21 files changed, 518 insertions, 867 deletions

diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt
index dd7b8c6eb8..7795d55d62 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
@@ -167,7 +167,6 @@ set(llcommon_HEADER_FILES
     lleventemitter.h
     llextendedstatus.h
     llfasttimer.h
-    llfasttimer_class.h
     llfile.h
     llfindlocale.h
     llfixedbuffer.h
diff --git a/indra/llcommon/llfasttimer_class.cpp b/indra/llcommon/llfasttimer.cpp
index 449074dbfe..ff6806082c 100644
--- a/indra/llcommon/llfasttimer_class.cpp
+++ b/indra/llcommon/llfasttimer.cpp
@@ -1,5 +1,5 @@
 /** 
- * @file llfasttimer_class.cpp
+ * @file llfasttimer.cpp
  * @brief Implementation of the fast timer.
  *
  * $LicenseInfo:firstyear=2004&license=viewerlgpl$
@@ -64,16 +64,12 @@ 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;
-
 // FIXME: move these declarations to the relevant modules
 
 // helper functions
@@ -106,52 +102,41 @@ 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)
+	:	mTimerRoot(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);
+		mRootFrameState.setNamedTimer(mTimerRoot);
+		mTimerRoot->setFrameState(&mRootFrameState);
+		mTimerRoot->mParent = mTimerRoot;
+		mRootFrameState.mParent = &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)
+	LLFastTimer::NamedTimer& createNamedTimer(const std::string& name, LLFastTimer::FrameState* state)
 	{
 		timer_map_t::iterator found_it = mTimers.find(name);
 		if (found_it != mTimers.end())
 		{
+			llerrs << "Duplicate timer declaration for: " << name << llendl;
 			return *found_it->second;
 		}
 
 		LLFastTimer::NamedTimer* timer = new LLFastTimer::NamedTimer(name);
+		timer->setFrameState(state);
 		timer->setParent(mTimerRoot);
 		mTimers.insert(std::make_pair(name, timer));
 
@@ -168,10 +153,7 @@ public:
 		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(); }
@@ -181,55 +163,19 @@ public:
 private:
 	timer_map_t mTimers;
 
-	LLFastTimer::NamedTimer*		mActiveTimerRoot;
 	LLFastTimer::NamedTimer*		mTimerRoot;
-	LLFastTimer*						mAppTimer;
-	LLFastTimer::FrameState*		mRootFrameState;
+	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(NamedTimerFactory::instance().createNamedTimer(name, &mFrameState))
 {
 	mTimer.setCollapsed(!open);
-	mFrameState = &mTimer.getFrameState();
-	update_cached_pointers_if_changed();
 }
 
 LLFastTimer::DeclareTimer::DeclareTimer(const std::string& name)
-:	mTimer(NamedTimerFactory::instance().createNamedTimer(name))
+:	mTimer(NamedTimerFactory::instance().createNamedTimer(name, &mFrameState))
 {
-	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
@@ -241,7 +187,7 @@ U64 LLFastTimer::countsPerSecond() // counts per second for the *32-bit* timer
 #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
+#if LL_FASTTIMER_USE_RDTSC || !LL_WINDOWS
 	//getCPUFrequency returns MHz and sCPUClockFrequency wants to be in Hz
 	static U64 sCPUClockFrequency = U64(LLProcessorInfo().getCPUFrequency()*1000000.0);
 
@@ -262,14 +208,13 @@ U64 LLFastTimer::countsPerSecond() // counts per second for the *32-bit* timer
 }
 #endif
 
-LLFastTimer::FrameState::FrameState(LLFastTimer::NamedTimer* timerp)
+LLFastTimer::FrameState::FrameState()
 :	mActiveCount(0),
 	mCalls(0),
 	mSelfTimeCounter(0),
 	mParent(NULL),
 	mLastCaller(NULL),
-	mMoveUpTree(false),
-	mTimer(timerp)
+	mMoveUpTree(false)
 {}
 
 
@@ -280,12 +225,9 @@ LLFastTimer::NamedTimer::NamedTimer(const std::string& name)
 	mTotalTimeCounter(0),
 	mCountAverage(0),
 	mCallAverage(0),
-	mNeedsSorting(false)
+	mNeedsSorting(false),
+	mFrameState(NULL)
 {
-	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];
@@ -366,15 +308,6 @@ void LLFastTimer::NamedTimer::processTimes()
 	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
 {
@@ -455,7 +388,7 @@ void LLFastTimer::NamedTimer::accumulateTimings()
 	LLFastTimer* cur_timer = sCurTimerData.mCurTimer;
 	// root defined by parent pointing to self
 	CurTimerData* cur_data = &sCurTimerData;
-	while(cur_timer->mLastTimerData.mCurTimer != cur_timer)
+	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;
@@ -470,7 +403,7 @@ void LLFastTimer::NamedTimer::accumulateTimings()
 	}
 
