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_STAT_CONFIG = 75,
232 PERF_RECORD_STAT = 76,
233 PERF_RECORD_STAT_ROUND = 77,
234 PERF_RECORD_EVENT_UPDATE = 78,
235 PERF_RECORD_HEADER_MAX
238 enum auxtrace_error_type {
239 PERF_AUXTRACE_ERROR_ITRACE = 1,
240 PERF_AUXTRACE_ERROR_MAX
244 * The kernel collects the number of events it couldn't send in a stretch and
245 * when possible sends this number in a PERF_RECORD_LOST event. The number of
246 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
247 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
248 * the sum of all struct lost_event.lost fields reported.
250 * The kernel discards mixed up samples and sends the number in a
251 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
252 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
253 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
254 * all struct lost_samples_event.lost fields reported.
256 * The total_period is needed because by default auto-freq is used, so
257 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
258 * the total number of low level events, it is necessary to to sum all struct
259 * sample_event.period and stash the result in total_period.
261 struct events_stats {
263 u64 total_non_filtered_period;
265 u64 total_lost_samples;
267 u64 total_invalid_chains;
268 u32 nr_events[PERF_RECORD_HEADER_MAX];
269 u32 nr_non_filtered_samples;
271 u32 nr_unknown_events;
272 u32 nr_invalid_chains;
274 u32 nr_unprocessable_samples;
275 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
276 u32 nr_proc_map_timeout;
280 PERF_CPU_MAP__CPUS = 0,
281 PERF_CPU_MAP__MASK = 1,
284 struct cpu_map_entries {
289 struct cpu_map_mask {
292 unsigned long mask[];
295 struct cpu_map_data {
300 struct cpu_map_event {
301 struct perf_event_header header;
302 struct cpu_map_data data;
306 struct perf_event_header header;
307 struct perf_event_attr attr;
311 struct event_update_event {
312 struct perf_event_header header;
319 #define MAX_EVENT_NAME 64
321 struct perf_trace_event_type {
323 char name[MAX_EVENT_NAME];
326 struct event_type_event {
327 struct perf_event_header header;
328 struct perf_trace_event_type event_type;
331 struct tracing_data_event {
332 struct perf_event_header header;
336 struct id_index_entry {
343 struct id_index_event {
344 struct perf_event_header header;
346 struct id_index_entry entries[0];
349 struct auxtrace_info_event {
350 struct perf_event_header header;
352 u32 reserved__; /* For alignment */
356 struct auxtrace_event {
357 struct perf_event_header header;
364 u32 reserved__; /* For alignment */
367 #define MAX_AUXTRACE_ERROR_MSG 64
369 struct auxtrace_error_event {
370 struct perf_event_header header;
376 u32 reserved__; /* For alignment */
378 char msg[MAX_AUXTRACE_ERROR_MSG];
382 struct perf_event_header header;
388 struct itrace_start_event {
389 struct perf_event_header header;
393 struct context_switch_event {
394 struct perf_event_header header;
399 struct thread_map_event_entry {
404 struct thread_map_event {
405 struct perf_event_header header;
407 struct thread_map_event_entry entries[];
411 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0,
412 PERF_STAT_CONFIG_TERM__INTERVAL = 1,
413 PERF_STAT_CONFIG_TERM__SCALE = 2,
414 PERF_STAT_CONFIG_TERM__MAX = 3,
417 struct stat_config_event_entry {
422 struct stat_config_event {
423 struct perf_event_header header;
425 struct stat_config_event_entry data[];
429 struct perf_event_header header;
446 PERF_STAT_ROUND_TYPE__INTERVAL = 0,
447 PERF_STAT_ROUND_TYPE__FINAL = 1,
450 struct stat_round_event {
451 struct perf_event_header header;
457 struct perf_event_header header;
458 struct mmap_event mmap;
459 struct mmap2_event mmap2;
460 struct comm_event comm;
461 struct fork_event fork;
462 struct lost_event lost;
463 struct lost_samples_event lost_samples;
464 struct read_event read;
465 struct throttle_event throttle;
466 struct sample_event sample;
467 struct attr_event attr;
468 struct event_update_event event_update;
469 struct event_type_event event_type;
470 struct tracing_data_event tracing_data;
471 struct build_id_event build_id;
472 struct id_index_event id_index;
473 struct auxtrace_info_event auxtrace_info;
474 struct auxtrace_event auxtrace;
475 struct auxtrace_error_event auxtrace_error;
476 struct aux_event aux;
477 struct itrace_start_event itrace_start;
478 struct context_switch_event context_switch;
479 struct thread_map_event thread_map;
480 struct cpu_map_event cpu_map;
481 struct stat_config_event stat_config;
482 struct stat_event stat;
483 struct stat_round_event stat_round;
486 void perf_event__print_totals(void);
491 struct perf_stat_config;
492 struct perf_counts_values;
494 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
495 union perf_event *event,
496 struct perf_sample *sample,
497 struct machine *machine);
499 int perf_event__synthesize_thread_map(struct perf_tool *tool,
500 struct thread_map *threads,
501 perf_event__handler_t process,
502 struct machine *machine, bool mmap_data,
