805 lines
23 KiB
C++
805 lines
23 KiB
C++
/*
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***************************************************************************************************
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**
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** profile.cpp
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**
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** Real-Time Hierarchical Profiling for Game Programming Gems 3
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**
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** by Greg Hjelstrom & Byon Garrabrant
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**
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***************************************************************************************************/
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// Credits: The Clock class was inspired by the Timer classes in
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// Ogre (www.ogre3d.org).
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#include "btQuickprof.h"
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#include "btThreads.h"
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#ifdef __CELLOS_LV2__
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#include <sys/sys_time.h>
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#include <sys/time_util.h>
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#include <stdio.h>
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#endif
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#if defined(SUNOS) || defined(__SUNOS__)
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#include <stdio.h>
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#endif
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#ifdef __APPLE__
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#include <mach/mach_time.h>
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#include <TargetConditionals.h>
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#endif
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#if defined(WIN32) || defined(_WIN32)
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#define BT_USE_WINDOWS_TIMERS
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#define WIN32_LEAN_AND_MEAN
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#define NOWINRES
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#define NOMCX
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#define NOIME
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#ifdef _XBOX
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#include <Xtl.h>
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#else //_XBOX
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#include <windows.h>
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#if WINVER < 0x0602
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#define GetTickCount64 GetTickCount
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#endif
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#endif //_XBOX
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#include <time.h>
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#else //_WIN32
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#include <sys/time.h>
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#ifdef BT_LINUX_REALTIME
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//required linking against rt (librt)
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#include <time.h>
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#endif //BT_LINUX_REALTIME
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#endif //_WIN32
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#define mymin(a, b) (a > b ? a : b)
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struct btClockData
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{
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#ifdef BT_USE_WINDOWS_TIMERS
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LARGE_INTEGER mClockFrequency;
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LONGLONG mStartTick;
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LARGE_INTEGER mStartTime;
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#else
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#ifdef __CELLOS_LV2__
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uint64_t mStartTime;
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#else
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#ifdef __APPLE__
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uint64_t mStartTimeNano;
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#endif
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struct timeval mStartTime;
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#endif
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#endif //__CELLOS_LV2__
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};
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///The btClock is a portable basic clock that measures accurate time in seconds, use for profiling.
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btClock::btClock()
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{
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m_data = new btClockData;
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#ifdef BT_USE_WINDOWS_TIMERS
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QueryPerformanceFrequency(&m_data->mClockFrequency);
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#endif
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reset();
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}
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btClock::~btClock()
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{
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delete m_data;
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}
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btClock::btClock(const btClock& other)
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{
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m_data = new btClockData;
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*m_data = *other.m_data;
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}
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btClock& btClock::operator=(const btClock& other)
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{
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*m_data = *other.m_data;
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return *this;
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}
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/// Resets the initial reference time.
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void btClock::reset()
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{
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#ifdef BT_USE_WINDOWS_TIMERS
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QueryPerformanceCounter(&m_data->mStartTime);
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m_data->mStartTick = GetTickCount64();
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#else
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#ifdef __CELLOS_LV2__
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typedef uint64_t ClockSize;
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ClockSize newTime;
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//__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
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SYS_TIMEBASE_GET(newTime);
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m_data->mStartTime = newTime;
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#else
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#ifdef __APPLE__
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m_data->mStartTimeNano = mach_absolute_time();
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#endif
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gettimeofday(&m_data->mStartTime, 0);
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#endif
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#endif
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}
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/// Returns the time in ms since the last call to reset or since
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/// the btClock was created.
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unsigned long long int btClock::getTimeMilliseconds()
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{
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#ifdef BT_USE_WINDOWS_TIMERS
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LARGE_INTEGER currentTime;
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QueryPerformanceCounter(¤tTime);
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LONGLONG elapsedTime = currentTime.QuadPart -
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m_data->mStartTime.QuadPart;
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// Compute the number of millisecond ticks elapsed.
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unsigned long msecTicks = (unsigned long)(1000 * elapsedTime /
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m_data->mClockFrequency.QuadPart);
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return msecTicks;
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#else
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#ifdef __CELLOS_LV2__
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uint64_t freq = sys_time_get_timebase_frequency();
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double dFreq = ((double)freq) / 1000.0;
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typedef uint64_t ClockSize;
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ClockSize newTime;
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SYS_TIMEBASE_GET(newTime);
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//__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
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return (unsigned long int)((double(newTime - m_data->mStartTime)) / dFreq);
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#else
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struct timeval currentTime;
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gettimeofday(¤tTime, 0);
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return (currentTime.tv_sec - m_data->mStartTime.tv_sec) * 1000 +
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(currentTime.tv_usec - m_data->mStartTime.tv_usec) / 1000;
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#endif //__CELLOS_LV2__
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#endif
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}
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/// Returns the time in us since the last call to reset or since
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/// the Clock was created.
