diff options
Diffstat (limited to 'extern/bullet2/src/LinearMath/btQuickprof.h')
| -rw-r--r-- | extern/bullet2/src/LinearMath/btQuickprof.h | 820 |
1 files changed, 233 insertions, 587 deletions
diff --git a/extern/bullet2/src/LinearMath/btQuickprof.h b/extern/bullet2/src/LinearMath/btQuickprof.h index a885967c5fa..b033940ca5c 100644 --- a/extern/bullet2/src/LinearMath/btQuickprof.h +++ b/extern/bullet2/src/LinearMath/btQuickprof.h @@ -1,20 +1,11 @@ -/* -Copyright (c) 2006 Tyler Streeter -This software is provided 'as-is', without any express or implied warranty. -In no event will the authors be held liable for any damages arising from the use of this software. -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it freely, -subject to the following restrictions: - -1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. -2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. -3. This notice may not be removed or altered from any source distribution. - -*/ - -// Please visit the project website (http://quickprof.sourceforge.net) -// for usage instructions. +/*************************************************************************************************** +** +** Real-Time Hierarchical Profiling for Game Programming Gems 3 +** +** by Greg Hjelstrom & Byon Garrabrant +** +***************************************************************************************************/ // Credits: The Clock class was inspired by the Timer classes in // Ogre (www.ogre3d.org). @@ -23,9 +14,10 @@ subject to the following restrictions: #define QUICK_PROF_H #include "btScalar.h" - -//#define USE_QUICKPROF 1 -//Don't use quickprof for now, because it contains STL. TODO: replace STL by Bullet container classes. +#include "LinearMath/btAlignedAllocator.h" +#include <new> +//To disable built-in profiling, please comment out next line +//#define BT_NO_PROFILE 1 //if you don't need btClock, you can comment next line @@ -34,678 +26,332 @@ subject to the following restrictions: #ifdef USE_BT_CLOCK #ifdef __CELLOS_LV2__ #include <sys/sys_time.h> +#include <sys/time_util.h> #include <stdio.h> -typedef uint64_t __int64; #endif #if defined (SUNOS) || defined (__SUNOS__) - #include <stdio.h> +#include <stdio.h> #endif #if defined(WIN32) || defined(_WIN32) - #define USE_WINDOWS_TIMERS - #define WIN32_LEAN_AND_MEAN - #define NOWINRES - #define NOMCX - #define NOIME +#define USE_WINDOWS_TIMERS +#define WIN32_LEAN_AND_MEAN +#define NOWINRES +#define NOMCX +#define NOIME #ifdef _XBOX - #include <Xtl.h> +#include <Xtl.h> #else - #include <windows.h> +#include <windows.h> #endif - #include <time.h> +#include <time.h> #else - #include <sys/time.h> +#include <sys/time.h> #endif #define mymin(a,b) (a > b ? a : b) -/// basic clock +///The btClock is a portable basic clock that measures accurate time in seconds, use for profiling. class btClock +{ +public: + btClock() { - public: - btClock() - { #ifdef USE_WINDOWS_TIMERS - QueryPerformanceFrequency(&mClockFrequency); + QueryPerformanceFrequency(&mClockFrequency); #endif - reset(); - } + reset(); + } - ~btClock() - { - } + ~btClock() + { + } - /// Resets the initial reference time. - void reset() - { + /// Resets the initial reference time. + void reset() + { #ifdef USE_WINDOWS_TIMERS - QueryPerformanceCounter(&mStartTime); - mStartTick = GetTickCount(); - mPrevElapsedTime = 0; + QueryPerformanceCounter(&mStartTime); + mStartTick = GetTickCount(); + mPrevElapsedTime = 0; #else #ifdef __CELLOS_LV2__ - typedef uint64_t __int64; - typedef __int64 ClockSize; - ClockSize newTime; - __asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory"); - mStartTime = newTime; + typedef uint64_t ClockSize; + ClockSize