Messages in this thread Patch in this message | | | Date | Wed, 17 Nov 2021 12:27:48 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 1/1] perf arm-spe: Inject SPE samples in perf-inject |
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Em Mon, Nov 08, 2021 at 08:39:58PM +0000, James Clark escreveu: > > > On 05/11/2021 10:41, German Gomez wrote: > > Inject synthesized SPE samples during perf-inject run. > > > > Signed-off-by: German Gomez <german.gomez@arm.com> > > Reviewed-by: James Clark <james.clark@arm.com>
Thanks, applied.
- Arnaldo
> > --- > > tools/perf/util/arm-spe.c | 15 +++++++++++++++ > > 1 file changed, 15 insertions(+) > > > > diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c > > index 58b7069c5..7054f2315 100644 > > --- a/tools/perf/util/arm-spe.c > > +++ b/tools/perf/util/arm-spe.c > > @@ -51,6 +51,7 @@ struct arm_spe { > > u8 timeless_decoding; > > u8 data_queued; > > > > + u64 sample_type; > > u8 sample_flc; > > u8 sample_llc; > > u8 sample_tlb; > > @@ -248,6 +249,12 @@ static void arm_spe_prep_sample(struct arm_spe *spe, > > event->sample.header.size = sizeof(struct perf_event_header); > > } > > > > +static int arm_spe__inject_event(union perf_event *event, struct perf_sample *sample, u64 type) > > +{ > > + event->header.size = perf_event__sample_event_size(sample, type, 0); > > + return perf_event__synthesize_sample(event, type, 0, sample); > > +} > > + > > static inline int > > arm_spe_deliver_synth_event(struct arm_spe *spe, > > struct arm_spe_queue *speq __maybe_unused, > > @@ -256,6 +263,12 @@ arm_spe_deliver_synth_event(struct arm_spe *spe, > > { > > int ret; > > > > + if (spe->synth_opts.inject) { > > + ret = arm_spe__inject_event(event, sample, spe->sample_type); > > + if (ret) > > + return ret; > > + } > > + > > ret = perf_session__deliver_synth_event(spe->session, event, sample); > > if (ret) > > pr_err("ARM SPE: failed to deliver event, error %d\n", ret); > > @@ -920,6 +933,8 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session) > > else > > attr.sample_type |= PERF_SAMPLE_TIME; > > > > + spe->sample_type = attr.sample_type; > > + > > attr.exclude_user = evsel->core.attr.exclude_user; > > attr.exclude_kernel = evsel->core.attr.exclude_kernel; > > attr.exclude_hv = evsel->core.attr.exclude_hv; > >
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- Arnaldo
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