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-rw-r--r--indra/llcommon/llfasttimer_class.cpp167
1 files changed, 90 insertions, 77 deletions
diff --git a/indra/llcommon/llfasttimer_class.cpp b/indra/llcommon/llfasttimer_class.cpp
index abcaee673e..bc1ae37c2b 100644
--- a/indra/llcommon/llfasttimer_class.cpp
+++ b/indra/llcommon/llfasttimer_class.cpp
@@ -2,30 +2,25 @@
* @file llfasttimer_class.cpp
* @brief Implementation of the fast timer.
*
- * $LicenseInfo:firstyear=2004&license=viewergpl$
- *
- * Copyright (c) 2004-2007, Linden Research, Inc.
- *
+ * $LicenseInfo:firstyear=2004&license=viewerlgpl$
* Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlife.com/developers/opensource/gplv2
+ * 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.
*
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at http://secondlife.com/developers/opensource/flossexception
+ * 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.
*
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
+ * 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
*
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS."LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "linden_common.h"
@@ -114,7 +109,11 @@ static timer_tree_dfs_iterator_t end_timer_tree()
class NamedTimerFactory : public LLSingleton<NamedTimerFactory>
{
public:
- NamedTimerFactory()
+ NamedTimerFactory()
+ : mActiveTimerRoot(NULL),
+ mTimerRoot(NULL),
+ mAppTimer(NULL),
+ mRootFrameState(NULL)
{}
/*virtual */ void initSingleton()
@@ -214,9 +213,10 @@ LLFastTimer::DeclareTimer::DeclareTimer(const std::string& name)
// static
void LLFastTimer::DeclareTimer::updateCachedPointers()
{
+ DeclareTimer::LLInstanceTrackerScopedGuard guard;
// propagate frame state pointers to timer declarations
- for (DeclareTimer::instance_iter it = DeclareTimer::beginInstances();
- it != DeclareTimer::endInstances();
+ for (DeclareTimer::instance_iter it = guard.beginInstances();
+ it != guard.endInstances();
++it)
{
// update cached pointer
@@ -225,17 +225,18 @@ void LLFastTimer::DeclareTimer::updateCachedPointers()
}
//static
-#if LL_LINUX || LL_SOLARIS || ( LL_DARWIN && !(defined(__i386__) || defined(__amd64__)) )
-U64 LLFastTimer::countsPerSecond()
+#if (LL_DARWIN || LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
+U64 LLFastTimer::countsPerSecond() // counts per second for the *32-bit* timer
{
- return sClockResolution;
+ return sClockResolution >> 8;
}
-#else // windows or x86-mac
-U64 LLFastTimer::countsPerSecond()
+#else // windows or x86-mac or x86-linux or x86-solaris
+U64 LLFastTimer::countsPerSecond() // counts per second for the *32-bit* timer
{
- static U64 sCPUClockFrequency = U64(CProcessor().GetCPUFrequency(50));
+ //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 out timers, so report a lower frequency
+ // we drop the low-order byte in our timers, so report a lower frequency
return sCPUClockFrequency >> 8;
}
#endif
@@ -367,20 +368,23 @@ void LLFastTimer::NamedTimer::buildHierarchy()
if (sCurFrameIndex < 0 ) return;
// set up initial tree
- for (instance_iter it = NamedTimer::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())
+ NamedTimer::LLInstanceTrackerScopedGuard guard;
+ for (instance_iter it = guard.beginInstances();
+ it != guard.endInstances();
+ ++it)
{
- timer.setParent(timer.getFrameState().mLastCaller->mTimer);
- // no need to push up tree on first use, flag can be set spuriously
- timer.getFrameState().mMoveUpTree = false;
+ 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;
+ }
}
}
@@ -482,18 +486,21 @@ void LLFastTimer::NamedTimer::resetFrame()
F64 total_time = 0;
LLSD sd;
- for (NamedTimer::instance_iter it = NamedTimer::beginInstances();
- it != NamedTimer::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;
+ NamedTimer::LLInstanceTrackerScopedGuard guard;
+ for (NamedTimer::instance_iter it = guard.beginInstances();
+ it != guard.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;
@@ -527,21 +534,24 @@ void LLFastTimer::NamedTimer::resetFrame()
DeclareTimer::updateCachedPointers();
// reset for next frame
- for (NamedTimer::instance_iter it = NamedTimer::beginInstances();
- it != NamedTimer::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)
+ NamedTimer::LLInstanceTrackerScopedGuard guard;
+ for (NamedTimer::instance_iter it = guard.beginInstances();
+ it != guard.endInstances();
+ ++it)
{
- info.mParent = &timer.mParent->getFrameState();
+ 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();
+ }
}
}
@@ -571,20 +581,23 @@ void LLFastTimer::NamedTimer::reset()
}
// reset all history
- for (NamedTimer::instance_iter it = NamedTimer::beginInstances();
- it != NamedTimer::endInstances();
- ++it)
{
- NamedTimer& timer = *it;
- if (&timer != NamedTimerFactory::instance().getRootTimer())
+ NamedTimer::LLInstanceTrackerScopedGuard guard;
+ for (NamedTimer::instance_iter it = guard.beginInstances();
+ it != guard.endInstances();
+ ++it)
{
- timer.setParent(NamedTimerFactory::instance().getRootTimer());
+ 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);
}
-
- timer.mCountAverage = 0;
- timer.mCallAverage = 0;
- memset(timer.mCountHistory, 0, sizeof(U32) * HISTORY_NUM);
- memset(timer.mCallHistory, 0, sizeof(U32) * HISTORY_NUM);
}
sLastFrameIndex = 0;
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-01 05:00:39 +0000