1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ORDERED_EVENTS_H
3 #define __ORDERED_EVENTS_H
5 #include <linux/types.h>
12 union perf_event *event;
13 struct list_head list;
23 struct ordered_events;
25 typedef int (*ordered_events__deliver_t)(struct ordered_events *oe,
26 struct ordered_event *event);
28 struct ordered_events_buffer {
29 struct list_head list;
30 struct ordered_event event[0];
33 struct ordered_events {
39 struct list_head events;
40 struct list_head cache;
41 struct list_head to_free;
42 struct ordered_events_buffer *buffer;
43 struct ordered_event *last;
44 ordered_events__deliver_t deliver;
46 unsigned int nr_events;
47 enum oe_flush last_flush_type;
48 u32 nr_unordered_events;
52 int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
53 u64 timestamp, u64 file_offset);
54 void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event);
55 int ordered_events__flush(struct ordered_events *oe, enum oe_flush how);
56 void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t deliver);
57 void ordered_events__free(struct ordered_events *oe);
58 void ordered_events__reinit(struct ordered_events *oe);
61 void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)
63 oe->max_alloc_size = size;
67 void ordered_events__set_copy_on_queue(struct ordered_events *oe, bool copy)
69 oe->copy_on_queue = copy;
71 #endif /* __ORDERED_EVENTS_H */