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2025cf9e | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
718c602d AH |
2 | /* |
3 | * auxtrace.h: AUX area trace support | |
4 | * Copyright (c) 2013-2015, Intel Corporation. | |
718c602d AH |
5 | */ |
6 | ||
7 | #ifndef __PERF_AUXTRACE_H | |
8 | #define __PERF_AUXTRACE_H | |
9 | ||
10 | #include <sys/types.h> | |
a43783ae | 11 | #include <errno.h> |
718c602d | 12 | #include <stdbool.h> |
9e0cc4fe | 13 | #include <stddef.h> |
ea49e01c | 14 | #include <stdio.h> // FILE |
e5027893 | 15 | #include <linux/list.h> |
718c602d AH |
16 | #include <linux/perf_event.h> |
17 | #include <linux/types.h> | |
291ed51d | 18 | #include <asm/bitsperlong.h> |
91854f9a | 19 | #include <asm/barrier.h> |
718c602d | 20 | |
9e0cc4fe AH |
21 | union perf_event; |
22 | struct perf_session; | |
63503dba | 23 | struct evlist; |
9e0cc4fe | 24 | struct perf_tool; |
e035f4ca | 25 | struct perf_mmap; |
bd23ac11 | 26 | struct perf_sample; |
f6986c95 | 27 | struct option; |
9e0cc4fe | 28 | struct record_opts; |
ea49e01c | 29 | struct perf_record_auxtrace_error; |
72932371 | 30 | struct perf_record_auxtrace_info; |
85ed4729 | 31 | struct events_stats; |
718c602d | 32 | |
47729258 ACM |
33 | enum auxtrace_error_type { |
34 | PERF_AUXTRACE_ERROR_ITRACE = 1, | |
35 | PERF_AUXTRACE_ERROR_MAX | |
36 | }; | |
37 | ||
c3fcadf0 AH |
38 | /* Auxtrace records must have the same alignment as perf event records */ |
39 | #define PERF_AUXTRACE_RECORD_ALIGNMENT 8 | |
40 | ||
73f75fb1 AH |
41 | enum auxtrace_type { |
42 | PERF_AUXTRACE_UNKNOWN, | |
55ea4ab4 | 43 | PERF_AUXTRACE_INTEL_PT, |
d0170af7 | 44 | PERF_AUXTRACE_INTEL_BTS, |
a818c563 | 45 | PERF_AUXTRACE_CS_ETM, |
ffd3d18c | 46 | PERF_AUXTRACE_ARM_SPE, |
b96e6615 | 47 | PERF_AUXTRACE_S390_CPUMSF, |
73f75fb1 AH |
48 | }; |
49 | ||
f6986c95 AH |
50 | enum itrace_period_type { |
51 | PERF_ITRACE_PERIOD_INSTRUCTIONS, | |
52 | PERF_ITRACE_PERIOD_TICKS, | |
53 | PERF_ITRACE_PERIOD_NANOSECS, | |
54 | }; | |
55 | ||
56 | /** | |
57 | * struct itrace_synth_opts - AUX area tracing synthesis options. | |
58 | * @set: indicates whether or not options have been set | |
4eb06815 | 59 | * @default_no_sample: Default to no sampling. |
f6986c95 AH |
60 | * @inject: indicates the event (not just the sample) must be fully synthesized |
61 | * because 'perf inject' will write it out | |
62 | * @instructions: whether to synthesize 'instructions' events | |
63 | * @branches: whether to synthesize 'branches' events | |
53c76b0e | 64 | * @transactions: whether to synthesize events for transactions |
3bdafdff | 65 | * @ptwrites: whether to synthesize events for ptwrites |
70d110d7 | 66 | * @pwr_events: whether to synthesize power events |
181ebb5e AH |
67 | * @other_events: whether to synthesize other events recorded due to the use of |
68 | * aux_output | |
f6986c95 AH |
69 | * @errors: whether to synthesize decoder error events |
70 | * @dont_decode: whether to skip decoding entirely | |
71 | * @log: write a decoding log | |
72 | * @calls: limit branch samples to calls (can be combined with @returns) | |
73 | * @returns: limit branch samples to returns (can be combined with @calls) | |
74 | * @callchain: add callchain to 'instructions' events | |
50f73637 | 75 | * @thread_stack: feed branches to the thread_stack |
601897b5 | 76 | * @last_branch: add branch context to 'instruction' events |
f6986c95 | 77 | * @callchain_sz: maximum callchain size |
601897b5 | 78 | * @last_branch_sz: branch context size |
f6986c95 AH |
79 | * @period: 'instructions' events period |
80 | * @period_type: 'instructions' events period type | |
d1706b39 | 81 | * @initial_skip: skip N events at the beginning. |
644e0840 | 82 | * @cpu_bitmap: CPUs for which to synthesize events, or NULL for all |
33526f36 AH |
83 | * @ptime_range: time intervals to trace or NULL |
