FPS counter to avoid an invalid fps
-	LLViewerStats::getInstance()->mFPSStat.start();
+	// Resume data collection to ignore invalid rates
+	LLViewerStats::instance().getRecording().resume();//getInstance()->mFPSStat.reset();
 
 	LLAppViewer::instance()->resumeMainloopTimeout();
 }
@@ -1194,7 +1192,7 @@ void LLWorld::getAvatars(uuid_vec_t* avatar_ids, std::vector<LLVector3d>* positi
 	{
 		LLVOAvatar* pVOAvatar = (LLVOAvatar*) *iter;
 
-		if (!pVOAvatar->isDead() && !pVOAvatar->isSelf())
+		if (!pVOAvatar->isDead() && !pVOAvatar->isSelf() && !pVOAvatar->mIsDummy)
 		{
 			LLVector3d pos_global = pVOAvatar->getPositionGlobal();
 			LLUUID uuid = pVOAvatar->getID();
diff --git a/indra/newview/llworldmapview.cpp b/indra/newview/llworldmapview.cpp
index a3ccf87cfc..ccc513b80d 100644
--- a/indra/newview/llworldmapview.cpp
+++ b/indra/newview/llworldmapview.cpp
@@ -1320,7 +1320,7 @@ void LLWorldMapView::drawTrackingCircle( const LLRect& rect, S32 x, S32 y, const
 
 	gGL.matrixMode(LLRender::MM_MODELVIEW);
 	gGL.pushMatrix();
-	gGL.translatef((F32)x, (F32)y, 0.f);
+	gGL.translatef((F32)x * LLUI::sGLScaleFactor.mV[VX], (F32)y * LLUI::sGLScaleFactor.mV[VY], 0.f);
 	gl_washer_segment_2d(inner_radius, outer_radius, start_theta, end_theta, 40, color, color);
 	gGL.popMatrix();
 
diff --git a/indra/newview/llxmlrpctransaction.cpp b/indra/newview/llxmlrpctransaction.cpp
index 0da70d398b..583196fb7a 100644
--- a/indra/newview/llxmlrpctransaction.cpp
+++ b/indra/newview/llxmlrpctransaction.cpp
@@ -25,6 +25,8 @@
  */
 
 #include "llviewerprecompiledheaders.h"
+// include this to get winsock2 because openssl attempts to include winsock1
+#include "llwin32headerslean.h"
 #include <openssl/x509_vfy.h>
 #include <openssl/ssl.h>
 #include "llsecapi.h"
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index ea2dc60b07..813fc7db6a 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -35,7 +35,6 @@
 #include "llviewercontrol.h"
 #include "llfasttimer.h"
 #include "llfontgl.h"
-#include "llmemtype.h"
 #include "llnamevalue.h"
 #include "llpointer.h"
 #include "llprimitive.h"
@@ -464,8 +463,6 @@ void LLPipeline::connectRefreshCachedSettingsSafe(const std::string name)
 
 void LLPipeline::init()
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_INIT);
-
 	refreshCachedSettings();
 
 	gOctreeMaxCapacity = gSavedSettings.getU32("OctreeMaxNodeCapacity");
@@ -491,7 +488,6 @@ void LLPipeline::init()
 	getPool(LLDrawPool::POOL_BUMP);
 	getPool(LLDrawPool::POOL_GLOW);
 
-	LLViewerStats::getInstance()->mTrianglesDrawnStat.reset();
 	resetFrameStats();
 
 	for (U32 i = 0; i < NUM_RENDER_TYPES; ++i)
@@ -779,7 +775,7 @@ void LLPipeline::allocatePhysicsBuffer()
 	}
 }
 
-void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
+bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 {
 	refreshCachedSettings();
 	U32 samples = RenderFSAASamples;
@@ -789,8 +785,13 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 	// - if not multisampled, shrink resolution and try again (favor X resolution over Y)
 	// Make sure to call "releaseScreenBuffers" after each failure to cleanup the partially loaded state
 
+	bool ret = true;
+
 	if (!allocateScreenBuffer(resX, resY, samples))
 	{
+		//failed to allocate at requested specification, return false
+		ret = false;
+
 		releaseScreenBuffers();
 		//reduce number of samples 
 		while (samples > 0)
@@ -798,7 +799,7 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 			samples /= 2;
 			if (allocateScreenBuffer(resX, resY, samples))
 			{ //success
-				return;
+				return ret;
 			}
 			releaseScreenBuffers();
 		}
@@ -811,20 +812,22 @@ void LLPipeline::allocateScreenBuffer(U32 resX, U32 resY)
 			resY /= 2;
 			if (allocateScreenBuffer(resX, resY, samples))
 			{
-				return;
+				return ret;
 			}
 			releaseScreenBuffers();
 
 			resX /= 2;
 			if (allocateScreenBuffer(resX, resY, samples))
 			{
-				return;
+				return ret;
 			}
 			releaseScreenBuffers();
 		}
 
 		llwarns << "Unable to allocate screen buffer at any resolution!" << llendl;
 	}
+
+	return ret;
 }
 
 
@@ -869,7 +872,7 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 		if (!mScreen.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
 		if (samples > 0)
 		{
-			if (!mFXAABuffer.allocate(nhpo2(resX), nhpo2(resY), GL_RGBA, FALSE, FALSE, LLTexUnit::TT_TEXTURE, FALSE, samples)) return false;
+			if (!mFXAABuffer.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_TEXTURE, FALSE, samples)) return false;
 		}
 		else
 		{
@@ -903,7 +906,7 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 			}
 		}
 
-		U32 width = nhpo2(U32(resX*scale))/2;
+		U32 width = (U32)(resX*scale);
 		U32 height = width;
 
 		if (shadow_detail > 1)
@@ -1129,7 +1132,6 @@ void LLPipeline::releaseScreenBuffers()
 void LLPipeline::createGLBuffers()
 {
 	stop_glerror();
-	LLMemType mt_cb(LLMemType::MTYPE_PIPELINE_CREATE_BUFFERS);
 	assertInitialized();
 
 	updateRenderDeferred();
@@ -1266,7 +1268,6 @@ void LLPipeline::createLUTBuffers()
 
 void LLPipeline::restoreGL()
 {
-	LLMemType mt_cb(LLMemType::MTYPE_PIPELINE_RESTORE_GL);
 	assertInitialized();
 
 	if (mVertexShadersEnabled)
@@ -1328,7 +1329,6 @@ BOOL LLPipeline::canUseAntiAliasing() const
 
 void LLPipeline::unloadShaders()
 {
-	LLMemType mt_us(LLMemType::MTYPE_PIPELINE_UNLOAD_SHADERS);
 	LLViewerShaderMgr::instance()->unloadShaders();
 
 	mVertexShadersLoaded = 0;
@@ -1360,7 +1360,6 @@ S32 LLPipeline::getMaxLightingDetail() const
 
 S32 LLPipeline::setLightingDetail(S32 level)
 {
-	LLMemType mt_ld(LLMemType::MTYPE_PIPELINE_LIGHTING_DETAIL);
 	refreshCachedSettings();
 
 	if (level < 0)
@@ -1522,7 +1521,6 @@ LLDrawPool *LLPipeline::findPool(const U32 type, LLViewerTexture *tex0)
 
 LLDrawPool *LLPipeline::getPool(const U32 type,	LLViewerTexture *tex0)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE);
 	LLDrawPool *poolp = findPool(type, tex0);
 	if (poolp)
 	{
@@ -1539,7 +1537,6 @@ LLDrawPool *LLPipeline::getPool(const U32 type,	LLViewerTexture *tex0)
 // static
 LLDrawPool* LLPipeline::getPoolFromTE(const LLTextureEntry* te, LLViewerTexture* imagep)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE);
 	U32 type = getPoolTypeFromTE(te, imagep);
 	return gPipeline.getPool(type, imagep);
 }
@@ -1547,8 +1544,6 @@ LLDrawPool* LLPipeline::getPoolFromTE(const LLTextureEntry* te, LLViewerTexture*
 //static 
 U32 LLPipeline::getPoolTypeFromTE(const LLTextureEntry* te, LLViewerTexture* imagep)
 {
-	LLMemType mt_gpt(LLMemType::MTYPE_PIPELINE_GET_POOL_TYPE);
-	
 	if (!te || !imagep)
 	{
 		return 0;
@@ -1577,7 +1572,6 @@ U32 LLPipeline::getPoolTypeFromTE(const LLTextureEntry* te, LLViewerTexture* ima
 
 void LLPipeline::addPool(LLDrawPool *new_poolp)
 {
-	LLMemType mt_a(LLMemType::MTYPE_PIPELINE_ADD_POOL);
 	assertInitialized();
 	mPools.insert(new_poolp);
 	addToQuickLookup( new_poolp );
@@ -1585,7 +1579,6 @@ void LLPipeline::addPool(LLDrawPool *new_poolp)
 
 void LLPipeline::allocDrawable(LLViewerObject *vobj)
 {
-	LLMemType mt_ad(LLMemType::MTYPE_PIPELINE_ALLOCATE_DRAWABLE);
 	LLDrawable *drawable = new LLDrawable();
 	vobj->mDrawable = drawable;
 	
@@ -1699,8 +1692,6 @@ void LLPipeline::removeMutedAVsLights(LLVOAvatar* muted_avatar)
 
 U32 LLPipeline::addObject(LLViewerObject *vobj)
 {
-	LLMemType mt_ao(LLMemType::MTYPE_PIPELINE_ADD_OBJECT);
-
 	if (RenderDelayCreation)
 	{
 		mCreateQ.push_back(vobj);
@@ -1716,7 +1707,6 @@ U32 LLPipeline::addObject(LLViewerObject *vobj)
 void LLPipeline::createObjects(F32 max_dtime)
 {
 	LLFastTimer ftm(FTM_PIPELINE_CREATE);
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_CREATE_OBJECTS);
 
 	LLTimer update_timer;
 
@@ -1779,7 +1769,7 @@ void LLPipeline::resetFrameStats()
 {
 	assertInitialized();
 
-	LLViewerStats::getInstance()->mTrianglesDrawnStat.addValue(mTrianglesDrawn/1000.f);
+	LLStatViewer::TRIANGLES_DRAWN.add(mTrianglesDrawn);
 
 	if (mBatchCount > 0)
 	{
@@ -1898,11 +1888,12 @@ void LLPipeline::updateMovedList(LLDrawable::drawable_vector_t& moved_list)
 
 static LLFastTimer::DeclareTimer FTM_OCTREE_BALANCE("Balance Octree");
 static LLFastTimer::DeclareTimer FTM_UPDATE_MOVE("Update Move");
+static LLFastTimer::DeclareTimer FTM_RETEXTURE("Retexture");
+static LLFastTimer::DeclareTimer FTM_MOVED_LIST("Moved List");
 
 void LLPipeline::updateMove()
 {
 	LLFastTimer t(FTM_UPDATE_MOVE);
-	LLMemType mt_um(LLMemType::MTYPE_PIPELINE_UPDATE_MOVE);
 
 	if (FreezeTime)
 	{
@@ -1912,8 +1903,7 @@ void LLPipeline::updateMove()
 	assertInitialized();
 
 	{
-		static LLFastTimer::DeclareTimer ftm("Retexture");
-		LLFastTimer t(ftm);
+		LLFastTimer t(FTM_RETEXTURE);
 
 		for (LLDrawable::drawable_set_t::iterator iter = mRetexturedList.begin();
 			 iter != mRetexturedList.end(); ++iter)
@@ -1928,8 +1918,7 @@ void LLPipeline::updateMove()
 	}
 
 	{
-		static LLFastTimer::DeclareTimer ftm("Moved List");
-		LLFastTimer t(ftm);
+		LLFastTimer t(FTM_MOVED_LIST);
 		updateMovedList(mMovedList);
 	}
 
@@ -2256,7 +2245,6 @@ static LLFastTimer::DeclareTimer FTM_CULL("Object Culling");
 void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_clip, LLPlane* planep)
 {
 	LLFastTimer t(FTM_CULL);
-	LLMemType mt_uc(LLMemType::MTYPE_PIPELINE_UPDATE_CULL);
 
 	grabReferences(result);
 
@@ -2331,7 +2319,7 @@ void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_cl
 		bound_shader = true;
 		gOcclusionCubeProgram.bind();
 	}
-	
+
 	if (sUseOcclusion > 1)
 	{
 		if (mCubeVB.isNull())
@@ -2509,7 +2497,7 @@ void LLPipeline::doOcclusion(LLCamera& camera)
 			{
 				gOcclusionCubeProgram.bind();
 			}
-		}
+			}
 
 		if (mCubeVB.isNull())
 		{ //cube VB will be used for issuing occlusion queries
@@ -2595,8 +2583,8 @@ void LLPipeline::clearRebuildGroups()
 		// Else, no HUD objects so clear the build state
 		else
 		{
-			group->clearState(LLSpatialGroup::IN_BUILD_Q1);
-		}
+		group->clearState(LLSpatialGroup::IN_BUILD_Q1);
+	}
 	}
 
 	// Clear the group
@@ -2623,8 +2611,8 @@ void LLPipeline::clearRebuildGroups()
 		// Else, no HUD objects so clear the build state
 		else
 		{
-			group->clearState(LLSpatialGroup::IN_BUILD_Q2);
-		}
+		group->clearState(LLSpatialGroup::IN_BUILD_Q2);
+	}	
 	}	
 	// Clear the group
 	mGroupQ2.clear();
@@ -2638,7 +2626,6 @@ void LLPipeline::rebuildPriorityGroups()
 {
 	LLFastTimer t(FTM_REBUILD_PRIORITY_GROUPS);
 	LLTimer update_timer;
-	LLMemType mt(LLMemType::MTYPE_PIPELINE);
 	assertInitialized();
 
 	gMeshRepo.notifyLoadedMeshes();
@@ -2710,7 +2697,6 @@ void LLPipeline::rebuildGroups()
 void LLPipeline::updateGeom(F32 max_dtime)
 {
 	LLTimer update_timer;
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_UPDATE_GEOM);
 	LLPointer<LLDrawable> drawablep;
 
 	LLFastTimer t(FTM_GEO_UPDATE);
@@ -2761,7 +2747,7 @@ void LLPipeline::updateGeom(F32 max_dtime)
 		
 	S32 count = 0;
 	
-	max_dtime = llmax(update_timer.getElapsedTimeF32()+0.001f, max_dtime);
+	max_dtime = llmax(update_timer.getElapsedTimeF32()+0.001f, LLUnit<LLUnits::Seconds, F32>(max_dtime));
 	LLSpatialGroup* last_group = NULL;
 	LLSpatialBridge* last_bridge = NULL;
 
@@ -2804,8 +2790,6 @@ void LLPipeline::updateGeom(F32 max_dtime)
 
 void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_VISIBLE);
-
 	if(drawablep && !drawablep->isDead())
 	{
 		if (drawablep->isSpatialBridge())
@@ -2845,8 +2829,6 @@ void LLPipeline::markVisible(LLDrawable *drawablep, LLCamera& camera)
 
 void LLPipeline::markMoved(LLDrawable *drawablep, BOOL damped_motion)
 {
-	LLMemType mt_mm(LLMemType::MTYPE_PIPELINE_MARK_MOVED);
-
 	if (!drawablep)
 	{
 		//llerrs << "Sending null drawable to moved list!" << llendl;
@@ -2891,8 +2873,6 @@ void LLPipeline::markMoved(LLDrawable *drawablep, BOOL damped_motion)
 
 void LLPipeline::markShift(LLDrawable *drawablep)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_SHIFT);
-
 	if (!drawablep || drawablep->isDead())
 	{
 		return;
@@ -2918,8 +2898,6 @@ static LLFastTimer::DeclareTimer FTM_SHIFT_HUD("Shift HUD");
 
 void LLPipeline::shiftObjects(const LLVector3 &offset)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_SHIFT_OBJECTS);
-
 	assertInitialized();
 
 	glClear(GL_DEPTH_BUFFER_BIT);
@@ -2973,8 +2951,6 @@ void LLPipeline::shiftObjects(const LLVector3 &offset)
 
 void LLPipeline::markTextured(LLDrawable *drawablep)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_TEXTURED);
-
 	if (drawablep && !drawablep->isDead() && assertInitialized())
 	{
 		mRetexturedList.insert(drawablep);
@@ -3025,8 +3001,6 @@ void LLPipeline::markMeshDirty(LLSpatialGroup* group)
 
 void LLPipeline::markRebuild(LLSpatialGroup* group, BOOL priority)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE);
-	
 	if (group && !group->isDead() && group->mSpatialPartition)
 	{
 		if (group->mSpatialPartition->mPartitionType == LLViewerRegion::PARTITION_HUD)
@@ -3066,8 +3040,6 @@ void LLPipeline::markRebuild(LLSpatialGroup* group, BOOL priority)
 
 void LLPipeline::markRebuild(LLDrawable *drawablep, LLDrawable::EDrawableFlags flag, BOOL priority)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_MARK_REBUILD);
-
 	if (drawablep && !drawablep->isDead() && assertInitialized())
 	{
 		if (!drawablep->isState(LLDrawable::BUILT))
@@ -3114,7 +3086,6 @@ void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
 	}
 
 	LLFastTimer ftm(FTM_STATESORT);
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);
 
 	//LLVertexBuffer::unbind();
 
