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
;
56 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
59 struct perf_event_header header
;
67 struct throttle_event
{
68 struct perf_event_header header
;
74 #define PERF_SAMPLE_MASK \
75 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
76 PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
77 PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
78 PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
79 PERF_SAMPLE_IDENTIFIER)
81 /* perf sample has 16 bits size limit */
82 #define PERF_SAMPLE_MAX_SIZE (1 << 16)
85 struct perf_event_header header
;
94 /* Cached values/mask filled by first register access. */
95 u64 cache_regs
[PERF_REGS_MAX
];
105 struct sample_read_value
{
116 struct sample_read_value
*values
;
118 struct sample_read_value one
;
122 struct ip_callchain
{
127 struct branch_flags
{
135 struct branch_entry
{
138 struct branch_flags flags
;
141 struct branch_stack
{
143 struct branch_entry entries
[0];
147 PERF_IP_FLAG_BRANCH
= 1ULL << 0,
148 PERF_IP_FLAG_CALL
= 1ULL << 1,
149 PERF_IP_FLAG_RETURN
= 1ULL << 2,
150 PERF_IP_FLAG_CONDITIONAL
= 1ULL << 3,
151 PERF_IP_FLAG_SYSCALLRET
= 1ULL << 4,
152 PERF_IP_FLAG_ASYNC
= 1ULL << 5,
153 PERF_IP_FLAG_INTERRUPT
= 1ULL << 6,
154 PERF_IP_FLAG_TX_ABORT
= 1ULL << 7,
155 PERF_IP_FLAG_TRACE_BEGIN
= 1ULL << 8,
156 PERF_IP_FLAG_TRACE_END
= 1ULL << 9,
157 PERF_IP_FLAG_IN_TX
= 1ULL << 10,
160 #define PERF_IP_FLAG_CHARS "bcrosyiABEx"
162 #define PERF_BRANCH_MASK (\
163 PERF_IP_FLAG_BRANCH |\
165 PERF_IP_FLAG_RETURN |\
166 PERF_IP_FLAG_CONDITIONAL |\
167 PERF_IP_FLAG_SYSCALLRET |\
168 PERF_IP_FLAG_ASYNC |\
169 PERF_IP_FLAG_INTERRUPT |\
170 PERF_IP_FLAG_TX_ABORT |\
171 PERF_IP_FLAG_TRACE_BEGIN |\
172 PERF_IP_FLAG_TRACE_END)
190 struct ip_callchain
*callchain
;
191 struct branch_stack
*branch_stack
;
192 struct regs_dump user_regs
;
193 struct regs_dump intr_regs
;
194 struct stack_dump user_stack
;
195 struct sample_read read
;
198 #define PERF_MEM_DATA_SRC_NONE \
199 (PERF_MEM_S(OP, NA) |\
200 PERF_MEM_S(LVL, NA) |\
201 PERF_MEM_S(SNOOP, NA) |\
202 PERF_MEM_S(LOCK, NA) |\
205 struct build_id_event
{
206 struct perf_event_header header
;
208 u8 build_id
[PERF_ALIGN(BUILD_ID_SIZE
, sizeof(u64
))];
212 enum perf_user_event_type
{ /* above any possible kernel type */
213 PERF_RECORD_USER_TYPE_START
= 64,
214 PERF_RECORD_HEADER_ATTR
= 64,
215 PERF_RECORD_HEADER_EVENT_TYPE
= 65, /* depreceated */
216 PERF_RECORD_HEADER_TRACING_DATA
= 66,
217 PERF_RECORD_HEADER_BUILD_ID
= 67,
218 PERF_RECORD_FINISHED_ROUND
= 68,
219 PERF_RECORD_ID_INDEX
= 69,
220 PERF_RECORD_AUXTRACE_INFO
= 70,
221 PERF_RECORD_AUXTRACE
= 71,
222 PERF_RECORD_AUXTRACE_ERROR
= 72,
223 PERF_RECORD_HEADER_MAX
226 enum auxtrace_error_type
{
227 PERF_AUXTRACE_ERROR_ITRACE
= 1,
228 PERF_AUXTRACE_ERROR_MAX
232 * The kernel collects the number of events it couldn't send in a stretch and
233 * when possible sends this number in a PERF_RECORD_LOST event. The number of
234 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
235 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
236 * the sum of all struct lost_event.lost fields reported.
238 * The total_period is needed because by default auto-freq is used, so
239 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
240 * the total number of low level events, it is necessary to to sum all struct
241 * sample_event.period and stash the result in total_period.
