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718c602d AH |
1 | /* |
2 | * auxtrace.h: AUX area trace support | |
3 | * Copyright (c) 2013-2015, Intel Corporation. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms and conditions of the GNU General Public License, | |
7 | * version 2, as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | */ | |
15 | ||
16 | #ifndef __PERF_AUXTRACE_H | |
17 | #define __PERF_AUXTRACE_H | |
18 | ||
19 | #include <sys/types.h> | |
a43783ae | 20 | #include <errno.h> |
718c602d | 21 | #include <stdbool.h> |
9e0cc4fe | 22 | #include <stddef.h> |
e5027893 | 23 | #include <linux/list.h> |
718c602d AH |
24 | #include <linux/perf_event.h> |
25 | #include <linux/types.h> | |
26 | ||
27 | #include "../perf.h" | |
85ed4729 | 28 | #include "event.h" |
c446870d | 29 | #include "session.h" |
e31f0d01 | 30 | #include "debug.h" |
718c602d | 31 | |
9e0cc4fe AH |
32 | union perf_event; |
33 | struct perf_session; | |
718c602d | 34 | struct perf_evlist; |
9e0cc4fe | 35 | struct perf_tool; |
e035f4ca | 36 | struct perf_mmap; |
f6986c95 | 37 | struct option; |
9e0cc4fe AH |
38 | struct record_opts; |
39 | struct auxtrace_info_event; | |
85ed4729 | 40 | struct events_stats; |
718c602d | 41 | |
73f75fb1 AH |
42 | enum auxtrace_type { |
43 | PERF_AUXTRACE_UNKNOWN, | |
55ea4ab4 | 44 | PERF_AUXTRACE_INTEL_PT, |
d0170af7 | 45 | PERF_AUXTRACE_INTEL_BTS, |
a818c563 | 46 | PERF_AUXTRACE_CS_ETM, |
ffd3d18c | 47 | PERF_AUXTRACE_ARM_SPE, |
b96e6615 | 48 | PERF_AUXTRACE_S390_CPUMSF, |
73f75fb1 AH |
49 | }; |
50 | ||
f6986c95 AH |
51 | enum itrace_period_type { |
52 | PERF_ITRACE_PERIOD_INSTRUCTIONS, | |
53 | PERF_ITRACE_PERIOD_TICKS, | |
54 | PERF_ITRACE_PERIOD_NANOSECS, | |
55 | }; | |
56 | ||
57 | /** | |
58 | * struct itrace_synth_opts - AUX area tracing synthesis options. | |
59 | * @set: indicates whether or not options have been set | |
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 |
f6986c95 AH |
67 | * @errors: whether to synthesize decoder error events |
68 | * @dont_decode: whether to skip decoding entirely | |
69 | * @log: write a decoding log | |
70 | * @calls: limit branch samples to calls (can be combined with @returns) | |
71 | * @returns: limit branch samples to returns (can be combined with @calls) | |
72 | * @callchain: add callchain to 'instructions' events | |
50f73637 | 73 | * @thread_stack: feed branches to the thread_stack |
601897b5 | 74 | * @last_branch: add branch context to 'instruction' events |
f6986c95 | 75 | * @callchain_sz: maximum callchain size |
601897b5 | 76 | * @last_branch_sz: branch context size |
f6986c95 AH |
77 | * @period: 'instructions' events period |
78 | * @period_type: 'instructions' events period type | |
d1706b39 | 79 | * @initial_skip: skip N events at the beginning. |
644e0840 | 80 | * @cpu_bitmap: CPUs for which to synthesize events, or NULL for all |
f6986c95 AH |
81 | */ |
82 | struct itrace_synth_opts { | |
83 | bool set; | |
84 | bool inject; | |
85 | bool instructions; | |
86 | bool branches; | |
53c76b0e | 87 | bool transactions; |
3bdafdff | 88 | bool ptwrites; |
70d110d7 | 89 | bool pwr_events; |
f6986c95 AH |
90 | bool errors; |
91 | bool dont_decode; | |
92 | bool log; | |
93 | bool calls; | |
94 | bool returns; | |
95 | bool callchain; | |
50f73637 | 96 | bool thread_stack; |
601897b5 | 97 | bool last_branch; |
f6986c95 | 98 | unsigned int callchain_sz; |
