[net-next-2.6.git] / tools / perf / util / callchain.h

#ifndef __PERF_CALLCHAIN_H
#define __PERF_CALLCHAIN_H

#include "../perf.h"
#include <linux/list.h>
#include <linux/rbtree.h>
#include "event.h"
#include "symbol.h"

enum chain_mode {
	CHAIN_NONE,
	CHAIN_FLAT,
	CHAIN_GRAPH_ABS,
	CHAIN_GRAPH_REL
};

struct callchain_node {
	struct callchain_node	*parent;
	struct list_head	brothers;
	struct list_head	children;
	struct list_head	val;
	struct rb_node		rb_node; /* to sort nodes in an rbtree */
	struct rb_root		rb_root; /* sorted tree of children */
	unsigned int		val_nr;
	u64			hit;
	u64			children_hit;
};

struct callchain_param;

typedef void (*sort_chain_func_t)(struct rb_root *, struct callchain_node *,
				 u64, struct callchain_param *);

struct callchain_param {
	enum chain_mode 	mode;
	u32			print_limit;
	double			min_percent;
	sort_chain_func_t	sort;
};

struct callchain_list {
	u64			ip;
	struct map_symbol	ms;
	struct list_head	list;
};

static inline void callchain_init(struct callchain_node *node)
{
	INIT_LIST_HEAD(&node->brothers);
	INIT_LIST_HEAD(&node->children);
	INIT_LIST_HEAD(&node->val);

	node->parent = NULL;
	node->hit = 0;
}

static inline u64 cumul_hits(struct callchain_node *node)
{
	return node->hit + node->children_hit;
}

int register_callchain_param(struct callchain_param *param);
int append_chain(struct callchain_node *root, struct ip_callchain *chain,
		 struct map_symbol *syms, u64 period);

bool ip_callchain__valid(struct ip_callchain *chain, event_t *event);
#endif	/* __PERF_CALLCHAIN_H */
Commit	Line	Data
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>
139633c6	7	#include "event.h"
4424961a	8	#include "symbol.h"
8cb76d99	9
4eb3e478	10	enum chain_mode {
b1a88349	11	CHAIN_NONE,
805d127d FW	12	CHAIN_FLAT,
	13	CHAIN_GRAPH_ABS,
	14	CHAIN_GRAPH_REL
4eb3e478	15	};
8cb76d99 FW	16
	17	struct callchain_node {
	18	struct callchain_node *parent;
	19	struct list_head brothers;
f37a291c IM	20	struct list_head children;
f37a291c IM	21	struct list_head val;
4eb3e478 FW	22	struct rb_node rb_node; /* to sort nodes in an rbtree */
4eb3e478 FW	23	struct rb_root rb_root; /* sorted tree of children */
f37a291c IM	24	unsigned int val_nr;
f37a291c IM	25	u64 hit;
1953287b	26	u64 children_hit;
8cb76d99 FW	27	};
8cb76d99 FW	28
805d127d FW	29	struct callchain_param;
	30
	31	typedef void (sort_chain_func_t)(struct rb_root , struct callchain_node *,
	32	u64, struct callchain_param *);
	33
	34	struct callchain_param {
	35	enum chain_mode mode;
232a5c94	36	u32 print_limit;
805d127d FW	37	double min_percent;
	38	sort_chain_func_t sort;
	39	};
	40
8cb76d99	41	struct callchain_list {
f37a291c	42	u64 ip;
b3c9ac08	43	struct map_symbol ms;
8cb76d99 FW	44	struct list_head list;
	45	};
	46
	47	static inline void callchain_init(struct callchain_node *node)
	48	{
	49	INIT_LIST_HEAD(&node->brothers);
	50	INIT_LIST_HEAD(&node->children);
	51	INIT_LIST_HEAD(&node->val);
97aa1052 FW	52
	53	node->parent = NULL;
	54	node->hit = 0;
8cb76d99 FW	55	}
8cb76d99 FW	56
1953287b FW	57	static inline u64 cumul_hits(struct callchain_node *node)
	58	{
	59	return node->hit + node->children_hit;
	60	}
	61
805d127d	62	int register_callchain_param(struct callchain_param *param);
301fde27	63	int append_chain(struct callchain_node root, struct ip_callchain chain,
108553e1	64	struct map_symbol *syms, u64 period);
139633c6 ACM	65
139633c6 ACM	66	bool ip_callchain__valid(struct ip_callchain chain, event_t event);
8b40f521	67	#endif /* __PERF_CALLCHAIN_H */