 	// 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());
+	for(timer_tree_bottom_up_iterator_t it = begin_timer_tree_bottom_up(*NamedTimerFactory::instance().getRootTimer());
 		it != end_timer_tree_bottom_up();
 		++it)
 	{
@@ -541,27 +474,6 @@ void LLFastTimer::NamedTimer::resetFrame()
 		}
 	}
 
-
-	// 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)
 	{
@@ -592,7 +504,7 @@ void LLFastTimer::NamedTimer::reset()
 	// root defined by parent pointing to self
 	CurTimerData* cur_data = &sCurTimerData;
 	LLFastTimer* cur_timer = cur_data->mCurTimer;
-	while(cur_timer->mLastTimerData.mCurTimer != cur_timer)
+	while(cur_timer && cur_timer->mLastTimerData.mCurTimer != cur_timer)
 	{
 		cur_timer->mStartTime = cur_time;
 		cur_data->mChildTime = 0;
@@ -622,17 +534,6 @@ void LLFastTimer::NamedTimer::reset()
 	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;
@@ -647,18 +548,7 @@ U32 LLFastTimer::NamedTimer::getHistoricalCalls(S32 history_index ) const
 
 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(); 
+	return *mFrameState;
 }
 
 std::vector<LLFastTimer::NamedTimer*>::const_iterator LLFastTimer::NamedTimer::beginChildren()
@@ -769,145 +659,3 @@ LLFastTimer::LLFastTimer(LLFastTimer::FrameState* state)
 }
 
 
-//////////////////////////////////////////////////////////////////////////////
-//
-// 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.h b/indra/llcommon/llfasttimer.h
index 2b25f2fabb..e42e549df5 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 +27,363 @@
 #ifndef LL_FASTTIMER_H
 #define LL_FASTTIMER_H
 
-// Implementation of getCPUClockCount32() and getCPUClockCount64 are now in llfastertimer_class.cpp.
+#include "llinstancetracker.h"
 
-// pull in the actual class definition
-#include "llfasttimer_class.h"
+#define FAST_TIMER_ON 1
+#define DEBUG_FAST_TIMER_THREADS 1
+
+class LLMutex;
+
+#include <queue>
+#include "llsd.h"
+
+#define LL_FASTTIMER_USE_RDTSC 1
+
+
+LL_COMMON_API void assert_main_thread();
+
+class LL_COMMON_API LLFastTimer
+{
+public:
+	class NamedTimer;
+
+	struct LL_COMMON_API FrameState
+	{
+		FrameState();
+		void setNamedTimer(NamedTimer* timerp) { mTimer = 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;
+
+		void setFrameState(FrameState* state) { mFrameState = state; state->setNamedTimer(this); }
+		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
+		//
+		FrameState*		mFrameState;
+
+		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);
+
+		NamedTimer& getNamedTimer() { return mTimer; }
+
+	private:
+		FrameState		mFrameState;
+		NamedTimer&		mTimer;
+	};
+
+public:
+	LLFastTimer(LLFastTimer::FrameState* state);
+
+	LL_FORCE_INLINE LLFastTimer(LLFastTimer::DeclareTimer& timer)
+	:	mFrameState(&timer.mFrameState)
+	{
+#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 DEBUG_FAST_TIMER_THREADS
+#if !LL_RELEASE
+		assert_main_thread();
+#endif
+#endif
+	}
+
+	LL_FORCE_INLINE ~LLFastTimer()
+	{
+#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
+	}
+
+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;
+
+	// 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;
+
+private:
+
+
+	//////////////////////////////////////////////////////////////////////////////
+	//
+	// 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 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
+	//LL_COMMON_API 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 sClockResolution;
+
+	static S32				sCurFrameIndex;
+	static S32				sLastFrameIndex;
+	static U64				sLastFrameTime;
+
+	U32							mStartTime;
+	LLFastTimer::FrameState*	mFrameState;
+	LLFastTimer::CurTimerData	mLastTimerData;
+
+};
+
+typedef class LLFastTimer LLFastTimer;
 
