1 #ifndef __PERF_RECORD_H
2 #define __PERF_RECORD_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
;
43 struct perf_event_header header
;
50 struct perf_event_header header
;
55 struct lost_samples_event
{
56 struct perf_event_header header
;
61 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
64 struct perf_event_header header
;
72 struct throttle_event
{
73 struct perf_event_header header
;
79 #define PERF_SAMPLE_MASK \
80 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
81 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
82 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
83 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
84 PERF_SAMPLE_IDENTIFIER)
86 /* perf sample has 16 bits size limit */
87 #define PERF_SAMPLE_MAX_SIZE (1 << 16)
90 struct perf_event_header header
;
99 /* Cached values/mask filled by first register access. */
100 u64 cache_regs
[PERF_REGS_MAX
];
110 struct sample_read_value
{
121 struct sample_read_value
*values
;
123 struct sample_read_value one
;
127 struct ip_callchain
{
132 struct branch_flags
{
141 struct branch_entry
{
144 struct branch_flags flags
;
147 struct branch_stack
{
149 struct branch_entry entries
[0];
153 PERF_IP_FLAG_BRANCH
= 1ULL << 0,
154 PERF_IP_FLAG_CALL
= 1ULL << 1,
155 PERF_IP_FLAG_RETURN
= 1ULL << 2,
156 PERF_IP_FLAG_CONDITIONAL
= 1ULL << 3,
157 PERF_IP_FLAG_SYSCALLRET
= 1ULL << 4,
158 PERF_IP_FLAG_ASYNC
= 1ULL << 5,
159 PERF_IP_FLAG_INTERRUPT
= 1ULL << 6,
160 PERF_IP_FLAG_TX_ABORT
= 1ULL << 7,
161 PERF_IP_FLAG_TRACE_BEGIN
= 1ULL << 8,
162 PERF_IP_FLAG_TRACE_END
= 1ULL << 9,
163 PERF_IP_FLAG_IN_TX
= 1ULL << 10,
166 #define PERF_IP_FLAG_CHARS "bcrosyiABEx"
168 #define PERF_BRANCH_MASK (\
169 PERF_IP_FLAG_BRANCH |\
171 PERF_IP_FLAG_RETURN |\
172 PERF_IP_FLAG_CONDITIONAL |\
173 PERF_IP_FLAG_SYSCALLRET |\
174 PERF_IP_FLAG_ASYNC |\
175 PERF_IP_FLAG_INTERRUPT |\
176 PERF_IP_FLAG_TX_ABORT |\
177 PERF_IP_FLAG_TRACE_BEGIN |\
178 PERF_IP_FLAG_TRACE_END)
196 struct ip_callchain
*callchain
;
197 struct branch_stack
*branch_stack
;
198 struct regs_dump user_regs
;
199 struct regs_dump intr_regs
;
200 struct stack_dump user_stack
;
201 struct sample_read read
;
204 #define PERF_MEM_DATA_SRC_NONE \
205 (PERF_MEM_S(OP, NA) |\
206 PERF_MEM_S(LVL, NA) |\
207 PERF_MEM_S(SNOOP, NA) |\
208 PERF_MEM_S(LOCK, NA) |\
211 struct build_id_event
{
212 struct perf_event_header header
;
214 u8 build_id
[PERF_ALIGN(BUILD_ID_SIZE
, sizeof(u64
))];
218 enum perf_user_event_type
{ /* above any possible kernel type */
219 PERF_RECORD_USER_TYPE_START
= 64,
220 PERF_RECORD_HEADER_ATTR
= 64,
221 PERF_RECORD_HEADER_EVENT_TYPE
= 65, /* depreceated */
222 PERF_RECORD_HEADER_TRACING_DATA
= 66,
223 PERF_RECORD_HEADER_BUILD_ID
= 67,
224 PERF_RECORD_FINISHED_ROUND
= 68,
225 PERF_RECORD_ID_INDEX
= 69,
226 PERF_RECORD_AUXTRACE_INFO
= 70,
227 PERF_RECORD_AUXTRACE
= 71,
228 PERF_RECORD_AUXTRACE_ERROR
= 72,
229 PERF_RECORD_THREAD_MAP
= 73,
230 PERF_RECORD_CPU_MAP
= 74,
231 PERF_RECORD_HEADER_MAX
234 enum auxtrace_error_type
{
235 PERF_AUXTRACE_ERROR_ITRACE
= 1,
236 PERF_AUXTRACE_ERROR_MAX
240 * The kernel collects the number of events it couldn't send in a stretch and
241 * when possible sends this number in a PERF_RECORD_LOST event. The number of
242 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
243 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
244 * the sum of all struct lost_event.lost fields reported.
