[PATCH 06/11] perf test: Fix memory leaks in parse-metric test

Namhyung Kim
2020-09-15T03:19:31Z

It didn't release resources when there's an error so the
test_recursion_fail() will leak some memory.

Acked-by: Jiri Olsa <jolsa@redhat.com>
Fixes: 0a507af9c681a ("perf tests: Add parse metric test for ipc metric")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/tests/parse-metric.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
index 23db8acc492d..cd7331aac3bd 100644
--- a/tools/perf/tests/parse-metric.c
+++ b/tools/perf/tests/parse-metric.c
@@ -153,8 +153,10 @@ static int __compute_metric(const char *name, struct value *vals,
return -ENOMEM;

cpus = perf_cpu_map__new("0");
- if (!cpus)
+ if (!cpus) {
+ evlist__delete(evlist);
return -ENOMEM;
+ }

perf_evlist__set_maps(&evlist->core, cpus, NULL);

@@ -163,10 +165,11 @@ static int __compute_metric(const char *name, struct value *vals,
false, false,
&metric_events);
if (err)
- return err;
+ goto out;

- if (perf_evlist__alloc_stats(evlist, false))
- return -1;
+ err = perf_evlist__alloc_stats(evlist, false);
+ if (err)
+ goto out;

/* Load the runtime stats with given numbers for events. */
runtime_stat__init(&st);
@@ -178,13 +181,14 @@ static int __compute_metric(const char *name, struct value *vals,
if (name2 && ratio2)
*ratio2 = compute_single(&metric_events, evlist, &st, name2);

+out:
/* ... clenup. */
metricgroup__rblist_exit(&metric_events);
runtime_stat__exit(&st);
perf_evlist__free_stats(evlist);
perf_cpu_map__put(cpus);
evlist__delete(evlist);
- return 0;
+ return err;
}

static int compute_metric(const char *name, struct value *vals, double *ratio)
--
2.28.0.618.gf4bc123cb7-goog