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John Kacur8b40f522009-09-24 18:02:18 +02001#ifndef __PERF_HEADER_H
2#define __PERF_HEADER_H
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02003
Ingo Molnarcdd6c482009-09-21 12:02:48 +02004#include "../../../include/linux/perf_event.h"
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02005#include <sys/types.h>
Arnaldo Carvalho de Melo8d063672009-11-04 18:50:43 -02006#include <stdbool.h>
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02007#include "types.h"
Arnaldo Carvalho de Meloef12a142010-01-20 15:28:45 -02008#include "event.h"
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02009
Frederic Weisbeckerdb9f11e2009-10-17 17:57:18 +020010#include <linux/bitmap.h>
11
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020012struct perf_header_attr {
Ingo Molnarcdd6c482009-09-21 12:02:48 +020013 struct perf_event_attr attr;
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020014 int ids, size;
15 u64 *id;
16 off_t id_offset;
17};
18
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020019enum {
20 HEADER_TRACE_INFO = 1,
21 HEADER_BUILD_ID,
22 HEADER_LAST_FEATURE,
23};
Frederic Weisbecker2ba08252009-10-17 17:12:34 +020024
25#define HEADER_FEAT_BITS 256
26
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020027struct perf_file_section {
28 u64 offset;
29 u64 size;
30};
31
32struct 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
Tom Zanussi8dc58102010-04-01 23:59:15 -050042struct perf_pipe_file_header {
43 u64 magic;
44 u64 size;
45};
46
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020047struct perf_header;
48
49int perf_file_header__read(struct perf_file_header *self,
50 struct perf_header *ph, int fd);
51
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020052struct perf_header {
Frederic Weisbecker2ba08252009-10-17 17:12:34 +020053 int frozen;
54 int attrs, size;
Arnaldo Carvalho de Meloeed05fe2010-04-05 12:53:45 -030055 bool needs_swap;
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020056 struct perf_header_attr **attr;
Frederic Weisbecker2ba08252009-10-17 17:12:34 +020057 s64 attr_offset;
58 u64 data_offset;
59 u64 data_size;
60 u64 event_offset;
61 u64 event_size;
Frederic Weisbeckerdb9f11e2009-10-17 17:57:18 +020062 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020063};
64
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -020065int perf_header__init(struct perf_header *self);
66void perf_header__exit(struct perf_header *self);
Arnaldo Carvalho de Melo4dc0a042009-11-19 14:55:55 -020067
Tom Zanussi8dc58102010-04-01 23:59:15 -050068int perf_header__read(struct perf_session *session, int fd);
Arnaldo Carvalho de Melod5eed902009-11-19 14:55:56 -020069int perf_header__write(struct perf_header *self, int fd, bool at_exit);
Tom Zanussi8dc58102010-04-01 23:59:15 -050070int perf_header__write_pipe(int fd);
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020071
Arnaldo Carvalho de Melo11deb1f2009-11-17 01:18:09 -020072int perf_header__add_attr(struct perf_header *self,
73 struct perf_header_attr *attr);
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020074
Arnaldo Carvalho de Meloae99fb22009-12-28 22:48:33 -020075int perf_header__push_event(u64 id, const char *name);
Arjan van de Ven8755a8f2009-09-12 07:52:51 +020076char *perf_header__find_event(u64 id);
77
Arnaldo Carvalho de Melodc79c0f2009-11-16 19:30:26 -020078struct perf_header_attr *perf_header_attr__new(struct perf_event_attr *attr);
Arnaldo Carvalho de Melo11deb1f2009-11-17 01:18:09 -020079void perf_header_attr__delete(struct perf_header_attr *self);
80
Arnaldo Carvalho de Melo58754122009-11-17 01:18:10 -020081int perf_header_attr__add_id(struct perf_header_attr *self, u64 id);
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020082
Frederic Weisbecker0d3a5c82009-08-16 20:56:37 +020083u64 perf_header__sample_type(struct perf_header *header);
Ingo Molnarcdd6c482009-09-21 12:02:48 +020084struct perf_event_attr *
Frederic Weisbecker0d3a5c82009-08-16 20:56:37 +020085perf_header__find_attr(u64 id, struct perf_header *header);
Arnaldo Carvalho de Melo8d063672009-11-04 18:50:43 -020086void perf_header__set_feat(struct perf_header *self, int feat);
87bool perf_header__has_feat(const struct perf_header *self, int feat);
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020088
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020089int perf_header__process_sections(struct perf_header *self, int fd,
90 int (*process)(struct perf_file_section *self,
Arnaldo Carvalho de Meloba215942010-01-14 12:23:10 -020091 struct perf_header *ph,
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020092 int feat, int fd));
93
Arnaldo Carvalho de Meloef12a142010-01-20 15:28:45 -020094int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
95 const char *name, bool is_kallsyms);
96int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
97
Tom Zanussi2c46dbb2010-04-01 23:59:19 -050098int event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
99 event__handler_t process,
100 struct perf_session *session);
101int event__synthesize_attrs(struct perf_header *self,
102 event__handler_t process,
103 struct perf_session *session);
104int event__process_attr(event_t *self, struct perf_session *session);
105
Tom Zanussicd19a032010-04-01 23:59:20 -0500106int event__synthesize_event_type(u64 event_id, char *name,
107 event__handler_t process,
108 struct perf_session *session);
109int event__synthesize_event_types(event__handler_t process,
110 struct perf_session *session);
111int event__process_event_type(event_t *self,
112 struct perf_session *session);
113
Tom Zanussi92155452010-04-01 23:59:21 -0500114int event__synthesize_tracing_data(int fd, struct perf_event_attr *pattrs,
115 int nb_events,
116 event__handler_t process,
117 struct perf_session *session);
118int event__process_tracing_data(event_t *self,
119 struct perf_session *session);
Tom Zanussicd19a032010-04-01 23:59:20 -0500120
John Kacur8b40f522009-09-24 18:02:18 +0200121#endif /* __PERF_HEADER_H */