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)
200 struct ip_callchain *callchain;
201 struct branch_stack *branch_stack;
202 struct regs_dump user_regs;
203 struct regs_dump intr_regs;
204 struct stack_dump user_stack;
205 struct sample_read read;
208 #define PERF_MEM_DATA_SRC_NONE \
209 (PERF_MEM_S(OP, NA) |\
210 PERF_MEM_S(LVL, NA) |\
211 PERF_MEM_S(SNOOP, NA) |\
212 PERF_MEM_S(LOCK, NA) |\
215 struct build_id_event {
216 struct perf_event_header header;
218 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
222 enum perf_user_event_type { /* above any possible kernel type */
223 PERF_RECORD_USER_TYPE_START = 64,
224 PERF_RECORD_HEADER_ATTR = 64,
225 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
226 PERF_RECORD_HEADER_TRACING_DATA = 66,
227 PERF_RECORD_HEADER_BUILD_ID = 67,
228 PERF_RECORD_FINISHED_ROUND = 68,
229 PERF_RECORD_ID_INDEX = 69,
230 PERF_RECORD_AUXTRACE_INFO = 70,
231 PERF_RECORD_AUXTRACE = 71,
232 PERF_RECORD_AUXTRACE_ERROR = 72,
233 PERF_RECORD_THREAD_MAP = 73,
234 PERF_RECORD_CPU_MAP = 74,
235 PERF_RECORD_STAT_CONFIG = 75,
236 PERF_RECORD_STAT = 76,
237 PERF_RECORD_STAT_ROUND = 77,
238 PERF_RECORD_EVENT_UPDATE = 78,
239 PERF_RECORD_TIME_CONV = 79,
240 PERF_RECORD_HEADER_MAX
243 enum auxtrace_error_type {
244 PERF_AUXTRACE_ERROR_ITRACE = 1,
245 PERF_AUXTRACE_ERROR_MAX
249 * The kernel collects the number of events it couldn't send in a stretch and
250 * when possible sends this number in a PERF_RECORD_LOST event. The number of
251 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
252 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
253 * the sum of all struct lost_event.lost fields reported.
255 * The kernel discards mixed up samples and sends the number in a
256 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
257 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
258 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
259 * all struct lost_samples_event.lost fields reported.
261 * The total_period is needed because by default auto-freq is used, so
262 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
263 * the total number of low level events, it is necessary to to sum all struct
264 * sample_event.period and stash the result in total_period.
266 struct events_stats {
268 u64 total_non_filtered_period;
270 u64 total_lost_samples;
272 u64 total_invalid_chains;
273 u32 nr_events[PERF_RECORD_HEADER_MAX];
274 u32 nr_non_filtered_samples;
276 u32 nr_unknown_events;
277 u32 nr_invalid_chains;
279 u32 nr_unprocessable_samples;
280 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
281 u32 nr_proc_map_timeout;
285 PERF_CPU_MAP__CPUS = 0,
286 PERF_CPU_MAP__MASK = 1,
289 struct cpu_map_entries {
294 struct cpu_map_mask {
297 unsigned long mask[];
300 struct cpu_map_data {
305 struct cpu_map_event {
306 struct perf_event_header header;
307 struct cpu_map_data data;
311 struct perf_event_header header;
312 struct perf_event_attr attr;
317 PERF_EVENT_UPDATE__UNIT = 0,
318 PERF_EVENT_UPDATE__SCALE = 1,
319 PERF_EVENT_UPDATE__NAME = 2,
320 PERF_EVENT_UPDATE__CPUS = 3,
323 struct event_update_event_cpus {
324 struct cpu_map_data cpus;
327 struct event_update_event_scale {
331 struct event_update_event {
332 struct perf_event_header header;
339 #define MAX_EVENT_NAME 64
341 struct perf_trace_event_type {
343 char name[MAX_EVENT_NAME];
346 struct event_type_event {
347 struct perf_event_header header;
348 struct perf_trace_event_type event_type;
351 struct tracing_data_event {
352 struct perf_event_header header;
356 struct id_index_entry {
363 struct id_index_event {
364 struct perf_event_header header;
366 struct id_index_entry entries[0];
369 struct auxtrace_info_event {
370 struct perf_event_header header;
372 u32 reserved__; /* For alignment */
376 struct auxtrace_event {
377 struct perf_event_header header;
384 u32 reserved__; /* For alignment */
387 #define MAX_AUXTRACE_ERROR_MSG 64
389 struct auxtrace_error_event {
390 struct perf_event_header header;
396 u32 reserved__; /* For alignment */
398 char msg[MAX_AUXTRACE_ERROR_MSG];
402 struct perf_event_header header;
408 struct itrace_start_event {
409 struct perf_event_header header;
413 struct context_switch_event {
414 struct perf_event_header header;
419 struct thread_map_event_entry {
424 struct thread_map_event {
425 struct perf_event_header header;
427 struct thread_map_event_entry entries[];
431 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0,
432 PERF_STAT_CONFIG_TERM__INTERVAL = 1,
433 PERF_STAT_CONFIG_TERM__SCALE = 2,
434 PERF_STAT_CONFIG_TERM__MAX = 3,
437 struct stat_config_event_entry {
442 struct stat_config_event {
443 struct perf_event_header header;
445 struct stat_config_event_entry data[];
449 struct perf_event_header header;
466 PERF_STAT_ROUND_TYPE__INTERVAL = 0,
467 PERF_STAT_ROUND_TYPE__FINAL = 1,
470 struct stat_round_event {
471 struct perf_event_header header;
476 struct time_conv_event {
477 struct perf_event_header header;
484 struct perf_event_header header;
485 struct mmap_event mmap;
486 struct mmap2_event mmap2;
487 struct comm_event comm;
488 struct fork_event fork;
489 struct lost_event lost;
490 struct lost_samples_event lost_samples;
491 struct read_event read;
492 struct throttle_event throttle;
493 struct sample_event sample;
494 struct attr_event attr;
495 struct event_update_event event_update;
496 struct event_type_event event_type;
497 struct tracing_data_event tracing_data;
498 struct build_id_event build_id;
499 struct id_index_event id_index;
500 struct auxtrace_info_event auxtrace_info;
501 struct auxtrace_event auxtrace;
502 struct auxtrace_error_event auxtrace_error;
503 struct aux_event aux;
