1
2#ifndef __PERF_RECORD_H
3#define __PERF_RECORD_H
4
5#include <limits.h>
6#include <stdio.h>
7#include <linux/kernel.h>
8#include <linux/bpf.h>
9#include <linux/perf_event.h>
10
11#include "../perf.h"
12#include "build-id.h"
13#include "perf_regs.h"
14
15struct mmap_event {
16 struct perf_event_header header;
17 u32 pid, tid;
18 u64 start;
19 u64 len;
20 u64 pgoff;
21 char filename[PATH_MAX];
22};
23
24struct mmap2_event {
25 struct perf_event_header header;
26 u32 pid, tid;
27 u64 start;
28 u64 len;
29 u64 pgoff;
30 u32 maj;
31 u32 min;
32 u64 ino;
33 u64 ino_generation;
34 u32 prot;
35 u32 flags;
36 char filename[PATH_MAX];
37};
38
39struct comm_event {
40 struct perf_event_header header;
41 u32 pid, tid;
42 char comm[16];
43};
44
45struct namespaces_event {
46 struct perf_event_header header;
47 u32 pid, tid;
48 u64 nr_namespaces;
49 struct perf_ns_link_info link_info[];
50};
51
52struct fork_event {
53 struct perf_event_header header;
54 u32 pid, ppid;
55 u32 tid, ptid;
56 u64 time;
57};
58
59struct lost_event {
60 struct perf_event_header header;
61 u64 id;
62 u64 lost;
63};
64
65struct lost_samples_event {
66 struct perf_event_header header;
67 u64 lost;
68};
69
70
71
72
73struct read_event {
74 struct perf_event_header header;
75 u32 pid, tid;
76 u64 value;
77 u64 time_enabled;
78 u64 time_running;
79 u64 id;
80};
81
82struct throttle_event {
83 struct perf_event_header header;
84 u64 time;
85 u64 id;
86 u64 stream_id;
87};
88
89#ifndef KSYM_NAME_LEN
90#define KSYM_NAME_LEN 256
91#endif
92
93struct ksymbol_event {
94 struct perf_event_header header;
95 u64 addr;
96 u32 len;
97 u16 ksym_type;
98 u16 flags;
99 char name[KSYM_NAME_LEN];
100};
101
102struct bpf_event {
103 struct perf_event_header header;
104 u16 type;
105 u16 flags;
106 u32 id;
107
108
109 u8 tag[BPF_TAG_SIZE];
110};
111
112#define PERF_SAMPLE_MASK \
113 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
114 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
115 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
116 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
117 PERF_SAMPLE_IDENTIFIER)
118
119
120#define PERF_SAMPLE_MAX_SIZE (1 << 16)
121
122struct sample_event {
123 struct perf_event_header header;
124 u64 array[];
125};
126
127struct regs_dump {
128 u64 abi;
129 u64 mask;
130 u64 *regs;
131
132
133 u64 cache_regs[PERF_REGS_MAX];
134 u64 cache_mask;
135};
136
137struct stack_dump {
138 u16 offset;
139 u64 size;
140 char *data;
141};
142
143struct sample_read_value {
144 u64 value;
145 u64 id;
146};
147
148struct sample_read {
149 u64 time_enabled;
150 u64 time_running;
151 union {
152 struct {
153 u64 nr;
154 struct sample_read_value *values;
155 } group;
156 struct sample_read_value one;
157 };
158};
159
160struct ip_callchain {
161 u64 nr;
162 u64 ips[0];
163};
164
165struct branch_stack;
166
167enum {
168 PERF_IP_FLAG_BRANCH = 1ULL << 0,
169 PERF_IP_FLAG_CALL = 1ULL << 1,
170 PERF_IP_FLAG_RETURN = 1ULL << 2,
171 PERF_IP_FLAG_CONDITIONAL = 1ULL << 3,
172 PERF_IP_FLAG_SYSCALLRET = 1ULL << 4,
173 PERF_IP_FLAG_ASYNC = 1ULL << 5,
174 PERF_IP_FLAG_INTERRUPT = 1ULL << 6,
175 PERF_IP_FLAG_TX_ABORT = 1ULL << 7,
176 PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8,
177 PERF_IP_FLAG_TRACE_END = 1ULL << 9,
178 PERF_IP_FLAG_IN_TX = 1ULL << 10,
179};
