1 #ifndef __PERF_RECORD_H
2 #define __PERF_RECORD_H
6 #include <linux/kernel.h>
10 #include "perf_regs.h"
13 struct perf_event_header header
;
18 char filename
[PATH_MAX
];
22 struct perf_event_header header
;
33 char filename
[PATH_MAX
];
37 struct perf_event_header header
;
42 struct namespaces_event
{
43 struct perf_event_header header
;
46 struct perf_ns_link_info link_info
[];
50 struct perf_event_header header
;
57 struct perf_event_header header
;
62 struct lost_samples_event
{
63 struct perf_event_header header
;
68 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
71 struct perf_event_header header
;
79 struct throttle_event
{
80 struct perf_event_header header
;
86 #define PERF_SAMPLE_MASK \
87 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
88 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
89 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
90 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
91 PERF_SAMPLE_IDENTIFIER)
93 /* perf sample has 16 bits size limit */
94 #define PERF_SAMPLE_MAX_SIZE (1 << 16)
97 struct perf_event_header header
;
106 /* Cached values/mask filled by first register access. */
107 u64 cache_regs
[PERF_REGS_MAX
];
117 struct sample_read_value
{
128 struct sample_read_value
*values
;
130 struct sample_read_value one
;
134 struct ip_callchain
{
139 struct branch_flags
{
148 struct branch_entry
{
151 struct branch_flags flags
;
154 struct branch_stack
{
156 struct branch_entry entries
[0];
160 PERF_IP_FLAG_BRANCH
= 1ULL << 0,
161 PERF_IP_FLAG_CALL
= 1ULL << 1,
162 PERF_IP_FLAG_RETURN
= 1ULL << 2,
163 PERF_IP_FLAG_CONDITIONAL
= 1ULL << 3,
164 PERF_IP_FLAG_SYSCALLRET
= 1ULL << 4,
165 PERF_IP_FLAG_ASYNC
= 1ULL << 5,
166 PERF_IP_FLAG_INTERRUPT
= 1ULL << 6,
167 PERF_IP_FLAG_TX_ABORT
= 1ULL << 7,
168 PERF_IP_FLAG_TRACE_BEGIN
= 1ULL << 8,
169 PERF_IP_FLAG_TRACE_END
= 1ULL << 9,
170 PERF_IP_FLAG_IN_TX
= 1ULL << 10,
173 #define PERF_IP_FLAG_CHARS "bcrosyiABEx"
175 #define PERF_BRANCH_MASK (\
176 PERF_IP_FLAG_BRANCH |\
178 PERF_IP_FLAG_RETURN |\
179 PERF_IP_FLAG_CONDITIONAL |\
180 PERF_IP_FLAG_SYSCALLRET |\
181 PERF_IP_FLAG_ASYNC |\
182 PERF_IP_FLAG_INTERRUPT |\
183 PERF_IP_FLAG_TX_ABORT |\
184 PERF_IP_FLAG_TRACE_BEGIN |\
185 PERF_IP_FLAG_TRACE_END)
207 struct ip_callchain
*callchain
;
208 struct branch_stack
*branch_stack
;
209 struct regs_dump user_regs
;
210 struct regs_dump intr_regs
;
211 struct stack_dump user_stack
;
212 struct sample_read read
;
215 #define PERF_MEM_DATA_SRC_NONE \
216 (PERF_MEM_S(OP, NA) |\
217 PERF_MEM_S(LVL, NA) |\
218 PERF_MEM_S(SNOOP, NA) |\
219 PERF_MEM_S(LOCK, NA) |\
222 struct build_id_event
{
223 struct perf_event_header header
;
225 u8 build_id
[PERF_ALIGN(BUILD_ID_SIZE
, sizeof(u64
))];
229 enum perf_user_event_type
{ /* above any possible kernel type */
230 PERF_RECORD_USER_TYPE_START
= 64,
231 PERF_RECORD_HEADER_ATTR
= 64,
232 PERF_RECORD_HEADER_EVENT_TYPE
= 65, /* deprecated */
233 PERF_RECORD_HEADER_TRACING_DATA
= 66,
234 PERF_RECORD_HEADER_BUILD_ID
= 67,
235 PERF_RECORD_FINISHED_ROUND
= 68,
236 PERF_RECORD_ID_INDEX
= 69,
237 PERF_RECORD_AUXTRACE_INFO
= 70,
238 PERF_RECORD_AUXTRACE
= 71,
239 PERF_RECORD_AUXTRACE_ERROR
= 72,
240 PERF_RECORD_THREAD_MAP
= 73,
241 PERF_RECORD_CPU_MAP
= 74,
242 PERF_RECORD_STAT_CONFIG
= 75,
243 PERF_RECORD_STAT
= 76,
244 PERF_RECORD_STAT_ROUND
= 77,
245 PERF_RECORD_EVENT_UPDATE
= 78,
246 PERF_RECORD_TIME_CONV
= 79,
247 PERF_RECORD_HEADER_MAX
250 enum auxtrace_error_type
{
251 PERF_AUXTRACE_ERROR_ITRACE
= 1,
252 PERF_AUXTRACE_ERROR_MAX
256 * The kernel collects the number of events it couldn't send in a stretch and
257 * when possible sends this number in a PERF_RECORD_LOST event. The number of
258 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
259 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
260 * the sum of all struct lost_event.lost fields reported.
