--- tools/perf/util/callchain.h

+++ tools/perf/util/callchain.h

@@ -48,6 +48,9 @@ static inline void callchain_init(struct

INIT_LIST_HEAD(&node->brothers);

INIT_LIST_HEAD(&node->children);

INIT_LIST_HEAD(&node->val);

+

+ node->parent = NULL;

+ node->hit = 0;

}

static inline u64 cumul_hits(struct callchain_node *node)