180
181#define PERF_IP_FLAG_CHARS "bcrosyiABEx"
182
183#define PERF_BRANCH_MASK (\
184 PERF_IP_FLAG_BRANCH |\
185 PERF_IP_FLAG_CALL |\
186 PERF_IP_FLAG_RETURN |\
187 PERF_IP_FLAG_CONDITIONAL |\
188 PERF_IP_FLAG_SYSCALLRET |\
189 PERF_IP_FLAG_ASYNC |\
190 PERF_IP_FLAG_INTERRUPT |\
191 PERF_IP_FLAG_TX_ABORT |\
192 PERF_IP_FLAG_TRACE_BEGIN |\
193 PERF_IP_FLAG_TRACE_END)
194
195#define MAX_INSN 16
196
197struct perf_sample {
198 u64 ip;
199 u32 pid, tid;
200 u64 time;
201 u64 addr;
202 u64 id;
203 u64 stream_id;
204 u64 period;
205 u64 weight;
206 u64 transaction;
207 u64 insn_cnt;
208 u64 cyc_cnt;
209 u32 cpu;
210 u32 raw_size;
211 u64 data_src;
212 u64 phys_addr;
213 u32 flags;
214 u16 insn_len;
215 u8 cpumode;
216 u16 misc;
217 char insn[MAX_INSN];
218 void *raw_data;
219 struct ip_callchain *callchain;
220 struct branch_stack *branch_stack;
221 struct regs_dump user_regs;
222 struct regs_dump intr_regs;
223 struct stack_dump user_stack;
224 struct sample_read read;
225};
226
227#define PERF_MEM_DATA_SRC_NONE \
228 (PERF_MEM_S(OP, NA) |\
229 PERF_MEM_S(LVL, NA) |\
230 PERF_MEM_S(SNOOP, NA) |\
231 PERF_MEM_S(LOCK, NA) |\
232 PERF_MEM_S(TLB, NA))
233
234struct build_id_event {
235 struct perf_event_header header;
236 pid_t pid;
237 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
238 char filename[];
239};
240
241enum perf_user_event_type {
242 PERF_RECORD_USER_TYPE_START = 64,
243 PERF_RECORD_HEADER_ATTR = 64,
244 PERF_RECORD_HEADER_EVENT_TYPE = 65,
245 PERF_RECORD_HEADER_TRACING_DATA = 66,
246 PERF_RECORD_HEADER_BUILD_ID = 67,
247 PERF_RECORD_FINISHED_ROUND = 68,
248 PERF_RECORD_ID_INDEX = 69,
249 PERF_RECORD_AUXTRACE_INFO = 70,
250 PERF_RECORD_AUXTRACE = 71,
251 PERF_RECORD_AUXTRACE_ERROR = 72,
252 PERF_RECORD_THREAD_MAP = 73,
253 PERF_RECORD_CPU_MAP = 74,
254 PERF_RECORD_STAT_CONFIG = 75,
255 PERF_RECORD_STAT = 76,
256 PERF_RECORD_STAT_ROUND = 77,
257 PERF_RECORD_EVENT_UPDATE = 78,
258 PERF_RECORD_TIME_CONV = 79,
259 PERF_RECORD_HEADER_FEATURE = 80,
260 PERF_RECORD_COMPRESSED = 81,
261 PERF_RECORD_HEADER_MAX
262};
263
264enum auxtrace_error_type {
265 PERF_AUXTRACE_ERROR_ITRACE = 1,
266 PERF_AUXTRACE_ERROR_MAX
267};
268
269
270#define PERF_TYPE_SYNTH (INT_MAX + 1U)
271
272
273enum perf_synth_id {
274 PERF_SYNTH_INTEL_PTWRITE,
275 PERF_SYNTH_INTEL_MWAIT,
276 PERF_SYNTH_INTEL_PWRE,
277 PERF_SYNTH_INTEL_EXSTOP,
278 PERF_SYNTH_INTEL_PWRX,
279 PERF_SYNTH_INTEL_CBR,
280};
281
282
283
284
285
286
287
288
289
290
291struct perf_synth_intel_ptwrite {
292 u32 padding;
293 union {
294 struct {
295 u32 ip : 1,
296 reserved : 31;
297 };
298 u32 flags;
299 };
300 u64 payload;
301};
302
303struct perf_synth_intel_mwait {
304 u32 padding;
305 u32 reserved;
306 union {
307 struct {
308 u64 hints : 8,
309 reserved1 : 24,
310 extensions : 2,
311 reserved2 : 30;
312 };
313 u64 payload;
314 };
315};
316
317struct perf_synth_intel_pwre {
318 u32 padding;
319 u32 reserved;
320 union {
321 struct {
322 u64 reserved1 : 7,
323 hw : 1,
324 subcstate : 4,
325 cstate : 4,
326 reserved2 : 48;
327 };
328 u64 payload;
329 };
330};
331
332struct perf_synth_intel_exstop {
333 u32 padding;
334 union {
335 struct {
336 u32 ip : 1,
337 reserved : 31;
338 };
339 u32 flags;
340 };
341};
342
343struct perf_synth_intel_pwrx {
344 u32 padding;
345 u32 reserved;
346 union {
