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 jirka
