perf evlist: Free stats in all evlist destruction

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 <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Ali Saidi <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Athira Rajeev <[email protected]>
Cc: Brian Robbins <[email protected]>
Cc: Changbin Du <[email protected]>
Cc: Dmitrii Dolgov <[email protected]>
Cc: Fangrui Song <[email protected]>
Cc: German Gomez <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Ivan Babrou <[email protected]>
Cc: James Clark <[email protected]>
Cc: Jing Zhang <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: John Garry <[email protected]>
Cc: K Prateek Nayak <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Leo Yan <[email protected]>
Cc: Liam Howlett <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Miguel Ojeda <[email protected]>
Cc: Mike Leach <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Naveen N. Rao <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ravi Bangoria <[email protected]>
Cc: Sean Christopherson <[email protected]>
Cc: Steinar H. Gunderson <[email protected]>
Cc: Suzuki Poulouse <[email protected]>
Cc: Wenyu Liu <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Yang Jihong <[email protected]>
Cc: Ye Xingchen <[email protected]>
Cc: Yuan Can <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

2 files changed, 6 insertions, 0 deletions

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)
+{
+}