OpenCloudOS-Kernel/tools/perf/util/ordered-events.h

52 lines
1.2 KiB
C

#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__NONE,
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;
enum oe_flush last_flush_type;
};
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);
static inline
void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)
{
oe->max_alloc_size = size;
}
#endif /* __ORDERED_EVENTS_H */