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 */