347 struct {
348 u64 deepest_cstate : 4,
349 last_cstate : 4,
350 wake_reason : 4,
351 reserved1 : 52;
352 };
353 u64 payload;
354 };
355};
356
357struct perf_synth_intel_cbr {
358 u32 padding;
359 union {
360 struct {
361 u32 cbr : 8,
362 reserved1 : 8,
363 max_nonturbo : 8,
364 reserved2 : 8;
365 };
366 u32 flags;
367 };
368 u32 freq;
369 u32 reserved3;
370};
371
372
373
374
375
376static inline void *perf_sample__synth_ptr(struct perf_sample *sample)
377{
378 return sample->raw_data - 4;
379}
380
381static inline void *perf_synth__raw_data(void *p)
382{
383 return p + 4;
384}
385
386#define perf_synth__raw_size(d) (sizeof(d) - 4)
387
388#define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4)
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408struct events_stats {
409 u64 total_period;
410 u64 total_non_filtered_period;
411 u64 total_lost;
412 u64 total_lost_samples;
413 u64 total_aux_lost;
414 u64 total_aux_partial;
415 u64 total_invalid_chains;
416 u32 nr_events[PERF_RECORD_HEADER_MAX];
417 u32 nr_non_filtered_samples;
418 u32 nr_lost_warned;
419 u32 nr_unknown_events;
420 u32 nr_invalid_chains;
421 u32 nr_unknown_id;
422 u32 nr_unprocessable_samples;
423 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
424 u32 nr_proc_map_timeout;
425};
426
427enum {
428 PERF_CPU_MAP__CPUS = 0,
429 PERF_CPU_MAP__MASK = 1,
430};
431
432struct cpu_map_entries {
433 u16 nr;
434 u16 cpu[];
435};
436
437struct cpu_map_mask {
438 u16 nr;
439 u16 long_size;
440 unsigned long mask[];
441};
442
443struct cpu_map_data {
444 u16 type;
445 char data[];
446};
447
448struct cpu_map_event {
449 struct perf_event_header header;
450 struct cpu_map_data data;
451};
452
453struct attr_event {
454 struct perf_event_header header;
455 struct perf_event_attr attr;
456 u64 id[];
457};
458
459enum {
460 PERF_EVENT_UPDATE__UNIT = 0,
461 PERF_EVENT_UPDATE__SCALE = 1,
462 PERF_EVENT_UPDATE__NAME = 2,
463 PERF_EVENT_UPDATE__CPUS = 3,
464};
465
466struct event_update_event_cpus {
467 struct cpu_map_data cpus;
468};
469
470struct event_update_event_scale {
471 double scale;
472};
473
474struct event_update_event {
475 struct perf_event_header header;
476 u64 type;
477 u64 id;
478
479 char data[];
480};
481
482#define MAX_EVENT_NAME 64
483
484struct perf_trace_event_type {
485 u64 event_id;
486 char name[MAX_EVENT_NAME];
487};
488
489struct event_type_event {
490 struct perf_event_header header;
491 struct perf_trace_event_type event_type;
492};
493
494struct tracing_data_event {
495 struct perf_event_header header;
496 u32 size;
497};
498
499struct id_index_entry {
500 u64 id;
501 u64 idx;
502 u64 cpu;
503 u64 tid;
504};
505
506struct id_index_event {
507 struct perf_event_header header;
508 u64 nr;
509 struct id_index_entry entries[0];
510};
511
512struct auxtrace_info_event {
513 struct perf_event_header header;
514 u32 type;
515 u32 reserved__;
516 u64 priv[];
517};
518
519struct auxtrace_event {
520 struct perf_event_header header;
521 u64 size;
522 u64 offset;
523 u64 reference;
524 u32 idx;
525 u32 tid;
526 u32 cpu;
527 u32 reserved__;
528};
529
530#define MAX_AUXTRACE_ERROR_MSG 64
531
532struct auxtrace_error_event {
533 struct perf_event_header header;
534 u32 type;
535 u32 code;
536 u32 cpu;
537 u32 pid;
538 u32 tid;
539 u32 fmt;
540 u64 ip;
541 u64 time;