601897b5 | 99 | unsigned int last_branch_sz; |
f6986c95 AH |
100 | unsigned long long period; |
101 | enum itrace_period_type period_type; | |
d1706b39 | 102 | unsigned long initial_skip; |
644e0840 | 103 | unsigned long *cpu_bitmap; |
f6986c95 AH |
104 | }; |
105 | ||
99fa2984 AH |
106 | /** |
107 | * struct auxtrace_index_entry - indexes a AUX area tracing event within a | |
108 | * perf.data file. | |
109 | * @file_offset: offset within the perf.data file | |
110 | * @sz: size of the event | |
111 | */ | |
112 | struct auxtrace_index_entry { | |
113 | u64 file_offset; | |
114 | u64 sz; | |
115 | }; | |
116 | ||
117 | #define PERF_AUXTRACE_INDEX_ENTRY_COUNT 256 | |
118 | ||
119 | /** | |
120 | * struct auxtrace_index - index of AUX area tracing events within a perf.data | |
121 | * file. | |
122 | * @list: linking a number of arrays of entries | |
123 | * @nr: number of entries | |
124 | * @entries: array of entries | |
125 | */ | |
126 | struct auxtrace_index { | |
127 | struct list_head list; | |
128 | size_t nr; | |
129 | struct auxtrace_index_entry entries[PERF_AUXTRACE_INDEX_ENTRY_COUNT]; | |
130 | }; | |
131 | ||
c446870d AH |
132 | /** |
133 | * struct auxtrace - session callbacks to allow AUX area data decoding. | |
134 | * @process_event: lets the decoder see all session events | |
b818ec61 | 135 | * @process_auxtrace_event: process a PERF_RECORD_AUXTRACE event |
c446870d AH |
136 | * @flush_events: process any remaining data |
137 | * @free_events: free resources associated with event processing | |
138 | * @free: free resources associated with the session | |
139 | */ | |
140 | struct auxtrace { | |
141 | int (*process_event)(struct perf_session *session, | |
142 | union perf_event *event, | |
143 | struct perf_sample *sample, | |
144 | struct perf_tool *tool); | |
73f75fb1 AH |
145 | int (*process_auxtrace_event)(struct perf_session *session, |
146 | union perf_event *event, | |
147 | struct perf_tool *tool); | |
c446870d AH |
148 | int (*flush_events)(struct perf_session *session, |
149 | struct perf_tool *tool); | |
150 | void (*free_events)(struct perf_session *session); | |
151 | void (*free)(struct perf_session *session); | |
152 | }; | |
153 | ||
e5027893 AH |
154 | /** |
155 | * struct auxtrace_buffer - a buffer containing AUX area tracing data. | |
156 | * @list: buffers are queued in a list held by struct auxtrace_queue | |
157 | * @size: size of the buffer in bytes | |
158 | * @pid: in per-thread mode, the pid this buffer is associated with | |
159 | * @tid: in per-thread mode, the tid this buffer is associated with | |
160 | * @cpu: in per-cpu mode, the cpu this buffer is associated with | |
161 | * @data: actual buffer data (can be null if the data has not been loaded) | |
162 | * @data_offset: file offset at which the buffer can be read | |
163 | * @mmap_addr: mmap address at which the buffer can be read | |
164 | * @mmap_size: size of the mmap at @mmap_addr | |
165 | * @data_needs_freeing: @data was malloc'd so free it when it is no longer | |
166 | * needed | |
167 | * @consecutive: the original data was split up and this buffer is consecutive | |
168 | * to the previous buffer | |
169 | * @offset: offset as determined by aux_head / aux_tail members of struct | |
170 | * perf_event_mmap_page | |
171 | * @reference: an implementation-specific reference determined when the data is | |