@@ -3215,7 +3186,6 @@ void LLPipeline::stateSort(LLCamera& camera, LLCullResult &result)
 
 void LLPipeline::stateSort(LLSpatialGroup* group, LLCamera& camera)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);
 	if (group->changeLOD())
 	{
 		for (LLSpatialGroup::element_iter i = group->getDataBegin(); i != group->getDataEnd(); ++i)
@@ -3234,7 +3204,6 @@ void LLPipeline::stateSort(LLSpatialGroup* group, LLCamera& camera)
 
 void LLPipeline::stateSort(LLSpatialBridge* bridge, LLCamera& camera)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);
 	if (bridge->getSpatialGroup()->changeLOD())
 	{
 		bool force_update = false;
@@ -3244,8 +3213,6 @@ void LLPipeline::stateSort(LLSpatialBridge* bridge, LLCamera& camera)
 
 void LLPipeline::stateSort(LLDrawable* drawablep, LLCamera& camera)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_STATE_SORT);
-		
 	if (!drawablep
 		|| drawablep->isDead() 
 		|| !hasRenderType(drawablep->getRenderType()))
@@ -3408,11 +3375,11 @@ void renderScriptedTouchBeacons(LLDrawable* drawablep)
 				if (facep)
 				{
 					gPipeline.mHighlightFaces.push_back(facep);
+				}
 			}
 		}
 	}
 }
-}
 
 void renderPhysicalBeacons(LLDrawable* drawablep)
 {
@@ -3437,11 +3404,11 @@ void renderPhysicalBeacons(LLDrawable* drawablep)
 				if (facep)
 				{
 					gPipeline.mHighlightFaces.push_back(facep);
+				}
 			}
 		}
 	}
 }
-}
 
 void renderMOAPBeacons(LLDrawable* drawablep)
 {
@@ -3477,11 +3444,11 @@ void renderMOAPBeacons(LLDrawable* drawablep)
 				if (facep)
 				{
 					gPipeline.mHighlightFaces.push_back(facep);
+				}
 			}
 		}
 	}
 }
-}
 
 void renderParticleBeacons(LLDrawable* drawablep)
 {
@@ -3506,11 +3473,11 @@ void renderParticleBeacons(LLDrawable* drawablep)
 				if (facep)
 				{
 					gPipeline.mHighlightFaces.push_back(facep);
+				}
 			}
 		}
 	}
 }
-}
 
 void renderSoundHighlights(LLDrawable* drawablep)
 {
@@ -3528,15 +3495,14 @@ void renderSoundHighlights(LLDrawable* drawablep)
 				if (facep)
 				{
 					gPipeline.mHighlightFaces.push_back(facep);
+				}
 			}
 		}
 	}
 }
-}
 
 void LLPipeline::postSort(LLCamera& camera)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_POST_SORT);
 	LLFastTimer ftm(FTM_STATESORT_POSTSORT);
 
 	assertInitialized();
@@ -3745,7 +3711,7 @@ void LLPipeline::postSort(LLCamera& camera)
 						if (facep)
 						{
 							gPipeline.mSelectedFaces.push_back(facep);
-					}
+						}
 					}
 					return true;
 				}
@@ -3754,33 +3720,6 @@ void LLPipeline::postSort(LLCamera& camera)
 		}
 	}
 
-	/*static LLFastTimer::DeclareTimer FTM_TRANSFORM_WAIT("Transform Fence");
-	static LLFastTimer::DeclareTimer FTM_TRANSFORM_DO_WORK("Transform Work");
-	if (use_transform_feedback)
-	{ //using transform feedback, wait for transform feedback to complete
-		LLFastTimer t(FTM_TRANSFORM_WAIT);
-
-		S32 done = 0;
-		//glGetQueryivARB(GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, GL_CURRENT_QUERY, &count);
-		
-		glGetQueryObjectivARB(mMeshDirtyQueryObject, GL_QUERY_RESULT_AVAILABLE, &done);
-		
-		while (!done)
-		{ 
-			{
-				LLFastTimer t(FTM_TRANSFORM_DO_WORK);
-				F32 max_time = llmin(gFrameIntervalSeconds*10.f, 1.f);
-				//do some useful work while we wait
-				LLAppViewer::getTextureCache()->update(max_time); // unpauses the texture cache thread
-				LLAppViewer::getImageDecodeThread()->update(max_time); // unpauses the image thread
-				LLAppViewer::getTextureFetch()->update(max_time); // unpauses the texture fetch thread
-			}
-			glGetQueryObjectivARB(mMeshDirtyQueryObject, GL_QUERY_RESULT_AVAILABLE, &done);
-		}
-
-		mTransformFeedbackPrimitives = 0;
-	}*/
-						
 	//LLSpatialGroup::sNoDelete = FALSE;
 	llpushcallstacks ;
 }
@@ -3788,7 +3727,6 @@ void LLPipeline::postSort(LLCamera& camera)
 
 void render_hud_elements()
 {
-	LLMemType mt_rhe(LLMemType::MTYPE_PIPELINE_RENDER_HUD_ELS);
 	LLFastTimer t(FTM_RENDER_UI);
 	gPipeline.disableLights();		
 	
@@ -3843,8 +3781,6 @@ void render_hud_elements()
 
 void LLPipeline::renderHighlights()
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_RENDER_HL);
-
 	assertInitialized();
 
 	// Draw 3D UI elements here (before we clear the Z buffer in POOL_HUD)
@@ -4008,7 +3944,6 @@ U32 LLPipeline::sCurRenderPoolType = 0 ;
 
 void LLPipeline::renderGeom(LLCamera& camera, BOOL forceVBOUpdate)
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_RENDER_GEOM);
 	LLFastTimer t(FTM_RENDER_GEOMETRY);
 
 	assertInitialized();
@@ -4261,7 +4196,6 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 {
 	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:RenderGeomDeferred");
 
-	LLMemType mt_rgd(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_DEFFERRED);
 	LLFastTimer t(FTM_RENDER_GEOMETRY);
 
 	LLFastTimer t2(FTM_DEFERRED_POOLS);
@@ -4358,7 +4292,6 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 
 void LLPipeline::renderGeomPostDeferred(LLCamera& camera)
 {
-	LLMemType mt_rgpd(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_POST_DEF);
 	LLFastTimer t(FTM_POST_DEFERRED_POOLS);
 	U32 cur_type = 0;
 
@@ -4454,7 +4387,6 @@ void LLPipeline::renderGeomPostDeferred(LLCamera& camera)
 
 void LLPipeline::renderGeomShadow(LLCamera& camera)
 {
-	LLMemType mt_rgs(LLMemType::MTYPE_PIPELINE_RENDER_GEOM_SHADOW);
 	U32 cur_type = 0;
 	
 	LLGLEnable cull(GL_CULL_FACE);
@@ -4608,8 +4540,6 @@ void LLPipeline::renderPhysicsDisplay()
 
 void LLPipeline::renderDebug()
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE);
-
 	assertInitialized();
 
 	bool hud_only = hasRenderType(LLPipeline::RENDER_TYPE_HUD);
@@ -4965,7 +4895,7 @@ void LLPipeline::renderDebug()
 		{
 			DebugBlip& blip = *iter;
 
-			blip.mAge += gFrameIntervalSeconds;
+			blip.mAge += gFrameIntervalSeconds.value();
 			if (blip.mAge > 2.f)
 			{
 				mDebugBlips.erase(iter++);
@@ -4975,7 +4905,7 @@ void LLPipeline::renderDebug()
 				iter++;
 			}
 
-			blip.mPosition.mV[2] += gFrameIntervalSeconds*2.f;
+			blip.mPosition.mV[2] += gFrameIntervalSeconds.value()*2.f;
 
 			gGL.color4fv(blip.mColor.mV);
 			gGL.vertex3fv(blip.mPosition.mV);
@@ -5262,7 +5192,6 @@ static LLFastTimer::DeclareTimer FTM_REBUILD_POOLS("Rebuild Pools");
 void LLPipeline::rebuildPools()
 {
 	LLFastTimer t(FTM_REBUILD_POOLS);
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_REBUILD_POOLS);
 
 	assertInitialized();
 
@@ -5302,8 +5231,6 @@ void LLPipeline::rebuildPools()
 
 void LLPipeline::addToQuickLookup( LLDrawPool* new_poolp )
 {
-	LLMemType mt(LLMemType::MTYPE_PIPELINE_QUICK_LOOKUP);
-
 	assertInitialized();
 
 	switch( new_poolp->getType() )
@@ -5469,7 +5396,6 @@ void LLPipeline::removePool( LLDrawPool* poolp )
 void LLPipeline::removeFromQuickLookup( LLDrawPool* poolp )
 {
 	assertInitialized();
-	LLMemType mt(LLMemType::MTYPE_PIPELINE);
 	switch( poolp->getType() )
 	{
 	case LLDrawPool::POOL_SIMPLE:
@@ -5790,7 +5716,7 @@ void LLPipeline::calcNearbyLights(LLCamera& camera)
 				{
 					if (farthest_light->fade >= 0.f)
 					{
-						farthest_light->fade = -gFrameIntervalSeconds;
+						farthest_light->fade = -(gFrameIntervalSeconds.value());
 					}
 				}
 				else
@@ -5886,12 +5812,12 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 				if (fade >= 0.f)
 				{
 					fade = fade / LIGHT_FADE_TIME;
-					((Light*) (&(*iter)))->fade += gFrameIntervalSeconds;
+					((Light*) (&(*iter)))->fade += gFrameIntervalSeconds.value();
 				}
 				else
 				{
 					fade = 1.f + fade / LIGHT_FADE_TIME;
-					((Light*) (&(*iter)))->fade -= gFrameIntervalSeconds;
+					((Light*) (&(*iter)))->fade -= gFrameIntervalSeconds.value();
 				}
 				fade = llclamp(fade,0.f,1.f);
 				light_color *= fade;
@@ -6892,7 +6818,6 @@ void LLPipeline::doResetVertexBuffers()
 
 void LLPipeline::renderObjects(U32 type, U32 mask, BOOL texture, BOOL batch_texture)
 {
-	LLMemType mt_ro(LLMemType::MTYPE_PIPELINE_RENDER_OBJECTS);
 	assertInitialized();
 	gGL.loadMatrix(gGLModelView);
 	gGLLastMatrix = NULL;
@@ -6965,7 +6890,6 @@ static LLFastTimer::DeclareTimer FTM_RENDER_BLOOM("Bloom");
 
 void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 {
-	LLMemType mt_ru(LLMemType::MTYPE_PIPELINE_RENDER_BLOOM);
 	if (!(gPipeline.canUseVertexShaders() &&
 		sRenderGlow))
 	{
@@ -7117,11 +7041,11 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 
 	gGlowProgram.unbind();
 
-	if (LLRenderTarget::sUseFBO)
+	/*if (LLRenderTarget::sUseFBO)
 	{
 		LLFastTimer ftm(FTM_RENDER_BLOOM_FBO);
 		glBindFramebuffer(GL_FRAMEBUFFER, 0);
-	}
+	}*/
 
 	gGLViewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;
 	gGLViewport[1] = gViewerWindow->getWorldViewRectRaw().mBottom;
@@ -7208,7 +7132,7 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
 			}
 			else if (transition_time < 1.f)
 			{ //currently in a transition, continue interpolating
-				transition_time += 1.f/CameraFocusTransitionTime*gFrameIntervalSeconds;
+				transition_time += 1.f/CameraFocusTransitionTime*gFrameIntervalSeconds.value();
 				transition_time = llmin(transition_time, 1.f);
 
 				F32 t = cosf(transition_time*F_PI+F_PI)*0.5f+0.5f;
@@ -7997,10 +7921,6 @@ void LLPipeline::renderDeferredLighting()
 		gGL.popMatrix();
 		stop_glerror();
 
-		//copy depth and stencil from deferred screen
-		//mScreen.copyContents(mDeferredScreen, 0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight(),
-		//					0, 0, mScreen.getWidth(), mScreen.getHeight(), GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);
-
 		mScreen.bindTarget();
 		// clear color buffer here - zeroing alpha (glow) is important or it will accumulate against sky
 		glClearColor(0,0,0,0);
@@ -8772,8 +8692,6 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 		}
 		last_update = LLDrawPoolWater::sNeedsReflectionUpdate && LLDrawPoolWater::sNeedsDistortionUpdate;
 
-		LLRenderTarget::unbindTarget();
-
 		LLPipeline::sReflectionRender = FALSE;
 
 		if (!LLRenderTarget::sUseFBO)
@@ -9206,7 +9124,7 @@ void LLPipeline::generateHighlight(LLCamera& camera)
 	
 	if (!mHighlightSet.empty())
 	{
-		F32 transition = gFrameIntervalSeconds/RenderHighlightFadeTime;
+		F32 transition = gFrameIntervalSeconds.value()/RenderHighlightFadeTime;
 
 		LLGLDisable test(GL_ALPHA_TEST);
 		LLGLDepthTest depth(GL_FALSE);
@@ -9841,7 +9759,9 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 
 	if (gen_shadow)
 	{
-		F32 fade_amt = gFrameIntervalSeconds * llmax(LLViewerCamera::getInstance()->getVelocityStat()->getCurrentPerSec(), 1.f);
+		LLTrace::Count<>* velocity_stat = LLViewerCamera::getVelocityStat();
+		F32 fade_amt = gFrameIntervalSeconds.value() 
+			* llmax(LLTrace::get_frame_recording().getLastRecordingPeriod().getSum(*velocity_stat) / LLTrace::get_frame_recording().getLastRecordingPeriod().getDuration().value(), 1.0);
 
 		//update shadow targets
 		for (U32 i = 0; i < 2; i++)
@@ -10031,7 +9951,6 @@ static LLFastTimer::DeclareTimer FTM_IMPOSTOR_RESIZE("Impostor Resize");
 
 void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 {
-	LLMemType mt_gi(LLMemType::MTYPE_PIPELINE_GENERATE_IMPOSTOR);
 	LLGLState::checkStates();
 	LLGLState::checkTextureChannels();
 	LLGLState::checkClientArrays();
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 7a0ca86231..c38e7fbdc1 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -119,8 +119,14 @@ public:
 	void createGLBuffers();
 	void createLUTBuffers();
 
-	void allocateScreenBuffer(U32 resX, U32 resY);
+	//allocate the largest screen buffer possible up to resX, resY
+	//returns true if full size buffer allocated, false if some other size is allocated
+	bool allocateScreenBuffer(U32 resX, U32 resY);
+
+	//attempt to allocate screen buffers at resX, resY
+	//returns true if allocation successful, false otherwise
 	bool allocateScreenBuffer(U32 resX, U32 resY, U32 samples);
+
 	void allocatePhysicsBuffer();
 	
