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 #include <linux/perf_event.h> 10 11 #include "../perf.h" 12 #include "build-id.h" 13 #include "perf_regs.h" 14 15 struct mmap_event { 16 struct perf_event_header header; 17 u32 pid, tid; 18 u64 start; 19 u64 len; 20 u64 pgoff; 21 char filename[PATH_MAX]; 22 }; 23 24 struct mmap2_event { 25 struct perf_event_header header; 26 u32 pid, tid; 27 u64 start; 28 u64 len; 29 u64 pgoff; 30 u32 maj; 31 u32 min; 32 u64 ino; 33 u64 ino_generation; 34 u32 prot; 35 u32 flags; 36 char filename[PATH_MAX]; 37 }; 38 39 struct comm_event { 40 struct perf_event_header header; 41 u32 pid, tid; 42 char comm[16]; 43 }; 44 45 struct namespaces_event { 46 struct perf_event_header header; 47 u32 pid, tid; 48 u64 nr_namespaces; 49 struct perf_ns_link_info link_info[]; 50 }; 51 52 struct fork_event { 53 struct perf_event_header header; 54 u32 pid, ppid; 55 u32 tid, ptid; 56 u64 time; 57 }; 58 59 struct lost_event { 60 struct perf_event_header header; 61 u64 id; 62 u64 lost; 63 }; 64 65 struct lost_samples_event { 66 struct perf_event_header header; 67 u64 lost; 68 }; 69 70 /* 71 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID 72 */ 73 struct read_event { 74 struct perf_event_header header; 75 u32 pid, tid; 76 u64 value; 77 u64 time_enabled; 78 u64 time_running; 79 u64 id; 80 }; 81 82 struct throttle_event { 83 struct perf_event_header header; 84 u64 time; 85 u64 id; 86 u64 stream_id; 87 }; 88 89 #ifndef KSYM_NAME_LEN 90 #define KSYM_NAME_LEN 256 91 #endif 92 93 struct ksymbol_event { 94 struct perf_event_header header; 95 u64 addr; 96 u32 len; 97 u16 ksym_type; 98 u16 flags; 99 char name[KSYM_NAME_LEN]; 100 }; 101 102 struct bpf_event { 103 struct perf_event_header header; 104 u16 type; 105 u16 flags; 106 u32 id; 107 108 /* for bpf_prog types */ 109 u8 tag[BPF_TAG_SIZE]; // prog tag 110 }; 111 112 #define PERF_SAMPLE_MASK \ 113 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \ 114 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \ 115 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \ 116 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \ 117 PERF_SAMPLE_IDENTIFIER) 118 119 /* perf sample has 16 bits size limit */ 120 #define PERF_SAMPLE_MAX_SIZE (1 << 16) 121 122 struct sample_event { 123 struct perf_event_header header; 124 u64 array[]; 125 }; 126 127 struct regs_dump { 128 u64 abi; 129 u64 mask; 130 u64 *regs; 131 132 /* Cached values/mask filled by first register access. */ 133 u64 cache_regs[PERF_REGS_MAX]; 134 u64 cache_mask; 135 }; 136 137 struct stack_dump { 138 u16 offset; 139 u64 size; 140 char *data; 141 }; 142 143 struct sample_read_value { 144 u64 value; 145 u64 id; 146 }; 147 148 struct sample_read { 149 u64 time_enabled; 150 u64 time_running; 151 union { 152 struct { 153 u64 nr; 154 struct sample_read_value *values; 155 } group; 156 struct sample_read_value one; 157 }; 158 }; 159 160 struct ip_callchain { 161 u64 nr; 162 u64 ips[0]; 163 }; 164 165 struct branch_stack; 166 167 enum { 168 PERF_IP_FLAG_BRANCH = 1ULL << 0, 169 PERF_IP_FLAG_CALL = 1ULL << 1, 170 PERF_IP_FLAG_RETURN = 1ULL << 2, 171 PERF_IP_FLAG_CONDITIONAL = 1ULL << 3, 172 PERF_IP_FLAG_SYSCALLRET = 1ULL << 4, 173 PERF_IP_FLAG_ASYNC = 1ULL << 5, 174 PERF_IP_FLAG_INTERRUPT = 1ULL << 6, 175 PERF_IP_FLAG_TX_ABORT = 1ULL << 7, 176 PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8, 177 PERF_IP_FLAG_TRACE_END = 1ULL << 9, 178 PERF_IP_FLAG_IN_TX = 1ULL << 10, 179 }; 180 181 #define PERF_IP_FLAG_CHARS "bcrosyiABEx" 182 183 #define PERF_BRANCH_MASK (\ 184 PERF_IP_FLAG_BRANCH |\ 185 PERF_IP_FLAG_CALL |\ 186 PERF_IP_FLAG_RETURN |\ 187 