84 | * @range_num: number of time intervals to trace | |
f6986c95 AH |
85 | */ |
86 | struct itrace_synth_opts { | |
87 | bool set; | |
4eb06815 | 88 | bool default_no_sample; |
f6986c95 AH |
89 | bool inject; |
90 | bool instructions; | |
91 | bool branches; | |
53c76b0e | 92 | bool transactions; |
3bdafdff | 93 | bool ptwrites; |
70d110d7 | 94 | bool pwr_events; |
181ebb5e | 95 | bool other_events; |
f6986c95 AH |
96 | bool errors; |
97 | bool dont_decode; | |
98 | bool log; | |
99 | bool calls; | |
100 | bool returns; | |
101 | bool callchain; | |
50f73637 | 102 | bool thread_stack; |
601897b5 | 103 | bool last_branch; |
f6986c95 | 104 | unsigned int callchain_sz; |
601897b5 | 105 | unsigned int last_branch_sz; |
f6986c95 AH |
106 | unsigned long long period; |
107 | enum itrace_period_type period_type; | |
d1706b39 | 108 | unsigned long initial_skip; |
644e0840 | 109 | unsigned long *cpu_bitmap; |
33526f36 AH |
110 | struct perf_time_interval *ptime_range; |
111 | int range_num; | |
f6986c95 AH |
112 | }; |
113 | ||
99fa2984 AH |
114 | /** |
115 | * struct auxtrace_index_entry - indexes a AUX area tracing event within a | |
116 | * perf.data file. | |
117 | * @file_offset: offset within the perf.data file | |
118 | * @sz: size of the event | |
119 | */ | |
120 | struct auxtrace_index_entry { | |
121 | u64 file_offset; | |
122 | u64 sz; | |
123 | }; | |
124 | ||
125 | #define PERF_AUXTRACE_INDEX_ENTRY_COUNT 256 | |
126 | ||
127 | /** | |
128 | * struct auxtrace_index - index of AUX area tracing events within a perf.data | |
129 | * file. | |
130 | * @list: linking a number of arrays of entries | |
131 | * @nr: number of entries | |
132 | * @entries: array of entries | |
133 | */ | |
134 | struct auxtrace_index { | |
135 | struct list_head list; | |
136 | size_t nr; | |
137 | struct auxtrace_index_entry entries[PERF_AUXTRACE_INDEX_ENTRY_COUNT]; | |
138 | }; | |
139 | ||
c446870d AH |
140 | /** |
141 | * struct auxtrace - session callbacks to allow AUX area data decoding. | |
142 | * @process_event: lets the decoder see all session events | |
b818ec61 | 143 | * @process_auxtrace_event: process a PERF_RECORD_AUXTRACE event |
c446870d AH |
144 | * @flush_events: process any remaining data |
145 | * @free_events: free resources associated with event processing | |
146 | * @free: free resources associated with the session | |
147 | */ | |
148 | struct auxtrace { | |
149 | int (*process_event)(struct perf_session *session, | |
150 | union perf_event *event, | |
151 | struct perf_sample *sample, | |
152 | struct perf_tool *tool); | |
73f75fb1 AH |
153 | int (*process_auxtrace_event)(struct perf_session *session, |
154 | union perf_event *event, | |
155 | struct perf_tool *tool); | |
c446870d AH |
156 | int (*flush_events)(struct perf_session *session, |
157 | struct perf_tool *tool); | |
158 | void (*free_events)(struct perf_session *session); | |
159 | void (*free)(struct perf_session *session); | |
160 | }; | |
161 | ||
e5027893 AH |
162 | /** |
163 | * struct auxtrace_buffer - a buffer containing AUX area tracing data. | |
164 | * @list: buffers are queued in a list held by struct auxtrace_queue | |
165 | * @size: size of the buffer in bytes | |
166 | * @pid: in per-thread mode, the pid this buffer is associated with | |
167 | * @tid: in per-thread mode, the tid this buffer is associated with | |
168 | * @cpu: in per-cpu mode, the cpu this buffer is associated with | |
169 | * @data: actual buffer data (can be null if the data has not been loaded) | |
170 | * @data_offset: file offset at which the buffer can be read | |
171 | * @mmap_addr: mmap address at which the buffer can be read | |
172 | * @mmap_size: size of the mmap at @mmap_addr | |
173 | * @data_needs_freeing: @data was malloc'd so free it when it is no longer | |
174 | * needed | |
175 | * @consecutive: the original data was split up and this buffer is consecutive | |
