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, /* depreceated */
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 u64 kallsyms__get_function_start(const char *kallsyms_filename,
679 const char *symbol_name);
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,
684 #endif /* __PERF_RECORD_H */