perf session: Event statistics also are per session
[linux-2.6.git] / tools / perf / util / session.h
1 #ifndef __PERF_SESSION_H
2 #define __PERF_SESSION_H
3
4 #include "event.h"
5 #include "header.h"
6 #include "thread.h"
7 #include <linux/rbtree.h>
8 #include "../../../include/linux/perf_event.h"
9
10 struct ip_callchain;
11 struct thread;
12 struct symbol;
13 struct symbol_conf;
14
15 struct perf_session {
16         struct perf_header      header;
17         unsigned long           size;
18         unsigned long           mmap_window;
19         struct map_groups       kmaps;
20         struct rb_root          threads;
21         struct thread           *last_match;
22         struct events_stats     events_stats;
23         unsigned long           event_total[PERF_RECORD_MAX];
24         struct rb_root          hists;
25         u64                     sample_type;
26         int                     fd;
27         int                     cwdlen;
28         char                    *cwd;
29         bool                    use_modules;
30         bool                    use_callchain;
31         char filename[0];
32 };
33
34 typedef int (*event_op)(event_t *self, struct perf_session *session);
35
36 struct perf_event_ops {
37         event_op        process_sample_event;
38         event_op        process_mmap_event;
39         event_op        process_comm_event;
40         event_op        process_fork_event;
41         event_op        process_exit_event;
42         event_op        process_lost_event;
43         event_op        process_read_event;
44         event_op        process_throttle_event;
45         event_op        process_unthrottle_event;
46         int             (*sample_type_check)(struct perf_session *session);
47         unsigned long   total_unknown;
48         bool            full_paths;
49 };
50
51 struct perf_session *perf_session__new(const char *filename, int mode,
52                                        bool force, struct symbol_conf *conf);
53 void perf_session__delete(struct perf_session *self);
54
55 int perf_session__process_events(struct perf_session *self,
56                                  struct perf_event_ops *event_ops);
57
58 struct symbol **perf_session__resolve_callchain(struct perf_session *self,
59                                                 struct thread *thread,
60                                                 struct ip_callchain *chain,
61                                                 struct symbol **parent);
62
63 int perf_header__read_build_ids(int input, u64 offset, u64 file_size);
64
65 #endif /* __PERF_SESSION_H */