1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __PERF_RECORD_H 3 #define __PERF_RECORD_H 4 5 #include <limits.h> 6 #include <stdio.h> 7 #include <linux/kernel.h> 8 #include <linux/bpf.h> 9 10 #include "../perf.h" 11 #include "build-id.h" 12 #include "perf_regs.h" 13 14 struct mmap_event { 15 struct perf_event_header header; 16 u32 pid, tid; 17 u64 start; 18 u64 len; 19 u64 pgoff; 20 char filename[PATH_MAX]; 21 }; 22 23 struct mmap2_event { 24 struct perf_event_header header; 25 u32 pid, tid; 26 u64 start; 27 u64 len; 28 u64 pgoff; 29 u32 maj; 30 u32 min; 31 u64 ino; 32 u64 ino_generation; 33 u32 prot; 34 u32 flags; 35 char filename[PATH_MAX]; 36 }; 37 38 struct comm_event { 39 struct perf_event_header header; 40 u32 pid, tid; 41 char comm[16]; 42 }; 43 44 struct namespaces_event { 45 struct perf_event_header header; 46 u32 pid, tid; 47 u64 nr_namespaces; 48 struct perf_ns_link_info link_info[]; 49 }; 50 51 struct fork_event { 52 struct perf_event_header header; 53 u32 pid, ppid; 54 u32 tid, ptid; 55 u64 time; 56 }; 57 58 struct lost_event { 59 struct perf_event_header header; 60 u64 id; 61 u64 lost; 62 }; 63 64 struct lost_samples_event { 65 struct perf_event_header header; 66 u64 lost; 67 }; 68 69 /* 70 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID 71 */ 72 struct read_event { 73 struct perf_event_header header; 74 u32 pid, tid; 75 u64 value; 76 u64 time_enabled; 77 u64 time_running; 78 u64 id; 79 }; 80 81 struct throttle_event { 82 struct perf_event_header header; 83 u64 time; 84 u64 id; 85 u64 stream_id; 86 }; 87 88 #ifndef KSYM_NAME_LEN 89 #define KSYM_NAME_LEN 256 90 #endif 91 92 struct ksymbol_event { 93 struct perf_event_header header; 94 u64 addr; 95 u32 len; 96 u16 ksym_type; 97 u16 flags; 98 char name[KSYM_NAME_LEN]; 99 }; 100 101 struct bpf_event { 102 struct perf_event_header header; 103 u16 type; 104 u16 flags; 105 u32 id; 106 107 /* for bpf_prog types */ 108 u8 tag[BPF_TAG_SIZE]; // prog tag 109 }; 110 111 #define PERF_SAMPLE_MASK \ 112 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \ 113 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \ 114 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \ 115 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \ 116 PERF_SAMPLE_IDENTIFIER) 117 118 /* perf sample has 16 bits size limit */ 119 #define PERF_SAMPLE_MAX_SIZE (1 << 16) 120 121 struct sample_event { 122 struct perf_event_header header; 123 u64 array[]; 124 }; 125 126 struct regs_dump { 127 u64 abi; 128 u64 mask; 129 u64 *regs; 130 131 /* Cached values/mask filled by first register access. */ 132 u64 cache_regs[PERF_REGS_MAX]; 133 u64 cache_mask; 134 }; 135 136 struct stack_dump { 137 u16 offset; 138 u64 size; 139 char *data; 140 }; 141 142 struct sample_read_value { 143 u64 value; 144 u64 id; 145 }; 146 147 struct sample_read { 148 u64 time_enabled; 149 u64 time_running; 150 union { 151 struct { 152 u64 nr; 153 struct sample_read_value *values; 154 } group; 155 struct sample_read_value one; 156 }; 157 }; 158 159 struct ip_callchain { 160 u64 nr; 161 u64 ips[0]; 162 }; 163 164 struct branch_stack; 165 166 enum { 167 PERF_IP_FLAG_BRANCH = 1ULL << 0, 168 PERF_IP_FLAG_CALL = 1ULL << 1, 169 PERF_IP_FLAG_RETURN = 1ULL << 2, 170 PERF_IP_FLAG_CONDITIONAL = 1ULL << 3, 171 PERF_IP_FLAG_SYSCALLRET = 1ULL << 4, 172 PERF_IP_FLAG_ASYNC = 1ULL << 5, 173 PERF_IP_FLAG_INTERRUPT = 1ULL << 6, 174 PERF_IP_FLAG_TX_ABORT = 1ULL << 7, 175 PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8, 176 PERF_IP_FLAG_TRACE_END = 1ULL << 9, 177 PERF_IP_FLAG_IN_TX = 1ULL << 10, 178 }; 179 180 #define PERF_IP_FLAG_CHARS "bcrosyiABEx" 181 