It should be released after printing the map.
$ perf test -v 52
52: Print cpu map :
--- start ---
test child forked, pid 172233
=================================================================
==172233==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 156 byte(s) in 1 object(s) allocated from:
#0 0x7fc472518e8f in __interceptor_malloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
#1 0x55e63b378f7a in cpu_map__trim_new
/home/namhyung/project/linux/tools/lib/perf/cpumap.c:79
#2 0x55e63b37a05c in perf_cpu_map__new
/home/namhyung/project/linux/tools/lib/perf/cpumap.c:237
#3 0x55e63b056d16 in cpu_map_print tests/cpumap.c:102
#4 0x55e63b056d16 in test__cpu_map_print tests/cpumap.c:120
#5 0x55e63afff8fb in run_test tests/builtin-test.c:428
#6 0x55e63afff8fb in test_and_print tests/builtin-test.c:458
#7 0x55e63b001a53 in __cmd_test tests/builtin-test.c:679
#8 0x55e63b001a53 in cmd_test tests/builtin-test.c:825
#9 0x55e63b06dc44 in run_builtin
/home/namhyung/project/linux/tools/perf/perf.c:313
#10 0x55e63aef7a88 in handle_internal_command
/home/namhyung/project/linux/tools/perf/perf.c:365
#11 0x55e63aef7a88 in run_argv
/home/namhyung/project/linux/tools/perf/perf.c:409
#12 0x55e63aef7a88 in main
/home/namhyung/project/linux/tools/perf/perf.c:539
#13 0x7fc47204ed09 in __libc_start_main ../csu/libc-start.c:308
...
SUMMARY: AddressSanitizer: 448 byte(s) leaked in 7 allocation(s).
test child finished with 1
---- end ----
Print cpu map: FAILED!
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/perf/tests/cpumap.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c
index 29c793ac7d10..0472b110fe65 100644
--- a/tools/perf/tests/cpumap.c
+++ b/tools/perf/tests/cpumap.c
@@ -106,6 +106,8 @@ static int cpu_map_print(const char *str)
return -1;
cpu_map__snprint(map, buf, sizeof(buf));
+ perf_cpu_map__put(map);
+
return !strcmp(buf, str);
}
--
2.30.1.766.gb4fecdf3b7-goog
