Messages in this thread | | | Date | Wed, 9 Sep 2015 16:34:52 +0200 | From | Jiri Olsa <> | Subject | Re: [PATCH V9 3/6] perf, record: introduce --freq-perf option |
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On Tue, Sep 08, 2015 at 03:32:46PM -0400, kan.liang@intel.com wrote: > From: Kan Liang <kan.liang@intel.com> > > To generate the frequency and performance output, perf must sample read > special events like cycles, ref-cycles, msr/tsc/, msr/aperf/ or > msr/mperf/. > With the --freq-perf option, perf record can automatically check and add > those event into evlist for sampling read. > > Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
thanks, jirka
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