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unsigned long long int btClock::getTimeMicroseconds()
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{
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#ifdef BT_USE_WINDOWS_TIMERS
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//see https://msdn.microsoft.com/en-us/library/windows/desktop/dn553408(v=vs.85).aspx
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LARGE_INTEGER currentTime, elapsedTime;
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QueryPerformanceCounter(¤tTime);
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elapsedTime.QuadPart = currentTime.QuadPart -
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m_data->mStartTime.QuadPart;
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elapsedTime.QuadPart *= 1000000;
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elapsedTime.QuadPart /= m_data->mClockFrequency.QuadPart;
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return (unsigned long long)elapsedTime.QuadPart;
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#else
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#ifdef __CELLOS_LV2__
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uint64_t freq = sys_time_get_timebase_frequency();
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double dFreq = ((double)freq) / 1000000.0;
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typedef uint64_t ClockSize;
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ClockSize newTime;
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//__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
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SYS_TIMEBASE_GET(newTime);
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return (unsigned long int)((double(newTime - m_data->mStartTime)) / dFreq);
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#else
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struct timeval currentTime;
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gettimeofday(¤tTime, 0);
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return (currentTime.tv_sec - m_data->mStartTime.tv_sec) * 1000000 +
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(currentTime.tv_usec - m_data->mStartTime.tv_usec);
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#endif //__CELLOS_LV2__
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#endif
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}
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unsigned long long int btClock::getTimeNanoseconds()
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{
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#ifdef BT_USE_WINDOWS_TIMERS
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//see https://msdn.microsoft.com/en-us/library/windows/desktop/dn553408(v=vs.85).aspx
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LARGE_INTEGER currentTime, elapsedTime;
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QueryPerformanceCounter(¤tTime);
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elapsedTime.QuadPart = currentTime.QuadPart -
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m_data->mStartTime.QuadPart;
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elapsedTime.QuadPart *= 1000000000;
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elapsedTime.QuadPart /= m_data->mClockFrequency.QuadPart;
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return (unsigned long long)elapsedTime.QuadPart;
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#else
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#ifdef __CELLOS_LV2__
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uint64_t freq = sys_time_get_timebase_frequency();
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double dFreq = ((double)freq) / 1e9;
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typedef uint64_t ClockSize;
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ClockSize newTime;
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//__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory");
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SYS_TIMEBASE_GET(newTime);
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return (unsigned long int)((double(newTime - m_data->mStartTime)) / dFreq);
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#else
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#ifdef __APPLE__
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uint64_t ticks = mach_absolute_time() - m_data->mStartTimeNano;
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static long double conversion = 0.0L;
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if (0.0L == conversion)
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{
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// attempt to get conversion to nanoseconds
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mach_timebase_info_data_t info;
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int err = mach_timebase_info(&info);
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if (err)
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{
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btAssert(0);
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conversion = 1.;
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}
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conversion = info.numer / info.denom;
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}
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return (ticks * conversion);
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#else //__APPLE__
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#ifdef BT_LINUX_REALTIME
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timespec ts;
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clock_gettime(CLOCK_REALTIME, &ts);
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return 1000000000 * ts.tv_sec + ts.tv_nsec;
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#else
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struct timeval currentTime;
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gettimeofday(¤tTime, 0);
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return (currentTime.tv_sec - m_data->mStartTime.tv_sec) * 1e9 +
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(currentTime.tv_usec - m_data->mStartTime.tv_usec) * 1000;
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#endif //BT_LINUX_REALTIME
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#endif //__APPLE__
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#endif //__CELLOS_LV2__
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#endif
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}
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/// Returns the time in s since the last call to reset or since
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/// the Clock was created.
