| 1 | #ifndef __PERF_HEADER_H |
| 2 | #define __PERF_HEADER_H |
| 3 | |
| 4 | #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_TRACING_DATA = 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_PMU_MAPPINGS, |
| 32 | HEADER_GROUP_DESC, |
| 33 | HEADER_LAST_FEATURE, |
| 34 | HEADER_FEAT_BITS = 256, |
| 35 | }; |
| 36 | |
| 37 | struct perf_file_section { |
| 38 | u64 offset; |
| 39 | u64 size; |
| 40 | }; |
| 41 | |
| 42 | struct perf_file_header { |
| 43 | u64 magic; |
| 44 | u64 size; |
| 45 | u64 attr_size; |
| 46 | struct perf_file_section attrs; |
| 47 | struct perf_file_section data; |
| 48 | struct perf_file_section event_types; |
| 49 | DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); |
| 50 | }; |
| 51 | |
| 52 | struct perf_pipe_file_header { |
| 53 | u64 magic; |
| 54 | u64 size; |
| 55 | }; |
| 56 | |
| 57 | struct perf_header; |
| 58 | |
| 59 | int perf_file_header__read(struct perf_file_header *header, |
| 60 | struct perf_header *ph, int fd); |
| 61 | |
| 62 | struct perf_session_env { |
| 63 | char *hostname; |
| 64 | char *os_release; |
| 65 | char *version; |
| 66 | char *arch; |
| 67 | int nr_cpus_online; |
| 68 | int nr_cpus_avail; |
| 69 | char *cpu_desc; |
| 70 | char *cpuid; |
| 71 | unsigned long long total_mem; |
| 72 | |
| 73 | int nr_cmdline; |
| 74 | char *cmdline; |
| 75 | int nr_sibling_cores; |
| 76 | char *sibling_cores; |
| 77 | int nr_sibling_threads; |
| 78 | char *sibling_threads; |
| 79 | int nr_numa_nodes; |
| 80 | char *numa_nodes; |
| 81 | int nr_pmu_mappings; |
| 82 | char *pmu_mappings; |
| 83 | int nr_groups; |
| 84 | }; |
| 85 | |
| 86 | struct perf_header { |
| 87 | int frozen; |
| 88 | bool needs_swap; |
| 89 | s64 attr_offset; |
| 90 | u64 data_offset; |
| 91 | u64 data_size; |
| 92 | u64 event_offset; |
| 93 | u64 event_size; |
| 94 | DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); |
| 95 | struct perf_session_env env; |
| 96 | }; |
| 97 | |
| 98 | struct perf_evlist; |
| 99 | struct perf_session; |
| 100 | |
| 101 | int perf_session__read_header(struct perf_session *session, int fd); |
| 102 | int perf_session__write_header(struct perf_session *session, |
| 103 | struct perf_evlist *evlist, |
| 104 | int fd, bool at_exit); |
| 105 | int perf_header__write_pipe(int fd); |
| 106 | |
| 107 | int perf_header__push_event(u64 id, const char *name); |
| 108 | char *perf_header__find_event(u64 id); |
| 109 | |
| 110 | void perf_header__set_feat(struct perf_header *header, int feat); |
| 111 | void perf_header__clear_feat(struct perf_header *header, int feat); |
| 112 | bool perf_header__has_feat(const struct perf_header *header, int feat); |
| 113 | |
| 114 | int perf_header__set_cmdline(int argc, const char **argv); |
| 115 | |
| 116 | int perf_header__process_sections(struct perf_header *header, int fd, |
| 117 | void *data, |
| 118 | int (*process)(struct perf_file_section *section, |
| 119 | struct perf_header *ph, |
| 120 | int feat, int fd, void *data)); |
| 121 | |
| 122 | int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); |
| 123 | |
| 124 | int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, |
| 125 | const char *name, bool is_kallsyms, bool is_vdso); |
| 126 | int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir); |
| 127 | |
| 128 | int perf_event__synthesize_attr(struct perf_tool *tool, |
| 129 | struct perf_event_attr *attr, u32 ids, u64 *id, |
| 130 | perf_event__handler_t process); |
| 131 | int perf_event__synthesize_attrs(struct perf_tool *tool, |
| 132 | struct perf_session *session, |
| 133 | perf_event__handler_t process); |
| 134 | int perf_event__process_attr(union perf_event *event, struct perf_evlist **pevlist); |
| 135 | |
| 136 | int perf_event__synthesize_event_type(struct perf_tool *tool, |
| 137 | u64 event_id, char *name, |
| 138 | perf_event__handler_t process, |
| 139 | struct machine *machine); |
| 140 | int perf_event__synthesize_event_types(struct perf_tool *tool, |
| 141 | perf_event__handler_t process, |
| 142 | struct machine *machine); |
| 143 | int perf_event__process_event_type(struct perf_tool *tool, |
| 144 | union perf_event *event); |
| 145 | |
| 146 | int perf_event__synthesize_tracing_data(struct perf_tool *tool, |
| 147 | int fd, struct perf_evlist *evlist, |
| 148 | perf_event__handler_t process); |
| 149 | int perf_event__process_tracing_data(union perf_event *event, |
| 150 | struct perf_session *session); |
| 151 | |
| 152 | int perf_event__synthesize_build_id(struct perf_tool *tool, |
| 153 | struct dso *pos, u16 misc, |
| 154 | perf_event__handler_t process, |
| 155 | struct machine *machine); |
| 156 | int perf_event__process_build_id(struct perf_tool *tool, |
| 157 | union perf_event *event, |
| 158 | struct perf_session *session); |
| 159 | bool is_perf_magic(u64 magic); |
| 160 | |
| 161 | /* |
| 162 | * arch specific callback |
| 163 | */ |
| 164 | int get_cpuid(char *buffer, size_t sz); |
| 165 | |
| 166 | #endif /* __PERF_HEADER_H */ |