246 * The kernel discards mixed up samples and sends the number in a
247 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
248 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
249 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
250 * all struct lost_samples_event.lost fields reported.
252 * The total_period is needed because by default auto-freq is used, so
253 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
254 * the total number of low level events, it is necessary to to sum all struct
255 * sample_event.period and stash the result in total_period.
257 struct events_stats
{
259 u64 total_non_filtered_period
;
261 u64 total_lost_samples
;
263 u64 total_invalid_chains
;
264 u32 nr_events
[PERF_RECORD_HEADER_MAX
];
265 u32 nr_non_filtered_samples
;
267 u32 nr_unknown_events
;
268 u32 nr_invalid_chains
;
270 u32 nr_unprocessable_samples
;
271 u32 nr_auxtrace_errors
[PERF_AUXTRACE_ERROR_MAX
];
272 u32 nr_proc_map_timeout
;
276 PERF_CPU_MAP__CPUS
= 0,
277 PERF_CPU_MAP__MASK
= 1,
280 struct cpu_map_entries
{
285 struct cpu_map_mask
{
288 unsigned long mask
[];
291 struct cpu_map_data
{
296 struct cpu_map_event
{
297 struct perf_event_header header
;
298 struct cpu_map_data data
;
302 struct perf_event_header header
;
303 struct perf_event_attr attr
;
307 #define MAX_EVENT_NAME 64
309 struct perf_trace_event_type
{
311 char name
[MAX_EVENT_NAME
];
314 struct event_type_event
{
315 struct perf_event_header header
;
316 struct perf_trace_event_type event_type
;
319 struct tracing_data_event
{
320 struct perf_event_header header
;
324 struct id_index_entry
{
331 struct id_index_event
{
332 struct perf_event_header header
;
334 struct id_index_entry entries
[0];
337 struct auxtrace_info_event
{
338 struct perf_event_header header
;
340 u32 reserved__
; /* For alignment */
344 struct auxtrace_event
{
345 struct perf_event_header header
;
352 u32 reserved__
; /* For alignment */
355 #define MAX_AUXTRACE_ERROR_MSG 64
357 struct auxtrace_error_event
{
358 struct perf_event_header header
;
364 u32 reserved__
; /* For alignment */
366 char msg
[MAX_AUXTRACE_ERROR_MSG
];
370 struct perf_event_header header
;
376 struct itrace_start_event
{
377 struct perf_event_header header
;
381 struct context_switch_event
{
382 struct perf_event_header header
;
387 struct thread_map_event_entry
{
392 struct thread_map_event
{
393 struct perf_event_header header
;
395 struct thread_map_event_entry entries
[];
399 struct perf_event_header header
;
400 struct mmap_event mmap
;
401 struct mmap2_event mmap2
;
402 struct comm_event comm
;
403 struct fork_event fork
;
404 struct lost_event lost
;
405 struct lost_samples_event lost_samples
;
406 struct read_event read
;
407 struct throttle_event throttle
;
408 struct sample_event sample
;
409 struct attr_event attr
;
410 struct event_type_event event_type
;
411 struct tracing_data_event tracing_data
;
412 struct build_id_event build_id
;
413 struct id_index_event id_index
;
414 struct auxtrace_info_event auxtrace_info
;
415 struct auxtrace_event auxtrace
;
416 struct auxtrace_error_event auxtrace_error
;
417 struct aux_event aux
;
418 struct itrace_start_event itrace_start
;
419 struct context_switch_event context_switch
;
420 struct thread_map_event thread_map
;
421 struct cpu_map_event cpu_map
;
424 void perf_event__print_totals(void);
430 typedef int (*perf_event__handler_t
)(struct perf_tool
*tool
,
431 union perf_event
*event
,
432 struct perf_sample
*sample
,
433 struct machine
*machine
);
435 int perf_event__synthesize_thread_map(struct perf_tool
*tool
,
436 struct thread_map
*threads
,
437 perf_event__handler_t process
,
438 struct machine
*machine
, bool mmap_data
,
439 unsigned int proc_map_timeout
);
440 int perf_event__synthesize_thread_map2(struct perf_tool
*tool
,
441 struct thread_map
*threads
,
442 perf_event__handler_t process
,
443 struct machine
*machine
);
444 int perf_event__synthesize_cpu_map(struct perf_tool
*tool
,
445 struct cpu_map
*cpus
,
446 perf_event__handler_t process
,
447 struct machine
*machine
);
448 int perf_event__synthesize_threads(struct perf_tool
*tool
,
449 perf_event__handler_t process
,
450 struct machine
*machine
, bool mmap_data
,
451 unsigned int proc_map_timeout
