Re: [PATCH 01/37] perf tools: Set attr.task bit for a tracking event

From: Jiri Olsa
Date: Wed Dec 31 2014 - 06:26:26 EST


On Wed, Dec 24, 2014 at 04:14:57PM +0900, Namhyung Kim wrote:
> The perf_event_attr.task bit is to track task (fork and exit) events
> but it missed to be set by perf_evsel__config(). While it was not a
> problem in practice since setting other bits (comm/mmap) ended up
> being in same result, it'd be good to set it explicitly anyway.
>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>

> ---
> tools/perf/util/evsel.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
> index 1e90c8557ede..e17d2b1624bc 100644
> --- a/tools/perf/util/evsel.c
> +++ b/tools/perf/util/evsel.c
> @@ -709,6 +709,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts)
> if (opts->sample_weight)
> perf_evsel__set_sample_bit(evsel, WEIGHT);
>
> + attr->task = track;
> attr->mmap = track;
> attr->mmap2 = track && !perf_missing_features.mmap2;
> attr->comm = track;
> --
> 2.1.3
>
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