GNU Linux-libre 4.19.211-gnu1
[releases.git] / 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 */