 	void resetVertexBuffers(LLDrawable* drawable);
diff --git a/indra/newview/skins/default/xui/da/floater_lagmeter.xml b/indra/newview/skins/default/xui/da/floater_lagmeter.xml
deleted file mode 100644
index 149d174c34..0000000000
--- a/indra/newview/skins/default/xui/da/floater_lagmeter.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="LAG METER">
-	<floater.string name="max_title_msg">
-		Lag måler
-	</floater.string>
-	<floater.string name="max_width_px">
-		360
-	</floater.string>
-	<floater.string name="min_title_msg">
-		Lag
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		Klient
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		Normal, vindue i baggrund
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		Klients billeder/sek under [CLIENT_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		Klients billeder/sek mellem [CLIENT_FRAME_RATE_CRITICAL] og [CLIENT_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		Mulig årsag: &apos;Vis afstand&apos; sat for højt i grafik indstillinger
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		Mulig årsag: Billeder hentes
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		Mulig årsag: For mange billeder i hukommelse
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		Mulig årsag: For mange komplekse objekter i scenariet
-	</floater.string>
-	<floater.string name="network_text_msg">
-		Netværk
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		Forbindelsen mister over [NETWORK_PACKET_LOSS_CRITICAL]% pakker
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		Forbindelsen mister [NETWORK_PACKET_LOSS_WARNING]%-[NETWORK_PACKET_LOSS_CRITICAL]% pakker
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		Forbindelsens ping tider er over [NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		Forbindelsens ping tider er [NETWORK_PING_WARNING]-[NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		Muligvis dårlig forbindelse eller &apos;båndbredde&apos; sat for højt i netværksopsætning.
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		Muligvis dårlig forbindelse eller fil delings program.
-	</floater.string>
-	<floater.string name="server_text_msg">
-		Server
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		Simulator framerate er under [SERVER_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		Simulator framerate er mellem [SERVER_FRAME_RATE_CRITICAL] og [SERVER_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		Mulig årsag: For mange fysiske objekter
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		Mulig årsag: For mange objekter med script
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		Mulig årsag: For meget netværks trafik
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		Mulig årsag: For mange avatarer i bevægelse i regionen
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		Mulig årsag: For mange billed udregninger
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		Mulig årsag: Simulator belastning for stor
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button label="" label_selected="" name="client_lagmeter" tool_tip="Status for klient lag"/>
-	<text name="client">
-		Klient
-	</text>
-	<text name="client_text">
-		Normal
-	</text>
-	<button label="" label_selected="" name="network_lagmeter" tool_tip="Network lag status"/>
-	<text name="network">
-		Netværk
-	</text>
-	<text name="network_text">
-		Normal
-	</text>
-	<button label="" label_selected="" name="server_lagmeter" tool_tip="Status for server lag"/>
-	<text name="server">
-		Server
-	</text>
-	<text name="server_text">
-		Normal
-	</text>
-	<button label="&gt;&gt;" name="minimize" tool_tip="Ændre størrelse"/>
-</floater>
diff --git a/indra/newview/skins/default/xui/de/floater_lagmeter.xml b/indra/newview/skins/default/xui/de/floater_lagmeter.xml
deleted file mode 100644
index 45ff37c147..0000000000
--- a/indra/newview/skins/default/xui/de/floater_lagmeter.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="LAG METER">
-	<floater.string name="max_title_msg">
-		Lag-Anzeige
-	</floater.string>
-	<floater.string name="max_width_px">
-		350
-	</floater.string>
-	<floater.string name="min_title_msg">
-		Lag
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		Client
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		Normal, Fenster im Hintergrund
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		Client-Frame-Rate unter [CLIENT_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		Client-Frame-Rate zwischen [CLIENT_FRAME_RATE_CRITICAL] und [CLIENT_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		Mögliche Ursache: Sichtweite zu groß
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		Mögliche Ursache: Bilder werden geladen
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		Mögliche Ursache: Zu viele Bilder im Speicher
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		Mögliche Ursache: Zu viele komplexe Objekte in der Szene
-	</floater.string>
-	<floater.string name="network_text_msg">
-		Netzwerk
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		Paketverlust der Verbindung übersteigt [NETWORK_PACKET_LOSS_CRITICAL]%
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		Paketverlust der Verbindung liegt bei [NETWORK_PACKET_LOSS_WARNING]%-[NETWORK_PACKET_LOSS_CRITICAL]%
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		Ping-Zeit der Verbindung übersteigt [NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		Ping-Zeit der Verbindung liegt bei [NETWORK_PING_WARNING]-[NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		Möglicherweise schlechte Verbindung oder zu hoher Wert für „Bandbreite“.
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		Möglicherweise schlechte Verbindung oder File-Sharing-Anwendung.
-	</floater.string>
-	<floater.string name="server_text_msg">
-		Server
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		Simulator-Frame-Rate liegt unter [SERVER_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		Simulator-Frame-Rate liegt zwischen [SERVER_FRAME_RATE_CRITICAL] und [SERVER_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		Mögliche Ursache: Zu viele physische Objekte
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		Mögliche Ursache: Zu viele geskriptete Objekte
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		Mögliche Ursache: Zu viel Netzwerktraffic
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		Mögliche Ursache: Zu viele Personen in Bewegung in der Region
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		Mögliche Ursache: Zu viele Bildberechnungen
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		Mögliche Ursache: Zu hohe Simulator-Last
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button name="client_lagmeter" tool_tip="Client-Lag-Status"/>
-	<text name="client">
-		Client
-	</text>
-	<text name="client_text">
-		Normal
-	</text>
-	<button name="network_lagmeter" tool_tip="Netzwerk-Lag-Status"/>
-	<text name="network">
-		Netzwerk
-	</text>
-	<text name="network_text">
-		Normal
-	</text>
-	<button name="server_lagmeter" tool_tip="Server-Lag-Status"/>
-	<text name="server">
-		Server
-	</text>
-	<text name="server_text">
-		Normal
-	</text>
-	<button label="&gt;&gt; " name="minimize" tool_tip="Fenstergröße ändern"/>
-</floater>
diff --git a/indra/newview/skins/default/xui/en/floater_lagmeter.xml b/indra/newview/skins/default/xui/en/floater_lagmeter.xml
deleted file mode 100644
index b24c745bdd..0000000000
--- a/indra/newview/skins/default/xui/en/floater_lagmeter.xml
+++ /dev/null
@@ -1,336 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<floater
- legacy_header_height="18"
- height="170"
- layout="topleft"
- name="floater_lagmeter"
- help_topic="floater_lagmeter"
- save_rect="true"
- title="LAG METER"
- width="350">
-    <floater.string
-     name="max_title_msg">
-        Lag Meter
-    </floater.string>
-    <floater.string
-     name="max_width_px">
-        360
-    </floater.string>
-    <floater.string
-     name="min_title_msg">
-        Lag
-    </floater.string>
-    <floater.string
-     name="min_width_px">
-        90
-    </floater.string>
-    <floater.string
-     name="client_text_msg">
-        Client
-    </floater.string>
-    <floater.string
-     name="client_frame_rate_critical_fps">
-        10
-    </floater.string>
-    <floater.string
-     name="client_frame_rate_warning_fps">
-        15
-    </floater.string>
-    <floater.string
-     name="client_frame_time_window_bg_msg">
-        Normal, window in background
-    </floater.string>
-    <floater.string
-     name="client_frame_time_critical_msg">
-        Client frame rate below [CLIENT_FRAME_RATE_CRITICAL]
-    </floater.string>
-    <floater.string
-     name="client_frame_time_warning_msg">
-        Client frame rate between [CLIENT_FRAME_RATE_CRITICAL] and [CLIENT_FRAME_RATE_WARNING]
-    </floater.string>
-    <floater.string
-     name="client_frame_time_normal_msg">
-        Normal
-    </floater.string>
-    <floater.string
-     name="client_draw_distance_cause_msg">
-        Possible cause: Draw distance set too high
-    </floater.string>
-    <floater.string
-     name="client_texture_loading_cause_msg">
-        Possible cause: Images loading
-    </floater.string>
-    <floater.string
-     name="client_texture_memory_cause_msg">
-        Possible cause: Too many images in memory
-    </floater.string>
-    <floater.string
-     name="client_complex_objects_cause_msg">
-        Possible cause: Too many complex objects in scene
-    </floater.string>
-    <floater.string
-     name="network_text_msg">
-        Network
-    </floater.string>
-    <floater.string
-     name="network_packet_loss_critical_pct">
-        10
-    </floater.string>
-    <floater.string
-     name="network_packet_loss_warning_pct">
-        5
-    </floater.string>
-    <floater.string
-     name="network_packet_loss_critical_msg">
-        Connection is dropping over [NETWORK_PACKET_LOSS_CRITICAL]% of packets
-    </floater.string>
-    <floater.string
-     name="network_packet_loss_warning_msg">
-        Connection is dropping [NETWORK_PACKET_LOSS_WARNING]%-[NETWORK_PACKET_LOSS_CRITICAL]% of packets
-    </floater.string>
-    <floater.string
-     name="network_performance_normal_msg">
-        Normal
-    </floater.string>
-    <floater.string
-     name="network_ping_critical_ms">
-        600
-    </floater.string>
-    <floater.string
-     name="network_ping_warning_ms">
-        300
-    </floater.string>
-    <floater.string
-     name="network_ping_critical_msg">
-        Connection ping time is over [NETWORK_PING_CRITICAL] ms
-    </floater.string>
-    <floater.string
-     name="network_ping_warning_msg">
-        Connection ping time is [NETWORK_PING_WARNING]-[NETWORK_PING_CRITICAL] ms
-    </floater.string>
-    <floater.string
-     name="network_packet_loss_cause_msg">
-        Possible bad connection or &apos;Bandwidth&apos; pref too high.
-    </floater.string>
-    <floater.string
-     name="network_ping_cause_msg">
-        Possible bad connection or file-sharing app.
-    </floater.string>
-    <floater.string
-     name="server_text_msg">
-        Server
-    </floater.string>
-    <floater.string
-     name="server_frame_rate_critical_fps">
-        20
-    </floater.string>
-    <floater.string
-     name="server_frame_rate_warning_fps">
-        30
-    </floater.string>
-    <floater.string
-     name="server_single_process_max_time_ms">
-        20
-    </floater.string>
-    <floater.string
-     name="server_frame_time_critical_msg">
-        Simulator framerate below [SERVER_FRAME_RATE_CRITICAL]
-    </floater.string>
-    <floater.string
-     name="server_frame_time_warning_msg">
-        Simulator framerate between [SERVER_FRAME_RATE_CRITICAL] and [SERVER_FRAME_RATE_WARNING]
-    </floater.string>
-    <floater.string
-     name="server_frame_time_normal_msg">
-        Normal
-    </floater.string>
-    <floater.string
-     name="server_physics_cause_msg">
-        Possible Cause: Too many physical objects
-    </floater.string>
-    <floater.string
-     name="server_scripts_cause_msg">
-        Possible Cause: Too many scripted objects
-    </floater.string>
-    <floater.string
-     name="server_net_cause_msg">
-        Possible Cause: Too much network traffic
-    </floater.string>
-    <floater.string
-     name="server_agent_cause_msg">
-        Possible Cause: Too many moving people in region
-    </floater.string>
-    <floater.string
-     name="server_images_cause_msg">
-        Possible Cause: Too many image calculations
-    </floater.string>
-    <floater.string
-     name="server_generic_cause_msg">
-        Possible Cause: Simulator load too heavy
-    </floater.string>
-    <floater.string
-     name="smaller_label">
-        &gt;&gt;
-    </floater.string>
-    <floater.string
-     name="bigger_label">
-        &lt;&lt;
-    </floater.string>
-    <button
-     follows="top|left"
-     height="16"
-     image_selected="lag_status_good.tga"
-     image_unselected="lag_status_good.tga"
-     layout="topleft"
-     left="8"
-     name="client_lagmeter"
-     tab_stop="false"
-     tool_tip="Client lag status"
-     top="24"
-     width="16" />
-    <text
-     type="string"
-     length="1"
-     follows="left|top"
-     font="SansSerif"
-     height="16"
-     layout="topleft"
-     left_pad="3"
-     name="client"
-     top_delta="0"
-     width="128">
-        Client
-    </text>
-    <text
-     invisiblity_control="LagMeterShrunk"
-     type="string"
-     length="1"
-     bottom="40"
-     follows="left|top"
-     font="SansSerif"
-     height="16"
-     layout="topleft"
-     left="110"
-     name="client_text"
-     right="-10">
-        Normal
-    </text>
-    <text
-     invisiblity_control="LagMeterShrunk"
-     bottom="56"
-     follows="left|top"
-     height="16"
-     layout="topleft"
-     left="40"
-     name="client_lag_cause"
-     right="-32" />
-    <button
-     follows="top|left"
-     height="16"
-     image_selected="lag_status_good.tga"
-     image_unselected="lag_status_good.tga"
-     layout="topleft"
-     left="8"
-     name="network_lagmeter"
-     tab_stop="false"
-     tool_tip="Network lag status"
-     top="64"
-     width="16" />
-    <text
-     type="string"
-     length="1"
-     follows="left|top"
-     font="SansSerif"
-     height="16"
-     layout="topleft"
-     left_pad="3"
-     name="network"
-     top_delta="0"
-     width="128">
-        Network
-    </text>
-    <text
-     invisiblity_control="LagMeterShrunk"
-     type="string"
-     length="1"
-     bottom="80"
-     follows="left|top"
-     font="SansSerif"
-     height="16"
-     layout="topleft"
-     left="110"
-     name="network_text"
-     right="-10">
-        Normal
-    </text>
-    <text
-     invisiblity_control="LagMeterShrunk"
-     bottom="96"
-     follows="left|top"
-     height="16"
-     layout="topleft"
-     left="40"
-     name="network_lag_cause"
-     right="-32" />
-    <button
-     follows="top|left"
-     height="16"
-     image_selected="lag_status_good.tga"
-     image_unselected="lag_status_good.tga"
-     layout="topleft"
-     left="8"
-     name="server_lagmeter"
-     tab_stop="false"
-     tool_tip="Server lag status"
-     top="104"
-     width="16" />
-    <text
-     type="string"
-     length="1"
-     follows="left|top"
-     font="SansSerif"
-     height="16"
-     layout="topleft"
-     left_pad="3"
-     name="server"
-     top_delta="0"
-     width="60">
-        Server
-    </text>
-    <text
-     invisiblity_control="LagMeterShrunk"
-     type="string"
-     length="1"
-     bottom="120"
-     follows="left|top"
-     font="SansSerif"
-     height="16"
-     layout="topleft"
-     left="110"
-     name="server_text"
-     right="-10">
-        Normal
-    </text>
-    <text
-     invisiblity_control="LagMeterShrunk"
-     bottom="136"
-     follows="left|top"
-     height="16"
-     layout="topleft"
-     left="40"
-     name="server_lag_cause"
-     right="-32" />
-    <button
-     follows="left|top"
-     height="20"
-     label="&gt;&gt;"
-     layout="topleft"
-     left="10"
-     name="minimize"
-	 tool_tip="Toggle floater size"
-     top_delta="24"
-     width="40">
-        <button.commit_callback
-         function="LagMeter.ClickShrink" />
-    </button>
-</floater>
diff --git a/indra/newview/skins/default/xui/en/floater_stats.xml b/indra/newview/skins/default/xui/en/floater_stats.xml
index f9eb16d224..273954ee3e 100644
--- a/indra/newview/skins/default/xui/en/floater_stats.xml
+++ b/indra/newview/skins/default/xui/en/floater_stats.xml
@@ -104,6 +104,7 @@
 				 label="KTris Drawn per Frame"
 				 unit_label="/fr"
 				 stat="trianglesdrawnstat"
+         unit_scale="0.001"
 				 bar_min="0"
 				 bar_max="10000"
 				 tick_spacing="1000"
@@ -116,6 +117,7 @@
 				 name="ktrissec"
 				 label="KTris Drawn per Sec"
 				 unit_label="/sec"
+         unit_scale="0.001"
 				 stat="trianglesdrawnstat"
 				 bar_min="0"
 				 bar_max="200000"
@@ -222,6 +224,8 @@
 				 name="gltexmemstat"
 				 label="GL Mem"
 				 stat="gltexmemstat"
+         unit_label="MB"
+         unit_scale="0.000001"
 				 bar_min="0.f"
 				 bar_max="400.f" 
 				 tick_spacing="100.f"
@@ -235,11 +239,13 @@
 				 name="formattedmemstat"
 				 label="Formatted Mem"
 				 stat="formattedmemstat"
+         unit_label="MB"
+         unit_scale="0.000001"
 				 bar_min="0.f"
 				 bar_max="400.f" 
 				 tick_spacing="100.f"
 				 label_spacing="200.f" 
-				 precision="1"
+				 precision="3"
 				 show_per_sec="false" 
          show_bar="false">
         </stat_bar>
@@ -247,12 +253,14 @@
 			  <stat_bar
 				 name="rawmemstat"
 				 label="Raw Mem"
+         unit_label="MB"
+         unit_scale="0.000001"
 				 stat="rawmemstat"
 				 bar_min="0.f"
 				 bar_max="400.f" 
 				 tick_spacing="100.f"
 				 label_spacing="200.f" 
-				 precision="1"
+				 precision="3"
 				 show_per_sec="false" 
          show_bar="false">
         </stat_bar>
@@ -261,11 +269,13 @@
 				 name="glboundmemstat"
 				 label="Bound Mem"
 				 stat="glboundmemstat"
+         unit_label="MB"
+         unit_scale="0.000001"
 				 bar_min="0.f"
 				 bar_max="400.f" 
 				 tick_spacing="100.f"
 				 label_spacing="200.f" 
-				 precision="1"
+				 precision="3"
 				 show_per_sec="false" 
          show_bar="false">
         </stat_bar>
diff --git a/indra/newview/skins/default/xui/en/floater_tools.xml b/indra/newview/skins/default/xui/en/floater_tools.xml
index 5204efbf65..436e9f8fed 100644
--- a/indra/newview/skins/default/xui/en/floater_tools.xml
+++ b/indra/newview/skins/default/xui/en/floater_tools.xml
@@ -2994,7 +2994,7 @@ even though the user gets a free copy.
                          use_ellipses="true"
 			 read_only="true"
 			 name="media_info"
-			 width="280" />
+			 width="180" />
       <web_browser
         visible="false"
         enabled="false"
diff --git a/indra/newview/skins/default/xui/en/floater_ui_preview.xml b/indra/newview/skins/default/xui/en/floater_ui_preview.xml
index 06d4327293..eb01294831 100644
--- a/indra/newview/skins/default/xui/en/floater_ui_preview.xml
+++ b/indra/newview/skins/default/xui/en/floater_ui_preview.xml
@@ -5,7 +5,7 @@
  height="640"
  layout="topleft"
  min_height="230"
- min_width="650"
+ min_width="750"
  name="gui_preview_tool"
  help_topic="gui_preview_tool"
  single_instance="true"
diff --git a/indra/newview/skins/default/xui/en/menu_outfit_gear.xml b/indra/newview/skins/default/xui/en/menu_outfit_gear.xml
index fc7272b904..3b8ace6308 100644
--- a/indra/newview/skins/default/xui/en/menu_outfit_gear.xml
+++ b/indra/newview/skins/default/xui/en/menu_outfit_gear.xml
@@ -195,6 +195,20 @@
 