262 * The kernel discards mixed up samples and sends the number in a
263 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
264 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
265 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
266 * all struct lost_samples_event.lost fields reported.
268 * The total_period is needed because by default auto-freq is used, so
269 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
270 * the total number of low level events, it is necessary to to sum all struct
271 * sample_event.period and stash the result in total_period.
273 struct events_stats
{
275 u64 total_non_filtered_period
;
277 u64 total_lost_samples
;
279 u64 total_aux_partial
;
280 u64 total_invalid_chains
;
281 u32 nr_events
[PERF_RECORD_HEADER_MAX
];
282 u32 nr_non_filtered_samples
;
284 u32 nr_unknown_events
;
285 u32 nr_invalid_chains
;
287 u32 nr_unprocessable_samples
;
288 u32 nr_auxtrace_errors
[PERF_AUXTRACE_ERROR_MAX
];
289 u32 nr_proc_map_timeout
;
293 PERF_CPU_MAP__CPUS
= 0,
294 PERF_CPU_MAP__MASK
= 1,
297 struct cpu_map_entries
{
302 struct cpu_map_mask
{
305 unsigned long mask
[];
308 struct cpu_map_data
{
313 struct cpu_map_event
{
314 struct perf_event_header header
;
315 struct cpu_map_data data
;
319 struct perf_event_header header
;
320 struct perf_event_attr attr
;
325 PERF_EVENT_UPDATE__UNIT
= 0,
326 PERF_EVENT_UPDATE__SCALE
= 1,
327 PERF_EVENT_UPDATE__NAME
= 2,
328 PERF_EVENT_UPDATE__CPUS
= 3,
331 struct event_update_event_cpus
{
332 struct cpu_map_data cpus
;
335 struct event_update_event_scale
{
339 struct event_update_event
{
340 struct perf_event_header header
;
347 #define MAX_EVENT_NAME 64
349 struct perf_trace_event_type
{
351 char name
[MAX_EVENT_NAME
];
354 struct event_type_event
{
355 struct perf_event_header header
;
356 struct perf_trace_event_type event_type
;
359 struct tracing_data_event
{
360 struct perf_event_header header
;
364 struct id_index_entry
{
371 struct id_index_event
{
372 struct perf_event_header header
;
374 struct id_index_entry entries
[0];
377 struct auxtrace_info_event
{
378 struct perf_event_header header
;
380 u32 reserved__
; /* For alignment */
384 struct auxtrace_event
{
385 struct perf_event_header header
;
392 u32 reserved__
; /* For alignment */
395 #define MAX_AUXTRACE_ERROR_MSG 64
397 struct auxtrace_error_event
{
398 struct perf_event_header header
;
404 u32 reserved__
; /* For alignment */
406 char msg
[MAX_AUXTRACE_ERROR_MSG
];
410 struct perf_event_header header
;
416 struct itrace_start_event
{
417 struct perf_event_header header
;
421 struct context_switch_event
{
422 struct perf_event_header header
;
427 struct thread_map_event_entry
{
432 struct thread_map_event
{
433 struct perf_event_header header
;
435 struct thread_map_event_entry entries
[];
439 PERF_STAT_CONFIG_TERM__AGGR_MODE
= 0,
440 PERF_STAT_CONFIG_TERM__INTERVAL
= 1,
441 PERF_STAT_CONFIG_TERM__SCALE
= 2,
442 PERF_STAT_CONFIG_TERM__MAX
= 3,
445 struct stat_config_event_entry
{
450 struct stat_config_event
{
451 struct perf_event_header header
;
453 struct stat_config_event_entry data
[];
457 struct perf_event_header header
;
474 PERF_STAT_ROUND_TYPE__INTERVAL
= 0,
475 PERF_STAT_ROUND_TYPE__FINAL
= 1,
478 struct stat_round_event
{
479 struct perf_event_header header
;
484 struct time_conv_event
{
485 struct perf_event_header header
;
492 struct perf_event_header header
;
493 struct mmap_event mmap
;
494 struct mmap2_event mmap2
;
495 struct comm_event comm
;
496 struct namespaces_event namespaces
;
497 struct fork_event fork
;
498 struct lost_event lost
;
499 struct lost_samples_event lost_samples
