X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=time.c;h=ee9d33fa20d1682e6da44f72edf46023587eaee1;hb=c35dd7a6ce7bed8a5345c69e7b5499c71908d21c;hp=4f1c13a08a5c6a77d07bb1fe9cc26bb4f84ba868;hpb=721938ae7fae0f6d470a7e32e177ea5dce480229;p=fio.git diff --git a/time.c b/time.c index 4f1c13a0..ee9d33fa 100644 --- a/time.c +++ b/time.c @@ -78,7 +78,7 @@ unsigned long time_since_now(struct timeval *s) /* * busy looping version for the last few usec */ -void __usec_sleep(unsigned int usec) +void usec_spin(unsigned int usec) { struct timeval start; @@ -96,7 +96,7 @@ void usec_sleep(struct thread_data *td, unsigned long usec) unsigned long ts = usec; if (usec < ns_granularity) { - __usec_sleep(usec); + usec_spin(usec); break; } @@ -122,41 +122,28 @@ void usec_sleep(struct thread_data *td, unsigned long usec) } while (!td->terminate); } -void rate_throttle(struct thread_data *td, unsigned long time_spent, - unsigned int bytes) +long rate_throttle(struct thread_data *td, unsigned long time_spent, + unsigned long bytes, enum fio_ddir ddir) { + unsigned int bs = td->o.min_bs[ddir]; unsigned long usec_cycle; - unsigned int bs; - if (!td->o.rate && !td->o.rate_iops) - return; - - if (td_rw(td)) - bs = td->o.rw_min_bs; - else if (td_read(td)) - bs = td->o.min_bs[DDIR_READ]; - else - bs = td->o.min_bs[DDIR_WRITE]; + if (!td->o.rate[ddir] && !td->o.rate_iops[ddir]) + return 0; - usec_cycle = td->rate_usec_cycle * (bytes / bs); + usec_cycle = td->rate_usec_cycle[ddir] * (bytes / bs); if (time_spent < usec_cycle) { unsigned long s = usec_cycle - time_spent; - td->rate_pending_usleep += s; - - if (td->rate_pending_usleep >= 100000) { - struct timeval t; - - fio_gettime(&t, NULL); - usec_sleep(td, td->rate_pending_usleep); - td->rate_pending_usleep -= utime_since_now(&t); - } + td->rate_pending_usleep[ddir] += s; } else { long overtime = time_spent - usec_cycle; - td->rate_pending_usleep -= overtime; + td->rate_pending_usleep[ddir] -= overtime; } + + return td->rate_pending_usleep[ddir]; } unsigned long mtime_since_genesis(void) @@ -164,6 +151,11 @@ unsigned long mtime_since_genesis(void) return mtime_since_now(&genesis); } +int in_ramp_time(struct thread_data *td) +{ + return td->o.ramp_time && !td->ramp_time_over; +} + int ramp_time_over(struct thread_data *td) { struct timeval tv; @@ -174,7 +166,8 @@ int ramp_time_over(struct thread_data *td) fio_gettime(&tv, NULL); if (mtime_since(&td->epoch, &tv) >= td->o.ramp_time * 1000) { td->ramp_time_over = 1; - memcpy(&td->start, &tv, sizeof(tv)); + reset_all_stats(td); + td_set_runstate(td, TD_RAMP); return 1; }