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btScalar btClock::getTimeSeconds()
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{
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static const btScalar microseconds_to_seconds = btScalar(0.000001);
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return btScalar(getTimeMicroseconds()) * microseconds_to_seconds;
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}
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#ifndef BT_NO_PROFILE
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static btClock gProfileClock;
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inline void Profile_Get_Ticks(unsigned long int* ticks)
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{
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*ticks = (unsigned long int)gProfileClock.getTimeMicroseconds();
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}
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inline float Profile_Get_Tick_Rate(void)
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{
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// return 1000000.f;
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return 1000.f;
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}
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/***************************************************************************************************
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**
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** CProfileNode
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**
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***************************************************************************************************/
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/***********************************************************************************************
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* INPUT: *
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* name - pointer to a static string which is the name of this profile node *
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* parent - parent pointer *
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* *
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* WARNINGS: *
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* The name is assumed to be a static pointer, only the pointer is stored and compared for *
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* efficiency reasons. *
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*=============================================================================================*/
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CProfileNode::CProfileNode(const char* name, CProfileNode* parent) : Name(name),
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TotalCalls(0),
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TotalTime(0),
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StartTime(0),
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RecursionCounter(0),
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Parent(parent),
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Child(NULL),
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Sibling(NULL),
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m_userPtr(0)
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{
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Reset();
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}
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void CProfileNode::CleanupMemory()
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{
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delete (Child);
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Child = NULL;
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delete (Sibling);
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Sibling = NULL;
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}
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CProfileNode::~CProfileNode(void)
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{
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CleanupMemory();
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}
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/***********************************************************************************************
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* INPUT: *
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* name - static string pointer to the name of the node we are searching for *
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* *
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* WARNINGS: *
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* All profile names are assumed to be static strings so this function uses pointer compares *
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* to find the named node. *
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*=============================================================================================*/
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CProfileNode* CProfileNode::Get_Sub_Node(const char* name)
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{
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// Try to find this sub node
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CProfileNode* child = Child;
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while (child)
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{
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if (child->Name == name)
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{
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return child;
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}
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child = child->Sibling;
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}
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// We didn't find it, so add it
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CProfileNode* node = new CProfileNode(name, this);
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node->Sibling = Child;
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Child = node;
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return node;
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}
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void CProfileNode::Reset(void)
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{
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TotalCalls = 0;
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TotalTime = 0.0f;
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if (Child)
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{
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Child->Reset();
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}
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if (Sibling)
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{
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Sibling->Reset();
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}
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}
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void CProfileNode::Call(void)
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{
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TotalCalls++;
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if (RecursionCounter++ == 0)
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{
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Profile_Get_Ticks(&StartTime);
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}
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}
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bool CProfileNode::Return(void)
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{
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if (--RecursionCounter == 0 && TotalCalls != 0)
