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1#ifndef __PERF_RECORD_H
2#define __PERF_RECORD_H
3
4#include <limits.h>
5#include <stdio.h>
6
7#include "../perf.h"
8#include "map.h"
9#include "build-id.h"
10#include "perf_regs.h"
11
12struct mmap_event {
13 struct perf_event_header header;
14 u32 pid, tid;
15 u64 start;
16 u64 len;
17 u64 pgoff;
18 char filename[PATH_MAX];
19};
20
21struct mmap2_event {
22 struct perf_event_header header;
23 u32 pid, tid;
24 u64 start;
25 u64 len;
26 u64 pgoff;
27 u32 maj;
28 u32 min;
29 u64 ino;
30 u64 ino_generation;
31 u32 prot;
32 u32 flags;
33 char filename[PATH_MAX];
34};
35
36struct comm_event {
37 struct perf_event_header header;
38 u32 pid, tid;
39 char comm[16];
40};
41
42struct fork_event {
43 struct perf_event_header header;
44 u32 pid, ppid;
45 u32 tid, ptid;
46 u64 time;
47};
48
49struct lost_event {
50 struct perf_event_header header;
51 u64 id;
52 u64 lost;
53};
54
55struct lost_samples_event {
56 struct perf_event_header header;
57 u64 lost;
58};
59
60/*
61 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
62 */
63struct read_event {
64 struct perf_event_header header;
65 u32 pid, tid;
66 u64 value;
67 u64 time_enabled;
68 u64 time_running;
69 u64 id;
70};
71
72struct throttle_event {
73 struct perf_event_header header;
74 u64 time;
75 u64 id;
76 u64 stream_id;
77};
78
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)
85
86/* perf sample has 16 bits size limit */
87#define PERF_SAMPLE_MAX_SIZE (1 << 16)
88
89struct sample_event {
90 struct perf_event_header header;
91 u64 array[];
92};
93
94struct regs_dump {
95 u64 abi;
96 u64 mask;
97 u64 *regs;
98
99 /* Cached values/mask filled by first register access. */
100 u64 cache_regs[PERF_REGS_MAX];
101 u64 cache_mask;
102};
103
104struct stack_dump {
105 u16 offset;
106 u64 size;
107 char *data;
108};
109
110struct sample_read_value {
111 u64 value;
112 u64 id;
113};
114
115struct sample_read {
116 u64 time_enabled;
117 u64 time_running;
118 union {
119 struct {
120 u64 nr;
121 struct sample_read_value *values;
122 } group;
123 struct sample_read_value one;
124 };
125};
126
127struct ip_callchain {
128 u64 nr;
129 u64 ips[0];
130};
131
132struct branch_flags {
133 u64 mispred:1;
134 u64 predicted:1;
135 u64 in_tx:1;
136 u64 abort:1;
137 u64 cycles:16;
138 u64 reserved:44;
139};
140
141struct branch_entry {
142 u64 from;
143 u64 to;
144 struct branch_flags flags;
145};
146
147struct branch_stack {
148 u64 nr;
149 struct branch_entry entries[0];
150};
151
152enum {
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,
164};
165
166#define PERF_IP_FLAG_CHARS "bcrosyiABEx"
167
168#define PERF_BRANCH_MASK (\
169 PERF_IP_FLAG_BRANCH |\
170 PERF_IP_FLAG_CALL |\
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)
179
180struct perf_sample {
181 u64 ip;
182 u32 pid, tid;
183 u64 time;
184 u64 addr;
185 u64 id;
186 u64 stream_id;
187 u64 period;
188 u64 weight;
189 u64 transaction;
190 u32 cpu;
191 u32 raw_size;
192 u64 data_src;
193 u32 flags;
194 u16 insn_len;
195 u8 cpumode;
196 void *raw_data;
197 struct ip_callchain *callchain;
198 struct branch_stack *branch_stack;
199 struct regs_dump user_regs;
200 struct regs_dump intr_regs;
201 struct stack_dump user_stack;
202 struct sample_read read;
203};
204
205#define PERF_MEM_DATA_SRC_NONE \
206 (PERF_MEM_S(OP, NA) |\
207 PERF_MEM_S(LVL, NA) |\
208 PERF_MEM_S(SNOOP, NA) |\
209 PERF_MEM_S(LOCK, NA) |\
210 PERF_MEM_S(TLB, NA))
211
212struct build_id_event {
213 struct perf_event_header header;
214 pid_t pid;
215 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
216 char filename[];
217};
218
