1 files changed, 1 insertions, 0 deletions

diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index dcf70303e58..a81426a891b 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -23,6 +23,7 @@ struct thread {
         int                     comm_len;
 };
 
+int find_all_tid(int pid, pid_t ** all_tid);
 void map_groups__init(struct map_groups *self);
 int thread__set_comm(struct thread *self, const char *comm);
 int thread__comm_len(struct thread *self);