1 #ifndef __PERF_HEADER_H
2 #define __PERF_HEADER_H
4 #include <linux/perf_event.h>
7 #include <linux/bitmap.h>
8 #include <linux/types.h>
13 HEADER_RESERVED
= 0, /* always cleared */
14 HEADER_FIRST_FEATURE
= 1,
15 HEADER_TRACING_DATA
= 1,
34 HEADER_FEAT_BITS
= 256,
37 enum perf_header_version
{
38 PERF_HEADER_VERSION_1
,
39 PERF_HEADER_VERSION_2
,
42 struct perf_file_section
{
47 struct perf_file_header
{
51 struct perf_file_section attrs
;
52 struct perf_file_section data
;
53 /* event_types is ignored */
54 struct perf_file_section event_types
;
55 DECLARE_BITMAP(adds_features
, HEADER_FEAT_BITS
);
58 struct perf_pipe_file_header
{
65 int perf_file_header__read(struct perf_file_header
*header
,
66 struct perf_header
*ph
, int fd
);
68 struct perf_session_env
{
77 unsigned long long total_mem
;
81 int nr_sibling_threads
;
87 char *sibling_threads
;
93 enum perf_header_version version
;
98 DECLARE_BITMAP(adds_features
, HEADER_FEAT_BITS
);
99 struct perf_session_env env
;
105 int perf_session__read_header(struct perf_session
*session
);
106 int perf_session__write_header(struct perf_session
*session
,
107 struct perf_evlist
*evlist
,
108 int fd
, bool at_exit
);
109 int perf_header__write_pipe(int fd
);
111 void perf_header__set_feat(struct perf_header
*header
, int feat
);
112 void perf_header__clear_feat(struct perf_header
*header
, int feat
);
113 bool perf_header__has_feat(const struct perf_header
*header
, int feat
);
115 int perf_header__set_cmdline(int argc
, const char **argv
);
117 int perf_header__process_sections(struct perf_header
*header
, int fd
,
119 int (*process
)(struct perf_file_section
*section
,
120 struct perf_header
*ph
,
121 int feat
, int fd
, void *data
));
123 int perf_header__fprintf_info(struct perf_session
*s
, FILE *fp
, bool full
);
125 int build_id_cache__add_s(const char *sbuild_id
, const char *debugdir
,
126 const char *name
, bool is_kallsyms
, bool is_vdso
);
127 int build_id_cache__remove_s(const char *sbuild_id
, const char *debugdir
);
129 int perf_event__synthesize_attr(struct perf_tool
*tool
,
130 struct perf_event_attr
*attr
, u32 ids
, u64
*id
,
131 perf_event__handler_t process
);
132 int perf_event__synthesize_attrs(struct perf_tool
*tool
,
133 struct perf_session
*session
,
134 perf_event__handler_t process
);
135 int perf_event__process_attr(struct perf_tool
*tool
, union perf_event
*event
,
136 struct perf_evlist
**pevlist
);
138 int perf_event__synthesize_tracing_data(struct perf_tool
*tool
,
139 int fd
, struct perf_evlist
*evlist
,
140 perf_event__handler_t process
);
141 int perf_event__process_tracing_data(struct perf_tool
*tool
,
142 union perf_event
*event
,
143 struct perf_session
*session
);
145 int perf_event__synthesize_build_id(struct perf_tool
*tool
,
146 struct dso
*pos
, u16 misc
,
147 perf_event__handler_t process
,
148 struct machine
*machine
);
149 int perf_event__process_build_id(struct perf_tool
*tool
,
150 union perf_event
*event
,
151 struct perf_session
*session
);
152 bool is_perf_magic(u64 magic
);
155 * arch specific callback
157 int get_cpuid(char *buffer
, size_t sz
);
159 #endif /* __PERF_HEADER_H */