219enum perf_user_event_type { /* above any possible kernel type */
220 PERF_RECORD_USER_TYPE_START = 64,
221 PERF_RECORD_HEADER_ATTR = 64,
222 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
223 PERF_RECORD_HEADER_TRACING_DATA = 66,
224 PERF_RECORD_HEADER_BUILD_ID = 67,
225 PERF_RECORD_FINISHED_ROUND = 68,
226 PERF_RECORD_ID_INDEX = 69,
227 PERF_RECORD_AUXTRACE_INFO = 70,
228 PERF_RECORD_AUXTRACE = 71,
229 PERF_RECORD_AUXTRACE_ERROR = 72,
230 PERF_RECORD_THREAD_MAP = 73,
231 PERF_RECORD_CPU_MAP = 74,
232 PERF_RECORD_STAT_CONFIG = 75,
233 PERF_RECORD_STAT = 76,
234 PERF_RECORD_STAT_ROUND = 77,
235 PERF_RECORD_EVENT_UPDATE = 78,
236 PERF_RECORD_HEADER_MAX
237};
238
239enum auxtrace_error_type {
240 PERF_AUXTRACE_ERROR_ITRACE = 1,
241 PERF_AUXTRACE_ERROR_MAX
242};
243
244/*
245 * The kernel collects the number of events it couldn't send in a stretch and
246 * when possible sends this number in a PERF_RECORD_LOST event. The number of
247 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
248 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
249 * the sum of all struct lost_event.lost fields reported.
250 *
251 * The kernel discards mixed up samples and sends the number in a
252 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
253 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
254 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
255 * all struct lost_samples_event.lost fields reported.
256 *
257 * The total_period is needed because by default auto-freq is used, so
258 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
259 * the total number of low level events, it is necessary to to sum all struct
260 * sample_event.period and stash the result in total_period.
261 */
262struct events_stats {
263 u64 total_period;
264 u64 total_non_filtered_period;
265 u64 total_lost;
266 u64 total_lost_samples;
267 u64 total_aux_lost;
268 u64 total_invalid_chains;
269 u32 nr_events[PERF_RECORD_HEADER_MAX];
270 u32 nr_non_filtered_samples;
271 u32 nr_lost_warned;
272 u32 nr_unknown_events;
273 u32 nr_invalid_chains;
274 u32 nr_unknown_id;
275 u32 nr_unprocessable_samples;
276 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
277 u32 nr_proc_map_timeout;
278};
279
280enum {
281 PERF_CPU_MAP__CPUS = 0,
282 PERF_CPU_MAP__MASK = 1,
283};
284
285struct cpu_map_entries {
286 u16 nr;
287 u16 cpu[];
288};
289
290struct cpu_map_mask {
291 u16 nr;
292 u16 long_size;
293 unsigned long mask[];
294};
295
296struct cpu_map_data {
297 u16 type;
298 char data[];
299};
300
301struct cpu_map_event {
302 struct perf_event_header header;
303 struct cpu_map_data data;
304};
305
306struct attr_event {
307 struct perf_event_header header;
308 struct perf_event_attr attr;
309 u64 id[];
310};
311
312enum {
313 PERF_EVENT_UPDATE__UNIT = 0,
314 PERF_EVENT_UPDATE__SCALE = 1,
315 PERF_EVENT_UPDATE__NAME = 2,
316 PERF_EVENT_UPDATE__CPUS = 3,
317};
318
319struct event_update_event_cpus {
320 struct cpu_map_data cpus;
321};
322
323struct event_update_event_scale {
324 double scale;
325};
326
327struct event_update_event {
328 struct perf_event_header header;
329 u64 type;
330 u64 id;
331
332 char data[];
333};
334
335#define MAX_EVENT_NAME 64
336
337struct perf_trace_event_type {
338 u64 event_id;
339 char name[MAX_EVENT_NAME];
340};
341
342struct event_type_event {
343 struct perf_event_header header;
344 struct perf_trace_event_type event_type;
345};
346
347struct tracing_data_event {
348 struct perf_event_header header;
349 u32 size;
350};
351
352struct id_index_entry {
353 u64 id;
354 u64 idx;
355 u64 cpu;
356 u64 tid;
357};
358
359struct id_index_event {