newTime; + //__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory"); + SYS_TIMEBASE_GET( newTime ); + mStartTime = newTime; #else - gettimeofday(&mStartTime, 0); + gettimeofday(&mStartTime, 0); #endif #endif - } + } - /// Returns the time in ms since the last call to reset or since - /// the btClock was created. - unsigned long int getTimeMilliseconds() - { + /// Returns the time in ms since the last call to reset or since + /// the btClock was created. + unsigned long int getTimeMilliseconds() + { #ifdef USE_WINDOWS_TIMERS - LARGE_INTEGER currentTime; - QueryPerformanceCounter(¤tTime); - LONGLONG elapsedTime = currentTime.QuadPart - - mStartTime.QuadPart; - - // Compute the number of millisecond ticks elapsed. - unsigned long msecTicks = (unsigned long)(1000 * elapsedTime / + LARGE_INTEGER currentTime; + QueryPerformanceCounter(¤tTime); + LONGLONG elapsedTime = currentTime.QuadPart - + mStartTime.QuadPart; + + // Compute the number of millisecond ticks elapsed. + unsigned long msecTicks = (unsigned long)(1000 * elapsedTime / + mClockFrequency.QuadPart); + + // Check for unexpected leaps in the Win32 performance counter. + // (This is caused by unexpected data across the PCI to ISA + // bridge, aka south bridge. See Microsoft KB274323.) + unsigned long elapsedTicks = GetTickCount() - mStartTick; + signed long msecOff = (signed long)(msecTicks - elapsedTicks); + if (msecOff < -100 || msecOff > 100) + { + // Adjust the starting time forwards. + LONGLONG msecAdjustment = mymin(msecOff * + mClockFrequency.QuadPart / 1000, elapsedTime - + mPrevElapsedTime); + mStartTime.QuadPart += msecAdjustment; + elapsedTime -= msecAdjustment; + + // Recompute the number of millisecond ticks elapsed. + msecTicks = (unsigned long)(1000 * elapsedTime / mClockFrequency.QuadPart); + } - // Check for unexpected leaps in the Win32 performance counter. - // (This is caused by unexpected data across the PCI to ISA - // bridge, aka south bridge. See Microsoft KB274323.) - unsigned long elapsedTicks = GetTickCount() - mStartTick; - signed long msecOff = (signed long)(msecTicks - elapsedTicks); - if (msecOff < -100 || msecOff > 100) - { - // Adjust the starting time forwards. - LONGLONG msecAdjustment = mymin(msecOff * - mClockFrequency.QuadPart / 1000, elapsedTime - - mPrevElapsedTime); - mStartTime.QuadPart += msecAdjustment; - elapsedTime -= msecAdjustment; - - // Recompute the number of millisecond ticks elapsed. - msecTicks = (unsigned long)(1000 * elapsedTime / - mClockFrequency.QuadPart); - } - - // Store the current elapsed time for adjustments next time. - mPrevElapsedTime = elapsedTime; - - return msecTicks; + // Store the current elapsed time for adjustments next time. + mPrevElapsedTime = elapsedTime; + + return msecTicks; #else - + #ifdef __CELLOS_LV2__ - __int64 freq=sys_time_get_timebase_frequency(); - double dFreq=((double) freq) / 1000.0; - typedef uint64_t __int64; - typedef __int64 ClockSize; - ClockSize newTime; - __asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory"); - - return (newTime-mStartTime) / dFreq; + uint64_t freq=sys_time_get_timebase_frequency(); + double dFreq=((double) freq) / 1000.0; + typedef uint64_t ClockSize; + ClockSize newTime; + SYS_TIMEBASE_GET( newTime ); + //__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory"); + + return (unsigned long int)((double(newTime-mStartTime)) / dFreq); #else - struct timeval currentTime; - gettimeofday(¤tTime, 0); - return (currentTime.tv_sec - mStartTime.tv_sec) * 1000 + - (currentTime.tv_usec - mStartTime.tv_usec) / 1000; + struct timeval currentTime; + gettimeofday(¤tTime, 0); + return (currentTime.tv_sec - mStartTime.tv_sec) * 1000 + + (currentTime.tv_usec - mStartTime.tv_usec) / 