xref: /openbmc/linux/tools/perf/util/session.h (revision b3165f41)
1 #ifndef __PERF_SESSION_H
2 #define __PERF_SESSION_H
3 
4 #include "event.h"
5 #include "header.h"
6 #include <linux/rbtree.h>
7 
8 struct thread;
9 
10 struct perf_session {
11 	struct perf_header	header;
12 	unsigned long		size;
13 	unsigned long		mmap_window;
14 	struct rb_root		threads;
15 	struct thread		*last_match;
16 	int			fd;
17 	int			cwdlen;
18 	char			*cwd;
19 	char filename[0];
20 };
21 
22 typedef int (*event_op)(event_t *self, struct perf_session *session);
23 
24 struct perf_event_ops {
25 	event_op	process_sample_event;
26 	event_op	process_mmap_event;
27 	event_op	process_comm_event;
28 	event_op	process_fork_event;
29 	event_op	process_exit_event;
30 	event_op	process_lost_event;
31 	event_op	process_read_event;
32 	event_op	process_throttle_event;
33 	event_op	process_unthrottle_event;
34 	int		(*sample_type_check)(u64 sample_type);
35 	unsigned long	total_unknown;
36 	bool		full_paths;
37 };
38 
39 struct perf_session *perf_session__new(const char *filename, int mode,
40 				       bool force);
41 void perf_session__delete(struct perf_session *self);
42 
43 int perf_session__process_events(struct perf_session *self,
44 				 struct perf_event_ops *event_ops);
45 
46 int perf_header__read_build_ids(int input, u64 offset, u64 file_size);
47 
48 #endif /* __PERF_SESSION_H */
49