542 char msg[MAX_AUXTRACE_ERROR_MSG];
543};
544
545struct aux_event {
546 struct perf_event_header header;
547 u64 aux_offset;
548 u64 aux_size;
549 u64 flags;
550};
551
552struct itrace_start_event {
553 struct perf_event_header header;
554 u32 pid, tid;
555};
556
557struct context_switch_event {
558 struct perf_event_header header;
559 u32 next_prev_pid;
560 u32 next_prev_tid;
561};
562
563struct thread_map_event_entry {
564 u64 pid;
565 char comm[16];
566};
567
568struct thread_map_event {
569 struct perf_event_header header;
570 u64 nr;
571 struct thread_map_event_entry entries[];
572};
573
574enum {
575 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0,
576 PERF_STAT_CONFIG_TERM__INTERVAL = 1,
577 PERF_STAT_CONFIG_TERM__SCALE = 2,
578 PERF_STAT_CONFIG_TERM__MAX = 3,
579};
580
581struct stat_config_event_entry {
582 u64 tag;
583 u64 val;
584};
585
586struct stat_config_event {
587 struct perf_event_header header;
588 u64 nr;
589 struct stat_config_event_entry data[];
590};
591
592struct stat_event {
593 struct perf_event_header header;
594
595 u64 id;
596 u32 cpu;
597 u32 thread;
598
599 union {
600 struct {
601 u64 val;
602 u64 ena;
603 u64 run;
604 };
605 u64 values[3];
606 };
607};
608
609enum {
610 PERF_STAT_ROUND_TYPE__INTERVAL = 0,
611 PERF_STAT_ROUND_TYPE__FINAL = 1,
612};
613
614struct stat_round_event {
615 struct perf_event_header header;
616 u64 type;
617 u64 time;
618};
619
620struct time_conv_event {
621 struct perf_event_header header;
622 u64 time_shift;
623 u64 time_mult;
624 u64 time_zero;
625};
626
627struct feature_event {
628 struct perf_event_header header;
629 u64 feat_id;
630 char data[];
631};
632
633struct compressed_event {
634 struct perf_event_header header;
635 char data[];
636};
637
638union perf_event {
639 struct perf_event_header header;
640 struct mmap_event mmap;
641 struct mmap2_event mmap2;
642 struct comm_event comm;
643 struct namespaces_event namespaces;
644 struct fork_event fork;
645 struct lost_event lost;
646 struct lost_samples_event lost_samples;
647 struct read_event read;
648 struct throttle_event throttle;
649 struct sample_event sample;
650 struct attr_event attr;
651 struct event_update_event event_update;
652 struct event_type_event event_type;
653 struct tracing_data_event tracing_data;
654 struct build_id_event build_id;
655 struct id_index_event id_index;
656 struct auxtrace_info_event auxtrace_info;
657 struct auxtrace_event auxtrace;
658 struct auxtrace_error_event auxtrace_error;
659 struct aux_event aux;
660 struct itrace_start_event itrace_start;
661 struct context_switch_event context_switch;
662 struct thread_map_event thread_map;
663 struct cpu_map_event cpu_map;
664 struct stat_config_event stat_config;
665 struct stat_event stat;
666 struct stat_round_event stat_round;
667 struct time_conv_event time_conv;
668 struct feature_event feat;
669 struct ksymbol_event ksymbol_event;
670 struct bpf_event bpf_event;
671 struct compressed_event pack;
672};
673
674void perf_event__print_totals(void);
675
676struct perf_tool;
677struct thread_map;
678struct cpu_map;
679struct perf_stat_config;
680struct perf_counts_values;
681
682typedef int (*perf_event__handler_t)(struct perf_tool *tool,
683 union perf_event *event,
684 struct perf_sample *sample,
685 struct machine *machine);
