summaryrefslogtreecommitdiff
path: root/tools/perf/util/event.h
blob: 5524ee69279c21d16d06d3dafb9d33d087045219 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_RECORD_H
#define __PERF_RECORD_H

#include <limits.h>
#include <stdio.h>
#include <linux/kernel.h>

#include "../perf.h"
#include "build-id.h"
#include "perf_regs.h"

struct mmap_event {
	struct perf_event_header header;
	u32 pid, tid;
	u64 start;
	u64 len;
	u64 pgoff;
	char filename[PATH_MAX];
};

struct mmap2_event {
	struct perf_event_header header;
	u32 pid, tid;
	u64 start;
	u64 len;
	u64 pgoff;
	u32 maj;
	u32 min;
	u64 ino;
	u64 ino_generation;
	u32 prot;
	u32 flags;
	char filename[PATH_MAX];
};

struct comm_event {
	struct perf_event_header header;
	u32 pid, tid;
	char comm[16];
};

struct namespaces_event {
	struct perf_event_header header;
	u32 pid, tid;
	u64 nr_namespaces;
	struct perf_ns_link_info link_info[];
};

struct fork_event {
	struct perf_event_header header;
	u32 pid, ppid;
	u32 tid, ptid;
	u64 time;
};

struct lost_event {
	struct perf_event_header header;
	u64 id;
	u64 lost;
};

struct lost_samples_event {
	struct perf_event_header header;
	u64 lost;
};

/*
 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
 */
struct read_event {
	struct perf_event_header header;
	u32 pid, tid;
	u64 value;
	u64 time_enabled;
	u64 time_running;
	u64 id;
};

struct throttle_event {
	struct perf_event_header header;
	u64 time;
	u64 id;
	u64 stream_id;
};

#define PERF_SAMPLE_MASK				\
	(PERF_SAMPLE_IP | PERF_SAMPLE_TID |		\
	 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |		\
	PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |	\
	 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD |		\
	 PERF_SAMPLE_IDENTIFIER)

/* perf sample has 16 bits size limit */
#define PERF_SAMPLE_MAX_SIZE (1 << 16)

struct sample_event {
	struct perf_event_header        header;
	u64 array[];
};

struct regs_dump {
	u64 abi;
	u64 mask;
	u64 *regs;

	/* Cached values/mask filled by first register access. */
	u64 cache_regs[PERF_REGS_MAX];
	u64 cache_mask;
};

struct stack_dump {
	u16 offset;
	u64 size;
	char *data;
};

struct sample_read_value {
	u64 value;
	u64 id;
};

struct sample_read {
	u64 time_enabled;
	u64 time_running;
	union {
		struct {
			u64 nr;
			struct sample_read_value *values;
		} group;
		struct sample_read_value one;
	};
};

struct ip_callchain {
	u64 nr;
	u64 ips[0];
};

struct branch_flags {
	u64 mispred:1;
	u64 predicted:1;
	u64 in_tx:1;
	u64 abort:1;
	u64 cycles:16;
	u64 type:4;
	u64 reserved:40;
};

struct branch_entry {
	u64			from;
	u64			to;
	struct branch_flags	flags;
};

struct branch_stack {
	u64			nr;
	struct branch_entry	entries[0];
};

enum {
	PERF_IP_FLAG_BRANCH		= 1ULL << 0,
	PERF_IP_FLAG_CALL		= 1ULL << 1,
	PERF_IP_FLAG_RETURN		= 1ULL << 2,
	PERF_IP_FLAG_CONDITIONAL	= 1ULL << 3,
	PERF_IP_FLAG_SYSCALLRET		= 1ULL << 4,
	PERF_IP_FLAG_ASYNC		= 1ULL << 5,
	PERF_IP_FLAG_INTERRUPT		= 1ULL << 6,
	PERF_IP_FLAG_TX_ABORT		= 1ULL << 7,
	PERF_IP_FLAG_TRACE_BEGIN	= 1ULL << 8,
	PERF_IP_FLAG_TRACE_END		= 1ULL << 9,
	PERF_IP_FLAG_IN_TX		= 1ULL << 10,
};

#define PERF_IP_FLAG_CHARS "bcrosyiABEx"

