On Thu, 3 Sep 2020, Daniel Wagner wrote:
> When the quiet option is used don't print all threads stats. The first
> thread will pause every 16 cycles for 10000us. This will show up in
> the max values for all other threads when the final results are
> printed:
>
> # signaltest -q -D 2s
> T: 0 ( 4517) P: 0 C: 3121 Min: 5 Act: 8 Avg: 8 Max: 19
> T: 1 ( 4518) P: 0 C: 3121 Min: 5 Act:10065 Avg: 639 Max: 10073
>
> We could also remove the sleep but then the system gets fully loaded
> by the test. Furthermore, we would keep the path pretty hot and that's
> not ideal if one wants to test the eratic signal behavior. So only
> consider the first thread for the stats.
>
> Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
> ---
> v2: add brackets to make it easier to read
>
> src/signaltest/signaltest.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/signaltest/signaltest.c b/src/signaltest/signaltest.c
> index 0bf075456ab6..a67eddaf8420 100644
> --- a/src/signaltest/signaltest.c
> +++ b/src/signaltest/signaltest.c
> @@ -417,7 +417,7 @@ int main(int argc, char **argv)
> pthread_kill(stat[i].thread, SIGTERM);
> if (stat[i].threadstarted) {
> pthread_join(stat[i].thread, NULL);
> - if (quiet)
> + if (quiet && (i == 0))
> print_stat(&par[i], i, 0);
> }
> if (stat[i].values)
> --
> 2.28.0
>
>
Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>
