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 struct lost_samples_event { 56 struct perf_event_header header; 57 u64 lost; 58 }; 59 60 /* 61 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID 62 */ 63 struct read_event { 64 struct perf_event_header header; 65 u32 pid, tid; 66 u64 value; 67 u64 time_enabled; 68 u64 time_running; 69 u64 id; 70 }; 71 72 struct throttle_event { 73 struct perf_event_header header; 74 u64 time; 75 u64 id; 76 u64 stream_id; 77 }; 78 79 #define PERF_SAMPLE_MASK \ 80 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \ 81 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \ 82 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \ 83 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \ 84 PERF_SAMPLE_IDENTIFIER) 85 86 /* perf sample has 16 bits size limit */ 87 #define PERF_SAMPLE_MAX_SIZE (1 << 16) 88 89 struct sample_event { 90 struct perf_event_header header; 91 u64 array[]; 92 }; 93 94 struct regs_dump { 95 u64 abi; 96 u64 mask; 97 u64 *regs; 98 99 /* Cached values/mask filled by first register access. */ 100 u64 cache_regs[PERF_REGS_MAX]; 101 u64 cache_mask; 102 }; 103 104 struct stack_dump { 105 u16 offset; 106 u64 size; 107 char *data; 108 }; 109 110 struct sample_read_value { 111 u64 value; 112 u64 id; 113 }; 114 115 struct sample_read { 116 u64 time_enabled; 117 u64 time_running; 118 union { 119 struct { 120 u64 nr; 121 struct sample_read_value *values; 122 } group; 123 struct sample_read_value one; 124 }; 125 }; 126 127 struct ip_callchain { 128 u64 nr; 129 u64 ips[0]; 130 }; 131 132 struct branch_flags { 133 u64 mispred:1; 134 u64 predicted:1; 135 u64 in_tx:1; 136 u64 abort:1; 137 u64 cycles:16; 138 u64 reserved:44; 139 }; 140 141 struct branch_entry { 142 u64 from; 143 u64 to; 144 struct branch_flags flags; 145 }; 146 147 struct branch_stack { 148 u64 nr; 149 struct branch_entry entries[0]; 150 }; 151 152 enum { 153 PERF_IP_FLAG_BRANCH = 1ULL << 0, 154 PERF_IP_FLAG_CALL = 1ULL << 1, 155 PERF_IP_FLAG_RETURN = 1ULL << 2, 156 PERF_IP_FLAG_CONDITIONAL = 1ULL << 3, 157 PERF_IP_FLAG_SYSCALLRET = 1ULL << 4, 158 PERF_IP_FLAG_ASYNC = 1ULL << 5, 159 PERF_IP_FLAG_INTERRUPT = 1ULL << 6, 160 PERF_IP_FLAG_TX_ABORT = 1ULL << 7, 161 PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8, 162 PERF_IP_FLAG_TRACE_END = 1ULL << 9, 163 PERF_IP_FLAG_IN_TX = 1ULL << 10, 164 }; 165 166 #define PERF_IP_FLAG_CHARS "bcrosyiABEx" 167 168 #define PERF_BRANCH_MASK (\ 169 PERF_IP_FLAG_BRANCH |\ 170 PERF_IP_FLAG_CALL |\ 171 PERF_IP_FLAG_RETURN |\ 172 PERF_IP_FLAG_CONDITIONAL |\ 173 PERF_IP_FLAG_SYSCALLRET |\ 174 PERF_IP_FLAG_ASYNC |\ 175 PERF_IP_FLAG_INTERRUPT |\ 176 PERF_IP_FLAG_TX_ABORT |\ 177 PERF_IP_FLAG_TRACE_BEGIN |\ 178 PERF_IP_FLAG_TRACE_END) 179 180 struct perf_sample { 181 u64 ip; 182 u32 pid, tid; 183 u64 time; 184 u64 addr; 185 u64 id; 186 u64 stream_id; 187 u64 period; 188 u64 weight; 189 u64 transaction; 190 u32 cpu; 191 u32 raw_size; 192 u64 data_src; 193 u32 flags; 194 u16 insn_len; 195 void *raw_data; 196 struct ip_callchain *callchain; 197 struct branch_stack *branch_stack; 198 struct regs_dump user_regs; 199 struct regs_dump intr_regs; 200 struct stack_dump user_stack; 201 struct sample_read read; 202 }; 203 204 #define PERF_MEM_DATA_SRC_NONE \ 205 (PERF_MEM_S(OP, NA) |\ 206 PERF_MEM_S(LVL, NA) |\ 207 PERF_MEM_S(SNOOP, NA) |\ 208 PERF_MEM_S(LOCK, NA) |\ 209 PERF_MEM_S(TLB, NA)) 210 211 struct build_id_event { 212 struct perf_event_header header; 213 pid_t pid; 214 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))]; 215 char filename[]; 216 }; 217 218 enum perf_user_event_type { /* above any possible kernel type */ 219 PERF_RECORD_USER_TYPE_START = 64, 220 PERF_RECORD_HEADER_ATTR = 64, 221 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */ 222 PERF_RECORD_HEADER_TRACING_DATA = 66, 223 PERF_RECORD_HEADER_BUILD_ID = 67, 224 PERF_RECORD_FINISHED_ROUND = 68, 225 PERF_RECORD_ID_INDEX = 69, 226 PERF_RECORD_AUXTRACE_INFO = 70, 227 PERF_RECORD_AUXTRACE = 71, 228 PERF_RECORD_AUXTRACE_ERROR = 72, 229 PERF_RECORD_THREAD_MAP = 73, 230 PERF_RECORD_CPU_MAP = 74, 231 PERF_RECORD_STAT_CONFIG = 75, 232 PERF_RECORD_STAT = 76, 233 PERF_RECORD_STAT_ROUND = 77, 234 PERF_RECORD_EVENT_UPDATE = 78, 235 PERF_RECORD_HEADER_MAX 236 }; 237 238 enum auxtrace_error_type { 239 PERF_AUXTRACE_ERROR_ITRACE = 1, 240 PERF_AUXTRACE_ERROR_MAX 241 }; 242 243 /* 244 * The kernel collects the number of events it couldn't send in a stretch and 245 * when possible sends this number in a PERF_RECORD_LOST event. The number of 246 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while 247 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is 248 * the sum of all struct lost_event.lost fields reported. 249 * 250 * The kernel discards mixed up samples and sends the number in a 251 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored 252 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells 253 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of 254 * all struct lost_samples_event.lost fields reported. 255 * 256 * The total_period is needed because by default auto-freq is used, so 257 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get 258 * the total number of low level events, it is necessary to to sum all struct 259 * sample_event.period and stash the result in total_period. 260 */ 261 struct events_stats { 262 u64 total_period; 263 u64 total_non_filtered_period; 264 u64 total_lost; 265 u64 total_lost_samples; 266 u64 total_aux_lost; 267 u64 total_invalid_chains; 268 u32 nr_events[PERF_RECORD_HEADER_MAX]; 269 u32 nr_non_filtered_samples; 270 u32 nr_lost_warned; 271 u32 nr_unknown_events; 272 u32 nr_invalid_chains; 273 u32 nr_unknown_id; 274 u32 nr_unprocessable_samples; 275 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX]; 276 u32 nr_proc_map_timeout; 277 }; 278 279 enum { 280 PERF_CPU_MAP__CPUS = 0, 281 PERF_CPU_MAP__MASK = 1, 282 }; 283 284 struct cpu_map_entries { 285 u16 nr; 286 u16 cpu[]; 287 }; 288 289 struct cpu_map_mask { 290 u16 nr; 291 u16 long_size; 292 unsigned long mask[]; 293 }; 294 295 struct cpu_map_data { 296 u16 type; 297 char data[]; 298 }; 299 300 struct cpu_map_event { 301 struct perf_event_header header; 302 struct cpu_map_data data; 303 }; 304 305 struct attr_event { 306 struct perf_event_header header; 307 struct perf_event_attr attr; 308 u64 id[]; 309 }; 310 311 enum { 312 PERF_EVENT_UPDATE__UNIT = 0, 313 PERF_EVENT_UPDATE__SCALE = 1, 314 PERF_EVENT_UPDATE__NAME = 2, 315 PERF_EVENT_UPDATE__CPUS = 3, 316 }; 317 318 struct event_update_event_cpus { 319 struct cpu_map_data cpus; 320 }; 321 322 struct event_update_event_scale { 323 double scale; 324 }; 325 326 struct event_update_event { 327 struct perf_event_header header; 328 u64 type; 329 u64 id; 330 331 char data[]; 332 }; 333 334 #define MAX_EVENT_NAME 64 335 336 struct perf_trace_event_type { 337 u64 event_id; 338 char name[MAX_EVENT_NAME]; 339 }; 340 341 struct event_type_event { 342 struct perf_event_header header; 343 struct perf_trace_event_type event_type; 344 }; 345 346 struct tracing_data_event { 347 struct perf_event_header header; 348 u32 size; 349 }; 350 351 struct id_index_entry { 352 u64 id; 353 u64 idx; 354 u64 cpu; 355 u64 tid; 356 }; 357 358 struct id_index_event { 359 struct perf_event_header header; 360 u64 nr; 361 struct id_index_entry entries[0]; 362 }; 363 364 struct auxtrace_info_event { 365 struct perf_event_header header; 366 u32 type; 367 u32 reserved__; /* For alignment */ 368 u64 priv[]; 369 }; 370 371 struct auxtrace_event { 372 struct perf_event_header header; 373 u64 size; 374 u64 offset; 375 u64 reference; 376 u32 idx; 377 u32 tid; 378 u32 cpu; 379 u32 reserved__; /* For alignment */ 380 }; 381 382 #define MAX_AUXTRACE_ERROR_MSG 64 383 384 struct auxtrace_error_event { 385 struct perf_event_header header; 386 u32 type; 387 u32 code; 388 u32 cpu; 389 u32 pid; 390 u32 tid; 391 u32 reserved__; /* For alignment */ 392 u64 ip; 393 char msg[MAX_AUXTRACE_ERROR_MSG]; 394 }; 395 396 struct aux_event { 397 struct perf_event_header header; 398 u64 aux_offset; 399 u64 aux_size; 400 u64 