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