1000; #endif //__CELLOS_LV2__ #endif - } + } - /// Returns the time in us since the last call to reset or since - /// the Clock was created. - unsigned long int getTimeMicroseconds() - { + /// Returns the time in us since the last call to reset or since + /// the Clock was created. + unsigned long int getTimeMicroseconds() + { #ifdef USE_WINDOWS_TIMERS - LARGE_INTEGER currentTime; - QueryPerformanceCounter(¤tTime); - LONGLONG elapsedTime = currentTime.QuadPart - - mStartTime.QuadPart; + LARGE_INTEGER currentTime; + QueryPerformanceCounter(¤tTime); + LONGLONG elapsedTime = currentTime.QuadPart - + mStartTime.QuadPart; + + // Compute the number of millisecond ticks elapsed. + unsigned long msecTicks = (unsigned long)(1000 * elapsedTime / + mClockFrequency.QuadPart); + + // Check for unexpected leaps in the Win32 performance counter. + // (This is caused by unexpected data across the PCI to ISA + // bridge, aka south bridge. See Microsoft KB274323.) + unsigned long elapsedTicks = GetTickCount() - mStartTick; + signed long msecOff = (signed long)(msecTicks - elapsedTicks); + if (msecOff < -100 || msecOff > 100) + { + // Adjust the starting time forwards. + LONGLONG msecAdjustment = mymin(msecOff * + mClockFrequency.QuadPart / 1000, elapsedTime - + mPrevElapsedTime); + mStartTime.QuadPart += msecAdjustment; + elapsedTime -= msecAdjustment; + } - // Compute the number of millisecond ticks elapsed. - unsigned long msecTicks = (unsigned long)(1000 * elapsedTime / - mClockFrequency.QuadPart); + // Store the current elapsed time for adjustments next time. + mPrevElapsedTime = elapsedTime; - // Check for unexpected leaps in the Win32 performance counter. - // (This is caused by unexpected data across the PCI to ISA - // bridge, aka south bridge. See Microsoft KB274323.) - unsigned long elapsedTicks = GetTickCount() - mStartTick; - signed long msecOff = (signed long)(msecTicks - elapsedTicks); - if (msecOff < -100 || msecOff > 100) - { - // Adjust the starting time forwards. - LONGLONG msecAdjustment = mymin(msecOff * - mClockFrequency.QuadPart / 1000, elapsedTime - - mPrevElapsedTime); - mStartTime.QuadPart += msecAdjustment; - elapsedTime -= msecAdjustment; - } - - // Store the current elapsed time for adjustments next time. - mPrevElapsedTime = elapsedTime; - - // Convert to microseconds. - unsigned long usecTicks = (unsigned long)(1000000 * elapsedTime / - mClockFrequency.QuadPart); + // Convert to microseconds. + unsigned long usecTicks = (unsigned long)(1000000 * elapsedTime / + mClockFrequency.QuadPart); - return usecTicks; + return usecTicks; #else #ifdef __CELLOS_LV2__ - __int64 freq=sys_time_get_timebase_frequency(); - double dFreq=((double) freq)/ 1000000.0; - typedef uint64_t __int64; - typedef __int64 ClockSize; - ClockSize newTime; - __asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory"); - - return (newTime-mStartTime) / dFreq; + uint64_t freq=sys_time_get_timebase_frequency(); + double dFreq=((double) freq)/ 1000000.0; + typedef uint64_t ClockSize; + ClockSize newTime; + //__asm __volatile__( "mftb %0" : "=r" (newTime) : : "memory"); + SYS_TIMEBASE_GET( newTime ); + + return (unsigned long int)((double(newTime-mStartTime)) / dFreq); #else - struct timeval currentTime; - gettimeofday(¤tTime, 0); - return (currentTime.tv_sec - mStartTime.tv_sec) * 1000000 + - (currentTime.tv_usec - mStartTime.tv_usec); + struct timeval currentTime; + gettimeofday(¤tTime, 0); + return (currentTime.tv_sec - mStartTime.tv_sec) * 1000000 + + (currentTime.tv_usec - mStartTime.tv_usec); #endif//__CELLOS_LV2__ #endif - } + } - private: +private: #ifdef USE_WINDOWS_TIMERS - LARGE_INTEGER mClockFrequency; - DWORD mStartTick; - LONGLONG mPrevElapsedTime; - LARGE_INTEGER