172 | * recorded | |
173 | * @buffer_nr: used to number each buffer | |
174 | * @use_size: implementation actually only uses this number of bytes | |
175 | * @use_data: implementation actually only uses data starting at this address | |
176 | */ | |
177 | struct auxtrace_buffer { | |
178 | struct list_head list; | |
179 | size_t size; | |
180 | pid_t pid; | |
181 | pid_t tid; | |
182 | int cpu; | |
183 | void *data; | |
184 | off_t data_offset; | |
185 | void *mmap_addr; | |
186 | size_t mmap_size; | |
187 | bool data_needs_freeing; | |
188 | bool consecutive; | |
189 | u64 offset; | |
190 | u64 reference; | |
191 | u64 buffer_nr; | |
192 | size_t use_size; | |
193 | void *use_data; | |
194 | }; | |
195 | ||
196 | /** | |
197 | * struct auxtrace_queue - a queue of AUX area tracing data buffers. | |
198 | * @head: head of buffer list | |
199 | * @tid: in per-thread mode, the tid this queue is associated with | |
200 | * @cpu: in per-cpu mode, the cpu this queue is associated with | |
201 | * @set: %true once this queue has been dedicated to a specific thread or cpu | |
202 | * @priv: implementation-specific data | |
203 | */ | |
204 | struct auxtrace_queue { | |
205 | struct list_head head; | |
206 | pid_t tid; | |
207 | int cpu; | |
208 | bool set; | |
209 | void *priv; | |
210 | }; | |
211 | ||
212 | /** | |
213 | * struct auxtrace_queues - an array of AUX area tracing queues. | |
214 | * @queue_array: array of queues | |
215 | * @nr_queues: number of queues | |
216 | * @new_data: set whenever new data is queued | |
217 | * @populated: queues have been fully populated using the auxtrace_index | |
218 | * @next_buffer_nr: used to number each buffer | |
219 | */ | |
220 | struct auxtrace_queues { | |
221 | struct auxtrace_queue *queue_array; | |
222 | unsigned int nr_queues; | |
223 | bool new_data; | |
224 | bool populated; | |
225 | u64 next_buffer_nr; | |
226 | }; | |
227 | ||
f9397155 AH |
228 | /** |
229 | * struct auxtrace_heap_item - element of struct auxtrace_heap. | |
230 | * @queue_nr: queue number | |
231 | * @ordinal: value used for sorting (lowest ordinal is top of the heap) expected | |
232 | * to be a timestamp | |
233 | */ | |
234 | struct auxtrace_heap_item { | |
235 | unsigned int queue_nr; | |
236 | u64 ordinal; | |
237 | }; | |
238 | ||
239 | /** | |
240 | * struct auxtrace_heap - a heap suitable for sorting AUX area tracing queues. | |
241 | * @heap_array: the heap | |
242 | * @heap_cnt: the number of elements in the heap | |
243 | * @heap_sz: maximum number of elements (grows as needed) | |
244 | */ | |
245 | struct auxtrace_heap { | |
246 | struct auxtrace_heap_item *heap_array; | |
247 | unsigned int heap_cnt; | |
248 | unsigned int heap_sz; | |
249 | }; | |
250 | ||
718c602d AH |
251 | /** |
252 | * struct auxtrace_mmap - records an mmap of the auxtrace buffer. | |
253 | * @base: address of mapped area | |
254 | * @userpg: pointer to buffer's perf_event_mmap_page | |
255 | * @mask: %0 if @len is not a power of two, otherwise (@len - %1) | |
256 | * @len: size of mapped area | |
257 | * @prev: previous aux_head | |
258 | * @idx: index of this mmap | |
259 | * @tid: tid for a per-thread mmap (also set if there is only 1 tid on a per-cpu | |
260 | * mmap) otherwise %0 | |
261 | * @cpu: cpu number for a per-cpu mmap otherwise %-1 | |
262 | */ | |
263 | struct auxtrace_mmap { | |
264 | void *base; | |
265 | void *userpg; | |
