[deliverable/linux.git] / tools / perf / util / ordered-events.h

#ifndef __ORDERED_EVENTS_H
#define __ORDERED_EVENTS_H

#include <linux/types.h>

struct perf_tool;
struct perf_evlist;
struct perf_sample;
struct machines;

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

enum oe_flush {
	OE_FLUSH__NONE,
	OE_FLUSH__FINAL,
	OE_FLUSH__ROUND,
	OE_FLUSH__HALF,
};

struct ordered_events;

typedef int (*ordered_events__deliver_t)(struct ordered_events *oe,
					 struct ordered_event *event,
					 struct perf_sample *sample);

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;
	struct machines		*machines;
	struct perf_evlist	*evlist;
	struct perf_tool	*tool;
	ordered_events__deliver_t deliver;
	int			buffer_idx;
	unsigned int		nr_events;
	enum oe_flush		last_flush_type;
	bool                    copy_on_queue;
};

struct ordered_event *ordered_events__new(struct ordered_events *oe, u64 timestamp,
					  union perf_event *event);
void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event);
int ordered_events__flush(struct ordered_events *oe, enum oe_flush how);
void ordered_events__init(struct ordered_events *oe, struct machines *machines,
			  struct perf_evlist *evlsit, struct perf_tool *tool,
			  ordered_events__deliver_t deliver);
void ordered_events__free(struct ordered_events *oe);

static inline
void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)
{
	oe->max_alloc_size = size;
}

static inline
void ordered_events__set_copy_on_queue(struct ordered_events *oe, bool copy)
{
	oe->copy_on_queue = copy;
}
#endif /* __ORDERED_EVENTS_H */
Commit	Line	Data
5f86b80b JO	1	#ifndef __ORDERED_EVENTS_H
	2	#define __ORDERED_EVENTS_H
	3
	4	#include <linux/types.h>
5f86b80b	5
fa713a4e ACM	6	struct perf_tool;
fa713a4e ACM	7	struct perf_evlist;
d10eb1eb	8	struct perf_sample;
fa713a4e	9	struct machines;
5f86b80b JO	10
	11	struct ordered_event {
	12	u64 timestamp;
	13	u64 file_offset;
	14	union perf_event *event;
	15	struct list_head list;
	16	};
	17
	18	enum oe_flush {
b0a45203	19	OE_FLUSH__NONE,
5f86b80b JO	20	OE_FLUSH__FINAL,
	21	OE_FLUSH__ROUND,
	22	OE_FLUSH__HALF,
	23	};
	24
d10eb1eb ACM	25	struct ordered_events;
	26
	27	typedef int (ordered_events__deliver_t)(struct ordered_events oe,
	28	struct ordered_event *event,
	29	struct perf_sample *sample);
	30
5f86b80b JO	31	struct ordered_events {
	32	u64 last_flush;
	33	u64 next_flush;
	34	u64 max_timestamp;
	35	u64 max_alloc_size;
	36	u64 cur_alloc_size;
	37	struct list_head events;
	38	struct list_head cache;
	39	struct list_head to_free;
	40	struct ordered_event *buffer;
	41	struct ordered_event *last;
b7b61cbe ACM	42	struct machines *machines;
	43	struct perf_evlist *evlist;
	44	struct perf_tool *tool;
d10eb1eb	45	ordered_events__deliver_t deliver;
5f86b80b JO	46	int buffer_idx;
5f86b80b JO	47	unsigned int nr_events;
b0a45203	48	enum oe_flush last_flush_type;
54bf53b1	49	bool copy_on_queue;
5f86b80b JO	50	};
5f86b80b JO	51
54bf53b1 AY	52	struct ordered_event ordered_events__new(struct ordered_events oe, u64 timestamp,
54bf53b1 AY	53	union perf_event *event);
5f86b80b	54	void ordered_events__delete(struct ordered_events oe, struct ordered_event event);
b7b61cbe ACM	55	int ordered_events__flush(struct ordered_events *oe, enum oe_flush how);
b7b61cbe ACM	56	void ordered_events__init(struct ordered_events oe, struct machines machines,
d10eb1eb ACM	57	struct perf_evlist evlsit, struct perf_tool tool,
d10eb1eb ACM	58	ordered_events__deliver_t deliver);
adc56ed1	59	void ordered_events__free(struct ordered_events *oe);
94786b67 JO	60
	61	static inline
	62	void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)
	63	{
	64	oe->max_alloc_size = size;
	65	}
54bf53b1 AY	66
	67	static inline
	68	void ordered_events__set_copy_on_queue(struct ordered_events *oe, bool copy)
	69	{
	70	oe->copy_on_queue = copy;
	71	}
5f86b80b	72	#endif /* __ORDERED_EVENTS_H */