1 files changed, 3 insertions, 1 deletions

diff --git a/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c b/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c
index 2b81b72eca23..fdada5e8d454 100644
--- a/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c
+++ b/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c
@@ -1,5 +1,6 @@
 #include <stdint.h>
 #include <pthread.h>
+#include <sched.h>
 
 int main(void)
 {
@@ -8,7 +9,8 @@ int main(void)
         cpu_set_t cs;
 
         pthread_attr_init(&thread_attr);
-        /* don't care abt exact args, just the API itself in libpthread */
+        CPU_ZERO(&cs);
+
         ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cs), &cs);
 
         return ret;