diff options
| -rw-r--r-- | tools/perf/util/evsel.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 28683b0eb738..a2397ca4d57a 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1153,11 +1153,14 @@ void evsel__config(struct evsel *evsel, struct record_opts *opts, } /* + * A dummy event never triggers any actual counter and therefore + * cannot be used with branch_stack. + * * For initial_delay, a dummy event is added implicitly. * The software event will trigger -EOPNOTSUPP error out, * if BRANCH_STACK bit is set. */ - if (opts->initial_delay && is_dummy_event(evsel)) + if (is_dummy_event(evsel)) evsel__reset_sample_bit(evsel, BRANCH_STACK); } |