176 | * to the previous buffer | |
177 | * @offset: offset as determined by aux_head / aux_tail members of struct | |
178 | * perf_event_mmap_page | |
179 | * @reference: an implementation-specific reference determined when the data is | |
180 | * recorded | |
181 | * @buffer_nr: used to number each buffer | |
182 | * @use_size: implementation actually only uses this number of bytes | |
183 | * @use_data: implementation actually only uses data starting at this address | |
184 | */ | |
185 | struct auxtrace_buffer { | |
186 | struct list_head list; | |
187 | size_t size; | |
188 | pid_t pid; | |
189 | pid_t tid; | |
190 | int cpu; | |
191 | void *data; | |
192 | off_t data_offset; | |
193 | void *mmap_addr; | |
194 | size_t mmap_size; | |
195 | bool data_needs_freeing; | |
196 | bool consecutive; | |
197 | u64 offset; | |
198 | u64 reference; | |
199 | u64 buffer_nr; | |
200 | size_t use_size; | |
201 | void *use_data; | |
202 | }; | |
203 | ||
204 | /** | |
205 | * struct auxtrace_queue - a queue of AUX area tracing data buffers. | |
206 | * @head: head of buffer list | |
207 | * @tid: in per-thread mode, the tid this queue is associated with | |
208 | * @cpu: in per-cpu mode, the cpu this queue is associated with | |
209 | * @set: %true once this queue has been dedicated to a specific thread or cpu | |
210 | * @priv: implementation-specific data | |
211 | */ | |
212 | struct auxtrace_queue { | |
213 | struct list_head head; | |
214 | pid_t tid; | |
215 | int cpu; | |
216 | bool set; | |
217 | void *priv; | |
218 | }; | |
219 | ||
220 | /** | |
221 | * struct auxtrace_queues - an array of AUX area tracing queues. | |
222 | * @queue_array: array of queues | |
223 | * @nr_queues: number of queues | |
224 | * @new_data: set whenever new data is queued | |
225 | * @populated: queues have been fully populated using the auxtrace_index | |
226 | * @next_buffer_nr: used to number each buffer | |
227 | */ | |
228 | struct auxtrace_queues { | |
229 | struct auxtrace_queue *queue_array; | |
230 | unsigned int nr_queues; | |
231 | bool new_data; | |
232 | bool populated; | |
233 | u64 next_buffer_nr; | |
234 | }; | |
235 | ||
f9397155 AH |
236 | /** |
237 | * struct auxtrace_heap_item - element of struct auxtrace_heap. | |
238 | * @queue_nr: queue number | |
239 | * @ordinal: value used for sorting (lowest ordinal is top of the heap) expected | |
240 | * to be a timestamp | |
241 | */ | |
242 | struct auxtrace_heap_item { | |
243 | unsigned int queue_nr; | |
244 | u64 ordinal; | |
245 | }; | |
246 | ||
247 | /** | |
248 | * struct auxtrace_heap - a heap suitable for sorting AUX area tracing queues. | |
249 | * @heap_array: the heap | |
250 | * @heap_cnt: the number of elements in the heap | |
251 | * @heap_sz: maximum number of elements (grows as needed) | |
252 | */ | |
253 | struct auxtrace_heap { | |
254 | struct auxtrace_heap_item *heap_array; | |
255 | unsigned int heap_cnt; | |
256 | unsigned int heap_sz; | |
257 | }; | |
258 | ||
718c602d AH |
259 | /** |
260 | * struct auxtrace_mmap - records an mmap of the auxtrace buffer. | |
261 | * @base: address of mapped area | |
262 | * @userpg: pointer to buffer's perf_event_mmap_page | |
263 | * @mask: %0 if @len is not a power of two, otherwise (@len - %1) | |
264 | * @len: size of mapped area | |
265 | * @prev: previous aux_head | |
266 | * @idx: index of this mmap | |
267 | * @tid: tid for a per-thread mmap (also set if there is only 1 tid on a per-cpu | |
268 | * mmap) otherwise %0 | |
269 | * @cpu: cpu number for a per-cpu mmap otherwise %-1 | |
270 | */ | |
271 | struct auxtrace_mmap { | |
272 | void *base; | |
273 | void *userpg; | |
274 | size_t mask; | |
275 | size_t len; | |
276 | u64 prev; | |
277 | int idx; | |
278 | pid_t tid; | |
279 | int cpu; | |
280 | }; | |
281 | ||
282 | /** | |
283 | * struct auxtrace_mmap_params - parameters to set up struct auxtrace_mmap. | |
