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Diffstat (limited to 'debug_tools/WatchYourStep/ptxjitplus/inc/helper_timer.h')
| -rw-r--r-- | debug_tools/WatchYourStep/ptxjitplus/inc/helper_timer.h | 499 |
1 files changed, 499 insertions, 0 deletions
diff --git a/debug_tools/WatchYourStep/ptxjitplus/inc/helper_timer.h b/debug_tools/WatchYourStep/ptxjitplus/inc/helper_timer.h new file mode 100644 index 0000000..39ddc77 --- /dev/null +++ b/debug_tools/WatchYourStep/ptxjitplus/inc/helper_timer.h @@ -0,0 +1,499 @@ +/** + * Copyright 1993-2013 NVIDIA Corporation. All rights reserved. + * + * Please refer to the NVIDIA end user license agreement (EULA) associated + * with this source code for terms and conditions that govern your use of + * this software. Any use, reproduction, disclosure, or distribution of + * this software and related documentation outside the terms of the EULA + * is strictly prohibited. + * + */ + +// Helper Timing Functions +#ifndef HELPER_TIMER_H +#define HELPER_TIMER_H + +#ifndef EXIT_WAIVED +#define EXIT_WAIVED 2 +#endif + +// includes, system +#include <vector> + +// includes, project +#include <exception.h> + +// Definition of the StopWatch Interface, this is used if we don't want to use the CUT functions +// But rather in a self contained class interface +class StopWatchInterface +{ + public: + StopWatchInterface() {}; + virtual ~StopWatchInterface() {}; + + public: + //! Start time measurement + virtual void start() = 0; + + //! Stop time measurement + virtual void stop() = 0; + + //! Reset time counters to zero + virtual void reset() = 0; + + //! Time in msec. after start. If the stop watch is still running (i.e. there + //! was no call to stop()) then the elapsed time is returned, otherwise the + //! time between the last start() and stop call is returned + virtual float getTime() = 0; + + //! Mean time to date based on the number of times the stopwatch has been + //! _stopped_ (ie finished sessions) and the current total time + virtual float getAverageTime() = 0; +}; + + +////////////////////////////////////////////////////////////////// +// Begin Stopwatch timer class definitions for all OS platforms // +////////////////////////////////////////////////////////////////// +#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) +// includes, system +#define WINDOWS_LEAN_AND_MEAN +#include <windows.h> +#undef min +#undef max + +//! Windows specific implementation of StopWatch +class StopWatchWin : public StopWatchInterface +{ + public: + //! Constructor, default + StopWatchWin() : + start_time(), end_time(), + diff_time(0.0f), total_time(0.0f), + running(false), clock_sessions(0), freq(0), freq_set(false) + { + if (! freq_set) + { + // helper variable + LARGE_INTEGER temp; + + // get the tick frequency from the OS + QueryPerformanceFrequency((LARGE_INTEGER *) &temp); + + // convert to type in which it is needed + freq = ((double) temp.QuadPart) / 1000.0; + + // rememeber query + freq_set = true; + } + }; + + // Destructor + ~StopWatchWin() { }; + + public: + //! Start time measurement + inline void start(); + + //! Stop time measurement + inline void stop(); + + //! Reset time counters to zero + inline void reset(); + + //! Time in msec. after start. If the stop watch is still running (i.e. there + //! was no call to stop()) then the elapsed time is returned, otherwise the + //! time between the last start() and stop call is returned + inline float getTime(); + + //! Mean time to date based on the number of times the stopwatch has been + //! _stopped_ (ie finished sessions) and the current total time + inline float getAverageTime(); + + private: + // member variables + + //! Start of measurement + LARGE_INTEGER start_time; + //! End of measurement + LARGE_INTEGER end_time; + + //! Time difference between the last start and stop + float diff_time; + + //! TOTAL time difference between starts and stops + float total_time; + + //! flag if the stop watch is running + bool running; + + //! Number of times clock has been started + //! and stopped to allow averaging + int clock_sessions; + + //! tick frequency + double freq; + + //! flag if the frequency has been set + bool freq_set; +}; + +// functions, inlined + +//////////////////////////////////////////////////////////////////////////////// +//! Start time measurement +//////////////////////////////////////////////////////////////////////////////// +inline void +StopWatchWin::start() +{ + QueryPerformanceCounter((LARGE_INTEGER *) &start_time); + running = true; +} + +//////////////////////////////////////////////////////////////////////////////// +//! Stop time measurement and increment add to the current diff_time summation +//! variable. Also increment the number of times this clock has been run. +//////////////////////////////////////////////////////////////////////////////// +inline void +StopWatchWin::stop() +{ + QueryPerformanceCounter((LARGE_INTEGER *) &end_time); + diff_time = (float) + (((double) end_time.QuadPart - (double) start_time.QuadPart) / freq); + + total_time += diff_time; + clock_sessions++; + running = false; +} + +//////////////////////////////////////////////////////////////////////////////// +//! Reset the timer to 0. Does not change the timer running state but does +//! recapture this point in time as the current start time if it is running. +//////////////////////////////////////////////////////////////////////////////// +inline void +StopWatchWin::reset() +{ + diff_time = 0; + total_time = 0; + clock_sessions = 0; + + if (running) + { + QueryPerformanceCounter((LARGE_INTEGER *) &start_time); + } +} + + +//////////////////////////////////////////////////////////////////////////////// +//! Time in msec. after start. If the stop watch is still running (i.e. there +//! was no call to stop()) then the elapsed time is returned added to the +//! current diff_time sum, otherwise the current summed time difference alone +//! is returned. +//////////////////////////////////////////////////////////////////////////////// +inline float +StopWatchWin::getTime() +{ + // Return the TOTAL time to date + float retval = total_time; + + if (running) + { + LARGE_INTEGER temp; + QueryPerformanceCounter((LARGE_INTEGER *) &temp); + retval += (float) + (((double)(temp.QuadPart - start_time.QuadPart)) / freq); + } + + return retval; +} + +//////////////////////////////////////////////////////////////////////////////// +//! Time in msec. for a single run based on the total number of COMPLETED runs +//! and the total time. +//////////////////////////////////////////////////////////////////////////////// +inline float +StopWatchWin::getAverageTime() +{ + return (clock_sessions > 0) ? (total_time/clock_sessions) : 0.0f; +} +#else +// Declarations for Stopwatch on Linux and Mac OSX +// includes, system +#include <ctime> +#include <sys/time.h> + +//! Windows specific implementation of StopWatch +class StopWatchLinux : public StopWatchInterface +{ + public: + //! Constructor, default + StopWatchLinux() : + start_time(), diff_time(0.0), total_time(0.0), + running(false), clock_sessions(0) + { }; + + // Destructor + virtual ~StopWatchLinux() + { }; + + public: + //! Start time measurement + inline void start(); + + //! Stop time measurement + inline void stop(); + + //! Reset time counters to zero + inline void reset(); + + //! Time in msec. after start. If the stop watch is still running (i.e. there + //! was no call to stop()) then the elapsed time is returned, otherwise the + //! time between the last start() and stop call is returned + inline float getTime(); + + //! Mean time to date based on the number of times the stopwatch has been + //! _stopped_ (ie finished sessions) and the current total time + inline float getAverageTime(); + + private: + + // helper functions + + //! Get difference between start time and current time + inline float getDiffTime(); + + private: + + // member variables + + //! Start of measurement + struct timeval start_time; + + //! Time difference between the last start and stop + float diff_time; + + //! TOTAL time difference between starts and stops + float total_time; + + //! flag if the stop watch is running + bool running; + + //! Number of times clock has been started + //! and stopped to allow averaging + int clock_sessions; +}; + +// functions, inlined + +//////////////////////////////////////////////////////////////////////////////// +//! Start time measurement +//////////////////////////////////////////////////////////////////////////////// +inline void +StopWatchLinux::start() +{ + gettimeofday(&start_time, 0); + running = true; +} + +//////////////////////////////////////////////////////////////////////////////// +//! Stop time measurement and increment add to the current diff_time summation +//! variable. Also increment the number of times this clock has been run. +//////////////////////////////////////////////////////////////////////////////// +inline void +StopWatchLinux::stop() +{ + diff_time = getDiffTime(); + total_time += diff_time; + running = false; + clock_sessions++; +} + +//////////////////////////////////////////////////////////////////////////////// +//! Reset the timer to 0. Does not change the timer running state but does +//! recapture this point in time as the current start time if it is running. +//////////////////////////////////////////////////////////////////////////////// +inline void +StopWatchLinux::reset() +{ + diff_time = 0; + total_time = 0; + clock_sessions = 0; + + if (running) + { + gettimeofday(&start_time, 0); + } +} + +//////////////////////////////////////////////////////////////////////////////// +//! Time in msec. after start. If the stop watch is still running (i.e. there +//! was no call to stop()) then the elapsed time is returned added to the +//! current diff_time sum, otherwise the current summed time difference alone +//! is