;
500 struct read_event read
;
501 struct throttle_event throttle
;
502 struct sample_event sample
;
503 struct attr_event attr
;
504 struct event_update_event event_update
;
505 struct event_type_event event_type
;
506 struct tracing_data_event tracing_data
;
507 struct build_id_event build_id
;
508 struct id_index_event id_index
;
509 struct auxtrace_info_event auxtrace_info
;
510 struct auxtrace_event auxtrace
;
511 struct auxtrace_error_event auxtrace_error
;
512 struct aux_event aux
;
513 struct itrace_start_event itrace_start
;
514 struct context_switch_event context_switch
;
515 struct thread_map_event thread_map
;
516 struct cpu_map_event cpu_map
;
517 struct stat_config_event stat_config
;
518 struct stat_event stat
;
519 struct stat_round_event stat_round
;
520 struct time_conv_event time_conv
;
523 void perf_event__print_totals(void);
528 struct perf_stat_config
;
529 struct perf_counts_values
;
531 typedef int (*perf_event__handler_t
)(struct perf_tool
*tool
,
532 union perf_event
*event
,
533 struct perf_sample
*sample
,
534 struct machine
*machine
);
536 int perf_event__synthesize_thread_map(struct perf_tool
*tool
,
537 struct thread_map
*threads
,
538 perf_event__handler_t process
,
539 struct machine
*machine
, bool mmap_data
,
540 unsigned int proc_map_timeout
);
541 int perf_event__synthesize_thread_map2(struct perf_tool
*tool
,
542 struct thread_map
*threads
,
543 perf_event__handler_t process
,
544 struct machine
*machine
);
545 int perf_event__synthesize_cpu_map(struct perf_tool
*tool
,
546 struct cpu_map
*cpus
,
547 perf_event__handler_t process
,
548 struct machine
*machine
);
549 int perf_event__synthesize_threads(struct perf_tool
*tool
,
550 perf_event__handler_t process
,
551 struct machine
*machine
, bool mmap_data
,
552 unsigned int proc_map_timeout
);
553 int perf_event__synthesize_kernel_mmap(struct perf_tool
*tool
,
554 perf_event__handler_t process
,
555 struct machine
*machine
);
556 int perf_event__synthesize_stat_config(struct perf_tool
*tool
,
557 struct perf_stat_config
*config
,
558 perf_event__handler_t process
,
559 struct machine
*machine
);
560 void perf_event__read_stat_config(struct perf_stat_config
*config
,
561 struct stat_config_event
*event
);
562 int perf_event__synthesize_stat(struct perf_tool
*tool
,
563 u32 cpu
, u32 thread
, u64 id
,
564 struct perf_counts_values
*count
,
565 perf_event__handler_t process
,
566 struct machine
*machine
);
567 int perf_event__synthesize_stat_round(struct perf_tool
*tool
,
569 perf_event__handler_t process
,
570 struct machine
*machine
);
571 int perf_event__synthesize_modules(struct perf_tool
*tool
,
572 perf_event__handler_t process
,
573 struct machine
*machine
);
575 int perf_event__process_comm(struct perf_tool
*tool
,
576 union perf_event
*event
,
577 struct perf_sample
*sample
,
578 struct machine
*machine
);
579 int perf_event__process_lost(struct perf_tool
*tool
,
580 union perf_event
*event
,
581 struct perf_sample
*sample
,
582 struct machine
*machine
);
583 int perf_event__process_lost_samples(struct perf_tool
*tool
,
584 union perf_event
*event
,
585 struct perf_sample
*sample
,
586 struct machine
*machine
);
587 int perf_event__process_aux(struct perf_tool
*tool
,
588 union perf_event
*event
,
589 struct perf_sample
*sample
,
590 struct machine
*machine
);
591 int perf_event__process_itrace_start(struct perf_tool
*tool
,
592 union perf_event
*event
,
593 struct perf_sample
*sample
,
594 struct machine
*machine
);
595 int perf_event__process_switch(struct perf_tool
*tool
,
596 union perf_event
*event
,