mStartTime; + LARGE_INTEGER mClockFrequency; + DWORD mStartTick; + LONGLONG mPrevElapsedTime; + LARGE_INTEGER mStartTime; #else #ifdef __CELLOS_LV2__ - uint64_t mStartTime; + uint64_t mStartTime; #else - struct timeval mStartTime; + struct timeval mStartTime; #endif #endif //__CELLOS_LV2__ - }; +}; #endif //USE_BT_CLOCK -#ifdef USE_QUICKPROF - -#include <iostream> -#include <fstream> -#include <string> -#include <map> +///A node in the Profile Hierarchy Tree +class CProfileNode { +public: + CProfileNode( const char * name, CProfileNode * parent ); + ~CProfileNode( void ); + CProfileNode * Get_Sub_Node( const char * name ); -namespace hidden -{ - /// A simple data structure representing a single timed block - /// of code. - struct ProfileBlock - { - ProfileBlock() - { - currentBlockStartMicroseconds = 0; - currentCycleTotalMicroseconds = 0; - lastCycleTotalMicroseconds = 0; - totalMicroseconds = 0; - } + CProfileNode * Get_Parent( void ) { return Parent; } + CProfileNode * Get_Sibling( void ) { return Sibling; } + CProfileNode * Get_Child( void ) { return Child; } - /// The starting time (in us) of the current block update. - unsigned long int currentBlockStartMicroseconds; + void CleanupMemory(); + void Reset( void ); + void Call( void ); + bool Return( void ); - /// The accumulated time (in us) spent in this block during the - /// current profiling cycle. - unsigned long int currentCycleTotalMicroseconds; + const char * Get_Name( void ) { return Name; } + int Get_Total_Calls( void ) { return TotalCalls; } + float Get_Total_Time( void ) { return TotalTime; } - /// The accumulated time (in us) spent in this block during the - /// past profiling cycle. - unsigned long int lastCycleTotalMicroseconds; +protected: - /// The total accumulated time (in us) spent in this block. - unsigned long int totalMicroseconds; - }; + const char * Name; + int TotalCalls; + float TotalTime; + unsigned long int StartTime; + int RecursionCounter; + CProfileNode * Parent; + CProfileNode * Child; + CProfileNode * Sibling; }; -/// A static class that manages timing for a set of profiling blocks. -class btProfiler +///An iterator to navigate through the tree +class CProfileIterator { public: - /// A set of ways to retrieve block timing data. - enum BlockTimingMethod - { - /// The total time spent in the block (in seconds) since the - /// profiler was initialized. - BLOCK_TOTAL_SECONDS, - - /// The total time spent in the block (in ms) since the - /// profiler was initialized. - BLOCK_TOTAL_MILLISECONDS, - - /// The total time spent in the block (in us) since the - /// profiler was initialized. - BLOCK_TOTAL_MICROSECONDS, - - /// The total time spent in the block, as a % of the total - /// elapsed time since the profiler was initialized. - BLOCK_TOTAL_PERCENT, - - /// The time spent in the block (in seconds) in the most recent - /// profiling cycle. - BLOCK_CYCLE_SECONDS, - - /// The time spent in the block (in ms) in the most recent - /// profiling cycle. - BLOCK_CYCLE_MILLISECONDS, - - /// The time spent in the block (in us) in the most recent - /// profiling cycle. - BLOCK_CYCLE_MICROSECONDS, - - /// The time spent in the block (in seconds) in the most recent - /// profiling cycle, as a % of the total cycle time. - BLOCK_CYCLE_PERCENT - }; - - /// Initializes the profiler. This must be called first. If this is - /// never called, the profiler is effectively disabled; all other - /// functions will return immediately. The first parameter - /// is the name of an output data file; if this string is not empty, - /// data will be saved on every profiling cycle; if this string is - /// empty, no data will be saved to a file. The second parameter - /// determines which timing method is used when printing data to the - /// output file. - inline static void init(const std::string outputFilename="", - BlockTimingMethod outputMethod=BLOCK_CYCLE_MILLISECONDS); - - /// Cleans up allocated memory. - inline static void destroy(); - - /// Begins timing the named block of code. - inline static void beginBlock(const std::string& name); - - /// Updates the accumulated time spent in the named block by adding - /// the elapsed time since the last call to startBlock for this block - /// name. - inline static void endBlock(const std::string& name); - - /// Returns the time spent in the named block according to the - /// given timing method. See comments on BlockTimingMethod for details. - inline static double getBlockTime(const std::string& name, - BlockTimingMethod method=BLOCK_CYCLE_MILLISECONDS); - - /// Defines the end of a profiling cycle. Use this regularly if you - /// want to generate detailed timing information. This must not be - /// called within a timing block. - inline static void endProfilingCycle(); - - /// A helper function that creates a string of statistics for - /// each timing block. This is mainly for printing an overall - /// summary to the command line. - inline static std::string createStatsString( - BlockTimingMethod method=BLOCK_TOTAL_PERCENT); - -//private: - inline btProfiler(); - - inline ~btProfiler(); - - /// Prints an error message to standard output. - inline static void printError(const std::string& msg) - { - //btAssert(0); - std::cout << "[QuickProf error] " << msg << std::endl; - } - - /// Determines whether the profiler is enabled. - static bool mEnabled; + // Access all the children of the current parent + void First(void); + void Next(void); + bool Is_Done(void); + bool Is_Root(void) { return (CurrentParent->Get_Parent() == 0); } - /// The clock used to time profile blocks. - static btClock mClock; + void Enter_Child( int index ); // Make the given child the new parent + void Enter_Largest_Child( void ); // Make the largest child the new parent + void Enter_Parent( void ); // Make the current parent's parent the new parent - /// The starting time (in us) of the current profiling cycle. - static unsigned long int mCurrentCycleStartMicroseconds; + // Access the current child + const char * Get_Current_Name( void ) { return CurrentChild->Get_Name(); } + int Get_Current_Total_Calls( void ) { return CurrentChild->Get_Total_Calls(); } + float Get_Current_Total_Time( void ) { return CurrentChild->Get_Total_Time(); } - /// The duration (in us) of the most recent profiling cycle. - static unsigned long int mLastCycleDurationMicroseconds; + // Access the current parent + const char * Get_Current_Parent_Name( void ) { return CurrentParent->Get_Name(); } + int Get_Current_Parent_Total_Calls( void ) { return CurrentParent->Get_Total_Calls(); } + float Get_Current_Parent_Total_Time( void ) { return CurrentParent->Get_Total_Time(); } - /// Internal map of named profile blocks. - static std::map<std::string, hidden::ProfileBlock*> mProfileBlocks; +protected: - /// The data file used if this feature is enabled in 'init.' - static std::ofstream mOutputFile; + CProfileNode * CurrentParent; + CProfileNode * CurrentChild; - /// Tracks whether we have begun print data to the output file. - static bool mFirstFileOutput; - - /// The method used when printing timing data to an output file. - static BlockTimingMethod mFileOutputMethod; - - /// The number of the current profiling cycle. - static unsigned long int mCycleNumber; + CProfileIterator( CProfileNode * start ); + friend class CProfileManager; }; -btProfiler::btProfiler() -{ - // This never gets called because a btProfiler