--- 43cf3ea9e088fd86953637450036ecb56f3964fd
+++ 3c6d14132ff091a19fc3706402972eae6cc62075
@@ -48,6 +48,10 @@ static inline void callchain_init(struct
 	INIT_LIST_HEAD(&node->brothers);
 	INIT_LIST_HEAD(&node->children);
 	INIT_LIST_HEAD(&node->val);
+
+	node->children_hit = 0;
+	node->parent = NULL;
+	node->hit = 0;
 }
 
 static inline u64 cumul_hits(struct callchain_node *node)