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_RESERVED = 0, /* always cleared */ 14 HEADER_TRACE_INFO = 1, 15 HEADER_BUILD_ID, 16 17 HEADER_HOSTNAME, 18 HEADER_OSRELEASE, 19 HEADER_VERSION, 20 HEADER_ARCH, 21 HEADER_NRCPUS, 22 HEADER_CPUDESC, 23 HEADER_CPUID, 24 HEADER_TOTAL_MEM, 25 HEADER_CMDLINE, 26 HEADER_EVENT_DESC, 27 HEADER_CPU_TOPOLOGY, 28 HEADER_NUMA_TOPOLOGY, 29 30 HEADER_LAST_FEATURE, 31 HEADER_FEAT_BITS = 256, 32 }; 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 struct perf_session; 72 73 int perf_session__read_header(struct perf_session *session, int fd); 74 int perf_session__write_header(struct perf_session *session, 75 struct perf_evlist *evlist, 76 int fd, bool at_exit); 77 int perf_header__write_pipe(int fd); 78 79 int perf_header__push_event(u64 id, const char *name); 80 char *perf_header__find_event(u64 id); 81 82 void perf_header__set_feat(struct perf_header *header, int feat); 83 void perf_header__clear_feat(struct perf_header *header, int feat); 84 bool perf_header__has_feat(const struct perf_header *header, int feat); 85 86 int perf_header__set_cmdline(int argc, const char **argv); 87 88 int perf_header__process_sections(struct perf_header *header, int fd, 89 void *data, 90 int (*process)(struct perf_file_section *section, 91 struct perf_header *ph, 92 int feat, int fd, void *data)); 93 94 int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); 95 96 int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, 97 const char *name, bool is_kallsyms); 98 int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir); 99 100 int perf_event__synthesize_attr(struct perf_tool *tool, 101 struct perf_event_attr *attr, u16 ids, u64 *id, 102 perf_event__handler_t process); 103 int perf_event__synthesize_attrs(struct perf_tool *tool, 104 struct perf_session *session, 105 perf_event__handler_t process); 106 int perf_event__process_attr(union perf_event *event, struct perf_evlist **pevlist); 107 108 int perf_event__synthesize_event_type(struct perf_tool *tool, 109 u64 event_id, char *name, 110 perf_event__handler_t process, 111 struct machine *machine); 112 int perf_event__synthesize_event_types(struct perf_tool *tool, 113 perf_event__handler_t process, 114 struct machine *machine); 115 int perf_event__process_event_type(struct perf_tool *tool, 116 union perf_event *event); 117 118 int perf_event__synthesize_tracing_data(struct perf_tool *tool, 119 int fd, struct perf_evlist *evlist, 120 perf_event__handler_t process); 121 int perf_event__process_tracing_data(union perf_event *event, 122 struct perf_session *session); 123 124 int perf_event__synthesize_build_id(struct perf_tool *tool, 125 struct dso *pos, u16 misc, 126 perf_event__handler_t process, 127 struct machine *machine); 128 int perf_event__process_build_id(struct perf_tool *tool, 129 union perf_event *event, 130 struct perf_session *session); 131 132 /* 133 * arch specific callback 134 */ 135 int get_cpuid(char *buffer, size_t sz); 136 137 #endif /* __PERF_HEADER_H */ 138