243 struct events_stats
{
245 u64 total_non_filtered_period
;
247 u64 total_invalid_chains
;
248 u32 nr_events
[PERF_RECORD_HEADER_MAX
];
249 u32 nr_non_filtered_samples
;
251 u32 nr_unknown_events
;
252 u32 nr_invalid_chains
;
254 u32 nr_unprocessable_samples
;
255 u32 nr_auxtrace_errors
[PERF_AUXTRACE_ERROR_MAX
];
259 struct perf_event_header header
;
260 struct perf_event_attr attr
;
264 #define MAX_EVENT_NAME 64
266 struct perf_trace_event_type
{
268 char name
[MAX_EVENT_NAME
];
271 struct event_type_event
{
272 struct perf_event_header header
;
273 struct perf_trace_event_type event_type
;
276 struct tracing_data_event
{
277 struct perf_event_header header
;
281 struct id_index_entry
{
288 struct id_index_event
{
289 struct perf_event_header header
;
291 struct id_index_entry entries
[0];
294 struct auxtrace_info_event
{
295 struct perf_event_header header
;
297 u32 reserved__
; /* For alignment */
301 struct auxtrace_event
{
302 struct perf_event_header header
;
309 u32 reserved__
; /* For alignment */
312 #define MAX_AUXTRACE_ERROR_MSG 64
314 struct auxtrace_error_event
{
315 struct perf_event_header header
;
321 u32 reserved__
; /* For alignment */
323 char msg
[MAX_AUXTRACE_ERROR_MSG
];
327 struct perf_event_header header
;
333 struct itrace_start_event
{
334 struct perf_event_header header
;
339 struct perf_event_header header
;
340 struct mmap_event mmap
;
341 struct mmap2_event mmap2
;
342 struct comm_event comm
;
343 struct fork_event fork
;
344 struct lost_event lost
;
345 struct read_event read
;
346 struct throttle_event throttle
;
347 struct sample_event sample
;
348 struct attr_event attr
;
349 struct event_type_event event_type
;
350 struct tracing_data_event tracing_data
;
351 struct build_id_event build_id
;
352 struct id_index_event id_index
;
353 struct auxtrace_info_event auxtrace_info
;
354 struct auxtrace_event auxtrace
;
355 struct auxtrace_error_event auxtrace_error
;
356 struct aux_event aux
;
357 struct itrace_start_event itrace_start
;
360 void perf_event__print_totals(void);
365 typedef int (*perf_event__handler_t
)(struct perf_tool
*tool
,
366 union perf_event
*event
,
367 struct perf_sample
*sample
,
368 struct machine
*machine
);
370 int perf_event__synthesize_thread_map(struct perf_tool
*tool
,
371 struct thread_map
*threads
,
372 perf_event__handler_t process
,
373 struct machine
*machine
, bool mmap_data
);
374 int perf_event__synthesize_threads(struct perf_tool
*tool
,
375 perf_event__handler_t process
,
376 struct machine
*machine
, bool mmap_data
);
377 int perf_event__synthesize_kernel_mmap(struct perf_tool
*tool
,
378 perf_event__handler_t process
,
379 struct machine
*machine
);
381 int perf_event__synthesize_modules(struct perf_tool
*tool
,
382 perf_event__handler_t process
,
383 struct machine
*machine
);
385 int perf_event__process_comm(struct perf_tool
*tool
,
386 union perf_event
*event
,
387 struct perf_sample
*sample
,
388 struct machine
*machine
);
389 int perf_event__process_lost(struct perf_tool
*tool
,
390 union perf_event
*event
,
391 struct perf_sample
*sample
,
392 struct machine
*machine
);
393 int perf_event__process_aux(struct perf_tool
*tool
,
394 union perf_event
*event
,
395 struct perf_sample
*sample
,
396 struct machine
*machine
);
397 int perf_event__process_itrace_start(struct perf_tool
*tool
,
398 union perf_event
*event
,
399 struct perf_sample
*sample
,
400 struct machine
*machine
);
401 int perf_event__process_mmap(struct perf_tool
*tool
,
402 union perf_event
*event
,
403 struct perf_sample
*sample
,
404 struct machine
*machine
);
405 int perf_event__process_mmap2(struct perf_tool
*tool
,
406 union perf_event
*event
,
407 struct perf_sample
*sample
,
408 struct machine
*machine
);
409 int perf_event__process_fork(struct perf_tool
*tool
,
410 union perf_event
*event
,
411 struct perf_sample
*sample
,
412 struct machine
*machine
);
413 int perf_event__process_exit(struct perf_tool
*tool
,
414 union perf_event
*event
,
415 struct perf_sample
*sample
,
416 struct machine
*machine
);
417 int perf_event__process(struct perf_tool
*tool
,
418 union perf_event
*event
,
419 struct perf_sample
*sample
,
420 struct machine
*machine
);
422 struct addr_location
;
424 int perf_event__preprocess_sample(const union perf_event
*event
,
425 struct machine
*machine
,
426 struct addr_location
*al
,
427 struct perf_sample
*sample
);
431 bool is_bts_event(struct perf_event_attr
*attr
);
432 bool sample_addr_correlates_sym(struct perf_event_attr
*attr
);
433 void perf_event__preprocess_sample_addr(union perf_event
*event
,
434 struct perf_sample
*sample
,
435 struct thread
*thread
,
436 struct addr_location
*al
);
438 const char *perf_event__name(unsigned int id
);
440 size_t perf_event__sample_event_size(const struct perf_sample
*sample
, u64 type
,
442 int perf_event__synthesize_sample(union perf_event
*event
, u64 type
,
444 const struct perf_sample
*sample
,
447 int perf_event__synthesize_mmap_events(struct perf_tool
*tool
,
448 union perf_event
*event
,
449 pid_t pid
, pid_t tgid
,
450 perf_event__handler_t process
,
451 struct machine
*machine
,
454 size_t perf_event__fprintf_comm(union perf_event
*event
, FILE *fp
);
455 size_t perf_event__fprintf_mmap(union perf_event
*event
, FILE *fp
);
456 size_t perf_event__fprintf_mmap2(union perf_event
*event
, FILE *fp
);
457 size_t perf_event__fprintf_task(union perf_event
*event
, FILE *fp
);
458 size_t perf_event__fprintf_aux(union perf_event
*event
, FILE *fp
);
459 size_t perf_event__fprintf_itrace_start(union perf_event
*event
, FILE *fp
);
460 size_t perf_event__fprintf(union perf_event
*event
, FILE *fp
);
462 u64
kallsyms__get_function_start(const char *kallsyms_filename
,
463 const char *symbol_name
);
465 #endif /* __PERF_RECORD_H */