1 #ifndef __PERF_CALLCHAIN_H
2 #define __PERF_CALLCHAIN_H
5 #include <linux/list.h>
6 #include <linux/rbtree.h>
15 struct callchain_node {
16 struct callchain_node *parent;
17 struct list_head brothers;
18 struct list_head children;
20 struct rb_node rb_node; /* to sort nodes in an rbtree */
21 struct rb_root rb_root; /* sorted tree of children */
24 u64 cumul_hit; /* hit + hits of children */
27 struct callchain_param;
29 typedef void (*sort_chain_func_t)(struct rb_root *, struct callchain_node *,
30 u64, struct callchain_param *);
32 struct callchain_param {
35 sort_chain_func_t sort;
38 struct callchain_list {
41 struct list_head list;
44 static inline void callchain_init(struct callchain_node *node)
46 INIT_LIST_HEAD(&node->brothers);
47 INIT_LIST_HEAD(&node->children);
48 INIT_LIST_HEAD(&node->val);
51 int register_callchain_param(struct callchain_param *param);
52 void append_chain(struct callchain_node *root, struct ip_callchain *chain,
53 struct symbol **syms);