From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Tvrtko Ursulin Date: Thu, 18 Jun 2020 11:47:39 +0100 Message-Id: <20200618104747.24005-3-tvrtko.ursulin@linux.intel.com> In-Reply-To: <20200618104747.24005-1-tvrtko.ursulin@linux.intel.com> References: <20200618104747.24005-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Subject: [igt-dev] [PATCH i-g-t 03/11] gem_wsim: Show workload timing stats List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" To: igt-dev@lists.freedesktop.org Cc: Intel-gfx@lists.freedesktop.org, Tvrtko Ursulin List-ID: From: Tvrtko Ursulin Show average/min/max workload iteration and dropped period stats when 'p' command is used. Signed-off-by: Tvrtko Ursulin --- benchmarks/gem_wsim.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/benchmarks/gem_wsim.c b/benchmarks/gem_wsim.c index dc47470c621d..dd0b2e260a5a 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'); } -- 2.20.1 _______________________________________________ igt-dev mailing list igt-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/igt-dev