1 #ifndef __PERF_RECORD_H
2 #define __PERF_RECORD_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;
43 struct perf_event_header header;
50 struct perf_event_header header;
55 struct lost_samples_event {
56 struct perf_event_header header;
61 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
64 struct perf_event_header header;
72 struct throttle_event {
73 struct perf_event_header header;
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)
86 /* perf sample has 16 bits size limit */
87 #define PERF_SAMPLE_MAX_SIZE (1 << 16)
90 struct perf_event_header header;
99 /* Cached values/mask filled by first register access. */
100 u64 cache_regs[PERF_REGS_MAX];
110 struct sample_read_value {
121 struct sample_read_value *values;
123 struct sample_read_value one;
127 struct ip_callchain {
132 struct branch_flags {
141 struct branch_entry {
144 struct branch_flags flags;
147 struct branch_stack {
149 struct branch_entry entries[0];
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,
166 #define PERF_IP_FLAG_CHARS "bcrosyiABEx"
168 #define PERF_BRANCH_MASK (\
169 PERF_IP_FLAG_BRANCH |\
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)
196 struct ip_callchain *callchain;
197 struct branch_stack *branch_stack;
198 struct regs_dump user_regs;
199 struct regs_dump intr_regs;
200 struct stack_dump user_stack;
201 struct sample_read read;
204 #define PERF_MEM_DATA_SRC_NONE \
205 (PERF_MEM_S(OP, NA) |\
206 PERF_MEM_S(LVL, NA) |\
207 PERF_MEM_S(SNOOP, NA) |\
208 PERF_MEM_S(LOCK, NA) |\
211 struct build_id_event {
212 struct perf_event_header header;
214 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
218 enum perf_user_event_type { /* above any possible kernel type */
219 PERF_RECORD_USER_TYPE_START = 64,
220 PERF_RECORD_HEADER_ATTR = 64,
221 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
222 PERF_RECORD_HEADER_TRACING_DATA = 66,
223 PERF_RECORD_HEADER_BUILD_ID = 67,
224 PERF_RECORD_FINISHED_ROUND = 68,
225 PERF_RECORD_ID_INDEX = 69,
226 PERF_RECORD_AUXTRACE_INFO = 70,
227 PERF_RECORD_AUXTRACE = 71,
228 PERF_RECORD_AUXTRACE_ERROR = 72,
229 PERF_RECORD_HEADER_MAX
232 enum auxtrace_error_type {
233 PERF_AUXTRACE_ERROR_ITRACE = 1,
234 PERF_AUXTRACE_ERROR_MAX
238 * The kernel collects the number of events it couldn't send in a stretch and
239 * when possible sends this number in a PERF_RECORD_LOST event. The number of
240 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
241 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
242 * the sum of all struct lost_event.lost fields reported.
244 * The kernel discards mixed up samples and sends the number in a
245 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
246 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
247 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
248 * all struct lost_samples_event.lost fields reported.
250 * The total_period is needed because by default auto-freq is used, so
251 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
252 * the total number of low level events, it is necessary to to sum all struct
253 * sample_event.period and stash the result in total_period.
255 struct events_stats {
257 u64 total_non_filtered_period;
259 u64 total_lost_samples;
261 u64 total_invalid_chains;
262 u32 nr_events[PERF_RECORD_HEADER_MAX];
263 u32 nr_non_filtered_samples;
265 u32 nr_unknown_events;
266 u32 nr_invalid_chains;
268 u32 nr_unprocessable_samples;
269 u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
270 u32 nr_proc_map_timeout;
274 struct perf_event_header header;
275 struct perf_event_attr attr;
279 #define MAX_EVENT_NAME 64
281 struct perf_trace_event_type {
283 char name[MAX_EVENT_NAME];
286 struct event_type_event {
287 struct perf_event_header header;
288 struct perf_trace_event_type event_type;
291 struct tracing_data_event {
292 struct perf_event_header header;
296 struct id_index_entry {
303 struct id_index_event {
304 struct perf_event_header header;
306 struct id_index_entry entries[0];
309 struct auxtrace_info_event {
310 struct perf_event_header header;
312 u32 reserved__; /* For alignment */
316 struct auxtrace_event {
317 struct perf_event_header header;
324 u32 reserved__; /* For alignment */
327 #define MAX_AUXTRACE_ERROR_MSG 64
329 struct auxtrace_error_event {
330 struct perf_event_header header;
336 u32 reserved__; /* For alignment */
338 char msg[MAX_AUXTRACE_ERROR_MSG];
342 struct perf_event_header header;
348 struct itrace_start_event {
349 struct perf_event_header header;
353 struct context_switch_event {
354 struct perf_event_header header;
360 struct perf_event_header header;
361 struct mmap_event mmap;
362 struct mmap2_event mmap2;
363 struct comm_event comm;
364 struct fork_event fork;
365 struct lost_event lost;
