diff options
| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2020-05-14 07:32:04 +0100 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2020-06-19 16:37:11 +0100 |
| commit | c874329500167bd12a94242b76523a52a1ebfe9a (patch) | |
| tree | 9ba49877961c4e0293151c7cc21968dc865313e4 /benchmarks | |
| parent | d8f1a651184c956e94fe35e87dbf772ef1e7f851 (diff) | |
gem_wsim: Show workload timing stats
Show average/min/max workload iteration and dropped period stats when 'p'
command is used.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'benchmarks')
| -rw-r--r-- | benchmarks/gem_wsim.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/benchmarks/gem_wsim.c b/benchmarks/gem_wsim.c index dc47470c..dd0b2e26 100644 --- a/benchmarks/gem_wsim.c +++ b/benchmarks/gem_wsim.c @@ -2117,7 +2117,8 @@ static void *run_workload(void *data) struct w_step *w; int throttle = -1; int qd_throttle = -1; - int count; + int count, missed = 0; + unsigned long time_tot = 0, time_min = ULONG_MAX, time_max = 0; int i; clock_gettime(CLOCK_MONOTONIC, &t_start); @@ -2137,12 +2138,19 @@ static void *run_workload(void *data) do_sleep = w->delay; } else if (w->type == PERIOD) { struct timespec now; + int elapsed; clock_gettime(CLOCK_MONOTONIC, &now); - do_sleep = w->period - - elapsed_us(&wrk->repeat_start, &now); + elapsed = elapsed_us(&wrk->repeat_start, &now); + do_sleep = w->period - elapsed; + time_tot += elapsed; + if (elapsed < time_min) + time_min = elapsed; + if (elapsed > time_max) + time_max = elapsed; if (do_sleep < 0) { - if (verbose > 1) + missed++; + if (verbose > 2) printf("%u: Dropped period @ %u/%u (%dus late)!\n", wrk->id, count, i, do_sleep); continue; @@ -2296,6 +2304,9 @@ static void *run_workload(void *data) printf("%c%u: %.3fs elapsed (%d cycles, %.3f workloads/s).", wrk->background ? ' ' : '*', wrk->id, t, count, count / t); + if (time_tot) + printf(" Time avg/min/max=%lu/%lu/%luus; %u missed.", + time_tot / count, time_min, time_max, missed); putchar('\n'); } |