f46a94e09eea9f603b10d2769244a136b525f1a3
[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
9 #include <linux/bitmap.h>
10
11 struct perf_header_attr {
12         struct perf_event_attr attr;
13         int ids, size;
14         u64 *id;
15         off_t id_offset;
16 };
17
18 enum {
19         HEADER_TRACE_INFO = 1,
20         HEADER_BUILD_ID,
21         HEADER_LAST_FEATURE,
22 };
23
24 #define HEADER_FEAT_BITS                        256
25
26 struct perf_file_section {
27         u64 offset;
28         u64 size;
29 };
30
31 struct perf_file_header {
32         u64                             magic;
33         u64                             size;
34         u64                             attr_size;
35         struct perf_file_section        attrs;
36         struct perf_file_section        data;
37         struct perf_file_section        event_types;
38         DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
39 };
40
41 struct perf_header;
42
43 int perf_file_header__read(struct perf_file_header *self,
44                            struct perf_header *ph, int fd);
45
46 struct perf_header {
47         int                     frozen;
48         int                     attrs, size;
49         struct perf_header_attr **attr;
50         s64                     attr_offset;
51         u64                     data_offset;
52         u64                     data_size;
53         u64                     event_offset;
54         u64                     event_size;
55         DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
56 };
57
58 struct perf_header *perf_header__read(int fd);
59 void perf_header__write(struct perf_header *self, int fd, bool at_exit);
60
61 int perf_header__add_attr(struct perf_header *self,
62                           struct perf_header_attr *attr);
63
64 void perf_header__push_event(u64 id, const char *name);
65 char *perf_header__find_event(u64 id);
66
67 struct perf_header_attr *perf_header_attr__new(struct perf_event_attr *attr);
68 void perf_header_attr__delete(struct perf_header_attr *self);
69
70 int perf_header_attr__add_id(struct perf_header_attr *self, u64 id);
71
72 u64 perf_header__sample_type(struct perf_header *header);
73 struct perf_event_attr *
74 perf_header__find_attr(u64 id, struct perf_header *header);
75 void perf_header__set_feat(struct perf_header *self, int feat);
76 bool perf_header__has_feat(const struct perf_header *self, int feat);
77
78 struct perf_header *perf_header__new(void);
79
80 int perf_header__process_sections(struct perf_header *self, int fd,
81                                   int (*process)(struct perf_file_section *self,
82                                                  int feat, int fd));
83
84 #endif /* __PERF_HEADER_H */