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
 13struct 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
 22struct 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
 37struct comm_event {
 38	struct perf_event_header header;
 39	u32 pid, tid;
 40	char comm[16];
 41};
 42
 43struct 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
 50struct fork_event {
 51	struct perf_event_header header;
 52	u32 pid, ppid;
 53	u32 tid, ptid;
 54	u64 time;
 55};
 56
 57struct lost_event {
 58	struct perf_event_header header;
 59	u64 id;
 60	u64 lost;
 61};
 62
 63struct 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 */
 71struct 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
 80struct 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
 97struct sample_event {
 98	struct perf_event_header        header;
 99	u64 array[];
100};
101
102struct 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
112struct stack_dump {
113	u16 offset;
114	u64 size;
115	char *data;
116};
117
118struct sample_read_value {
119	u64 value;
120	u64 id;
121};
122
123struct 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
135struct ip_callchain {
136	u64 nr;
137	u64 ips[0];
138};
139
140struct 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
150struct branch_entry {
151	u64			from;
152	u64			to;
153	struct branch_flags	flags;
154};
155
156struct branch_stack {
157	u64			nr;
158	struct branch_entry	entries[0];
159};
160
161enum {
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
191struct 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
226struct 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
233enum 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
255enum 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 */
264enum 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
282struct 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
294struct 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
308struct 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
323struct 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
334struct 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
348struct 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 */
367static inline void *perf_sample__synth_ptr(struct perf_sample *sample)
368{
369	return sample->raw_data - 4;
370}
371
372static 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 */
399struct 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
418enum {
419	PERF_CPU_MAP__CPUS = 0,
420	PERF_CPU_MAP__MASK = 1,
421};
422
423struct cpu_map_entries {
424	u16	nr;
425	u16	cpu[];
426};
427
428struct cpu_map_mask {
429	u16	nr;
430	u16	long_size;
431	unsigned long mask[];
432};
433
434struct cpu_map_data {
435	u16	type;
436	char	data[];
437};
438
439struct cpu_map_event {
440	struct perf_event_header	header;
441	struct cpu_map_data		data;
442};
443
444struct attr_event {
445	struct perf_event_header header;
446	struct perf_event_attr attr;
447	u64 id[];
448};
449
450enum {
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
457struct event_update_event_cpus {
458	struct cpu_map_data cpus;
459};
460
461struct event_update_event_scale {
462	double scale;
463};
464
465struct 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
475struct perf_trace_event_type {
476	u64	event_id;
477	char	name[MAX_EVENT_NAME];
478};
479
480struct event_type_event {
481	struct perf_event_header header;
482	struct perf_trace_event_type event_type;
483};
484
485struct tracing_data_event {
486	struct perf_event_header header;
487	u32 size;
488};
489
490struct id_index_entry {
491	u64 id;
492	u64 idx;
493	u64 cpu;
494	u64 tid;
495};
496
497struct id_index_event {
498	struct perf_event_header header;
499	u64 nr;
500	struct id_index_entry entries[0];
501};
502
503struct auxtrace_info_event {
504	struct perf_event_header header;
505	u32 type;
506	u32 reserved__; /* For alignment */
507	u64 priv[];
508};
509
510struct 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
523struct 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
535struct aux_event {
536	struct perf_event_header header;
537	u64	aux_offset;
538	u64	aux_size;
539	u64	flags;
540};
541
542struct itrace_start_event {
543	struct perf_event_header header;
544	u32 pid, tid;
545};
546
547struct context_switch_event {
548	struct perf_event_header header;
549	u32 next_prev_pid;
550	u32 next_prev_tid;
551};
552
553struct thread_map_event_entry {
554	u64	pid;
555	char	comm[16];
556};
557
558struct thread_map_event {
559	struct perf_event_header	header;
560	u64				nr;
561	struct thread_map_event_entry	entries[];
562};
563
564enum {
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
571struct stat_config_event_entry {
572	u64	tag;
573	u64	val;
574};
575
576struct stat_config_event {
577	struct perf_event_header	header;
578	u64				nr;
579	struct stat_config_event_entry	data[];
580};
581
582struct 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
599enum {
600	PERF_STAT_ROUND_TYPE__INTERVAL	= 0,
601	PERF_STAT_ROUND_TYPE__FINAL	= 1,
602};
603
604struct stat_round_event {
605	struct perf_event_header	header;
606	u64				type;
607	u64				time;
608};
609
610struct time_conv_event {
611	struct perf_event_header header;
612	u64 time_shift;
613	u64 time_mult;
614	u64 time_zero;
615};
616
617struct feature_event {
618	struct perf_event_header 	header;
619	u64				feat_id;
620	char				data[];
621};
622
623union 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
656void perf_event__print_totals(void);
657
658struct perf_tool;
659struct thread_map;
660struct cpu_map;
661struct perf_stat_config;
