1 #ifndef __PERF_CALLCHAIN_H
2 #define __PERF_CALLCHAIN_H
5 #include <linux/list.h>
6 #include <linux/rbtree.h>
17 struct callchain_node {
18 struct callchain_node *parent;
19 struct list_head brothers;
20 struct list_head children;
22 struct rb_node rb_node; /* to sort nodes in an rbtree */
23 struct rb_root rb_root; /* sorted tree of children */
29 struct callchain_param;
31 typedef void (*sort_chain_func_t)(struct rb_root *, struct callchain_node *,
32 u64, struct callchain_param *);
34 struct callchain_param {
37 sort_chain_func_t sort;
40 struct callchain_list {
43 struct list_head list;
46 static inline void callchain_init(struct callchain_node *node)
48 INIT_LIST_HEAD(&node->brothers);
49 INIT_LIST_HEAD(&node->children);
50 INIT_LIST_HEAD(&node->val);
53 static inline u64 cumul_hits(struct callchain_node *node)
55 return node->hit + node->children_hit;
58 int register_callchain_param(struct callchain_param *param);
59 void append_chain(struct callchain_node *root, struct ip_callchain *chain,
60 struct symbol **syms);
61 #endif /* __PERF_CALLCHAIN_H */