284 | * @mask: %0 if @len is not a power of two, otherwise (@len - %1) | |
285 | * @offset: file offset of mapped area | |
286 | * @len: size of mapped area | |
287 | * @prot: mmap memory protection | |
288 | * @idx: index of this mmap | |
289 | * @tid: tid for a per-thread mmap (also set if there is only 1 tid on a per-cpu | |
290 | * mmap) otherwise %0 | |
291 | * @cpu: cpu number for a per-cpu mmap otherwise %-1 | |
292 | */ | |
293 | struct auxtrace_mmap_params { | |
294 | size_t mask; | |
295 | off_t offset; | |
296 | size_t len; | |
297 | int prot; | |
298 | int idx; | |
299 | pid_t tid; | |
300 | int cpu; | |
301 | }; | |
302 | ||
9e0cc4fe AH |
303 | /** |
304 | * struct auxtrace_record - callbacks for recording AUX area data. | |
305 | * @recording_options: validate and process recording options | |
306 | * @info_priv_size: return the size of the private data in auxtrace_info_event | |
307 | * @info_fill: fill-in the private data in auxtrace_info_event | |
308 | * @free: free this auxtrace record structure | |
d20031bb AH |
309 | * @snapshot_start: starting a snapshot |
310 | * @snapshot_finish: finishing a snapshot | |
311 | * @find_snapshot: find data to snapshot within auxtrace mmap | |
312 | * @parse_snapshot_options: parse snapshot options | |
9e0cc4fe AH |
313 | * @reference: provide a 64-bit reference number for auxtrace_event |
314 | * @read_finish: called after reading from an auxtrace mmap | |
b818ec61 | 315 | * @alignment: alignment (if any) for AUX area data |
9e0cc4fe AH |
316 | */ |
317 | struct auxtrace_record { | |
318 | int (*recording_options)(struct auxtrace_record *itr, | |
63503dba | 319 | struct evlist *evlist, |
9e0cc4fe | 320 | struct record_opts *opts); |
14a05e13 | 321 | size_t (*info_priv_size)(struct auxtrace_record *itr, |
63503dba | 322 | struct evlist *evlist); |
9e0cc4fe AH |
323 | int (*info_fill)(struct auxtrace_record *itr, |
324 | struct perf_session *session, | |
72932371 | 325 | struct perf_record_auxtrace_info *auxtrace_info, |
9e0cc4fe AH |
326 | size_t priv_size); |
327 | void (*free)(struct auxtrace_record *itr); | |
d20031bb AH |
328 | int (*snapshot_start)(struct auxtrace_record *itr); |
329 | int (*snapshot_finish)(struct auxtrace_record *itr); | |
330 | int (*find_snapshot)(struct auxtrace_record *itr, int idx, | |
331 | struct auxtrace_mmap *mm, unsigned char *data, | |
332 | u64 *head, u64 *old); | |
333 | int (*parse_snapshot_options)(struct auxtrace_record *itr, | |
334 | struct record_opts *opts, | |
335 | const char *str); | |
9e0cc4fe AH |
336 | u64 (*reference)(struct auxtrace_record *itr); |
337 | int (*read_finish)(struct auxtrace_record *itr, int idx); | |
83b2ea25 | 338 | unsigned int alignment; |
9e0cc4fe AH |
339 | }; |
340 | ||
1b36c03e AH |
341 | /** |
342 | * struct addr_filter - address filter. | |
343 | * @list: list node | |
344 | * @range: true if it is a range filter | |
345 | * @start: true if action is 'filter' or 'start' | |
346 | * @action: 'filter', 'start' or 'stop' ('tracestop' is accepted but converted | |
347 | * to 'stop') | |
348 | * @sym_from: symbol name for the filter address | |
349 | * @sym_to: symbol name that determines the filter size | |
350 | * @sym_from_idx: selects n'th from symbols with the same name (0 means global | |
351 | * and less than 0 means symbol must be unique) | |
352 | * @sym_to_idx: same as @sym_from_idx but for @sym_to | |
353 | * @addr: filter address | |
354 | * @size: filter region size (for range filters) | |
355 | * @filename: DSO file name or NULL for the kernel | |
356 | * @str: allocated string that contains the other string members | |
357 | */ | |
358 | struct addr_filter { | |
359 | struct list_head list; | |
360 | bool range; | |
361 | bool start; | |
362 | const char *action; | |
363 | const char *sym_from; | |
364 | const char *sym_to; | |
