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