1 files changed, 14 insertions, 0 deletions

diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 9ebc8b1f9be5..a5dbba95107f 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -82,6 +82,20 @@ void thread__delete(struct thread *thread)
         free(thread);
 }
 
+struct thread *thread__get(struct thread *thread)
+{
+        ++thread->refcnt;
+        return thread;
+}
+
+void thread__put(struct thread *thread)
+{
+        if (thread && --thread->refcnt == 0) {
+                list_del_init(&thread->node);
+                thread__delete(thread);
+        }
+}
+
 struct comm *thread__comm(const struct thread *thread)
 {
         if (list_empty(&thread->comm_list))