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 <pet...@infradead.org> Cc: Ingo Molnar <mi...@redhat.com> Cc: Arnaldo Carvalho de Melo <a...@kernel.org> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: linux-kernel@vger.kernel.org Cc: Russ Anderson <russ.ander...@hpe.com> Signed-off-by: Kyle Meyer <kyle.me...@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