365 | int sym_from_idx; | |
366 | int sym_to_idx; | |
367 | u64 addr; | |
368 | u64 size; | |
369 | const char *filename; | |
370 | char *str; | |
371 | }; | |
372 | ||
373 | /** | |
374 | * struct addr_filters - list of address filters. | |
375 | * @head: list of address filters | |
376 | * @cnt: number of address filters | |
377 | */ | |
378 | struct addr_filters { | |
379 | struct list_head head; | |
380 | int cnt; | |
381 | }; | |
382 | ||
f2a39fe8 ACM |
383 | struct auxtrace_cache; |
384 | ||
e31f0d01 AH |
385 | #ifdef HAVE_AUXTRACE_SUPPORT |
386 | ||
d20031bb AH |
387 | /* |
388 | * In snapshot mode the mmapped page is read-only which makes using | |
389 | * __sync_val_compare_and_swap() problematic. However, snapshot mode expects | |
390 | * the buffer is not updated while the snapshot is made (e.g. Intel PT disables | |
391 | * the event) so there is not a race anyway. | |
392 | */ | |
393 | static inline u64 auxtrace_mmap__read_snapshot_head(struct auxtrace_mmap *mm) | |
394 | { | |
395 | struct perf_event_mmap_page *pc = mm->userpg; | |
6aa7de05 | 396 | u64 head = READ_ONCE(pc->aux_head); |
d20031bb AH |
397 | |
398 | /* Ensure all reads are done after we read the head */ | |
399 | rmb(); | |
400 | return head; | |
401 | } | |
402 | ||
718c602d AH |
403 | static inline u64 auxtrace_mmap__read_head(struct auxtrace_mmap *mm) |
404 | { | |
405 | struct perf_event_mmap_page *pc = mm->userpg; | |
406 | #if BITS_PER_LONG == 64 || !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) | |
6aa7de05 | 407 | u64 head = READ_ONCE(pc->aux_head); |
718c602d AH |
408 | #else |
409 | u64 head = __sync_val_compare_and_swap(&pc->aux_head, 0, 0); | |
410 | #endif | |
411 | ||
412 | /* Ensure all reads are done after we read the head */ | |
413 | rmb(); | |
414 | return head; | |
415 | } | |
416 | ||
417 | static inline void auxtrace_mmap__write_tail(struct auxtrace_mmap *mm, u64 tail) | |
418 | { | |
419 | struct perf_event_mmap_page *pc = mm->userpg; | |
420 | #if BITS_PER_LONG != 64 && defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) | |
421 | u64 old_tail; | |
422 | #endif | |
423 | ||
424 | /* Ensure all reads are done before we write the tail out */ | |
425 | mb(); | |
426 | #if BITS_PER_LONG == 64 || !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) | |
427 | pc->aux_tail = tail; | |
428 | #else | |
429 | do { | |
430 | old_tail = __sync_val_compare_and_swap(&pc->aux_tail, 0, 0); | |
431 | } while (!__sync_bool_compare_and_swap(&pc->aux_tail, old_tail, tail)); | |
432 | #endif | |
433 | } | |
434 | ||
435 | int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, | |
436 | struct auxtrace_mmap_params *mp, | |
437 | void *userpg, int fd); | |
438 | void auxtrace_mmap__munmap(struct auxtrace_mmap *mm); | |
439 | void auxtrace_mmap_params__init(struct auxtrace_mmap_params *mp, | |
440 | off_t auxtrace_offset, | |
441 | unsigned int auxtrace_pages, | |
442 | bool auxtrace_overwrite); | |
443 | void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp, | |
63503dba | 444 | struct evlist *evlist, int idx, |
718c602d AH |
445 | bool per_cpu); |
446 | ||
9e0cc4fe | 447 | typedef int (*process_auxtrace_t)(struct perf_tool *tool, |
ded2b8fe | 448 | struct perf_mmap *map, |
9e0cc4fe AH |
449 | union perf_event *event, void *data1, |
450 | size_t len1, void *data2, size_t len2); | |
451 | ||
e035f4ca | 452 | int auxtrace_mmap__read(struct perf_mmap *map, struct auxtrace_record *itr, |
9e0cc4fe AH |
453 | struct perf_tool *tool, process_auxtrace_t fn); |
454 | ||
e035f4ca | 455 | int auxtrace_mmap__read_snapshot(struct perf_mmap *map, |
d20031bb AH |
456 | struct auxtrace_record *itr, |
457 | struct perf_tool *tool, process_auxtrace_t fn, | |
458 | size_t snapshot_size); | |
459 | ||
e5027893 AH |
460 | int auxtrace_queues__init(struct auxtrace_queues *queues); |
