linux-kernel - [PATCH v1 07/11] perf python: Update ungrouped evsel leader in clone

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Message-Id: <20250109075108.7651-8-irogers@google.com>
Date: Wed,  8 Jan 2025 23:51:04 -0800
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	Kan Liang <kan.liang@...ux.intel.com>, Yicong Yang <yangyicong@...ilicon.com>, 
	James Clark <james.clark@...aro.org>, Howard Chu <howardchu95@...il.com>, 
	"Dr. David Alan Gilbert" <linux@...blig.org>, Levi Yun <yeoreum.yun@....com>, Ze Gao <zegao2021@...il.com>, 
	Weilin Wang <weilin.wang@...el.com>, Xu Yang <xu.yang_2@....com>, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 07/11] perf python: Update ungrouped evsel leader in clone

evsels are cloned in the python code as they form part of the Python
object pyrf_evsel. The cloning doesn't update the evsel's leader, do
this for the case of an evsel being ungrouped.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/util/python.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 45ee6479e4dd..9ffe1b633027 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1303,6 +1303,8 @@ static PyObject *pyrf_evsel__from_evsel(struct evsel *evsel)
 	evsel__init(&pevsel->evsel, &evsel->core.attr, evsel->core.idx);
 
 	evsel__clone(&pevsel->evsel, evsel);
+	if (evsel__is_group_leader(evsel))
+		evsel__set_leader(&pevsel->evsel, &pevsel->evsel);
 	return (PyObject *)pevsel;
 }
 
-- 
2.47.1.613.gc27f4b7a9f-goog