summaryrefslogtreecommitdiff
path: root/tools/perf/util/ordered-events.h
blob: 6036bd65707320eb418c7ebdb9daa8c1c316eeef (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#ifndef __ORDERED_EVENTS_H
#define __ORDERED_EVENTS_H

#include <linux/types.h>
#include "tool.h"

struct perf_session;

struct ordered_event {
	u64			timestamp;
	u64			file_offset;
	union perf_event	*event;
	struct list_head	list;
};

enum oe_flush {
	OE_FLUSH__FINAL,
	OE_FLUSH__ROUND,
	OE_FLUSH__HALF,
};

struct ordered_events {
	u64			last_flush;
	u64			next_flush;
	u64			max_timestamp;
	u64			max_alloc_size;
	u64			cur_alloc_size;
	struct list_head	events;
	struct list_head	cache;
	struct list_head	to_free;
	struct ordered_event	*buffer;
	struct ordered_event	*last;
	int			buffer_idx;
	unsigned int		nr_events;
};

struct ordered_event *ordered_events__new(struct ordered_events *oe, u64 timestamp);
void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event);
int ordered_events__flush(struct perf_session *s, struct perf_tool *tool,
			  enum oe_flush how);
void ordered_events__init(struct ordered_events *oe);
void ordered_events__free(struct ordered_events *oe);
#endif /* __ORDERED_EVENTS_H */