instance is never - // created. -} - -btProfiler::~btProfiler() -{ - // This never gets called because a btProfiler instance is never - // created. -} - -void btProfiler::init(const std::string outputFilename, - BlockTimingMethod outputMethod) -{ - mEnabled = true; - - if (!outputFilename.empty()) - { - mOutputFile.open(outputFilename.c_str()); - } - - mFileOutputMethod = outputMethod; - - mClock.reset(); - - // Set the start time for the first cycle. - mCurrentCycleStartMicroseconds = mClock.getTimeMicroseconds(); -} - -void btProfiler::destroy() -{ - if (!mEnabled) - { - return; - } - - if (mOutputFile.is_open()) - { - mOutputFile.close(); - } - - // Destroy all ProfileBlocks. - while (!mProfileBlocks.empty()) - { - delete (*mProfileBlocks.begin()).second; - mProfileBlocks.erase(mProfileBlocks.begin()); - } -} - -void btProfiler::beginBlock(const std::string& name) -{ - if (!mEnabled) - { - return; - } - - if (name.empty()) - { - printError("Cannot allow unnamed profile blocks."); - return; - } - - hidden::ProfileBlock* block = mProfileBlocks[name]; - - if (!block) - { - // Create a new ProfileBlock. - mProfileBlocks[name] = new hidden::ProfileBlock(); - block = mProfileBlocks[name]; - } - - // We do this at the end to get more accurate results. - block->currentBlockStartMicroseconds = mClock.getTimeMicroseconds(); -} - -void btProfiler::endBlock(const std::string& name) -{ - if (!mEnabled) - { - return; - } - - // We do this at the beginning to get more accurate results. - unsigned long int endTick = mClock.getTimeMicroseconds(); - - hidden::ProfileBlock* block = mProfileBlocks[name]; - - if (!block) - { - // The named block does not exist. Print an error. - printError("The profile block named '" + name + - "' does not exist."); - return; - } - - unsigned long int blockDuration = endTick - - block->currentBlockStartMicroseconds; - block->currentCycleTotalMicroseconds += blockDuration; - block->totalMicroseconds += blockDuration; -} - -double btProfiler::getBlockTime(const std::string& name, - BlockTimingMethod method) -{ - if (!mEnabled) - { - return 0; - } - - hidden::ProfileBlock* block = mProfileBlocks[name]; - - if (!block) - { - // The named block does not exist. Print an error. - printError("The profile block named '" + name + - "' does not exist."); - return 0; - } - - double result = 0; - - switch(method) - { - case BLOCK_TOTAL_SECONDS: - result = (double)block->totalMicroseconds * (double)0.000001; - break; - case BLOCK_TOTAL_MILLISECONDS: - result = (double)block->totalMicroseconds * (double)0.001; - break; - case BLOCK_TOTAL_MICROSECONDS: - result = (double)block->totalMicroseconds; - break; - case BLOCK_TOTAL_PERCENT: - { - double timeSinceInit = (double)mClock.getTimeMicroseconds(); - if (timeSinceInit <= 0) - { - result = 0; - } - else - { - result = 100.0 * (double)block->totalMicroseconds / - timeSinceInit; - } - break; - } - case BLOCK_CYCLE_SECONDS: - result = (double)block->lastCycleTotalMicroseconds * - (double)0.000001; - break; - case BLOCK_CYCLE_MILLISECONDS: - result = (double)block->lastCycleTotalMicroseconds * - (double)0.001; - break; - case BLOCK_CYCLE_MICROSECONDS: - result = (double)block->lastCycleTotalMicroseconds; - break; - case BLOCK_CYCLE_PERCENT: - { - if (0 == mLastCycleDurationMicroseconds) - { - // We have not yet finished a cycle, so just return zero - // percent to avoid a divide by zero error. - result = 0; - } - else - { - result = 100.0 * (double)block->lastCycleTotalMicroseconds / - mLastCycleDurationMicroseconds; - } - break; - } - default: - break; - } - - return result; -} +///The Manager for the Profile system +class CProfileManager { +public: + static void Start_Profile( const