182 #define PERF_BRANCH_MASK (\ 183 PERF_IP_FLAG_BRANCH |\ 184 PERF_IP_FLAG_CALL |\ 185 PERF_IP_FLAG_RETURN |\ 186 PERF_IP_FLAG_CONDITIONAL |\ 187 PERF_IP_FLAG_SYSCALLRET |\ 188 PERF_IP_FLAG_ASYNC |\ 189 PERF_IP_FLAG_INTERRUPT |\ 190 PERF_IP_FLAG_TX_ABORT |\ 191 PERF_IP_FLAG_TRACE_BEGIN |\ 192 PERF_IP_FLAG_TRACE_END) 193 194 #define MAX_INSN 16 195 196 struct perf_sample { 197 u64 ip; 198 u32 pid, tid; 199 u64 time; 200 u64 addr; 201 u64 id; 202 u64 stream_id; 203 u64 period; 204 u64 weight; 205 u64 transaction; 206 u32 cpu; 207 u32 raw_size; 208 u64 data_src; 209 u64 phys_addr; 210 u32 flags; 211 u16 insn_len; 212 u8 cpumode; 213 u16 misc; 214 char insn[MAX_INSN]; 215 void *raw_data; 216 struct ip_callchain *callchain; 217 struct branch_stack *branch_stack; 218 struct regs_dump user_regs; 219 struct regs_dump intr_regs; 220 struct stack_dump user_stack; 221 struct sample_read read; 222 }; 223 224 #define PERF_MEM_DATA_SRC_NONE \ 225 (PERF_MEM_S(OP, NA) |\ 226 PERF_MEM_S(LVL, NA) |\ 227 PERF_MEM_S(SNOOP, NA) |\ 228 PERF_MEM_S(LOCK, NA) |\ 229 PERF_MEM_S(TLB, NA)) 230 231 struct build_id_event { 232 struct perf_event_header header; 233 pid_t pid; 234 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))]; 235 char filename[]; 236 }; 237 238 enum perf_user_event_type { /* above any possible kernel type */ 239 PERF_RECORD_USER_TYPE_START = 64, 240 PERF_RECORD_HEADER_ATTR = 64, 241 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* deprecated */ 242 PERF_RECORD_HEADER_TRACING_DATA = 66, 243 PERF_RECORD_HEADER_BUILD_ID = 67, 244 PERF_RECORD_FINISHED_ROUND = 68, 245 PERF_RECORD_ID_INDEX = 69, 246 PERF_RECORD_AUXTRACE_INFO = 70, 247 PERF_RECORD_AUXTRACE = 71, 248 PERF_RECORD_AUXTRACE_ERROR = 72, 249 PERF_RECORD_THREAD_MAP = 73, 250 PERF_RECORD_CPU_MAP = 74, 251 PERF_RECORD_STAT_CONFIG = 75, 252 PERF_RECORD_STAT = 76, 253 PERF_RECORD_STAT_ROUND = 77, 254 PERF_RECORD_EVENT_UPDATE = 78, 255 PERF_RECORD_TIME_CONV = 79, 256 PERF_RECORD_HEADER_FEATURE = 80, 257 PERF_RECORD_HEADER_MAX 258 }; 259 260 enum auxtrace_error_type { 261 PERF_AUXTRACE_ERROR_ITRACE = 1, 262 PERF_AUXTRACE_ERROR_MAX 263 }; 264 265 /* Attribute type for custom synthesized events */ 266 #define PERF_TYPE_SYNTH (INT_MAX + 1U) 267 268 /* Attribute config for custom synthesized events */ 269 enum perf_synth_id { 270 PERF_SYNTH_INTEL_PTWRITE, 271 PERF_SYNTH_INTEL_MWAIT, 272 PERF_SYNTH_INTEL_PWRE, 273 PERF_SYNTH_INTEL_EXSTOP, 274 PERF_SYNTH_INTEL_PWRX, 275 PERF_SYNTH_INTEL_CBR, 276 }; 277 278 /* 279 * Raw data formats for synthesized events. Note that 4 bytes of padding are 280 * present to match the 'size' member of PERF_SAMPLE_RAW data which is always 281 * 8-byte aligned. That means we must dereference raw_data with an offset of 4. 282 * Refer perf_sample__synth_ptr() and perf_synth__raw_data(). It also means the 283 * structure sizes are 4 bytes bigger than the raw_size, refer 284 * perf_synth__raw_size(). 285 */ 286 287 struct perf_synth_intel_ptwrite { 288 u32 padding; 289 union { 290 struct { 291 u32 ip : 1, 292 reserved : 31; 293 }; 294 u32 flags; 295 }; 296 u64 payload; 297 }; 298 299 struct perf_synth_intel_mwait { 300 u32 padding; 301 u32 reserved; 302 union { 303 struct { 304 u64 hints : 8, 305 reserved1 : 24, 306 extensions : 2, 307 reserved2 : 30; 308 }; 309 u64 payload; 310 }; 311 }; 312 313 struct perf_synth_intel_pwre { 314 u32 padding; 315 u32 reserved; 316 union { 317 struct { 318 u64 reserved1 : 7, 319 hw : 1, 320 subcstate : 4, 321 cstate : 4, 322 reserved2 : 48; 323 }; 324 u64 payload; 325 }; 326 }; 327 328 struct perf_synth_intel_exstop { 329 u32 padding; 330 union { 331 struct { 332 u32 ip : 1, 333 reserved : 31; 334 }; 335 u32 flags; 336 }; 337 }; 338 339 struct perf_synth_intel_pwrx { 340 u32 padding; 341 u32 reserved; 342 union { 343 struct { 344 u64 deepest_cstate : 4, 345 last_cstate : 4, 346 wake_reason : 4, 347 reserved1 : 52; 348 }; 349 u64 payload; 350 }; 351 }; 352 353 struct perf_synth_intel_cbr { 354 u32 padding; 355 union { 356 struct { 357 u32 cbr : 8, 358 reserved1 : 8, 359 max_nonturbo : 8, 360 reserved2 : 8; 361 }; 362 u32 flags; 363 }; 364 u32 freq; 365 u32 reserved3; 366 }; 367 368 /* 369 * raw_data is always 4 bytes from an 8-byte boundary, so subtract 4 to get 370 * 8-byte alignment. 371 */ 372 static inline void *perf_sample__synth_ptr(struct perf_sample *sample) 373 { 374 return sample->raw_data - 4; 375 } 376 377 static inline void *perf_synth__raw_data(void *p) 378 { 379 return p + 4; 380 } 381 382 #define perf_synth__raw_size(d) (sizeof(d) - 4) 383 384 #define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4) 385 386 /* 387 * The kernel collects the number of events it couldn't send in a stretch and 388 * when possible sends this number in a PERF_RECORD_LOST event. The number of 389 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while 390 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is 391 * the sum of all struct lost_event.lost fields reported. 392 * 393 * The kernel discards mixed up samples and sends the number in a 394 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored 395 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells 396 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of 397 * all struct lost_samples_event.lost fields reported. 398 * 399 * The total_period is needed because by default auto-freq is used, so 400 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get 401 * the total number of low level events, it is necessary to to sum all struct 402 * sample_event.period and stash the result in total_period. 403 */ 404 struct events_stats { 405 u64 total_period; 406 u64 total_non_filtered_period; 407 u64 total_lost; 408 u64 total_lost_samples; 409 u64 total_aux_lost; 410 u64 total_aux_partial; 411 u64 total_invalid_chains; 412 u32 nr_events[PERF_RECORD_HEADER_MAX]; 413 u32 nr_non_filtered_samples; 414 u32 nr_lost_warned; 415 u32 nr_unknown_events; 416 u32 nr_invalid_chains; 417 u32 nr_unknown_id; 418 u32 nr_unprocessable_samples; 419 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX]; 420 u32 nr_proc_map_timeout; 421 }; 422 423 enum { 424 PERF_CPU_MAP__CPUS = 0, 425 PERF_CPU_MAP__MASK = 1, 426 }; 427 428 struct cpu_map_entries { 429 u16 nr; 430 u16 cpu[]; 431 }; 432 433 struct cpu_map_mask { 434 u16 nr; 435 u16 long_size; 436 unsigned long mask[]; 437 }; 438 439 struct cpu_map_data { 440 u16 type; 441 char data[]; 442 }; 443 444 struct cpu_map_event { 445 struct perf_event_header header; 446 struct cpu_map_data data; 447 }; 448 449 struct attr_event { 450 struct perf_event_header header; 451 struct perf_event_attr attr; 452 u64 id[]; 453 }; 454 455 enum { 456 PERF_EVENT_UPDATE__UNIT = 0, 457 PERF_EVENT_UPDATE__SCALE = 1, 458 PERF_EVENT_UPDATE__NAME = 2, 459 PERF_EVENT_UPDATE__CPUS = 3, 460 }; 461 462 struct event_update_event_cpus { 463 struct cpu_map_data cpus; 464 }; 465 466 struct event_update_event_scale { 467 double scale; 468 }; 469 470 struct event_update_event { 471 struct perf_event_header header; 472 u64 type; 473 u64 id; 474 475 char data[]; 476 }; 477 478 #define MAX_EVENT_NAME 64 479 480 struct perf_trace_event_type { 481 u64 event_id; 482 char name[MAX_EVENT_NAME]; 483 }; 484 485 struct event_type_event { 486 struct