597 struct perf_sample
*sample
,
598 struct machine
*machine
);
599 int perf_event__process_namespaces(struct perf_tool
*tool
,
600 union perf_event
*event
,
601 struct perf_sample
*sample
,
602 struct machine
*machine
);
603 int perf_event__process_mmap(struct perf_tool
*tool
,
604 union perf_event
*event
,
605 struct perf_sample
*sample
,
606 struct machine
*machine
);
607 int perf_event__process_mmap2(struct perf_tool
*tool
,
608 union perf_event
*event
,
609 struct perf_sample
*sample
,
610 struct machine
*machine
);
611 int perf_event__process_fork(struct perf_tool
*tool
,
612 union perf_event
*event
,
613 struct perf_sample
*sample
,
614 struct machine
*machine
);
615 int perf_event__process_exit(struct perf_tool
*tool
,
616 union perf_event
*event
,
617 struct perf_sample
*sample
,
618 struct machine
*machine
);
619 int perf_event__process(struct perf_tool
*tool
,
620 union perf_event
*event
,
621 struct perf_sample
*sample
,
622 struct machine
*machine
);
624 struct addr_location
;
626 int machine__resolve(struct machine
*machine
, struct addr_location
*al
,
627 struct perf_sample
*sample
);
629 void addr_location__put(struct addr_location
*al
);
633 bool is_bts_event(struct perf_event_attr
*attr
);
634 bool sample_addr_correlates_sym(struct perf_event_attr
*attr
);
635 void thread__resolve(struct thread
*thread
, struct addr_location
*al
,
636 struct perf_sample
*sample
);
638 const char *perf_event__name(unsigned int id
);
640 size_t perf_event__sample_event_size(const struct perf_sample
*sample
, u64 type
,
642 int perf_event__synthesize_sample(union perf_event
*event
, u64 type
,
644 const struct perf_sample
*sample
,
647 pid_t
perf_event__synthesize_comm(struct perf_tool
*tool
,
648 union perf_event
*event
, pid_t pid
,
649 perf_event__handler_t process
,
650 struct machine
*machine
);
652 int perf_event__synthesize_namespaces(struct perf_tool
*tool
,
653 union perf_event
*event
,
654 pid_t pid
, pid_t tgid
,
655 perf_event__handler_t process
,
656 struct machine
*machine
);
658 int perf_event__synthesize_mmap_events(struct perf_tool
*tool
,
659 union perf_event
*event
,
660 pid_t pid
, pid_t tgid
,
661 perf_event__handler_t process
,
662 struct machine
*machine
,
664 unsigned int proc_map_timeout
);
666 size_t perf_event__fprintf_comm(union perf_event
*event
, FILE *fp
);
667 size_t perf_event__fprintf_mmap(union perf_event
*event
, FILE *fp
);
668 size_t perf_event__fprintf_mmap2(union perf_event
*event
, FILE *fp
);
669 size_t perf_event__fprintf_task(union perf_event
*event
, FILE *fp
);
670 size_t perf_event__fprintf_aux(union perf_event
*event
, FILE *fp
);
671 size_t perf_event__fprintf_itrace_start(union perf_event
*event
, FILE *fp
);
672 size_t perf_event__fprintf_switch(union perf_event
*event
, FILE *fp
);
673 size_t perf_event__fprintf_thread_map(union perf_event
*event
, FILE *fp
);
674 size_t perf_event__fprintf_cpu_map(union perf_event
*event
, FILE *fp
);
675 size_t perf_event__fprintf_namespaces(union perf_event
*event
, FILE *fp
);
676 size_t perf_event__fprintf(union perf_event
*event
, FILE *fp
);
678 int kallsyms__get_function_start(const char *kallsyms_filename
,
679 const char *symbol_name
, u64
*addr
);
681 void *cpu_map_data__alloc(struct cpu_map
*map
, size_t *size
, u16
*type
, int *max
);
682 void cpu_map_data__synthesize(struct cpu_map_data
*data
, struct cpu_map
*map
,
685 void event_attr_init(struct perf_event_attr
*attr
);
687 int perf_event_paranoid(void);
689 extern int sysctl_perf_event_max_stack
;
690 extern int sysctl_perf_event_max_contexts_per_stack
;
692 #endif /* __PERF_RECORD_H */