flags; 401 }; 402 403 struct itrace_start_event { 404 struct perf_event_header header; 405 u32 pid, tid; 406 }; 407 408 struct context_switch_event { 409 struct perf_event_header header; 410 u32 next_prev_pid; 411 u32 next_prev_tid; 412 }; 413 414 struct thread_map_event_entry { 415 u64 pid; 416 char comm[16]; 417 }; 418 419 struct thread_map_event { 420 struct perf_event_header header; 421 u64 nr; 422 struct thread_map_event_entry entries[]; 423 }; 424 425 enum { 426 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0, 427 PERF_STAT_CONFIG_TERM__INTERVAL = 1, 428 PERF_STAT_CONFIG_TERM__SCALE = 2, 429 PERF_STAT_CONFIG_TERM__MAX = 3, 430 }; 431 432 struct stat_config_event_entry { 433 u64 tag; 434 u64 val; 435 }; 436 437 struct stat_config_event { 438 struct perf_event_header header; 439 u64 nr; 440 struct stat_config_event_entry data[]; 441 }; 442 443 struct stat_event { 444 struct perf_event_header header; 445 446 u64 id; 447 u32 cpu; 448 u32 thread; 449 450 union { 451 struct { 452 u64 val; 453 u64 ena; 454 u64 run; 455 }; 456 u64 values[3]; 457 }; 458 }; 459 460 enum { 461 PERF_STAT_ROUND_TYPE__INTERVAL = 0, 462 PERF_STAT_ROUND_TYPE__FINAL = 1, 463 }; 464 465 struct stat_round_event { 466 struct perf_event_header header; 467 u64 type; 468 u64 time; 469 }; 470 471 union perf_event { 472 struct perf_event_header header; 473 struct mmap_event mmap; 474 struct mmap2_event mmap2; 475 struct comm_event comm; 476 struct fork_event fork; 477 struct lost_event lost; 478 struct lost_samples_event lost_samples; 479 struct read_event read; 480 struct throttle_event throttle; 481 struct sample_event sample; 482 struct attr_event attr; 483 struct event_update_event event_update; 484 struct event_type_event event_type; 485 struct tracing_data_event tracing_data; 486 struct build_id_event build_id; 487 struct id_index_event id_index; 488 struct auxtrace_info_event auxtrace_info; 489 struct auxtrace_event auxtrace; 490 struct auxtrace_error_event auxtrace_error; 491 struct aux_event aux; 492 struct itrace_start_event itrace_start; 493 struct context_switch_event context_switch; 494 struct thread_map_event thread_map; 495 struct cpu_map_event cpu_map; 496 struct stat_config_event stat_config; 497 struct stat_event stat; 498 struct stat_round_event stat_round; 499 }; 500 501 void perf_event__print_totals(void); 502 503 struct perf_tool; 504 struct thread_map; 505 struct cpu_map; 506 struct perf_stat_config; 507 struct perf_counts_values; 508 509 typedef int (*perf_event__handler_t)(struct perf_tool *tool, 510 union perf_event *event, 511 struct perf_sample *sample, 512 struct machine *machine); 513 514 int perf_event__synthesize_thread_map(struct perf_tool *tool, 515 struct thread_map *threads, 516 perf_event__handler_t process, 517 struct machine *machine, bool mmap_data, 518 unsigned int proc_map_timeout); 519 int perf_event__synthesize_thread_map2(struct perf_tool *tool, 520 struct thread_map *threads, 521 perf_event__handler_t process, 522 struct machine *machine); 523 int perf_event__synthesize_cpu_map(struct perf_tool *tool, 524 struct cpu_map *cpus, 525 perf_event__handler_t process, 526 struct machine *machine); 527 int perf_event__synthesize_threads(struct perf_tool *tool, 528 perf_event__handler_t process, 529 struct machine *machine, bool mmap_data, 530 unsigned int proc_map_timeout); 531 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, 532 perf_event__handler_t process, 533 struct machine *machine); 534 int perf_event__synthesize_stat_config(struct perf_tool *tool, 535 struct perf_stat_config *config, 536 perf_event__handler_t process, 537 struct machine *machine); 538 void perf_event__read_stat_config(struct perf_stat_config *config, 539 struct stat_config_event *event); 540 int perf_event__synthesize_stat(struct perf_tool *tool, 541 u32 cpu, u32 thread, u64 id, 542 struct perf_counts_values *count, 543 perf_event__handler_t process, 544 struct machine *machine); 545 int perf_event__synthesize_stat_round(struct perf_tool *tool, 546 u64 time, u64 type, 547 