tools/perf/util/event.h

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