Commit | Line | Data |
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8cb76d99 FW |
1 | #ifndef __PERF_CALLCHAIN_H |
2 | #define __PERF_CALLCHAIN_H | |
3 | ||
4 | #include "../perf.h" | |
5da50258 | 5 | #include <linux/list.h> |
43cbcd8a | 6 | #include <linux/rbtree.h> |
4424961a | 7 | #include "symbol.h" |
8cb76d99 | 8 | |
4eb3e478 | 9 | enum chain_mode { |
805d127d FW |
10 | CHAIN_FLAT, |
11 | CHAIN_GRAPH_ABS, | |
12 | CHAIN_GRAPH_REL | |
4eb3e478 | 13 | }; |
8cb76d99 FW |
14 | |
15 | struct callchain_node { | |
16 | struct callchain_node *parent; | |
17 | struct list_head brothers; | |
f37a291c IM |
18 | struct list_head children; |
19 | struct list_head val; | |
4eb3e478 FW |
20 | struct rb_node rb_node; /* to sort nodes in an rbtree */ |
21 | struct rb_root rb_root; /* sorted tree of children */ | |
f37a291c IM |
22 | unsigned int val_nr; |
23 | u64 hit; | |
1953287b | 24 | u64 children_hit; |
8cb76d99 FW |
25 | }; |
26 | ||
805d127d FW |
27 | struct callchain_param; |
28 | ||
29 | typedef void (*sort_chain_func_t)(struct rb_root *, struct callchain_node *, | |
30 | u64, struct callchain_param *); | |
31 | ||
32 | struct callchain_param { | |
33 | enum chain_mode mode; | |
34 | double min_percent; | |
35 | sort_chain_func_t sort; | |
36 | }; | |
37 | ||
8cb76d99 | 38 | struct callchain_list { |
f37a291c | 39 | u64 ip; |
4424961a | 40 | struct symbol *sym; |
8cb76d99 FW |
41 | struct list_head list; |
42 | }; | |
43 | ||
44 | static inline void callchain_init(struct callchain_node *node) | |
45 | { | |
46 | INIT_LIST_HEAD(&node->brothers); | |
47 | INIT_LIST_HEAD(&node->children); | |
48 | INIT_LIST_HEAD(&node->val); | |
49 | } | |
50 | ||
1953287b FW |
51 | static inline u64 cumul_hits(struct callchain_node *node) |
52 | { | |
53 | return node->hit + node->children_hit; | |
54 | } | |
55 | ||
805d127d | 56 | int register_callchain_param(struct callchain_param *param); |
4424961a FW |
57 | void append_chain(struct callchain_node *root, struct ip_callchain *chain, |
58 | struct symbol **syms); | |
8cb76d99 | 59 | #endif |