linux-kernel - [PATCH 62/73] libperf: Add perf_evlist_

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Message-Id: <20190913132355.21634-63-jolsa@kernel.org>
Date:   Fri, 13 Sep 2019 15:23:44 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Michael Petlan <mpetlan@...hat.com>
Subject: [PATCH 62/73] libperf: Add perf_evlist__exit function

Adding perf_evlist__exit function, so far it's not
exported and added only for internal use for perf
and libperf.

Using it to release cpus/threads and pollfd array.

Link: http://lkml.kernel.org/n/tip-1n61vkdnvfqaeb7k4mwlvs1h@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/lib/evlist.c                  | 15 ++++++++++++---
 tools/perf/lib/include/internal/evlist.h |  2 ++
 tools/perf/util/evlist.c                 |  6 +-----
 3 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index e27fe1fcef3d..b9dd040a6162 100644
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -107,11 +107,20 @@ perf_evlist__next(struct perf_evlist *evlist, struct perf_evsel *prev)
 	return next;
 }
 
-void perf_evlist__delete(struct perf_evlist *evlist)
+void perf_evlist__exit(struct perf_evlist *evlist)
 {
-	free(evlist->mmap);
-	free(evlist->mmap_ovw);
+	perf_cpu_map__put(evlist->cpus);
+	perf_thread_map__put(evlist->threads);
+	evlist->cpus = NULL;
+	evlist->threads = NULL;
+	zfree(&evlist->mmap);
+	zfree(&evlist->mmap_ovw);
 	fdarray__exit(&evlist->pollfd);
+}
+
+void perf_evlist__delete(struct perf_evlist *evlist)
+{
+	perf_evlist__exit(evlist);
 	free(evlist);
 }
 
diff --git a/tools/perf/lib/include/internal/evlist.h b/tools/perf/lib/include/internal/evlist.h
index 851837ce4ff8..1ca822eeab1d 100644
--- a/tools/perf/lib/include/internal/evlist.h
+++ b/tools/perf/lib/include/internal/evlist.h
@@ -48,6 +48,8 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
 			  struct perf_evlist_mmap_ops *ops,
 			  struct perf_mmap_param *mp);
 
+void perf_evlist__exit(struct perf_evlist *evlist);
+
 /**
  * __perf_evlist__for_each_entry - iterate thru all the evsels
  * @list: list_head instance to iterate
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 728a15cddda7..0c69621e2b2e 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -137,7 +137,7 @@ void evlist__exit(struct evlist *evlist)
 {
 	zfree(&evlist->mmap);
 	zfree(&evlist->overwrite_mmap);
-	fdarray__exit(&evlist->core.pollfd);
+	perf_evlist__exit(&evlist->core);
 }
 
 void evlist__delete(struct evlist *evlist)
@@ -147,10 +147,6 @@ void evlist__delete(struct evlist *evlist)
 
 	evlist__munmap(evlist);
 	evlist__close(evlist);
-	perf_cpu_map__put(evlist->core.cpus);
-	perf_thread_map__put(evlist->core.threads);
-	evlist->core.cpus = NULL;
-	evlist->core.threads = NULL;
 	evlist__purge(evlist);
 	evlist__exit(evlist);
 	free(evlist);
-- 
2.21.0