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
{
149 struct branch_entry
{
152 struct branch_flags flags
;
155 struct branch_stack
{
157 struct branch_entry entries
[0];
161 PERF_IP_FLAG_BRANCH
= 1ULL << 0,
162 PERF_IP_FLAG_CALL
= 1ULL << 1,
163 PERF_IP_FLAG_RETURN
= 1ULL << 2,
164 PERF_IP_FLAG_CONDITIONAL
= 1ULL << 3,
165 PERF_IP_FLAG_SYSCALLRET
= 1ULL << 4,
166 PERF_IP_FLAG_ASYNC
= 1ULL << 5,
167 PERF_IP_FLAG_INTERRUPT
= 1ULL << 6,
168 PERF_IP_FLAG_TX_ABORT
= 1ULL << 7,
169 PERF_IP_FLAG_TRACE_BEGIN
= 1ULL << 8,
170 PERF_IP_FLAG_TRACE_END
= 1ULL << 9,
171 PERF_IP_FLAG_IN_TX
= 1ULL << 10,
174 #define PERF_IP_FLAG_CHARS "bcrosyiABEx"
176 #define PERF_BRANCH_MASK (\
177 PERF_IP_FLAG_BRANCH |\
179 PERF_IP_FLAG_RETURN |\
180 PERF_IP_FLAG_CONDITIONAL |\
181 PERF_IP_FLAG_SYSCALLRET |\
182 PERF_IP_FLAG_ASYNC |\
183 PERF_IP_FLAG_INTERRUPT |\
184 PERF_IP_FLAG_TX_ABORT |\
185 PERF_IP_FLAG_TRACE_BEGIN |\
186 PERF_IP_FLAG_TRACE_END)
208 struct ip_callchain
*callchain
;
209 struct branch_stack
*branch_stack
;
210 struct regs_dump user_regs
;
211 struct regs_dump intr_regs
;
212 struct stack_dump user_stack
;
213 struct sample_read read
;
216 #define PERF_MEM_DATA_SRC_NONE \
217 (PERF_MEM_S(OP, NA) |\
218 PERF_MEM_S(LVL, NA) |\
219 PERF_MEM_S(SNOOP, NA) |\
220 PERF_MEM_S(LOCK, NA) |\
223 struct build_id_event
{
224 struct perf_event_header header
;
226 u8 build_id
[PERF_ALIGN(BUILD_ID_SIZE
, sizeof(u64
))];
230 enum perf_user_event_type
{ /* above any possible kernel type */
231 PERF_RECORD_USER_TYPE_START
= 64,
232 PERF_RECORD_HEADER_ATTR
= 64,
233 PERF_RECORD_HEADER_EVENT_TYPE
= 65, /* deprecated */
234 PERF_RECORD_HEADER_TRACING_DATA
= 66,
235 PERF_RECORD_HEADER_BUILD_ID
= 67,
236 PERF_RECORD_FINISHED_ROUND
= 68,
237 PERF_RECORD_ID_INDEX
= 69,
238 PERF_RECORD_AUXTRACE_INFO
= 70,
239 PERF_RECORD_AUXTRACE
= 71,
240 PERF_RECORD_AUXTRACE_ERROR
= 72,
241 PERF_RECORD_THREAD_MAP
= 73,
242 PERF_RECORD_CPU_MAP
= 74,
243 PERF_RECORD_STAT_CONFIG
= 75,
244 PERF_RECORD_STAT
= 76,
245 PERF_RECORD_STAT_ROUND
= 77,
246 PERF_RECORD_EVENT_UPDATE
= 78,
247 PERF_RECORD_TIME_CONV
= 79,
248 PERF_RECORD_HEADER_FEATURE
= 80,
249 PERF_RECORD_HEADER_MAX
252 enum auxtrace_error_type
{
253 PERF_AUXTRACE_ERROR_ITRACE
= 1,
254 PERF_AUXTRACE_ERROR_MAX
257 /* Attribute type for custom synthesized events */
258 #define PERF_TYPE_SYNTH (INT_MAX + 1U)
260 /* Attribute config for custom synthesized events */
262 PERF_SYNTH_INTEL_PTWRITE
,
263 PERF_SYNTH_INTEL_MWAIT
,
264 PERF_SYNTH_INTEL_PWRE
,
265 PERF_SYNTH_INTEL_EXSTOP
,
266 PERF_SYNTH_INTEL_PWRX
,
267 PERF_SYNTH_INTEL_CBR
,
271 * Raw data formats for synthesized events. Note that 4 bytes of padding are
272 * present to match the 'size' member of PERF_SAMPLE_RAW data which is always
273 * 8-byte aligned. That means we must dereference raw_data with an offset of 4.