461 | int auxtrace_queues__add_event(struct auxtrace_queues *queues, | |
462 | struct perf_session *session, | |
463 | union perf_event *event, off_t data_offset, | |
464 | struct auxtrace_buffer **buffer_ptr); | |
465 | void auxtrace_queues__free(struct auxtrace_queues *queues); | |
99fa2984 AH |
466 | int auxtrace_queues__process_index(struct auxtrace_queues *queues, |
467 | struct perf_session *session); | |
e5027893 AH |
468 | struct auxtrace_buffer *auxtrace_buffer__next(struct auxtrace_queue *queue, |
469 | struct auxtrace_buffer *buffer); | |
470 | void *auxtrace_buffer__get_data(struct auxtrace_buffer *buffer, int fd); | |
471 | void auxtrace_buffer__put_data(struct auxtrace_buffer *buffer); | |
472 | void auxtrace_buffer__drop_data(struct auxtrace_buffer *buffer); | |
473 | void auxtrace_buffer__free(struct auxtrace_buffer *buffer); | |
f9397155 AH |
474 | |
475 | int auxtrace_heap__add(struct auxtrace_heap *heap, unsigned int queue_nr, | |
476 | u64 ordinal); | |
477 | void auxtrace_heap__pop(struct auxtrace_heap *heap); | |
478 | void auxtrace_heap__free(struct auxtrace_heap *heap); | |
479 | ||
c3278f02 AH |
480 | struct auxtrace_cache_entry { |
481 | struct hlist_node hash; | |
482 | u32 key; | |
483 | }; | |
484 | ||
485 | struct auxtrace_cache *auxtrace_cache__new(unsigned int bits, size_t entry_size, | |
486 | unsigned int limit_percent); | |
487 | void auxtrace_cache__free(struct auxtrace_cache *auxtrace_cache); | |
488 | void *auxtrace_cache__alloc_entry(struct auxtrace_cache *c); | |
489 | void auxtrace_cache__free_entry(struct auxtrace_cache *c, void *entry); | |
490 | int auxtrace_cache__add(struct auxtrace_cache *c, u32 key, | |
491 | struct auxtrace_cache_entry *entry); | |
492 | void *auxtrace_cache__lookup(struct auxtrace_cache *c, u32 key); | |
493 | ||
63503dba | 494 | struct auxtrace_record *auxtrace_record__init(struct evlist *evlist, |
9e0cc4fe AH |
495 | int *err); |
496 | ||
d20031bb AH |
497 | int auxtrace_parse_snapshot_options(struct auxtrace_record *itr, |
498 | struct record_opts *opts, | |
499 | const char *str); | |
9e0cc4fe | 500 | int auxtrace_record__options(struct auxtrace_record *itr, |
63503dba | 501 | struct evlist *evlist, |
9e0cc4fe | 502 | struct record_opts *opts); |
14a05e13 | 503 | size_t auxtrace_record__info_priv_size(struct auxtrace_record *itr, |
63503dba | 504 | struct evlist *evlist); |
9e0cc4fe AH |
505 | int auxtrace_record__info_fill(struct auxtrace_record *itr, |
506 | struct perf_session *session, | |
72932371 | 507 | struct perf_record_auxtrace_info *auxtrace_info, |
9e0cc4fe AH |
508 | size_t priv_size); |
509 | void auxtrace_record__free(struct auxtrace_record *itr); | |
d20031bb | 510 | int auxtrace_record__snapshot_start(struct auxtrace_record *itr); |
ce7b0e42 | 511 | int auxtrace_record__snapshot_finish(struct auxtrace_record *itr, bool on_exit); |
d20031bb AH |
512 | int auxtrace_record__find_snapshot(struct auxtrace_record *itr, int idx, |
513 | struct auxtrace_mmap *mm, | |
514 | unsigned char *data, u64 *head, u64 *old); | |
9e0cc4fe AH |
515 | u64 auxtrace_record__reference(struct auxtrace_record *itr); |
516 | ||
99fa2984 AH |
517 | int auxtrace_index__auxtrace_event(struct list_head *head, union perf_event *event, |
518 | off_t file_offset); | |
519 | int auxtrace_index__write(int fd, struct list_head *head); | |
520 | int auxtrace_index__process(int fd, u64 size, struct perf_session *session, | |
521 | bool needs_swap); | |
522 | void auxtrace_index__free(struct list_head *head); | |
523 | ||
72932371 | 524 | void auxtrace_synth_error(struct perf_record_auxtrace_error *auxtrace_error, int type, |
85ed4729 | 525 | int code, int cpu, pid_t pid, pid_t tid, u64 ip, |
16bd4321 | 526 | const char *msg, u64 timestamp); |
85ed4729 | 527 | |
89f1688a JO |
528 | int perf_event__process_auxtrace_info(struct perf_session *session, |
529 | union perf_event *event); | |