perf_event_header header; 487 struct perf_trace_event_type event_type; 488 }; 489 490 struct tracing_data_event { 491 struct perf_event_header header; 492 u32 size; 493 }; 494 495 struct id_index_entry { 496 u64 id; 497 u64 idx; 498 u64 cpu; 499 u64 tid; 500 }; 501 502 struct id_index_event { 503 struct perf_event_header header; 504 u64 nr; 505 struct id_index_entry entries[0]; 506 }; 507 508 struct auxtrace_info_event { 509 struct perf_event_header header; 510 u32 type; 511 u32 reserved__; /* For alignment */ 512 u64 priv[]; 513 }; 514 515 struct auxtrace_event { 516 struct perf_event_header header; 517 u64 size; 518 u64 offset; 519 u64 reference; 520 u32 idx; 521 u32 tid; 522 u32 cpu; 523 u32 reserved__; /* For alignment */ 524 }; 525 526 #define MAX_AUXTRACE_ERROR_MSG 64 527 528 struct auxtrace_error_event { 529 struct perf_event_header header; 530 u32 type; 531 u32 code; 532 u32 cpu; 533 u32 pid; 534 u32 tid; 535 u32 fmt; 536 u64 ip; 537 u64 time; 538 char msg[MAX_AUXTRACE_ERROR_MSG]; 539 }; 540 541 struct aux_event { 542 struct perf_event_header header; 543 u64 aux_offset; 544 u64 aux_size; 545 u64 flags; 546 }; 547 548 struct itrace_start_event { 549 struct perf_event_header header; 550 u32 pid, tid; 551 }; 552 553 struct context_switch_event { 554 struct perf_event_header header; 555 u32 next_prev_pid; 556 u32 next_prev_tid; 557 }; 558 559 struct thread_map_event_entry { 560 u64 pid; 561 char comm[16]; 562 }; 563 564 struct thread_map_event { 565 struct perf_event_header header; 566 u64 nr; 567 struct thread_map_event_entry entries[]; 568 }; 569 570 enum { 571 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0, 572 PERF_STAT_CONFIG_TERM__INTERVAL = 1, 573 PERF_STAT_CONFIG_TERM__SCALE = 2, 574 PERF_STAT_CONFIG_TERM__MAX = 3, 575 }; 576 577 struct stat_config_event_entry { 578 u64 tag; 579 u64 val; 580 }; 581 582 struct stat_config_event { 583 struct perf_event_header header; 584 u64 nr; 585 struct stat_config_event_entry data[]; 586 }; 587 588 struct stat_event { 589 struct perf_event_header header; 590 591 u64 id; 592 u32 cpu; 593 u32 thread; 594 595 union { 596 struct { 597 u64 val; 598 u64 ena; 599 u64 run; 600 }; 601 u64 values[3]; 602 }; 603 }; 604 605 enum { 606 PERF_STAT_ROUND_TYPE__INTERVAL = 0, 607 PERF_STAT_ROUND_TYPE__FINAL = 1, 608 }; 609 610 struct stat_round_event { 611 struct perf_event_header header; 612 u64 type; 613 u64 time; 614 }; 615 616 struct time_conv_event { 617 struct perf_event_header header; 618 u64 time_shift; 619 u64 time_mult; 620 u64 time_zero; 621 }; 622 623 struct feature_event { 624 struct perf_event_header header; 625 u64 feat_id; 626 char data[]; 627 }; 628 629 union perf_event { 630 struct perf_event_header header; 631 struct mmap_event mmap; 632 struct mmap2_event mmap2; 633 struct comm_event comm; 634 struct namespaces_event namespaces; 635 struct fork_event fork; 636 struct lost_event lost; 637 struct lost_samples_event lost_samples; 638 struct read_event read; 639 struct throttle_event throttle; 640 struct sample_event sample; 641 struct attr_event attr; 642 struct event_update_event event_update; 643 struct event_type_event event_type; 644 struct tracing_data_event tracing_data; 645 struct build_id_event build_id; 646 struct id_index_event id_index; 647 struct auxtrace_info_event auxtrace_info; 648 struct auxtrace_event auxtrace; 649 struct auxtrace_error_event auxtrace_error; 650 struct aux_event aux; 651 struct itrace_start_event itrace_start; 652 struct context_switch_event context_switch; 653 struct thread_map_event thread_map; 654 struct cpu_map_event cpu_map; 655 struct stat_config_event