1 files changed, 2 insertions, 0 deletions

diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 7f9c0f1ae3a9..3bdb407f9cd9 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -76,6 +76,8 @@ struct callchain_cursor {
         struct callchain_cursor_node    *curr;
 };
 
+extern __thread struct callchain_cursor callchain_cursor;
+
 static inline void callchain_init(struct callchain_root *root)
 {
         INIT_LIST_HEAD(&root->node.siblings);