diff options
| -rw-r--r-- | mysys/my_rdtsc.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/mysys/my_rdtsc.c b/mysys/my_rdtsc.c index b020e224a59..605ac20350c 100644 --- a/mysys/my_rdtsc.c +++ b/mysys/my_rdtsc.c @@ -356,9 +356,29 @@ ulonglong my_timer_microseconds(void) milliseconds. */ +#if defined(HAVE_CLOCK_GETTIME) +#if defined(CLOCK_MONOTONIC_FAST) +/* FreeBSD */ +#define MY_CLOCK_ID CLOCK_MONOTONIC_FAST +#elif defined(CLOCK_MONOTONIC_COARSE) +/* Linux */ +#define MY_CLOCK_ID CLOCK_MONOTONIC_COARSE +#elif defined(CLOCK_MONOTONIC) +/* POSIX (includes OSX) */ +#define MY_CLOCK_ID CLOCK_MONOTONIC +#elif defined(CLOCK_REALTIME) +/* Solaris (which doesn't seem to have MONOTONIC) */ +#define MY_CLOCK_ID CLOCK_REALTIME +#endif +#endif + ulonglong my_timer_milliseconds(void) { -#if defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME) +#if defined(MY_CLOCK_ID) + struct timespec tp; + clock_gettime(MY_CLOCK_ID, &tp); + return (ulonglong)tp.tv_sec * 1000 + (ulonglong)tp.tv_nsec / 1000000; +#elif defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME) /* ftime() is obsolete but maybe the platform is old */ struct timeb ft; ftime(&ft); @@ -631,7 +651,9 @@ void my_timer_init(MY_TIMER_INFO *mti) /* milliseconds */ mti->milliseconds.frequency= 1000; /* initial assumption */ -#if defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME) +#ifdef MY_CLOCK_ID + mti->milliseconds.routine= MY_TIMER_ROUTINE_CLOCK_GETTIME; +#elif defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME) mti->milliseconds.routine= MY_TIMER_ROUTINE_FTIME; #elif defined(_WIN32) mti->milliseconds.routine= MY_TIMER_ROUTINE_GETSYSTEMTIMEASFILETIME; |