[v1,13/20] perf evlist: Free stats in all evlist destruction

Commit Message

Ian Rogers June 7, 2023, 1:43 a.m. UTC

There is no evsel free stats, freeing in the evlist__delete ensures
memory leaks are avoided. Issues detected with "perf stat report" and
leak sanitizer, perf stat uses perf_session__delete to free the
evlist. Add dummy symbol for python build.

Signed-off-by: Ian Rogers <[e-mail]>
---
 tools/perf/util/evlist.c | 2 ++
 tools/perf/util/python.c | 4 ++++
 2 files changed, 6 insertions(+)

Patch

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 82c0b3d0c822..7ef43f72098e 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -31,6 +31,7 @@ 
 #include "util/pmu.h"
 #include "util/sample.h"
 #include "util/bpf-filter.h"
+#include "util/stat.h"
 #include "util/util.h"
 #include <signal.h>
 #include <unistd.h>
@@ -171,6 +172,7 @@  void evlist__delete(struct evlist *evlist)
 	if (evlist == NULL)
 		return;
 
+	evlist__free_stats(evlist);
 	evlist__munmap(evlist);
 	evlist__close(evlist);
 	evlist__purge(evlist);
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 8de1b759bbaa..a7b2cb05dc86 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1494,3 +1494,7 @@  void test_attr__open(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cp
                      int fd, int group_fd, unsigned long flags)
 {
 }
+
+void evlist__free_stats(struct evlist *evlist)
+{
+}