#define PERF_BRANCH_MASK		(\
	PERF_IP_FLAG_BRANCH		|\
	PERF_IP_FLAG_CALL		|\
	PERF_IP_FLAG_RETURN		|\
	PERF_IP_FLAG_CONDITIONAL	|\
	PERF_IP_FLAG_SYSCALLRET		|\
	PERF_IP_FLAG_ASYNC		|\
	PERF_IP_FLAG_INTERRUPT		|\
	PERF_IP_FLAG_TX_ABORT		|\
	PERF_IP_FLAG_TRACE_BEGIN	|\
	PERF_IP_FLAG_TRACE_END)

#define MAX_INSN 16

struct perf_sample {
	u64 ip;
	u32 pid, tid;
	u64 time;
	u64 addr;
	u64 id;
	u64 stream_id;
	u64 period;
	u64 weight;
	u64 transaction;
	u32 cpu;
	u32 raw_size;
	u64 data_src;
	u64 phys_addr;
	u32 flags;
	u16 insn_len;
	u8  cpumode;
	char insn[MAX_INSN];
	void *raw_data;
	struct ip_callchain *callchain;
	struct branch_stack *branch_stack;
	struct regs_dump  user_regs;
	struct regs_dump  intr_regs;
	struct stack_dump user_stack;
	struct sample_read read;
};

#define PERF_MEM_DATA_SRC_NONE \
	(PERF_MEM_S(OP, NA) |\
	 PERF_MEM_S(LVL, NA) |\
	 PERF_MEM_S(SNOOP, NA) |\
	 PERF_MEM_S(LOCK, NA) |\
	 PERF_MEM_S(TLB, NA))

struct build_id_event {
	struct perf_event_header header;
	pid_t			 pid;
	u8			 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
	char			 filename[];
};

enum perf_user_event_type { /* above any possible kernel type */
	PERF_RECORD_USER_TYPE_START		= 64,
	PERF_RECORD_HEADER_ATTR			= 64,
	PERF_RECORD_HEADER_EVENT_TYPE		= 65, /* deprecated */
	PERF_RECORD_HEADER_TRACING_DATA		= 66,
	PERF_RECORD_HEADER_BUILD_ID		= 67,
	PERF_RECORD_FINISHED_ROUND		= 68,
	PERF_RECORD_ID_INDEX			= 69,
	PERF_RECORD_AUXTRACE_INFO		= 70,
	PERF_RECORD_AUXTRACE			= 71,
	PERF_RECORD_AUXTRACE_ERROR		= 72,
	PERF_RECORD_THREAD_MAP			= 73,
	PERF_RECORD_CPU_MAP			= 74,
	PERF_RECORD_STAT_CONFIG			= 75,
	PERF_RECORD_STAT			= 76,
	PERF_RECORD_STAT_ROUND			= 77,
	PERF_RECORD_EVENT_UPDATE		= 78,
	PERF_RECORD_TIME_CONV			= 79,
	PERF_RECORD_HEADER_FEATURE		= 80,
	PERF_RECORD_HEADER_MAX
};

enum auxtrace_error_type {
	PERF_AUXTRACE_ERROR_ITRACE  = 1,
	PERF_AUXTRACE_ERROR_MAX
};

/* Attribute type for custom synthesized events */
#define PERF_TYPE_SYNTH		(INT_MAX + 1U)

/* Attribute config for custom synthesized events */
enum perf_synth_id {
	PERF_SYNTH_INTEL_PTWRITE,
	PERF_SYNTH_INTEL_MWAIT,
	PERF_SYNTH_INTEL_PWRE,
	PERF_SYNTH_INTEL_EXSTOP,
	PERF_SYNTH_INTEL_PWRX,
	PERF_SYNTH_INTEL_CBR,
};

/*
 * Raw data formats for synthesized events. Note that 4 bytes of padding are
 * present to match the 'size' member of PERF_SAMPLE_RAW data which is always
 * 8-byte aligned. That means we must dereference raw_data with an offset of 4.
 * Refer perf_sample__synth_ptr() and perf_synth__raw_data().  It also means the
 * structure sizes are 4 bytes bigger than the raw_size, refer
 * perf_synth__raw_size().
 */

struct perf_synth_intel_ptwrite {
	u32 padding;
	union {
		struct {
			u32	ip		:  1,
				reserved	: 31;
		};
		u32	flags;
	};
	u64	payload;
};

