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_FIRST_FEATURE = 1, 15 HEADER_TRACE_INFO = 1, 16 HEADER_BUILD_ID, 17 18 HEADER_HOSTNAME, 19 HEADER_OSRELEASE, 20 HEADER_VERSION, 21 HEADER_ARCH, 22 HEADER_NRCPUS, 23 HEADER_CPUDESC, 24 HEADER_CPUID, 25 HEADER_TOTAL_MEM, 26 HEADER_CMDLINE, 27 HEADER_EVENT_DESC, 28 HEADER_CPU_TOPOLOGY, 29 HEADER_NUMA_TOPOLOGY, 30 HEADER_BRANCH_STACK, 31 HEADER_LAST_FEATURE, 32 HEADER_FEAT_BITS = 256, 33 }; 34 35 struct perf_file_section { 36 u64 offset; 37 u64 size; 38 }; 39 40 struct perf_file_header { 41 u64 magic; 42 u64 size; 43 u64 attr_size; 44 struct perf_file_section attrs; 45 struct perf_file_section data; 46 struct perf_file_section event_types; 47 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 48 }; 49 50 struct perf_pipe_file_header { 51 u64 magic; 52 u64 size; 53 }; 54 55 struct perf_header; 56 57 int perf_file_header__read(struct perf_file_header *header, 58 struct perf_header *ph, int fd); 59 60 struct perf_header { 61 int frozen; 62 bool needs_swap; 63 s64 attr_offset; 64 u64 data_offset; 65 u64 data_size; 66 u64 event_offset; 67 u64 event_size; 68 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 69 }; 70 71 struct perf_evlist; 72 struct perf_session; 73 74 int perf_session__read_header(struct perf_session *session, int fd); 75 int perf_session__write_header(struct perf_session *session, 76 struct perf_evlist *evlist, 77 int fd, bool at_exit); 78 int perf_header__write_pipe(int fd); 79 80 int perf_header__push_event(u64 id, const char *name); 81 char *perf_header__find_event(u64 id); 82 83 void perf_header__set_feat(struct perf_header *header, int feat); 84 void perf_header__clear_feat(struct perf_header *header, int feat); 85 bool perf_header__has_feat(const struct perf_header *header, int feat); 86 87 int perf_header__set_cmdline(int argc, const char **argv); 88 89 int perf_header__process_sections(struct perf_header *header, int fd, 90 void *data, 91 int (*process)(struct perf_file_section *section, 92 struct perf_header *ph, 93 int feat, int fd, void *data)); 94 95 int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); 96 97 int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, 98 const char *name, bool is_kallsyms); 99 int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir); 100 101 int perf_event__synthesize_attr(struct perf_tool *tool, 102 struct perf_event_attr *attr, u16 ids, u64 *id, 103 perf_event__handler_t process); 104 int perf_event__synthesize_attrs(struct perf_tool *tool, 105 struct perf_session *session, 106 perf_event__handler_t process); 107 int perf_event__process_attr(union perf_event *event, struct perf_evlist **pevlist); 108 109 int perf_event__synthesize_event_type(struct perf_tool *tool, 110 u64 event_id, char *name, 111 perf_event__handler_t process, 112 struct machine *machine); 113 int perf_event__synthesize_event_types(struct perf_tool *tool, 114 perf_event__handler_t process, 115 struct machine *machine); 116 int perf_event__process_event_type(struct perf_tool *tool, 117 union perf_event *event); 118 119 int perf_event__synthesize_tracing_data(struct perf_tool *tool, 120 int fd, struct perf_evlist *evlist, 121 perf_event__handler_t process); 122 int perf_event__process_tracing_data(union perf_event *event, 123 struct perf_session *session); 124 125 int perf_event__synthesize_build_id(struct perf_tool *tool, 126 struct dso *pos, u16 misc, 127 perf_event__handler_t process, 128 struct machine *machine); 129 int perf_event__process_build_id(struct perf_tool *tool, 130 union perf_event *event, 131 struct perf_session *session); 132 133 /* 134 * arch specific callback 135 */ 136 int get_cpuid(char *buffer, size_t sz); 137 138 #endif /* __PERF_HEADER_H */ 139