perf record: Add option to disable collecting build-ids
[linux-2.6.git] / tools / perf / util / header.h
1 #ifndef __PERF_HEADER_H
2 #define __PERF_HEADER_H
3
4 #include "../../../include/linux/perf_event.h"
5 #include <sys/types.h>
6 #include <stdbool.h>
7 #include "types.h"
8 #include "event.h"
9
10 #include <linux/bitmap.h>
11
12 struct perf_header_attr {
13         struct perf_event_attr attr;
14         int ids, size;
15         u64 *id;
16         off_t id_offset;
17 };
18
19 enum {
20         HEADER_TRACE_INFO = 1,
21         HEADER_BUILD_ID,
22         HEADER_LAST_FEATURE,
23 };
24
25 #define HEADER_FEAT_BITS                        256
26
27 struct perf_file_section {
28         u64 offset;
29         u64 size;
30 };
31
32 struct perf_file_header {
33         u64                             magic;
34         u64                             size;
35         u64                             attr_size;
36         struct perf_file_section        attrs;
37         struct perf_file_section        data;
38         struct perf_file_section        event_types;
39         DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
40 };
41
42 struct perf_pipe_file_header {
43         u64                             magic;
44         u64                             size;
45 };
46
47 struct perf_header;
48
49 int perf_file_header__read(struct perf_file_header *self,
50                            struct perf_header *ph, int fd);
51
52 struct perf_header {
53         int                     frozen;
54         int                     attrs, size;
55         bool                    needs_swap;
56         struct perf_header_attr **attr;
57         s64                     attr_offset;
58         u64                     data_offset;
59         u64                     data_size;
60         u64                     event_offset;
61         u64                     event_size;
62         DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
63 };
64
65 int perf_header__init(struct perf_header *self);
66 void perf_header__exit(struct perf_header *self);
67
68 int perf_header__read(struct perf_session *session, int fd);
69 int perf_header__write(struct perf_header *self, int fd, bool at_exit);
70 int perf_header__write_pipe(int fd);
71
72 int perf_header__add_attr(struct perf_header *self,
73                           struct perf_header_attr *attr);
74
75 int perf_header__push_event(u64 id, const char *name);
76 char *perf_header__find_event(u64 id);
77
78 struct perf_header_attr *perf_header_attr__new(struct perf_event_attr *attr);
79 void perf_header_attr__delete(struct perf_header_attr *self);
80
81 int perf_header_attr__add_id(struct perf_header_attr *self, u64 id);
82
83 u64 perf_header__sample_type(struct perf_header *header);
84 struct perf_event_attr *
85 perf_header__find_attr(u64 id, struct perf_header *header);
86 void perf_header__set_feat(struct perf_header *self, int feat);
87 void perf_header__clear_feat(struct perf_header *self, int feat);
88 bool perf_header__has_feat(const struct perf_header *self, int feat);
89
90 int perf_header__process_sections(struct perf_header *self, int fd,
91                                   int (*process)(struct perf_file_section *self,
92                                                  struct perf_header *ph,
93                                                  int feat, int fd));
94
95 int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
96                           const char *name, bool is_kallsyms);
97 int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
98
99 int event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
100                            event__handler_t process,
101                            struct perf_session *session);
102 int event__synthesize_attrs(struct perf_header *self,
103                             event__handler_t process,
104                             struct perf_session *session);
105 int event__process_attr(event_t *self, struct perf_session *session);
106
107 int event__synthesize_event_type(u64 event_id, char *name,
108                                  event__handler_t process,
109                                  struct perf_session *session);
110 int event__synthesize_event_types(event__handler_t process,
111                                   struct perf_session *session);
112 int event__process_event_type(event_t *self,
113                               struct perf_session *session);
114
115 int event__synthesize_tracing_data(int fd, struct perf_event_attr *pattrs,
116                                    int nb_events,
117                                    event__handler_t process,
118                                    struct perf_session *session);
119 int event__process_tracing_data(event_t *self,
120                                 struct perf_session *session);
121
122 int event__synthesize_build_id(struct dso *pos, u16 misc,
123                                event__handler_t process,
124                                struct machine *machine,
125                                struct perf_session *session);
126 int event__process_build_id(event_t *self, struct perf_session *session);
127
128 #endif /* __PERF_HEADER_H */