360 struct perf_event_header header;
361 u64 nr;
362 struct id_index_entry entries[0];
363};
364
365struct auxtrace_info_event {
366 struct perf_event_header header;
367 u32 type;
368 u32 reserved__; /* For alignment */
369 u64 priv[];
370};
371
372struct auxtrace_event {
373 struct perf_event_header header;
374 u64 size;
375 u64 offset;
376 u64 reference;
377 u32 idx;
378 u32 tid;
379 u32 cpu;
380 u32 reserved__; /* For alignment */
381};
382
383#define MAX_AUXTRACE_ERROR_MSG 64
384
385struct auxtrace_error_event {
386 struct perf_event_header header;
387 u32 type;
388 u32 code;
389 u32 cpu;
390 u32 pid;
391 u32 tid;
392 u32 reserved__; /* For alignment */
393 u64 ip;
394 char msg[MAX_AUXTRACE_ERROR_MSG];
395};
396
397struct aux_event {
398 struct perf_event_header header;
399 u64 aux_offset;
400 u64 aux_size;
401 u64 flags;
402};
403
404struct itrace_start_event {
405 struct perf_event_header header;
406 u32 pid, tid;
407};
408
409struct context_switch_event {
410 struct perf_event_header header;
411 u32 next_prev_pid;
412 u32 next_prev_tid;
413};
414
415struct thread_map_event_entry {
416 u64 pid;
417 char comm[16];
418};
419
420struct thread_map_event {
421 struct perf_event_header header;
422 u64 nr;
423 struct thread_map_event_entry entries[];
424};
425
426enum {
427 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0,
428 PERF_STAT_CONFIG_TERM__INTERVAL = 1,
429 PERF_STAT_CONFIG_TERM__SCALE = 2,
430 PERF_STAT_CONFIG_TERM__MAX = 3,
431};
432
433struct stat_config_event_entry {
434 u64 tag;
435 u64 val;
436};
437
438struct stat_config_event {
439 struct perf_event_header header;
440 u64 nr;
441 struct stat_config_event_entry data[];
442};
443
444struct stat_event {
445 struct perf_event_header header;
446
447 u64 id;
448 u32 cpu;
449 u32 thread;
450
451 union {
452 struct {
453 u64 val;
454 u64 ena;
455 u64 run;
456 };
457 u64 values[3];
458 };
459};
460
461enum {
462 PERF_STAT_ROUND_TYPE__INTERVAL = 0,
463 PERF_STAT_ROUND_TYPE__FINAL = 1,
464};
465
466struct stat_round_event {
467 struct perf_event_header header;
468 u64 type;
469 u64 time;
470};
471
472union perf_event {
473 struct perf_event_header header;
474 struct mmap_event mmap;
475 struct mmap2_event mmap2;
476 struct comm_event comm;
477 struct fork_event fork;
478 struct lost_event lost;
479 struct lost_samples_event lost_samples;
480 struct read_event read;
481 struct throttle_event throttle;
482 struct sample_event sample;
483 struct attr_event attr;
484 struct event_update_event event_update;
485 struct event_type_event event_type;
486 struct tracing_data_event tracing_data;
487 struct build_id_event build_id;
488 struct id_index_event id_index;
489 struct auxtrace_info_event auxtrace_info;
490 struct auxtrace_event auxtrace;
491 struct auxtrace_error_event auxtrace_error;
492 struct aux_event aux;
493 struct itrace_start_event itrace_start;
494 struct context_switch_event context_switch;
495 struct thread_map_event thread_map;
496 struct cpu_map_event cpu_map;
497 struct stat_config_event stat_config;
498 struct stat_event stat;
499 struct stat_round_event stat_round;
500};
501
502void perf_event__print_totals(void);
503
504struct perf_tool;
505struct thread_map;
506struct cpu_map;
507struct perf_stat_config;
508struct perf_counts_values;
509
510typedef int (*perf_event__handler_t)(struct perf_tool *tool,
511 union perf_event *event,
512 struct perf_sample *sample,
513 struct machine *machine);
514
515int perf_event__synthesize_thread_map(struct perf_tool *tool,
516 struct thread_map *threads,
517 perf_event__handler_t process,
518 struct machine *machine, bool mmap_data,