686
687int perf_event__synthesize_thread_map(struct perf_tool *tool,
688 struct thread_map *threads,
689 perf_event__handler_t process,
690 struct machine *machine, bool mmap_data);
691int perf_event__synthesize_thread_map2(struct perf_tool *tool,
692 struct thread_map *threads,
693 perf_event__handler_t process,
694 struct machine *machine);
695int perf_event__synthesize_cpu_map(struct perf_tool *tool,
696 struct cpu_map *cpus,
697 perf_event__handler_t process,
698 struct machine *machine);
699int perf_event__synthesize_threads(struct perf_tool *tool,
700 perf_event__handler_t process,
701 struct machine *machine, bool mmap_data,
702 unsigned int nr_threads_synthesize);
703int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
704 perf_event__handler_t process,
705 struct machine *machine);
706int perf_event__synthesize_stat_config(struct perf_tool *tool,
707 struct perf_stat_config *config,
708 perf_event__handler_t process,
709 struct machine *machine);
710void perf_event__read_stat_config(struct perf_stat_config *config,
711 struct stat_config_event *event);
712int perf_event__synthesize_stat(struct perf_tool *tool,
713 u32 cpu, u32 thread, u64 id,
714 struct perf_counts_values *count,
715 perf_event__handler_t process,
716 struct machine *machine);
717int perf_event__synthesize_stat_round(struct perf_tool *tool,
718 u64 time, u64 type,
719 perf_event__handler_t process,
720 struct machine *machine);
721int perf_event__synthesize_modules(struct perf_tool *tool,
722 perf_event__handler_t process,
723 struct machine *machine);
724
725int perf_event__process_comm(struct perf_tool *tool,
726 union perf_event *event,
727 struct perf_sample *sample,
728 struct machine *machine);
729int perf_event__process_lost(struct perf_tool *tool,
730 union perf_event *event,
731 struct perf_sample *sample,
732 struct machine *machine);
733int perf_event__process_lost_samples(struct perf_tool *tool,
734 union perf_event *event,
735 struct perf_sample *sample,
736 struct machine *machine);
737int perf_event__process_aux(struct perf_tool *tool,
738 union perf_event *event,
739 struct perf_sample *sample,
740 struct machine *machine);
741int perf_event__process_itrace_start(struct perf_tool *tool,
742 union perf_event *event,
743 struct perf_sample *sample,
744 struct machine *machine);
745int perf_event__process_switch(struct perf_tool *tool,
746 union perf_event *event,
747 struct perf_sample *sample,
748 struct machine *machine);
749int perf_event__process_namespaces(struct perf_tool *tool,
750 union perf_event *event,
751 struct perf_sample *sample,
752 struct machine *machine);
753int perf_event__process_mmap(struct perf_tool *tool,
754 union perf_event *event,
755 struct perf_sample *sample,
756 struct machine *machine);
757int perf_event__process_mmap2(struct perf_tool *tool,
758 union perf_event *event,
759 struct perf_sample *sample,
760 struct machine *machine);
761int perf_event__process_fork(struct perf_tool *tool,
762 union perf_event *event,
763 struct perf_sample *sample,
764 struct machine *machine);
765int perf_event__process_exit(struct perf_tool *tool,
766 union perf_event *event,
767 struct perf_sample *sample,
768 struct machine *machine);
769int perf_event__process_ksymbol(struct perf_tool *tool,
770 union perf_event *event,
