From: Mathieu Poirier <[email protected]>

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 <[email protected]>
Tested-by: Leo Yan <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Suzuki Poulouse <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/arch/arm/util/cs-etm.c | 3 +++
 1 file changed, 3 insertions(+)

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) {
-- 
2.20.1

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