519 unsigned int proc_map_timeout);
520int perf_event__synthesize_thread_map2(struct perf_tool *tool,
521 struct thread_map *threads,
522 perf_event__handler_t process,
523 struct machine *machine);
524int perf_event__synthesize_cpu_map(struct perf_tool *tool,
525 struct cpu_map *cpus,
526 perf_event__handler_t process,
527 struct machine *machine);
528int perf_event__synthesize_threads(struct perf_tool *tool,
529 perf_event__handler_t process,
530 struct machine *machine, bool mmap_data,
531 unsigned int proc_map_timeout);
532int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
533 perf_event__handler_t process,
534 struct machine *machine);
535int perf_event__synthesize_stat_config(struct perf_tool *tool,
536 struct perf_stat_config *config,
537 perf_event__handler_t process,
538 struct machine *machine);
539void perf_event__read_stat_config(struct perf_stat_config *config,
540 struct stat_config_event *event);
541int perf_event__synthesize_stat(struct perf_tool *tool,
542 u32 cpu, u32 thread, u64 id,
543 struct perf_counts_values *count,
544 perf_event__handler_t process,
545 struct machine *machine);
546int perf_event__synthesize_stat_round(struct perf_tool *tool,
547 u64 time, u64 type,
548 perf_event__handler_t process,
549 struct machine *machine);
550int perf_event__synthesize_modules(struct perf_tool *tool,
551 perf_event__handler_t process,
552 struct machine *machine);
553
554int perf_event__process_comm(struct perf_tool *tool,
555 union perf_event *event,
556 struct perf_sample *sample,
557 struct machine *machine);
558int perf_event__process_lost(struct perf_tool *tool,
559 union perf_event *event,
560 struct perf_sample *sample,
561 struct machine *machine);
562int perf_event__process_lost_samples(struct perf_tool *tool,
563 union perf_event *event,
564 struct perf_sample *sample,
565 struct machine *machine);
566int perf_event__process_aux(struct perf_tool *tool,
567 union perf_event *event,
568 struct perf_sample *sample,
569 struct machine *machine);
570int perf_event__process_itrace_start(struct perf_tool *tool,
571 union perf_event *event,
572 struct perf_sample *sample,
573 struct machine *machine);
574int perf_event__process_switch(struct perf_tool *tool,
575 union perf_event *event,
576 struct perf_sample *sample,
577 struct machine *machine);
578int perf_event__process_mmap(struct perf_tool *tool,
579 union perf_event *event,
580 struct perf_sample *sample,
581 struct machine *machine);
582int perf_event__process_mmap2(struct perf_tool *tool,
583 union perf_event *event,
584 struct perf_sample *sample,
585 struct machine *machine);
586int perf_event__process_fork(struct perf_tool *tool,
587 union perf_event *event,
588 struct perf_sample *sample,
589 struct machine *machine);
590int perf_event__process_exit(struct perf_tool *tool,
591 union perf_event *event,
592 struct perf_sample *sample,
593 struct machine *machine);
594int perf_event__process(struct perf_tool *tool,
595 union perf_event *event,
596 struct perf_sample *sample,
597 struct machine *machine);
598
599struct addr_location;
600
601int machine__resolve(struct machine *machine, struct addr_location *al,
602 struct perf_sample *sample);
603
604void addr_location__put(struct addr_location *al);
605
606struct thread;
607
608bool is_bts_event(struct perf_event_attr *attr);
609bool sample_addr_correlates_sym(struct perf_event_attr *attr);
610void thread__resolve(struct thread *thread, struct addr_location *al,
611 struct perf_sample *sample);
612
613const char *perf_event__name(unsigned int id);
614
615size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
616 u64 read_format);