PERF_IP_FLAG_CONDITIONAL |\ 188 PERF_IP_FLAG_SYSCALLRET |\ 189 PERF_IP_FLAG_ASYNC |\ 190 PERF_IP_FLAG_INTERRUPT |\ 191 PERF_IP_FLAG_TX_ABORT |\ 192 PERF_IP_FLAG_TRACE_BEGIN |\ 193 PERF_IP_FLAG_TRACE_END) 194 195 #define MAX_INSN 16 196 197 struct perf_sample { 198 u64 ip; 199 u32 pid, tid; 200 u64 time; 201 u64 addr; 202 u64 id; 203 u64 stream_id; 204 u64 period; 205 u64 weight; 206 u64 transaction; 207 u64 insn_cnt; 208 u64 cyc_cnt; 209 u32 cpu; 210 u32 raw_size; 211 u64 data_src; 212 u64 phys_addr; 213 u32 flags; 214 u16 insn_len; 215 u8 cpumode; 216 u16 misc; 217 char insn[MAX_INSN]; 218 void *raw_data; 219 struct ip_callchain *callchain; 220 struct branch_stack *branch_stack; 221 struct regs_dump user_regs; 222 struct regs_dump intr_regs; 223 struct stack_dump user_stack; 224 struct sample_read read; 225 }; 226 227 #define PERF_MEM_DATA_SRC_NONE \ 228 (PERF_MEM_S(OP, NA) |\ 229 PERF_MEM_S(LVL, NA) |\ 230 PERF_MEM_S(SNOOP, NA) |\ 231 PERF_MEM_S(LOCK, NA) |\ 232 PERF_MEM_S(TLB, NA)) 233 234 struct build_id_event { 235 struct perf_event_header header; 236 pid_t pid; 237 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))]; 238 char filename[]; 239 }; 240 241 enum perf_user_event_type { /* above any possible kernel type */ 242 PERF_RECORD_USER_TYPE_START = 64, 243 PERF_RECORD_HEADER_ATTR = 64, 244 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* deprecated */ 245 PERF_RECORD_HEADER_TRACING_DATA = 66, 246 PERF_RECORD_HEADER_BUILD_ID = 67, 247 PERF_RECORD_FINISHED_ROUND = 68, 248 PERF_RECORD_ID_INDEX = 69, 249 PERF_RECORD_AUXTRACE_INFO = 70, 250 PERF_RECORD_AUXTRACE = 71, 251 PERF_RECORD_AUXTRACE_ERROR = 72, 252 PERF_RECORD_THREAD_MAP = 73, 253 PERF_RECORD_CPU_MAP = 74, 254 PERF_RECORD_STAT_CONFIG = 75, 255 PERF_RECORD_STAT = 76, 256 PERF_RECORD_STAT_ROUND = 77, 257 PERF_RECORD_EVENT_UPDATE = 78, 258 PERF_RECORD_TIME_CONV = 79, 259 PERF_RECORD_HEADER_FEATURE = 80, 260 PERF_RECORD_COMPRESSED = 81, 261 PERF_RECORD_HEADER_MAX 262 }; 263 264 enum auxtrace_error_type { 265 PERF_AUXTRACE_ERROR_ITRACE = 1, 266 PERF_AUXTRACE_ERROR_MAX 267 }; 268 269 /* Attribute type for custom synthesized events */ 270 #define PERF_TYPE_SYNTH (INT_MAX + 1U) 271 272 /* Attribute config for custom synthesized events */ 273 enum perf_synth_id { 274 PERF_SYNTH_INTEL_PTWRITE, 275 PERF_SYNTH_INTEL_MWAIT, 276 PERF_SYNTH_INTEL_PWRE, 277 PERF_SYNTH_INTEL_EXSTOP, 278 PERF_SYNTH_INTEL_PWRX, 279 PERF_SYNTH_INTEL_CBR, 280 }; 281 282 /* 283 * Raw data formats for synthesized events. Note that 4 bytes of padding are 284 * present to match the 'size' member of PERF_SAMPLE_RAW data which is always 285 * 8-byte aligned. That means we must dereference raw_data with an offset of 4. 286 * Refer perf_sample__synth_ptr() and perf_synth__raw_data(). It also means the 287 * structure sizes are 4 bytes bigger than the raw_size, refer 288 * perf_synth__raw_size(). 289 */ 290 291 struct perf_synth_intel_ptwrite { 292 u32 padding; 293 union { 294 struct { 295 u32 ip : 1, 296 reserved : 31; 297 }; 298 u32 flags; 299 }; 300 u64 payload; 301 }; 302 303 struct perf_synth_intel_mwait { 304 u32 padding; 305 u32 reserved; 306 union { 307 struct { 308 u64 hints : 8, 309 reserved1 : 24, 310 extensions : 2, 311 reserved2 : 30; 312 }; 313 u64 payload; 314 }; 315 }; 316 317 struct perf_synth_intel_pwre { 318 u32 padding; 319 u32 reserved; 320 union { 321 struct { 322 u64 reserved1 : 7, 323 hw : 1, 324 subcstate : 4, 325 cstate : 4, 326 reserved2 : 48; 327 }; 328 u64 payload; 329 }; 330 }; 331 332 struct perf_synth_intel_exstop { 333 u32 padding; 334 union { 335 struct { 336 u32 ip : 1, 337 reserved : 31; 338 }; 339 u32 flags; 