mirror of https://gitee.com/openkylin/linux.git
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
#ifndef __ORDERED_EVENTS_H
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#define __ORDERED_EVENTS_H
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#include <linux/types.h>
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#include "tool.h"
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struct perf_session;
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struct ordered_event {
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u64 timestamp;
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u64 file_offset;
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union perf_event *event;
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struct list_head list;
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};
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enum oe_flush {
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OE_FLUSH__NONE,
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OE_FLUSH__FINAL,
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OE_FLUSH__ROUND,
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OE_FLUSH__HALF,
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};
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struct ordered_events {
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u64 last_flush;
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u64 next_flush;
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u64 max_timestamp;
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u64 max_alloc_size;
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u64 cur_alloc_size;
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struct list_head events;
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struct list_head cache;
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struct list_head to_free;
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struct ordered_event *buffer;
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struct ordered_event *last;
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int buffer_idx;
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unsigned int nr_events;
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enum oe_flush last_flush_type;
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bool copy_on_queue;
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};
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struct ordered_event *ordered_events__new(struct ordered_events *oe, u64 timestamp,
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union perf_event *event);
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void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event);
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int ordered_events__flush(struct perf_session *s, struct perf_tool *tool,
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enum oe_flush how);
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void ordered_events__init(struct ordered_events *oe);
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void ordered_events__free(struct ordered_events *oe);
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static inline
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void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)
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{
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oe->max_alloc_size = size;
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}
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static inline
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void ordered_events__set_copy_on_queue(struct ordered_events *oe, bool copy)
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{
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oe->copy_on_queue = copy;
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}
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#endif /* __ORDERED_EVENTS_H */
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