617int perf_event__synthesize_sample(union perf_event *event, u64 type,
618 u64 read_format,
619 const struct perf_sample *sample,
620 bool swapped);
621
622pid_t perf_event__synthesize_comm(struct perf_tool *tool,
623 union perf_event *event, pid_t pid,
624 perf_event__handler_t process,
625 struct machine *machine);
626
627int perf_event__synthesize_mmap_events(struct perf_tool *tool,
628 union perf_event *event,
629 pid_t pid, pid_t tgid,
630 perf_event__handler_t process,
631 struct machine *machine,
632 bool mmap_data,
633 unsigned int proc_map_timeout);
634
635size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
636size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
637size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
638size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
639size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
640size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
641size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
642size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
643size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
644size_t perf_event__fprintf(union perf_event *event, FILE *fp);
645
646u64 kallsyms__get_function_start(const char *kallsyms_filename,
647 const char *symbol_name);
648
649void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max);
650void cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map,
651 u16 type, int max);
652#endif /* __PERF_RECORD_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PERF_RECORD_H
3#define __PERF_RECORD_H
4/*
5 * The linux/stddef.h isn't need here, but is needed for __always_inline used
6 * in files included from uapi/linux/perf_event.h such as
7 * /usr/include/linux/swab.h and /usr/include/linux/byteorder/little_endian.h,
8 * detected in at least musl libc, used in Alpine Linux. -acme
9 */
10#include <stdio.h>
11#include <linux/stddef.h>
12#include <perf/event.h>
13#include <linux/types.h>
14
15#include "perf_regs.h"
16
17struct dso;
18struct machine;
19struct perf_event_attr;
20
21#ifdef __LP64__
22/*
23 * /usr/include/inttypes.h uses just 'lu' for PRIu64, but we end up defining
24 * __u64 as long long unsigned int, and then -Werror=format= kicks in and
25 * complains of the mismatched types, so use these two special extra PRI
26 * macros to overcome that.
27 */
28#define PRI_lu64 "l" PRIu64
29#define PRI_lx64 "l" PRIx64
30#define PRI_ld64 "l" PRId64
31#else
32#define PRI_lu64 PRIu64
33#define PRI_lx64 PRIx64
34#define PRI_ld64 PRId64
35#endif
36
37#define PERF_SAMPLE_MASK \
38 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
39 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
40 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
41 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
42 PERF_SAMPLE_IDENTIFIER)
43
44/* perf sample has 16 bits size limit */
45#define PERF_SAMPLE_MAX_SIZE (1 << 16)
46
47struct regs_dump {
48 u64 abi;
49 u64 mask;
50 u64 *regs;
51
52 /* Cached values/mask filled by first register access. */
53 u64 cache_regs[PERF_REGS_MAX];
54 u64 cache_mask;
55};
56
57struct stack_dump {
58 u16 offset;
59 u64 size;
60 char *data;
61};
62
63struct sample_read_value {
64 u64 value;
65 u64 id;
66};
67
68struct sample_read {
69 u64 time_enabled;
70 u64 time_running;
71 union {
72 struct {
73 u64 nr;
74 struct sample_read_value *values;
75 } group;
76 struct sample_read_value one;
77 };
78};
79
80struct ip_callchain {
81 u64 nr;
82 u64 ips[0];
83};
84
85struct branch_stack;
86
87enum {
88 PERF_IP_FLAG_BRANCH = 1ULL << 0,
89 PERF_IP_FLAG_CALL = 1ULL << 1,
90 PERF_IP_FLAG_RETURN = 1ULL << 2,