     <menu_item_separator name="sepatator2" />
     <menu_item_call
+     label="Expand all folders"
+     layout="topleft"
+     name="expand">
+        <on_click
+         function="Gear.Expand" />
+    </menu_item_call>
+    <menu_item_call
+     label="Collapse all folders"
+     layout="topleft"
+     name="collapse">
+        <on_click
+         function="Gear.Collapse" />
+    </menu_item_call>
+    <menu_item_call
      label="Rename Outfit"
      layout="topleft"
      name="rename">
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index 1aa55acf2d..c6d9f9ef8f 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -276,30 +276,39 @@
              parameter="gestures" />
         </menu_item_check>
         <menu_item_separator/>
-        <menu_item_call
+        <menu_item_check
          label="Friends"
          name="My Friends"
          shortcut="control|shift|F">
-            <menu_item_call.on_click
+            <menu_item_check.on_check
+             function="SideTray.CheckPanelPeopleTab"
+             parameter="friends_panel" />
+            <menu_item_check.on_click
              function="SideTray.PanelPeopleTab"
              parameter="friends_panel" />
-            </menu_item_call>
-        <menu_item_call
+            </menu_item_check>
+        <menu_item_check
          label="Groups"
          name="My Groups"
          shortcut="control|shift|G">
-            <menu_item_call.on_click
+         	<menu_item_check.on_check
+             function="SideTray.CheckPanelPeopleTab"
+             parameter="groups_panel" />
+            <menu_item_check.on_click
              function="SideTray.PanelPeopleTab"
              parameter="groups_panel" />
-        </menu_item_call>
-        <menu_item_call
+        </menu_item_check>
+        <menu_item_check
          label="Nearby people"
          name="Active Speakers"
          shortcut="control|shift|A">
-            <menu_item_call.on_click
+        	 <menu_item_check.on_check
+             function="SideTray.CheckPanelPeopleTab"
+             parameter="nearby_panel" />
+            <menu_item_check.on_click
               function="SideTray.PanelPeopleTab"
               parameter="nearby_panel" />
-        </menu_item_call>
+        </menu_item_check>
         <menu_item_call
          label="Block List"
          name="Block List">
diff --git a/indra/newview/skins/default/xui/en/panel_group_roles.xml b/indra/newview/skins/default/xui/en/panel_group_roles.xml
index eea2606125..df91ad8b5e 100644
--- a/indra/newview/skins/default/xui/en/panel_group_roles.xml
+++ b/indra/newview/skins/default/xui/en/panel_group_roles.xml
@@ -254,7 +254,7 @@ things in this group. There&apos;s a broad variety of Abilities.
          column_padding="0"
          draw_stripes="true"
          height="200"
-         follows="left|top"
+         follows="left|top|right"
          layout="topleft"
          left="0"
          right="-1"
diff --git a/indra/newview/skins/default/xui/en/panel_media_settings_general.xml b/indra/newview/skins/default/xui/en/panel_media_settings_general.xml
index cdf14572fe..e844a15118 100644
--- a/indra/newview/skins/default/xui/en/panel_media_settings_general.xml
+++ b/indra/newview/skins/default/xui/en/panel_media_settings_general.xml
@@ -30,7 +30,7 @@
     (This page does not pass the specified whitelist)
   </text>
   <line_editor 
-   max_length="1024"
+   max_length_bytes="1024"
    bottom_delta="-24" 
    enabled="true" 
    follows="left|top" 
diff --git a/indra/newview/skins/default/xui/en/panel_script_ed.xml b/indra/newview/skins/default/xui/en/panel_script_ed.xml
index f6a8af0973..765b07ed8b 100644
--- a/indra/newview/skins/default/xui/en/panel_script_ed.xml
+++ b/indra/newview/skins/default/xui/en/panel_script_ed.xml
@@ -158,6 +158,7 @@
      text_readonly_color="DkGray"
      width="487"
      show_line_numbers="true" 
+     enable_tooltip_paste="true"
      word_wrap="true">
         Loading...
     </text_editor>
diff --git a/indra/newview/skins/default/xui/en/sidepanel_task_info.xml b/indra/newview/skins/default/xui/en/sidepanel_task_info.xml
index e69a17e037..f1ae14809f 100644
--- a/indra/newview/skins/default/xui/en/sidepanel_task_info.xml
+++ b/indra/newview/skins/default/xui/en/sidepanel_task_info.xml
@@ -1,36 +1,36 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <panel
-	 height="570"
-	 layout="topleft"
-	 name="object properties"
-	 help_topic="object_properties"
-	 title="Object Profile"
-	 width="333">
-	 <panel.string
-	  name="text deed continued">
-		Deed
-	 </panel.string>
-	<panel.string
-	 name="text deed">
-		Deed
-	</panel.string>
-            <panel.string
-             name="text modify info 1">
-                You can modify this object
-            </panel.string>
-            <panel.string
-             name="text modify info 2">
-                You can modify these objects
-            </panel.string>
-            <panel.string
-             name="text modify info 3">
-                You can't modify this object
-            </panel.string>
-            <panel.string
-             name="text modify info 4">
-                You can't modify these objects
-            </panel.string>
-            <panel.string
+    height="570"
+    layout="topleft"
+    name="object properties"
+    help_topic="object_properties"
+    title="Object Profile"
+    width="333">
+  <panel.string
+      name="text deed continued">
+    Deed
+  </panel.string>
+  <panel.string
+      name="text deed">
+    Deed
+  </panel.string>
+  <panel.string
+      name="text modify info 1">
+    You can modify this object
+  </panel.string>
+  <panel.string
+      name="text modify info 2">
+    You can modify these objects
+  </panel.string>
+  <panel.string
+      name="text modify info 3">
+    You can't modify this object
+  </panel.string>
+  <panel.string
+      name="text modify info 4">
+    You can't modify these objects
+  </panel.string>
+  <panel.string
       name="text modify info 5">
     You can't modify this object across a region boundary
   </panel.string>
@@ -39,399 +39,403 @@
     You can't modify these objects across a region boundary
   </panel.string>
   <panel.string
-             name="text modify warning">
-                This object has linked parts
-            </panel.string>
-            <panel.string
-             name="Cost Default">
-                Price: L$
-            </panel.string>
-            <panel.string
-             name="Cost Total">
-                Total Price: L$
-            </panel.string>
-            <panel.string
-             name="Cost Per Unit">
-                Price Per: L$
-            </panel.string>
-            <panel.string
-             name="Cost Mixed">
-                Mixed Price
-            </panel.string>
-            <panel.string
-             name="Sale Mixed">
-                Mixed Sale
-            </panel.string>
+      name="text modify warning">
+    This object has linked parts
+  </panel.string>
+  <panel.string
+      name="Cost Default">
+    Price: L$
+  </panel.string>
+  <panel.string
+      name="Cost Total">
+    Total Price: L$
+  </panel.string>
+  <panel.string
+      name="Cost Per Unit">
+    Price Per: L$
+  </panel.string>
+  <panel.string
+      name="Cost Mixed">
+    Mixed Price
+  </panel.string>
+  <panel.string
+      name="Sale Mixed">
+    Mixed Sale
+  </panel.string>
+  <button
+      follows="top|left"
+      height="24"
+      image_hover_unselected="BackButton_Over"
+      image_pressed="BackButton_Press"
+      image_unselected="BackButton_Off"
+      layout="topleft"
+      left="8"
+      name="back_btn"
+      tab_stop="false"
+      top="0"
+      width="30"
+      use_draw_context_alpha="false" />
+  <text
+      follows="top|left|right"
+      font="SansSerifHuge"
+      height="26"
+      layout="topleft"
+      left_pad="10"
+      name="title"
+      text_color="LtGray"
+      top="0"
+      use_ellipses="true"
+      value="Object Profile"
+      width="290" />
+  <text
+      follows="top|left"
+      height="13"
+      layout="topleft"
+      left="45"
+      name="where"
+      text_color="LtGray_50"
+      value="(Inworld)"
+      width="150" />
+  <panel
+      follows="all"
+      height="490"
+      label=""
+      layout="topleft"
+      left="10"
+      help_topic=""
+      name="properties_panel"
+      top="45"
+      width="313"
+      background_visible="true"
+      bg_alpha_color="DkGray2">
+    <text
+        type="string"
+        length="1"
+        follows="left|top"
+        height="10"
+        layout="topleft"
+        left="5"
+        name="Name:"
+        top="10"
+        width="78">
+      Name:
+    </text>
+    <line_editor
+        border_style="line"
+        border_thickness="1"
+        follows="left|top|right"
+        height="20"
+        layout="topleft"
+        left_delta="78"
+        max_length_bytes="63"
+        name="Object Name"
+        top_delta="0"
+        width="225" />
+    <text
+        type="string"
+        length="1"
+        follows="left|top"
+        height="10"
+        layout="topleft"
+        left="5"
+        name="Description:"
+        top_pad="10"
+        width="78">
+      Description:
+    </text>
+    <line_editor
+        border_style="line"
+        border_thickness="1"
+        follows="left|top|right"
+        height="23"
+        layout="topleft"
+        name="Object Description"
+        select_on_focus="true"
+        left_delta="78"
+        max_length_bytes="127"
+        top_delta="-5"
+        width="225"/>
+    <text
+        type="string"
+        length="1"
+        follows="left|top"
+        height="23"
+        layout="topleft"
+        left="5"
+        name="CreatorNameLabel"
+        top_pad="12"
+        width="78">
+      Creator:
+    </text>
+    <text
+        type="string"
+        follows="left|right|top"
+        font="SansSerifSmall"
+        height="15"
+        layout="topleft"
+        left_pad="0"
+        name="Creator Name"
+        top_delta="0"
+        translate="false"
+        use_ellipses="true" 
+        width="225">
+      TestString PleaseIgnore
+    </text>
+    <text
+        type="string"
+        length="1"
+        follows="left|top"
+        height="23"
+        layout="topleft"
+        left="5"
+        name="Owner:"
+        top_pad="15"
+        width="78">
+      Owner:
+    </text>
+    <text
+        type="string"
+        follows="left|right|top"
+        font="SansSerifSmall"
+        height="15"
+        layout="topleft"
+        left_pad="0"
+        name="Owner Name"
+        top_delta="0"
+        translate="false"
+        use_ellipses="true" 
+        width="225">
+      TestString PleaseIgnore
+    </text>
+    <text
+        type="string"
+        length="1"
+        follows="left|top"
+        height="23"
+        layout="topleft"
+        left="5"
+        name="Group_label"
+        top_pad="15"
+        width="78">
+      Group:
+    </text>
     <button
-     follows="top|left"
-     height="24"
-     image_hover_unselected="BackButton_Over"
-     image_pressed="BackButton_Press"
-     image_unselected="BackButton_Off"
-     layout="topleft"
-     left="8"
-     name="back_btn"
-     tab_stop="false"
-     top="0"
-     width="30"
-     use_draw_context_alpha="false" />
-        <text
-     follows="top|left|right"
-     font="SansSerifHuge"
-     height="26"
-     layout="topleft"
-     left_pad="10"
-     name="title"
-     text_color="LtGray"
-     top="0"
-     use_ellipses="true"
-     value="Object Profile"
-     width="290" />
-	    <text
-     follows="top|left"
-     height="13"
-     layout="topleft"
-     left="45"
-     name="where"
-     text_color="LtGray_50"
-     value="(Inworld)"
-     width="150" />
-	<panel
-         follows="all"
-         height="490"
-         label=""
-         layout="topleft"
-         left="10"
-         help_topic=""
-         name="properties_panel"
-         top="45"
-         width="313"
-   background_visible="true"
-   bg_alpha_color="DkGray2">
-	    	    <text
-		     type="string"
-		     length="1"
-		     follows="left|top"
-		     height="10"
-		     layout="topleft"
-		     left="5"
-             name="Name:"
-		     top="10"
-		     width="78">
-	        Name:
-	    </text>
-	    <line_editor
-		     border_style="line"
-		     border_thickness="1"
-	    	 follows="left|top|right"
-		     height="20"
-		     layout="topleft"
-	    	 left_delta="78"
-		     max_length_bytes="63"
-             name="Object Name"
-	    	 top_delta="0"
-		     width="225" />
-	    <text
-	    type="string"
-	    length="1"
-	    follows="left|top"
-	    height="10"
-	    layout="topleft"
-	    left="5"
-             name="Description:"
-	    top_pad="10"
-	    width="78">
-	        Description:
-	    </text>
-            <line_editor
-	     border_style="line"
-    	     border_thickness="1"
-             follows="left|top|right"
-             height="23"
-             layout="topleft"
-             name="Object Description"
-             select_on_focus="true"
-    		 left_delta="78"
-		     max_length_bytes="127"
-	    	 top_delta="-5"
-	    	 width="225"/>
-	    <text
-		     type="string"
-		     length="1"
-		     follows="left|top"
-		     height="23"
-		     layout="topleft"
-    		 left="5"
-		 name="CreatorNameLabel"
-		  top_pad="12"
-		     width="78">
-	        Creator:
-    	</text>
-	    <text
-		     type="string"
-     follows="left|right|top"
-     font="SansSerifSmall"
-     height="15"
-     layout="topleft"
-     left_pad="0"
-             name="Creator Name"
-		     top_delta="0"
-		     translate="false"
-         use_ellipses="true" 
-		     width="225">
-	        TestString PleaseIgnore
-	     </text>
-	    <text
-			 type="string"
-			 length="1"
-			 follows="left|top"
-			 height="23"
-			layout="topleft"
-			left="5"
-			name="Owner:"
-			top_pad="15"
-			 width="78">
-			    Owner:
-	     </text>
-	     <text
-			    type="string"
-			    follows="left|right|top"
-			    font="SansSerifSmall"
-			    height="15"
-			    layout="topleft"
-			    left_pad="0"
-			    name="Owner Name"
-			    top_delta="0"
-			    translate="false"
-          use_ellipses="true" 
-			    width="225">
-			    TestString PleaseIgnore
-	     </text>
-	    	    <text
-			 type="string"
-			 length="1"
-			 follows="left|top"
-			 height="23"
-			 layout="topleft"
-			 left="5"
-			name="Group_label"
-			top_pad="15"
-			width="78">
-			    Group:
-	     </text>
-      		<button
-			 follows="top|left"
-			 height="10"
-			 image_disabled="Activate_Checkmark"
-			 image_selected="Activate_Checkmark"
-			 image_unselected="Activate_Checkmark"
-			 image_color="White_50"
-			 layout="topleft"
-			 left_pad="0"
-			 top_delta="0"
-			 name="button set group"
-			 tab_stop="false"
-			 tool_tip="Choose a group to share this object's permissions"
-			 width="10" />
-            <name_box
-             follows="left|top"
-             height="18"
-             initial_value="Loading..."
-             layout="topleft"
-             left_pad="5"
-             top_delta="-1"
-             name="Group Name Proxy"
-             width="150" />
-            <button
-             follows="top|left"
-             height="23"
-             label="Deed"
-             label_selected="Deed"
-             layout="topleft"
-             name="button deed"
-             top_pad="0"
-             left="81"
-             tool_tip="Deeding gives this item away with next owner permissions. Group shared objects can be deeded by a group officer."
-             width="100" />
-            <text
-             type="string"
-             length="1"
-             follows="left|top"
-             height="9"
-             layout="topleft"
-             top_pad="5"
-             left="5"
-             name="label click action"
-             width="280">
-                Click to:
-            </text>
-            <combo_box
-             follows="left|top"
-             height="23"
-             layout="topleft"
-             name="clickaction"
-             width="168"
-             left="81">
-                <combo_box.item
-                 label="Touch  (default)"
-                 name="Touch/grab(default)"
+        follows="top|left"
+        height="10"
+        image_disabled="Activate_Checkmark"
+        image_selected="Activate_Checkmark"
+        image_unselected="Activate_Checkmark"
+        image_color="White_50"
+        layout="topleft"
+        left_pad="0"
+        top_delta="0"
+        name="button set group"
+        tab_stop="false"
+        tool_tip="Choose a group to share this object's permissions"
+        width="10" />
+    <name_box
+        follows="left|top"
+        height="18"
+        initial_value="Loading..."
+        layout="topleft"
+        left_pad="5"
+        top_delta="-1"
+        name="Group Name Proxy"
+        width="150" />
+    <button
+        follows="top|left"
+        height="23"
+        label="Deed"
+        label_selected="Deed"
+        layout="topleft"
+        name="button deed"
+        top_pad="0"
+        left="81"
+        tool_tip="Deeding gives this item away with next owner permissions. Group shared objects can be deeded by a group officer."
+        width="100" />
+    <text
+        type="string"
+        length="1"
+        follows="left|top"
+        height="9"
+        layout="topleft"
+        top_pad="5"
+        left="5"
+        name="label click action"
+        width="280">
+      Click to:
+    </text>
+    <combo_box
+        follows="left|top"
+        height="23"
+        layout="topleft"
+        name="clickaction"
+        width="168"
+        left="81">
+      <combo_box.item
+          label="Touch  (default)"
+          name="Touch/grab(default)"
           value="Touch" />
-                <combo_box.item
-                 label="Sit on object"
-                 name="Sitonobject"
+      <combo_box.item
+          label="Sit on object"
+          name="Sitonobject"
           value="Sit" />
-                <combo_box.item
-                 label="Buy object"
-                 name="Buyobject"
+      <combo_box.item
+          label="Buy object"
+          name="Buyobject"
           value="Buy" />
-                <combo_box.item
-                 label="Pay object"
-                 name="Payobject"
+      <combo_box.item
+          label="Pay object"
+          name="Payobject"
           value="Pay" />
-                <combo_box.item
-                 label="Open"
-                 name="Open"
-                 value="Open" />
-            </combo_box>
-	 <panel
-         border="false"
-         follows="left|top"
-         layout="topleft"
-         mouse_opaque="false"
-         background_visible="true"
-         bg_alpha_color="DkGray"
-         name="perms_inv"
-         left="0"
-         top_pad="15"
-         height="135"
-         width="313">
-	  <text
-             type="string"
-             length="1"
+      <combo_box.item
+          label="Open"
+          name="Open"
+          value="Open" />
+       <combo_box.item
+          label="Zoom"
+          name="Zoom"
+          value="Zoom" />
+    </combo_box>
+    <panel
+        border="false"
+        follows="left|top"
+        layout="topleft"
+        mouse_opaque="false"
+        background_visible="true"
+        bg_alpha_color="DkGray"
+        name="perms_inv"
+        left="0"
+        top_pad="15"
+        height="135"
+        width="313">
+      <text
+          type="string"
+          length="1"
           left="5"
-             top_pad="15"
-             text_color="EmphasisColor"
-	     height="15"
-             follows="left|top|right"
-             layout="topleft"
-             name="perm_modify"
-             width="310">
-                You can modify this object
-            </text>
-	  	    <text
-			 type="string"
-			 length="1"
-			 follows="left|top"
-			 height="16"
-			 layout="topleft"
-			 left="10"
-               name="Anyone can:"
-			 top_pad="8"
-			 width="100">
-			Anyone:
-	    </text>
-	    <check_box
-			 height="18"
-			 label="Copy"
-			 layout="topleft"
-			 left_pad="0"
-             name="checkbox allow everyone copy"
-			 top_delta="-2"
-			 width="90" />
-	    <check_box
-             height="18"
-             label="Move"
-             layout="topleft"
-             name="checkbox allow everyone move"
-			 left_pad="0"
-             width="150" />
-	       	<text
-			 type="string"
-			 length="1"
-			 follows="left|top"
-			 height="16"
-			 layout="topleft"
-			 left="10"
-			 name="GroupLabel"
-			 top_pad="8"
-			 width="100">
-			Group:
-    	</text>
-			    <check_box
-			 height="18"
-			 label="Share"
-			 layout="topleft"
-			 left_pad="90"
-			 top_delta="-2"
-             name="checkbox share with group"
-			 tool_tip="Allow all members of the set group to share your modify permissions for this object. You must Deed to enable role restrictions."
-			 width="150" />
-	    	    <text
-			 type="string"
-			 length="1"
-			 follows="left|top"
-			 height="16"
-			 layout="topleft"
-			 left="10"
-			 name="NextOwnerLabel"
-			 top_pad="8"
-			 width="200"
-			 word_wrap="true">
-			Next owner:
-	    </text>
-	    <check_box
-			 height="18"
-			 label="Modify"
-			 layout="topleft"
-			 left="20"
-			 top_pad="0"
-             name="checkbox next owner can modify"
-			 width="90" />
-	    <check_box
-			 height="18"
-			 label="Copy"
-			 layout="topleft"
-			 left_pad="0"
-             name="checkbox next owner can copy"
-			 width="90" />
-	    <check_box
-			 height="18"
-			 label="Transfer"
-			 layout="topleft"
-			 left_pad="0"
-             name="checkbox next owner can transfer"
-			 tool_tip="Next owner can give away or resell this object"
-			 width="106" />
-	    </panel>
-	    <check_box
-			 height="23"
-			 label="For Sale"
-			 layout="topleft"
-			 left="20"
-             name="checkbox for sale"
-			 top_pad="10"
-			 width="100" />
-		<combo_box
-			 height="23"
-			 left_pad="0"
-			 layout="topleft"
-			 follows="left|top"
-            name="sale type"
-			 width="170">
-        <combo_box.item
-           name="Copy"
-           label="Copy"
-           value="2" />
-        <combo_box.item
-           name="Contents"
-           label="Contents"
-           value="3" />
-        <combo_box.item
-           name="Original"
-           label="Original"
-           value="1" />
-	    </combo_box>
-		<spinner
+          top_pad="15"
+          text_color="EmphasisColor"
+          height="15"
+          follows="left|top|right"
+          layout="topleft"
+          name="perm_modify"
+          width="310">
+        You can modify this object
+      </text>
+      <text
+          type="string"
+          length="1"
+          follows="left|top"
+          height="16"
+          layout="topleft"
+          left="10"
+          name="Anyone can:"
+          top_pad="8"
+          width="100">
+        Anyone:
+      </text>
+      <check_box
+          height="18"
+          label="Copy"
+          layout="topleft"
+          left_pad="0"
+          name="checkbox allow everyone copy"
+          top_delta="-2"
+          width="90" />
+      <check_box
+          height="18"
+          label="Move"
+          layout="topleft"
+          name="checkbox allow everyone move"
+          left_pad="0"
+          width="150" />
+      <text
+          type="string"
+          length="1"
+          follows="left|top"
+          height="16"
+          layout="topleft"
+          left="10"
+          name="GroupLabel"
+          top_pad="8"
+          width="100">
+        Group:
+      </text>
+      <check_box
+          height="18"
+          label="Share"
+          layout="topleft"
+          left_pad="90"
+          top_delta="-2"
+          name="checkbox share with group"
+          tool_tip="Allow all members of the set group to share your modify permissions for this object. You must Deed to enable role restrictions."
+          width="150" />
+      <text
+          type="string"
+          length="1"
+          follows="left|top"
+          height="16"
+          layout="topleft"
+          left="10"
+          name="NextOwnerLabel"
+          top_pad="8"
+          width="200"
+          word_wrap="true">
+        Next owner:
+      </text>
+      <check_box
+          height="18"
+          label="Modify"
+          layout="topleft"
+          left="20"
+          top_pad="0"
+          name="checkbox next owner can modify"
+          width="90" />
+      <check_box
+          height="18"
+          label="Copy"
+          layout="topleft"
+          left_pad="0"
+          name="checkbox next owner can copy"
+          width="90" />
+      <check_box
+          height="18"
+          label="Transfer"
+          layout="topleft"
+          left_pad="0"
+          name="checkbox next owner can transfer"
+          tool_tip="Next owner can give away or resell this object"
+          width="106" />
+    </panel>
+    <check_box
+        height="23"
+        label="For Sale"
+        layout="topleft"
+        left="20"
+        name="checkbox for sale"
+        top_pad="10"
+        width="100" />
+    <combo_box
+        height="23"
+        left_pad="0"
+        layout="topleft"
+        follows="left|top"
+        name="sale type"
+        width="170">
+      <combo_box.item
+          name="Copy"
+          label="Copy"
+          value="2" />
+      <combo_box.item
+          name="Contents"
+          label="Contents"
+          value="3" />
+      <combo_box.item
+          name="Original"
+          label="Original"
+          value="1" />
+    </combo_box>
+    <spinner
         follows="left|top"
         decimal_digits="0"
         increment="1"
@@ -445,17 +449,17 @@
         min_val="1"
         height="20"
         max_val="999999999" />
-      <check_box
-	   height="20"
-	   width="110"
-	   top_pad="6"
-	   label="Show in search"
-       layout="topleft"
-	   left="120"
-       name="search_check"
-       tool_tip="Let people see this object in search results" />
-            <text
-             type="string"
+    <check_box
+        height="20"
+        width="110"
+        top_pad="6"
+        label="Show in search"
+        layout="topleft"
+        left="120"
+        name="search_check"
+        tool_tip="Let people see this object in search results" />
+    <text
+        type="string"
         follows="left|top"
         name="pathfinding_attributes_label"
         top_pad="6"
@@ -466,7 +470,7 @@
     <text
         type="string"
         follows="left|top"
-             text_color="EmphasisColor"
+        text_color="EmphasisColor"
         name="pathfinding_attributes_value"
         width="130"
         word_wrap="false"
@@ -475,120 +479,120 @@
     <text
         type="string"
         text_color="EmphasisColor"
-             length="1"
+        length="1"
         top_pad="10"
-             follows="left|top"
-             layout="topleft"
-             left="10"
-             name="B:"
-             height="10"
-             width="50">
-                B:
-            </text>
-            <text
-             type="string"
-             text_color="White"
-             length="1"
-             follows="left|top"
-             layout="topleft"
-             left_pad="0"
-             name="O:"
-             height="10"
-             width="50">
-                O:
-            </text>
-            <text
-             type="string"
-             text_color="EmphasisColor"
-             length="1"
-             follows="left|top"
-             layout="topleft"
-             left_pad="0"
-             name="G:"
-             height="10"
-             width="50">
-                G:
-            </text>
-            <text
-             type="string"
-             text_color="White"
-             length="1"
-             follows="left|top"
-             left_pad="0"
-             layout="topleft"
-             name="E:"
-             height="10"
-             width="50">
-                E:
-            </text>
-            <text
-             type="string"
-             text_color="EmphasisColor"
-             length="1"
-             follows="left|top"
-             layout="topleft"
-             left_pad="0"
-             name="N:"
-             height="10"
-             width="50">
-                N:
-            </text>
-            <text
-             type="string"
-             text_color="White"
-             length="1"
-             follows="left|top"
-             layout="topleft"
-             left_pad="0"
-             name="F:"
-             height="10"
-             width="50">
-                F:
-            </text>
-		</panel>
-    <panel
-		 height="25"
-		 layout="bottomright"
-		 name="button_panel"
-		 left="5"
-		 bottom="5"
-		 width="313">
-        <button
-		     follows="bottom|left"
-		     height="23"
-		     label="Open"
-		     layout="topleft"
-		     left="5"
-		     name="open_btn"
-		     top="0"
-		     width="73" />
-	    <button
-		     follows="bottom|left"
-		     height="23"
-		     label="Pay"
-		     layout="topleft"
-		     left_pad="5"
-		     name="pay_btn"
-		     top="0"
-		     width="73" />
-	    <button
-		     follows="bottom|left"
-		     height="23"
-		     label="Buy"
-		     layout="topleft"
-		     left_pad="5"
-		     name="buy_btn"
-		     top="0"
-		     width="73" />
-        <button
-		     follows="bottom|left"
-		     height="23"
-		     label="Details"
-		     layout="topleft"
-		     left_pad="5"
-		     name="details_btn"
-		     top="0"
-		     width="74" />
+        follows="left|top"
+        layout="topleft"
+        left="10"
+        name="B:"
+        height="10"
+        width="50">
+      B:
+    </text>
+    <text
+        type="string"
+        text_color="White"
+        length="1"
+        follows="left|top"
+        layout="topleft"
+        left_pad="0"
+        name="O:"
+        height="10"
+        width="50">
+      O:
+    </text>
+    <text
+        type="string"
+        text_color="EmphasisColor"
+        length="1"
+        follows="left|top"
+        layout="topleft"
+        left_pad="0"
+        name="G:"
+        height="10"
+        width="50">
+      G:
+    </text>
+    <text
+        type="string"
+        text_color="White"
+        length="1"
+        follows="left|top"
+        left_pad="0"
+        layout="topleft"
+        name="E:"
+        height="10"
+        width="50">
+      E:
+    </text>
+    <text
+        type="string"
+        text_color="EmphasisColor"
+        length="1"
+        follows="left|top"
+        layout="topleft"
+        left_pad="0"
+        name="N:"
+        height="10"
+        width="50">
+      N:
+    </text>
+    <text
+        type="string"
+        text_color="White"
+        length="1"
+        follows="left|top"
+        layout="topleft"
+        left_pad="0"
+        name="F:"
+        height="10"
+        width="50">
+      F:
+    </text>
+  </panel>
+  <panel
+      height="25"
+      layout="bottomright"
+      name="button_panel"
+      left="5"
+      bottom="5"
+      width="313">
+    <button
+        follows="bottom|left"
+        height="23"
+        label="Open"
+        layout="topleft"
+        left="5"
+        name="open_btn"
+        top="0"
+        width="73" />
+    <button
+        follows="bottom|left"
+        height="23"
+        label="Pay"
+        layout="topleft"
+        left_pad="5"
+        name="pay_btn"
+        top="0"
+        width="73" />
+    <button
+        follows="bottom|left"
+        height="23"
+        label="Buy"
+        layout="topleft"
+        left_pad="5"
+        name="buy_btn"
+        top="0"
+        width="73" />
+    <button
+        follows="bottom|left"
+        height="23"
+        label="Details"
+        layout="topleft"
+        left_pad="5"
+        name="details_btn"
+        top="0"
+        width="74" />
 
