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 16 HEADER_HOSTNAME, 17 HEADER_OSRELEASE, 18 HEADER_VERSION, 19 HEADER_ARCH, 20 HEADER_NRCPUS, 21 HEADER_CPUDESC, 22 HEADER_CPUID, 23 HEADER_TOTAL_MEM, 24 HEADER_CMDLINE, 25 HEADER_EVENT_DESC, 26 HEADER_CPU_TOPOLOGY, 27 HEADER_NUMA_TOPOLOGY, 28 29 HEADER_LAST_FEATURE, 30 }; 31 32 #define HEADER_FEAT_BITS 256 33 34 struct perf_file_section { 35 u64 offset; 36 u64 size; 37 }; 38 39 struct perf_file_header { 40 u64 magic; 41 u64 size; 42 u64 attr_size; 43 struct perf_file_section attrs; 44 struct perf_file_section data; 45 struct perf_file_section event_types; 46 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 47 }; 48 49 struct perf_pipe_file_header { 50 u64 magic; 51 u64 size; 52 }; 53 54 struct perf_header; 55 56 int perf_file_header__read(struct perf_file_header *header, 57 struct perf_header *ph, int fd); 58 59 struct perf_header { 60 int frozen; 61 bool needs_swap; 62 s64 attr_offset; 63 u64 data_offset; 64 u64 data_size; 65 u64 event_offset; 66 u64 event_size; 67 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 68 }; 69 70 struct perf_evlist; 71 72 int perf_session__read_header(struct perf_session *session, int fd); 73 int perf_session__write_header(struct perf_session *session, 74 struct perf_evlist *evlist, 75 int fd, bool at_exit); 76 int perf_header__write_pipe(int fd); 77 78 int perf_header__push_event(u64 id, const char *name); 79 char *perf_header__find_event(u64 id); 80 81 void perf_header__set_feat(struct perf_header *header, int feat); 82 void perf_header__clear_feat(struct perf_header *header, int feat); 83 bool perf_header__has_feat(const struct perf_header *header, int feat); 84 85 int perf_header__set_cmdline(int argc, const char **argv); 86 87 int perf_header__process_sections(struct perf_header *header, int fd, 88 void *data, 89 int (*process)(struct perf_file_section *section, 90 struct perf_header *ph, 91 int feat, int fd, void *data)); 92 93 int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); 94 95 int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, 96 const char *name, bool is_kallsyms); 97 int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir); 98 99 int perf_event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id, 100 perf_event__handler_t process, 101 struct perf_session *session); 102 int perf_session__synthesize_attrs(struct perf_session *session, 103 perf_event__handler_t process); 104 int perf_event__process_attr(union perf_event *event, struct perf_session *session); 105 106 int perf_event__synthesize_event_type(u64 event_id, char *name, 107 perf_event__handler_t process, 108 struct perf_session *session); 109 int perf_event__synthesize_event_types(perf_event__handler_t process, 110 struct perf_session *session); 111 int perf_event__process_event_type(union perf_event *event, 112 struct perf_session *session); 113 114 int perf_event__synthesize_tracing_data(int fd, struct perf_evlist *evlist, 115 perf_event__handler_t process, 116 struct perf_session *session); 117 int perf_event__process_tracing_data(union perf_event *event, 118 struct perf_session *session); 119 120 int perf_event__synthesize_build_id(struct dso *pos, u16 misc, 121 perf_event__handler_t process, 122 struct machine *machine, 123 struct perf_session *session); 124 int perf_event__process_build_id(union perf_event *event, 125 struct perf_session *session); 126 127 /* 128 * arch specific callback 129 */ 130 int get_cpuid(char *buffer, size_t sz); 131 132 #endif /* __PERF_HEADER_H */ 133