v4.19.13 snapshot.
diff --git a/tools/perf/util/path.h b/tools/perf/util/path.h
new file mode 100644
index 0000000..f014f90
--- /dev/null
+++ b/tools/perf/util/path.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _PERF_PATH_H
+#define _PERF_PATH_H
+
+struct dirent;
+
+int path__join(char *bf, size_t size, const char *path1, const char *path2);
+int path__join3(char *bf, size_t size, const char *path1, const char *path2, const char *path3);
+
+bool is_regular_file(const char *file);
+bool is_directory(const char *base_path, const struct dirent *dent);
+
+#endif /* _PERF_PATH_H */