stat_config; 656 struct stat_event stat; 657 struct stat_round_event stat_round; 658 struct time_conv_event time_conv; 659 struct feature_event feat; 660 struct ksymbol_event ksymbol_event; 661 struct bpf_event bpf_event; 662 }; 663 664 void perf_event__print_totals(void); 665 666 struct perf_tool; 667 struct thread_map; 668 struct cpu_map; 669 struct perf_stat_config; 670 struct perf_counts_values; 671 672 typedef int (*perf_event__handler_t)(struct perf_tool *tool, 673 union perf_event *event, 674 struct perf_sample *sample, 675 struct machine *machine); 676 677 int perf_event__synthesize_thread_map(struct perf_tool *tool, 678 struct thread_map *threads, 679 perf_event__handler_t process, 680 struct machine *machine, bool mmap_data); 681 int perf_event__synthesize_thread_map2(struct perf_tool *tool, 682 struct thread_map *threads, 683 perf_event__handler_t process, 684 struct machine *machine); 685 int perf_event__synthesize_cpu_map(struct perf_tool *tool, 686 struct cpu_map *cpus, 687 perf_event__handler_t process, 688 struct machine *machine); 689 int perf_event__synthesize_threads(struct perf_tool *tool, 690 perf_event__handler_t process, 691 struct machine *machine, bool mmap_data, 692 unsigned int nr_threads_synthesize); 693 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, 694 perf_event__handler_t process, 695 struct machine *machine); 696 int perf_event__synthesize_stat_config(struct perf_tool *tool, 697 struct perf_stat_config *config, 698 perf_event__handler_t process, 699 struct machine *machine); 700 void perf_event__read_stat_config(struct perf_stat_config *config, 701 struct stat_config_event *event); 702 int perf_event__synthesize_stat(struct perf_tool *tool, 703 u32 cpu, u32 thread, u64 id, 704 struct perf_counts_values *count, 705 perf_event__handler_t process, 706 struct machine *machine); 707 int perf_event__synthesize_stat_round(struct perf_tool *tool, 708 u64 time, u64 type, 709 perf_event__handler_t process, 710 struct machine *machine); 711 int perf_event__synthesize_modules(struct perf_tool *tool, 712 perf_event__handler_t process, 713 struct machine *machine); 714 715 int perf_event__process_comm(struct perf_tool *tool, 716 union perf_event *event, 717 struct perf_sample *sample, 718 struct machine *machine); 719 int perf_event__process_lost(struct perf_tool *tool, 720 union perf_event *event, 721 struct perf_sample *sample, 722 struct machine *machine); 723 int perf_event__process_lost_samples(struct perf_tool *tool, 724 union perf_event *event, 725 struct perf_sample *sample, 726 struct machine *machine); 727 int perf_event__process_aux(struct perf_tool *tool, 728 union perf_event *event, 729 struct perf_sample *sample, 730 struct machine *machine); 731 int perf_event__process_itrace_start(struct perf_tool *tool, 732 union perf_event *event, 733 struct perf_sample *sample, 734 struct machine *machine); 735 int perf_event__process_switch(struct perf_tool *tool, 736 union perf_event *event, 737 struct perf_sample *sample, 738 struct machine *machine); 739 int perf_event__process_namespaces(struct perf_tool *tool, 740 union perf_event *event, 741 struct perf_sample *sample, 742 struct machine *machine); 743 int perf_event__process_mmap(struct perf_tool *tool, 744 union perf_event *event, 745 struct perf_sample *sample, 746 struct machine *machine); 747 int perf_event__process_mmap2(struct perf_tool *tool, 748 union perf_event *event, 749 struct perf_sample *sample, 750 struct machine *machine); 751 int perf_event__process_fork(struct perf_tool *tool, 752 union perf_event *event, 753 struct perf_sample *sample, 754 struct