diff options
| -rw-r--r-- | tools/perf/tests/sw-clock.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index 73c5c37..ed77772 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -57,7 +57,11 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) goto out_delete_maps; } - perf_evlist__open(evlist); + if (perf_evlist__open(evlist)) { + err = -errno; + pr_debug("Couldn't open evlist: %s\n", strerror(errno)); + goto out_delete_maps; + } err = perf_evlist__mmap(evlist, 128, true); if (err < 0) { |