1 #ifndef __PERF_RECORD_H 2 #define __PERF_RECORD_H 3 4 #include <limits.h> 5 #include <stdio.h> 6 7 #include "../perf.h" 8 #include "map.h" 9 #include "build-id.h" 10 #include "perf_regs.h" 11 12 struct mmap_event { 13 struct perf_event_header header; 14 u32 pid, tid; 15 u64 start; 16 u64 len; 17 u64 pgoff; 18 char filename[PATH_MAX]; 19 }; 20 21 struct mmap2_event { 22 struct perf_event_header header; 23 u32 pid, tid; 24 u64 start; 25 u64 len; 26 u64 pgoff; 27 u32 maj; 28 u32 min; 29 u64 ino; 30 u64 ino_generation; 31 u32 prot; 32 u32 flags; 33 char filename[PATH_MAX]; 34 }; 35 36 struct comm_event { 37 struct perf_event_header header; 38 u32 pid, tid; 39 char comm[16]; 40 }; 41 42 struct fork_event { 43 struct perf_event_header header; 44 u32 pid, ppid; 45 u32 tid, ptid; 46 u64 time; 47 }; 48 49 struct lost_event { 50 struct perf_event_header header; 51 u64 id; 52 u64 lost; 53 }; 54 55 /* 56 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID 57 */ 58 struct read_event { 59 struct perf_event_header header; 60 u32 pid, tid; 61 u64 value; 62 u64 time_enabled; 63 u64 time_running; 64 u64 id; 65 }; 66 67 struct throttle_event { 68 struct perf_event_header header; 69 u64 time; 70 u64 id; 71 u64 stream_id; 72 }; 73 74 #define PERF_SAMPLE_MASK \ 75 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \ 76 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \ 77 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \ 78 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \ 79 PERF_SAMPLE_IDENTIFIER) 80 81 /* perf sample has 16 bits size limit */ 82 #define PERF_SAMPLE_MAX_SIZE (1 << 16) 83 84 struct sample_event { 85 struct perf_event_header header; 86 u64 array[]; 87 }; 88 89 struct regs_dump { 90 u64 abi; 91 u64 mask; 92 u64 *regs; 93 94 /* Cached values/mask filled by first register access. */ 95 u64 cache_regs[PERF_REGS_MAX]; 96 u64 cache_mask; 97 }; 98 99 struct stack_dump { 100 u16 offset; 101 u64 size; 102 char *data; 103 }; 104 105 struct sample_read_value { 106 u64 value; 107 u64 id; 108 }; 109 110 struct sample_read { 111 u64 time_enabled; 112 u64 time_running; 113 union { 114 struct { 115 u64 nr; 116 struct sample_read_value *values; 117 } group; 118 struct sample_read_value one; 119 }; 120 }; 121 122 struct ip_callchain { 123 u64 nr; 124 u64 ips[0]; 125 }; 126 127 struct branch_flags { 128 u64 mispred:1; 129 u64 predicted:1; 130 u64 in_tx:1; 131 u64 abort:1; 132 u64 reserved:60; 133 }; 134 135 struct branch_entry { 136 u64 from; 137 u64 to; 138 struct branch_flags flags; 139 }; 140 141 struct branch_stack { 142 u64 nr; 143 struct branch_entry entries[0]; 144 }; 145 146 struct perf_sample { 147 u64 ip; 148 u32 pid, tid; 149 u64 time; 150 u64 addr; 151 u64 id; 152 u64 stream_id; 153 u64 period; 154 u64 weight; 155 u64 transaction; 156 u32 cpu; 157 u32 raw_size; 158 u64 data_src; 159 void *raw_data; 160 struct ip_callchain *callchain; 161 struct branch_stack *branch_stack; 162 struct regs_dump user_regs; 163 struct stack_dump user_stack; 164 struct sample_read read; 165 }; 166 167 #define PERF_MEM_DATA_SRC_NONE \ 168 (PERF_MEM_S(OP, NA) |\ 169 PERF_MEM_S(LVL, NA) |\ 170 PERF_MEM_S(SNOOP, NA) |\ 171 PERF_MEM_S(LOCK, NA) |\ 172 PERF_MEM_S(TLB, NA)) 173 174 struct build_id_event { 175 struct perf_event_header header; 176 pid_t pid; 177 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))]; 178 char filename[]; 179 }; 180 181 enum perf_user_event_type { /* above any possible kernel type */ 182 PERF_RECORD_USER_TYPE_START = 64, 183 PERF_RECORD_HEADER_ATTR = 64, 184 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */ 185 PERF_RECORD_HEADER_TRACING_DATA = 66, 186 PERF_RECORD_HEADER_BUILD_ID = 67, 187 PERF_RECORD_FINISHED_ROUND = 68, 188 PERF_RECORD_HEADER_MAX 189 }; 190 191 struct attr_event { 192 struct perf_event_header header; 193 struct perf_event_attr attr; 194 u64 id[]; 195 }; 196 197 #define MAX_EVENT_NAME 64 198 199 struct perf_trace_event_type { 200 u64 event_id; 201 char name[MAX_EVENT_NAME]; 202 }; 203 204 struct