274 * Refer perf_sample__synth_ptr() and perf_synth__raw_data(). It also means the
275 * structure sizes are 4 bytes bigger than the raw_size, refer
276 * perf_synth__raw_size().
279 struct perf_synth_intel_ptwrite
{
291 struct perf_synth_intel_mwait
{
305 struct perf_synth_intel_pwre
{
320 struct perf_synth_intel_exstop
{
331 struct perf_synth_intel_pwrx
{
336 u64 deepest_cstate
: 4,
345 struct perf_synth_intel_cbr
{
361 * raw_data is always 4 bytes from an 8-byte boundary, so subtract 4 to get
364 static inline void *perf_sample__synth_ptr(struct perf_sample
*sample
)
366 return sample
->raw_data
- 4;
369 static inline void *perf_synth__raw_data(void *p
)
374 #define perf_synth__raw_size(d) (sizeof(d) - 4)
376 #define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4)
379 * The kernel collects the number of events it couldn't send in a stretch and
380 * when possible sends this number in a PERF_RECORD_LOST event. The number of
381 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
382 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
383 * the sum of all struct lost_event.lost fields reported.
385 * The kernel discards mixed up samples and sends the number in a
386 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
387 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
388 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
389 * all struct lost_samples_event.lost fields reported.
391 * The total_period is needed because by default auto-freq is used, so
392 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
393 * the total number of low level events, it is necessary to to sum all struct
394 * sample_event.period and stash the result in total_period.
396 struct events_stats
{
398 u64 total_non_filtered_period
;
400 u64 total_lost_samples
;
402 u64 total_aux_partial
;
403 u64 total_invalid_chains
;
404 u32 nr_events
[PERF_RECORD_HEADER_MAX
];
405 u32 nr_non_filtered_samples
;
407 u32 nr_unknown_events
;
408 u32 nr_invalid_chains
;
410 u32 nr_unprocessable_samples
;
411 u32 nr_auxtrace_errors
[PERF_AUXTRACE_ERROR_MAX
];
412 u32 nr_proc_map_timeout
;
416 PERF_CPU_MAP__CPUS
= 0,
417 PERF_CPU_MAP__MASK
= 1,
420 struct cpu_map_entries
{
425 struct cpu_map_mask
{
428 unsigned long mask
[];
431 struct cpu_map_data
{
436 struct cpu_map_event
{
437 struct perf_event_header header
;
438 struct cpu_map_data data
;
442 struct perf_event_header header
;
443 struct perf_event_attr attr
;
448 PERF_EVENT_UPDATE__UNIT
= 0,
449 PERF_EVENT_UPDATE__SCALE
= 1,
450 PERF_EVENT_UPDATE__NAME
= 2,
451 PERF_EVENT_UPDATE__CPUS
= 3,
454 struct event_update_event_cpus
{
455 struct cpu_map_data cpus
;
458 struct event_update_event_scale
{
462 struct event_update_event
{
463 struct perf_event_header header
;
470 #define MAX_EVENT_NAME 64
472 struct perf_trace_event_type
{
474 char name
[MAX_EVENT_NAME
];
477 struct event_type_event
{
478 struct perf_event_header header
;
479 struct perf_trace_event_type event_type
;
482 struct tracing_data_event
{
483 struct perf_event_header header
;
487 struct id_index_entry
{
494 struct id_index_event
{
495 struct perf_event_header header
;
497 struct id_index_entry entries
[0];
500 struct auxtrace_info_event
{
501 struct perf_event_header header
;
503 u32 reserved__
; /* For alignment */
507 struct auxtrace_event
{
508 struct perf_event_header header
;
515 u32 reserved__
; /* For alignment */
518 #define MAX_AUXTRACE_ERROR_MSG 64
520 struct auxtrace_error_event
{
521 struct perf_event_header header
;
527 u32 reserved__
; /* For alignment */
529 char msg
[MAX_AUXTRACE_ERROR_MSG
];
533 struct perf_event_header header
;
539 struct itrace_start_event
{
540 struct perf_event_header header
;
544 struct context_switch_event
{
545 struct perf_event_header header
;
550 struct thread_map_event_entry
{
555 struct thread_map_event
{
556 struct perf_event_header header
;
558 struct thread_map_event_entry entries
[];
562 PERF_STAT_CONFIG_TERM__AGGR_MODE
= 0,
563 PERF_STAT_CONFIG_TERM__INTERVAL
= 1,
