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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-04-17 17:47:49 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-04-17 20:52:36 +0200 |
| commit | 4121234a32887a49d5da06e4c219f67abb6e744f (patch) | |
| tree | 00263dcb3b1133eb95b5927cf6cefddcde069b03 /tools/perf/tests/cpumap.c | |
| parent | perf test: Simplify for_each_test() to avoid tripping on -Werror=array-bounds (diff) | |
| download | linux-4121234a32887a49d5da06e4c219f67abb6e744f.tar.xz linux-4121234a32887a49d5da06e4c219f67abb6e744f.zip | |
libperf: Add perf_cpu_map__refcnt() interanl accessor to use in the maps test
To remove one more direct access to 'struct perf_cpu_map' so that we can
intercept accesses to its instantiations and refcount check it to catch
use after free, etc.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Link: https://lore.kernel.org/lkml/ZD1qdYjG+DL6KOfP@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/cpumap.c')
| -rw-r--r-- | tools/perf/tests/cpumap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c index 3150fc1fed6f..b1a924314e09 100644 --- a/tools/perf/tests/cpumap.c +++ b/tools/perf/tests/cpumap.c @@ -68,7 +68,7 @@ static int process_event_cpus(struct perf_tool *tool __maybe_unused, TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 2); TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 1); TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 1).cpu == 256); - TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); + TEST_ASSERT_VAL("wrong refcnt", refcount_read(perf_cpu_map__refcnt(map)) == 1); perf_cpu_map__put(map); return 0; } @@ -94,7 +94,7 @@ static int process_event_range_cpus(struct perf_tool *tool __maybe_unused, TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 256); TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 1); TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__max(map).cpu == 256); - TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); + TEST_ASSERT_VAL("wrong refcnt", refcount_read(perf_cpu_map__refcnt(map)) == 1); perf_cpu_map__put(map); return 0; } |