340 }; 341 }; 342 343 struct perf_synth_intel_pwrx { 344 u32 padding; 345 u32 reserved; 346 union { 347 struct { 348 u64 deepest_cstate : 4, 349 last_cstate : 4, 350 wake_reason : 4, 351 reserved1 : 52; 352 }; 353 u64 payload; 354 }; 355 }; 356 357 struct perf_synth_intel_cbr { 358 u32 padding; 359 union { 360 struct { 361 u32 cbr : 8, 362 reserved1 : 8, 363 max_nonturbo : 8, 364 reserved2 : 8; 365 }; 366 u32 flags; 367 }; 368 u32 freq; 369 u32 reserved3; 370 }; 371 372 /* 373 * raw_data is always 4 bytes from an 8-byte boundary, so subtract 4 to get 374 * 8-byte alignment. 375 */ 376 static inline void *perf_sample__synth_ptr(struct perf_sample *sample) 377 { 378 return sample->raw_data - 4; 379 } 380 381 static inline void *perf_synth__raw_data(void *p) 382 { 383 return p + 4; 384 } 385 386 #define perf_synth__raw_size(d) (sizeof(d) - 4) 387 388 #define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4) 389 390 /* 391 * The kernel collects the number of events it couldn't send in a stretch and 392 * when possible sends this number in a PERF_RECORD_LOST event. The number of 393 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while 394 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is 395 * the sum of all struct lost_event.lost fields reported. 396 * 397 * The kernel discards mixed up samples and sends the number in a 398 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored 399 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells 400 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of 401 * all struct lost_samples_event.lost fields reported. 402 * 403 * The total_period is needed because by default auto-freq is used, so 404 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get 405 * the total number of low level events, it is necessary to to sum all struct 406 * sample_event.period and stash the result in total_period. 407 */ 408 struct events_stats { 409 u64 total_period; 410 u64 total_non_filtered_period; 411 u64 total_lost; 412 u64 total_lost_samples; 413 u64 total_aux_lost; 414 u64 total_aux_partial; 415 u64 total_invalid_chains; 416 u32 nr_events[PERF_RECORD_HEADER_MAX]; 417 u32 nr_non_filtered_samples; 418 u32 nr_lost_warned; 419 u32 nr_unknown_events; 420 u32 nr_invalid_chains; 421 u32 nr_unknown_id; 422 u32 nr_unprocessable_samples; 423 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX]; 424 u32 nr_proc_map_timeout; 425 }; 426 427 enum { 428 PERF_CPU_MAP__CPUS = 0, 429 PERF_CPU_MAP__MASK = 1, 430 }; 431 432 struct cpu_map_entries { 433 u16 nr; 434 u16 cpu[]; 435 }; 436 437 struct cpu_map_mask { 438 u16 nr; 439 u16 long_size; 440 unsigned long mask[]; 441 }; 442 443 struct cpu_map_data { 444 u16 type; 445 char data[]; 446 }; 447 448 struct cpu_map_event { 449 struct perf_event_header header; 450 struct cpu_map_data data; 451 }; 452 453 struct attr_event { 454 struct perf_event_header header; 455 struct perf_event_attr attr; 456 u64 id[]; 457 }; 458 459 enum { 460 PERF_EVENT_UPDATE__UNIT = 0, 461 PERF_EVENT_UPDATE__SCALE = 1, 462 PERF_EVENT_UPDATE__NAME = 2, 463 PERF_EVENT_UPDATE__CPUS = 3, 464 }; 465 466 struct event_update_event_cpus { 467 struct cpu_map_data cpus; 468 }; 469 470 struct event_update_event_scale { 471 double scale; 472 }; 473 474 struct event_update_event { 475 struct perf_event_header header; 476 u64 type; 477 u64 id; 478 479 char data[]; 480 }; 481 482 #define MAX_EVENT_NAME 64 483 484 struct perf_trace_event_type { 485 u64 event_id; 486 char name[MAX_EVENT_NAME]; 487 }; 488 489 struct event_type_event { 490 struct perf_event_header header; 491 struct perf_trace_event_type event_type; 492 }; 493 494 