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 */
perf_sample__synth_ptr(struct perf_sample * sample)367 static inline void *perf_sample__synth_ptr(struct perf_sample *sample)
368 {
369 return sample->raw_data - 4;
370 }
371
perf_synth__raw_data(void * p)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 */
834