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{
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unsigned long int time;
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Profile_Get_Ticks(&time);
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time -= StartTime;
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TotalTime += (float)time / Profile_Get_Tick_Rate();
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}
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return (RecursionCounter == 0);
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}
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/***************************************************************************************************
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**
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** CProfileIterator
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**
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***************************************************************************************************/
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CProfileIterator::CProfileIterator(CProfileNode* start)
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{
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CurrentParent = start;
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CurrentChild = CurrentParent->Get_Child();
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}
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void CProfileIterator::First(void)
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{
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CurrentChild = CurrentParent->Get_Child();
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}
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void CProfileIterator::Next(void)
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{
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CurrentChild = CurrentChild->Get_Sibling();
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}
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bool CProfileIterator::Is_Done(void)
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{
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return CurrentChild == NULL;
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}
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void CProfileIterator::Enter_Child(int index)
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{
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CurrentChild = CurrentParent->Get_Child();
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while ((CurrentChild != NULL) && (index != 0))
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{
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index--;
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CurrentChild = CurrentChild->Get_Sibling();
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}
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if (CurrentChild != NULL)
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{
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CurrentParent = CurrentChild;
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CurrentChild = CurrentParent->Get_Child();
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}
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}
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void CProfileIterator::Enter_Parent(void)
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{
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if (CurrentParent->Get_Parent() != NULL)
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{
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CurrentParent = CurrentParent->Get_Parent();
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}
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CurrentChild = CurrentParent->Get_Child();
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}
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/***************************************************************************************************
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**
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** CProfileManager
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**
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***************************************************************************************************/
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CProfileNode gRoots[BT_QUICKPROF_MAX_THREAD_COUNT] = {
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL),
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CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL), CProfileNode("Root", NULL)};
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CProfileNode* gCurrentNodes[BT_QUICKPROF_MAX_THREAD_COUNT] =
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{
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&gRoots[0],
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&gRoots[1],
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&gRoots[2],
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&gRoots[3],
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&gRoots[4],
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&gRoots[5],
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&gRoots[6],
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&gRoots[7],
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&gRoots[8],
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&gRoots[9],
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&gRoots[10],
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&gRoots[11],
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&gRoots[12],
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&gRoots[13],
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&gRoots[14],
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&gRoots[15],
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&gRoots[16],
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&gRoots[17],
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&gRoots[18],
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&gRoots[19],
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&gRoots[20],
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&gRoots[21],
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&gRoots[22],
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&gRoots[23],
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&gRoots[24],
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&gRoots[25],
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&gRoots[26],
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&gRoots[27],
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&gRoots[28],
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&gRoots[29],
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&gRoots[30],
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&gRoots[31],
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&gRoots[32],
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&gRoots[33],
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&gRoots[34],
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&gRoots[35],
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&gRoots[36],
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&gRoots[37],
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&gRoots[38],
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&gRoots[39],
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&gRoots[40],
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&gRoots[41],
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&gRoots[42],
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&gRoots[43],
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&gRoots[44],
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&gRoots[45],
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&gRoots[46],
