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powerpc/mm/4k: don't allocate larger pmd page table for 4k
[linux/fpc-iii.git] / tools / perf / util / event.h
blobc735c53a26f8f6dcb37727299e0560d07a5f6ddb
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
12 struct 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
21 struct 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
36 struct comm_event {
37 struct perf_event_header header;
38 u32 pid, tid;
39 char comm[16];
40 };
41
42 struct fork_event {
43 struct perf_event_header header;
44 u32 pid, ppid;
45 u32 tid, ptid;
46 u64 time;
47 };
48
49 struct lost_event {
50 struct perf_event_header header;
51 u64 id;
52 u64 lost;
53 };
54
55 struct 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 */
63 struct 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
72 struct 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
89 struct sample_event {
90 struct perf_event_header header;
91 u64 array[];
92 };
93
94 struct 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
104 struct stack_dump {
105 u16 offset;
106 u64 size;
107 char *data;
108 };
109
110 struct sample_read_value {
111 u64 value;
112 u64 id;
113 };
114
115 struct 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
127 struct ip_callchain {
128 u64 nr;
129 u64 ips[0];
130 };
131
132 struct 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
141 struct branch_entry {
142 u64 from;
143 u64 to;
144 struct branch_flags flags;
145 };
146
147 struct branch_stack {
148 u64 nr;
149 struct branch_entry entries[0];
150 };
151
152 enum {
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
180 #define MAX_INSN 16
181
182 struct perf_sample {
183 u64 ip;
184 u32 pid, tid;
185 u64 time;
186 u64 addr;
187 u64 id;
188 u64 stream_id;
189 u64 period;
190 u64 weight;
191 u64 transaction;
192 u32 cpu;
193 u32 raw_size;
194 u64 data_src;
195 u32 flags;
196 u16 insn_len;
197 u8 cpumode;
198 char insn[MAX_INSN];
199 void *raw_data;
200 struct ip_callchain *callchain;
201 struct branch_stack *branch_stack;
202 struct regs_dump user_regs;
203 struct regs_dump intr_regs;
204 struct stack_dump user_stack;
205 struct sample_read read;
206 };
207
208 #define PERF_MEM_DATA_SRC_NONE \
209 (PERF_MEM_S(OP, NA) |\
210 PERF_MEM_S(LVL, NA) |\
211 PERF_MEM_S(SNOOP, NA) |\
212 PERF_MEM_S(LOCK, NA) |\
213 PERF_MEM_S(TLB, NA))
214
215 struct build_id_event {
216 struct perf_event_header header;
217 pid_t pid;
218 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
219 char filename[];
220 };
221
222 enum perf_user_event_type { /* above any possible kernel type */
223 PERF_RECORD_USER_TYPE_START = 64,
224 PERF_RECORD_HEADER_ATTR = 64,
225 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
226 PERF_RECORD_HEADER_TRACING_DATA = 66,
227 PERF_RECORD_HEADER_BUILD_ID = 67,
228 PERF_RECORD_FINISHED_ROUND = 68,
229 PERF_RECORD_ID_INDEX = 69,
230 PERF_RECORD_AUXTRACE_INFO = 70,
231 PERF_RECORD_AUXTRACE = 71,
232 PERF_RECORD_AUXTRACE_ERROR = 72,
233 PERF_RECORD_THREAD_MAP = 73,
234 PERF_RECORD_CPU_MAP = 74,
235 PERF_RECORD_STAT_CONFIG = 75,
236 PERF_RECORD_STAT = 76,
237 PERF_RECORD_STAT_ROUND = 77,
238 PERF_RECORD_EVENT_UPDATE = 78,
239 PERF_RECORD_TIME_CONV = 79,
240 PERF_RECORD_HEADER_MAX
241 };
242
243 enum auxtrace_error_type {
244 PERF_AUXTRACE_ERROR_ITRACE = 1,
245 PERF_AUXTRACE_ERROR_MAX
246 };
247
248 /*
249 * The kernel collects the number of events it couldn't send in a stretch and
250 * when possible sends this number in a PERF_RECORD_LOST event. The number of
251 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
252 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
253 * the sum of all struct lost_event.lost fields reported.
