diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 825c0801c86a..01753d5c69d1 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -8,8 +8,11 @@
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <unistd.h>
-#include <stdio.h>
+#include <errno.h>
 #include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <dirent.h>
 #include <api/fs/fs.h>
 #include <api/io.h>