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.
# ./perf test 41 41: Session topology : Ok Signed-off-by: Jin Yao <yao....@linux.intel.com> --- v3: - No functional change. 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 050489807a47..30b4acb08d35 100644 --- a/tools/perf/tests/topology.c +++ b/tools/perf/tests/topology.c @@ -8,6 +8,7 @@ #include "session.h" #include "evlist.h" #include "debug.h" +#include "pmu.h" #include <linux/err.h> #define TEMPL "/tmp/perf-test-XXXXXX" @@ -40,7 +41,14 @@ 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(); + if (!perf_pmu__has_hybrid()) { + 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