 #endif // LL_LLFASTTIMER_H
diff --git a/indra/llcommon/llfasttimer_class.h b/indra/llcommon/llfasttimer_class.h
deleted file mode 100644
index 8a12aa1372..0000000000
--- a/indra/llcommon/llfasttimer_class.h
+++ /dev/null
@@ -1,258 +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 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 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 DEBUG_FAST_TIMER_THREADS
-#if !LL_RELEASE
-		assert_main_thread();
-#endif
-#endif
-	}
-
-	LL_FORCE_INLINE ~LLFastTimer()
-	{
-#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
-	}
-
-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;
-
-	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/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index c02bc882ea..c717a64501 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -785,9 +785,6 @@ 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.
@@ -1171,6 +1168,8 @@ 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");
+
 bool LLAppViewer::mainLoop()
 {
 	LLMemType mt1(LLMemType::MTYPE_MAIN);
@@ -1209,7 +1208,8 @@ bool LLAppViewer::mainLoop()
 	// Handle messages
 	while (!LLApp::isExiting())
 	{
-		LLFastTimer::nextFrame(); // Should be outside of any timer instances
+		LLFastTimer _(FTM_FRAME);
+		LLFastTimer::nextFrame(); 
 
 		//clear call stack records
 		llclearcallstacks;
@@ -3109,8 +3109,6 @@ 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.
 }
 
@@ -4208,7 +4206,6 @@ 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
@@ -4268,7 +4265,7 @@ void LLAppViewer::idle()
 		idle_afk_check();
 
 		//  Update statistics for this frame
-		update_statistics(gFrameCount);
+		update_statistics();
 	}
 
 	////////////////////////////////////////
diff --git a/indra/newview/llappviewer.h b/indra/newview/llappviewer.h
index f7d019ccba..304b084d39 100644
--- a/indra/newview/llappviewer.h
+++ b/indra/newview/llappviewer.h
@@ -41,6 +41,9 @@ class LLTextureFetch;
 class LLWatchdogTimeout;
 class LLUpdaterService;
 
+extern LLFastTimer::DeclareTimer FTM_FRAME;
+
+
 class LLAppViewer : public LLApp
 {
 public:
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index 6f71e6ebc8..a340f43594 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/llfasttimerview.cpp b/indra/newview/llfasttimerview.cpp
index c032d5d049..59bf70f488 100644
--- a/indra/newview/llfasttimerview.cpp
+++ b/indra/newview/llfasttimerview.cpp
@@ -160,7 +160,7 @@ 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)
 	{
@@ -257,7 +257,7 @@ 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)
 		{
@@ -419,11 +419,11 @@ 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)
 	{
@@ -448,7 +448,7 @@ void LLFastTimerView::draw()
 		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());
+		for (timer_tree_iterator_t it = begin_timer_tree(getFrameTimer());
 			it != timer_tree_iterator_t();
 			++it)
 		{
@@ -558,7 +558,7 @@ void LLFastTimerView::draw()
 		U64 totalticks;
 		if (!LLFastTimer::sPauseHistory)
 		{
-			U64 ticks = LLFastTimer::NamedTimer::getRootNamedTimer().getHistoricalCount(mScrollIndex);
+			U64 ticks = getFrameTimer().getHistoricalCount(mScrollIndex);
 
 			if (LLFastTimer::getCurFrameIndex() >= 10)
 			{
@@ -598,7 +598,7 @@ 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;
@@ -704,7 +704,7 @@ void LLFastTimerView::draw()
 			LLFastTimer::NamedTimer* 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)
 			{
@@ -867,7 +867,7 @@ 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)
 			{
@@ -968,7 +968,7 @@ 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)
 		{
@@ -990,7 +990,7 @@ 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)
 		{
@@ -1551,3 +1551,9 @@ void	LLFastTimerView::onClickCloseBtn()
 	setVisible(false);
 }
 
+LLFastTimer::NamedTimer& LLFastTimerView::getFrameTimer()
+{
+	return FTM_FRAME.getNamedTimer();
+}
+
+
diff --git a/indra/newview/llfasttimerview.h b/indra/newview/llfasttimerview.h
index 1fda91f173..5766cfa0b0 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();
+	LLFastTimer::NamedTimer& getFrameTimer();
 
 public:
 
diff --git a/indra/newview/llstartup.cpp b/indra/newview/llstartup.cpp
index 6b0fc26db7..77d0932fc0 100644
--- a/indra/newview/llstartup.cpp
+++ b/indra/newview/llstartup.cpp
@@ -1394,7 +1394,7 @@ bool idle_startup()
 		display_startup();
 