366 struct lost_samples_event lost_samples;
367 struct read_event read;
368 struct throttle_event throttle;
369 struct sample_event sample;
370 struct attr_event attr;
371 struct event_type_event event_type;
372 struct tracing_data_event tracing_data;
373 struct build_id_event build_id;
374 struct id_index_event id_index;
375 struct auxtrace_info_event auxtrace_info;
376 struct auxtrace_event auxtrace;
377 struct auxtrace_error_event auxtrace_error;
378 struct aux_event aux;
379 struct itrace_start_event itrace_start;
380 struct context_switch_event context_switch;
383 void perf_event__print_totals(void);
388 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
389 union perf_event *event,
390 struct perf_sample *sample,
391 struct machine *machine);
393 int perf_event__synthesize_thread_map(struct perf_tool *tool,
394 struct thread_map *threads,
395 perf_event__handler_t process,
396 struct machine *machine, bool mmap_data,
397 unsigned int proc_map_timeout);
398 int perf_event__synthesize_threads(struct perf_tool *tool,
399 perf_event__handler_t process,
400 struct machine *machine, bool mmap_data,
401 unsigned int proc_map_timeout);
402 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
403 perf_event__handler_t process,
404 struct machine *machine);
406 int perf_event__synthesize_modules(struct perf_tool *tool,
407 perf_event__handler_t process,
408 struct machine *machine);
410 int perf_event__process_comm(struct perf_tool *tool,
411 union perf_event *event,
412 struct perf_sample *sample,
413 struct machine *machine);
414 int perf_event__process_lost(struct perf_tool *tool,
415 union perf_event *event,
416 struct perf_sample *sample,
417 struct machine *machine);
418 int perf_event__process_lost_samples(struct perf_tool *tool,
419 union perf_event *event,
420 struct perf_sample *sample,
421 struct machine *machine);
422 int perf_event__process_aux(struct perf_tool *tool,
423 union perf_event *event,
424 struct perf_sample *sample,
425 struct machine *machine);
426 int perf_event__process_itrace_start(struct perf_tool *tool,
427 union perf_event *event,
428 struct perf_sample *sample,
429 struct machine *machine);
430 int perf_event__process_switch(struct perf_tool *tool,
431 union perf_event *event,
432 struct perf_sample *sample,
433 struct machine *machine);
434 int perf_event__process_mmap(struct perf_tool *tool,
435 union perf_event *event,
436 struct perf_sample *sample,
437 struct machine *machine);
438 int perf_event__process_mmap2(struct perf_tool *tool,
439 union perf_event *event,
440 struct perf_sample *sample,
441 struct machine *machine);
442 int perf_event__process_fork(struct perf_tool *tool,
443 union perf_event *event,
444 struct perf_sample *sample,
445 struct machine *machine);
446 int perf_event__process_exit(struct perf_tool *tool,
447 union perf_event *event,
448 struct perf_sample *sample,
449 struct machine *machine);
450 int perf_event__process(struct perf_tool *tool,
451 union perf_event *event,
452 struct perf_sample *sample,
453 struct machine *machine);
455 struct addr_location;
457 int perf_event__preprocess_sample(const union perf_event *event,
458 struct machine *machine,
459 struct addr_location *al,
460 struct perf_sample *sample);
462 void addr_location__put(struct addr_location *al);
466 bool is_bts_event(struct perf_event_attr *attr);
467 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
468 void perf_event__preprocess_sample_addr(union perf_event *event,
469 struct perf_sample *sample,
470 struct thread *thread,
471 struct addr_location *al);
473 const char *perf_event__name(unsigned int id);
475 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
477 int perf_event__synthesize_sample(union perf_event *event, u64 type,
479 const struct perf_sample *sample,
482 pid_t perf_event__synthesize_comm(struct perf_tool *tool,
483 union perf_event *event, pid_t pid,
484 perf_event__handler_t process,
485 struct machine *machine);
487 int perf_event__synthesize_mmap_events(struct perf_tool *tool,
488 union perf_event *event,
489 pid_t pid, pid_t tgid,
490 perf_event__handler_t process,
491 struct machine *machine,
493 unsigned int proc_map_timeout);
495 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
496 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
497 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
498 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
499 size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
500 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
501 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
502 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
504 u64 kallsyms__get_function_start(const char *kallsyms_filename,
505 const char *symbol_name);
507 #endif /* __PERF_RECORD_H */