[PATCH v1 03/15] perf python: In str(evsel) use the evsel__pmu_name helper

From: Ian Rogers
Date: Tue Jun 10 2025 - 23:47:12 EST


The evsel__pmu_name helper will internally use evsel__find_pmu that
handles legacy events, extended types, etc. in determining a PMU and
will provide a better value than just trying to access the PMU's name
directly as the PMU may not have been computed.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/util/python.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 82666bcd2eda..49e1db3feb87 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -924,10 +924,7 @@ static PyObject *pyrf_evsel__str(PyObject *self)
struct pyrf_evsel *pevsel = (void *)self;
struct evsel *evsel = &pevsel->evsel;

- if (!evsel->pmu)
- return PyUnicode_FromFormat("evsel(%s)", evsel__name(evsel));
-
- return PyUnicode_FromFormat("evsel(%s/%s/)", evsel->pmu->name, evsel__name(evsel));
+ return PyUnicode_FromFormat("evsel(%s/%s/)", evsel__pmu_name(evsel), evsel__name(evsel));
}

static PyMethodDef pyrf_evsel__methods[] = {
--
2.50.0.rc0.642.g800a2b2222-goog