X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a01e72b3aab192e7f8a4e2f26e9cde6ecc9a94ec..b95a6ed8c41dc371f16825ebf2518737d94cdd77:/src/xbt/xbt_os_time.c diff --git a/src/xbt/xbt_os_time.c b/src/xbt/xbt_os_time.c index 6e63660a63..2819255d33 100644 --- a/src/xbt/xbt_os_time.c +++ b/src/xbt/xbt_os_time.c @@ -1,79 +1,101 @@ -/* $Id$ */ - /* xbt_os_time.c -- portable interface to time-related functions */ -/* Copyright (c) 2004-2008 The SimGrid team. All rights reserved. */ +/* Copyright (c) 2007-2010, 2012-2014. The SimGrid Team. + * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ #include "xbt/sysdep.h" -#include "xbt/xbt_os_time.h" /* this module */ +#include "xbt/xbt_os_time.h" /* this module */ #include "xbt/log.h" #include "portable.h" -#include /* floor */ - +#include /* floor */ -#ifdef WIN32 +#ifdef _XBT_WIN32 #include +#include +#endif + +//Freebsd doesn't provide this clock_gettime flag yet, because it was added too recently (after 1993) +#if defined (CLOCK_PROF) && ! defined (CLOCK_PROCESS_CPUTIME_ID) +#define CLOCK_PROCESS_CPUTIME_ID CLOCK_PROF +#endif + +#if defined(__APPLE__) && defined(__MACH__) +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include #endif -double xbt_os_time(void) { +double xbt_os_time(void) +{ #ifdef HAVE_GETTIMEOFDAY - struct timeval tv; - gettimeofday(&tv, NULL); -#elif defined(WIN32) - struct timeval tv; + struct timeval tv; + gettimeofday(&tv, NULL); +#elif defined(_XBT_WIN32) + struct timeval tv; # if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) - struct _timeb tm; + struct _timeb tm; - _ftime (&tm); + _ftime(&tm); - tv.tv_sec = tm.time; - tv.tv_usec = tm.millitm * 1000; + tv.tv_sec = tm.time; + tv.tv_usec = tm.millitm * 1000; # else - FILETIME ft; - unsigned __int64 tm; + FILETIME ft; + unsigned __int64 tm; - GetSystemTimeAsFileTime (&ft); - tm = (unsigned __int64)ft.dwHighDateTime << 32; - tm |= ft.dwLowDateTime; - tm /=10; - tm -= 11644473600000000ULL; + GetSystemTimeAsFileTime(&ft); + tm = (unsigned __int64) ft.dwHighDateTime << 32; + tm |= ft.dwLowDateTime; + tm /= 10; + tm -= 11644473600000000ULL; - tv.tv_sec = (long) (tm / 1000000L); - tv.tv_usec = (long) (tm % 1000000L); -# endif /* windows version checker */ + tv.tv_sec = (long) (tm / 1000000L); + tv.tv_usec = (long) (tm % 1000000L); +# endif /* windows version checker */ -#else /* not windows, no gettimeofday => poor resolution */ - return (double)(time(NULL)); -#endif /* HAVE_GETTIMEOFDAY? */ +#else /* not windows, no gettimeofday => poor resolution */ + return (double) (time(NULL)); +#endif /* HAVE_GETTIMEOFDAY? */ - return (double)(tv.tv_sec + tv.tv_usec / 1000000.0); + return (double) (tv.tv_sec + tv.tv_usec / 1000000.0); } -void xbt_os_sleep(double sec) { -#ifdef HAVE_USLEEP - sleep(sec); - (void)usleep( (sec - floor(sec)) * 1000000); +void xbt_os_sleep(double sec) +{ -#elif WIN32 - Sleep((floor(sec) * 1000) +((sec - floor(sec)) * 1000)); - -#else /* don't have usleep. Use select to sleep less than one second */ +#ifdef _XBT_WIN32 + Sleep((floor(sec) * 1000) + ((sec - floor(sec)) * 1000)); + +#elif HAVE_NANOSLEEP + struct timespec ts; + ts.tv_sec = sec; + ts.tv_nsec = (sec - floor(sec)) * 1e9; + nanosleep (&ts, NULL); +#else /* don't have nanosleep. Use select to sleep less than one second */ struct timeval timeout; - - timeout.tv_sec = (unsigned long)(sec); + timeout.tv_sec = (unsigned long) (sec); timeout.tv_usec = (sec - floor(sec)) * 1000000; - + select(0, NULL, NULL, NULL, &timeout); #endif } -/* TSC (tick-level) timers are said to be unreliable on SMP hosts and thus - disabled in SDL source code */ +/* TSC (tick-level) timers are said to be unreliable on SMP hosts and thus + disabled in SDL source code */ /* \defgroup XBT_sysdep All system dependency @@ -83,39 +105,362 @@ void xbt_os_sleep(double sec) { struct s_xbt_os_timer { -#ifdef HAVE_GETTIMEOFDAY - struct timeval start,stop; +#ifdef HAVE_POSIX_GETTIME + struct timespec start, stop, elapse; +#elif defined(HAVE_GETTIMEOFDAY) || defined(_XBT_WIN32) + struct timeval start, stop, elapse; #else - unsigned long int start,stop; + unsigned long int start, stop, elapse; #endif }; -xbt_os_timer_t xbt_os_timer_new(void) { - return xbt_new0(struct s_xbt_os_timer,1); +size_t xbt_os_timer_size(void){ + return sizeof(struct s_xbt_os_timer); } -void xbt_os_timer_free(xbt_os_timer_t timer) { - free (timer); + +xbt_os_timer_t xbt_os_timer_new(void) +{ + return xbt_new0(struct s_xbt_os_timer, 1); } -void xbt_os_timer_start(xbt_os_timer_t timer) { -#ifdef HAVE_GETTIMEOFDAY + +void xbt_os_timer_free(xbt_os_timer_t timer) +{ + free(timer); +} + +double xbt_os_timer_elapsed(xbt_os_timer_t timer) +{ +#ifdef HAVE_POSIX_GETTIME + return ((double) timer->stop.tv_sec) - ((double) timer->start.tv_sec) + + ((double) timer->elapse.tv_sec ) + + ((((double) timer->stop.tv_nsec) - + ((double) timer->start.tv_nsec) + ((double) timer->elapse.tv_nsec )) / 1e9); +#elif defined(HAVE_GETTIMEOFDAY) || defined(_XBT_WIN32) + return ((double) timer->stop.tv_sec) - ((double) timer->start.tv_sec) + + ((double) timer->elapse.tv_sec ) + + ((((double) timer->stop.tv_usec) - + ((double) timer->start.tv_usec) + ((double) timer->elapse.tv_usec )) / 1000000.0); +#else + return (double) timer->stop - (double) timer->start + (double) + timer->elapse; +#endif +} + +void xbt_os_walltimer_start(xbt_os_timer_t timer) +{ +#ifdef HAVE_POSIX_GETTIME + timer->elapse.tv_sec = 0; + timer->elapse.tv_nsec = 0; + clock_gettime(CLOCK_REALTIME, &(timer->start)); +#elif defined(HAVE_GETTIMEOFDAY) + timer->elapse.tv_sec = 0; + timer->elapse.tv_usec = 0; + gettimeofday(&(timer->start), NULL); +#elif defined(_XBT_WIN32) + timer->elapse.tv_sec = 0; + timer->elapse.tv_usec = 0; +# if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) + struct _timeb tm; + + _ftime(&tm); + + timer->start.tv_sec = tm.time; + timer->start.tv_usec = tm.millitm * 1000; + +# else + FILETIME ft; + unsigned __int64 tm; + + GetSystemTimeAsFileTime(&ft); + tm = (unsigned __int64) ft.dwHighDateTime << 32; + tm |= ft.dwLowDateTime; + tm /= 10; + tm -= 11644473600000000ULL; + + timer->start.tv_sec = (long) (tm / 1000000L); + timer->start.tv_usec = (long) (tm % 1000000L); +# endif /* windows version checker */ +#else + timer->elapse = 0; + timer->start = (unsigned long int) (time(NULL)); +#endif +} + +void xbt_os_walltimer_resume(xbt_os_timer_t timer) +{ +#ifdef HAVE_POSIX_GETTIME + timer->elapse.tv_sec += timer->stop.tv_sec - timer->start.tv_sec; + + timer->elapse.tv_nsec += timer->stop.tv_nsec - timer->start.tv_nsec; + clock_gettime(CLOCK_REALTIME, &(timer->start)); +#elif defined(HAVE_GETTIMEOFDAY) + timer->elapse.tv_sec += timer->stop.tv_sec - timer->start.tv_sec; + timer->elapse.tv_usec += timer->stop.tv_usec - timer->start.tv_usec; gettimeofday(&(timer->start), NULL); -#else - timer->start = (unsigned long int)(time(NULL)); +#elif defined(_XBT_WIN32) + timer->elapse.tv_sec += timer->stop.tv_sec - timer->start.tv_sec; + timer->elapse.tv_usec += timer->stop.tv_usec - timer->start.tv_usec; +# if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) + struct _timeb tm; + + _ftime(&tm); + + timer->start.tv_sec = tm.time; + timer->start.tv_usec = tm.millitm * 1000; + +# else + FILETIME ft; + unsigned __int64 tm; + + GetSystemTimeAsFileTime(&ft); + tm = (unsigned __int64) ft.dwHighDateTime << 32; + tm |= ft.dwLowDateTime; + tm /= 10; + tm -= 11644473600000000ULL; + + timer->start.tv_sec = (long) (tm / 1000000L); + timer->start.tv_usec = (long) (tm % 1000000L); +# endif +#else + timer->elapse = timer->stop - timer->start; + timer->start = (unsigned long int) (time(NULL)); #endif } -void xbt_os_timer_stop(xbt_os_timer_t timer) { -#ifdef HAVE_GETTIMEOFDAY + +void xbt_os_walltimer_stop(xbt_os_timer_t timer) +{ +#ifdef HAVE_POSIX_GETTIME + clock_gettime(CLOCK_REALTIME, &(timer->stop)); +#elif defined(HAVE_GETTIMEOFDAY) + gettimeofday(&(timer->stop), NULL); +#elif defined(_XBT_WIN32) +# if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) + struct _timeb tm; + + _ftime(&tm); + + timer->stop.tv_sec = tm.time; + timer->stop.tv_usec = tm.millitm * 1000; + +# else + FILETIME ft; + unsigned __int64 tm; + + GetSystemTimeAsFileTime(&ft); + tm = (unsigned __int64) ft.dwHighDateTime << 32; + tm |= ft.dwLowDateTime; + tm /= 10; + tm -= 11644473600000000ULL; + + timer->stop.tv_sec = (long) (tm / 1000000L); + timer->stop.tv_usec = (long) (tm % 1000000L); +# endif +#else + timer->stop = (unsigned long int) (time(NULL)); +#endif +} + +void xbt_os_cputimer_start(xbt_os_timer_t timer) +{ +#ifdef HAVE_POSIX_GETTIME + timer->elapse.tv_sec = 0; + timer->elapse.tv_nsec = 0; + clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &(timer->start)); +#elif defined(HAVE_GETTIMEOFDAY)//return time and not cputime in this case + timer->elapse.tv_sec = 0; + timer->elapse.tv_usec = 0; + gettimeofday(&(timer->start), NULL); +#elif defined(_XBT_WIN32) + timer->elapse.tv_sec = 0; + timer->elapse.tv_usec = 0; +# if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) + THROW_UNIMPLEMENTED; +# else + HANDLE h = GetCurrentProcess(); + FILETIME creationTime, exitTime, kernelTime, userTime; + GetProcessTimes(h, &creationTime, &exitTime, &kernelTime, &userTime); + unsigned __int64 ktm, utm; + ktm = (unsigned __int64) kernelTime.dwHighDateTime << 32; + ktm |= kernelTime.dwLowDateTime; + ktm /= 10; + utm = (unsigned __int64) userTime.dwHighDateTime << 32; + utm |= userTime.dwLowDateTime; + utm /= 10; + timer->start.tv_sec = (long) (ktm / 1000000L) + (long) (utm / 1000000L); + timer->start.tv_usec = (long) (ktm % 1000000L) + (long) (utm % 1000000L); +# endif /* windows version checker */ +#endif +} + +void xbt_os_cputimer_resume(xbt_os_timer_t timer) +{ +#ifdef HAVE_POSIX_GETTIME + timer->elapse.tv_sec += timer->stop.tv_sec - timer->start.tv_sec; + timer->elapse.tv_nsec += timer->stop.tv_nsec - timer->start.tv_nsec; + clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &(timer->start)); +#elif defined(HAVE_GETTIMEOFDAY) + timer->elapse.tv_sec += timer->stop.tv_sec - timer->start.tv_sec; + timer->elapse.tv_usec += timer->stop.tv_usec - timer->start.tv_usec; + gettimeofday(&(timer->start), NULL); +#elif defined(_XBT_WIN32) + timer->elapse.tv_sec += timer->stop.tv_sec - timer->start.tv_sec; + timer->elapse.tv_usec += timer->stop.tv_usec - timer->start.tv_usec; +# if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) + THROW_UNIMPLEMENTED; +# else + HANDLE h = GetCurrentProcess(); + FILETIME creationTime, exitTime, kernelTime, userTime; + GetProcessTimes(h, &creationTime, &exitTime, &kernelTime, &userTime); + unsigned __int64 ktm, utm; + ktm = (unsigned __int64) kernelTime.dwHighDateTime << 32; + ktm |= kernelTime.dwLowDateTime; + ktm /= 10; + utm = (unsigned __int64) userTime.dwHighDateTime << 32; + utm |= userTime.dwLowDateTime; + utm /= 10; + timer->start.tv_sec = (long) (ktm / 1000000L) + (long) (utm / 1000000L); + timer->start.tv_usec = (long) (ktm % 1000000L) + (long) (utm % 1000000L); +# endif /* windows version checker */ + +#endif +} + +void xbt_os_cputimer_stop(xbt_os_timer_t timer) +{ +#ifdef HAVE_POSIX_GETTIME + clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &(timer->stop)); +#elif defined(HAVE_GETTIMEOFDAY) gettimeofday(&(timer->stop), NULL); -#else - timer->stop = (unsigned long int)(time(NULL)); +#elif defined(_XBT_WIN32) +# if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) + THROW_UNIMPLEMENTED; +# else + HANDLE h = GetCurrentProcess(); + FILETIME creationTime, exitTime, kernelTime, userTime; + GetProcessTimes(h, &creationTime, &exitTime, &kernelTime, &userTime); + unsigned __int64 ktm, utm; + ktm = (unsigned __int64) kernelTime.dwHighDateTime << 32; + ktm |= kernelTime.dwLowDateTime; + ktm /= 10; + utm = (unsigned __int64) userTime.dwHighDateTime << 32; + utm |= userTime.dwLowDateTime; + utm /= 10; + timer->stop.tv_sec = (long) (ktm / 1000000L) + (long) (utm / 1000000L); + timer->stop.tv_usec = (long) (ktm % 1000000L) + (long) (utm % 1000000L); +# endif /* windows version checker */ #endif } -double xbt_os_timer_elapsed(xbt_os_timer_t timer) { -#ifdef HAVE_GETTIMEOFDAY - return ((double)timer->stop.tv_sec) - ((double)timer->start.tv_sec) + - ((((double)timer->stop.tv_usec) - ((double)timer->start.tv_usec)) / 1000000.0); -#else - return (double)timer->stop - (double)timer->start; + +void xbt_os_threadtimer_start(xbt_os_timer_t timer) +{ +#ifdef HAVE_POSIX_GETTIME + timer->elapse.tv_sec = 0; + timer->elapse.tv_nsec = 0; + clock_gettime(CLOCK_THREAD_CPUTIME_ID, &(timer->start)); +#elif defined(HAVE_GETTIMEOFDAY) && defined(__MACH__) && defined(__APPLE__)//attempt for timing of the thread on OSX + timer->elapse.tv_sec = 0; + timer->elapse.tv_usec = 0; + mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT; + thread_basic_info_data_t thi_data; + thread_basic_info_t thi = &thi_data; + thread_info(mach_thread_self(), THREAD_BASIC_INFO, (thread_info_t)thi, &count); + timer->start.tv_usec = thi->system_time.microseconds + thi->user_time.microseconds; + timer->start.tv_sec = thi->system_time.seconds + thi->user_time.seconds; +#elif defined(HAVE_GETTIMEOFDAY)//return time and not cputime in this case + timer->elapse.tv_sec = 0; + timer->elapse.tv_usec = 0; + gettimeofday(&(timer->start), NULL); +#elif defined(_XBT_WIN32) + struct timeval tv; +# if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) + THROW_UNIMPLEMENTED; +# else + HANDLE h = GetCurrentThread(); + FILETIME creationTime, exitTime, kernelTime, userTime; + GetThreadTimes(h, &creationTime, &exitTime, &kernelTime, &userTime); + unsigned __int64 ktm, utm; + ktm = (unsigned __int64) kernelTime.dwHighDateTime << 32; + ktm |= kernelTime.dwLowDateTime; + ktm /= 10; + utm = (unsigned __int64) userTime.dwHighDateTime << 32; + utm |= userTime.dwLowDateTime; + utm /= 10; + timer->start.tv_sec = (long) (ktm / 1000000L) + (long) (utm / 1000000L); + timer->start.tv_usec = (long) (ktm % 1000000L) + (long) (utm % 1000000L); +# endif /* windows version checker */ #endif } +void xbt_os_threadtimer_resume(xbt_os_timer_t timer) +{ +#ifdef HAVE_POSIX_GETTIME + timer->elapse.tv_sec += timer->stop.tv_sec - timer->start.tv_sec; + timer->elapse.tv_nsec += timer->stop.tv_nsec - timer->start.tv_nsec; + clock_gettime(CLOCK_THREAD_CPUTIME_ID, &(timer->start)); +#elif defined(HAVE_GETTIMEOFDAY) && defined(__MACH__) && defined(__APPLE__) + timer->elapse.tv_sec += timer->stop.tv_sec - timer->start.tv_sec; + timer->elapse.tv_usec += timer->stop.tv_usec - timer->start.tv_usec; + mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT; + thread_basic_info_data_t thi_data; + thread_basic_info_t thi = &thi_data; + thread_info(mach_thread_self(), THREAD_BASIC_INFO, (thread_info_t)thi, &count); + timer->start.tv_usec = thi->system_time.microseconds + thi->user_time.microseconds; + timer->start.tv_sec = thi->system_time.seconds + thi->user_time.seconds; +#elif defined(HAVE_GETTIMEOFDAY) + timer->elapse.tv_sec += timer->stop.tv_sec - timer->start.tv_sec; + timer->elapse.tv_usec += timer->stop.tv_usec - timer->start.tv_usec; + gettimeofday(&(timer->start), NULL); +#elif defined(_XBT_WIN32) + timer->elapse.tv_sec += timer->stop.tv_sec - timer->start.tv_sec; + timer->elapse.tv_usec += timer->stop.tv_usec - timer->start.tv_usec; +# if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) + THROW_UNIMPLEMENTED; +# else + HANDLE h = GetCurrentThread(); + FILETIME creationTime, exitTime, kernelTime, userTime; + GetThreadTimes(h, &creationTime, &exitTime, &kernelTime, &userTime); + unsigned __int64 ktm, utm; + ktm = (unsigned __int64) kernelTime.dwHighDateTime << 32; + ktm |= kernelTime.dwLowDateTime; + ktm /= 10; + utm = (unsigned __int64) userTime.dwHighDateTime << 32; + utm |= userTime.dwLowDateTime; + utm /= 10; + timer->start.tv_sec = (long) (ktm / 1000000L) + (long) (utm / 1000000L); + timer->start.tv_usec = (long) (ktm % 1000000L) + (long) (utm % 1000000L); +# endif /* windows version checker */ +#endif +} + +void xbt_os_threadtimer_stop(xbt_os_timer_t timer) +{ +#ifdef HAVE_POSIX_GETTIME + clock_gettime(CLOCK_THREAD_CPUTIME_ID, &(timer->stop)); +#elif defined(HAVE_GETTIMEOFDAY) && defined(__MACH__) && defined(__APPLE__) + mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT; + thread_basic_info_data_t thi_data; + thread_basic_info_t thi = &thi_data; + thread_info(mach_thread_self(), THREAD_BASIC_INFO, (thread_info_t)thi, &count); + timer->stop.tv_usec = thi->system_time.microseconds + thi->user_time.microseconds; + timer->stop.tv_sec = thi->system_time.seconds + thi->user_time.seconds; +#elif defined(HAVE_GETTIMEOFDAY)//if nothing else is available, return just time + gettimeofday(&(timer->stop), NULL); +#elif defined(_XBT_WIN32) +# if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) + THROW_UNIMPLEMENTED; +# else + HANDLE h = GetCurrentThread(); + FILETIME creationTime, exitTime, kernelTime, userTime; + GetThreadTimes(h, &creationTime, &exitTime, &kernelTime, &userTime); + unsigned __int64 ktm, utm; + ktm = (unsigned __int64) kernelTime.dwHighDateTime << 32; + ktm |= kernelTime.dwLowDateTime; + ktm /= 10; + utm = (unsigned __int64) userTime.dwHighDateTime << 32; + utm |= userTime.dwLowDateTime; + utm /= 10; + timer->stop.tv_sec = (long) (ktm / 1000000L) + (long) (utm / 1000000L); + timer->stop.tv_usec = (long) (ktm % 1000000L) + (long) (utm % 1000000L); +# endif /* windows version checker */ +#endif +}