returned. +//////////////////////////////////////////////////////////////////////////////// +inline float +StopWatchLinux::getTime() +{ + // Return the TOTAL time to date + float retval = total_time; + + if (running) + { + retval += getDiffTime(); + } + + return retval; +} + +//////////////////////////////////////////////////////////////////////////////// +//! Time in msec. for a single run based on the total number of COMPLETED runs +//! and the total time. +//////////////////////////////////////////////////////////////////////////////// +inline float +StopWatchLinux::getAverageTime() +{ + return (clock_sessions > 0) ? (total_time/clock_sessions) : 0.0f; +} +//////////////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////////////// +inline float +StopWatchLinux::getDiffTime() +{ + struct timeval t_time; + gettimeofday(&t_time, 0); + + // time difference in milli-seconds + return (float)(1000.0 * (t_time.tv_sec - start_time.tv_sec) + + (0.001 * (t_time.tv_usec - start_time.tv_usec))); +} +#endif // WIN32 + +//////////////////////////////////////////////////////////////////////////////// +//! Timer functionality exported + +//////////////////////////////////////////////////////////////////////////////// +//! Create a new timer +//! @return true if a time has been created, otherwise false +//! @param name of the new timer, 0 if the creation failed +//////////////////////////////////////////////////////////////////////////////// +inline bool +sdkCreateTimer(StopWatchInterface **timer_interface) +{ + //printf("sdkCreateTimer called object %08x\n", (void *)*timer_interface); +#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) + *timer_interface = (StopWatchInterface *)new StopWatchWin(); +#else + *timer_interface = (StopWatchInterface *)new StopWatchLinux(); +#endif + return (*timer_interface != NULL) ? true : false; +} + + +//////////////////////////////////////////////////////////////////////////////// +//! Delete a timer +//! @return true if a time has been deleted, otherwise false +//! @param name of the timer to delete +//////////////////////////////////////////////////////////////////////////////// +inline bool +sdkDeleteTimer(StopWatchInterface **timer_interface) +{ + //printf("sdkDeleteTimer called object %08x\n", (void *)*timer_interface); + if (*timer_interface) + { + delete *timer_interface; + *timer_interface = NULL; + } + + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +//! Start the time with name \a name +//! @param name name of the timer to start +//////////////////////////////////////////////////////////////////////////////// +inline bool +sdkStartTimer(StopWatchInterface **timer_interface) +{ + //printf("sdkStartTimer called object %08x\n", (void *)*timer_interface); + if (*timer_interface) + { + (*timer_interface)->start(); + } + + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +//! Stop the time with name \a name. Does not reset. +//! @param name name of the timer to stop +//////////////////////////////////////////////////////////////////////////////// +inline bool +sdkStopTimer(StopWatchInterface **timer_interface) +{ + // printf("sdkStopTimer called object %08x\n", (void *)*timer_interface); + if (*timer_interface) + { + (*timer_interface)->stop(); + } + + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +//! Resets the timer's counter. +//! @param name name of the timer to reset. +//////////////////////////////////////////////////////////////////////////////// +inline bool +sdkResetTimer(StopWatchInterface **timer_interface) +{ + // printf("sdkResetTimer called object %08x\n", (void *)*timer_interface); + if (*timer_interface) + { + (*timer_interface)->reset(); + } + + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +//! Return the average time for timer execution as the total time +//! for the timer dividied by the number of completed (stopped) runs the timer +//! has made. +//! Excludes the current running time if the timer is currently running. +//! @param name name of the timer to return the time of +//////////////////////////////////////////////////////////////////////////////// +inline float +sdkGetAverageTimerValue(StopWatchInterface **timer_interface) +{ + // printf("sdkGetAverageTimerValue called object %08x\n", (void *)*timer_interface); + if (*timer_interface) + { + return (*timer_interface)->getAverageTime(); + } + else + { + return 0.0f; + } +} + +//////////////////////////////////////////////////////////////////////////////// +//! Total execution time for the timer over all runs since the last reset +//! or timer creation. +//! @param name name of the timer to obtain the value of. +//////////////////////////////////////////////////////////////////////////////// +inline float +sdkGetTimerValue(StopWatchInterface **timer_interface) +{ + // printf("sdkGetTimerValue called object %08x\n", (void *)*timer_interface); + if (*timer_interface) + { + return (*timer_interface)->getTime(); + } + else + { + return 0.0f; + } +} + +#endif // HELPER_TIMER_H |