752d75aebadeef40f27927cf38cbf2eee30fb6a5
[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 "symbol.h"
7 #include "thread.h"
8 #include <linux/rbtree.h>
9 #include "../../../include/linux/perf_event.h"
10
11 struct ip_callchain;
12 struct thread;
13
14 struct perf_session {
15         struct perf_header      header;
16         unsigned long           size;
17         unsigned long           mmap_window;
18         struct map_groups       kmaps;
19         struct rb_root          threads;
20         struct thread           *last_match;
21         struct map              *vmlinux_maps[MAP__NR_TYPES];
22         struct events_stats     events_stats;
23         unsigned long           event_total[PERF_RECORD_MAX];
24         unsigned long           unknown_events;
25         struct rb_root          hists;
26         u64                     sample_type;
27         struct ref_reloc_sym    ref_reloc_sym;
28         int                     fd;
29         int                     cwdlen;
30         char                    *cwd;
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 sample,
38                  mmap,
39                  comm,
40                  fork,
41                  exit,
42                  lost,
43                  read,
44                  throttle,
45                  unthrottle;
46 };
47
48 struct perf_session *perf_session__new(const char *filename, int mode, bool force);
49 void perf_session__delete(struct perf_session *self);
50
51 void perf_event_header__bswap(struct perf_event_header *self);
52
53 int perf_session__process_events(struct perf_session *self,
54                                  struct perf_event_ops *event_ops);
55
56 struct symbol **perf_session__resolve_callchain(struct perf_session *self,
57                                                 struct thread *thread,
58                                                 struct ip_callchain *chain,
59                                                 struct symbol **parent);
60
61 bool perf_session__has_traces(struct perf_session *self, const char *msg);
62
63 int perf_header__read_build_ids(struct perf_header *self, int input,
64                                 u64 offset, u64 file_size);
65
66 int perf_session__set_kallsyms_ref_reloc_sym(struct perf_session *self,
67                                              const char *symbol_name,
68                                              u64 addr);
69
70 void mem_bswap_64(void *src, int byte_size);
71
72 static inline int __perf_session__create_kernel_maps(struct perf_session *self,
73                                                 struct dso *kernel)
74 {
75         return __map_groups__create_kernel_maps(&self->kmaps,
76                                                 self->vmlinux_maps, kernel);
77 }
78
79 static inline struct map *
80         perf_session__new_module_map(struct perf_session *self,
81                                      u64 start, const char *filename)
82 {
83         return map_groups__new_module(&self->kmaps, start, filename);
84 }
85 #endif /* __PERF_SESSION_H */