-	</panel>
+  </panel>
 </panel>
diff --git a/indra/newview/skins/default/xui/en/strings.xml b/indra/newview/skins/default/xui/en/strings.xml
index 2157a05bbf..18d1854f67 100644
--- a/indra/newview/skins/default/xui/en/strings.xml
+++ b/indra/newview/skins/default/xui/en/strings.xml
@@ -1447,7 +1447,7 @@ integer llScriptDanger(vector pos)
 Returns TRUE if pos is over public land, sandbox land, land that doesn&apos;t allow everyone to edit and build, or land that doesn&apos;t allow outside scripts
 	</string>
 	<string name="LSLTipText_llDialog" translate="false">
-llDialog(key avatar, string message, list buttons, integer chat_channel
+llDialog(key avatar, string message, list buttons, integer chat_channel)
 Shows a dialog box on the avatar&apos;s screen with a message and up to 12 buttons.
 If a button is pressed, the avatar says the text of the button label on chat_channel.
 	</string>
diff --git a/indra/newview/skins/default/xui/es/floater_lagmeter.xml b/indra/newview/skins/default/xui/es/floater_lagmeter.xml
deleted file mode 100644
index 227689a194..0000000000
--- a/indra/newview/skins/default/xui/es/floater_lagmeter.xml
+++ /dev/null
@@ -1,154 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="MEDIDOR DEL LAG">
-	<floater.string name="max_title_msg">
-		Medidor del lag
-	</floater.string>
-	<floater.string name="max_width_px">
-		360
-	</floater.string>
-	<floater.string name="min_title_msg">
-		Lag
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		Cliente
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		Normal, ventana en segundo plano
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		Frames del cliente valorados por debajo de [CLIENT_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		Frames del cliente valorados entre [CLIENT_FRAME_RATE_CRITICAL] y [CLIENT_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		Posible causa: distancia de dibujo fijada muy alta
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		Posible causa: imágenes cargándose
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		Posible causa: demasiadas imágenes en la memoria
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		Posible causa: demasiados objetos complejos en la escena
-	</floater.string>
-	<floater.string name="network_text_msg">
-		Red
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		La conexión deja caer más del [NETWORK_PACKET_LOSS_CRITICAL]% de los paquetes
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		La conexión deja caer [NETWORK_PACKET_LOSS_WARNING]%-[NETWORK_PACKET_LOSS_CRITICAL]% de los paquetes
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		El tiempo de conexión -ping- supera los [NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		El tiempo de conexión -ping- es de [NETWORK_PING_WARNING]-[NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		Quizá una mala conexión o un ancho de banda fijado demasiado alto.
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		Quizá una mala conexión o una aplicación de archivos compartidos.
-	</floater.string>
-	<floater.string name="server_text_msg">
-		Servidor
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		Frecuencia (framerate) por debajo de [SERVER_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		Frecuencia (framerate) entre [SERVER_FRAME_RATE_CRITICAL] y [SERVER_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		Posible causa: demasiados objetos físicos
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		Posible causa: demasiados objetos con script
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		Posible causa: demasiado tráfico en la red
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		Posible causa: demasiada gente moviéndose en la región
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		Posible causa: demasiados cálculos de imáganes
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		Posible causa: carga del simulador muy pesada
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button label="" label_selected="" name="client_lagmeter" tool_tip="Estado del lag del cliente"/>
-	<text name="client">
-		Cliente
-	</text>
-	<text font="SansSerifSmall" name="client_text">
-		Normal
-	</text>
-	<text left="30" name="client_lag_cause" right="-10"/>
-	<button label="" label_selected="" name="network_lagmeter" tool_tip="Estado del lag de la red"/>
-	<text name="network">
-		Red
-	</text>
-	<text font="SansSerifSmall" name="network_text">
-		Normal
-	</text>
-	<text left="30" name="network_lag_cause" right="-10"/>
-	<button label="" label_selected="" name="server_lagmeter" tool_tip="Estado del lag del servidor"/>
-	<text name="server">
-		Servidor
-	</text>
-	<text font="SansSerifSmall" name="server_text">
-		Normal
-	</text>
-	<text left="30" name="server_lag_cause" right="-32"/>
-	<button label="&gt;&gt;" name="minimize" tool_tip="Cambia el tamaño de la ventana"/>
-</floater>
diff --git a/indra/newview/skins/default/xui/fr/floater_lagmeter.xml b/indra/newview/skins/default/xui/fr/floater_lagmeter.xml
deleted file mode 100644
index 39a861d8bd..0000000000
--- a/indra/newview/skins/default/xui/fr/floater_lagmeter.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="MESURE DU LAG">
-	<floater.string name="max_title_msg">
-		Mesure du lag
-	</floater.string>
-	<floater.string name="max_width_px">
-		360
-	</floater.string>
-	<floater.string name="min_title_msg">
-		Lag
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		Client
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		Normal, fenêtre en arrière-plan
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		Taux de défilement [CLIENT_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		Taux de défilement entre [CLIENT_FRAME_RATE_CRITICAL] et [CLIENT_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		Cause possible : limite d&apos;affichage trop élevée
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		Cause possible : images en cours de chargement
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		Cause possible : trop d&apos;images en mémoire
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		Cause possible : trop d&apos;objets complexes
-	</floater.string>
-	<floater.string name="network_text_msg">
-		Réseau
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		La connexion perd plus de [NETWORK_PACKET_LOSS_CRITICAL] % de paquets
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		La connexion perd entre [NETWORK_PACKET_LOSS_WARNING] % et [NETWORK_PACKET_LOSS_CRITICAL] % de paquets
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		Connexion ping > [NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		Connexion ping entre [NETWORK_PING_WARNING] et [NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		Mauvaise connexion possible ou réglage de la bande passante trop élevé.
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		Mauvaise connexion possible ou app. de partage des fichiers
-	</floater.string>
-	<floater.string name="server_text_msg">
-		Serveur
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		Défilement du simulateur &lt; [SERVER_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		Défilement simulateur entre [SERVER_FRAME_RATE_CRITICAL] et [SERVER_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		Cause possible : trop d&apos;objets physiques
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		Cause possible : trop d&apos;objets scriptés
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		Cause possible : trop de trafic réseau
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		Cause possible : trop de personnes en mouvement
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		Cause possible : trop de calculs d&apos;images
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		Cause possible : charge simulateur trop lourde
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button name="client_lagmeter" tool_tip="Statut du lag client"/>
-	<text name="client">
-		Client
-	</text>
-	<text name="client_text">
-		Normal
-	</text>
-	<button name="network_lagmeter" tool_tip="Statut du lag réseau"/>
-	<text name="network">
-		Réseau
-	</text>
-	<text name="network_text">
-		Normal
-	</text>
-	<button name="server_lagmeter" tool_tip="Statut du lag serveur"/>
-	<text name="server">
-		Serveur
-	</text>
-	<text name="server_text">
-		Normal
-	</text>
-	<button label="&gt;&gt;" name="minimize" tool_tip="Activer/désactiver la taille du floater"/>
-</floater>
diff --git a/indra/newview/skins/default/xui/it/floater_lagmeter.xml b/indra/newview/skins/default/xui/it/floater_lagmeter.xml
deleted file mode 100644
index f7b2b1ab4a..0000000000
--- a/indra/newview/skins/default/xui/it/floater_lagmeter.xml
+++ /dev/null
@@ -1,154 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="MISURATORE LAG">
-	<floater.string name="max_title_msg">
-		Misuratore del lag
-	</floater.string>
-	<floater.string name="max_width_px">
-		360
-	</floater.string>
-	<floater.string name="min_title_msg">
-		Lag
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		Programma in locale
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		Normale, finestra sullo sfondo
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		Velocità dei frame al di sotto di [CLIENT_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		Velocità dei frame tra [CLIENT_FRAME_RATE_CRITICAL] e [CLIENT_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		Normale
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		Possibile causa: Campo visivo impostato troppo alto
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		Possibile causa: Caricamento immagini
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		Possibile causa: Troppe immagini in memoria
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		Possibile causa: Troppi oggetti complessi intorno
-	</floater.string>
-	<floater.string name="network_text_msg">
-		Network
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		La connessione sta calando al di sotto del [NETWORK_PACKET_LOSS_CRITICAL]% di pacchetti
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		La connessione sta calando tra il [NETWORK_PACKET_LOSS_WARNING]% e il [NETWORK_PACKET_LOSS_CRITICAL]% di pacchetti
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		Normale
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		Il tempo di ping della connessione è al di sopra di [NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		Il tempo di ping della connessione è tra [NETWORK_PING_WARNING]-[NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		Possibile cattiva connessione o la larghezza di banda impostata nelle preferenze troppo alta.
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		Possibile cattiva connessione o l&apos;apertura di un programma di scambio files.
-	</floater.string>
-	<floater.string name="server_text_msg">
-		Server
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		Velocità dei frame al di sotto di [SERVER_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		Velocità dei frame tra [SERVER_FRAME_RATE_CRITICAL] e [SERVER_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		Normale
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		Possibile causa: troppi oggetti fisici
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		Possibile causa: troppi oggetti scriptati
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		Possibile causa: eccessivo traffico sulla rete
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		Possibile causa: troppi residenti in movimento nella regione
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		Possibile causa: troppe elaborazioni di immagini
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		Possibile causa: carico eccessivo del simulatore
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button label="" label_selected="" name="client_lagmeter" tool_tip="Stato del lag del programma in locale"/>
-	<text name="client">
-		Client
-	</text>
-	<text font="SansSerifSmall" left="145" name="client_text">
-		Normale
-	</text>
-	<text left="30" name="client_lag_cause" right="-10"/>
-	<button label="" label_selected="" name="network_lagmeter" tool_tip="Stato del lag del network"/>
-	<text name="network">
-		Rete
-	</text>
-	<text font="SansSerifSmall" name="network_text">
-		Normale
-	</text>
-	<text left="30" name="network_lag_cause" right="-10"/>
-	<button label="" label_selected="" name="server_lagmeter" tool_tip="Stato del lag del server"/>
-	<text name="server">
-		Server
-	</text>
-	<text font="SansSerifSmall" name="server_text">
-		Normale
-	</text>
-	<text left="30" name="server_lag_cause" right="-32"/>
-	<button label="&gt;&gt;" name="minimize" tool_tip="Cambia dimensioni floater"/>
-</floater>
diff --git a/indra/newview/skins/default/xui/ja/floater_lagmeter.xml b/indra/newview/skins/default/xui/ja/floater_lagmeter.xml
deleted file mode 100644
index e3546cd837..0000000000
--- a/indra/newview/skins/default/xui/ja/floater_lagmeter.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="ラグメーター">
-	<floater.string name="max_title_msg">
-		ラグ メーター
-	</floater.string>
-	<floater.string name="max_width_px">
-		350
-	</floater.string>
-	<floater.string name="min_title_msg">
-		ラグ
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		クライアント
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		ノーマル、ウィンドウは背景に
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		クライアント フレームレート ＜ [CLIENT_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		クライアント フレームレート: [CLIENT_FRAME_RATE_CRITICAL] ～ [CLIENT_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		ノーマル
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		考えられる原因: 描画距離の設定が大きすぎる
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		考えられる原因: 画像のロード中
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		考えられる原因: メモリ内の画像数が多すぎる
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		考えられる原因: 画面に含まれる複雑なオブジェクトが多すぎる
-	</floater.string>
-	<floater.string name="network_text_msg">
-		ネットワーク
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		接続でドロップされるパケットの割合: ＞ [NETWORK_PACKET_LOSS_CRITICAL]
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		接続でドロップされるパケットの割合:[NETWORK_PACKET_LOSS_WARNING] ～ [NETWORK_PACKET_LOSS_CRITICAL]
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		ノーマル
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		接続の ping 時間: ＞ [NETWORK_PING_CRITICAL] ミリ秒
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		接続の ping 時間: [NETWORK_PING_WARNING] ～ [NETWORK_PING_CRITICAL] ミリ秒
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		接続不良になっているか、帯域幅設定が高すぎます。
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		接続不良になっているか、ファイル共有アプリケーションに問題があります。
-	</floater.string>
-	<floater.string name="server_text_msg">
-		サーバー
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		シミュレーターのフレームレート: ＜ [SERVER_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		シミュレーターのフレームレート: [SERVER_FRAME_RATE_CRITICAL] ～ [SERVER_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		ノーマル
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		考えられる原因: 物理的オブジェクトが多すぎる
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		考えられる原因: スクリプトを含むオブジェクトが多すぎる
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		考えられる原因: ネットワーク トラフィック過大
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		考えられる原因: 地域内にて動いているアバターが多すぎる
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		考えられる原因: 画像計算が多すぎる
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		考えられる原因: シミュレーターの過負荷
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button name="client_lagmeter" tool_tip="クライアント ラグ ステータス"/>
-	<text name="client">
-		クライアント
-	</text>
-	<text name="client_text">
-		ノーマル
-	</text>
-	<button name="network_lagmeter" tool_tip="ネットワーク ラグ ステータス"/>
-	<text name="network">
-		ネットワーク
-	</text>
-	<text name="network_text">
-		ノーマル
-	</text>
-	<button name="server_lagmeter" tool_tip="サーバー ラグ ステータス"/>
-	<text name="server">
-		サーバー
-	</text>
-	<text name="server_text">
-		ノーマル
-	</text>
-	<button label="&gt;&gt; " name="minimize" tool_tip="フローターのサイズをトグル"/>
-</floater>
diff --git a/indra/newview/skins/default/xui/pl/floater_lagmeter.xml b/indra/newview/skins/default/xui/pl/floater_lagmeter.xml
deleted file mode 100644
index 8038550bcb..0000000000
--- a/indra/newview/skins/default/xui/pl/floater_lagmeter.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="POMIAR LAGÓW">
-	<floater.string name="max_title_msg">
-		Pomiar lagów
-	</floater.string>
-	<floater.string name="max_width_px">
-		360
-	</floater.string>
-	<floater.string name="min_title_msg">
-		Lag
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		Klient
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		W normie, okno w tle
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		Ilość klatek na sekundę klienta poniżej [CLIENT_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		Ilość klatek na sekundę pomiędzy [CLIENT_FRAME_RATE_CRITICAL] i [CLIENT_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		W normie
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		Przyczyna: dystans rysowania jest za wysoki
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		Przyczyna: ładowanie obrazu
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		Przyczyna: za dużo obrazów w pamięci
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		Przyczyna: za dużo złożonych obiektów
-	</floater.string>
-	<floater.string name="network_text_msg">
-		Sieć
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		Utrata pakietów przekracza [NETWORK_PACKET_LOSS_CRITICAL]%
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		Utrata pakietów przekracza [NETWORK_PACKET_LOSS_WARNING]%-[NETWORK_PACKET_LOSS_CRITICAL]%
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		W normie
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		Fatalny ping - [NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		Wolny ping - [NETWORK_PING_WARNING]-[NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		Złe połączenie lub przepustowość.
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		Złe połączenie lub aplikacja współdzieląca pliki.
-	</floater.string>
-	<floater.string name="server_text_msg">
-		Serwer
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		Ilość klatek na sekundę poniżej [SERVER_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		Ilość klatek na sekundę pomiędzy [SERVER_FRAME_RATE_CRITICAL] i [SERVER_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		W normie
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		Przyczyna: za dużo obiektów fizycznych
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		Przyczyna: za dużo obieków skryptowanych
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		Przyczyna: za duży ruch w sieci
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		Przyczyna: za dużo poruszających się awatarów w regionie
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		Przyczyna: za dużo kalkulacji obrazu
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		Przyczyna: symulator ładuje się zbyt powoli
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button label="" label_selected="" name="client_lagmeter" tool_tip="Status lagów klienta"/>
-	<text name="client">
-		Klient
-	</text>
-	<text name="client_text">
-		W normie
-	</text>
-	<button label="" label_selected="" name="network_lagmeter" tool_tip="Network lag status"/>
-	<text name="network">
-		Sieć
-	</text>
-	<text name="network_text">
-		W normie
-	</text>
-	<button label="" label_selected="" name="server_lagmeter" tool_tip="Server lag status"/>
-	<text name="server">
-		Serwer
-	</text>
-	<text name="server_text">
-		W normie
-	</text>
-	<button label="&gt;&gt;" name="minimize" tool_tip="Złącz rozmiar pliku xml"/>
-</floater>
diff --git a/indra/newview/skins/default/xui/pt/floater_lagmeter.xml b/indra/newview/skins/default/xui/pt/floater_lagmeter.xml
deleted file mode 100644
index 9932318293..0000000000
--- a/indra/newview/skins/default/xui/pt/floater_lagmeter.xml
+++ /dev/null
@@ -1,154 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="LAG - Índice">
-	<floater.string name="max_title_msg">
-		Medidor de Atraso
-	</floater.string>
-	<floater.string name="max_width_px">
-		360
-	</floater.string>
-	<floater.string name="min_title_msg">
-		Atraso
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		Cliente
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		Normal, janela por baixo
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		Taxa de quadros do Cliente abaixo de [CLIENT_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		Taxa de quadros do Cliente entre [CLIENT_FRAME_RATE_CRITICAL] e [CLIENT_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		Causa possível: Distância de desenho ajustada muito alta
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		Causa possível: Carregamento de Imagens
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		Causa possível: Muitas imagens na memória
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		Causa possível: Muitos objetos complexos na cena
-	</floater.string>
-	<floater.string name="network_text_msg">
-		Rede
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		Conexão está caindo para cerca de [NETWORK_PACKET_LOSS_CRITICAL]% de pacotes
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		Conexão está caindo [NETWORK_PACKET_LOSS_WARNING]%-[NETWORK_PACKET_LOSS_CRITICAL]% de pacotes
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		Tempo de conexão de ping é cerca de  [NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		Tempo de conexão de ping é [NETWORK_PING_WARNING]-[NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		Possível conexão ruim ou &apos;Largura de Banda&apos; escolhida muito alta.
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		Possível conexão ruim ou aplicativos compartilhando arquivos.
-	</floater.string>
-	<floater.string name="server_text_msg">
-		Servidor
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		Taxa de quadros abaixo de [SERVER_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		Taxa de quadros entre [SERVER_FRAME_RATE_CRITICAL] e [SERVER_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		Causa possível: Muitos objetos físicos
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		Causa possível: Muitos objetos com scripts
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		Causa possível: Muito tráfego na rede
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		Causa possível: Muitas pessoas se movendo na região
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		Causa possível: Muitos cálculos de imagem
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		Causa possível: Carga no simulador muito pesada
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button label="" label_selected="" name="client_lagmeter" tool_tip="Status de atraso no Cliente"/>
-	<text name="client">
-		Cliente
-	</text>
-	<text font="SansSerifSmall" name="client_text">
-		Normal
-	</text>
-	<text left="30" name="client_lag_cause" right="-10"/>
-	<button label="" label_selected="" name="network_lagmeter" tool_tip="Status de atraso na rede"/>
-	<text name="network">
-		Rede
-	</text>
-	<text font="SansSerifSmall" name="network_text">
-		Normal
-	</text>
-	<text left="30" name="network_lag_cause" right="-10"/>
-	<button label="" label_selected="" name="server_lagmeter" tool_tip="Status de atraso no servidor"/>
-	<text name="server">
-		Servidor
-	</text>
-	<text font="SansSerifSmall" name="server_text">
-		Normal
-	</text>
-	<text left="30" name="server_lag_cause" right="-32"/>
-	<button label="&gt;&gt;" name="minimize" tool_tip="Alternar o tamanho da janela"/>
-</floater>
diff --git a/indra/newview/skins/default/xui/ru/floater_lagmeter.xml b/indra/newview/skins/default/xui/ru/floater_lagmeter.xml
deleted file mode 100644
index c420006a03..0000000000
--- a/indra/newview/skins/default/xui/ru/floater_lagmeter.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="УРОВЕНЬ ЛАГОВ">
-	<floater.string name="max_title_msg">
-		Уровень лагов
-	</floater.string>
-	<floater.string name="max_width_px">
-		360
-	</floater.string>
-	<floater.string name="min_title_msg">
-		Лаг
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		Клиент
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		Нормально, окно в фоне
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		Частота кадров клиента ниже [CLIENT_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		Частота кадров клиента от [CLIENT_FRAME_RATE_CRITICAL] до [CLIENT_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		Нормально
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		Возможная причина: дальность отрисовки слишком велика
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		Возможная причина: загрузка изображений
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		Возможная причина: слишком много изображений в памяти
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		Возможная причина: слишком много сложных объектов в сцене
-	</floater.string>
-	<floater.string name="network_text_msg">
-		Сеть
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		Сеть теряет более [NETWORK_PACKET_LOSS_CRITICAL]% пакетов
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		Сеть теряет [NETWORK_PACKET_LOSS_WARNING]–[NETWORK_PACKET_LOSS_CRITICAL]% пакетов
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		Нормально
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		Пинг соединения более [NETWORK_PING_CRITICAL] мс
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		Пинг соединения [NETWORK_PING_WARNING]–[NETWORK_PING_CRITICAL] мс
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		Возможно, плохое соединение, или параметр «Ширина канала» слишком велик.
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		Возможно, плохое соединение или есть работающие файлообменные программы.
-	</floater.string>
-	<floater.string name="server_text_msg">
-		Сервер
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		Частота кадров сервера ниже [SERVER_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		Частота кадров сервера [SERVER_FRAME_RATE_CRITICAL]–[SERVER_FRAME_RATE_WARNING]
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		Нормально
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		Возможная причина: слишком много физических объектов
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		Возможная причина: слишком много скриптовых объектов
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		Возможная причина: слишком большой сетевой трафик
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		Возможная причина: слишком много людей в регионе
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		Возможная причина: слишком много изображений
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		Возможная причина: сервер сильно загружен
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button name="client_lagmeter" tool_tip="Уровень лагов клиента"/>
-	<text name="client">
-		Клиент
-	</text>
-	<text name="client_text">
-		Нормально
-	</text>
-	<button name="network_lagmeter" tool_tip="Уровень лагов сети"/>
-	<text name="network">
-		Сеть
-	</text>
-	<text name="network_text">
-		Нормально
-	</text>
-	<button name="server_lagmeter" tool_tip="Уровень лагов сервера"/>
-	<text name="server">
-		Сервер
-	</text>
-	<text name="server_text">
-		Нормально
-	</text>
-	<button label="&gt;&gt;" name="minimize" tool_tip="Переключение размера"/>
-</floater>
diff --git a/indra/newview/skins/default/xui/tr/floater_lagmeter.xml b/indra/newview/skins/default/xui/tr/floater_lagmeter.xml
deleted file mode 100644
index 736c50be90..0000000000
--- a/indra/newview/skins/default/xui/tr/floater_lagmeter.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="GECİKME ÖLÇER">
-	<floater.string name="max_title_msg">
-		Gecikme Ölçer
-	</floater.string>
-	<floater.string name="max_width_px">
-		360
-	</floater.string>
-	<floater.string name="min_title_msg">
-		Gecikme
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		İstemci
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		Normal, pencere alt zeminde
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		İstemci kare hızı [CLIENT_FRAME_RATE_CRITICAL] altında
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		İstemci kare hızı [CLIENT_FRAME_RATE_CRITICAL] ile [CLIENT_FRAME_RATE_WARNING] arasınad
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		Muhtemel neden: Çizme mesafesi çok yüksek
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		Muhtemel neden: Görüntüler yükleniyor
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		Muhtemel neden: Bellekte çok fazla görüntü
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		Muhtemel neden: Sahnede çok fazla karmaşık nesne
-	</floater.string>
-	<floater.string name="network_text_msg">
-		Ağ
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		Bağlantı paketlerin % [NETWORK_PACKET_LOSS_CRITICAL]&apos;sinden fazlasını bırakıyor
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		Bağlantı paketlerin % [NETWORK_PACKET_LOSS_WARNING]%-[NETWORK_PACKET_LOSS_CRITICAL]&apos;sini bırakıyor
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		Bağlantı ping süresi [NETWORK_PING_CRITICAL] ms.den fazla
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		Bağlantı ping süresi [NETWORK_PING_WARNING]-[NETWORK_PING_CRITICAL] ms
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		Muhtemel yetersiz bağlantı veya &apos;Bant Genişliği&apos; tercihi çok yüksek.
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		Muhtemel yetersiz bağlantı veya dosya paylaşım uygulaması.
-	</floater.string>
-	<floater.string name="server_text_msg">
-		Sunucu
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		Simülatör kare hızı [SERVER_FRAME_RATE_CRITICAL] altında
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		Simülatör kare hızı [SERVER_FRAME_RATE_CRITICAL] ve [SERVER_FRAME_RATE_WARNING] arasında
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		Normal
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		Muhtemel Neden: Çok fazla fiziki nesne
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		Muhtemel Neden: Çok fazla komut dosyalı nesne
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		Muhtemel Neden: Çok fazla ağ trafiği
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		Muhtemel Neden: Bölgede hareket eden çok fazla insan var
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		Muhtemel Neden: Çok fazla görüntü hesabı
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		Muhtemel Neden: Simülatör yükü çok ağır
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button name="client_lagmeter" tool_tip="İstemci gecikme durumu"/>
-	<text name="client">
-		İstemci
-	</text>
-	<text name="client_text">
-		Normal
-	</text>
-	<button name="network_lagmeter" tool_tip="Ağ gecikme durumu"/>
-	<text name="network">
-		Ağ
-	</text>
-	<text name="network_text">
-		Normal
-	</text>
-	<button name="server_lagmeter" tool_tip="Sunucu gecikme durumu"/>
-	<text name="server">
-		Sunucu
-	</text>
-	<text name="server_text">
-		Normal
-	</text>
-	<button label="&gt;&gt;" name="minimize" tool_tip="Gezdirici büyüklüğünü değiştir"/>
-</floater>
diff --git a/indra/newview/skins/default/xui/zh/floater_lagmeter.xml b/indra/newview/skins/default/xui/zh/floater_lagmeter.xml
deleted file mode 100644
index e9a082288a..0000000000
--- a/indra/newview/skins/default/xui/zh/floater_lagmeter.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="floater_lagmeter" title="LAG 測量器">
-	<floater.string name="max_title_msg">
-		Lag 測量器
-	</floater.string>
-	<floater.string name="max_width_px">
-		360
-	</floater.string>
-	<floater.string name="min_title_msg">
-		延遲
-	</floater.string>
-	<floater.string name="min_width_px">
-		90
-	</floater.string>
-	<floater.string name="client_text_msg">
-		客戶端
-	</floater.string>
-	<floater.string name="client_frame_rate_critical_fps">
-		10
-	</floater.string>
-	<floater.string name="client_frame_rate_warning_fps">
-		15
-	</floater.string>
-	<floater.string name="client_frame_time_window_bg_msg">
-		正常，視窗位於背景
-	</floater.string>
-	<floater.string name="client_frame_time_critical_msg">
-		客戶端幀率低於 [CLIENT_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="client_frame_time_warning_msg">
-		客戶端幀率介於 [CLIENT_FRAME_RATE_CRITICAL] 和 [CLIENT_FRAME_RATE_WARNING] 之間
-	</floater.string>
-	<floater.string name="client_frame_time_normal_msg">
-		正常
-	</floater.string>
-	<floater.string name="client_draw_distance_cause_msg">
-		可能原因：可視距離設得太遠
-	</floater.string>
-	<floater.string name="client_texture_loading_cause_msg">
-		可能原因：正在載入圖像
-	</floater.string>
-	<floater.string name="client_texture_memory_cause_msg">
-		可能原因：記憶體裡圖像太多
-	</floater.string>
-	<floater.string name="client_complex_objects_cause_msg">
-		可能原因：場景內複雜物件太多
-	</floater.string>
-	<floater.string name="network_text_msg">
-		網路
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_pct">
-		10
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_pct">
-		5
-	</floater.string>
-	<floater.string name="network_packet_loss_critical_msg">
-		這次連通丟失了至少 [NETWORK_PACKET_LOSS_CRITICAL]% 的封包
-	</floater.string>
-	<floater.string name="network_packet_loss_warning_msg">
-		這次連通丟失了 [NETWORK_PACKET_LOSS_WARNING]%-[NETWORK_PACKET_LOSS_CRITICAL]% 的封包
-	</floater.string>
-	<floater.string name="network_performance_normal_msg">
-		正常
-	</floater.string>
-	<floater.string name="network_ping_critical_ms">
-		600
-	</floater.string>
-	<floater.string name="network_ping_warning_ms">
-		300
-	</floater.string>
-	<floater.string name="network_ping_critical_msg">
-		探測連通回應時間超過 [NETWORK_PING_CRITICAL] 毫秒
-	</floater.string>
-	<floater.string name="network_ping_warning_msg">
-		探測連通回應時間為 [NETWORK_PING_WARNING]-[NETWORK_PING_CRITICAL] 毫秒
-	</floater.string>
-	<floater.string name="network_packet_loss_cause_msg">
-		可能連通不良，或所設的偏好連通頻寬過高。
-	</floater.string>
-	<floater.string name="network_ping_cause_msg">
-		可能連通不良，或使用檔案分享應用程式。
-	</floater.string>
-	<floater.string name="server_text_msg">
-		伺服器
-	</floater.string>
-	<floater.string name="server_frame_rate_critical_fps">
-		20
-	</floater.string>
-	<floater.string name="server_frame_rate_warning_fps">
-		30
-	</floater.string>
-	<floater.string name="server_single_process_max_time_ms">
-		20
-	</floater.string>
-	<floater.string name="server_frame_time_critical_msg">
-		模擬器 framerate 低於 [SERVER_FRAME_RATE_CRITICAL]
-	</floater.string>
-	<floater.string name="server_frame_time_warning_msg">
-		模擬器 framerate 介於 [SERVER_FRAME_RATE_CRITICAL] 與 [SERVER_FRAME_RATE_WARNING]　之間
-	</floater.string>
-	<floater.string name="server_frame_time_normal_msg">
-		正常
-	</floater.string>
-	<floater.string name="server_physics_cause_msg">
-		可能原因：太多物理物件
-	</floater.string>
-	<floater.string name="server_scripts_cause_msg">
-		可能原因：太多腳本物件
-	</floater.string>
-	<floater.string name="server_net_cause_msg">
-		可能原因：太多網路流量
-	</floater.string>
-	<floater.string name="server_agent_cause_msg">
-		可能原因：地區有太多移動的人
-	</floater.string>
-	<floater.string name="server_images_cause_msg">
-		可能原因：太多圖像計算
-	</floater.string>
-	<floater.string name="server_generic_cause_msg">
-		可能原因：模擬器負載過重
-	</floater.string>
-	<floater.string name="smaller_label">
-		&gt;&gt;
-	</floater.string>
-	<floater.string name="bigger_label">
-		&lt;&lt;
-	</floater.string>
-	<button name="client_lagmeter" tool_tip="客戶端 lag 狀態"/>
-	<text name="client">
-		客戶端
-	</text>
-	<text name="client_text">
-		正常
-	</text>
-	<button name="network_lagmeter" tool_tip="網路 lag 狀態"/>
-	<text name="network">
-		網路
-	</text>
-	<text name="network_text">
-		正常
-	</text>
-	<button name="server_lagmeter" tool_tip="伺服器 lag 狀態"/>
-	<text name="server">
-		伺服器
-	</text>
-	<text name="server_text">
-		正常
-	</text>
-	<button label="&gt;&gt;" name="minimize" tool_tip="切換浮動視窗尺寸"/>
-</floater>
diff --git a/indra/newview/tests/llviewerassetstats_test.cpp b/indra/newview/tests/llviewerassetstats_test.cpp
index f8923b9868..ecdd78a1da 100644
--- a/indra/newview/tests/llviewerassetstats_test.cpp
+++ b/indra/newview/tests/llviewerassetstats_test.cpp
@@ -37,6 +37,11 @@
 #include "llregionhandle.h"
 #include "../llvoavatar.h"
 
