X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=stat.c;h=8c41914446ce610f4dcfb6d67ae4535ebf6255c0;hp=6d8d4d06748291601056269f8d14832f42e76de5;hb=a47591e4923fb8faef18e1cd5125a50429282089;hpb=604577f1329b617d724d6712868d344a5adf5251 diff --git a/stat.c b/stat.c index 6d8d4d06..8c419144 100644 --- a/stat.c +++ b/stat.c @@ -1862,13 +1862,21 @@ static void __add_log_sample(struct io_log *iolog, unsigned long val, iolog->avg_last = t; if (iolog->nr_samples == iolog->max_samples) { - size_t new_size; + size_t new_size, new_samples; void *new_log; - new_size = 2 * iolog->max_samples * log_entry_sz(iolog); + if (!iolog->max_samples) + new_samples = DEF_LOG_ENTRIES; + else + new_samples = iolog->max_samples * 2; + + new_size = new_samples * log_entry_sz(iolog); if (iolog->log_gz && (new_size > iolog->log_gz)) { - if (iolog_flush(iolog, 0)) { + if (!iolog->log) { + iolog->log = malloc(new_size); + iolog->max_samples = new_samples; + } else if (iolog_flush(iolog, 0)) { log_err("fio: failed flushing iolog! Will stop logging.\n"); iolog->disabled = 1; return; @@ -1882,7 +1890,7 @@ static void __add_log_sample(struct io_log *iolog, unsigned long val, return; } iolog->log = new_log; - iolog->max_samples <<= 1; + iolog->max_samples = new_samples; } } @@ -2013,21 +2021,21 @@ static void add_log_sample(struct thread_data *td, struct io_log *iolog, iolog->avg_last = elapsed; } -void finalize_logs(struct thread_data *td) +void finalize_logs(struct thread_data *td, bool unit_logs) { unsigned long elapsed; elapsed = mtime_since_now(&td->epoch); - if (td->clat_log) + if (td->clat_log && unit_logs) _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0); - if (td->slat_log) + if (td->slat_log && unit_logs) _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0); - if (td->lat_log) + if (td->lat_log && unit_logs) _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0); - if (td->bw_log) + if (td->bw_log && (unit_logs == per_unit_log(td->bw_log))) _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0); - if (td->iops_log) + if (td->iops_log && (unit_logs == per_unit_log(td->iops_log))) _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0); } @@ -2056,9 +2064,6 @@ void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, { struct thread_stat *ts = &td->ts; - if (!ddir_rw(ddir)) - return; - td_io_u_lock(td); add_stat_sample(&ts->clat_stat[ddir], usec); @@ -2108,18 +2113,41 @@ void add_lat_sample(struct thread_data *td, enum fio_ddir ddir, td_io_u_unlock(td); } -void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs, - struct timeval *t) +void add_bw_sample(struct thread_data *td, struct io_u *io_u, + unsigned int bytes, unsigned long spent) +{ + struct thread_stat *ts = &td->ts; + unsigned long rate; + + if (spent) + rate = bytes * 1000 / spent; + else + rate = 0; + + td_io_u_lock(td); + + add_stat_sample(&ts->bw_stat[io_u->ddir], rate); + + if (td->bw_log) + add_log_sample(td, td->bw_log, rate, io_u->ddir, bytes, io_u->offset); + + td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir]; + td_io_u_unlock(td); +} + +static int add_bw_samples(struct thread_data *td, struct timeval *t) { struct thread_stat *ts = &td->ts; unsigned long spent, rate; + enum fio_ddir ddir; - if (!ddir_rw(ddir)) - return; + if (per_unit_log(td->bw_log)) + return 0; spent = mtime_since(&td->bw_sample_time, t); - if (spent < td->o.bw_avg_time) - return; + if (spent < td->o.bw_avg_time && + td->o.bw_avg_time - spent >= 10) + return td->o.bw_avg_time - spent; td_io_u_lock(td); @@ -2141,27 +2169,50 @@ void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs, add_stat_sample(&ts->bw_stat[ddir], rate); if (td->bw_log) - add_log_sample(td, td->bw_log, rate, ddir, bs, 0); + add_log_sample(td, td->bw_log, rate, ddir, 0, 0); td->stat_io_bytes[ddir] = td->this_io_bytes[ddir]; } - fio_gettime(&td->bw_sample_time, NULL); + timeval_add_msec(&td->bw_sample_time, td->o.bw_avg_time); + + td_io_u_unlock(td); + + if (spent <= td->o.bw_avg_time) + return td->o.bw_avg_time; + + return td->o.bw_avg_time - (1 + spent - td->o.bw_avg_time); +} + +void add_iops_sample(struct thread_data *td, struct io_u *io_u, + unsigned int bytes) +{ + struct thread_stat *ts = &td->ts; + + td_io_u_lock(td); + + add_stat_sample(&ts->iops_stat[io_u->ddir], 1); + + if (td->iops_log) + add_log_sample(td, td->iops_log, 1, io_u->ddir, bytes, io_u->offset); + + td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir]; td_io_u_unlock(td); } -void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs, - struct timeval *t) +static int add_iops_samples(struct thread_data *td, struct timeval *t) { struct thread_stat *ts = &td->ts; unsigned long spent, iops; + enum fio_ddir ddir; - if (!ddir_rw(ddir)) - return; + if (per_unit_log(td->iops_log)) + return 0; spent = mtime_since(&td->iops_sample_time, t); - if (spent < td->o.iops_avg_time) - return; + if (spent < td->o.iops_avg_time && + td->o.iops_avg_time - spent >= 10) + return td->o.iops_avg_time - spent; td_io_u_lock(td); @@ -2183,13 +2234,53 @@ void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs add_stat_sample(&ts->iops_stat[ddir], iops); if (td->iops_log) - add_log_sample(td, td->iops_log, iops, ddir, bs, 0); + add_log_sample(td, td->iops_log, iops, ddir, 0, 0); td->stat_io_blocks[ddir] = td->this_io_blocks[ddir]; } - fio_gettime(&td->iops_sample_time, NULL); + timeval_add_msec(&td->iops_sample_time, td->o.iops_avg_time); + td_io_u_unlock(td); + + if (spent <= td->o.iops_avg_time) + return td->o.iops_avg_time; + + printf("%lu over\n", spent - td->o.iops_avg_time); + return td->o.iops_avg_time - (1 + spent - td->o.iops_avg_time); +} + +/* + * Returns msecs to next event + */ +int calc_log_samples(void) +{ + struct thread_data *td; + unsigned int next = ~0U, tmp; + struct timeval now; + int i; + + fio_gettime(&now, NULL); + + for_each_td(td, i) { + if (!ramp_time_over(td) || + !(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) { + next = min(td->o.iops_avg_time, td->o.bw_avg_time); + continue; + } + if (!per_unit_log(td->bw_log)) { + tmp = add_bw_samples(td, &now); + if (tmp < next) + next = tmp; + } + if (!per_unit_log(td->iops_log)) { + tmp = add_iops_samples(td, &now); + if (tmp < next) + next = tmp; + } + } + + return next == ~0U ? 0 : next; } void stat_init(void) @@ -2212,8 +2303,7 @@ void stat_exit(void) */ void show_running_run_stats(void) { - helper_do_stat = 1; - pthread_cond_signal(&helper_cond); + helper_do_stat(); } uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)