266 | size_t mask; | |
267 | size_t len; | |
268 | u64 prev; | |
269 | int idx; | |
270 | pid_t tid; | |
271 | int cpu; | |
272 | }; | |
273 | ||
274 | /** | |
275 | * struct auxtrace_mmap_params - parameters to set up struct auxtrace_mmap. | |
276 | * @mask: %0 if @len is not a power of two, otherwise (@len - %1) | |
277 | * @offset: file offset of mapped area | |
278 | * @len: size of mapped area | |
279 | * @prot: mmap memory protection | |
280 | * @idx: index of this mmap | |
281 | * @tid: tid for a per-thread mmap (also set if there is only 1 tid on a per-cpu | |
282 | * mmap) otherwise %0 | |
283 | * @cpu: cpu number for a per-cpu mmap otherwise %-1 | |
284 | */ | |
285 | struct auxtrace_mmap_params { | |
286 | size_t mask; | |
287 | off_t offset; | |
288 | size_t len; | |
289 | int prot; | |
290 | int idx; | |
291 | pid_t tid; | |
292 | int cpu; | |
293 | }; | |
294 | ||
9e0cc4fe AH |
295 | /** |
296 | * struct auxtrace_record - callbacks for recording AUX area data. | |
297 | * @recording_options: validate and process recording options | |
298 | * @info_priv_size: return the size of the private data in auxtrace_info_event | |
299 | * @info_fill: fill-in the private data in auxtrace_info_event | |
300 | * @free: free this auxtrace record structure | |
d20031bb AH |
301 | * @snapshot_start: starting a snapshot |
302 | * @snapshot_finish: finishing a snapshot | |
303 | * @find_snapshot: find data to snapshot within auxtrace mmap | |
304 | * @parse_snapshot_options: parse snapshot options | |
9e0cc4fe AH |
305 | * @reference: provide a 64-bit reference number for auxtrace_event |
306 | * @read_finish: called after reading from an auxtrace mmap | |
b818ec61 | 307 | * @alignment: alignment (if any) for AUX area data |
9e0cc4fe AH |
308 | */ |
309 | struct auxtrace_record { | |
310 | int (*recording_options)(struct auxtrace_record *itr, | |
311 | struct perf_evlist *evlist, | |
312 | struct record_opts *opts); | |
14a05e13 MP |
313 | size_t (*info_priv_size)(struct auxtrace_record *itr, |
314 | struct perf_evlist *evlist); | |
9e0cc4fe AH |
315 | int (*info_fill)(struct auxtrace_record *itr, |
316 | struct perf_session *session, | |
317 | struct auxtrace_info_event *auxtrace_info, | |
318 | size_t priv_size); | |
319 | void (*free)(struct auxtrace_record *itr); | |
d20031bb AH |
320 | int (*snapshot_start)(struct auxtrace_record *itr); |
321 | int (*snapshot_finish)(struct auxtrace_record *itr); | |
322 | int (*find_snapshot)(struct auxtrace_record *itr, int idx, | |
323 | struct auxtrace_mmap *mm, unsigned char *data, | |
324 | u64 *head, u64 *old); | |
325 | int (*parse_snapshot_options)(struct auxtrace_record *itr, | |
326 | struct record_opts *opts, | |
327 | const char *str); | |
9e0cc4fe AH |
328 | u64 (*reference)(struct auxtrace_record *itr); |
329 | int (*read_finish)(struct auxtrace_record *itr, int idx); | |
83b2ea25 | 330 | unsigned int alignment; |
9e0cc4fe AH |
331 | }; |
332 | ||
1b36c03e AH |
333 | /** |
334 | * struct addr_filter - address filter. | |
335 | * @list: list node | |
336 | * @range: true if it is a range filter | |
337 | * @start: true if action is 'filter' or 'start' | |
338 | * @action: 'filter', 'start' or 'stop' ('tracestop' is accepted but converted | |
339 | * to 'stop') | |
340 | * @sym_from: symbol name for the filter address | |
341 | * @sym_to: symbol name that determines the filter size | |
