tools/perf/util/event.h

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