event_type_event { 205 struct perf_event_header header; 206 struct perf_trace_event_type event_type; 207 }; 208 209 struct tracing_data_event { 210 struct perf_event_header header; 211 u32 size; 212 }; 213 214 union perf_event { 215 struct perf_event_header header; 216 struct mmap_event mmap; 217 struct mmap2_event mmap2; 218 struct comm_event comm; 219 struct fork_event fork; 220 struct lost_event lost; 221 struct read_event read; 222 struct throttle_event throttle; 223 struct sample_event sample; 224 struct attr_event attr; 225 struct event_type_event event_type; 226 struct tracing_data_event tracing_data; 227 struct build_id_event build_id; 228 }; 229 230 void perf_event__print_totals(void); 231 232 struct perf_tool; 233 struct thread_map; 234 235 typedef int (*perf_event__handler_t)(struct perf_tool *tool, 236 union perf_event *event, 237 struct perf_sample *sample, 238 struct machine *machine); 239 240 int perf_event__synthesize_thread_map(struct perf_tool *tool, 241 struct thread_map *threads, 242 perf_event__handler_t process, 243 struct machine *machine, bool mmap_data); 244 int perf_event__synthesize_threads(struct perf_tool *tool, 245 perf_event__handler_t process, 246 struct machine *machine, bool mmap_data); 247 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, 248 perf_event__handler_t process, 249 struct machine *machine); 250 251 int perf_event__synthesize_modules(struct perf_tool *tool, 252 perf_event__handler_t process, 253 struct machine *machine); 254 255 int perf_event__process_comm(struct perf_tool *tool, 256 union perf_event *event, 257 struct perf_sample *sample, 258 struct machine *machine); 259 int perf_event__process_lost(struct perf_tool *tool, 260 union perf_event *event, 261 struct perf_sample *sample, 262 struct machine *machine); 263 int perf_event__process_mmap(struct perf_tool *tool, 264 union perf_event *event, 265 struct perf_sample *sample, 266 struct machine *machine); 267 int perf_event__process_mmap2(struct perf_tool *tool, 268 union perf_event *event, 269 struct perf_sample *sample, 270 struct machine *machine); 271 int perf_event__process_fork(struct perf_tool *tool, 272 union perf_event *event, 273 struct perf_sample *sample, 274 struct machine *machine); 275 int perf_event__process_exit(struct perf_tool *tool, 276 union perf_event *event, 277 struct perf_sample *sample, 278 struct machine *machine); 279 int perf_event__process(struct perf_tool *tool, 280 union perf_event *event, 281 struct perf_sample *sample, 282 struct machine *machine); 283 284 struct addr_location; 285 286 int perf_event__preprocess_sample(const union perf_event *event, 287 struct machine *machine, 288 struct addr_location *al, 289 struct perf_sample *sample); 290 291 struct thread; 292 293 bool is_bts_event(struct perf_event_attr *attr); 294 bool sample_addr_correlates_sym(struct perf_event_attr *attr); 295 void perf_event__preprocess_sample_addr(union perf_event *event, 296 struct perf_sample *sample, 297 struct machine *machine, 298 struct thread *thread, 299 struct addr_location *al); 300 301 const char *perf_event__name(unsigned int id); 302 303 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, 304 u64 read_format); 305 int perf_event__synthesize_sample(union perf_event *event, u64 type, 306 u64 read_format, 307 const struct perf_sample *sample, 308 bool swapped); 309 310 int perf_event__synthesize_mmap_events(struct perf_tool *tool, 311 union perf_event *event, 312 pid_t pid, pid_t tgid, 313 perf_event__handler_t process, 314 struct machine *machine, 315 bool mmap_data); 316 317 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp); 318 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp); 319 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp); 320 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp); 321 size_t perf_event__fprintf(union perf_event *event, FILE *fp); 322 323 u64 kallsyms__get_function_start(const char *kallsyms_filename, 324 const char *symbol_name); 325 326 #endif /* __PERF_RECORD_H */ 327