Re: [PATCH 8/9] selftests: timers: clocksource-switch: add 'runtime' command line parameter

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On Wed, Jul 13, 2022 at 1:46 PM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> So the user can decide how long the test should run.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> ---
>  tools/testing/selftests/timers/clocksource-switch.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/tools/testing/selftests/timers/clocksource-switch.c b/tools/testing/selftests/timers/clocksource-switch.c
> index 5256e6215980..a1d0d33738b6 100644
> --- a/tools/testing/selftests/timers/clocksource-switch.c
> +++ b/tools/testing/selftests/timers/clocksource-switch.c
> @@ -124,14 +124,18 @@ int main(int argc, char **argv)
>         char orig_clk[512];
>         int count, i, status, opt;
>         int do_sanity_check = 1;
> +       int runtime = 60;
>         pid_t pid;
>
>         /* Process arguments */
> -       while ((opt = getopt(argc, argv, "s")) != -1) {
> +       while ((opt = getopt(argc, argv, "st:")) != -1) {
>                 switch (opt) {
>                 case 's':
>                         do_sanity_check = 0;
>                         break;
> +               case 't':
> +                       runtime = atoi(optarg);
> +                       break;
>                 default:
>                         printf("Usage: %s [-s]\n", argv[0]);
>                         printf("        -s: skip sanity checks\n");

Ah, one minor nit:  Should the -t option get documented here in the
usage output?

thanks again!
-john



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