564 PERF_STAT_CONFIG_TERM__SCALE
= 2,
565 PERF_STAT_CONFIG_TERM__MAX
= 3,
568 struct stat_config_event_entry
{
573 struct stat_config_event
{
574 struct perf_event_header header
;
576 struct stat_config_event_entry data
[];
580 struct perf_event_header header
;
597 PERF_STAT_ROUND_TYPE__INTERVAL
= 0,
598 PERF_STAT_ROUND_TYPE__FINAL
= 1,
601 struct stat_round_event
{
602 struct perf_event_header header
;
607 struct time_conv_event
{
608 struct perf_event_header header
;
614 struct feature_event
{
615 struct perf_event_header header
;
621 struct perf_event_header header
;
622 struct mmap_event mmap
;
623 struct mmap2_event mmap2
;
624 struct comm_event comm
;
625 struct namespaces_event namespaces
;
626 struct fork_event fork
;
627 struct lost_event lost
;
628 struct lost_samples_event lost_samples
;
629 struct read_event read
;
630 struct throttle_event throttle
;
631 struct sample_event sample
;
632 struct attr_event attr
;
633 struct event_update_event event_update
;
634 struct event_type_event event_type
;
635 struct tracing_data_event tracing_data
;
636 struct build_id_event build_id
;
637 struct id_index_event id_index
;
638 struct auxtrace_info_event auxtrace_info
;
639 struct auxtrace_event auxtrace
;
640 struct auxtrace_error_event auxtrace_error
;
641 struct aux_event aux
;
642 struct itrace_start_event itrace_start
;
643 struct context_switch_event context_switch
;
644 struct thread_map_event thread_map
;
645 struct cpu_map_event cpu_map
;
646 struct stat_config_event stat_config
;
647 struct stat_event stat
;
648 struct stat_round_event stat_round
;
649 struct time_conv_event time_conv
;
650 struct feature_event feat
;
653 void perf_event__print_totals(void);
658 struct perf_stat_config
;
659 struct perf_counts_values
;
661 typedef int (*perf_event__handler_t
)(struct perf_tool
*tool
,
662 union perf_event
*event
,
663 struct perf_sample
*sample
,
664 struct machine
*machine
);
666 int perf_event__synthesize_thread_map(struct perf_tool
*tool
,
667 struct thread_map
*threads
,
668 perf_event__handler_t process
,
669 struct machine
*machine
, bool mmap_data
,
670 unsigned int proc_map_timeout
);
671 int perf_event__synthesize_thread_map2(struct perf_tool
*tool
,
672 struct thread_map
*threads
,
673 perf_event__handler_t process
,
674 struct machine
*machine
);
675 int perf_event__synthesize_cpu_map(struct perf_tool
*tool
,
676 struct cpu_map
*cpus
,
677 perf_event__handler_t process
,
678 struct machine
*machine
);
679 int perf_event__synthesize_threads(struct perf_tool
*tool
,
680 perf_event__handler_t process
,
681 struct machine
*machine
, bool mmap_data
,
682 unsigned int proc_map_timeout
);
683 int perf_event__synthesize_kernel_mmap(struct perf_tool
*tool
,
684 perf_event__handler_t process
,
685 struct machine
*machine
);
686 int perf_event__synthesize_stat_config(struct perf_tool
*tool
,
687 struct perf_stat_config
*config
,
688 perf_event__handler_t process
,
689 struct machine
*machine
);
690 void perf_event__read_stat_config(struct perf_stat_config
*config
,
691 struct stat_config_event
*event
);
692 int perf_event__synthesize_stat(struct perf_tool
*tool
,
693 u32 cpu
, u32 thread
, u64 id
,
694 struct perf_counts_values
*count
,
695 perf_event__handler_t process
,
696 struct machine
*machine
);
697 int perf_event__synthesize_stat_round(struct perf_tool
*tool
,
699 perf_event__handler_t process
,
700 struct machine
*machine
);
701 int perf_event__synthesize_modules(struct perf_tool
*tool
,
702 perf_event__handler_t process
,
703 struct machine
*machine
);
705 int perf_event__process_comm(struct perf_tool
*tool
,
706 union perf_event
*event
,
707 struct perf_sample
*sample
,
708 struct machine
*machine
);
709 int perf_event__process_lost(struct perf_tool
*tool
,
710 union perf_event
*event
,
711 struct perf_sample
*sample
,
712 struct machine
*machine
);
713 int perf_event__process_lost_samples(struct perf_tool
*tool
,
714 union perf_event
*event
,
715 struct perf_sample
*sample
,
716 struct machine
*machine
);
