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_BRANCH_MASK (\
161 PERF_IP_FLAG_BRANCH |\
163 PERF_IP_FLAG_RETURN |\
164 PERF_IP_FLAG_CONDITIONAL |\
165 PERF_IP_FLAG_SYSCALLRET |\
166 PERF_IP_FLAG_ASYNC |\
167 PERF_IP_FLAG_INTERRUPT |\
168 PERF_IP_FLAG_TX_ABORT |\
169 PERF_IP_FLAG_TRACE_BEGIN |\
170 PERF_IP_FLAG_TRACE_END)
188 struct ip_callchain
*callchain
;
189 struct branch_stack
*branch_stack
;
190 struct regs_dump user_regs
;
191 struct regs_dump intr_regs
;
192 struct stack_dump user_stack
;
193 struct sample_read read
;
196 #define PERF_MEM_DATA_SRC_NONE \
197 (PERF_MEM_S(OP, NA) |\
198 PERF_MEM_S(LVL, NA) |\
199 PERF_MEM_S(SNOOP, NA) |\
200 PERF_MEM_S(LOCK, NA) |\
203 struct build_id_event
{
204 struct perf_event_header header
;
206 u8 build_id
[PERF_ALIGN(BUILD_ID_SIZE
, sizeof(u64
))];
210 enum perf_user_event_type
{ /* above any possible kernel type */
211 PERF_RECORD_USER_TYPE_START
= 64,
212 PERF_RECORD_HEADER_ATTR
= 64,
213 PERF_RECORD_HEADER_EVENT_TYPE
= 65, /* depreceated */
214 PERF_RECORD_HEADER_TRACING_DATA
= 66,
215 PERF_RECORD_HEADER_BUILD_ID
= 67,
216 PERF_RECORD_FINISHED_ROUND
= 68,
217 PERF_RECORD_ID_INDEX
= 69,
218 PERF_RECORD_HEADER_MAX
222 * The kernel collects the number of events it couldn't send in a stretch and
223 * when possible sends this number in a PERF_RECORD_LOST event. The number of
224 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
225 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
226 * the sum of all struct lost_event.lost fields reported.
228 * The total_period is needed because by default auto-freq is used, so
229 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
230 * the total number of low level events, it is necessary to to sum all struct
231 * sample_event.period and stash the result in total_period.
233 struct events_stats
{
235 u64 total_non_filtered_period
;
237 u64 total_invalid_chains
;
238 u32 nr_events
[PERF_RECORD_HEADER_MAX
];
239 u32 nr_non_filtered_samples
;
241 u32 nr_unknown_events
;
242 u32 nr_invalid_chains
;
244 u32 nr_unprocessable_samples
;
248 struct perf_event_header header
;
249 struct perf_event_attr attr
;
253 #define MAX_EVENT_NAME 64
255 struct perf_trace_event_type
{
257 char name
[MAX_EVENT_NAME
];
260 struct event_type_event
{
261 struct perf_event_header header
;
262 struct perf_trace_event_type event_type
;
265 struct tracing_data_event
{
266 struct perf_event_header header
;
270 struct id_index_entry
{
277 struct id_index_event
{
278 struct perf_event_header header
;
280 struct id_index_entry entries
[0];
284 struct perf_event_header header
;
285 struct mmap_event mmap
;
286 struct mmap2_event mmap2
;
287 struct comm_event comm
;
288 struct fork_event fork
;
289 struct lost_event lost
;
290 struct read_event read
;
291 struct throttle_event throttle
;
292 struct sample_event sample
;
293 struct attr_event attr
;
294 struct event_type_event event_type
;
295 struct tracing_data_event tracing_data
;
296 struct build_id_event build_id
;
297 struct id_index_event id_index
;
300 void perf_event__print_totals(void);
305 typedef int (*perf_event__handler_t
)(struct perf_tool
*tool
,
306 union perf_event
*event
,
307 struct perf_sample
*sample
,
308 struct machine
*machine
);
310 int perf_event__synthesize_thread_map(struct perf_tool
*tool
,
311 struct thread_map
*threads
,
312 perf_event__handler_t process
,
313 struct machine
*machine
, bool mmap_data
);
314 int perf_event__synthesize_threads(struct perf_tool
*tool
,
315 perf_event__handler_t process
,
316 struct machine
*machine
, bool mmap_data
);
317 int perf_event__synthesize_kernel_mmap(struct perf_tool
*tool
,
318 perf_event__handler_t process
,
319 struct machine
*machine
);
321 int perf_event__synthesize_modules(struct perf_tool
*tool
,
322 perf_event__handler_t process
,
323 struct machine
*machine
);
325 int perf_event__process_comm(struct perf_tool
*tool
,
326 union perf_event
*event
,
327 struct perf_sample
*sample
,
328 struct machine
*machine
);
329 int perf_event__process_lost(struct perf_tool
*tool
,
330 union perf_event
*event
,
331 struct perf_sample
*sample
,
332 struct machine
*machine
);
333 int perf_event__process_mmap(struct perf_tool
*tool
,
334 union perf_event
*event
,
335 struct perf_sample
*sample
,
336 struct machine
*machine
);
337 int perf_event__process_mmap2(struct perf_tool
*tool
,
338 union perf_event
*event
,
339 struct perf_sample
*sample
,
340 struct machine
*machine
);
341 int perf_event__process_fork(struct perf_tool
*tool
,
342 union perf_event
*event
,
343 struct perf_sample
*sample
,
344 struct machine
*machine
);
345 int perf_event__process_exit(struct perf_tool
*tool
,
346 union perf_event
*event
,
347 struct perf_sample
*sample
,
348 struct machine
*machine
);
349 int perf_event__process(struct perf_tool
*tool
,
350 union perf_event
*event
,
351 struct perf_sample
*sample
,
352 struct machine
*machine
);
354 struct addr_location
;
356 int perf_event__preprocess_sample(const union perf_event
*event
,
357 struct machine
*machine
,
358 struct addr_location
*al
,
359 struct perf_sample
*sample
);
363 bool is_bts_event(struct perf_event_attr
*attr
);
364 bool sample_addr_correlates_sym(struct perf_event_attr
*attr
);
365 void perf_event__preprocess_sample_addr(union perf_event
*event
,
366 struct perf_sample
*sample
,
367 struct thread
*thread
,
368 struct addr_location
*al
);
370 const char *perf_event__name(unsigned int id
);
372 size_t perf_event__sample_event_size(const struct perf_sample
*sample
, u64 type
,
374 int perf_event__synthesize_sample(union perf_event
*event
, u64 type
,
376 const struct perf_sample
*sample
,
379 int perf_event__synthesize_mmap_events(struct perf_tool
*tool
,
380 union perf_event
*event
,
381 pid_t pid
, pid_t tgid
,
382 perf_event__handler_t process
,
383 struct machine
*machine
,
386 size_t perf_event__fprintf_comm(union perf_event
*event
, FILE *fp
);
387 size_t perf_event__fprintf_mmap(union perf_event
*event
, FILE *fp
);
388 size_t perf_event__fprintf_mmap2(union perf_event
*event
, FILE *fp
);
389 size_t perf_event__fprintf_task(union perf_event
*event
, FILE *fp
);
390 size_t perf_event__fprintf(union perf_event
*event
, FILE *fp
);
392 u64
kallsyms__get_function_start(const char *kallsyms_filename
,
393 const char *symbol_name
);
395 #endif /* __PERF_RECORD_H */