254 *
255 * The kernel discards mixed up samples and sends the number in a
256 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
257 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
258 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
259 * all struct lost_samples_event.lost fields reported.
260 *
261 * The total_period is needed because by default auto-freq is used, so
262 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
263 * the total number of low level events, it is necessary to to sum all struct
264 * sample_event.period and stash the result in total_period.
265 */
266 struct events_stats {
267 u64 total_period;
268 u64 total_non_filtered_period;
269 u64 total_lost;
270 u64 total_lost_samples;
271 u64 total_aux_lost;
272 u64 total_invalid_chains;
273 u32 nr_events[PERF_RECORD_HEADER_MAX];
274 u32 nr_non_filtered_samples;
275 u32 nr_lost_warned;
276 u32 nr_unknown_events;
277 u32 nr_invalid_chains;
278 u32 nr_unknown_id;
279 u32 nr_unprocessable_samples;
280 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
281 u32 nr_proc_map_timeout;
282 };
283
284 enum {
285 PERF_CPU_MAP__CPUS = 0,
286 PERF_CPU_MAP__MASK = 1,
287 };
288
289 struct cpu_map_entries {
290 u16 nr;
291 u16 cpu[];
292 };
293
294 struct cpu_map_mask {
295 u16 nr;
296 u16 long_size;
297 unsigned long mask[];
298 };
299
300 struct cpu_map_data {
301 u16 type;
302 char data[];
303 };
304
305 struct cpu_map_event {
306 struct perf_event_header header;
307 struct cpu_map_data data;
308 };
309
310 struct attr_event {
311 struct perf_event_header header;
312 struct perf_event_attr attr;
313 u64 id[];
314 };
315
316 enum {
317 PERF_EVENT_UPDATE__UNIT = 0,
318 PERF_EVENT_UPDATE__SCALE = 1,
319 PERF_EVENT_UPDATE__NAME = 2,
320 PERF_EVENT_UPDATE__CPUS = 3,
321 };
322
323 struct event_update_event_cpus {
324 struct cpu_map_data cpus;
325 };
326
327 struct event_update_event_scale {
328 double scale;
329 };
330
331 struct event_update_event {
332 struct perf_event_header header;
333 u64 type;
334 u64 id;
335
336 char data[];
337 };
338
339 #define MAX_EVENT_NAME 64
340
341 struct perf_trace_event_type {
342 u64 event_id;
343 char name[MAX_EVENT_NAME];
344 };
345
346 struct event_type_event {
347 struct perf_event_header header;
348 struct perf_trace_event_type event_type;
349 };
350
351 struct tracing_data_event {
352 struct perf_event_header header;
353 u32 size;
354 };
355
356 struct id_index_entry {
357 u64 id;
358 u64 idx;
359 u64 cpu;
360 u64 tid;
361 };
362
363 struct id_index_event {
364 struct perf_event_header header;
365 u64 nr;
366 struct id_index_entry entries[0];
367 };
368
369 struct auxtrace_info_event {
370 struct perf_event_header header;
371 u32 type;
372 u32 reserved__; /* For alignment */
373 u64 priv[];
374 };
375
376 struct auxtrace_event {
377 struct perf_event_header header;
378 u64 size;
379 u64 offset;
380 u64 reference;
381 u32 idx;
382 u32 tid;
383 u32 cpu;
384 u32 reserved__; /* For alignment */
385 };
386
387 #define MAX_AUXTRACE_ERROR_MSG 64
388
389 struct auxtrace_error_event {
390 struct perf_event_header header;
391 u32 type;
392 u32 code;
393 u32 cpu;
394 u32 pid;
395 u32 tid;
396 u32 reserved__; /* For alignment */
397 u64 ip;
398 char msg[MAX_AUXTRACE_ERROR_MSG];
399 };
400
401 struct aux_event {
402 struct perf_event_header header;
403 u64 aux_offset;
404 u64 aux_size;
405 u64 flags;
406 };
407
408 struct itrace_start_event {
409 struct perf_event_header header;
410 u32 pid, tid;
411 };
412
413 struct context_switch_event {
414 struct perf_event_header header;
415 u32 next_prev_pid;
416 u32 next_prev_tid;
417 };
418
419 struct thread_map_event_entry {
420 u64 pid;
421 char comm[16];
422 };
423
424 struct thread_map_event {
425 struct perf_event_header header;
426 u64 nr;
427 struct thread_map_event_entry entries[];
428 };
429
430 enum {