machine *machine); 755 int perf_event__process_exit(struct perf_tool *tool, 756 union perf_event *event, 757 struct perf_sample *sample, 758 struct machine *machine); 759 int perf_event__process_ksymbol(struct perf_tool *tool, 760 union perf_event *event, 761 struct perf_sample *sample, 762 struct machine *machine); 763 int perf_event__process_bpf_event(struct perf_tool *tool, 764 union perf_event *event, 765 struct perf_sample *sample, 766 struct machine *machine); 767 int perf_tool__process_synth_event(struct perf_tool *tool, 768 union perf_event *event, 769 struct machine *machine, 770 perf_event__handler_t process); 771 int perf_event__process(struct perf_tool *tool, 772 union perf_event *event, 773 struct perf_sample *sample, 774 struct machine *machine); 775 776 struct addr_location; 777 778 int machine__resolve(struct machine *machine, struct addr_location *al, 779 struct perf_sample *sample); 780 781 void addr_location__put(struct addr_location *al); 782 783 struct thread; 784 785 bool is_bts_event(struct perf_event_attr *attr); 786 bool sample_addr_correlates_sym(struct perf_event_attr *attr); 787 void thread__resolve(struct thread *thread, struct addr_location *al, 788 struct perf_sample *sample); 789 790 const char *perf_event__name(unsigned int id); 791 792 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, 793 u64 read_format); 794 int perf_event__synthesize_sample(union perf_event *event, u64 type, 795 u64 read_format, 796 const struct perf_sample *sample); 797 798 pid_t perf_event__synthesize_comm(struct perf_tool *tool, 799 union perf_event *event, pid_t pid, 800 perf_event__handler_t process, 801 struct machine *machine); 802 803 int perf_event__synthesize_namespaces(struct perf_tool *tool, 804 union perf_event *event, 805 pid_t pid, pid_t tgid, 806 perf_event__handler_t process, 807 struct machine *machine); 808 809 int perf_event__synthesize_mmap_events(struct perf_tool *tool, 810 union perf_event *event, 811 pid_t pid, pid_t tgid, 812 perf_event__handler_t process, 813 struct machine *machine, 814 bool mmap_data); 815 816 int perf_event__synthesize_extra_kmaps(struct perf_tool *tool, 817 perf_event__handler_t process, 818 struct machine *machine); 819 820 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp); 821 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp); 822 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp); 823 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp); 824 size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp); 825 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp); 826 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp); 827 size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp); 828 size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp); 829 size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp); 830 size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp); 831 size_t perf_event__fprintf_bpf_event(union perf_event *event, FILE *fp); 832 size_t perf_event__fprintf(union perf_event *event, FILE *fp); 833 834 int kallsyms__get_function_start(const char *kallsyms_filename, 835 const char *symbol_name, u64 *addr); 836 837 void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max); 838 void cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map, 839 u16 type, int max); 840 841 void event_attr_init(struct perf_event_attr *attr); 842 843 int perf_event_paranoid(void); 844 845 extern int sysctl_perf_event_max_stack; 846 extern int sysctl_perf_event_max_contexts_per_stack; 847 extern unsigned int proc_map_timeout; 848 849 #endif /* __PERF_RECORD_H */ 850