503 unsigned int proc_map_timeout);
504 int perf_event__synthesize_thread_map2(struct perf_tool *tool,
505 struct thread_map *threads,
506 perf_event__handler_t process,
507 struct machine *machine);
508 int perf_event__synthesize_cpu_map(struct perf_tool *tool,
509 struct cpu_map *cpus,
510 perf_event__handler_t process,
511 struct machine *machine);
512 int perf_event__synthesize_threads(struct perf_tool *tool,
513 perf_event__handler_t process,
514 struct machine *machine, bool mmap_data,
515 unsigned int proc_map_timeout);
516 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
517 perf_event__handler_t process,
518 struct machine *machine);
519 int perf_event__synthesize_stat_config(struct perf_tool *tool,
520 struct perf_stat_config *config,
521 perf_event__handler_t process,
522 struct machine *machine);
523 void perf_event__read_stat_config(struct perf_stat_config *config,
524 struct stat_config_event *event);
525 int perf_event__synthesize_stat(struct perf_tool *tool,
526 u32 cpu, u32 thread, u64 id,
527 struct perf_counts_values *count,
528 perf_event__handler_t process,
529 struct machine *machine);
530 int perf_event__synthesize_stat_round(struct perf_tool *tool,
532 perf_event__handler_t process,
533 struct machine *machine);
534 int perf_event__synthesize_modules(struct perf_tool *tool,
535 perf_event__handler_t process,
536 struct machine *machine);
538 int perf_event__process_comm(struct perf_tool *tool,
539 union perf_event *event,
540 struct perf_sample *sample,
541 struct machine *machine);
542 int perf_event__process_lost(struct perf_tool *tool,
543 union perf_event *event,
544 struct perf_sample *sample,
545 struct machine *machine);
546 int perf_event__process_lost_samples(struct perf_tool *tool,
547 union perf_event *event,
548 struct perf_sample *sample,
549 struct machine *machine);
550 int perf_event__process_aux(struct perf_tool *tool,
551 union perf_event *event,
552 struct perf_sample *sample,
553 struct machine *machine);
554 int perf_event__process_itrace_start(struct perf_tool *tool,
555 union perf_event *event,
556 struct perf_sample *sample,
557 struct machine *machine);
558 int perf_event__process_switch(struct perf_tool *tool,
559 union perf_event *event,
560 struct perf_sample *sample,
561 struct machine *machine);
562 int perf_event__process_mmap(struct perf_tool *tool,
563 union perf_event *event,
564 struct perf_sample *sample,
565 struct machine *machine);
566 int perf_event__process_mmap2(struct perf_tool *tool,
567 union perf_event *event,
568 struct perf_sample *sample,
569 struct machine *machine);
570 int perf_event__process_fork(struct perf_tool *tool,
571 union perf_event *event,
572 struct perf_sample *sample,
573 struct machine *machine);
574 int perf_event__process_exit(struct perf_tool *tool,
575 union perf_event *event,
576 struct perf_sample *sample,
577 struct machine *machine);
578 int perf_event__process(struct perf_tool *tool,
579 union perf_event *event,
580 struct perf_sample *sample,
581 struct machine *machine);
583 struct addr_location;
585 int perf_event__preprocess_sample(const union perf_event *event,
586 struct machine *machine,
587 struct addr_location *al,
588 struct perf_sample *sample);
590 void addr_location__put(struct addr_location *al);
594 bool is_bts_event(struct perf_event_attr *attr);
595 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
596 void perf_event__preprocess_sample_addr(union perf_event *event,
597 struct perf_sample *sample,
598 struct thread *thread,
599 struct addr_location *al);
601 const char *perf_event__name(unsigned int id);
603 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
605 int perf_event__synthesize_sample(union perf_event *event, u64 type,
607 const struct perf_sample *sample,
610 pid_t perf_event__synthesize_comm(struct perf_tool *tool,
611 union perf_event *event, pid_t pid,
612 perf_event__handler_t process,
613 struct machine *machine);
615 int perf_event__synthesize_mmap_events(struct perf_tool *tool,
616 union perf_event *event,
617 pid_t pid, pid_t tgid,
618 perf_event__handler_t process,
619 struct machine *machine,
621 unsigned int proc_map_timeout);
623 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
624 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
625 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
626 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
627 size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
628 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
629 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
630 size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
631 size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
632 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
634 u64 kallsyms__get_function_start(const char *kallsyms_filename,
635 const char *symbol_name);
637 void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max);
638 void cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map,
640 #endif /* __PERF_RECORD_H */