1 #ifndef __PERF_CALLCHAIN_H
2 #define __PERF_CALLCHAIN_H
5 #include <linux/list.h>
6 #include <linux/rbtree.h>
18 struct callchain_node {
19 struct callchain_node *parent;
20 struct list_head brothers;
21 struct list_head children;
23 struct rb_node rb_node; /* to sort nodes in an rbtree */
24 struct rb_root rb_root; /* sorted tree of children */
30 struct callchain_param;
32 typedef void (*sort_chain_func_t)(struct rb_root *, struct callchain_node *,
33 u64, struct callchain_param *);
35 struct callchain_param {
39 sort_chain_func_t sort;
42 struct callchain_list {
45 struct list_head list;
48 static inline void callchain_init(struct callchain_node *node)
50 INIT_LIST_HEAD(&node->brothers);
51 INIT_LIST_HEAD(&node->children);
52 INIT_LIST_HEAD(&node->val);
55 static inline u64 cumul_hits(struct callchain_node *node)
57 return node->hit + node->children_hit;
60 int register_callchain_param(struct callchain_param *param);
61 int append_chain(struct callchain_node *root, struct ip_callchain *chain,
62 struct map_symbol *syms);
64 bool ip_callchain__valid(struct ip_callchain *chain, event_t *event);
65 #endif /* __PERF_CALLCHAIN_H */