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From: Namhyung Kim <namhyung@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Stephane Eranian <eranian@google.com>,
	Andi Kleen <ak@linux.intel.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Ian Rogers <irogers@google.com>, Leo Yan <leo.yan@linaro.org>
Subject: [PATCH 10/11] perf test: Fix cpu map leaks in cpu_map_print test
Date: Mon,  1 Mar 2021 23:04:08 +0900	[thread overview]
Message-ID: <20210301140409.184570-11-namhyung@kernel.org> (raw)
In-Reply-To: <20210301140409.184570-1-namhyung@kernel.org>

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 <namhyung@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


  parent reply	other threads:[~2021-03-01 14:07 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-01 14:03 [PATCHSET 00/11] perf test: Fix cpu/thread map leaks Namhyung Kim
2021-03-01 14:03 ` [PATCH 01/11] perf test: Fix cpu and thread map leaks in basic mmap test Namhyung Kim
2021-03-01 14:04 ` [PATCH 02/11] perf test: Fix a memory leak in attr test Namhyung Kim
2021-03-01 14:04 ` [PATCH 03/11] perf test: Fix cpu and thread map leaks in task_exit test Namhyung Kim
2021-03-01 14:04 ` [PATCH 04/11] perf test: Fix cpu and thread map leaks in sw_clock_freq test Namhyung Kim
2021-03-01 17:24   ` Jiri Olsa
2021-03-02  1:50     ` Namhyung Kim
2021-03-02 13:03       ` Jiri Olsa
2021-03-03 15:43         ` Arnaldo Carvalho de Melo
2021-03-01 14:04 ` [PATCH 05/11] perf test: Fix cpu and thread map leaks in code_reading test Namhyung Kim
2021-03-01 14:04 ` [PATCH 06/11] perf test: Fix cpu and thread map leaks in keep_tracking test Namhyung Kim
2021-03-01 14:04 ` [PATCH 07/11] perf test: Fix cpu and thread map leaks in switch_tracking test Namhyung Kim
2021-03-01 14:04 ` [PATCH 08/11] perf test: Fix a thread map leak in thread_map_synthesize test Namhyung Kim
2021-03-01 14:04 ` [PATCH 09/11] perf test: Fix a memory leak in thread_map_remove test Namhyung Kim
2021-03-01 14:04 ` Namhyung Kim [this message]
2021-03-01 14:04 ` [PATCH 11/11] perf test: Fix cpu and thread map leaks in perf_time_to_tsc test Namhyung Kim

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