+namespace LLStatViewer
+{
+	LLTrace::Measurement<>		FPS_SAMPLE("fpssample");
+}
+
 void LLVOAvatar::getNearbyRezzedStats(std::vector<S32>& counts)
 {
 	counts.resize(3);
@@ -220,7 +225,18 @@ get_region(const LLSD & sd, U64 region_handle1)
 namespace tut
 {
 	struct tst_viewerassetstats_index
-	{};
+	{
+		tst_viewerassetstats_index()
+		{
+			LLTrace::init();
+		}
+
+		~tst_viewerassetstats_index()
+		{
+			LLTrace::cleanup();
+		}
+
+	};
 	typedef test_group<tst_viewerassetstats_index> tst_viewerassetstats_index_t;
 	typedef tst_viewerassetstats_index_t::object tst_viewerassetstats_index_object_t;
 	tut::tst_viewerassetstats_index_t tut_tst_viewerassetstats_index("tst_viewerassetstats_test");
@@ -230,24 +246,24 @@ namespace tut
 	void tst_viewerassetstats_index_object_t::test<1>()
 	{
 		// Check that helpers aren't bothered by missing global stats
-		ensure("Global gViewerAssetStatsMain should be NULL", (NULL == gViewerAssetStatsMain));
+		ensure("Global gViewerAssetStats should be NULL", (NULL == gViewerAssetStats));
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_TEXTURE, false, false);
 
