diff mbox series

[v2,03/17] perf tools: Configure SWITCH_EVENTS in CPU-wide mode

Message ID 20190524173508.29044-4-mathieu.poirier@linaro.org
State New
Headers show
Series perf tools: Coresight: Add CPU-wide trace support | expand

Commit Message

Mathieu Poirier May 24, 2019, 5:34 p.m. UTC 
Ask the perf core to generate an event when processes are swapped in/out of
context.  That way proper action can be taken by the decoding code when
faced with such event.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

---
 tools/perf/arch/arm/util/cs-etm.c | 3 +++
 1 file changed, 3 insertions(+)

-- 
2.17.1
diff mbox series

Patch

diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index be1e4f20affa..cc7f1cd23b14 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -257,6 +257,9 @@  static int cs_etm_recording_options(struct auxtrace_record *itr,
 	ptr->evlist = evlist;
 	ptr->snapshot_mode = opts->auxtrace_snapshot_mode;
 
+	if (perf_can_record_switch_events())
+		opts->record_switch_events = true;
+
 	evlist__for_each_entry(evlist, evsel) {
 		if (evsel->attr.type == cs_etm_pmu->type) {
 			if (cs_etm_evsel) {