1 #ifndef __PERF_HEADER_H
2 #define __PERF_HEADER_H
4 #include <linux/perf_event.h>
10 #include <linux/bitmap.h>
13 HEADER_RESERVED = 0, /* always cleared */
14 HEADER_FIRST_FEATURE = 1,
15 HEADER_TRACING_DATA = 1,
33 HEADER_FEAT_BITS = 256,
36 struct perf_file_section {
41 struct perf_file_header {
45 struct perf_file_section attrs;
46 struct perf_file_section data;
47 struct perf_file_section event_types;
48 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
51 struct perf_pipe_file_header {
58 int perf_file_header__read(struct perf_file_header *header,
59 struct perf_header *ph, int fd);
61 struct perf_session_env {
70 unsigned long long total_mem;
76 int nr_sibling_threads;
77 char *sibling_threads;
92 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
93 struct perf_session_env env;
99 int perf_session__read_header(struct perf_session *session, int fd);
100 int perf_session__write_header(struct perf_session *session,
101 struct perf_evlist *evlist,
102 int fd, bool at_exit);
103 int perf_header__write_pipe(int fd);
105 int perf_header__push_event(u64 id, const char *name);
106 char *perf_header__find_event(u64 id);
108 void perf_header__set_feat(struct perf_header *header, int feat);
109 void perf_header__clear_feat(struct perf_header *header, int feat);
110 bool perf_header__has_feat(const struct perf_header *header, int feat);
112 int perf_header__set_cmdline(int argc, const char **argv);
114 int perf_header__process_sections(struct perf_header *header, int fd,
116 int (*process)(struct perf_file_section *section,
117 struct perf_header *ph,
118 int feat, int fd, void *data));
120 int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
122 int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
123 const char *name, bool is_kallsyms, bool is_vdso);
124 int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
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(union perf_event *event, struct perf_evlist **pevlist);
134 int perf_event__synthesize_event_type(struct perf_tool *tool,
135 u64 event_id, char *name,
136 perf_event__handler_t process,
137 struct machine *machine);
138 int perf_event__synthesize_event_types(struct perf_tool *tool,
139 perf_event__handler_t process,
140 struct machine *machine);
141 int perf_event__process_event_type(struct perf_tool *tool,
142 union perf_event *event);
144 int perf_event__synthesize_tracing_data(struct perf_tool *tool,
145 int fd, struct perf_evlist *evlist,
146 perf_event__handler_t process);
147 int perf_event__process_tracing_data(union perf_event *event,
148 struct perf_session *session);
150 int perf_event__synthesize_build_id(struct perf_tool *tool,
151 struct dso *pos, u16 misc,
152 perf_event__handler_t process,
153 struct machine *machine);
154 int perf_event__process_build_id(struct perf_tool *tool,
155 union perf_event *event,
156 struct perf_session *session);
159 * arch specific callback
161 int get_cpuid(char *buffer, size_t sz);
163 #endif /* __PERF_HEADER_H */