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SubjectRE: [PATCH V2 2/2] perf tools: always set no branch for dummy event in PT
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> Em Mon, Jul 03, 2017 at 09:58:32AM +0200, Jiri Olsa escreveu:
> > On Fri, Jun 30, 2017 at 10:16:56AM -0400, kan.liang@intel.com wrote:
> > > From: Kan Liang <kan.liang@intel.com>
> > >
> > > An earlier kernel patch allowed enabling PT and LBR at the same time
> > > on Goldmont.
> > >
> > > commit ccbebba4c6bf ("perf/x86/intel/pt: Bypass PT vs. LBR
> > > exclusivity if the core supports it")
> > >
> > > However, users still cannot use Intel PT and LBRs simultaneously.
> > > $ sudo perf record -e cycles,intel_pt//u -b -- sleep 1
> > > Error:
> > > PMU Hardware doesn't support sampling/overflow-interrupts.
> > >
> > > PT implicitly adds dummy event in perf tool. dummy event is software
> > > event which doesn't support LBR.
> > >
> > > Always setting no branch for dummy event in Intel PT.
> > >
> > > Signed-off-by: Kan Liang <kan.liang@intel.com>
> >
> > for the patchset:
> >
> > Acked-by: Jiri Olsa <jolsa@kernel.org>
>
> Thanks, applied.
>

Hi Arnaldo,

The patch series looks miss the latest update.
Could you please have a look?

Thanks,
Kan









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