7336555a JO |
530 | s64 perf_event__process_auxtrace(struct perf_session *session, |
531 | union perf_event *event); | |
89f1688a JO |
532 | int perf_event__process_auxtrace_error(struct perf_session *session, |
533 | union perf_event *event); | |
f6986c95 AH |
534 | int itrace_parse_synth_opts(const struct option *opt, const char *str, |
535 | int unset); | |
4eb06815 AK |
536 | void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts, |
537 | bool no_sample); | |
9e0cc4fe | 538 | |
85ed4729 AH |
539 | size_t perf_event__fprintf_auxtrace_error(union perf_event *event, FILE *fp); |
540 | void perf_session__auxtrace_error_inc(struct perf_session *session, | |
541 | union perf_event *event); | |
542 | void events_stats__auxtrace_error_warn(const struct events_stats *stats); | |
543 | ||
1b36c03e AH |
544 | void addr_filters__init(struct addr_filters *filts); |
545 | void addr_filters__exit(struct addr_filters *filts); | |
546 | int addr_filters__parse_bare_filter(struct addr_filters *filts, | |
547 | const char *filter); | |
63503dba | 548 | int auxtrace_parse_filters(struct evlist *evlist); |
1b36c03e | 549 | |
f2a39fe8 ACM |
550 | int auxtrace__process_event(struct perf_session *session, union perf_event *event, |
551 | struct perf_sample *sample, struct perf_tool *tool); | |
552 | int auxtrace__flush_events(struct perf_session *session, struct perf_tool *tool); | |
553 | void auxtrace__free_events(struct perf_session *session); | |
554 | void auxtrace__free(struct perf_session *session); | |
c446870d | 555 | |
c12e039d AK |
556 | #define ITRACE_HELP \ |
557 | " i: synthesize instructions events\n" \ | |
558 | " b: synthesize branches events\n" \ | |
559 | " c: synthesize branches events (calls only)\n" \ | |
560 | " r: synthesize branches events (returns only)\n" \ | |
561 | " x: synthesize transactions events\n" \ | |
562 | " w: synthesize ptwrite events\n" \ | |
563 | " p: synthesize power events\n" \ | |
564 | " e: synthesize error events\n" \ | |
565 | " d: create a debug log\n" \ | |
566 | " g[len]: synthesize a call chain (use with i or x)\n" \ | |
567 | " l[len]: synthesize last branch entries (use with i or x)\n" \ | |
568 | " sNUMBER: skip initial number of events\n" \ | |
569 | " PERIOD[ns|us|ms|i|t]: specify period to sample stream\n" \ | |
570 | " concatenate multiple options. Default is ibxwpe or cewp\n" | |
571 | ||
33526f36 AH |
572 | static inline |
573 | void itrace_synth_opts__set_time_range(struct itrace_synth_opts *opts, | |
574 | struct perf_time_interval *ptime_range, | |
575 | int range_num) | |
576 | { | |
577 | opts->ptime_range = ptime_range; | |
578 | opts->range_num = range_num; | |
579 | } | |
580 | ||
581 | static inline | |
582 | void itrace_synth_opts__clear_time_range(struct itrace_synth_opts *opts) | |
583 | { | |
584 | opts->ptime_range = NULL; | |
585 | opts->range_num = 0; | |
586 | } | |
c12e039d | 587 | |
e31f0d01 | 588 | #else |
b4209025 | 589 | #include "debug.h" |
e31f0d01 AH |
590 | |
591 | static inline struct auxtrace_record * | |
63503dba | 592 | auxtrace_record__init(struct evlist *evlist __maybe_unused, |
b8f8eb84 | 593 | int *err) |
e31f0d01 AH |
594 | { |
595 | *err = 0; | |
596 | return NULL; | |
597 | } | |
598 | ||
599 | static inline | |
600 | void auxtrace_record__free(struct auxtrace_record *itr __maybe_unused) | |
601 | { | |
602 | } | |
603 | ||
e31f0d01 AH |
604 | static inline |
605 | int auxtrace_record__options(struct auxtrace_record *itr __maybe_unused, | |
63503dba | 606 | struct evlist *evlist __maybe_unused, |
e31f0d01 AH |
607 | struct record_opts *opts __maybe_unused) |
608 | { | |
609 | return 0; | |
610 | } | |
611 | ||
612 | #define perf_event__process_auxtrace_info 0 | |
613 | #define perf_event__process_auxtrace 0 | |
614 | #define perf_event__process_auxtrace_error 0 | |
615 | ||
616 | static inline | |
