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More reliable profiling. 

clock is the first instruction to execute on `EndTimingBlock`

Signed-off-by: Ricardo Quesada <ricardoquesada@gmail.com>
This commit is contained in:
Ricardo Quesada 2013-08-28 18:29:09 -07:00
parent c4eb6c99ab
commit 57ce406bdb
1 changed files with 4 additions and 2 deletions
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6
cocos2dx/support/CCProfiling.cpp
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@ -151,17 +151,20 @@ void ProfilingBeginTimingBlock(const char *timerName)
timer->numberOfCalls++;
// should be the last instruction in order to be more reliable
timer->_startTime = chrono::high_resolution_clock::now();
}
void ProfilingEndTimingBlock(const char *timerName)
{
// should be the 1st instruction in order to be more reliable
auto now = chrono::high_resolution_clock::now();
Profiler* p = Profiler::getInstance();
ProfilingTimer* timer = (ProfilingTimer*)p->_activeTimers->objectForKey(timerName);
CCASSERT(timer, "CCProfilingTimer not found");
auto now = chrono::high_resolution_clock::now();
int duration = chrono::duration_cast<chrono::microseconds>(now - timer->_startTime).count();
@ -170,7 +173,6 @@ void ProfilingEndTimingBlock(const char *timerName)
timer->_averageTime2 = timer->totalTime / timer->numberOfCalls;
timer->maxTime = MAX( timer->maxTime, duration);
timer->minTime = MIN( timer->minTime, duration);
}
void ProfilingResetTimingBlock(const char *timerName)