struct perf_synth_intel_mwait {
	u32 padding;
	u32 reserved;
	union {
		struct {
			u64	hints		:  8,
				reserved1	: 24,
				extensions	:  2,
				reserved2	: 30;
		};
		u64	payload;
	};
};

struct perf_synth_intel_pwre {
	u32 padding;
	u32 reserved;
	union {
		struct {
			u64	reserved1	:  7,
				hw		:  1,
				subcstate	:  4,
				cstate		:  4,
				reserved2	: 48;
		};
		u64	payload;
	};
};

struct perf_synth_intel_exstop {
	u32 padding;
	union {
		struct {
			u32	ip		:  1,
				reserved	: 31;
		};
		u32	flags;
	};
};

struct perf_synth_intel_pwrx {
	u32 padding;
	u32 reserved;
	union {
		struct {
			u64	deepest_cstate	:  4,
				last_cstate	:  4,
				wake_reason	:  4,
				reserved1	: 52;
		};
		u64	payload;
	};
};

struct perf_synth_intel_cbr {
	u32 padding;
	union {
		struct {
			u32	cbr		:  8,
				reserved1	:  8,
				max_nonturbo	:  8,
				reserved2	:  8;
		};
		u32	flags;
	};
	u32 freq;
	u32 reserved3;
};

/*
 * raw_data is always 4 bytes from an 8-byte boundary, so subtract 4 to get
 * 8-byte alignment.
 */
static inline void *perf_sample__synth_ptr(struct perf_sample *sample)
{
	return sample->raw_data - 4;
}

static inline void *perf_synth__raw_data(void *p)
{
	return p + 4;
}

#define perf_synth__raw_size(d) (sizeof(d) - 4)

#define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4)

/*
 * The kernel collects the number of events it couldn't send in a stretch and
 * when possible sends this number in a PERF_RECORD_LOST event. The number of
 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
 * the sum of all struct lost_event.lost fields reported.
 *
 * The kernel discards mixed up samples and sends the number in a
 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
 * all struct lost_samples_event.lost fields reported.
 *
 * The total_period is needed because by default auto-freq is used, so
 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
 * the total number of low level events, it is necessary to to sum all struct
 * sample_event.period and stash the result in total_period.
 */
struct events_stats {
	u64 total_period;
	u64 total_non_filtered_period;
	u64 total_lost;
	u64 total_lost_samples;
	u64 total_aux_lost;
	u64 total_aux_partial;
	u64 total_invalid_chains;
	u32 nr_events[PERF_RECORD_HEADER_MAX];
	u32 nr_non_filtered_samples;
	u32 nr_lost_warned;
	u32 nr_unknown_events;
	u32 nr_invalid_chains;
	u32 nr_unknown_id;
	u32 nr_unprocessable_samples;
	u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
	u32 nr_proc_map_timeout;
};

enum {
	PERF_CPU_MAP__CPUS = 0,
	PERF_CPU_MAP__MASK = 1,
};

struct cpu_map_entries {
	u16	nr;
	u16	cpu[];
};

struct cpu_map_mask {
	u16	nr;
	u16	long_size;
	unsigned long mask[];
};

struct cpu_map_data {
	u16	type;
	char	data[];
};

struct cpu_map_event {
	struct perf_event_header	header;
	struct cpu_map_data		data;
};

struct attr_event {
	struct perf_event_header header;
	struct perf_event_attr attr;
	u64 id[];
};

enum {
	PERF_EVENT_UPDATE__UNIT  = 0,
	PERF_EVENT_UPDATE__SCALE = 1,
	PERF_EVENT_UPDATE__NAME  = 2,
	PERF_EVENT_UPDATE__CPUS  = 3,
};

struct event_update_event_cpus {
	struct cpu_map_data cpus;
};

struct event_update_event_scale {
	double scale;
};

struct event_update_event {
	struct perf_event_header header;
	u64 type;
	u64 id;

	char data[];
};

