diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 6b3448f..fb597fa 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -102,7 +102,7 @@ static int pmu_format(const char *name, struct list_head *format)
 	return 0;
 }
 
-static int convert_scale(const char *scale, char **end, double *sval)
+int perf_pmu__convert_scale(const char *scale, char **end, double *sval)
 {
 	char *lc;
 	int ret = 0;
@@ -165,7 +165,7 @@ static int perf_pmu__parse_scale(struct perf_pmu_alias *alias, char *dir, char *
 	else
 		scale[sret] = '\0';
 
-	ret = convert_scale(scale, NULL, &alias->scale);
+	ret = perf_pmu__convert_scale(scale, NULL, &alias->scale);
 error:
 	close(fd);
 	return ret;
@@ -373,7 +373,7 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
 				desc ? strdup(desc) : NULL;
 	alias->topic = topic ? strdup(topic) : NULL;
 	if (unit) {
-		if (convert_scale(unit, &unit, &alias->scale) < 0)
+		if (perf_pmu__convert_scale(unit, &unit, &alias->scale) < 0)
 			return -1;
 		snprintf(alias->unit, sizeof(alias->unit), "%s", unit);
 	}