1 files changed, 14 insertions, 1 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 9ddd98827d12..d8b45cea54d0 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -85,7 +85,7 @@ int mkdir_p(char *path, mode_t mode)
 	return (stat(path, &st) && mkdir(path, mode)) ? -1 : 0;
 }
 
-int rm_rf(char *path)
+int rm_rf(const char *path)
 {
 	DIR *dir;
 	int ret = 0;
@@ -789,3 +789,16 @@ int is_printable_array(char *p, unsigned int len)
 	}
 	return 1;
 }
+
+int unit_number__scnprintf(char *buf, size_t size, u64 n)
+{
+	char unit[4] = "BKMG";
+	int i = 0;
+
+	while (((n / 1024) > 1) && (i < 3)) {
+		n /= 1024;
+		i++;
+	}
+
+	return scnprintf(buf, size, "%" PRIu64 "%c", n, unit[i]);
+}