diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index dde706b71da7..2340c4f6d0c2 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -1652,3 +1652,15 @@ 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 df2c98402af3..d72f3b8c37f6 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -809,4 +809,8 @@ void reset_fd_limit(void);
 u64 dso__find_global_type(struct dso *dso, u64 addr);
 u64 dso__findnew_global_type(struct dso *dso, u64 addr, u64 offset);
 
+/* 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 9e5940b5bc59..aee0a4cfb383 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1799,7 +1799,8 @@ int dso__load(struct dso *dso, struct map *map)
 	const char *map_path = dso__long_name(dso);
 
 	mutex_lock(dso__lock(dso));
-	perfmap = strncmp(dso__name(dso), "/tmp/perf-", 10) == 0;
+	perfmap = is_perf_pid_map_name(map_path);
+
 	if (perfmap) {
 		if (dso__nsinfo(dso) &&
 		    (dso__find_perf_map(newmapname, sizeof(newmapname),