struct tracing_data_event { 495 struct perf_event_header header; 496 u32 size; 497 }; 498 499 struct id_index_entry { 500 u64 id; 501 u64 idx; 502 u64 cpu; 503 u64 tid; 504 }; 505 506 struct id_index_event { 507 struct perf_event_header header; 508 u64 nr; 509 struct id_index_entry entries[0]; 510 }; 511 512 struct auxtrace_info_event { 513 struct perf_event_header header; 514 u32 type; 515 u32 reserved__; /* For alignment */ 516 u64 priv[]; 517 }; 518 519 struct auxtrace_event { 520 struct perf_event_header header; 521 u64 size; 522 u64 offset; 523 u64 reference; 524 u32 idx; 525 u32 tid; 526 u32 cpu; 527 u32 reserved__; /* For alignment */ 528 }; 529 530 #define MAX_AUXTRACE_ERROR_MSG 64 531 532 struct auxtrace_error_event { 533 struct perf_event_header header; 534 u32 type; 535 u32 code; 536 u32 cpu; 537 u32 pid; 538 u32 tid; 539 u32 fmt; 540 u64 ip; 541 u64 time; 542 char msg[MAX_AUXTRACE_ERROR_MSG]; 543 }; 544 545 struct aux_event { 546 struct perf_event_header header; 547 u64 aux_offset; 548 u64 aux_size; 549 u64 flags; 550 }; 551 552 struct itrace_start_event { 553 struct perf_event_header header; 554 u32 pid, tid; 555 }; 556 557 struct context_switch_event { 558 struct perf_event_header header; 559 u32 next_prev_pid; 560 u32 next_prev_tid; 561 }; 562 563 struct thread_map_event_entry { 564 u64 pid; 565 char comm[16]; 566 }; 567 568 struct thread_map_event { 569 struct perf_event_header header; 570 u64 nr; 571 struct thread_map_event_entry entries[]; 572 }; 573 574 enum { 575 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0, 576 PERF_STAT_CONFIG_TERM__INTERVAL = 1, 577 PERF_STAT_CONFIG_TERM__SCALE = 2, 578 PERF_STAT_CONFIG_TERM__MAX = 3, 579 }; 580 581 struct stat_config_event_entry { 582 u64 tag; 583 u64 val; 584 }; 585 586 struct stat_config_event { 587 struct perf_event_header header; 588 u64 nr; 589 struct stat_config_event_entry data[]; 590 }; 591 592 struct stat_event { 593 struct perf_event_header header; 594 595 u64 id; 596 u32 cpu; 597 u32 thread; 598 599 union { 600 struct { 601 u64 val; 602 u64 ena; 603 u64 run; 604 }; 605 u64 values[3]; 606 }; 607 }; 608 609 enum { 610 PERF_STAT_ROUND_TYPE__INTERVAL = 0, 611 PERF_STAT_ROUND_TYPE__FINAL = 1, 612 }; 613 614 struct stat_round_event { 615 struct perf_event_header header; 616 u64 type; 617 u64 time; 618 }; 619 620 struct time_conv_event { 621 struct perf_event_header header; 622 u64 time_shift; 623 u64 time_mult; 624 u64 time_zero; 625 }; 626 627 struct feature_event { 628 struct perf_event_header header; 629 u64 feat_id; 630 char data[]; 631 }; 632 633 struct compressed_event { 634 struct perf_event_header header; 635 char data[]; 636 }; 637 638 union perf_event { 639 struct perf_event_header header; 640 struct mmap_event mmap; 641 struct mmap2_event mmap2; 642 struct comm_event comm; 643 struct namespaces_event namespaces; 644 struct fork_event fork; 645 struct lost_event lost; 646 struct lost_samples_event lost_samples; 647 struct read_event read; 648 struct throttle_event throttle; 649 struct sample_event sample; 650 struct attr_event attr; 651 struct event_update_event event_update; 652 struct event_type_event event_type; 653 struct tracing_data_event tracing_data; 654 struct build_id_event build_id; 655 struct id_index_event id_index; 656 struct auxtrace_info_event auxtrace_info; 657 struct auxtrace_event auxtrace; 658 struct auxtrace_error_event auxtrace_error; 659 struct aux_event aux; 660 struct itrace_start_event itrace_start; 661 struct context_switch_event context_switch; 662 struct thread_map_event thread_map; 663 struct cpu_map_event cpu_map; 664 struct stat_config_event