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_TEXTURE, false, false);
 
-		LLViewerAssetStatsFF::record_response_main(LLViewerAssetType::AT_GESTURE, false, false, 12300000ULL);
+		LLViewerAssetStatsFF::record_response(LLViewerAssetType::AT_GESTURE, false, false, 12300000ULL);
 	}
 
 	// Create a non-global instance and check the structure
 	template<> template<>
 	void tst_viewerassetstats_index_object_t::test<2>()
 	{
-		ensure("Global gViewerAssetStatsMain should be NULL", (NULL == gViewerAssetStatsMain));
+		ensure("Global gViewerAssetStats should be NULL", (NULL == gViewerAssetStats));
 
 		LLViewerAssetStats * it = new LLViewerAssetStats();
 
-		ensure("Global gViewerAssetStatsMain should still be NULL", (NULL == gViewerAssetStatsMain));
+		ensure("Global gViewerAssetStats should still be NULL", (NULL == gViewerAssetStats));
 
 		LLSD sd_full = it->asLLSD(false);
 
@@ -314,16 +330,17 @@ namespace tut
 	template<> template<>
 	void tst_viewerassetstats_index_object_t::test<4>()
 	{
-		gViewerAssetStatsMain = new LLViewerAssetStats();
-		LLViewerAssetStatsFF::set_region_main(region1_handle);
+		gViewerAssetStats = new LLViewerAssetStats();
+		LLViewerAssetStatsFF::set_region(region1_handle);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_TEXTURE, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_TEXTURE, false, false);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_BODYPART, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_BODYPART, false, false);
 
-		LLSD sd = gViewerAssetStatsMain->asLLSD(false);
+		gViewerAssetStats->updateStats();
+		LLSD sd = gViewerAssetStats->asLLSD(false);
 		ensure("Correct single-key LLSD map root", is_triple_key_map(sd, "regions", "duration", "avatar"));
 		ensure("Correct single-slot LLSD array regions", is_single_slot_array(sd["regions"], region1_handle));
 		sd = sd["regions"][0];
@@ -337,11 +354,11 @@ namespace tut
 
 		// Reset and check zeros...
 		// Reset leaves current region in place
-		gViewerAssetStatsMain->reset();
-		sd = gViewerAssetStatsMain->asLLSD(false)["regions"][region1_handle_str];
+		gViewerAssetStats->reset();
+		sd = gViewerAssetStats->asLLSD(false)["regions"][region1_handle_str];
 		
-		delete gViewerAssetStatsMain;
-		gViewerAssetStatsMain = NULL;
+		delete gViewerAssetStats;
+		gViewerAssetStats = NULL;
 
 		ensure("sd[get_texture_non_temp_udp][enqueued] is reset", (0 == sd["get_texture_non_temp_udp"]["enqueued"].asInteger()));
 		ensure("sd[get_gesture_udp][dequeued] is reset", (0 == sd["get_gesture_udp"]["dequeued"].asInteger()));
@@ -351,19 +368,17 @@ namespace tut
 	template<> template<>
 	void tst_viewerassetstats_index_object_t::test<5>()
 	{
-		gViewerAssetStatsThread1 = new LLViewerAssetStats();
-		gViewerAssetStatsMain = new LLViewerAssetStats();
-		LLViewerAssetStatsFF::set_region_main(region1_handle);
+		gViewerAssetStats = new LLViewerAssetStats();
+		LLViewerAssetStatsFF::set_region(region1_handle);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_TEXTURE, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_TEXTURE, false, false);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_BODYPART, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_BODYPART, false, false);
 
-		LLSD sd = gViewerAssetStatsThread1->asLLSD(false);
-		ensure("Other collector is empty", is_no_stats_map(sd));
-		sd = gViewerAssetStatsMain->asLLSD(false);
+		gViewerAssetStats->updateStats();
+		LLSD sd = gViewerAssetStats->asLLSD(false);
 		ensure("Correct single-key LLSD map root", is_triple_key_map(sd, "regions", "duration", "avatar"));
 		ensure("Correct single-slot LLSD array regions", is_single_slot_array(sd["regions"], region1_handle));
 		sd = sd["regions"][0];
@@ -377,13 +392,11 @@ namespace tut
 
 		// Reset and check zeros...
 		// Reset leaves current region in place
-		gViewerAssetStatsMain->reset();
-		sd = gViewerAssetStatsMain->asLLSD(false)["regions"][0];
+		gViewerAssetStats->reset();
+		sd = gViewerAssetStats->asLLSD(false)["regions"][0];
 		
-		delete gViewerAssetStatsMain;
-		gViewerAssetStatsMain = NULL;
-		delete gViewerAssetStatsThread1;
-		gViewerAssetStatsThread1 = NULL;
+		delete gViewerAssetStats;
+		gViewerAssetStats = NULL;
 
 		ensure("sd[get_texture_non_temp_udp][enqueued] is reset", (0 == sd["get_texture_non_temp_udp"]["enqueued"].asInteger()));
 		ensure("sd[get_gesture_udp][dequeued] is reset", (0 == sd["get_gesture_udp"]["dequeued"].asInteger()));
@@ -393,24 +406,25 @@ namespace tut
 	template<> template<>
 	void tst_viewerassetstats_index_object_t::test<6>()
 	{
-		gViewerAssetStatsMain = new LLViewerAssetStats();
+		gViewerAssetStats = new LLViewerAssetStats();
 
-		LLViewerAssetStatsFF::set_region_main(region1_handle);
+		LLViewerAssetStatsFF::set_region(region1_handle);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_TEXTURE, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_TEXTURE, false, false);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_BODYPART, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_BODYPART, false, false);
 
-		LLViewerAssetStatsFF::set_region_main(region2_handle);
+		LLViewerAssetStatsFF::set_region(region2_handle);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
 
-		LLSD sd = gViewerAssetStatsMain->asLLSD(false);
+		gViewerAssetStats->updateStats();
+		LLSD sd = gViewerAssetStats->asLLSD(false);
 
 		// std::cout << sd << std::endl;
 		
@@ -435,14 +449,14 @@ namespace tut
 
 		// Reset and check zeros...
 		// Reset leaves current region in place
-		gViewerAssetStatsMain->reset();
-		sd = gViewerAssetStatsMain->asLLSD(false);
+		gViewerAssetStats->reset();
+		sd = gViewerAssetStats->asLLSD(false);
 		ensure("Correct single-key LLSD map root", is_triple_key_map(sd, "regions", "duration", "avatar"));
 		ensure("Correct single-slot LLSD array regions (p2)", is_single_slot_array(sd["regions"], region2_handle));
 		sd2 = sd["regions"][0];
 		
-		delete gViewerAssetStatsMain;
-		gViewerAssetStatsMain = NULL;
+		delete gViewerAssetStats;
+		gViewerAssetStats = NULL;
 
 		ensure("sd2[get_texture_non_temp_udp][enqueued] is reset", (0 == sd2["get_texture_non_temp_udp"]["enqueued"].asInteger()));
 		ensure("sd2[get_gesture_udp][enqueued] is reset", (0 == sd2["get_gesture_udp"]["enqueued"].asInteger()));
@@ -452,39 +466,40 @@ namespace tut
 	template<> template<>
 	void tst_viewerassetstats_index_object_t::test<7>()
 	{
-		gViewerAssetStatsMain = new LLViewerAssetStats();
+		gViewerAssetStats = new LLViewerAssetStats();
 
-		LLViewerAssetStatsFF::set_region_main(region1_handle);
+		LLViewerAssetStatsFF::set_region(region1_handle);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_TEXTURE, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_TEXTURE, false, false);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_BODYPART, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_BODYPART, false, false);
 
-		LLViewerAssetStatsFF::set_region_main(region2_handle);
+		LLViewerAssetStatsFF::set_region(region2_handle);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
 
-		LLViewerAssetStatsFF::set_region_main(region1_handle);
+		LLViewerAssetStatsFF::set_region(region1_handle);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_TEXTURE, true, true);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_TEXTURE, true, true);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_TEXTURE, true, true);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_TEXTURE, true, true);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_BODYPART, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_BODYPART, false, false);
 
-		LLViewerAssetStatsFF::set_region_main(region2_handle);
+		LLViewerAssetStatsFF::set_region(region2_handle);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_GESTURE, false, false);
 
-		LLSD sd = gViewerAssetStatsMain->asLLSD(false);
+		gViewerAssetStats->updateStats();
+		LLSD sd = gViewerAssetStats->asLLSD(false);
 
 		ensure("Correct double-key LLSD map root", is_triple_key_map(sd, "duration", "regions", "avatar"));
 		ensure("Correct double-slot LLSD array regions", is_double_slot_array(sd["regions"], region1_handle, region2_handle));
@@ -507,15 +522,15 @@ namespace tut
 
