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-rw-r--r--tools/perf/util/evsel.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 11794d3b7879..b1845f799d81 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -2535,6 +2535,10 @@ 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.aux_output)
+ return scnprintf(msg, size,
+ "%s: PMU Hardware doesn't support 'aux_output' feature",
+ evsel__name(evsel));
if (evsel->core.attr.sample_period != 0)
return scnprintf(msg, size,
"%s: PMU Hardware doesn't support sampling/overflow-interrupts. Try 'perf stat'",