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Commit 85a564d2 authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf intel-pt: Tidy Intel PT evsel lookup into separate function 



Tidy the lookup of the Intel PT selected event (perf_evsel) into a separate
function.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-30-git-send-email-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 406a1805

tools/perf/util/intel-pt.c

+15 −10
Original line number Diff line number Diff line
@@ -1922,24 +1922,29 @@ static int intel_pt_synth_event(struct perf_session *session, 
					   &id, intel_pt_event_synth);

}



static struct perf_evsel *intel_pt_evsel(struct intel_pt *pt,

					 struct perf_evlist *evlist)

{

	struct perf_evsel *evsel;



	evlist__for_each_entry(evlist, evsel) {

		if (evsel->attr.type == pt->pmu_type && evsel->ids)

			return evsel;

	}



	return NULL;

}



static int intel_pt_synth_events(struct intel_pt *pt,

				 struct perf_session *session)

{

	struct perf_evlist *evlist = session->evlist;

	struct perf_evsel *evsel;

	struct perf_evsel *evsel = intel_pt_evsel(pt, evlist);

	struct perf_event_attr attr;

	bool found = false;

	u64 id;

	int err;



	evlist__for_each_entry(evlist, evsel) {

		if (evsel->attr.type == pt->pmu_type && evsel->ids) {

			found = true;

			break;

		}

	}



	if (!found) {

	if (!evsel) {

		pr_debug("There are no selected events with Intel Processor Trace data\n");

		return 0;

	}