From: Tvrtko Ursulin <[email protected]>

Show average/min/max workload iteration and dropped period stats when 'p'
command is used.

Signed-off-by: Tvrtko Ursulin <[email protected]>
---
 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 9e5bfe6a36d4..60982cb73ba7 100644
--- a/benchmarks/gem_wsim.c
+++ b/benchmarks/gem_wsim.c
@@ -2101,7 +2101,8 @@ 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);
@@ -2121,12 +2122,19 @@ 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;
@@ -2280,6 +2288,9 @@ 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

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