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authorKyle Meyer <meyerk@hpe.com>2019-08-28 00:43:48 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-08-29 23:38:32 +0300
commit92b5a1545ad51e8225e691e9a29ba33cc9fe37bc (patch)
treef24058c393a17d9eed02a5d93821ad7b9f6a43be /tools/perf
parentf78f96676a256d7fa171a54b271a2ad2c6555c9c (diff)
downloadlinux-92b5a1545ad51e8225e691e9a29ba33cc9fe37bc.tar.xz
perf stat: Replace MAX_NR_CPUS with cpu__max_cpu()
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(). Signed-off-by: Kyle Meyer <kyle.meyer@hpe.com> Reviewed-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russ Anderson <russ.anderson@hpe.com> Link: http://lore.kernel.org/lkml/20190827214352.94272-4-meyerk@stormcage.eag.rdlabs.hpecorp.net Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/stat.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 66f8808e57d3..f6eb6af5f151 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -210,7 +210,7 @@ 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,
@@ -229,7 +229,7 @@ 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;