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SubjectRe: [PATCH] perf test: Reset shadow counts before loading
On Sun, Nov 28, 2021 at 12:58:10AM -0800, Ian Rogers wrote:
> Otherwise load counting is an average. Without this change
> duration_time in test_memory_bandwidth will alter its value if an
> earlier test contains duration_time.
>
> This patch fixes an issue that's introduced in the proposed patch:
> https://lore.kernel.org/lkml/20211124015226.3317994-1-irogers@google.com/
> in perf test "Parse and process metrics".
>
> Signed-off-by: Ian Rogers <irogers@google.com>

Acked-by: Jiri Olsa <jolsa@redhat.com>

jirka

> ---
> tools/perf/tests/parse-metric.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
> index 574b7e4efd3a..07b6f4ec024f 100644
> --- a/tools/perf/tests/parse-metric.c
> +++ b/tools/perf/tests/parse-metric.c
> @@ -109,6 +109,7 @@ static void load_runtime_stat(struct runtime_stat *st, struct evlist *evlist,
> struct evsel *evsel;
> u64 count;
>
> + perf_stat__reset_shadow_stats();
> evlist__for_each_entry(evlist, evsel) {
> count = find_value(evsel->name, vals);
> perf_stat__update_shadow_stats(evsel, count, 0, st);
> --
> 2.34.0.rc2.393.gf8c9666880-goog
>

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