diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 22fd5fa806ed..4ab1b03d0779 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -1532,3 +1532,15 @@ int dso__strerror_load(struct dso *dso, char *buf, size_t buflen)
 	scnprintf(buf, buflen, "%s", dso_load__error_str[idx]);
 	return 0;
 }
+
+bool perf_pid_map_tid(const char *dso_name, int *tid)
+{
+	return sscanf(dso_name, "/tmp/perf-%d.map", tid) == 1;
+}
+
+bool is_perf_pid_map_name(const char *dso_name)
+{
+	int tid;
+
+	return perf_pid_map_tid(dso_name, &tid);
+}
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index ce9f3849a773..f161ac10fa03 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -411,4 +411,8 @@ int dso__strerror_load(struct dso *dso, char *buf, size_t buflen);
 
 void reset_fd_limit(void);
 
+/* Check if dso name is of format "/tmp/perf-%d.map" */
+bool perf_pid_map_tid(const char *dso_name, int *tid);
+bool is_perf_pid_map_name(const char *dso_name);
+
 #endif /* __PERF_DSO */
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 8e09f7db933a..85679aa443f3 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1764,7 +1764,7 @@ int dso__load(struct dso *dso, struct map *map)
 	const char *map_path = dso->long_name;
 
 	mutex_lock(&dso->lock);
-	perfmap = strncmp(dso->name, "/tmp/perf-", 10) == 0;
+	perfmap = is_perf_pid_map_name(map_path);
 	if (perfmap) {
 		if (dso->nsinfo && (dso__find_perf_map(newmapname,
 		    sizeof(newmapname), &dso->nsinfo) == 0)) {