 		// Reset and check zeros...
 		// Reset leaves current region in place
-		gViewerAssetStatsMain->reset();
-		sd = gViewerAssetStatsMain->asLLSD(false);
+		gViewerAssetStats->reset();
+		sd = gViewerAssetStats->asLLSD(false);
 		ensure("Correct single-key LLSD map root", is_triple_key_map(sd, "duration", "regions", "avatar"));
 		ensure("Correct single-slot LLSD array regions (p2)", is_single_slot_array(sd["regions"], region2_handle));
 		sd2 = get_region(sd, region2_handle);
 		ensure("Region2 is present in results", sd2.isMap());
 		
-		delete gViewerAssetStatsMain;
-		gViewerAssetStatsMain = NULL;
+		delete gViewerAssetStats;
+		gViewerAssetStats = NULL;
 
 		ensure_equals("sd2[get_texture_non_temp_udp][enqueued] is reset", sd2["get_texture_non_temp_udp"]["enqueued"].asInteger(), 0);
 		ensure_equals("sd2[get_gesture_udp][enqueued] is reset", sd2["get_gesture_udp"]["enqueued"].asInteger(), 0);
@@ -525,36 +540,34 @@ namespace tut
 	template<> template<>
 	void tst_viewerassetstats_index_object_t::test<8>()
 	{
-		gViewerAssetStatsThread1 = new LLViewerAssetStats();
-		gViewerAssetStatsMain = new LLViewerAssetStats();
-		LLViewerAssetStatsFF::set_region_main(region1_handle);
+		gViewerAssetStats = new LLViewerAssetStats();
+		LLViewerAssetStatsFF::set_region(region1_handle);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_TEXTURE, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_TEXTURE, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_TEXTURE, false, false);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_BODYPART, false, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_BODYPART, false, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_BODYPART, false, false);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_BODYPART, false, true);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_BODYPART, false, true);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_BODYPART, false, true);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_BODYPART, false, true);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_BODYPART, true, false);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_BODYPART, true, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_BODYPART, true, false);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_BODYPART, true, false);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_BODYPART, true, true);
-		LLViewerAssetStatsFF::record_dequeue_main(LLViewerAssetType::AT_BODYPART, true, true);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_BODYPART, true, true);
+		LLViewerAssetStatsFF::record_dequeue(LLViewerAssetType::AT_BODYPART, true, true);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_LSL_BYTECODE, false, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_LSL_BYTECODE, false, false);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_LSL_BYTECODE, false, true);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_LSL_BYTECODE, false, true);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_LSL_BYTECODE, true, false);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_LSL_BYTECODE, true, false);
 
-		LLViewerAssetStatsFF::record_enqueue_main(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
+		LLViewerAssetStatsFF::record_enqueue(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
 
-		LLSD sd = gViewerAssetStatsThread1->asLLSD(false);
-		ensure("Other collector is empty", is_no_stats_map(sd));
-		sd = gViewerAssetStatsMain->asLLSD(false);
+		gViewerAssetStats->updateStats();
+		LLSD sd = gViewerAssetStats->asLLSD(false);
 		ensure("Correct single-key LLSD map root", is_triple_key_map(sd, "regions", "duration", "avatar"));
 		ensure("Correct single-slot LLSD array regions", is_single_slot_array(sd["regions"], region1_handle));
 		sd = get_region(sd, region1_handle);
@@ -572,445 +585,14 @@ namespace tut
 
 		// Reset and check zeros...
 		// Reset leaves current region in place
-		gViewerAssetStatsMain->reset();
-		sd = get_region(gViewerAssetStatsMain->asLLSD(false), region1_handle);
+		gViewerAssetStats->reset();
+		sd = get_region(gViewerAssetStats->asLLSD(false), region1_handle);
 		ensure("Region1 is present in results", sd.isMap());
 		
-		delete gViewerAssetStatsMain;
-		gViewerAssetStatsMain = NULL;
-		delete gViewerAssetStatsThread1;
-		gViewerAssetStatsThread1 = NULL;
+		delete gViewerAssetStats;
+		gViewerAssetStats = NULL;
 
 		ensure_equals("sd[get_texture_non_temp_udp][enqueued] is reset", sd["get_texture_non_temp_udp"]["enqueued"].asInteger(), 0);
 		ensure_equals("sd[get_gesture_udp][dequeued] is reset", sd["get_gesture_udp"]["dequeued"].asInteger(), 0);
 	}
-
-
-	// LLViewerAssetStats::merge() basic functions work
-	template<> template<>
-	void tst_viewerassetstats_index_object_t::test<9>()
-	{
-		LLViewerAssetStats s1;
-		LLViewerAssetStats s2;
-
-		s1.setRegion(region1_handle);
-		s2.setRegion(region1_handle);
-
-		s1.recordGetServiced(LLViewerAssetType::AT_TEXTURE, true, true, 5000000);
-		s1.recordGetServiced(LLViewerAssetType::AT_TEXTURE, true, true, 6000000);
-		s1.recordGetServiced(LLViewerAssetType::AT_TEXTURE, true, true, 8000000);
-		s1.recordGetServiced(LLViewerAssetType::AT_TEXTURE, true, true, 7000000);
-		s1.recordGetServiced(LLViewerAssetType::AT_TEXTURE, true, true, 9000000);
-		
-		s2.recordGetServiced(LLViewerAssetType::AT_TEXTURE, true, true, 2000000);
-		s2.recordGetServiced(LLViewerAssetType::AT_TEXTURE, true, true, 3000000);
-		s2.recordGetServiced(LLViewerAssetType::AT_TEXTURE, true, true, 4000000);
-
-		s2.merge(s1);
-
-		LLSD s2_llsd = get_region(s2.asLLSD(false), region1_handle);
-		ensure("Region1 is present in results", s2_llsd.isMap());
-		
-		ensure_equals("count after merge", s2_llsd["get_texture_temp_http"]["resp_count"].asInteger(), 8);
-		ensure_approximately_equals("min after merge", s2_llsd["get_texture_temp_http"]["resp_min"].asReal(), 2.0, 22);
-		ensure_approximately_equals("max after merge", s2_llsd["get_texture_temp_http"]["resp_max"].asReal(), 9.0, 22);
-		ensure_approximately_equals("max after merge", s2_llsd["get_texture_temp_http"]["resp_mean"].asReal(), 5.5, 22);
-	}
-
-	// LLViewerAssetStats::merge() basic functions work without corrupting source data
-	template<> template<>
-	void tst_viewerassetstats_index_object_t::test<10>()
-	{
-		LLViewerAssetStats s1;
-		LLViewerAssetStats s2;
-
-		s1.setRegion(region1_handle);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 23289200);
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 282900);
-
-		
-		s2.setRegion(region2_handle);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s2.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 6500000);
-		s2.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 10000);
-
-		{
-			s2.merge(s1);
-			
-			LLSD src = s1.asLLSD(false);
-			LLSD dst = s2.asLLSD(false);
-
-			ensure_equals("merge src has single region", src["regions"].size(), 1);
-			ensure_equals("merge dst has dual regions", dst["regions"].size(), 2);
-			
-			// Remove time stamps, they're a problem
-			src.erase("duration");
-			src["regions"][0].erase("duration");
-			dst.erase("duration");
-			dst["regions"][0].erase("duration");
-			dst["regions"][1].erase("duration");
-
-			LLSD s1_llsd = get_region(src, region1_handle);
-			ensure("Region1 is present in src", s1_llsd.isMap());
-			LLSD s2_llsd = get_region(dst, region1_handle);
-			ensure("Region1 is present in dst", s2_llsd.isMap());
-
-			ensure("result from src is in dst", llsd_equals(s1_llsd, s2_llsd));
-		}
-
-		s1.setRegion(region1_handle);
-		s2.setRegion(region1_handle);
-		s1.reset();
-		s2.reset();
-		
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 23289200);
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 282900);
-
-		
-		s2.setRegion(region1_handle);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s2.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 6500000);
-		s2.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 10000);
-
-		{
-			s2.merge(s1);
-			
-			LLSD src = s1.asLLSD(false);
-			LLSD dst = s2.asLLSD(false);
-
-			ensure_equals("merge src has single region (p2)", src["regions"].size(), 1);
-			ensure_equals("merge dst has single region (p2)", dst["regions"].size(), 1);
-
-			// Remove time stamps, they're a problem
-			src.erase("duration");
-			src["regions"][0].erase("duration");
-			dst.erase("duration");
-			dst["regions"][0].erase("duration");
-			
-			LLSD s1_llsd = get_region(src, region1_handle);
-			ensure("Region1 is present in src", s1_llsd.isMap());
-			LLSD s2_llsd = get_region(dst, region1_handle);
-			ensure("Region1 is present in dst", s2_llsd.isMap());
-
-			ensure_equals("src counts okay (enq)", s1_llsd["get_other"]["enqueued"].asInteger(), 4);
-			ensure_equals("src counts okay (deq)", s1_llsd["get_other"]["dequeued"].asInteger(), 4);
-			ensure_equals("src resp counts okay", s1_llsd["get_other"]["resp_count"].asInteger(), 2);
-			ensure_approximately_equals("src respmin okay", s1_llsd["get_other"]["resp_min"].asReal(), 0.2829, 20);
-			ensure_approximately_equals("src respmax okay", s1_llsd["get_other"]["resp_max"].asReal(), 23.2892, 20);
-			
-			ensure_equals("dst counts okay (enq)", s2_llsd["get_other"]["enqueued"].asInteger(), 12);
-			ensure_equals("src counts okay (deq)", s2_llsd["get_other"]["dequeued"].asInteger(), 11);
-			ensure_equals("dst resp counts okay", s2_llsd["get_other"]["resp_count"].asInteger(), 4);
-			ensure_approximately_equals("dst respmin okay", s2_llsd["get_other"]["resp_min"].asReal(), 0.010, 20);
-			ensure_approximately_equals("dst respmax okay", s2_llsd["get_other"]["resp_max"].asReal(), 23.2892, 20);
-		}
-	}
-
-
-    // Maximum merges are interesting when one side contributes nothing
-	template<> template<>
-	void tst_viewerassetstats_index_object_t::test<11>()
-	{
-		LLViewerAssetStats s1;
-		LLViewerAssetStats s2;
-
-		s1.setRegion(region1_handle);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		// Want to test negative numbers here but have to work in U64
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 0);
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 0);
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 0);
-
-		s2.setRegion(region1_handle);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		{
-			s2.merge(s1);
-			
-			LLSD src = s1.asLLSD(false);
-			LLSD dst = s2.asLLSD(false);
-
-			ensure_equals("merge src has single region", src["regions"].size(), 1);
-			ensure_equals("merge dst has single region", dst["regions"].size(), 1);
-			
-			// Remove time stamps, they're a problem
-			src.erase("duration");
-			src["regions"][0].erase("duration");
-			dst.erase("duration");
-			dst["regions"][0].erase("duration");
-
-			LLSD s2_llsd = get_region(dst, region1_handle);
-			ensure("Region1 is present in dst", s2_llsd.isMap());
-			
-			ensure_equals("dst counts come from src only", s2_llsd["get_other"]["resp_count"].asInteger(), 3);
-
-			ensure_approximately_equals("dst maximum with count 0 does not contribute to merged maximum",
-										s2_llsd["get_other"]["resp_max"].asReal(), F64(0.0), 20);
-		}
-
-		// Other way around
-		s1.setRegion(region1_handle);
-		s2.setRegion(region1_handle);
-		s1.reset();
-		s2.reset();
-
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		// Want to test negative numbers here but have to work in U64
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 0);
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 0);
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 0);
-
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		{
-			s1.merge(s2);
-			
-			LLSD src = s2.asLLSD(false);
-			LLSD dst = s1.asLLSD(false);
-
-			ensure_equals("merge src has single region", src["regions"].size(), 1);
-			ensure_equals("merge dst has single region", dst["regions"].size(), 1);
-			
-			// Remove time stamps, they're a problem
-			src.erase("duration");
-			src["regions"][0].erase("duration");
-			dst.erase("duration");
-			dst["regions"][0].erase("duration");
-
-			LLSD s2_llsd = get_region(dst, region1_handle);
-			ensure("Region1 is present in dst", s2_llsd.isMap());
-
-			ensure_equals("dst counts come from src only (flipped)", s2_llsd["get_other"]["resp_count"].asInteger(), 3);
-
-			ensure_approximately_equals("dst maximum with count 0 does not contribute to merged maximum (flipped)",
-										s2_llsd["get_other"]["resp_max"].asReal(), F64(0.0), 20);
-		}
-	}
-
-    // Minimum merges are interesting when one side contributes nothing
-	template<> template<>
-	void tst_viewerassetstats_index_object_t::test<12>()
-	{
-		LLViewerAssetStats s1;
-		LLViewerAssetStats s2;
-
-		s1.setRegion(region1_handle);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 3800000);
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 2700000);
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 2900000);
-
-		s2.setRegion(region1_handle);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		{
-			s2.merge(s1);
-			
-			LLSD src = s1.asLLSD(false);
-			LLSD dst = s2.asLLSD(false);
-
-			ensure_equals("merge src has single region", src["regions"].size(), 1);
-			ensure_equals("merge dst has single region", dst["regions"].size(), 1);
-			
-			// Remove time stamps, they're a problem
-			src.erase("duration");
-			src["regions"][0].erase("duration");
-			dst.erase("duration");
-			dst["regions"][0].erase("duration");
-
-			LLSD s2_llsd = get_region(dst, region1_handle);
-			ensure("Region1 is present in dst", s2_llsd.isMap());
-
-			ensure_equals("dst counts come from src only", s2_llsd["get_other"]["resp_count"].asInteger(), 3);
-
-			ensure_approximately_equals("dst minimum with count 0 does not contribute to merged minimum",
-										s2_llsd["get_other"]["resp_min"].asReal(), F64(2.7), 20);
-		}
-
-		// Other way around
-		s1.setRegion(region1_handle);
-		s2.setRegion(region1_handle);
-		s1.reset();
-		s2.reset();
-
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s1.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 3800000);
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 2700000);
-		s1.recordGetServiced(LLViewerAssetType::AT_LSL_BYTECODE, true, true, 2900000);
-
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetEnqueued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-		s2.recordGetDequeued(LLViewerAssetType::AT_LSL_BYTECODE, true, true);
-
-		{
-			s1.merge(s2);
-			
-			LLSD src = s2.asLLSD(false);
-			LLSD dst = s1.asLLSD(false);
-
-			ensure_equals("merge src has single region", src["regions"].size(), 1);
-			ensure_equals("merge dst has single region", dst["regions"].size(), 1);
-			
-			// Remove time stamps, they're a problem
-			src.erase("duration");
-			src["regions"][0].erase("duration");
-			dst.erase("duration");
-			dst["regions"][0].erase("duration");
-
-			LLSD s2_llsd = get_region(dst, region1_handle);
-			ensure("Region1 is present in dst", s2_llsd.isMap());
-
-			ensure_equals("dst counts come from src only (flipped)", s2_llsd["get_other"]["resp_count"].asInteger(), 3);
-
-			ensure_approximately_equals("dst minimum with count 0 does not contribute to merged minimum (flipped)",
-										s2_llsd["get_other"]["resp_min"].asReal(), F64(2.7), 20);
-		}
-	}
-
 }
diff --git a/indra/test/llbuffer_tut.cpp b/indra/test/llbuffer_tut.cpp
index dc1a5cdd3d..a25fdebb7f 100644
--- a/indra/test/llbuffer_tut.cpp
+++ b/indra/test/llbuffer_tut.cpp
@@ -31,7 +31,6 @@
 #include "lltut.h"
 #include "llbuffer.h"
 #include "llerror.h"
-#include "llmemtype.h"
 
 
 namespace tut
diff --git a/indra/test/test.cpp b/indra/test/test.cpp
index dc8580fe69..8bd302ce7a 100644
--- a/indra/test/test.cpp
+++ b/indra/test/test.cpp
@@ -40,6 +40,7 @@
 #include "tests/wrapllerrs.h"             // RecorderProxy
 #include "stringize.h"
 #include "namedtempfile.h"
+#include "lltrace.h"
 
 #include "apr_pools.h"
 #include "apr_getopt.h"
@@ -512,15 +513,11 @@ int main(int argc, char **argv)
 	ctype_workaround();
 #endif
 
-	apr_initialize();
-	apr_pool_t* pool = NULL;
-	if(APR_SUCCESS != apr_pool_create(&pool, NULL))
-	{
-		std::cerr << "Unable to initialize pool" << std::endl;
-		return 1;
-	}
+	ll_init_apr();
+	LLTrace::init();
+	
 	apr_getopt_t* os = NULL;
-	if(APR_SUCCESS != apr_getopt_init(&os, pool, argc, argv))
+	if(APR_SUCCESS != apr_getopt_init(&os, gAPRPoolp, argc, argv))
 	{
 		std::cerr << "apr_getopt_init() failed" << std::endl;
 		return 1;
@@ -602,7 +599,7 @@ int main(int argc, char **argv)
 	if (LOGFAIL)
 	{
 		LLError::ELevel level = LLError::decodeLevel(LOGFAIL);
-		replayer.reset(new LLReplayLogReal(level, pool));
+		replayer.reset(new LLReplayLogReal(level, gAPRPoolp));
 	}
 	else
 	{
@@ -646,7 +643,7 @@ int main(int argc, char **argv)
 		s.close();
 	}
 
-	apr_terminate();
+	ll_cleanup_apr();
 
 	int retval = (success ? 0 : 1);
 	return retval;