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