[PATCH v2 24/27] perf tests: Support 'Session topology' test for hybrid

From: Jin Yao
Date: Thu Mar 11 2021 - 02:10:08 EST


Force to create one event "cpu_core/cycles/" by default,
otherwise in evlist__valid_sample_type, the checking of
'if (evlist->core.nr_entries == 1)' would be failed.

root@otcpl-adl-s-2:~# ./perf test 41
41: Session topology : Ok

Signed-off-by: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
---
tools/perf/tests/topology.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index 74748ed75b2c..0f6e73baab2d 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -40,7 +40,15 @@ static int session_write_header(char *path)
session = perf_session__new(&data, false, NULL);
TEST_ASSERT_VAL("can't get session", !IS_ERR(session));

- session->evlist = evlist__new_default();
+ perf_pmu__scan(NULL);
+ if (!perf_pmu__hybrid_exist()) {
+ session->evlist = evlist__new_default();
+ } else {
+ struct parse_events_error err;
+
+ session->evlist = evlist__new();
+ parse_events(session->evlist, "cpu_core/cycles/", &err);
+ }
TEST_ASSERT_VAL("can't get evlist", session->evlist);

perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY);
--
2.17.1