#define MAX_EVENT_NAME 64

struct perf_trace_event_type {
	u64	event_id;
	char	name[MAX_EVENT_NAME];
};

struct event_type_event {
	struct perf_event_header header;
	struct perf_trace_event_type event_type;
};

struct tracing_data_event {
	struct perf_event_header header;
	u32 size;
};

struct id_index_entry {
	u64 id;
	u64 idx;
	u64 cpu;
	u64 tid;
};

struct id_index_event {
	struct perf_event_header header;
	u64 nr;
	struct id_index_entry entries[0];
};

struct auxtrace_info_event {
	struct perf_event_header header;
	u32 type;
	u32 reserved__; /* For alignment */
	u64 priv[];
};

struct auxtrace_event {
	struct perf_event_header header;
	u64 size;
	u64 offset;
	u64 reference;
	u32 idx;
	u32 tid;
	u32 cpu;
	u32 reserved__; /* For alignment */
};

#define MAX_AUXTRACE_ERROR_MSG 64

struct auxtrace_error_event {
	struct perf_event_header header;
	u32 type;
	u32 code;
	u32 cpu;
	u32 pid;
	u32 tid;
	u32 reserved__; /* For alignment */
	u64 ip;
	char msg[MAX_AUXTRACE_ERROR_MSG];
};

struct aux_event {
	struct perf_event_header header;
	u64	aux_offset;
	u64	aux_size;
	u64	flags;
};

struct itrace_start_event {
	struct perf_event_header header;
	u32 pid, tid;
};

struct context_switch_event {
	struct perf_event_header header;
	u32 next_prev_pid;
	u32 next_prev_tid;
};

struct thread_map_event_entry {
	u64	pid;
	char	comm[16];
};

struct thread_map_event {
	struct perf_event_header	header;
	u64				nr;
	struct thread_map_event_entry	entries[];
};

enum {
	PERF_STAT_CONFIG_TERM__AGGR_MODE	= 0,
	PERF_STAT_CONFIG_TERM__INTERVAL		= 1,
	PERF_STAT_CONFIG_TERM__SCALE		= 2,
	PERF_STAT_CONFIG_TERM__MAX		= 3,
};

struct stat_config_event_entry {
	u64	tag;
	u64	val;
};

struct stat_config_event {
	struct perf_event_header	header;
	u64				nr;
	struct stat_config_event_entry	data[];
};

struct stat_event {
	struct perf_event_header	header;

	u64	id;
	u32	cpu;
	u32	thread;

	union {
		struct {
			u64 val;
			u64 ena;
			u64 run;
		};
		u64 values[3];
	};
};

enum {
	PERF_STAT_ROUND_TYPE__INTERVAL	= 0,
	PERF_STAT_ROUND_TYPE__FINAL	= 1,
};

struct stat_round_event {
	struct perf_event_header	header;
	u64				type;
	u64				time;
};

struct time_conv_event {
	struct perf_event_header header;
	u64 time_shift;
	u64 time_mult;
	u64 time_zero;
};

struct feature_event {
	struct perf_event_header 	header;
	u64				feat_id;
	char				data[];
};

union perf_event {
	struct perf_event_header	header;
	struct mmap_event		mmap;
	struct mmap2_event		mmap2;
	struct comm_event		comm;
	struct namespaces_event		namespaces;
	struct fork_event		fork;
	struct lost_event		lost;
	struct lost_samples_event	lost_samples;
	struct read_event		read;
	struct throttle_event		throttle;
	struct sample_event		sample;
	struct attr_event		attr;
	struct event_update_event	event_update;
	struct event_type_event		event_type;
	struct tracing_data_event	tracing_data;
	struct build_id_event		build_id;
	struct id_index_event		id_index;
	struct auxtrace_info_event	auxtrace_info;
	struct auxtrace_event		auxtrace;
	struct auxtrace_error_event	auxtrace_error;
	struct aux_event		aux;
	struct itrace_start_event	itrace_start;
	struct context_switch_event	context_switch;
	struct thread_map_event		thread_map;
	struct cpu_map_event		cpu_map;
	struct stat_config_event	stat_config;
	struct stat_event		stat;
	struct stat_round_event		stat_round;
	struct time_conv_event		time_conv;
	struct feature_event		feat;
};

void perf_event__print_totals(void);

struct perf_tool;
struct thread_map;
struct cpu_map;
struct perf_stat_config;
struct perf_counts_values;

typedef int (*perf_event__handler_t)(struct perf_tool *tool,
				     union perf_event *event,
				     struct perf_sample *sample,
				     struct machine *machine);