91 PERF_IP_FLAG_CONDITIONAL = 1ULL << 3,
92 PERF_IP_FLAG_SYSCALLRET = 1ULL << 4,
93 PERF_IP_FLAG_ASYNC = 1ULL << 5,
94 PERF_IP_FLAG_INTERRUPT = 1ULL << 6,
95 PERF_IP_FLAG_TX_ABORT = 1ULL << 7,
96 PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8,
97 PERF_IP_FLAG_TRACE_END = 1ULL << 9,
98 PERF_IP_FLAG_IN_TX = 1ULL << 10,
99};
100
101#define PERF_IP_FLAG_CHARS "bcrosyiABEx"
102
103#define PERF_BRANCH_MASK (\
104 PERF_IP_FLAG_BRANCH |\
105 PERF_IP_FLAG_CALL |\
106 PERF_IP_FLAG_RETURN |\
107 PERF_IP_FLAG_CONDITIONAL |\
108 PERF_IP_FLAG_SYSCALLRET |\
109 PERF_IP_FLAG_ASYNC |\
110 PERF_IP_FLAG_INTERRUPT |\
111 PERF_IP_FLAG_TX_ABORT |\
112 PERF_IP_FLAG_TRACE_BEGIN |\
113 PERF_IP_FLAG_TRACE_END)
114
115#define MAX_INSN 16
116
117struct perf_sample {
118 u64 ip;
119 u32 pid, tid;
120 u64 time;
121 u64 addr;
122 u64 id;
123 u64 stream_id;
124 u64 period;
125 u64 weight;
126 u64 transaction;
127 u64 insn_cnt;
128 u64 cyc_cnt;
129 u32 cpu;
130 u32 raw_size;
131 u64 data_src;
132 u64 phys_addr;
133 u32 flags;
134 u16 insn_len;
135 u8 cpumode;
136 u16 misc;
137 char insn[MAX_INSN];
138 void *raw_data;
139 struct ip_callchain *callchain;
140 struct branch_stack *branch_stack;
141 struct regs_dump user_regs;
142 struct regs_dump intr_regs;
143 struct stack_dump user_stack;
144 struct sample_read read;
145};
146
147#define PERF_MEM_DATA_SRC_NONE \
148 (PERF_MEM_S(OP, NA) |\
149 PERF_MEM_S(LVL, NA) |\
150 PERF_MEM_S(SNOOP, NA) |\
151 PERF_MEM_S(LOCK, NA) |\
152 PERF_MEM_S(TLB, NA))
153
154/* Attribute type for custom synthesized events */
155#define PERF_TYPE_SYNTH (INT_MAX + 1U)
156
157/* Attribute config for custom synthesized events */
158enum perf_synth_id {
159 PERF_SYNTH_INTEL_PTWRITE,
160 PERF_SYNTH_INTEL_MWAIT,
161 PERF_SYNTH_INTEL_PWRE,
162 PERF_SYNTH_INTEL_EXSTOP,
163 PERF_SYNTH_INTEL_PWRX,
164 PERF_SYNTH_INTEL_CBR,
165};
166
167/*
168 * Raw data formats for synthesized events. Note that 4 bytes of padding are
169 * present to match the 'size' member of PERF_SAMPLE_RAW data which is always
170 * 8-byte aligned. That means we must dereference raw_data with an offset of 4.
171 * Refer perf_sample__synth_ptr() and perf_synth__raw_data(). It also means the
172 * structure sizes are 4 bytes bigger than the raw_size, refer
173 * perf_synth__raw_size().
174 */
175
176struct perf_synth_intel_ptwrite {
177 u32 padding;
178 union {
179 struct {
180 u32 ip : 1,
181 reserved : 31;
182 };
183 u32 flags;
184 };
185 u64 payload;
186};
187
188struct perf_synth_intel_mwait {
189 u32 padding;
190 u32 reserved;
191 union {
192 struct {
193 u64 hints : 8,
194 reserved1 : 24,
195 extensions : 2,
196 reserved2 : 30;
197 };
198 u64 payload;
199 };
200};
201
202struct perf_synth_intel_pwre {
203 u32 padding;
204 u32 reserved;
205 union {
206 struct {
207 u64 reserved1 : 7,
208 hw : 1,
209 subcstate : 4,
210 cstate : 4,
211 reserved2 : 48;
212 };
213 u64 payload;
214 };
215};
216
217struct perf_synth_intel_exstop {
218 u32 padding;
219 union {
220 struct {
221 u32 ip : 1,
222 reserved : 31;
223 };
224 u32 flags;
225 };
226};
227
228struct perf_synth_intel_pwrx {
229 u32 padding;
230 u32 reserved;
231 union {
232 struct {
233 u64 deepest_cstate : 4,
234 last_cstate : 4,
235 wake_reason : 4,
236 reserved1 : 52;
237 };
238 u64 payload;
239 };
240};
241
242struct perf_synth_intel_cbr {
243 u32 padding;
244 union {
245 struct {
246 u32 cbr : 8,
247 reserved1 : 8,
248 max_nonturbo : 8,
249 reserved2 : 8;
250 };
251 u32 flags;
252 };
253 u32 freq;
254 u32 reserved3;
255};
256
257/*
258 * raw_data is always 4 bytes from an 8-byte boundary, so subtract 4 to get
259 * 8-byte alignment.