431 PERF_STAT_CONFIG_TERM__AGGR_MODE = 0,
432 PERF_STAT_CONFIG_TERM__INTERVAL = 1,
433 PERF_STAT_CONFIG_TERM__SCALE = 2,
434 PERF_STAT_CONFIG_TERM__MAX = 3,
435 };
436
437 struct stat_config_event_entry {
438 u64 tag;
439 u64 val;
440 };
441
442 struct stat_config_event {
443 struct perf_event_header header;
444 u64 nr;
445 struct stat_config_event_entry data[];
446 };
447
448 struct stat_event {
449 struct perf_event_header header;
450
451 u64 id;
452 u32 cpu;
453 u32 thread;
454
455 union {
456 struct {
457 u64 val;
458 u64 ena;
459 u64 run;
460 };
461 u64 values[3];
462 };
463 };
464
465 enum {
466 PERF_STAT_ROUND_TYPE__INTERVAL = 0,
467 PERF_STAT_ROUND_TYPE__FINAL = 1,
468 };
469
470 struct stat_round_event {
471 struct perf_event_header header;
472 u64 type;
473 u64 time;
474 };
475
476 struct time_conv_event {
477 struct perf_event_header header;
478 u64 time_shift;
479 u64 time_mult;
480 u64 time_zero;
481 };
482
483 union perf_event {
484 struct perf_event_header header;
485 struct mmap_event mmap;
486 struct mmap2_event mmap2;
487 struct comm_event comm;
488 struct fork_event fork;
489 struct lost_event lost;
490 struct lost_samples_event lost_samples;
491 struct read_event read;
492 struct throttle_event throttle;
493 struct sample_event sample;
494 struct attr_event attr;
495 struct event_update_event event_update;
496 struct event_type_event event_type;
497 struct tracing_data_event tracing_data;
498 struct build_id_event build_id;
499 struct id_index_event id_index;
500 struct auxtrace_info_event auxtrace_info;
501 struct auxtrace_event auxtrace;
502 struct auxtrace_error_event auxtrace_error;
503 struct aux_event aux;
504 struct itrace_start_event itrace_start;
505 struct context_switch_event context_switch;
506 struct thread_map_event thread_map;
507 struct cpu_map_event cpu_map;
508 struct stat_config_event stat_config;
509 struct stat_event stat;
510 struct stat_round_event stat_round;
511 struct time_conv_event time_conv;
512 };
513
514 void perf_event__print_totals(void);
515
516 struct perf_tool;
517 struct thread_map;
518 struct cpu_map;
519 struct perf_stat_config;
520 struct perf_counts_values;
521
522 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
523 union perf_event *event,
524 struct perf_sample *sample,
525 struct machine *machine);
526
527 int perf_event__synthesize_thread_map(struct perf_tool *tool,
528 struct thread_map *threads,
529 perf_event__handler_t process,
530 struct machine *machine, bool mmap_data,
531 unsigned int proc_map_timeout);
532 int perf_event__synthesize_thread_map2(struct perf_tool *tool,
533 struct thread_map *threads,
534 perf_event__handler_t process,
535 struct machine *machine);
536 int perf_event__synthesize_cpu_map(struct perf_tool *tool,
537 struct cpu_map *cpus,
538 perf_event__handler_t process,
539 struct machine *machine);
540 int perf_event__synthesize_threads(struct perf_tool *tool,
541 perf_event__handler_t process,
542 struct machine *machine, bool mmap_data,
543 unsigned int proc_map_timeout);
544 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
545 perf_event__handler_t process,
546 struct machine *machine);
547 int perf_event__synthesize_stat_config(struct perf_tool *tool,
548 struct perf_stat_config *config,
549 perf_event__handler_t process,
550 struct machine *machine);
551 void perf_event__read_stat_config(struct perf_stat_config *config,
552 struct stat_config_event *event);
553 int perf_event__synthesize_stat(struct perf_tool *tool,
554 u32 cpu, u32 thread, u64 id,
555 struct perf_counts_values *count,
556 perf_event__handler_t process,
557 struct machine *machine);
558 int perf_event__synthesize_stat_round(struct perf_tool *tool,
559 u64 time, u64 type,
560 perf_event__handler_t process,
561 struct machine *machine);
562 int perf_event__synthesize_modules(struct perf_tool *tool,