504 struct itrace_start_event itrace_start;
505 struct context_switch_event context_switch;
506 struct thread_map_event thread_map;
507 struct cpu_map_event cpu_map;
508 struct stat_config_event stat_config;
509 struct stat_event stat;
510 struct stat_round_event stat_round;
511 struct time_conv_event time_conv;
514 void perf_event__print_totals(void);
519 struct perf_stat_config;
520 struct perf_counts_values;
522 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
523 union perf_event *event,
524 struct perf_sample *sample,
525 struct machine *machine);
527 int perf_event__synthesize_thread_map(struct perf_tool *tool,
528 struct thread_map *threads,
529 perf_event__handler_t process,
530 struct machine *machine, bool mmap_data,
531 unsigned int proc_map_timeout);
532 int perf_event__synthesize_thread_map2(struct perf_tool *tool,
533 struct thread_map *threads,
534 perf_event__handler_t process,
535 struct machine *machine);
536 int perf_event__synthesize_cpu_map(struct perf_tool *tool,
537 struct cpu_map *cpus,
538 perf_event__handler_t process,
539 struct machine *machine);
540 int perf_event__synthesize_threads(struct perf_tool *tool,
541 perf_event__handler_t process,
542 struct machine *machine, bool mmap_data,
543 unsigned int proc_map_timeout);
544 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
545 perf_event__handler_t process,
546 struct machine *machine);
547 int perf_event__synthesize_stat_config(struct perf_tool *tool,
548 struct perf_stat_config *config,
549 perf_event__handler_t process,
550 struct machine *machine);
551 void perf_event__read_stat_config(struct perf_stat_config *config,
552 struct stat_config_event *event);
553 int perf_event__synthesize_stat(struct perf_tool *tool,
554 u32 cpu, u32 thread, u64 id,
555 struct perf_counts_values *count,
556 perf_event__handler_t process,
557 struct machine *machine);
558 int perf_event__synthesize_stat_round(struct perf_tool *tool,
560 perf_event__handler_t process,
561 struct machine *machine);
562 int perf_event__synthesize_modules(struct perf_tool *tool,
563 perf_event__handler_t process,
564 struct machine *machine);
566 int perf_event__process_comm(struct perf_tool *tool,
567 union perf_event *event,
568 struct perf_sample *sample,
569 struct machine *machine);
570 int perf_event__process_lost(struct perf_tool *tool,
571 union perf_event *event,
572 struct perf_sample *sample,
573 struct machine *machine);
574 int perf_event__process_lost_samples(struct perf_tool *tool,
575 union perf_event *event,
576 struct perf_sample *sample,
577 struct machine *machine);
578 int perf_event__process_aux(struct perf_tool *tool,
579 union perf_event *event,
580 struct perf_sample *sample,
581 struct machine *machine);
582 int perf_event__process_itrace_start(struct perf_tool *tool,
583 union perf_event *event,
584 struct perf_sample *sample,
585 struct machine *machine);
586 int perf_event__process_switch(struct perf_tool *tool,
587 union perf_event *event,
588 struct perf_sample *sample,
589 struct machine *machine);
590 int perf_event__process_mmap(struct perf_tool *tool,
591 union perf_event *event,
592 struct perf_sample *sample,
593 struct machine *machine);
594 int perf_event__process_mmap2(struct perf_tool *tool,
595 union perf_event *event,
596 struct perf_sample *sample,
597 struct machine *machine);
598 int perf_event__process_fork(struct perf_tool *tool,
599 union perf_event *event,
600 struct perf_sample *sample,
601 struct machine *machine);
602 int perf_event__process_exit(struct perf_tool *tool,
603 union perf_event *event,
604 struct perf_sample *sample,
605 struct machine *machine);
606 int perf_event__process(struct perf_tool *tool,
607 union perf_event *event,
608 struct perf_sample *sample,
609 struct machine *machine);
611 struct addr_location;
613 int machine__resolve(struct machine *machine, struct addr_location *al,
614 struct perf_sample *sample);
616 void addr_location__put(struct addr_location *al);
620 bool is_bts_event(struct perf_event_attr *attr);
621 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
622 void thread__resolve(struct thread *thread, struct addr_location *al,
623 struct perf_sample *sample);
625 const char *perf_event__name(unsigned int id);
627 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
629 int perf_event__synthesize_sample(union perf_event *event, u64 type,
631 const struct perf_sample *sample,
634 pid_t perf_event__synthesize_comm(struct perf_tool *tool,
635 union perf_event *event, pid_t pid,
636 perf_event__handler_t process,
637 struct machine *machine);
639 int perf_event__synthesize_mmap_events(struct perf_tool *tool,
640 union perf_event *event,
641 pid_t pid, pid_t tgid,
642 perf_event__handler_t process,
643 struct machine *machine,
645 unsigned int proc_map_timeout);
647 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
648 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
649 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
650 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
651 size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
652 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
653 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
654 size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
655 size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
656 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
658 u64 kallsyms__get_function_start(const char *kallsyms_filename,
659 const char *symbol_name);
661 void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max);
662 void cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map,
664 #endif /* __PERF_RECORD_H */