X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=time.c;h=b145e90e2da2fe2c4fa7e44100451f5c9434fabc;hp=17f9f6fcd187b69feda17140ba62928d7a8f4914;hb=6efb21c218d4ec38c1a4d7dbb86f2028f122acaa;hpb=92a0daf8163eaa8d117d1e6e4fdc11a8dddac2d2 diff --git a/time.c b/time.c index 17f9f6fc..b145e90e 100644 --- a/time.c +++ b/time.c @@ -9,25 +9,29 @@ static unsigned long ns_granularity; /* * busy looping version for the last few usec */ -void usec_spin(unsigned int usec) +uint64_t usec_spin(unsigned int usec) { struct timeval start; + uint64_t t; fio_gettime(&start, NULL); - while (utime_since_now(&start) < usec) + while ((t = utime_since_now(&start)) < usec) nop; + + return t; } -void usec_sleep(struct thread_data *td, unsigned long usec) +uint64_t usec_sleep(struct thread_data *td, unsigned long usec) { struct timespec req; struct timeval tv; + uint64_t t = 0; do { unsigned long ts = usec; if (usec < ns_granularity) { - usec_spin(usec); + t += usec_spin(usec); break; } @@ -46,11 +50,19 @@ void usec_sleep(struct thread_data *td, unsigned long usec) break; ts = utime_since_now(&tv); + t += ts; if (ts >= usec) break; usec -= ts; } while (!td->terminate); + + return t; +} + +uint64_t time_since_genesis(void) +{ + return time_since_now(&genesis); } uint64_t mtime_since_genesis(void) @@ -58,11 +70,28 @@ uint64_t mtime_since_genesis(void) return mtime_since_now(&genesis); } +uint64_t utime_since_genesis(void) +{ + return utime_since_now(&genesis); +} + int in_ramp_time(struct thread_data *td) { return td->o.ramp_time && !td->ramp_time_over; } +static void parent_update_ramp(struct thread_data *td) +{ + struct thread_data *parent = td->parent; + + if (!parent || parent->ramp_time_over) + return; + + reset_all_stats(parent); + parent->ramp_time_over = 1; + td_set_runstate(parent, TD_RAMP); +} + int ramp_time_over(struct thread_data *td) { struct timeval tv; @@ -71,10 +100,11 @@ int ramp_time_over(struct thread_data *td) return 1; fio_gettime(&tv, NULL); - if (mtime_since(&td->epoch, &tv) >= td->o.ramp_time * 1000) { + if (utime_since(&td->epoch, &tv) >= 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; }