 		//reset statistics
-		LLViewerStats::getInstance()->resetStats();
+		LLViewerStats::instance().resetStats();
 
 		display_startup();
 		//
diff --git a/indra/newview/llsurface.cpp b/indra/newview/llsurface.cpp
index 66df7dae3e..3bd2d4cabc 100644
--- a/indra/newview/llsurface.cpp
+++ b/indra/newview/llsurface.cpp
@@ -61,8 +61,6 @@ LLColor4U MAX_WATER_COLOR(0, 48, 96, 240);
 
 
 S32 LLSurface::sTextureSize = 256;
-S32 LLSurface::sTexelsUpdated = 0;
-F32 LLSurface::sTextureUpdateTime = 0.f;
 
 // ---------------- LLSurface:: Public Members ---------------
 
diff --git a/indra/newview/llsurface.h b/indra/newview/llsurface.h
index a4ef4fe2de..eb120f142d 100644
--- a/indra/newview/llsurface.h
+++ b/indra/newview/llsurface.h
@@ -168,9 +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/lltexturefetch.cpp b/indra/newview/lltexturefetch.cpp
index 143db79eb5..001060f4de 100755
--- a/indra/newview/lltexturefetch.cpp
+++ b/indra/newview/lltexturefetch.cpp
@@ -3242,7 +3242,7 @@ void LLTextureFetchDebugger::startDebug()
 	}
 
 	//collect statistics
-	mTotalFetchingTime = gDebugTimers[0].getElapsedTimeF32() - mTotalFetchingTime;
+	mTotalFetchingTime = gTextureTimer.getElapsedTimeF32() - mTotalFetchingTime;
 	
 	std::set<LLUUID> fetched_textures;
 	S32 size = mFetchingHistory.size();
@@ -3324,7 +3324,7 @@ void LLTextureFetchDebugger::stopDebug()
 	//unlock the fetcher
 	mFetcher->lockFetcher(false);
 	mFreezeHistory = FALSE;
-	mTotalFetchingTime = gDebugTimers[0].getElapsedTimeF32(); //reset
+	mTotalFetchingTime = gTextureTimer.getElapsedTimeF32(); //reset
 }
 
 //called in the main thread and when the fetching queue is empty
@@ -3637,7 +3637,7 @@ bool LLTextureFetchDebugger::update()
 	case REFETCH_VIS_CACHE:
 		if (LLAppViewer::getTextureFetch()->getNumRequests() == 0)
 		{
-			mRefetchVisCacheTime = gDebugTimers[0].getElapsedTimeF32() - mTotalFetchingTime;
+			mRefetchVisCacheTime = gTextureTimer.getElapsedTimeF32() - mTotalFetchingTime;
 			mState = IDLE;
 			mFetcher->lockFetcher(true);
 		}
@@ -3645,7 +3645,7 @@ bool LLTextureFetchDebugger::update()
 	case REFETCH_VIS_HTTP:
 		if (LLAppViewer::getTextureFetch()->getNumRequests() == 0)
 		{
-			mRefetchVisHTTPTime = gDebugTimers[0].getElapsedTimeF32() - mTotalFetchingTime;
+			mRefetchVisHTTPTime = gTextureTimer.getElapsedTimeF32() - mTotalFetchingTime;
 			mState = IDLE;
 			mFetcher->lockFetcher(true);
 		}
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 34e916fec0..75b4815ba7 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -1314,22 +1314,6 @@ 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 //
 //////////////////
@@ -8280,7 +8264,6 @@ 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");
diff --git a/indra/newview/llviewermessage.cpp b/indra/newview/llviewermessage.cpp
index a9bff67f40..6e61c87117 100755
--- a/indra/newview/llviewermessage.cpp
+++ b/indra/newview/llviewermessage.cpp
@@ -4264,7 +4264,7 @@ void process_terse_object_update_improved(LLMessageSystem *mesgsys, void **user_
 	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)
diff --git a/indra/newview/llviewerobjectlist.cpp b/indra/newview/llviewerobjectlist.cpp
index 5a23b55fa7..eee68ba474 100644
--- a/indra/newview/llviewerobjectlist.cpp
+++ b/indra/newview/llviewerobjectlist.cpp
@@ -1854,13 +1854,10 @@ 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)
diff --git a/indra/newview/llviewerstats.cpp b/indra/newview/llviewerstats.cpp
index c1ccfe3faa..0e2436ae30 100644
--- a/indra/newview/llviewerstats.cpp
+++ b/indra/newview/llviewerstats.cpp
@@ -286,19 +286,19 @@ 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();
-	
-	LLViewerStats::getInstance()->mAgentPositionSnaps.reset();
+	LLViewerStats& stats = LLViewerStats::instance();
+	stats.mKBitStat.reset();
+	stats.mLayersKBitStat.reset();
+	stats.mObjectKBitStat.reset();
+	stats.mTextureKBitStat.reset();
+	stats.mVFSPendingOperations.reset();
+	stats.mAssetKBitStat.reset();
+	stats.mPacketsInStat.reset();
+	stats.mPacketsLostStat.reset();
+	stats.mPacketsOutStat.reset();
+	stats.mFPSStat.reset();
+	stats.mTexturePacketsStat.reset();
+	stats.mAgentPositionSnaps.reset();
 }
 
