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SubjectRE: [PATCH] perf tools: set no branch type for dummy event in PT
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> On Thu, Jun 29, 2017 at 03:50:29PM +0000, Liang, Kan wrote:
> >
> >
> > >
> > > On Thu, Jun 29, 2017 at 03:31:45PM +0000, Liang, Kan wrote:
> > >
> > > SNIP
> > >
> > > > > > static int intel_pt_recording_options(struct auxtrace_record *itr,
> > > > > > struct perf_evlist *evlist,
> > > > > > struct record_opts *opts) @@ -
> 701,6
> > > +717,8 @@ static
> > > > > > int intel_pt_recording_options(struct
> > > > > auxtrace_record *itr,
> > > > > >
> perf_evsel__set_sample_bit(switch_evsel,
> > > > > TIME);
> > > > > >
> perf_evsel__set_sample_bit(switch_evsel,
> > > > > CPU);
> > > > > >
> > > > > > +
> add_no_lbr_config_term(&switch_evsel-
> > > > > >config_terms);
> > > > > > +
> > > > >
> > > > > hum, why can't you change the sample bit directly? with:
> > > > >
> > > > > perf_evsel__reset_sample_bit(switch_evsel,
> > > > > BRANCH_STACK);
> > > >
> > > > It will be overwrite in perf_evsel__config.
> > > >
> > >
> > > where? you set the evsel->no_aux_samples
> >
> > Yes for switch_evsel, but no for tracking_evsel.
> >
> > If it's only for switch_evsel, yes, we can change the sample bit directly.
> > But I think we should use the same method for both of them.
>
>
> we could set the no_aux_samples for the tracking_evsel as well
>

Yes, I will do it in next version.

Thanks,
Kan

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