From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>, Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Stephane Eranian <eranian@google.com>,
LKML <linux-kernel@vger.kernel.org>,
Andi Kleen <ak@linux.intel.com>, Ian Rogers <irogers@google.com>
Subject: Re: [PATCH 06/11] perf test: Fix memory leaks in parse-metric test
Date: Tue, 15 Sep 2020 09:23:16 -0300 [thread overview]
Message-ID: <20200915122316.GG720847@kernel.org> (raw)
In-Reply-To: <20200915031819.386559-7-namhyung@kernel.org>
Em Tue, Sep 15, 2020 at 12:18:14PM +0900, Namhyung Kim escreveu:
> It didn't release resources when there's an error so the
> test_recursion_fail() will leak some memory.
Thanks, applied.
- Arnaldo
>
> 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
>
--
- Arnaldo
next prev parent reply other threads:[~2020-09-15 12:27 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 3:18 [PATCHSET v2 00/11] perf tools: Fix various memory leaks Namhyung Kim
2020-09-15 3:18 ` [PATCH 01/11] perf metric: Fix some " Namhyung Kim
2020-09-15 11:58 ` Arnaldo Carvalho de Melo
2020-09-15 3:18 ` [PATCH 02/11] perf metric: Fix some memory leaks - part 2 Namhyung Kim
2020-09-15 11:59 ` Arnaldo Carvalho de Melo
2020-09-15 3:18 ` [PATCH 03/11] perf evlist: Fix cpu/thread map leak Namhyung Kim
2020-09-15 3:18 ` [PATCH 04/11] perf parse-event: Fix cpu map leaks Namhyung Kim
2020-09-15 12:18 ` Arnaldo Carvalho de Melo
2020-09-15 14:39 ` Namhyung Kim
2020-09-15 16:51 ` Arnaldo Carvalho de Melo
2020-09-15 3:18 ` [PATCH 05/11] perf parse-event: Fix memory leak in evsel->unit Namhyung Kim
2020-09-15 12:19 ` Arnaldo Carvalho de Melo
2020-09-15 18:59 ` Ian Rogers
2020-09-15 19:56 ` David Malcolm
2020-09-16 7:12 ` Namhyung Kim
2020-09-16 18:37 ` Ian Rogers
2020-09-15 20:03 ` Arnaldo Carvalho de Melo
2020-09-15 3:18 ` [PATCH 06/11] perf test: Fix memory leaks in parse-metric test Namhyung Kim
2020-09-15 12:23 ` Arnaldo Carvalho de Melo [this message]
2020-09-15 3:18 ` [PATCH 07/11] perf metric: Release expr_parse_ctx after testing Namhyung Kim
2020-09-15 3:18 ` [PATCH 08/11] perf metric: Free metric when it failed to resolve Namhyung Kim
2020-09-15 12:24 ` Arnaldo Carvalho de Melo
2020-09-15 3:18 ` [PATCH 09/11] perf metric: Do not free metric when " Namhyung Kim
2020-09-15 3:18 ` [PATCH 10/11] perf test: Free aliases for PMU event map aliases test Namhyung Kim
2020-09-15 7:37 ` John Garry
2020-09-15 11:57 ` Arnaldo Carvalho de Melo
2020-09-15 3:18 ` [PATCH 11/11] perf test: Free formats for perf pmu parse test Namhyung Kim
2020-09-15 5:15 ` [PATCHSET v2 00/11] perf tools: Fix various memory leaks Ian Rogers
2020-09-15 14:49 ` Namhyung Kim
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