perf_event__handler_t process, 548 struct machine *machine); 549 int perf_event__synthesize_modules(struct perf_tool *tool, 550 perf_event__handler_t process, 551 struct machine *machine); 552 553 int perf_event__process_comm(struct perf_tool *tool, 554 union perf_event *event, 555 struct perf_sample *sample, 556 struct machine *machine); 557 int perf_event__process_lost(struct perf_tool *tool, 558 union perf_event *event, 559 struct perf_sample *sample, 560 struct machine *machine); 561 int perf_event__process_lost_samples(struct perf_tool *tool, 562 union perf_event *event, 563 struct perf_sample *sample, 564 struct machine *machine); 565 int perf_event__process_aux(struct perf_tool *tool, 566 union perf_event *event, 567 struct perf_sample *sample, 568 struct machine *machine); 569 int perf_event__process_itrace_start(struct perf_tool *tool, 570 union perf_event *event, 571 struct perf_sample *sample, 572 struct machine *machine); 573 int perf_event__process_switch(struct perf_tool *tool, 574 union perf_event *event, 575 struct perf_sample *sample, 576 struct machine *machine); 577 int perf_event__process_mmap(struct perf_tool *tool, 578 union perf_event *event, 579 struct perf_sample *sample, 580 struct machine *machine); 581 int perf_event__process_mmap2(struct perf_tool *tool, 582 union perf_event *event, 583 struct perf_sample *sample, 584 struct machine *machine); 585 int perf_event__process_fork(struct perf_tool *tool, 586 union perf_event *event, 587 struct perf_sample *sample, 588 struct machine *machine); 589 int perf_event__process_exit(struct perf_tool *tool, 590 union perf_event *event, 591 struct perf_sample *sample, 592 struct machine *machine); 593 int perf_event__process(struct perf_tool *tool, 594 union perf_event *event, 595 struct perf_sample *sample, 596 struct machine *machine); 597 598 struct addr_location; 599 600 int perf_event__preprocess_sample(const union perf_event *event, 601 struct machine *machine, 602 struct addr_location *al, 603 struct perf_sample *sample); 604 605 void addr_location__put(struct addr_location *al); 606 607 struct thread; 608 609 bool is_bts_event(struct perf_event_attr *attr); 610 bool sample_addr_correlates_sym(struct perf_event_attr *attr); 611 void perf_event__preprocess_sample_addr(union perf_event *event, 612 struct perf_sample *sample, 613 struct thread *thread, 614 struct addr_location *al); 615 616 const char *perf_event__name(unsigned int id); 617 618 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, 619 u64 read_format); 620 int perf_event__synthesize_sample(union perf_event *event, u64 type, 621 u64 read_format, 622 const struct perf_sample *sample, 623 bool swapped); 624 625 pid_t perf_event__synthesize_comm(struct perf_tool *tool, 626 union perf_event *event, pid_t pid, 627 perf_event__handler_t process, 628 struct machine *machine); 629 630 int perf_event__synthesize_mmap_events(struct perf_tool *tool, 631 union perf_event *event, 632 pid_t pid, pid_t tgid, 633 perf_event__handler_t process, 634 struct machine *machine, 635 bool mmap_data, 636 unsigned int proc_map_timeout); 637 638 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp); 639 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp); 640 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp); 641 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp); 642 size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp); 643 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp); 644 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp); 645 size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp); 646 size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp); 647 size_t perf_event__fprintf(union perf_event *event, FILE *fp); 648 649 u64 kallsyms__get_function_start(const char *kallsyms_filename, 650 const char *symbol_name); 651 652 void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max); 653 void cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map, 654 u16 type, int max); 655 #endif /* __PERF_RECORD_H */ 656