stat_config; 665 struct stat_event stat; 666 struct stat_round_event stat_round; 667 struct time_conv_event time_conv; 668 struct feature_event feat; 669 struct ksymbol_event ksymbol_event; 670 struct bpf_event bpf_event; 671 struct compressed_event pack; 672 }; 673 674 void perf_event__print_totals(void); 675 676 struct perf_tool; 677 struct thread_map; 678 struct cpu_map; 679 struct perf_stat_config; 680 struct perf_counts_values; 681 682 typedef int (*perf_event__handler_t)(struct perf_tool *tool, 683 union perf_event *event, 684 struct perf_sample *sample, 685 struct machine *machine); 686 687 int perf_event__synthesize_thread_map(struct perf_tool *tool, 688 struct thread_map *threads, 689 perf_event__handler_t process, 690 struct machine *machine, bool mmap_data); 691 int perf_event__synthesize_thread_map2(struct perf_tool *tool, 692 struct thread_map *threads, 693 perf_event__handler_t process, 694 struct machine *machine); 695 int perf_event__synthesize_cpu_map(struct perf_tool *tool, 696 struct cpu_map *cpus, 697 perf_event__handler_t process, 698 struct machine *machine); 699 int perf_event__synthesize_threads(struct perf_tool *tool, 700 perf_event__handler_t process, 701 struct machine *machine, bool mmap_data, 702 unsigned int nr_threads_synthesize); 703 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, 704 perf_event__handler_t process, 705 struct machine *machine); 706 int perf_event__synthesize_stat_config(struct perf_tool *tool, 707 struct perf_stat_config *config, 708 perf_event__handler_t process, 709 struct machine *machine); 710 void perf_event__read_stat_config(struct perf_stat_config *config, 711 struct stat_config_event *event); 712 int perf_event__synthesize_stat(struct perf_tool *tool, 713 u32 cpu, u32 thread, u64 id, 714 struct perf_counts_values *count, 715 perf_event__handler_t process, 716 struct machine *machine); 717 int perf_event__synthesize_stat_round(struct perf_tool *tool, 718 u64 time, u64 type, 719 perf_event__handler_t process, 720 struct machine *machine); 721 int perf_event__synthesize_modules(struct perf_tool *tool, 722 perf_event__handler_t process, 723 struct machine *machine); 724 725 int perf_event__process_comm(struct perf_tool *tool, 726 union perf_event *event, 727 struct perf_sample *sample, 728 struct machine *machine); 729 int perf_event__process_lost(struct perf_tool *tool, 730 union perf_event *event, 731 struct perf_sample *sample, 732 struct machine *machine); 733 int perf_event__process_lost_samples(struct perf_tool *tool, 734 union perf_event *event, 735 struct perf_sample *sample, 736 struct machine *machine); 737 int perf_event__process_aux(struct perf_tool *tool, 738 union perf_event *event, 739 struct perf_sample *sample, 740 struct machine *machine); 741 int perf_event__process_itrace_start(struct perf_tool *tool, 742 union perf_event *event, 743 struct perf_sample *sample, 744 struct machine *machine); 745 int perf_event__process_switch(struct perf_tool *tool, 746 union perf_event *event, 747 struct perf_sample *sample, 748 struct machine *machine); 749 int perf_event__process_namespaces(struct perf_tool *tool, 750 union perf_event *event, 751 struct perf_sample *sample, 752 struct machine *machine); 753 int perf_event__process_mmap(struct perf_tool *tool, 754 union perf_event *event, 755 struct perf_sample *sample, 756 struct machine *machine); 757 int perf_event__process_mmap2(struct perf_tool *tool, 758 union perf_event *event, 759 struct perf_sample *sample, 760 struct machine *machine); 761 int perf_event__process_fork(struct perf_tool *tool, 762 union perf_event *event, 763 struct perf_sample *sample, 764 struct machine *machine); 765 int perf_event__process_exit(struct perf_tool *tool, 766 union perf_event *event, 767 struct perf_sample *sample, 768 struct machine *machine); 769 int perf_event__process_ksymbol(struct perf_tool *tool, 770 union perf_event *event, 771 struct perf_sample *sample, 772 struct machine *machine); 773 int perf_event__process_bpf_event(struct perf_tool *tool, 774 union perf_event *event, 775 struct perf_sample *sample, 776 struct machine *machine); 777 int perf_tool__process_synth_event(struct perf_tool *tool, 778 union perf_event *event, 779 struct machine *machine, 780 perf_event__handler_t process); 781 int perf_event__process(struct perf_tool *tool, 782 union perf_event *event, 783 struct perf_sample *sample, 784 struct machine *machine); 785 786 struct addr_location; 787 788 int machine__resolve(struct machine *machine, struct addr_location *al, 789 struct perf_sample *sample); 790 791 void addr_location__put(struct addr_location *al); 792 793 struct thread; 794 795 bool is_bts_event(struct perf_event_attr *attr); 796 bool sample_addr_correlates_sym(struct perf_event_attr *attr); 797 void thread__resolve(struct thread *thread, struct addr_location *al, 798 struct perf_sample *sample); 799 800 const char *perf_event__name(unsigned int id); 801 802 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, 803 u64 read_format); 804 int perf_event__synthesize_sample(union perf_event *event, u64 type, 805 u64 read_format, 806 const struct perf_sample *sample); 807 808 pid_t perf_event__synthesize_comm(struct perf_tool *tool, 809 union perf_event *event, pid_t pid, 810 perf_event__handler_t process, 811 struct machine *machine); 812 813 int perf_event__synthesize_namespaces(struct perf_tool *tool, 814 union perf_event *event, 815 pid_t pid, pid_t tgid, 816 perf_event__handler_t process, 817 struct machine *machine); 818 819 int perf_event__synthesize_mmap_events(struct perf_tool *tool, 820 union perf_event *event, 821 pid_t pid, pid_t tgid, 822 perf_event__handler_t process, 823 struct machine *machine, 824 bool mmap_data); 825 826 int perf_event__synthesize_extra_kmaps(struct perf_tool *tool, 827 perf_event__handler_t process, 828 struct machine *machine); 829 830 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp); 831 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp); 832 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp); 833 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp); 834 size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp); 835 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp); 836 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp); 837 size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp); 838 size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp); 839 size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp); 840 size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp); 841 size_t perf_event__fprintf_bpf_event(union perf_event *event, FILE *fp); 842 size_t perf_event__fprintf(union perf_event *event, FILE *fp); 843 844 int kallsyms__get_function_start(const char *kallsyms_filename, 845 const char *symbol_name, u64 *addr); 846 847 void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max); 848 void cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map, 849 u16 type, int max); 850 851 void event_attr_init(struct perf_event_attr *attr); 852 853 int perf_event_paranoid(void); 854 855 extern int sysctl_perf_event_max_stack; 856 extern int sysctl_perf_event_max_contexts_per_stack; 857 extern unsigned int proc_map_timeout; 858 859 #endif /* __PERF_RECORD_H */ 860