 
@@ -401,140 +401,6 @@ void LLViewerStats::addToMessage(LLSD &body) const
 
 // *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;
 
@@ -552,16 +418,9 @@ U32     gTotalTextureBytesPerBoostLevel[LLViewerTexture::MAX_GL_IMAGE_CATEGORY]
 extern U32  gVisCompared;
 extern U32  gVisTested;
 
-std::map<S32,LLFrameTimer> gDebugTimers;
-std::map<S32,std::string> gDebugTimerLabel;
+LLFrameTimer gTextureTimer;
 
-void init_statistics()
-{
-	// Label debug timers
-	gDebugTimerLabel[0] = "Texture";
-}
-
-void update_statistics(U32 frame_count)
+void update_statistics()
 {
 	gTotalWorldBytes += gVLManager.getTotalBytes();
 	gTotalObjectBytes += gObjectBits / 8;
@@ -588,11 +447,7 @@ void update_statistics(U32 frame_count)
 	stats.setStat(LLViewerStats::ST_LIGHTING_DETAIL, (F64)gPipeline.getLightingDetail());
 	stats.setStat(LLViewerStats::ST_DRAW_DIST, (F64)gSavedSettings.getF32("RenderFarClip"));
 	stats.setStat(LLViewerStats::ST_CHAT_BUBBLES, (F64)gSavedSettings.getBOOL("UseChatBubbles"));
-#if 0 // 1.9.2
-	stats.setStat(LLViewerStats::ST_SHADER_OBJECTS, (F64)gSavedSettings.getS32("VertexShaderLevelObject"));
-	stats.setStat(LLViewerStats::ST_SHADER_AVATAR, (F64)gSavedSettings.getBOOL("VertexShaderLevelAvatar"));
-	stats.setStat(LLViewerStats::ST_SHADER_ENVIRONMENT, (F64)gSavedSettings.getBOOL("VertexShaderLevelEnvironment"));
-#endif
+
 	stats.setStat(LLViewerStats::ST_FRAME_SECS, gDebugView->mFastTimerView->getTime("Frame"));
 	F64 idle_secs = gDebugView->mFastTimerView->getTime("Idle");
 	F64 network_secs = gDebugView->mFastTimerView->getTime("Network");
@@ -624,11 +479,11 @@ void update_statistics(U32 frame_count)
 
 	if (LLAppViewer::getTextureFetch()->getNumRequests() == 0)
 	{
-		gDebugTimers[0].pause();
+		gTextureTimer.pause();
 	}
 	else
 	{
-		gDebugTimers[0].unpause();
+		gTextureTimer.unpause();
 	}
 	
 	{
@@ -664,7 +519,6 @@ void update_statistics(U32 frame_count)
 			texture_stats_timer.reset();
 		}
 	}
-
 }
 
