Messages in this thread Patch in this message | | | From | Kyle Meyer <> | Subject | [PATCH v4 3/7] perf/util/stat: Replace MAX_NR_CPUS with cpu__max_cpu | Date | Tue, 27 Aug 2019 16:43:48 -0500 |
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The function cpu__max_cpu returns the possible number of CPUs as defined in the sysfs and can be used as an alternative for MAX_NR_CPUS in zero_per_pkg and check_per_pkg.
Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linux-kernel@vger.kernel.org Cc: Russ Anderson <russ.anderson@hpe.com> Signed-off-by: Kyle Meyer <kyle.meyer@hpe.com> --- tools/perf/util/stat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 0cbfd1eca1dd..b754686b684d 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -209,7 +209,7 @@ void perf_evlist__reset_stats(struct evlist *evlist) static void zero_per_pkg(struct evsel *counter) { if (counter->per_pkg_mask) - memset(counter->per_pkg_mask, 0, MAX_NR_CPUS); + memset(counter->per_pkg_mask, 0, cpu__max_cpu()); } static int check_per_pkg(struct evsel *counter, @@ -228,7 +228,7 @@ static int check_per_pkg(struct evsel *counter, return 0; if (!mask) { - mask = zalloc(MAX_NR_CPUS); + mask = zalloc(cpu__max_cpu()); if (!mask) return -ENOMEM; -- 2.12.3
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