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