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&gRoots[47],
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&gRoots[48],
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&gRoots[49],
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&gRoots[50],
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&gRoots[51],
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&gRoots[52],
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&gRoots[53],
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&gRoots[54],
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&gRoots[55],
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&gRoots[56],
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&gRoots[57],
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&gRoots[58],
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&gRoots[59],
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&gRoots[60],
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&gRoots[61],
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&gRoots[62],
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&gRoots[63],
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};
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int CProfileManager::FrameCounter = 0;
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unsigned long int CProfileManager::ResetTime = 0;
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CProfileIterator* CProfileManager::Get_Iterator(void)
|
|
{
|
|
int threadIndex = btQuickprofGetCurrentThreadIndex2();
|
|
if ((threadIndex < 0) || threadIndex >= BT_QUICKPROF_MAX_THREAD_COUNT)
|
|
return 0;
|
|
|
|
return new CProfileIterator(&gRoots[threadIndex]);
|
|
}
|
|
|
|
void CProfileManager::CleanupMemory(void)
|
|
{
|
|
for (int i = 0; i < BT_QUICKPROF_MAX_THREAD_COUNT; i++)
|
|
{
|
|
gRoots[i].CleanupMemory();
|
|
}
|
|
}
|
|
|
|
/***********************************************************************************************
|
|
* CProfileManager::Start_Profile -- Begin a named profile *
|
|
* *
|
|
* Steps one level deeper into the tree, if a child already exists with the specified name *
|
|
* then it accumulates the profiling; otherwise a new child node is added to the profile tree. *
|
|
* *
|
|
* INPUT: *
|
|
* name - name of this profiling record *
|
|
* *
|
|
* WARNINGS: *
|
|
* The string used is assumed to be a static string; pointer compares are used throughout *
|
|
* the profiling code for efficiency. *
|
|
*=============================================================================================*/
|
|
void CProfileManager::Start_Profile(const char* name)
|
|
{
|
|
int threadIndex = btQuickprofGetCurrentThreadIndex2();
|
|
if ((threadIndex < 0) || threadIndex >= BT_QUICKPROF_MAX_THREAD_COUNT)
|
|
return;
|
|
|
|
if (name != gCurrentNodes[threadIndex]->Get_Name())
|
|
{
|
|
gCurrentNodes[threadIndex] = gCurrentNodes[threadIndex]->Get_Sub_Node(name);
|
|
}
|
|
|
|
gCurrentNodes[threadIndex]->Call();
|
|
}
|
|
|
|
/***********************************************************************************************
|
|
* CProfileManager::Stop_Profile -- Stop timing and record the results. *
|
|
*=============================================================================================*/
|
|
void CProfileManager::Stop_Profile(void)
|
|
{
|
|
int threadIndex = btQuickprofGetCurrentThreadIndex2();
|
|
if ((threadIndex < 0) || threadIndex >= BT_QUICKPROF_MAX_THREAD_COUNT)
|
|
return;
|
|
|
|
// Return will indicate whether we should back up to our parent (we may
|
|
// be profiling a recursive function)
|
|
if (gCurrentNodes[threadIndex]->Return())
|
|
{
|
|
gCurrentNodes[threadIndex] = gCurrentNodes[threadIndex]->Get_Parent();
|
|
}
|
|
}
|
|
|
|
/***********************************************************************************************
|
|
* CProfileManager::Reset -- Reset the contents of the profiling system *
|
|
* *
|
|
* This resets everything except for the tree structure. All of the timing data is reset. *
|
|
*=============================================================================================*/
|
|
void CProfileManager::Reset(void)
|
|
{
|
|
gProfileClock.reset();
|
|
int threadIndex = btQuickprofGetCurrentThreadIndex2();
|
|
if ((threadIndex < 0) || threadIndex >= BT_QUICKPROF_MAX_THREAD_COUNT)
|
|
return;
|
|
gRoots[threadIndex].Reset();
|
|
gRoots[threadIndex].Call();
|
|
FrameCounter = 0;
|
|
Profile_Get_Ticks(&ResetTime);
|
|
}
|
|
|
|
/***********************************************************************************************
|
|
* CProfileManager::Increment_Frame_Counter -- Increment the frame counter *
|
|
*=============================================================================================*/
|
|
void CProfileManager::Increment_Frame_Counter(void)
|
|
{
|
|
FrameCounter++;
|
|
}
|
|
|
|
/***********************************************************************************************
|
|
* CProfileManager::Get_Time_Since_Reset -- returns the elapsed time since last reset *
|
|
*=============================================================================================*/
|
|
float CProfileManager::Get_Time_Since_Reset(void)
|
|
{
|
|
unsigned long int time;
|
|
Profile_Get_Ticks(&time);
|
|
time -= ResetTime;
|
|
return (float)time / Profile_Get_Tick_Rate();
|
|
}
|
|
|
|
#include <stdio.h>
|
|
|
|
void CProfileManager::dumpRecursive(CProfileIterator* profileIterator, int spacing)
|
|
{
|
|
profileIterator->First();
|
|
if (profileIterator->Is_Done())
|
|
return;
|
|
|
|
float accumulated_time = 0, parent_time = profileIterator->Is_Root() ? CProfileManager::Get_Time_Since_Reset() : profileIterator->Get_Current_Parent_Total_Time();
|
|
int i;
|
|
int frames_since_reset = CProfileManager::Get_Frame_Count_Since_Reset();
|
|
for (i = 0; i < spacing; i++) printf(".");
|
|
printf("----------------------------------\n");
|
|
for (i = 0; i < spacing; i++) printf(".");
|
|
printf("Profiling: %s (total running time: %.3f ms) ---\n", profileIterator->Get_Current_Parent_Name(), parent_time);
|
|
float totalTime = 0.f;
|
|
|
|
int numChildren = 0;
|
|
|
|
for (i = 0; !profileIterator->Is_Done(); i++, profileIterator->Next())
|
|
{
|
|
numChildren++;
|
|
float current_total_time = profileIterator->Get_Current_Total_Time();
|
|
accumulated_time += current_total_time;
|
|
float fraction = parent_time > SIMD_EPSILON ? (current_total_time / parent_time) * 100 : 0.f;
|
|
{
|
|
int i;
|
|
for (i = 0; i < spacing; i++) printf(".");
|
|
}
|
|
printf("%d -- %s (%.2f %%) :: %.3f ms / frame (%d calls)\n", i, profileIterator->Get_Current_Name(), fraction, (current_total_time / (double)frames_since_reset), profileIterator->Get_Current_Total_Calls());
|
|
totalTime += current_total_time;
|
|
//recurse into children
|
|
}
|
|
|
|
if (parent_time < accumulated_time)
|
|
{
|
|
//printf("what's wrong\n");
|
|
}
|
|
for (i = 0; i < spacing; i++) printf(".");
|
|
printf("%s (%.3f %%) :: %.3f ms\n", "Unaccounted:", parent_time > SIMD_EPSILON ? ((parent_time - accumulated_time) / parent_time) * 100 : 0.f, parent_time - accumulated_time);
|
|
|
|
for (i = 0; i < numChildren; i++)
|
|
{
|
|
profileIterator->Enter_Child(i);
|
|
dumpRecursive(profileIterator, spacing + 3);
|
|
profileIterator->Enter_Parent();
|
|
}
|
|
}
|
|
|
|
void CProfileManager::dumpAll()
|
|
{
|
|
CProfileIterator* profileIterator = 0;
|
|
profileIterator = CProfileManager::Get_Iterator();
|
|
|
|
dumpRecursive(profileIterator, 0);
|
|
|
|
CProfileManager::Release_Iterator(profileIterator);
|
|
}
|
|
|
|
|
|
void btEnterProfileZoneDefault(const char* name)
|
|
{
|
|
}
|
|
void btLeaveProfileZoneDefault()
|
|
{
|
|
}
|
|
|
|
#else
|
|
void btEnterProfileZoneDefault(const char* name)
|
|
{
|
|
}
|
|
void btLeaveProfileZoneDefault()
|
|
{
|
|
}
|
|
#endif //BT_NO_PROFILE
|
|
|
|
|
|
// clang-format off
|
|
#if defined(_WIN32) && (defined(__MINGW32__) || defined(__MINGW64__))
|
|
#define BT_HAVE_TLS 1
|
|
#elif __APPLE__ && !TARGET_OS_IPHONE
|
|
// TODO: Modern versions of iOS support TLS now with updated version checking.
