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-rw-r--r--tools/perf/util/header.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 0a842d9eff22..dd2bb0861ab1 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1122,16 +1122,17 @@ static int build_caches(struct cpu_cache_level caches[], u32 size, u32 *cntp)
return 0;
}
-#define MAX_CACHES (MAX_NR_CPUS * 4)
+#define MAX_CACHE_LVL 4
static int write_cache(struct feat_fd *ff,
struct evlist *evlist __maybe_unused)
{
- struct cpu_cache_level caches[MAX_CACHES];
+ u32 max_caches = cpu__max_cpu() * MAX_CACHE_LVL;
+ struct cpu_cache_level caches[max_caches];
u32 cnt = 0, i, version = 1;
int ret;
- ret = build_caches(caches, MAX_CACHES, &cnt);
+ ret = build_caches(caches, max_caches, &cnt);
if (ret)
goto out;