617 | void perf_session__auxtrace_error_inc(struct perf_session *session | |
618 | __maybe_unused, | |
619 | union perf_event *event | |
620 | __maybe_unused) | |
621 | { | |
622 | } | |
623 | ||
624 | static inline | |
625 | void events_stats__auxtrace_error_warn(const struct events_stats *stats | |
626 | __maybe_unused) | |
627 | { | |
628 | } | |
629 | ||
630 | static inline | |
631 | int itrace_parse_synth_opts(const struct option *opt __maybe_unused, | |
632 | const char *str __maybe_unused, | |
633 | int unset __maybe_unused) | |
634 | { | |
635 | pr_err("AUX area tracing not supported\n"); | |
636 | return -EINVAL; | |
637 | } | |
638 | ||
2dd6d8a1 AH |
639 | static inline |
640 | int auxtrace_parse_snapshot_options(struct auxtrace_record *itr __maybe_unused, | |
641 | struct record_opts *opts __maybe_unused, | |
642 | const char *str) | |
643 | { | |
644 | if (!str) | |
645 | return 0; | |
646 | pr_err("AUX area tracing not supported\n"); | |
647 | return -EINVAL; | |
648 | } | |
649 | ||
e31f0d01 AH |
650 | static inline |
651 | int auxtrace__process_event(struct perf_session *session __maybe_unused, | |
652 | union perf_event *event __maybe_unused, | |
653 | struct perf_sample *sample __maybe_unused, | |
654 | struct perf_tool *tool __maybe_unused) | |
655 | { | |
656 | return 0; | |
657 | } | |
658 | ||
659 | static inline | |
660 | int auxtrace__flush_events(struct perf_session *session __maybe_unused, | |
661 | struct perf_tool *tool __maybe_unused) | |
662 | { | |
663 | return 0; | |
664 | } | |
665 | ||
666 | static inline | |
667 | void auxtrace__free_events(struct perf_session *session __maybe_unused) | |
668 | { | |
669 | } | |
670 | ||
671 | static inline | |
672 | void auxtrace_cache__free(struct auxtrace_cache *auxtrace_cache __maybe_unused) | |
673 | { | |
674 | } | |
675 | ||
676 | static inline | |
677 | void auxtrace__free(struct perf_session *session __maybe_unused) | |
678 | { | |
679 | } | |
680 | ||
681 | static inline | |
682 | int auxtrace_index__write(int fd __maybe_unused, | |
683 | struct list_head *head __maybe_unused) | |
684 | { | |
685 | return -EINVAL; | |
686 | } | |
687 | ||
688 | static inline | |
689 | int auxtrace_index__process(int fd __maybe_unused, | |
690 | u64 size __maybe_unused, | |
691 | struct perf_session *session __maybe_unused, | |
692 | bool needs_swap __maybe_unused) | |
693 | { | |
694 | return -EINVAL; | |
695 | } | |
696 | ||
697 | static inline | |
698 | void auxtrace_index__free(struct list_head *head __maybe_unused) | |
699 | { | |
700 | } | |
701 | ||
1b36c03e | 702 | static inline |
63503dba | 703 | int auxtrace_parse_filters(struct evlist *evlist __maybe_unused) |
1b36c03e AH |
704 | { |
705 | return 0; | |
706 | } | |
707 | ||
e31f0d01 AH |
708 | int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, |
709 | struct auxtrace_mmap_params *mp, | |
710 | void *userpg, int fd); | |
711 | void auxtrace_mmap__munmap(struct auxtrace_mmap *mm); | |
712 | void auxtrace_mmap_params__init(struct auxtrace_mmap_params *mp, | |
713 | off_t auxtrace_offset, | |
714 | unsigned int auxtrace_pages, | |
715 | bool auxtrace_overwrite); | |
716 | void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp, | |
63503dba | 717 | struct evlist *evlist, int idx, |
e31f0d01 AH |
718 | bool per_cpu); |
719 | ||
c12e039d AK |
720 | #define ITRACE_HELP "" |
721 | ||
33526f36 AH |
722 | static inline |
723 | void itrace_synth_opts__set_time_range(struct itrace_synth_opts *opts | |
724 | __maybe_unused, | |
725 | struct perf_time_interval *ptime_range | |
726 | __maybe_unused, | |
727 | int range_num __maybe_unused) | |
728 | { | |
729 | } | |
730 | ||
731 | static inline | |
732 | void itrace_synth_opts__clear_time_range(struct itrace_synth_opts *opts | |
733 | __maybe_unused) | |
734 | { | |
735 | } | |
736 | ||
e31f0d01 AH |
737 | #endif |
738 | ||
718c602d | 739 | #endif |