Re: [PATCH 1/2] perf test: Use generic event for expand_libpfm_events()

[Ian Rogers]

On Fri, Oct 23, 2020 at 7:59 PM Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
>
> I found that the UNHALTED_CORE_CYCLES event is only available in the
> Intel machines and it makes other vendors/archs fail on the test.  As
> libpfm4 can parse the generic events like cycles, let's use them.
>
> Fixes: 40b74c30ffb9 ("perf test: Add expand cgroup event test")
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Acked-by: Ian Rogers <irogers@xxxxxxxxxx>

Thanks,
Ian

> ---
>  tools/perf/tests/expand-cgroup.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/tests/expand-cgroup.c b/tools/perf/tests/expand-cgroup.c
> index d5771e4d094f..4c59f3ae438f 100644
> --- a/tools/perf/tests/expand-cgroup.c
> +++ b/tools/perf/tests/expand-cgroup.c
> @@ -145,7 +145,7 @@ static int expand_libpfm_events(void)
>         int ret;
>         struct evlist *evlist;
>         struct rblist metric_events;
> -       const char event_str[] = "UNHALTED_CORE_CYCLES";
> +       const char event_str[] = "CYCLES";
>         struct option opt = {
>                 .value = &evlist,
>         };
> --
> 2.29.0.rc1.297.gfa9743e501-goog
>