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 24 enum { 25 HEADER_TRACE_INFO = 1, 26 HEADER_BUILD_ID, 27 HEADER_LAST_FEATURE, 28 }; 29 30 #define HEADER_FEAT_BITS 256 31 32 struct perf_file_section { 33 u64 offset; 34 u64 size; 35 }; 36 37 struct 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 47 struct perf_pipe_file_header { 48 u64 magic; 49 u64 size; 50 }; 51 52 struct perf_header; 53 54 int perf_file_header__read(struct perf_file_header *header, 55 struct perf_header *ph, int fd); 56 57 struct 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 68 struct perf_evlist; 69 70 int perf_session__read_header(struct perf_session *session, int fd); 71 int perf_session__write_header(struct perf_session *session, 72 struct perf_evlist *evlist, 73 int fd, bool at_exit); 74 int perf_header__write_pipe(int fd); 75 76 int perf_header__push_event(u64 id, const char *name); 77 char *perf_header__find_event(u64 id); 78 79 void perf_header__set_feat(struct perf_header *header, int feat); 80 void perf_header__clear_feat(struct perf_header *header, int feat); 81 bool perf_header__has_feat(const struct perf_header *header, int feat); 82 83 int 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 88 int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, 89 const char *name, bool is_kallsyms); 90 int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir); 91 92 int perf_event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id, 93 perf_event__handler_t process, 94 struct perf_session *session); 95 int perf_session__synthesize_attrs(struct perf_session *session, 96 perf_event__handler_t process); 97 int perf_event__process_attr(union perf_event *event, struct perf_session *session); 98 99 int perf_event__synthesize_event_type(u64 event_id, char *name, 100 perf_event__handler_t process, 101 struct perf_session *session); 102 int perf_event__synthesize_event_types(perf_event__handler_t process, 103 struct perf_session *session); 104 int perf_event__process_event_type(union perf_event *event, 105 struct perf_session *session); 106 107 int perf_event__synthesize_tracing_data(int fd, struct perf_evlist *evlist, 108 perf_event__handler_t process, 109 struct perf_session *session); 110 int perf_event__process_tracing_data(union perf_event *event, 111 struct perf_session *session); 112 113 int 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); 117 int perf_event__process_build_id(union perf_event *event, 118 struct perf_session *session); 119 #endif /* __PERF_HEADER_H */ 120