From: Mathieu Poirier <mathieu.poir...@linaro.org> 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.poir...@linaro.org> Tested-by: Leo Yan <leo....@linaro.org> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Suzuki Poulouse <suzuki.poul...@arm.com> Cc: coresi...@lists.linaro.org Cc: linux-arm-ker...@lists.infradead.org Link: http://lkml.kernel.org/r/20190524173508.29044-4-mathieu.poir...@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- 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
