linux-kernel - [PATCH v1 01/22] perf evsel: Remove unused metric

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Message-ID: <20251024175857.808401-2-irogers@google.com>
Date: Fri, 24 Oct 2025 10:58:36 -0700
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>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	James Clark <james.clark@...aro.org>, Xu Yang <xu.yang_2@....com>, 
	Chun-Tse Shao <ctshao@...gle.com>, Thomas Richter <tmricht@...ux.ibm.com>, 
	Sumanth Korikkar <sumanthk@...ux.ibm.com>, Collin Funk <collin.funk1@...il.com>, 
	Thomas Falcon <thomas.falcon@...el.com>, Howard Chu <howardchu95@...il.com>, 
	Dapeng Mi <dapeng1.mi@...ux.intel.com>, Levi Yun <yeoreum.yun@....com>, 
	Yang Li <yang.lee@...ux.alibaba.com>, linux-kernel@...r.kernel.org, 
	linux-perf-users@...r.kernel.org
Subject: [PATCH v1 01/22] perf evsel: Remove unused metric_events variable

The metric_events exist in the metric_expr list and so this variable
has been unused for a while.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/util/evsel.c | 2 --
 tools/perf/util/evsel.h | 1 -
 2 files changed, 3 deletions(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index ad11cbfcbff1..67a898cda86a 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -402,7 +402,6 @@ void evsel__init(struct evsel *evsel,
 	evsel->sample_size = __evsel__sample_size(attr->sample_type);
 	evsel__calc_id_pos(evsel);
 	evsel->cmdline_group_boundary = false;
-	evsel->metric_events = NULL;
 	evsel->per_pkg_mask  = NULL;
 	evsel->collect_stat  = false;
 	evsel->group_pmu_name = NULL;
@@ -1754,7 +1753,6 @@ void evsel__exit(struct evsel *evsel)
 	evsel__zero_per_pkg(evsel);
 	hashmap__free(evsel->per_pkg_mask);
 	evsel->per_pkg_mask = NULL;
-	zfree(&evsel->metric_events);
 	if (evsel__priv_destructor)
 		evsel__priv_destructor(evsel->priv);
 	perf_evsel__object.fini(evsel);
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index f8de0f9a719b..71f74c7036ef 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -100,7 +100,6 @@ struct evsel {
 	 * metric fields are similar, but needs more care as they can have
 	 * references to other metric (evsel).
 	 */
-	struct evsel		**metric_events;
 	struct evsel		*metric_leader;
 
 	void			*handler;
-- 
2.51.1.821.gb6fe4d2222-goog