260 */
261static inline void *perf_sample__synth_ptr(struct perf_sample *sample)
262{
263 return sample->raw_data - 4;
264}
265
266static inline void *perf_synth__raw_data(void *p)
267{
268 return p + 4;
269}
270
271#define perf_synth__raw_size(d) (sizeof(d) - 4)
272
273#define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4)
274
275enum {
276 PERF_STAT_ROUND_TYPE__INTERVAL = 0,
277 PERF_STAT_ROUND_TYPE__FINAL = 1,
278};
279
280void perf_event__print_totals(void);
281
282struct perf_cpu_map;
283struct perf_record_stat_config;
284struct perf_stat_config;
285struct perf_tool;
286
287void perf_event__read_stat_config(struct perf_stat_config *config,
288 struct perf_record_stat_config *event);
289
290int perf_event__process_comm(struct perf_tool *tool,
291 union perf_event *event,
292 struct perf_sample *sample,
293 struct machine *machine);
294int perf_event__process_lost(struct perf_tool *tool,
295 union perf_event *event,
296 struct perf_sample *sample,
297 struct machine *machine);
298int perf_event__process_lost_samples(struct perf_tool *tool,
299 union perf_event *event,
300 struct perf_sample *sample,
301 struct machine *machine);
302int perf_event__process_aux(struct perf_tool *tool,
303 union perf_event *event,
304 struct perf_sample *sample,
305 struct machine *machine);
306int perf_event__process_itrace_start(struct perf_tool *tool,
307 union perf_event *event,
308 struct perf_sample *sample,
309 struct machine *machine);
310int perf_event__process_switch(struct perf_tool *tool,
311 union perf_event *event,
312 struct perf_sample *sample,
313 struct machine *machine);
314int perf_event__process_namespaces(struct perf_tool *tool,
315 union perf_event *event,
316 struct perf_sample *sample,
317 struct machine *machine);
318int perf_event__process_mmap(struct perf_tool *tool,
319 union perf_event *event,
320 struct perf_sample *sample,
321 struct machine *machine);
322int perf_event__process_mmap2(struct perf_tool *tool,
323 union perf_event *event,
324 struct perf_sample *sample,
325 struct machine *machine);
326int perf_event__process_fork(struct perf_tool *tool,
327 union perf_event *event,
328 struct perf_sample *sample,
329 struct machine *machine);
330int perf_event__process_exit(struct perf_tool *tool,
331 union perf_event *event,
332 struct perf_sample *sample,
333 struct machine *machine);
334int perf_event__process_ksymbol(struct perf_tool *tool,
335 union perf_event *event,
336 struct perf_sample *sample,
337 struct machine *machine);
338int perf_event__process_bpf(struct perf_tool *tool,
339 union perf_event *event,
340 struct perf_sample *sample,
341 struct machine *machine);
342int perf_event__process(struct perf_tool *tool,
343 union perf_event *event,
344 struct perf_sample *sample,
345 struct machine *machine);
346
347struct addr_location;
348
349int machine__resolve(struct machine *machine, struct addr_location *al,
350 struct perf_sample *sample);
351
352void addr_location__put(struct addr_location *al);
353
354struct thread;
355
356bool is_bts_event(struct perf_event_attr *attr);
357bool sample_addr_correlates_sym(struct perf_event_attr *attr);
358void thread__resolve(struct thread *thread, struct addr_location *al,
359 struct perf_sample *sample);
360
361const char *perf_event__name(unsigned int id);
362
363size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
364size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
365size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
366size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
367size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
368size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
369size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
370size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
371size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
372size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp);
373size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp);
374size_t perf_event__fprintf_bpf(union perf_event *event, FILE *fp);
375size_t perf_event__fprintf(union perf_event *event, FILE *fp);
376
377int kallsyms__get_function_start(const char *kallsyms_filename,
378 const char *symbol_name, u64 *addr);
379
380void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int *max);
381void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf_cpu_map *map,
382 u16 type, int max);
383
384void event_attr_init(struct perf_event_attr *attr);
385
386int perf_event_paranoid(void);
387bool perf_event_paranoid_check(int max_level);
388
389extern int sysctl_perf_event_max_stack;
390extern int sysctl_perf_event_max_contexts_per_stack;
391extern unsigned int proc_map_timeout;
392
393#endif /* __PERF_RECORD_H */