diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/evsel.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 22d3267ce294..4e10a4ec11c7 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2909,6 +2909,10 @@ int evsel__open_strerror(struct evsel *evsel, struct target *target, "No such device - did you specify an out-of-range profile CPU?"); break; case EOPNOTSUPP: + if (evsel->core.attr.sample_type & PERF_SAMPLE_BRANCH_STACK) + return scnprintf(msg, size, + "%s: PMU Hardware or event type doesn't support branch stack sampling.", + evsel__name(evsel)); if (evsel->core.attr.aux_output) return scnprintf(msg, size, "%s: PMU Hardware doesn't support 'aux_output' feature", |