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authorRiccardo Mancini <rickyman7@gmail.com>2021-07-15 18:07:07 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-07-15 17:27:49 -0300
commit42db3d9ded555f7148b5695109a7dc8d66f0dde4 (patch)
tree9f17c1e8fefa7dcb1e45b000e5a542467f54b6c8 /tools/perf
parentdedeb4be203b382ba7245d13079bc3b0f6d40c65 (diff)
downloadlinux-42db3d9ded555f7148b5695109a7dc8d66f0dde4.tar.gz
perf env: Fix sibling_dies memory leak
ASan reports a memory leak in perf_env while running:

  # perf test "41: Session topology"

Caused by sibling_dies not being freed.

This patch adds the required free.

Fixes: acae8b36cded0ee6 ("perf header: Add die information in CPU topology")
Signed-off-by: Riccardo Mancini <rickyman7@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/2140d0b57656e4eb9021ca9772250c24c032924b.1626343282.git.rickyman7@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/env.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index ebc5e9ad35db..6c765946ef6f 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -186,6 +186,7 @@ void perf_env__exit(struct perf_env *env)
 	zfree(&env->cpuid);
 	zfree(&env->cmdline);
 	zfree(&env->cmdline_argv);
+	zfree(&env->sibling_dies);
 	zfree(&env->sibling_cores);
 	zfree(&env->sibling_threads);
 	zfree(&env->pmu_mappings);