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,
35 HEADER_FEAT_BITS = 256,
38 enum perf_header_version {
39 PERF_HEADER_VERSION_1,
40 PERF_HEADER_VERSION_2,
43 struct perf_file_section {
48 struct perf_file_header {
52 struct perf_file_section attrs;
53 struct perf_file_section data;
54 /* event_types is ignored */
55 struct perf_file_section event_types;
56 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
59 struct perf_pipe_file_header {
66 int perf_file_header__read(struct perf_file_header *header,
67 struct perf_header *ph, int fd);
69 struct perf_session_env {
78 unsigned long long total_mem;
82 int nr_sibling_threads;
88 char *sibling_threads;
94 enum perf_header_version version;
99 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
100 struct perf_session_env env;
106 int perf_session__read_header(struct perf_session *session);
107 int perf_session__write_header(struct perf_session *session,
108 struct perf_evlist *evlist,
109 int fd, bool at_exit);
110 int perf_header__write_pipe(int fd);
112 void perf_header__set_feat(struct perf_header *header, int feat);
113 void perf_header__clear_feat(struct perf_header *header, int feat);
114 bool perf_header__has_feat(const struct perf_header *header, int feat);
116 int perf_header__set_cmdline(int argc, const char **argv);
118 int perf_header__process_sections(struct perf_header *header, int fd,
120 int (*process)(struct perf_file_section *section,
121 struct perf_header *ph,
122 int feat, int fd, void *data));
124 int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
126 int perf_event__synthesize_attr(struct perf_tool *tool,
127 struct perf_event_attr *attr, u32 ids, u64 *id,
128 perf_event__handler_t process);
129 int perf_event__synthesize_attrs(struct perf_tool *tool,
130 struct perf_session *session,
131 perf_event__handler_t process);
132 int perf_event__process_attr(struct perf_tool *tool, union perf_event *event,
133 struct perf_evlist **pevlist);
135 int perf_event__synthesize_tracing_data(struct perf_tool *tool,
136 int fd, struct perf_evlist *evlist,
137 perf_event__handler_t process);
138 int perf_event__process_tracing_data(struct perf_tool *tool,
139 union perf_event *event,
140 struct perf_session *session);
142 int perf_event__synthesize_build_id(struct perf_tool *tool,
143 struct dso *pos, u16 misc,
144 perf_event__handler_t process,
145 struct machine *machine);
146 int perf_event__process_build_id(struct perf_tool *tool,
147 union perf_event *event,
148 struct perf_session *session);
149 bool is_perf_magic(u64 magic);
151 #define NAME_ALIGN 64
153 int write_padded(int fd, const void *bf, size_t count, size_t count_aligned);
156 * arch specific callback
158 int get_cpuid(char *buffer, size_t sz);
160 #endif /* __PERF_HEADER_H */