Merge branch 'topic/soundcore-preclaim' into for-linus
[pandora-kernel.git] / tools / perf / util / callchain.h
1 #ifndef __PERF_CALLCHAIN_H
2 #define __PERF_CALLCHAIN_H
3
4 #include "../perf.h"
5 #include <linux/list.h>
6 #include <linux/rbtree.h>
7 #include "symbol.h"
8
9 enum chain_mode {
10         CHAIN_NONE,
11         CHAIN_FLAT,
12         CHAIN_GRAPH_ABS,
13         CHAIN_GRAPH_REL
14 };
15
16 struct callchain_node {
17         struct callchain_node   *parent;
18         struct list_head        brothers;
19         struct list_head        children;
20         struct list_head        val;
21         struct rb_node          rb_node; /* to sort nodes in an rbtree */
22         struct rb_root          rb_root; /* sorted tree of children */
23         unsigned int            val_nr;
24         u64                     hit;
25         u64                     children_hit;
26 };
27
28 struct callchain_param;
29
30 typedef void (*sort_chain_func_t)(struct rb_root *, struct callchain_node *,
31                                  u64, struct callchain_param *);
32
33 struct callchain_param {
34         enum chain_mode         mode;
35         double                  min_percent;
36         sort_chain_func_t       sort;
37 };
38
39 struct callchain_list {
40         u64                     ip;
41         struct symbol           *sym;
42         struct list_head        list;
43 };
44
45 static inline void callchain_init(struct callchain_node *node)
46 {
47         INIT_LIST_HEAD(&node->brothers);
48         INIT_LIST_HEAD(&node->children);
49         INIT_LIST_HEAD(&node->val);
50 }
51
52 static inline u64 cumul_hits(struct callchain_node *node)
53 {
54         return node->hit + node->children_hit;
55 }
56
57 int register_callchain_param(struct callchain_param *param);
58 void append_chain(struct callchain_node *root, struct ip_callchain *chain,
59                   struct symbol **syms);
60 #endif