563 perf_event__handler_t process,
564 struct machine *machine);
565
566 int perf_event__process_comm(struct perf_tool *tool,
567 union perf_event *event,
568 struct perf_sample *sample,
569 struct machine *machine);
570 int perf_event__process_lost(struct perf_tool *tool,
571 union perf_event *event,
572 struct perf_sample *sample,
573 struct machine *machine);
574 int perf_event__process_lost_samples(struct perf_tool *tool,
575 union perf_event *event,
576 struct perf_sample *sample,
577 struct machine *machine);
578 int perf_event__process_aux(struct perf_tool *tool,
579 union perf_event *event,
580 struct perf_sample *sample,
581 struct machine *machine);
582 int perf_event__process_itrace_start(struct perf_tool *tool,
583 union perf_event *event,
584 struct perf_sample *sample,
585 struct machine *machine);
586 int perf_event__process_switch(struct perf_tool *tool,
587 union perf_event *event,
588 struct perf_sample *sample,
589 struct machine *machine);
590 int perf_event__process_mmap(struct perf_tool *tool,
591 union perf_event *event,
592 struct perf_sample *sample,
593 struct machine *machine);
594 int perf_event__process_mmap2(struct perf_tool *tool,
595 union perf_event *event,
596 struct perf_sample *sample,
597 struct machine *machine);
598 int perf_event__process_fork(struct perf_tool *tool,
599 union perf_event *event,
600 struct perf_sample *sample,
601 struct machine *machine);
602 int perf_event__process_exit(struct perf_tool *tool,
603 union perf_event *event,
604 struct perf_sample *sample,
605 struct machine *machine);
606 int perf_event__process(struct perf_tool *tool,
607 union perf_event *event,
608 struct perf_sample *sample,
609 struct machine *machine);
610
611 struct addr_location;
612
613 int machine__resolve(struct machine *machine, struct addr_location *al,
614 struct perf_sample *sample);
615
616 void addr_location__put(struct addr_location *al);
617
618 struct thread;
619
620 bool is_bts_event(struct perf_event_attr *attr);
621 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
622 void thread__resolve(struct thread *thread, struct addr_location *al,
623 struct perf_sample *sample);
624
625 const char *perf_event__name(unsigned int id);
626
627 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
628 u64 read_format);
629 int perf_event__synthesize_sample(union perf_event *event, u64 type,
630 u64 read_format,
631 const struct perf_sample *sample,
632 bool swapped);
633
634 pid_t perf_event__synthesize_comm(struct perf_tool *tool,
635 union perf_event *event, pid_t pid,
636 perf_event__handler_t process,
637 struct machine *machine);
638
639 int perf_event__synthesize_mmap_events(struct perf_tool *tool,
640 union perf_event *event,
641 pid_t pid, pid_t tgid,
642 perf_event__handler_t process,
643 struct machine *machine,
644 bool mmap_data,
645 unsigned int proc_map_timeout);
646
647 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
648 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
649 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
650 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
651 size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
652 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
653 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
654 size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
655 size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
656 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
657
658 u64 kallsyms__get_function_start(const char *kallsyms_filename,
659 const char *symbol_name);
660
661 void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max);
662 void cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map,
663 u16 type, int max);
664 #endif /* __PERF_RECORD_H */
Linux with added FPC-III support