diff options
Diffstat (limited to 'tools/perf/util/evsel.c')
| -rw-r--r-- | tools/perf/util/evsel.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 798f072b2763..3dda8a25cf50 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -821,6 +821,30 @@ out_unknown: return "unknown"; } +const char *evsel__group_pmu_name(const struct evsel *evsel) +{ + const struct evsel *leader; + + /* If the pmu_name is set use it. pmu_name isn't set for CPU and software events. */ + if (evsel->pmu_name) + return evsel->pmu_name; + /* + * Software events may be in a group with other uncore PMU events. Use + * the pmu_name of the group leader to avoid breaking the software event + * out of the group. + * + * Aux event leaders, like intel_pt, expect a group with events from + * other PMUs, so substitute the AUX event's PMU in this case. + */ + leader = evsel__leader(evsel); + if ((evsel->core.attr.type == PERF_TYPE_SOFTWARE || evsel__is_aux_event(leader)) && + leader->pmu_name) { + return leader->pmu_name; + } + + return "cpu"; +} + const char *evsel__metric_id(const struct evsel *evsel) { if (evsel->metric_id) |