|
|
#define BT_HAVE_TLS 1
|
|
#elif __linux__
|
|
#define BT_HAVE_TLS 1
|
|
#elif defined(__FreeBSD__) || defined(__NetBSD__)
|
|
// TODO: At the moment disabling purposely OpenBSD, albeit tls support exists but not fully functioning
|
|
#define BT_HAVE_TLS 1
|
|
#endif
|
|
|
|
// __thread is broken on Andorid clang until r12b. See
|
|
// https://github.com/android-ndk/ndk/issues/8
|
|
#if defined(__ANDROID__) && defined(__clang__)
|
|
#if __has_include(<android/ndk-version.h>)
|
|
#include <android/ndk-version.h>
|
|
#endif // __has_include(<android/ndk-version.h>)
|
|
#if defined(__NDK_MAJOR__) && \
|
|
((__NDK_MAJOR__ < 12) || ((__NDK_MAJOR__ == 12) && (__NDK_MINOR__ < 1)))
|
|
#undef BT_HAVE_TLS
|
|
#endif
|
|
#endif // defined(__ANDROID__) && defined(__clang__)
|
|
// clang-format on
|
|
|
|
unsigned int btQuickprofGetCurrentThreadIndex2()
|
|
{
|
|
const unsigned int kNullIndex = ~0U;
|
|
|
|
#if BT_THREADSAFE
|
|
return btGetCurrentThreadIndex();
|
|
#else
|
|
#if defined(BT_HAVE_TLS)
|
|
static __thread unsigned int sThreadIndex = kNullIndex;
|
|
#elif defined(_WIN32)
|
|
__declspec(thread) static unsigned int sThreadIndex = kNullIndex;
|
|
#else
|
|
unsigned int sThreadIndex = 0;
|
|
return -1;
|
|
#endif
|
|
|
|
static int gThreadCounter = 0;
|
|
|
|
if (sThreadIndex == kNullIndex)
|
|
{
|
|
sThreadIndex = gThreadCounter++;
|
|
}
|
|
return sThreadIndex;
|
|
#endif //BT_THREADSAFE
|
|
}
|
|
|
|
static btEnterProfileZoneFunc* bts_enterFunc = btEnterProfileZoneDefault;
|
|
static btLeaveProfileZoneFunc* bts_leaveFunc = btLeaveProfileZoneDefault;
|
|
|
|
void btEnterProfileZone(const char* name)
|
|
{
|
|
(bts_enterFunc)(name);
|
|
}
|
|
void btLeaveProfileZone()
|
|
{
|
|
(bts_leaveFunc)();
|
|
}
|
|
|
|
btEnterProfileZoneFunc* btGetCurrentEnterProfileZoneFunc()
|
|
{
|
|
return bts_enterFunc;
|
|
}
|
|
btLeaveProfileZoneFunc* btGetCurrentLeaveProfileZoneFunc()
|
|
{
|
|
return bts_leaveFunc;
|
|
}
|
|
|
|
void btSetCustomEnterProfileZoneFunc(btEnterProfileZoneFunc* enterFunc)
|
|
{
|
|
bts_enterFunc = enterFunc;
|
|
}
|
|
void btSetCustomLeaveProfileZoneFunc(btLeaveProfileZoneFunc* leaveFunc)
|
|
{
|
|
bts_leaveFunc = leaveFunc;
|
|
}
|
|
|
|
CProfileSample::CProfileSample(const char* name)
|
|
{
|
|
btEnterProfileZone(name);
|
|
}
|
|
|
|
CProfileSample::~CProfileSample(void)
|
|
{
|
|
btLeaveProfileZone();
|
|
}
|