1#ifndef __PERF_HEADER_H
2#define __PERF_HEADER_H
3
4/* ANDROID_CHANGE_BEGIN */
5#if 0
6#include "../../../include/linux/perf_event.h"
7#else
8#include "include/linux/added/perf_event.h"
9#endif
10/* ANDROID_CHANGE_END */
11#include <sys/types.h>
12#include <stdbool.h>
13#include "types.h"
14#include "event.h"
15
16/* ANDROID_CHANGE_BEGIN */
17#if 0
18#include <linux/bitmap.h>
19#else
20#include "include/linux/bitmap.h"
21#endif
22/* ANDROID_CHANGE_END */
23
24enum {
25	HEADER_TRACE_INFO = 1,
26	HEADER_BUILD_ID,
27	HEADER_LAST_FEATURE,
28};
29
30#define HEADER_FEAT_BITS			256
31
32struct perf_file_section {
33	u64 offset;
34	u64 size;
35};
36
37struct perf_file_header {
38	u64				magic;
39	u64				size;
40	u64				attr_size;
41	struct perf_file_section	attrs;
42	struct perf_file_section	data;
43	struct perf_file_section	event_types;
44	DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
45};
46
47struct perf_pipe_file_header {
48	u64				magic;
49	u64				size;
50};
51
52struct perf_header;
53
54int perf_file_header__read(struct perf_file_header *header,
55			   struct perf_header *ph, int fd);
56
57struct perf_header {
58	int			frozen;
59	bool			needs_swap;
60	s64			attr_offset;
61	u64			data_offset;
62	u64			data_size;
63	u64			event_offset;
64	u64			event_size;
65	DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
66};
67
68struct perf_evlist;
69
70int perf_session__read_header(struct perf_session *session, int fd);
71int perf_session__write_header(struct perf_session *session,
72			       struct perf_evlist *evlist,
73			       int fd, bool at_exit);
74int perf_header__write_pipe(int fd);
75
76int perf_header__push_event(u64 id, const char *name);
77char *perf_header__find_event(u64 id);
78
79void perf_header__set_feat(struct perf_header *header, int feat);
80void perf_header__clear_feat(struct perf_header *header, int feat);
81bool perf_header__has_feat(const struct perf_header *header, int feat);
82
83int perf_header__process_sections(struct perf_header *header, int fd,
84				  int (*process)(struct perf_file_section *section,
85						 struct perf_header *ph,
86						 int feat, int fd));
87
88int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
89			  const char *name, bool is_kallsyms);
90int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
91
92int perf_event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
93				perf_event__handler_t process,
94				struct perf_session *session);
95int perf_session__synthesize_attrs(struct perf_session *session,
96				   perf_event__handler_t process);
97int perf_event__process_attr(union perf_event *event, struct perf_session *session);
98
99int perf_event__synthesize_event_type(u64 event_id, char *name,
100				      perf_event__handler_t process,
101				      struct perf_session *session);
102int perf_event__synthesize_event_types(perf_event__handler_t process,
103				       struct perf_session *session);
104int perf_event__process_event_type(union perf_event *event,
105				   struct perf_session *session);
106
107int perf_event__synthesize_tracing_data(int fd, struct perf_evlist *evlist,
108					perf_event__handler_t process,
109					struct perf_session *session);
110int perf_event__process_tracing_data(union perf_event *event,
111				     struct perf_session *session);
112
113int perf_event__synthesize_build_id(struct dso *pos, u16 misc,
114				    perf_event__handler_t process,
115				    struct machine *machine,
116				    struct perf_session *session);
117int perf_event__process_build_id(union perf_event *event,
118				 struct perf_session *session);
119#endif /* __PERF_HEADER_H */
120