From: Sohaib Mohamed sohaib.amhmd@gmail.com
[ Upstream commit 92723ea0f11d92496687db8c9725248e9d1e5e1d ]
ASan reports memory leaks while running:
$ perf bench sched all
Fixes: e27454cc6352c422 ("perf bench: Add sched-messaging.c: Benchmark for scheduler and IPC mechanisms based on hackbench") Signed-off-by: Sohaib Mohamed sohaib.amhmd@gmail.com Acked-by: Ian Rogers irogers@google.com Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Hitoshi Mitake h.mitake@gmail.com Cc: Jiri Olsa jolsa@redhat.com Cc: Mark Rutland mark.rutland@arm.com Cc: Namhyung Kim namhyung@kernel.org Cc: Paul Russel rusty@rustcorp.com.au Cc: Peter Zijlstra peterz@infradead.org Cc: Pierre Gondois pierre.gondois@arm.com Link: http://lore.kernel.org/lkml/20211110022012.16620-1-sohaib.amhmd@gmail.com Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/perf/bench/sched-messaging.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/tools/perf/bench/sched-messaging.c b/tools/perf/bench/sched-messaging.c index 488f6e6ba1a55..fa0ff4ce2b749 100644 --- a/tools/perf/bench/sched-messaging.c +++ b/tools/perf/bench/sched-messaging.c @@ -223,6 +223,8 @@ static unsigned int group(pthread_t *pth, snd_ctx->out_fds[i] = fds[1]; if (!thread_mode) close(fds[0]); + + free(ctx); }
/* Now we have all the fds, fork the senders */ @@ -239,6 +241,8 @@ static unsigned int group(pthread_t *pth, for (i = 0; i < num_fds; i++) close(snd_ctx->out_fds[i]);
+ free(snd_ctx); + /* Return number of children to reap */ return num_fds * 2; }