Messages in this thread | | | Date | Mon, 22 Dec 2014 11:49:19 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 7/7] perf tools: Set attr.task bit for a tracking event |
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Em Mon, Dec 22, 2014 at 01:44:15PM +0900, Namhyung Kim escreveu: > 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.
I didn't understand, so this isn't strictly needed? I.e. what is the point of the attr->task bit then?
/me goes to check...
- Arnaldo
> Signed-off-by: Namhyung Kim <namhyung@kernel.org> > --- > 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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