| From | Arnaldo Carvalho de Melo <> | Date | Fri, 17 Apr 2020 11:42:42 -0300 | Subject | Re: [PATCH V4 04/17] perf stat: Clear HEADER_CPU_PMU_CAPS |
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Em Thu, Mar 19, 2020 at 01:25:04PM -0700, kan.liang@linux.intel.com escreveu: > From: Kan Liang <kan.liang@linux.intel.com> > > The CPU PMU capabilities information is only useful for perf record with > LBR call stack. > > Clear the header for perf stat.
Ditto.
> Reviewed-by: Andi Kleen <ak@linux.intel.com> > Signed-off-by: Kan Liang <kan.liang@linux.intel.com> > --- > tools/perf/builtin-stat.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c > index ec053dc1e35c..b5c8a5ab5e75 100644 > --- a/tools/perf/builtin-stat.c > +++ b/tools/perf/builtin-stat.c > @@ -1595,6 +1595,7 @@ static void init_features(struct perf_session *session) > perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); > perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); > perf_header__clear_feat(&session->header, HEADER_AUXTRACE); > + perf_header__clear_feat(&session->header, HEADER_CPU_PMU_CAPS); > } > > static int __cmd_record(int argc, const char **argv) > -- > 2.17.1 >
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- Arnaldo
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