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-rw-r--r--indra/llcommon/llfasttimer.cpp85
1 files changed, 45 insertions, 40 deletions
diff --git a/indra/llcommon/llfasttimer.cpp b/indra/llcommon/llfasttimer.cpp
index e88a5a9ed1..1b3498cce3 100644
--- a/indra/llcommon/llfasttimer.cpp
+++ b/indra/llcommon/llfasttimer.cpp
@@ -58,24 +58,27 @@ 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;
+S32 BlockTimer::sCurFrameIndex = -1;
+S32 BlockTimer::sLastFrameIndex = -1;
+U64 BlockTimer::sLastFrameTime = BlockTimer::getCPUClockCount64();
+bool BlockTimer::sPauseHistory = 0;
+bool BlockTimer::sResetHistory = 0;
+bool BlockTimer::sLog = false;
+std::string BlockTimer::sLogName = "";
+bool BlockTimer::sMetricLog = false;
#if LL_LINUX || LL_SOLARIS
-U64 BlockTimer::sClockResolution = 1000000000; // Nanosecond resolution
+U64 BlockTimer::sClockResolution = 1000000000; // Nanosecond resolution
#else
-U64 BlockTimer::sClockResolution = 1000000; // Microsecond resolution
+U64 BlockTimer::sClockResolution = 1000000; // Microsecond resolution
#endif
+LLThreadLocalPointer<CurTimerData> BlockTimer::sCurTimerData;
+
+static LLMutex* sLogLock = NULL;
+static std::queue<LLSD> sLogQueue;
+
+
// FIXME: move these declarations to the relevant modules
// helper functions
@@ -108,6 +111,7 @@ 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);
@@ -142,7 +146,7 @@ U64 BlockTimer::countsPerSecond() // counts per second for the *32-bit* timer
// 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.
+ // If we're not using RDTSC, each fast timer 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;
@@ -268,17 +272,19 @@ void BlockTimer::buildHierarchy()
// when this timer was called
if (timer.mParent == &BlockTimer::getRootTimer())
{
- if (timer.getPrimaryAccumulator().mLastCaller)
- {
- timer.setParent(timer.getPrimaryAccumulator().mLastCaller);
+ TimerTreeNode& tree_node = sCurTimerData->mTimerTreeData[timer.getIndex()];
+
+ if (tree_node.mLastCaller)
+ {
+ timer.setParent(tree_node.mLastCaller);
}
// no need to push up tree on first use, flag can be set spuriously
- timer.getPrimaryAccumulator().mMoveUpTree = false;
+ tree_node.mMoveUpTree = false;
}
}
}
- // bump timers up tree if they've been flagged as being in the wrong place
+ // bump timers up tree if they have 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());
@@ -288,15 +294,16 @@ void BlockTimer::buildHierarchy()
BlockTimer* timerp = *it;
// skip root timer
if (timerp == &BlockTimer::getRootTimer()) continue;
+ TimerTreeNode& tree_node = sCurTimerData->mTimerTreeData[timerp->getIndex()];
- if (timerp->getPrimaryAccumulator().mMoveUpTree)
+ if (tree_node.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;
+ tree_node.mMoveUpTree = false;
// don't bubble up any ancestors until descendants are done bubbling up
it.skipAncestors();
@@ -322,11 +329,11 @@ void BlockTimer::accumulateTimings()
{
U64 cur_time = getCPUClockCount64();
- // 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();
+ // walk up stack of active timers and accumulate current time while leaving timing structures active
+ Time* cur_timer = cur_data->mCurTimer;
+ TimerAccumulator& accumulator = cur_data->mTimerData->getPrimaryAccumulator();
while(cur_timer && cur_timer->mLastTimerData.mCurTimer != cur_timer)
{
U64 cumulative_time_delta = cur_time - cur_timer->mStartTime;
@@ -431,11 +438,13 @@ void BlockTimer::resetFrame()
{
BlockTimer& timer = *it;
TimerAccumulator& accumulator = timer.getPrimaryAccumulator();
+ TimerTreeNode& tree_node = sCurTimerData->mTimerTreeData[timer.getIndex()];
+
accumulator.mSelfTimeCounter = 0;
accumulator.mTotalTimeCounter = 0;
accumulator.mCalls = 0;
- accumulator.mLastCaller = NULL;
- accumulator.mMoveUpTree = false;
+ tree_node.mLastCaller = NULL;
+ tree_node.mMoveUpTree = false;
}
}
@@ -579,32 +588,28 @@ void Time::writeLog(std::ostream& os)
}
-LLTrace::TimerAccumulator::TimerAccumulator() : mSelfTimeCounter(0),
+TimerAccumulator::TimerAccumulator() : mSelfTimeCounter(0),
mTotalTimeCounter(0),
- mCalls(0),
- mLastCaller(NULL),
- mActiveCount(0),
- mMoveUpTree(false)
+ mCalls(0)
{}
-void LLTrace::TimerAccumulator::addSamples( const LLTrace::TimerAccumulator& other )
+void TimerAccumulator::addSamples( const 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 )
+void TimerAccumulator::reset( const TimerAccumulator* other )
{
mTotalTimeCounter = 0;
mSelfTimeCounter = 0;
mCalls = 0;
}
+
+TimerTreeNode::TimerTreeNode()
+: mLastCaller(NULL),
+ mActiveCount(0),
+ mMoveUpTree(false)
+{}
}