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 u8 cpumode; 196 void *raw_data; 197 struct ip_callchain *callchain; 198 struct branch_stack *branch_stack; 199 struct regs_dump user_regs; 200 struct regs_dump intr_regs; 201 struct stack_dump user_stack; 202 struct sample_read read; 203 }; 204 205 #define PERF_MEM_DATA_SRC_NONE \ 206 (PERF_MEM_S(OP, NA) |\ 207 PERF_MEM_S(LVL, NA) |\ 208 PERF_MEM_S(SNOOP, NA) |\ 209 PERF_MEM_S(LOCK, NA) |\ 210 PERF_MEM_S(TLB, NA)) 211 212 struct build_id_event { 213 struct perf_event_header header; 214 pid_t pid; 215 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))]; 216 char filename[]; 217 }; 218 219 enum perf_user_event_type { /* above any possible kernel type */ 220 PERF_RECORD_USER_TYPE_START = 64, 221 PERF_RECORD_HEADER_ATTR = 64, 222 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */ 223 PERF_RECORD_HEADER_TRACING_DATA = 66, 224 PERF_RECORD_HEADER_BUILD_ID = 67, 225 PERF_RECORD_FINISHED_ROUND = 68, 226 PERF_RECORD_ID_INDEX = 69, 227 PERF_RECORD_AUXTRACE_INFO = 70, 228 PERF_RECORD_AUXTRACE = 71, 229 PERF_RECORD_AUXTRACE_ERROR = 72, 230 PERF_RECORD_THREAD_MAP = 73, 231 PERF_RECORD_CPU_MAP = 74, 232 PERF_RECORD_STAT_CONFIG = 75, 233 PERF_RECORD_STAT = 76, 234 PERF_RECORD_STAT_ROUND = 77, 235 PERF_RECORD_EVENT_UPDATE = 78, 236 PERF_RECORD_TIME_CONV = 79, 237 PERF_RECORD_HEADER_MAX 238 }; 239 240 enum auxtrace_error_type { 241 PERF_AUXTRACE_ERROR_ITRACE = 1, 242 PERF_AUXTRACE_ERROR_MAX 243 }; 244 245 /* 246 * The kernel collects the number of events it couldn't send in a stretch and 247 * when possible sends this number in a PERF_RECORD_LOST event. The number of 248 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while 249 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is 250 * the sum of all struct lost_event.lost fields reported. 251 * 252 * The kernel discards mixed up samples and sends the number in a 253 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored 254 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells 255 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of 256 * all struct lost_samples_event.lost fields reported. 257 * 258 * The total_period is needed because by default auto-freq is used, so 259 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get 260 * the total number of low level events, it is necessary to to sum all struct 261 * sample_event.period and stash the result in total_period. 262 */ 263 struct events_stats { 264 u64 total_period; 265 u64 total_non_filtered_period; 266 u64 total_lost; 267 u64 total_lost_samples; 268 u64 total_aux_lost; 269 u64 total_invalid_chains; 270 u32 nr_events[PERF_RECORD_HEADER_MAX]; 271 u32 nr_non_filtered_samples; 272 u32 nr_lost_warned; 273 u32 nr_unknown_events; 274 u32 nr_invalid_chains; 275 u32 nr_unknown_id; 276 u32 nr_unprocessable_samples; 277 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX]; 278 u32 nr_proc_map_timeout; 279 }; 280 281 enum { 282 PERF_CPU_MAP__CPUS = 0, 283 PERF_CPU_MAP__MASK = 1, 284 }; 285 286 struct cpu_map_entries { 287 u16 nr; 288 u16 cpu[]; 289 }; 290 291 struct cpu_map_mask { 292 u16 nr; 293 u16 long_size; 294 unsigned long mask[]; 295 }; 296 297 struct cpu_map_data { 298 u16 type; 299 char data[]; 300 }; 301 302 struct cpu_map_event { 303 struct perf_event_header header; 304 struct cpu_map_data data; 305 }; 306 307 struct attr_event { 308 struct perf_event_header header; 309 struct perf_event_attr attr; 310 u64 id[]; 311 }; 312 313 enum { 314 PERF_EVENT_UPDATE__UNIT = 0, 315 PERF_EVENT_UPDATE__SCALE = 1, 316 PERF_EVENT_UPDATE__NAME = 2, 317 PERF_EVENT_UPDATE__CPUS = 3, 318 }; 319 320 struct event_update_event_cpus { 321 struct cpu_map_data cpus; 322 }; 323 324 struct event_update_event_scale { 325 double scale; 326 }; 327 328 struct event_update_event { 329 struct perf_event_header header; 330 u64 type; 331 u64 id; 332 333 char data[]; 334 }; 335 336 #define MAX_EVENT_NAME 64 337 338 struct perf_trace_event_type { 339 u64 event_id; 340 char name[MAX_EVENT_NAME]; 341 }; 342 343 struct event_type_event { 344 struct perf_event_header header; 345 struct perf_trace_event_type event_type; 346 }; 347 348 struct tracing_data_event { 349 struct perf_event_header header; 350 u32 size; 351 }; 352 353 struct id_index_entry { 354 u64 id; 355 u64 idx; 356 u64 cpu; 357 u64 tid; 358 }; 359 360 struct id_index_event { 361 struct perf_event_header header; 362 u64 nr; 363 struct id_index_entry entries[0]; 364 }; 365 366 struct auxtrace_info_event { 367 struct perf_event_header header; 368 u32 type; 369 u32 reserved__; /* For alignment */ 370 u64 priv[]; 371 }; 372 373 struct auxtrace_event { 374 struct perf_event_header header; 375 u64 size; 376 u64 offset; 377 u64 reference; 378 u32 idx; 379 u32 tid; 380 u32 cpu; 381 u32 reserved__; /* For alignment */ 382 }; 383 384 #define MAX_AUXTRACE_ERROR_MSG 64 385 386 struct auxtrace_error_event { 387 struct perf_event_header header; 388 u32 type; 389 u32 code; 390 u32 cpu; 391 u32 pid; 392 u32 tid; 393 u32 reserved__; /* For alignment */ 394 u64 ip; 395 char msg[MAX_AUXTRACE_ERROR_MSG]; 396 }; 397 398 struct aux_event { 399 struct perf_event_header header; 400 u64 aux_offset; 401 u64 aux_size; 402 u64 flags; 403 }; 404 405 struct itrace_start_event { 406 struct perf_event_header header; 407 u32 pid, tid; 408 }; 409 410 struct context_switch_event { 411 struct perf_event_header header; 412 u32 next_prev_pid; 413 u32 next_prev_tid; 414 }; 415 416 struct thread_map_event_entry { 417 u64 pid; 418 char comm[16]; 419 }; 420 421 struct thread_map_event { 422 struct perf_event_header header; 423 u64 nr; 424 struct thread_map_event_entry entries[]; 425 }; 426 427 enum { 428 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0, 429 PERF_STAT_CONFIG_TERM__INTERVAL = 1, 430 PERF_STAT_CONFIG_TERM__SCALE = 2, 431 PERF_STAT_CONFIG_TERM__MAX = 3, 432 }; 433 434 struct stat_config_event_entry { 435 u64 tag; 436 u64 val; 437 }; 438 439 struct stat_config_event { 440 struct perf_event_header header; 441 u64 nr; 442 struct stat_config_event_entry data[]; 443 }; 444 445 struct stat_event { 446 struct perf_event_header header; 447 448 u64 id; 449 u32 cpu; 450 u32 thread; 451 452 union { 453 struct { 454 u64 val; 455 u64 ena; 456 u64 run; 457 }; 458 u64 values[3]; 459 }; 460 }; 461 462 enum { 463 PERF_STAT_ROUND_TYPE__INTERVAL = 0, 464 PERF_STAT_ROUND_TYPE__FINAL = 1, 465 }; 466 467 struct stat_round_event { 468 struct perf_event_header header; 469 u64 type; 470 u64 time; 471 }; 472 473 struct time_conv_event { 474 struct perf_event_header header; 475 u64 time_shift; 476 u64 time_mult; 477 u64 time_zero; 478 }; 479 480 union perf_event { 481 struct perf_event_header header; 482 struct mmap_event mmap; 483 struct mmap2_event mmap2; 484 struct comm_event comm; 485 struct fork_event fork; 486 struct lost_event lost; 487 struct lost_samples_event lost_samples; 488 struct read_event read; 489 struct throttle_event throttle; 490 struct sample_event sample; 491 struct attr_event attr; 492 struct event_update_event event_update; 493 struct event_type_event event_type; 494 struct tracing_data_event tracing_data; 495 struct build_id_event build_id; 496 struct id_index_event id_index; 497 struct auxtrace_info_event auxtrace_info; 498 struct auxtrace_event auxtrace; 499 struct auxtrace_error_event auxtrace_error; 500 struct aux_event aux; 501 struct itrace_start_event itrace_start; 502 struct context_switch_event context_switch; 503 struct thread_map_event thread_map; 504 struct cpu_map_event cpu_map; 505 struct stat_config_event stat_config; 506 struct stat_event stat; 507 struct stat_round_event stat_round; 508 struct time_conv_event time_conv; 509 }; 510 511 void perf_event__print_totals(void); 512 513 struct perf_tool; 514 struct thread_map; 515 struct cpu_map; 516 struct perf_stat_config; 517 struct perf_counts_values; 518 519 typedef int (*perf_event__handler_t)(struct perf_tool *tool, 520 union perf_event *event, 521 struct perf_sample *sample, 522 struct machine *machine); 523 524 int perf_event__synthesize_thread_map(struct perf_tool *tool, 525 struct thread_map *threads, 526 perf_event__handler_t process, 527 struct machine *machine, bool mmap_data, 528 unsigned int proc_map_timeout); 529 int perf_event__synthesize_thread_map2(struct perf_tool *tool, 530 struct thread_map *threads, 531 perf_event__handler_t process, 532 struct machine *machine); 533 int perf_event__synthesize_cpu_map(struct perf_tool *tool, 534 struct cpu_map *cpus, 535 perf_event__handler_t process, 536 struct machine *machine); 537 int perf_event__synthesize_threads(struct perf_tool *tool, 538 perf_event__handler_t process, 539 struct machine *machine, bool mmap_data, 540 unsigned int proc_map_timeout); 541 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, 542 perf_event__handler_t process, 543 struct machine *machine); 544 int perf_event__synthesize_stat_config(struct perf_tool *tool, 545 struct perf_stat_config *config, 546 perf_event__handler_t process, 547 struct machine *machine); 548 void perf_event__read_stat_config(struct perf_stat_config *config, 549 struct stat_config_event *event); 550 int perf_event__synthesize_stat(struct perf_tool *tool, 551 u32 cpu, u32 thread, u64 id, 552 struct perf_counts_values *count, 553 perf_event__handler_t process, 554 struct machine *machine); 555 int perf_event__synthesize_stat_round(struct perf_tool *tool, 556 u64 time, u64 type, 557 perf_event__handler_t process, 558 struct machine *machine); 559 int perf_event__synthesize_modules(struct perf_tool *tool, 560 perf_event__handler_t process, 561 struct machine *machine); 562 563 int perf_event__process_comm(struct perf_tool *tool, 564 union perf_event *event, 565 struct perf_sample *sample, 566 struct machine *machine); 567 int perf_event__process_lost(struct perf_tool *tool, 568 union perf_event *event, 569 struct perf_sample *sample, 570 struct machine *machine); 571 int perf_event__process_lost_samples(struct perf_tool *tool, 572 union perf_event *event, 573 struct perf_sample *sample, 574 struct machine *machine); 575 int perf_event__process_aux(struct perf_tool *tool, 576 union perf_event *event, 577 struct perf_sample *sample, 578 struct machine *machine); 579 int perf_event__process_itrace_start(struct perf_tool *tool, 580 union perf_event *event, 581 struct perf_sample *sample, 582 struct machine *machine); 583 int perf_event__process_switch(struct perf_tool *tool, 584 union perf_event *event, 585 struct perf_sample *sample, 586 struct machine *machine); 587 int perf_event__process_mmap(struct perf_tool *tool, 588 union perf_event *event, 589 struct perf_sample *sample, 590 struct machine *machine); 591 int perf_event__process_mmap2(struct perf_tool *tool, 592 union perf_event *event, 593 struct perf_sample *sample, 594 struct machine *machine); 595 int perf_event__process_fork(struct perf_tool *tool, 596 union perf_event *event, 597 struct perf_sample *sample, 598 struct machine *machine); 599 int perf_event__process_exit(struct perf_tool *tool, 600 union perf_event *event, 601 struct perf_sample *sample, 602 struct machine *machine); 603 int perf_event__process(struct perf_tool *tool, 604 union perf_event *event, 605 struct perf_sample *sample, 606 struct machine *machine); 607 608 struct addr_location; 609 610 int machine__resolve(struct machine *machine, struct addr_location *al, 611 struct perf_sample *sample); 612 613 void addr_location__put(struct addr_location *al); 614 615 struct thread; 616 617 bool is_bts_event(struct perf_event_attr *attr); 618 bool sample_addr_correlates_sym(struct perf_event_attr *attr); 619 void thread__resolve(struct thread *thread, struct addr_location *al, 620 struct perf_sample *sample); 621 622 const char *perf_event__name(unsigned int id); 623 624 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, 625 u64 read_format); 626 int perf_event__synthesize_sample(union perf_event *event, u64 type, 627 u64 read_format, 628 const struct perf_sample *sample, 629 bool swapped); 630 631 pid_t perf_event__synthesize_comm(struct perf_tool *tool, 632 union perf_event *event, pid_t pid, 633 perf_event__handler_t process, 634 struct machine *machine); 635 636 int perf_event__synthesize_mmap_events(struct perf_tool *tool, 637 union perf_event *event, 638 pid_t pid, pid_t tgid, 639 perf_event__handler_t process, 640 struct machine *machine, 641 bool mmap_data, 642 unsigned int proc_map_timeout); 643 644 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp); 645 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp); 646 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp); 647 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp); 648 size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp); 649 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp); 650 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp); 651 size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp); 652 size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp); 653 size_t perf_event__fprintf(union perf_event *event, FILE *fp); 654 655 u64 kallsyms__get_function_start(const char *kallsyms_filename, 656 const char *symbol_name); 657 658 void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max); 659 void cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map, 660 u16 type, int max); 661 #endif /* __PERF_RECORD_H */ 662