int perf_event__synthesize_thread_map(struct perf_tool *tool,
				      struct thread_map *threads,
				      perf_event__handler_t process,
				      struct machine *machine, bool mmap_data,
				      unsigned int proc_map_timeout);
int perf_event__synthesize_thread_map2(struct perf_tool *tool,
				      struct thread_map *threads,
				      perf_event__handler_t process,
				      struct machine *machine);
int perf_event__synthesize_cpu_map(struct perf_tool *tool,
				   struct cpu_map *cpus,
				   perf_event__handler_t process,
				   struct machine *machine);
int perf_event__synthesize_threads(struct perf_tool *tool,
				   perf_event__handler_t process,
				   struct machine *machine, bool mmap_data,
				   unsigned int proc_map_timeout);
int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
				       perf_event__handler_t process,
				       struct machine *machine);
int perf_event__synthesize_stat_config(struct perf_tool *tool,
				       struct perf_stat_config *config,
				       perf_event__handler_t process,
				       struct machine *machine);
void perf_event__read_stat_config(struct perf_stat_config *config,
				  struct stat_config_event *event);
int perf_event__synthesize_stat(struct perf_tool *tool,
				u32 cpu, u32 thread, u64 id,
				struct perf_counts_values *count,
				perf_event__handler_t process,
				struct machine *machine);
int perf_event__synthesize_stat_round(struct perf_tool *tool,
				      u64 time, u64 type,
				      perf_event__handler_t process,
				      struct machine *machine);
int perf_event__synthesize_modules(struct perf_tool *tool,
				   perf_event__handler_t process,
				   struct machine *machine);

int perf_event__process_comm(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process_lost(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process_lost_samples(struct perf_tool *tool,
				     union perf_event *event,
				     struct perf_sample *sample,
				     struct machine *machine);
int perf_event__process_aux(struct perf_tool *tool,
			    union perf_event *event,
			    struct perf_sample *sample,
			    struct machine *machine);
int perf_event__process_itrace_start(struct perf_tool *tool,
				     union perf_event *event,
				     struct perf_sample *sample,
				     struct machine *machine);
int perf_event__process_switch(struct perf_tool *tool,
			       union perf_event *event,
			       struct perf_sample *sample,
			       struct machine *machine);
int perf_event__process_namespaces(struct perf_tool *tool,
				   union perf_event *event,
				   struct perf_sample *sample,
				   struct machine *machine);
int perf_event__process_mmap(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process_mmap2(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process_fork(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process_exit(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_sample *sample,
			     struct machine *machine);
int perf_event__process(struct perf_tool *tool,
			union perf_event *event,
			struct perf_sample *sample,
			struct machine *machine);

struct addr_location;

int machine__resolve(struct machine *machine, struct addr_location *al,
		     struct perf_sample *sample);

void addr_location__put(struct addr_location *al);

struct thread;

bool is_bts_event(struct perf_event_attr *attr);
bool sample_addr_correlates_sym(struct perf_event_attr *attr);
void thread__resolve(struct thread *thread, struct addr_location *al,
		     struct perf_sample *sample);

const char *perf_event__name(unsigned int id);

size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
				     u64 read_format);
int perf_event__synthesize_sample(union perf_event *event, u64 type,
				  u64 read_format,
				  const struct perf_sample *sample,
				  bool swapped);

pid_t perf_event__synthesize_comm(struct perf_tool *tool,
				  union perf_event *event, pid_t pid,
				  perf_event__handler_t process,
				  struct machine *machine);

int perf_event__synthesize_namespaces(struct perf_tool *tool,
				      union perf_event *event,
				      pid_t pid, pid_t tgid,
				      perf_event__handler_t process,
				      struct machine *machine);

int perf_event__synthesize_mmap_events(struct perf_tool *tool,
				       union perf_event *event,
				       pid_t pid, pid_t tgid,
				       perf_event__handler_t process,
				       struct machine *machine,
				       bool mmap_data,
				       unsigned int proc_map_timeout);

size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp);
size_t perf_event__fprintf(union perf_event *event, FILE *fp);

int kallsyms__get_function_start(const char *kallsyms_filename,
				 const char *symbol_name, u64 *addr);

void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max);
void  cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map,
			       u16 type, int max);

void event_attr_init(struct perf_event_attr *attr);

int perf_event_paranoid(void);

extern int sysctl_perf_event_max_stack;
extern int sysctl_perf_event_max_contexts_per_stack;

#endif /* __PERF_RECORD_H */