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];
162 struct ip_callchain *callchain;
163 struct branch_stack *branch_stack;
164 struct regs_dump user_regs;
165 struct stack_dump user_stack;
166 struct sample_read read;
169 #define PERF_MEM_DATA_SRC_NONE \
170 (PERF_MEM_S(OP, NA) |\
171 PERF_MEM_S(LVL, NA) |\
172 PERF_MEM_S(SNOOP, NA) |\
173 PERF_MEM_S(LOCK, NA) |\
176 struct build_id_event {
177 struct perf_event_header header;
179 u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
183 enum perf_user_event_type { /* above any possible kernel type */
184 PERF_RECORD_USER_TYPE_START = 64,
185 PERF_RECORD_HEADER_ATTR = 64,
186 PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
187 PERF_RECORD_HEADER_TRACING_DATA = 66,
188 PERF_RECORD_HEADER_BUILD_ID = 67,
189 PERF_RECORD_FINISHED_ROUND = 68,
190 PERF_RECORD_ID_INDEX = 69,
191 PERF_RECORD_HEADER_MAX
195 * The kernel collects the number of events it couldn't send in a stretch and
196 * when possible sends this number in a PERF_RECORD_LOST event. The number of
197 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
198 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
199 * the sum of all struct lost_event.lost fields reported.
201 * The total_period is needed because by default auto-freq is used, so
202 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
203 * the total number of low level events, it is necessary to to sum all struct
204 * sample_event.period and stash the result in total_period.
206 struct events_stats {
208 u64 total_non_filtered_period;
210 u64 total_invalid_chains;
211 u32 nr_events[PERF_RECORD_HEADER_MAX];
212 u32 nr_non_filtered_samples;
214 u32 nr_unknown_events;
215 u32 nr_invalid_chains;
217 u32 nr_unprocessable_samples;
221 struct perf_event_header header;
222 struct perf_event_attr attr;
226 #define MAX_EVENT_NAME 64
228 struct perf_trace_event_type {
230 char name[MAX_EVENT_NAME];
233 struct event_type_event {
234 struct perf_event_header header;
235 struct perf_trace_event_type event_type;
238 struct tracing_data_event {
239 struct perf_event_header header;
243 struct id_index_entry {
250 struct id_index_event {
251 struct perf_event_header header;
253 struct id_index_entry entries[0];
257 struct perf_event_header header;
258 struct mmap_event mmap;
259 struct mmap2_event mmap2;
260 struct comm_event comm;
261 struct fork_event fork;
262 struct lost_event lost;
263 struct read_event read;
264 struct throttle_event throttle;
265 struct sample_event sample;
266 struct attr_event attr;
267 struct event_type_event event_type;
268 struct tracing_data_event tracing_data;
269 struct build_id_event build_id;
270 struct id_index_event id_index;
273 void perf_event__print_totals(void);
278 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
279 union perf_event *event,
280 struct perf_sample *sample,
281 struct machine *machine);
283 int perf_event__synthesize_thread_map(struct perf_tool *tool,
284 struct thread_map *threads,
285 perf_event__handler_t process,
286 struct machine *machine, bool mmap_data);
287 int perf_event__synthesize_threads(struct perf_tool *tool,
288 perf_event__handler_t process,
289 struct machine *machine, bool mmap_data);
290 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
291 perf_event__handler_t process,
292 struct machine *machine);
294 int perf_event__synthesize_modules(struct perf_tool *tool,
295 perf_event__handler_t process,
296 struct machine *machine);
298 int perf_event__process_comm(struct perf_tool *tool,
299 union perf_event *event,
300 struct perf_sample *sample,
301 struct machine *machine);
302 int perf_event__process_lost(struct perf_tool *tool,
303 union perf_event *event,
304 struct perf_sample *sample,
305 struct machine *machine);
306 int perf_event__process_mmap(struct perf_tool *tool,
307 union perf_event *event,
308 struct perf_sample *sample,
309 struct machine *machine);
310 int perf_event__process_mmap2(struct perf_tool *tool,
311 union perf_event *event,
312 struct perf_sample *sample,
313 struct machine *machine);
314 int perf_event__process_fork(struct perf_tool *tool,
315 union perf_event *event,
316 struct perf_sample *sample,
317 struct machine *machine);
318 int perf_event__process_exit(struct perf_tool *tool,
319 union perf_event *event,
320 struct perf_sample *sample,
321 struct machine *machine);
322 int perf_event__process(struct perf_tool *tool,
323 union perf_event *event,
324 struct perf_sample *sample,
325 struct machine *machine);
327 struct addr_location;
329 int perf_event__preprocess_sample(const union perf_event *event,
330 struct machine *machine,
331 struct addr_location *al,
332 struct perf_sample *sample);
336 bool is_bts_event(struct perf_event_attr *attr);
337 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
338 void perf_event__preprocess_sample_addr(union perf_event *event,
339 struct perf_sample *sample,
340 struct thread *thread,
341 struct addr_location *al);
343 const char *perf_event__name(unsigned int id);
345 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
347 int perf_event__synthesize_sample(union perf_event *event, u64 type,
349 const struct perf_sample *sample,
352 int perf_event__synthesize_mmap_events(struct perf_tool *tool,
353 union perf_event *event,
354 pid_t pid, pid_t tgid,
355 perf_event__handler_t process,
356 struct machine *machine,
359 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
360 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
361 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
362 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
363 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
365 u64 kallsyms__get_function_start(const char *kallsyms_filename,
366 const char *symbol_name);
368 #endif /* __PERF_RECORD_H */