Add helper to get the name of the evsel's PMU. This handles the case
where there's no sysfs PMU via parse_events event_type helper.
Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
Tested-by: James Clark <james.clark@xxxxxxxxxx>
Tested-by: Leo Yan <leo.yan@xxxxxxx>
Tested-by: Atish Patra <atishp@xxxxxxxxxxxx>
---
tools/perf/util/evsel.c | 10 ++++++++++
tools/perf/util/evsel.h | 1 +
2 files changed, 11 insertions(+)
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 6ae5d110994a..109c4f188dec 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -237,6 +237,16 @@ int evsel__object_config(size_t object_size, int (*init)(struct evsel *evsel),
return 0;
}
+const char *evsel__pmu_name(const struct evsel *evsel)
+{
+ struct perf_pmu *pmu = evsel__find_pmu(evsel);
+
+ if (pmu)
+ return pmu->name;
+
+ return event_type(evsel->core.attr.type);
+}
+
#define FD(e, x, y) (*(int *)xyarray__entry(e->core.fd, x, y))
int __evsel__sample_size(u64 sample_type)
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 5ad352c94d00..cfa2660a06e8 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -235,6 +235,7 @@ int evsel__object_config(size_t object_size,
void (*fini)(struct evsel *evsel));
struct perf_pmu *evsel__find_pmu(const struct evsel *evsel);
+const char *evsel__pmu_name(const struct evsel *evsel);
bool evsel__is_aux_event(const struct evsel *evsel);
struct evsel *evsel__new_idx(struct perf_event_attr *attr, int idx);
--
2.47.1.613.gc27f4b7a9f-goog