char * name ); + static void Stop_Profile( void ); -void btProfiler::endProfilingCycle() -{ - if (!mEnabled) + static void CleanupMemory(void) { - return; + Root.CleanupMemory(); } - // Store the duration of the cycle that just finished. - mLastCycleDurationMicroseconds = mClock.getTimeMicroseconds() - - mCurrentCycleStartMicroseconds; + static void Reset( void ); + static void Increment_Frame_Counter( void ); + static int Get_Frame_Count_Since_Reset( void ) { return FrameCounter; } + static float Get_Time_Since_Reset( void ); - // For each block, update data for the cycle that just finished. - std::map<std::string, hidden::ProfileBlock*>::iterator iter; - for (iter = mProfileBlocks.begin(); iter != mProfileBlocks.end(); ++iter) - { - hidden::ProfileBlock* block = (*iter).second; - block->lastCycleTotalMicroseconds = - block->currentCycleTotalMicroseconds; - block->currentCycleTotalMicroseconds = 0; + static CProfileIterator * Get_Iterator( void ) + { + + return new CProfileIterator( &Root ); } + static void Release_Iterator( CProfileIterator * iterator ) { delete ( iterator); } - if (mOutputFile.is_open()) - { - // Print data to the output file. - if (mFirstFileOutput) - { - // On the first iteration, print a header line that shows the - // names of each profiling block. - mOutputFile << "#cycle, "; - - for (iter = mProfileBlocks.begin(); iter != mProfileBlocks.end(); - ++iter) - { - mOutputFile << (*iter).first << ", "; - } - - mOutputFile << std::endl; - mFirstFileOutput = false; - } - - mOutputFile << mCycleNumber << ", "; - - for (iter = mProfileBlocks.begin(); iter != mProfileBlocks.end(); - ++iter) - { - mOutputFile << getBlockTime((*iter).first, mFileOutputMethod) - << ", "; - } - - mOutputFile << std::endl; - } - - ++mCycleNumber; - mCurrentCycleStartMicroseconds = mClock.getTimeMicroseconds(); -} - -std::string btProfiler::createStatsString(BlockTimingMethod method) -{ - if (!mEnabled) - { - return ""; - } +private: + static CProfileNode Root; + static CProfileNode * CurrentNode; + static int FrameCounter; + static unsigned long int ResetTime; +}; - std::string s; - std::string suffix; - switch(method) - { - case BLOCK_TOTAL_SECONDS: - suffix = "s"; - break; - case BLOCK_TOTAL_MILLISECONDS: - suffix = "ms"; - break; - case BLOCK_TOTAL_MICROSECONDS: - suffix = "us"; - break; - case BLOCK_TOTAL_PERCENT: - { - suffix = "%"; - break; - } - case BLOCK_CYCLE_SECONDS: - suffix = "s"; - break; - case BLOCK_CYCLE_MILLISECONDS: - suffix = "ms"; - break; - case BLOCK_CYCLE_MICROSECONDS: - suffix = "us"; - break; - case BLOCK_CYCLE_PERCENT: - { - suffix = "%"; - break; - } - default: - break; +///ProfileSampleClass is a simple way to profile a function's scope +///Use the BT_PROFILE macro at the start of scope to time +class CProfileSample { +public: + CProfileSample( const char * name ) + { + CProfileManager::Start_Profile( name ); } - std::map<std::string, hidden::ProfileBlock*>::iterator iter; - for (iter = mProfileBlocks.begin(); iter != mProfileBlocks.end(); ++iter) - { - if (iter != mProfileBlocks.begin()) - { - s += "\n"; - } - - char blockTime[64]; - sprintf(blockTime, "%lf", getBlockTime((*iter).first, method)); - - s += (*iter).first; - s += ": "; - s += blockTime; - s += " "; - s += suffix; + ~CProfileSample( void ) + { + CProfileManager::Stop_Profile(); } +}; - return s; -} - +#if !defined(BT_NO_PROFILE) +#define BT_PROFILE( name ) CProfileSample __profile( name ) +#else +#define BT_PROFILE( name ) +#endif -#define BEGIN_PROFILE(a) btProfiler::beginBlock(a) -#define END_PROFILE(a) btProfiler::endBlock(a) -#else //USE_QUICKPROF -#define BEGIN_PROFILE(a) -#define END_PROFILE(a) -#endif //USE_QUICKPROF #endif //QUICK_PROF_H |