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 01/11] perf test: Fix cpu and thread map leaks in basic mmap test
Date: Mon, 1 Mar 2021 23:03:59 +0900 [thread overview]
Message-ID: <20210301140409.184570-2-namhyung@kernel.org> (raw)
In-Reply-To: <20210301140409.184570-1-namhyung@kernel.org>
The evlist has the maps with its own refcounts so we don't need to set
the pointers to NULL. Otherwise following error was reported by Asan.
# perf test -v 4
4: Read samples using the mmap interface :
--- start ---
test child forked, pid 139782
mmap size 528384B
=================================================================
==139782==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 40 byte(s) in 1 object(s) allocated from:
#0 0x7f1f76daee8f in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
#1 0x564ba21a0fea in cpu_map__trim_new /home/namhyung/project/linux/tools/lib/perf/cpumap.c:79
#2 0x564ba21a1a0f in perf_cpu_map__read /home/namhyung/project/linux/tools/lib/perf/cpumap.c:149
#3 0x564ba21a21cf in cpu_map__read_all_cpu_map /home/namhyung/project/linux/tools/lib/perf/cpumap.c:166
#4 0x564ba21a21cf in perf_cpu_map__new /home/namhyung/project/linux/tools/lib/perf/cpumap.c:181
#5 0x564ba1e48298 in test__basic_mmap tests/mmap-basic.c:55
#6 0x564ba1e278fb in run_test tests/builtin-test.c:428
#7 0x564ba1e278fb in test_and_print tests/builtin-test.c:458
#8 0x564ba1e29a53 in __cmd_test tests/builtin-test.c:679
#9 0x564ba1e29a53 in cmd_test tests/builtin-test.c:825
#10 0x564ba1e95cb4 in run_builtin /home/namhyung/project/linux/tools/perf/perf.c:313
#11 0x564ba1d1fa88 in handle_internal_command /home/namhyung/project/linux/tools/perf/perf.c:365
#12 0x564ba1d1fa88 in run_argv /home/namhyung/project/linux/tools/perf/perf.c:409
#13 0x564ba1d1fa88 in main /home/namhyung/project/linux/tools/perf/perf.c:539
#14 0x7f1f768e4d09 in __libc_start_main ../csu/libc-start.c:308
...
test child finished with 1
---- end ----
Read samples using the mmap interface: FAILED!
failed to open shell test directory: /home/namhyung/libexec/perf-core/tests/shell
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/tests/mmap-basic.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index 57093aeacc6f..73ae8f7aa066 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -158,8 +158,6 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
out_delete_evlist:
evlist__delete(evlist);
- cpus = NULL;
- threads = NULL;
out_free_cpus:
perf_cpu_map__put(cpus);
out_free_threads:
--
2.30.1.766.gb4fecdf3b7-goog
next prev parent reply other threads:[~2021-03-01 14:05 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 ` Namhyung Kim [this message]
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 ` [PATCH 10/11] perf test: Fix cpu map leaks in cpu_map_print test Namhyung Kim
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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