 class ViewerStatsResponder : public LLHTTPClient::Responder
@@ -824,10 +678,7 @@ 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
@@ -918,13 +769,6 @@ LLSD LLViewerStats::PhaseMap::dumpPhases()
 		const std::string& phase_name = iter->first;
 		result[phase_name]["completed"] = !(iter->second.getStarted());
 		result[phase_name]["elapsed"] = iter->second.getElapsedTimeF32();
-#if 0 // global stats for each phase seem like overkill here
-		phase_stats_t::iterator stats_iter = sPhaseStats.find(phase_name);
-		if (stats_iter != sPhaseStats.end())
-		{
-			result[phase_name]["stats"] = stats_iter->second.getData();
-		}
-#endif
 	}
 	return result;
 }
diff --git a/indra/newview/llviewerstats.h b/indra/newview/llviewerstats.h
index 9a2a33fa7b..0402b82154 100644
--- a/indra/newview/llviewerstats.h
+++ b/indra/newview/llviewerstats.h
@@ -33,82 +33,82 @@
 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;
+	LLStat	mKBitStat,
+			mLayersKBitStat,
+			mObjectKBitStat,
+			mAssetKBitStat,
+			mTextureKBitStat,
+			mVFSPendingOperations,
+			mObjectsDrawnStat,
+			mObjectsCulledStat,
+			mObjectsTestedStat,
+			mObjectsComparedStat,
+			mObjectsOccludedStat,
+			mFPSStat,
+			mPacketsInStat,
+			mPacketsLostStat,
+			mPacketsOutStat,
+			mPacketsLostPercentStat,
+			mTexturePacketsStat,
+			mActualInKBitStat,	// From the packet ring (when faking a bad connection)
+			mActualOutKBitStat,	// From the packet ring (when faking a bad connection)
+			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 mSimAgentMsec;
-	LLStat mSimImagesMsec;
-	LLStat mSimScriptMsec;
-	LLStat mSimSpareMsec;
-	LLStat mSimSleepMsec;
-	LLStat mSimPumpIOMsec;
-
-	LLStat mSimMainAgents;
-	LLStat mSimChildAgents;
-	LLStat mSimObjects;
-	LLStat mSimActiveObjects;
-	LLStat mSimActiveScripts;
-
-	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;
+	LLStat	mSimTimeDilation,
+
+			mSimFPS,
+			mSimPhysicsFPS,
+			mSimAgentUPS,
+			mSimScriptEPS,
+
+			mSimFrameMsec,
+			mSimNetMsec,
+			mSimSimOtherMsec,
+			mSimSimPhysicsMsec,
+
+			mSimSimPhysicsStepMsec,
+			mSimSimPhysicsShapeUpdateMsec,
+			mSimSimPhysicsOtherMsec,
+
+			mSimAgentMsec,
+			mSimImagesMsec,
+			mSimScriptMsec,
+			mSimSpareMsec,
+			mSimSleepMsec,
+			mSimPumpIOMsec,
+
+			mSimMainAgents,
+			mSimChildAgents,
+			mSimObjects,
+			mSimActiveObjects,
+			mSimActiveScripts,
+
+			mSimInPPS,
+			mSimOutPPS,
+			mSimPendingDownloads,
+			mSimPendingUploads,
+			mSimPendingLocalUploads,
+			mSimTotalUnackedBytes,
+
+			mPhysicsPinnedTasks,
+			mPhysicsLODTasks,
+			mPhysicsMemoryAllocated,
+
+			mSimPingStat,
+
+			mNumImagesStat,
+			mNumRawImagesStat,
+			mGLTexMemStat,
+			mGLBoundMemStat,
+			mRawMemStat,
+			mFormattedMemStat,
+
+			mNumObjectsStat,
+			mNumActiveObjectsStat,
+			mNumNewObjectsStat,
+			mNumSizeCulledStat,
+			mNumVisCulledStat;
 
 	void resetStats();
 public:
@@ -177,7 +177,6 @@ public:
 		ST_COUNT = 58
 	};
 
-
 	LLViewerStats();
 	~LLViewerStats();
 
@@ -304,14 +303,10 @@ private:
 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 LLFrameTimer gTextureTimer;
 extern U32	gTotalTextureBytes;
 extern U32  gTotalObjectBytes;
 extern U32  gTotalTextureBytesPerBoostLevel[] ;
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index 6d517e48a4..ac6991d059 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -906,14 +906,6 @@ F32 LLViewerTextureList::updateImagesFetchTextures(F32 max_time)
 		}
 		min_count--;
 	}
-	//if (fetch_count == 0)
-	//{
-	//	gDebugTimers[0].pause();
-	//}
-	//else
-	//{
-	//	gDebugTimers[0].unpause();
-	//}
 	return image_op_timer.getElapsedTimeF32();
 }
 
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index bbce53bc9a..ecdf1e937e 100755
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -333,26 +333,23 @@ 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;
+			{
+				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
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++)
 	{