771 struct perf_sample *sample,
772 struct machine *machine);
773int perf_event__process_bpf_event(struct perf_tool *tool,
774 union perf_event *event,
775 struct perf_sample *sample,
776 struct machine *machine);
777int perf_tool__process_synth_event(struct perf_tool *tool,
778 union perf_event *event,
779 struct machine *machine,
780 perf_event__handler_t process);
781int perf_event__process(struct perf_tool *tool,
782 union perf_event *event,
783 struct perf_sample *sample,
784 struct machine *machine);
785
786struct addr_location;
787
788int machine__resolve(struct machine *machine, struct addr_location *al,
789 struct perf_sample *sample);
790
791void addr_location__put(struct addr_location *al);
792
793struct thread;
794
795bool is_bts_event(struct perf_event_attr *attr);
796bool sample_addr_correlates_sym(struct perf_event_attr *attr);
797void thread__resolve(struct thread *thread, struct addr_location *al,
798 struct perf_sample *sample);
799
800const char *perf_event__name(unsigned int id);
801
802size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
803 u64 read_format);
804int perf_event__synthesize_sample(union perf_event *event, u64 type,
805 u64 read_format,
806 const struct perf_sample *sample);
807
808pid_t perf_event__synthesize_comm(struct perf_tool *tool,
809 union perf_event *event, pid_t pid,
810 perf_event__handler_t process,
811 struct machine *machine);
812
813int perf_event__synthesize_namespaces(struct perf_tool *tool,
814 union perf_event *event,
815 pid_t pid, pid_t tgid,
816 perf_event__handler_t process,
817 struct machine *machine);
818
819int perf_event__synthesize_mmap_events(struct perf_tool *tool,
820 union perf_event *event,
821 pid_t pid, pid_t tgid,
822 perf_event__handler_t process,
823 struct machine *machine,
824 bool mmap_data);
825
826int perf_event__synthesize_extra_kmaps(struct perf_tool *tool,
827 perf_event__handler_t process,
828 struct machine *machine);
829
830size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
831size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
832size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
833size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
834size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
835size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
836size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
837size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
838size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
839size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp);
840size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp);
841size_t perf_event__fprintf_bpf_event(union perf_event *event, FILE *fp);
842size_t perf_event__fprintf(union perf_event *event, FILE *fp);
843
844int kallsyms__get_function_start(const char *kallsyms_filename,
845 const char *symbol_name, u64 *addr);
846
847void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max);
848void cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map,
849 u16 type, int max);
850
851void event_attr_init(struct perf_event_attr *attr);
852
853int perf_event_paranoid(void);
854
855extern int sysctl_perf_event_max_stack;
856extern int sysctl_perf_event_max_contexts_per_stack;
857extern unsigned int proc_map_timeout;
858
859#endif
860