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_HEADER_MAX
194 * The kernel collects the number of events it couldn't send in a stretch and
195 * when possible sends this number in a PERF_RECORD_LOST event. The number of
196 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
197 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
198 * the sum of all struct lost_event.lost fields reported.
200 * The total_period is needed because by default auto-freq is used, so
201 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
202 * the total number of low level events, it is necessary to to sum all struct
203 * sample_event.period and stash the result in total_period.
205 struct events_stats {
207 u64 total_non_filtered_period;
209 u64 total_invalid_chains;
210 u32 nr_events[PERF_RECORD_HEADER_MAX];
211 u32 nr_non_filtered_samples;
213 u32 nr_unknown_events;
214 u32 nr_invalid_chains;
216 u32 nr_unprocessable_samples;
220 struct perf_event_header header;
221 struct perf_event_attr attr;
225 #define MAX_EVENT_NAME 64
227 struct perf_trace_event_type {
229 char name[MAX_EVENT_NAME];
232 struct event_type_event {
233 struct perf_event_header header;
234 struct perf_trace_event_type event_type;
237 struct tracing_data_event {
238 struct perf_event_header header;
243 struct perf_event_header header;
244 struct mmap_event mmap;
245 struct mmap2_event mmap2;
246 struct comm_event comm;
247 struct fork_event fork;
248 struct lost_event lost;
249 struct read_event read;
250 struct throttle_event throttle;
251 struct sample_event sample;
252 struct attr_event attr;
253 struct event_type_event event_type;
254 struct tracing_data_event tracing_data;
255 struct build_id_event build_id;
258 void perf_event__print_totals(void);
263 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
264 union perf_event *event,
265 struct perf_sample *sample,
266 struct machine *machine);
268 int perf_event__synthesize_thread_map(struct perf_tool *tool,
269 struct thread_map *threads,
270 perf_event__handler_t process,
271 struct machine *machine, bool mmap_data);
272 int perf_event__synthesize_threads(struct perf_tool *tool,
273 perf_event__handler_t process,
274 struct machine *machine, bool mmap_data);
275 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
276 perf_event__handler_t process,
277 struct machine *machine);
279 int perf_event__synthesize_modules(struct perf_tool *tool,
280 perf_event__handler_t process,
281 struct machine *machine);
283 int perf_event__process_comm(struct perf_tool *tool,
284 union perf_event *event,
285 struct perf_sample *sample,
286 struct machine *machine);
287 int perf_event__process_lost(struct perf_tool *tool,
288 union perf_event *event,
289 struct perf_sample *sample,
290 struct machine *machine);
291 int perf_event__process_mmap(struct perf_tool *tool,
292 union perf_event *event,
293 struct perf_sample *sample,
294 struct machine *machine);
295 int perf_event__process_mmap2(struct perf_tool *tool,
296 union perf_event *event,
297 struct perf_sample *sample,
298 struct machine *machine);
299 int perf_event__process_fork(struct perf_tool *tool,
300 union perf_event *event,
301 struct perf_sample *sample,
302 struct machine *machine);
303 int perf_event__process_exit(struct perf_tool *tool,
304 union perf_event *event,
305 struct perf_sample *sample,
306 struct machine *machine);
307 int perf_event__process(struct perf_tool *tool,
308 union perf_event *event,
309 struct perf_sample *sample,
310 struct machine *machine);
312 struct addr_location;
314 int perf_event__preprocess_sample(const union perf_event *event,
315 struct machine *machine,
316 struct addr_location *al,
317 struct perf_sample *sample);
321 bool is_bts_event(struct perf_event_attr *attr);
322 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
323 void perf_event__preprocess_sample_addr(union perf_event *event,
324 struct perf_sample *sample,
325 struct machine *machine,
326 struct thread *thread,
327 struct addr_location *al);
329 const char *perf_event__name(unsigned int id);
331 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
333 int perf_event__synthesize_sample(union perf_event *event, u64 type,
335 const struct perf_sample *sample,
338 int perf_event__synthesize_mmap_events(struct perf_tool *tool,
339 union perf_event *event,
340 pid_t pid, pid_t tgid,
341 perf_event__handler_t process,
342 struct machine *machine,
345 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
346 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
347 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
348 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
349 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
351 u64 kallsyms__get_function_start(const char *kallsyms_filename,
352 const char *symbol_name);
354 #endif /* __PERF_RECORD_H */