717 int perf_event__process_aux(struct perf_tool
*tool
,
718 union perf_event
*event
,
719 struct perf_sample
*sample
,
720 struct machine
*machine
);
721 int perf_event__process_itrace_start(struct perf_tool
*tool
,
722 union perf_event
*event
,
723 struct perf_sample
*sample
,
724 struct machine
*machine
);
725 int perf_event__process_switch(struct perf_tool
*tool
,
726 union perf_event
*event
,
727 struct perf_sample
*sample
,
728 struct machine
*machine
);
729 int perf_event__process_namespaces(struct perf_tool
*tool
,
730 union perf_event
*event
,
731 struct perf_sample
*sample
,
732 struct machine
*machine
);
733 int perf_event__process_mmap(struct perf_tool
*tool
,
734 union perf_event
*event
,
735 struct perf_sample
*sample
,
736 struct machine
*machine
);
737 int perf_event__process_mmap2(struct perf_tool
*tool
,
738 union perf_event
*event
,
739 struct perf_sample
*sample
,
740 struct machine
*machine
);
741 int perf_event__process_fork(struct perf_tool
*tool
,
742 union perf_event
*event
,
743 struct perf_sample
*sample
,
744 struct machine
*machine
);
745 int perf_event__process_exit(struct perf_tool
*tool
,
746 union perf_event
*event
,
747 struct perf_sample
*sample
,
748 struct machine
*machine
);
749 int perf_event__process(struct perf_tool
*tool
,
750 union perf_event
*event
,
751 struct perf_sample
*sample
,
752 struct machine
*machine
);
754 struct addr_location
;
756 int machine__resolve(struct machine
*machine
, struct addr_location
*al
,
757 struct perf_sample
*sample
);
759 void addr_location__put(struct addr_location
*al
);
763 bool is_bts_event(struct perf_event_attr
*attr
);
764 bool sample_addr_correlates_sym(struct perf_event_attr
*attr
);
765 void thread__resolve(struct thread
*thread
, struct addr_location
*al
,
766 struct perf_sample
*sample
);
768 const char *perf_event__name(unsigned int id
);
770 size_t perf_event__sample_event_size(const struct perf_sample
*sample
, u64 type
,
772 int perf_event__synthesize_sample(union perf_event
*event
, u64 type
,
774 const struct perf_sample
*sample
,
777 pid_t
perf_event__synthesize_comm(struct perf_tool
*tool
,
778 union perf_event
*event
, pid_t pid
,
779 perf_event__handler_t process
,
780 struct machine
*machine
);
782 int perf_event__synthesize_namespaces(struct perf_tool
*tool
,
783 union perf_event
*event
,
784 pid_t pid
, pid_t tgid
,
785 perf_event__handler_t process
,
786 struct machine
*machine
);
788 int perf_event__synthesize_mmap_events(struct perf_tool
*tool
,
789 union perf_event
*event
,
790 pid_t pid
, pid_t tgid
,
791 perf_event__handler_t process
,
792 struct machine
*machine
,
794 unsigned int proc_map_timeout
);
796 size_t perf_event__fprintf_comm(union perf_event
*event
, FILE *fp
);
797 size_t perf_event__fprintf_mmap(union perf_event
*event
, FILE *fp
);
798 size_t perf_event__fprintf_mmap2(union perf_event
*event
, FILE *fp
);
799 size_t perf_event__fprintf_task(union perf_event
*event
, FILE *fp
);
800 size_t perf_event__fprintf_aux(union perf_event
*event
, FILE *fp
);
801 size_t perf_event__fprintf_itrace_start(union perf_event
*event
, FILE *fp
);
802 size_t perf_event__fprintf_switch(union perf_event
*event
, FILE *fp
);
803 size_t perf_event__fprintf_thread_map(union perf_event
*event
, FILE *fp
);
804 size_t perf_event__fprintf_cpu_map(union perf_event
*event
, FILE *fp
);
805 size_t perf_event__fprintf_namespaces(union perf_event
*event
, FILE *fp
);
806 size_t perf_event__fprintf(union perf_event
*event
, FILE *fp
);
808 int kallsyms__get_function_start(const char *kallsyms_filename
,
809 const char *symbol_name
, u64
*addr
);
811 void *cpu_map_data__alloc(struct cpu_map
*map
, size_t *size
, u16
*type
, int *max
);
812 void cpu_map_data__synthesize(struct cpu_map_data
*data
, struct cpu_map
*map
,
815 void event_attr_init(struct perf_event_attr
*attr
);
817 int perf_event_paranoid(void);
819 extern int sysctl_perf_event_max_stack
;
820 extern int sysctl_perf_event_max_contexts_per_stack
;
822 #endif /* __PERF_RECORD_H */