xref: /openbmc/linux/tools/perf/util/event.h (revision ddc141e5) 
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_event__process(struct perf_tool *tool,
754 			union perf_event *event,
755 			struct perf_sample *sample,
756 			struct machine *machine);
757 
758 struct addr_location;
759 
760 int machine__resolve(struct machine *machine, struct addr_location *al,
761 		     struct perf_sample *sample);
762 
763 void addr_location__put(struct addr_location *al);
764 
765 struct thread;
766 
767 bool is_bts_event(struct perf_event_attr *attr);
768 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
769 void thread__resolve(struct thread *thread, struct addr_location *al,
770 		     struct perf_sample *sample);
771 
772 const char *perf_event__name(unsigned int id);
773 
774 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
775 				     u64 read_format);
776 int perf_event__synthesize_sample(union perf_event *event, u64 type,
777 				  u64 read_format,
778 				  const struct perf_sample *sample);
779 
780 pid_t perf_event__synthesize_comm(struct perf_tool *tool,
781 				  union perf_event *event, pid_t pid,
782 				  perf_event__handler_t process,
783 				  struct machine *machine);
784 
785 int perf_event__synthesize_namespaces(struct perf_tool *tool,
786 				      union perf_event *event,
787 				      pid_t pid, pid_t tgid,
788 				      perf_event__handler_t process,
789 				      struct machine *machine);
790 
791 int perf_event__synthesize_mmap_events(struct perf_tool *tool,
792 				       union perf_event *event,
793 				       pid_t pid, pid_t tgid,
794 				       perf_event__handler_t process,
795 				       struct machine *machine,
796 				       bool mmap_data,
797 				       unsigned int proc_map_timeout);
798 
799 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
800 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
801 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
802 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
803 size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
804 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
805 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
806 size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
807 size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
808 size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp);
809 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
810 
811 int kallsyms__get_function_start(const char *kallsyms_filename,
812 				 const char *symbol_name, u64 *addr);
813 
814 void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max);
815 void  cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map,
816 			       u16 type, int max);
817 
818 void event_attr_init(struct perf_event_attr *attr);
819 
820 int perf_event_paranoid(void);
821 
822 extern int sysctl_perf_event_max_stack;
823 extern int sysctl_perf_event_max_contexts_per_stack;
824 
825 #endif /* __PERF_RECORD_H */
826