linux-kernel - [PATCH v1 07/12] libperf evsel: Factor perf_evsel__exit out of perf_evsel_

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Message-ID: <20250627192417.1157736-8-irogers@google.com>
Date: Fri, 27 Jun 2025 12:24:12 -0700
From: Ian Rogers <irogers@...gle.com>
To: Thomas Falcon <thomas.falcon@...el.com>, 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>, Ben Gainey <ben.gainey@....com>, 
	James Clark <james.clark@...aro.org>, Howard Chu <howardchu95@...il.com>, 
	Weilin Wang <weilin.wang@...el.com>, Levi Yun <yeoreum.yun@....com>, 
	"Dr. David Alan Gilbert" <linux@...blig.org>, Zhongqiu Han <quic_zhonhan@...cinc.com>, 
	Blake Jones <blakejones@...gle.com>, Yicong Yang <yangyicong@...ilicon.com>, 
	Anubhav Shelat <ashelat@...hat.com>, Thomas Richter <tmricht@...ux.ibm.com>, 
	Jean-Philippe Romain <jean-philippe.romain@...s.st.com>, Song Liu <song@...nel.org>, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 07/12] libperf evsel: Factor perf_evsel__exit out of perf_evsel__delete

This allows the perf_evsel__exit to be called when the struct
perf_evsel is embedded inside another struct, such as struct evsel in
perf.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/lib/perf/evsel.c                  | 7 ++++++-
 tools/lib/perf/include/internal/evsel.h | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c
index 127abe7df63d..13a307fc75ae 100644
--- a/tools/lib/perf/evsel.c
+++ b/tools/lib/perf/evsel.c
@@ -40,7 +40,7 @@ struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
 	return evsel;
 }
 
-void perf_evsel__delete(struct perf_evsel *evsel)
+void perf_evsel__exit(struct perf_evsel *evsel)
 {
 	assert(evsel->fd == NULL);  /* If not fds were not closed. */
 	assert(evsel->mmap == NULL); /* If not munmap wasn't called. */
@@ -48,6 +48,11 @@ void perf_evsel__delete(struct perf_evsel *evsel)
 	perf_cpu_map__put(evsel->cpus);
 	perf_cpu_map__put(evsel->pmu_cpus);
 	perf_thread_map__put(evsel->threads);
+}
+
+void perf_evsel__delete(struct perf_evsel *evsel)
+{
+	perf_evsel__exit(evsel);
 	free(evsel);
 }
 
diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h
index b97dc8c92882..fefe64ba5e26 100644
--- a/tools/lib/perf/include/internal/evsel.h
+++ b/tools/lib/perf/include/internal/evsel.h
@@ -133,6 +133,7 @@ struct perf_evsel {
 
 void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr,
 		      int idx);
+void perf_evsel__exit(struct perf_evsel *evsel);
 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
 void perf_evsel__close_fd(struct perf_evsel *evsel);
 void perf_evsel__free_fd(struct perf_evsel *evsel);
-- 
2.50.0.727.gbf7dc18ff4-goog