X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=time.c;h=edfe779bc2423876e949be48b11fb3ed354af986;hp=b145e90e2da2fe2c4fa7e44100451f5c9434fabc;hb=e97412c38bedc4f365bdf4abe1ff8f6694587a86;hpb=ada8f2350ff83c29b47720b7d2aebedef94e88f3 diff --git a/time.c b/time.c index b145e90e..edfe779b 100644 --- a/time.c +++ b/time.c @@ -3,15 +3,32 @@ #include "fio.h" -static struct timeval genesis; +static struct timespec genesis; static unsigned long ns_granularity; +void timespec_add_msec(struct timespec *ts, unsigned int msec) +{ + unsigned long adj_nsec = 1000000 * msec; + + ts->tv_nsec += adj_nsec; + if (adj_nsec >= 1000000000) { + unsigned long adj_sec = adj_nsec / 1000000000UL; + + ts->tv_nsec -= adj_sec * 1000000000UL; + ts->tv_sec += adj_sec; + } + if (ts->tv_nsec >= 1000000000UL){ + ts->tv_nsec -= 1000000000UL; + ts->tv_sec++; + } +} + /* * busy looping version for the last few usec */ uint64_t usec_spin(unsigned int usec) { - struct timeval start; + struct timespec start; uint64_t t; fio_gettime(&start, NULL); @@ -24,7 +41,7 @@ uint64_t usec_spin(unsigned int usec) uint64_t usec_sleep(struct thread_data *td, unsigned long usec) { struct timespec req; - struct timeval tv; + struct timespec tv; uint64_t t = 0; do { @@ -75,7 +92,7 @@ uint64_t utime_since_genesis(void) return utime_since_now(&genesis); } -int in_ramp_time(struct thread_data *td) +bool in_ramp_time(struct thread_data *td) { return td->o.ramp_time && !td->ramp_time_over; } @@ -92,23 +109,20 @@ static void parent_update_ramp(struct thread_data *td) td_set_runstate(parent, TD_RAMP); } -int ramp_time_over(struct thread_data *td) +bool ramp_time_over(struct thread_data *td) { - struct timeval tv; - if (!td->o.ramp_time || td->ramp_time_over) - return 1; + return true; - fio_gettime(&tv, NULL); - if (utime_since(&td->epoch, &tv) >= td->o.ramp_time) { + if (utime_since_now(&td->epoch) >= td->o.ramp_time) { td->ramp_time_over = 1; reset_all_stats(td); td_set_runstate(td, TD_RAMP); parent_update_ramp(td); - return 1; + return true; } - return 0; + return false; } void fio_time_init(void) @@ -121,8 +135,7 @@ void fio_time_init(void) * Check the granularity of the nanosleep function */ for (i = 0; i < 10; i++) { - struct timeval tv; - struct timespec ts; + struct timespec tv, ts; unsigned long elapsed; fio_gettime(&tv, NULL); @@ -142,7 +155,18 @@ void set_genesis_time(void) fio_gettime(&genesis, NULL); } -void fill_start_time(struct timeval *t) +void set_epoch_time(struct thread_data *td, int log_unix_epoch) +{ + fio_gettime(&td->epoch, NULL); + if (log_unix_epoch) { + struct timeval tv; + gettimeofday(&tv, NULL); + td->unix_epoch = (unsigned long long)(tv.tv_sec) * 1000 + + (unsigned long long)(tv.tv_usec) / 1000; + } +} + +void fill_start_time(struct timespec *t) { memcpy(t, &genesis, sizeof(genesis)); }