);
452 int perf_event__synthesize_kernel_mmap(struct perf_tool
*tool
,
453 perf_event__handler_t process
,
454 struct machine
*machine
);
456 int perf_event__synthesize_modules(struct perf_tool
*tool
,
457 perf_event__handler_t process
,
458 struct machine
*machine
);
460 int perf_event__process_comm(struct perf_tool
*tool
,
461 union perf_event
*event
,
462 struct perf_sample
*sample
,
463 struct machine
*machine
);
464 int perf_event__process_lost(struct perf_tool
*tool
,
465 union perf_event
*event
,
466 struct perf_sample
*sample
,
467 struct machine
*machine
);
468 int perf_event__process_lost_samples(struct perf_tool
*tool
,
469 union perf_event
*event
,
470 struct perf_sample
*sample
,
471 struct machine
*machine
);
472 int perf_event__process_aux(struct perf_tool
*tool
,
473 union perf_event
*event
,
474 struct perf_sample
*sample
,
475 struct machine
*machine
);
476 int perf_event__process_itrace_start(struct perf_tool
*tool
,
477 union perf_event
*event
,
478 struct perf_sample
*sample
,
479 struct machine
*machine
);
480 int perf_event__process_switch(struct perf_tool
*tool
,
481 union perf_event
*event
,
482 struct perf_sample
*sample
,
483 struct machine
*machine
);
484 int perf_event__process_mmap(struct perf_tool
*tool
,
485 union perf_event
*event
,
486 struct perf_sample
*sample
,
487 struct machine
*machine
);
488 int perf_event__process_mmap2(struct perf_tool
*tool
,
489 union perf_event
*event
,
490 struct perf_sample
*sample
,
491 struct machine
*machine
);
492 int perf_event__process_fork(struct perf_tool
*tool
,
493 union perf_event
*event
,
494 struct perf_sample
*sample
,
495 struct machine
*machine
);
496 int perf_event__process_exit(struct perf_tool
*tool
,
497 union perf_event
*event
,
498 struct perf_sample
*sample
,
499 struct machine
*machine
);
500 int perf_event__process(struct perf_tool
*tool
,
501 union perf_event
*event
,
502 struct perf_sample
*sample
,
503 struct machine
*machine
);
505 struct addr_location
;
507 int perf_event__preprocess_sample(const union perf_event
*event
,
508 struct machine
*machine
,
509 struct addr_location
*al
,
510 struct perf_sample
*sample
);
512 void addr_location__put(struct addr_location
*al
);
516 bool is_bts_event(struct perf_event_attr
*attr
);
517 bool sample_addr_correlates_sym(struct perf_event_attr
*attr
);
518 void perf_event__preprocess_sample_addr(union perf_event
*event
,
519 struct perf_sample
*sample
,
520 struct thread
*thread
,
521 struct addr_location
*al
);
523 const char *perf_event__name(unsigned int id
);
525 size_t perf_event__sample_event_size(const struct perf_sample
*sample
, u64 type
,
527 int perf_event__synthesize_sample(union perf_event
*event
, u64 type
,
529 const struct perf_sample
*sample
,
532 pid_t
perf_event__synthesize_comm(struct perf_tool
*tool
,
533 union perf_event
*event
, pid_t pid
,
534 perf_event__handler_t process
,
535 struct machine
*machine
);
537 int perf_event__synthesize_mmap_events(struct perf_tool
*tool
,
538 union perf_event
*event
,
539 pid_t pid
, pid_t tgid
,
540 perf_event__handler_t process
,
541 struct machine
*machine
,
543 unsigned int proc_map_timeout
);
545 size_t perf_event__fprintf_comm(union perf_event
*event
, FILE *fp
);
546 size_t perf_event__fprintf_mmap(union perf_event
*event
, FILE *fp
);
547 size_t perf_event__fprintf_mmap2(union perf_event
*event
, FILE *fp
);
548 size_t perf_event__fprintf_task(union perf_event
*event
, FILE *fp
);
549 size_t perf_event__fprintf_aux(union perf_event
*event
, FILE *fp
);
550 size_t perf_event__fprintf_itrace_start(union perf_event
*event
, FILE *fp
);
551 size_t perf_event__fprintf_switch(union perf_event
*event
, FILE *fp
);
552 size_t perf_event__fprintf_thread_map(union perf_event
*event
, FILE *fp
);
553 size_t perf_event__fprintf_cpu_map(union perf_event
*event
, FILE *fp
);
554 size_t perf_event__fprintf(union perf_event
*event
, FILE *fp
);
556 u64
kallsyms__get_function_start(const char *kallsyms_filename
,
557 const char *symbol_name
);
559 void *cpu_map_data__alloc(struct cpu_map
*map
, size_t *size
, u16
*type
, int *max
);
560 void cpu_map_data__synthesize(struct cpu_map_data
*data
, struct cpu_map
*map
,
562 #endif /* __PERF_RECORD_H */