662struct perf_counts_values;
663
664typedef int (*perf_event__handler_t)(struct perf_tool *tool,
665				     union perf_event *event,
666				     struct perf_sample *sample,
667				     struct machine *machine);
668
669int 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);
674int perf_event__synthesize_thread_map2(struct perf_tool *tool,
675				      struct thread_map *threads,
676				      perf_event__handler_t process,
677				      struct machine *machine);
678int perf_event__synthesize_cpu_map(struct perf_tool *tool,
679				   struct cpu_map *cpus,
680				   perf_event__handler_t process,
681				   struct machine *machine);
682int 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);
687int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
688				       perf_event__handler_t process,
689				       struct machine *machine);
690int 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);
694void perf_event__read_stat_config(struct perf_stat_config *config,
695				  struct stat_config_event *event);
696int 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);
701int perf_event__synthesize_stat_round(struct perf_tool *tool,
702				      u64 time, u64 type,
703				      perf_event__handler_t process,
704				      struct machine *machine);
705int perf_event__synthesize_modules(struct perf_tool *tool,
706				   perf_event__handler_t process,
707				   struct machine *machine);
708
709int perf_event__process_comm(struct perf_tool *tool,
710			     union perf_event *event,
711			     struct perf_sample *sample,
712			     struct machine *machine);
713int perf_event__process_lost(struct perf_tool *tool,
714			     union perf_event *event,
715			     struct perf_sample *sample,
716			     struct machine *machine);
717int perf_event__process_lost_samples(struct perf_tool *tool,
718				     union perf_event *event,
719				     struct perf_sample *sample,
720				     struct machine *machine);
721int perf_event__process_aux(struct perf_tool *tool,
722			    union perf_event *event,
723			    struct perf_sample *sample,
724			    struct machine *machine);
725int perf_event__process_itrace_start(struct perf_tool *tool,
726				     union perf_event *event,
727				     struct perf_sample *sample,
728				     struct machine *machine);
729int perf_event__process_switch(struct perf_tool *tool,
730			       union perf_event *event,
731			       struct perf_sample *sample,
732			       struct machine *machine);
733int perf_event__process_namespaces(struct perf_tool *tool,
734				   union perf_event *event,
735				   struct perf_sample *sample,
736				   struct machine *machine);
737int perf_event__process_mmap(struct perf_tool *tool,
738			     union perf_event *event,
739			     struct perf_sample *sample,
740			     struct machine *machine);
741int perf_event__process_mmap2(struct perf_tool *tool,
742			     union perf_event *event,
743			     struct perf_sample *sample,
744			     struct machine *machine);
745int perf_event__process_fork(struct perf_tool *tool,
746			     union perf_event *event,
747			     struct perf_sample *sample,
748			     struct machine *machine);
749int perf_event__process_exit(struct perf_tool *tool,
750			     union perf_event *event,
751			     struct perf_sample *sample,
752			     struct machine *machine);
753int perf_event__process(struct perf_tool *tool,
754			union perf_event *event,
755			struct perf_sample *sample,
756			struct machine *machine);
757
758struct addr_location;
759
760int machine__resolve(struct machine *machine, struct addr_location *al,
761		     struct perf_sample *sample);
762
763void addr_location__put(struct addr_location *al);
764
765struct thread;
766
767bool is_bts_event(struct perf_event_attr *attr);
768bool sample_addr_correlates_sym(struct perf_event_attr *attr);
769void thread__resolve(struct thread *thread, struct addr_location *al,
770		     struct perf_sample *sample);
771
772const char *perf_event__name(unsigned int id);
773
774size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
775				     u64 read_format);
 
776int perf_event__synthesize_sample(union perf_event *event, u64 type,
777				  u64 read_format,
778				  const struct perf_sample *sample);
779
780pid_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
785int 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
791int 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
799size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
800size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
801size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
802size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
803size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
804size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
805size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
806size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
807size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
808size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp);
809size_t perf_event__fprintf(union perf_event *event, FILE *fp);
810
811int kallsyms__get_function_start(const char *kallsyms_filename,
812				 const char *symbol_name, u64 *addr);
813
814void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max);
815void  cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map,
816			       u16 type, int max);
817
818void event_attr_init(struct perf_event_attr *attr);
819
820int perf_event_paranoid(void);
821
822extern int sysctl_perf_event_max_stack;
823extern int sysctl_perf_event_max_contexts_per_stack;
824
825#endif /* __PERF_RECORD_H */