342 | * @sym_from_idx: selects n'th from symbols with the same name (0 means global | |
343 | * and less than 0 means symbol must be unique) | |
344 | * @sym_to_idx: same as @sym_from_idx but for @sym_to | |
345 | * @addr: filter address | |
346 | * @size: filter region size (for range filters) | |
347 | * @filename: DSO file name or NULL for the kernel | |
348 | * @str: allocated string that contains the other string members | |
349 | */ | |
350 | struct addr_filter { | |
351 | struct list_head list; | |
352 | bool range; | |
353 | bool start; | |
354 | const char *action; | |
355 | const char *sym_from; | |
356 | const char *sym_to; | |
357 | int sym_from_idx; | |
358 | int sym_to_idx; | |
359 | u64 addr; | |
360 | u64 size; | |
361 | const char *filename; | |
362 | char *str; | |
363 | }; | |
364 | ||
365 | /** | |
366 | * struct addr_filters - list of address filters. | |
367 | * @head: list of address filters | |
368 | * @cnt: number of address filters | |
369 | */ | |
370 | struct addr_filters { | |
371 | struct list_head head; | |
372 | int cnt; | |
373 | }; | |
374 | ||
e31f0d01 AH |
375 | #ifdef HAVE_AUXTRACE_SUPPORT |
376 | ||
d20031bb AH |
377 | /* |
378 | * In snapshot mode the mmapped page is read-only which makes using | |
379 | * __sync_val_compare_and_swap() problematic. However, snapshot mode expects | |
380 | * the buffer is not updated while the snapshot is made (e.g. Intel PT disables | |
381 | * the event) so there is not a race anyway. | |
382 | */ | |
383 | static inline u64 auxtrace_mmap__read_snapshot_head(struct auxtrace_mmap *mm) | |
384 | { | |
385 | struct perf_event_mmap_page *pc = mm->userpg; | |
6aa7de05 | 386 | u64 head = READ_ONCE(pc->aux_head); |
d20031bb AH |
387 | |
388 | /* Ensure all reads are done after we read the head */ | |
389 | rmb(); | |
390 | return head; | |
391 | } | |
392 | ||
718c602d AH |
393 | static inline u64 auxtrace_mmap__read_head(struct auxtrace_mmap *mm) |
394 | { | |
395 | struct perf_event_mmap_page *pc = mm->userpg; | |
396 | #if BITS_PER_LONG == 64 || !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) | |
6aa7de05 | 397 | u64 head = READ_ONCE(pc->aux_head); |
718c602d AH |
398 | #else |
399 | u64 head = __sync_val_compare_and_swap(&pc->aux_head, 0, 0); | |
400 | #endif | |
401 | ||
402 | /* Ensure all reads are done after we read the head */ | |
403 | rmb(); | |
404 | return head; | |
405 | } | |
406 | ||
407 | static inline void auxtrace_mmap__write_tail(struct auxtrace_mmap *mm, u64 tail) | |
408 | { | |
409 | struct perf_event_mmap_page *pc = mm->userpg; | |
410 | #if BITS_PER_LONG != 64 && defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) | |
411 | u64 old_tail; | |
412 | #endif | |
413 | ||
414 | /* Ensure all reads are done before we write the tail out */ | |
415 | mb(); | |
416 | #if BITS_PER_LONG == 64 || !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) | |
417 | pc->aux_tail = tail; | |
418 | #else | |
419 | do { | |
420 | old_tail = __sync_val_compare_and_swap(&pc->aux_tail, 0, 0); | |
421 | } while (!__sync_bool_compare_and_swap(&pc->aux_tail, old_tail, tail)); | |
422 | #endif | |
423 | } | |
424 | ||
425 | int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, | |
426 | struct auxtrace_mmap_params *mp, | |
427 | void *userpg, int fd); | |
428 | void auxtrace_mmap__munmap(struct auxtrace_mmap *mm); | |
429 | void auxtrace_mmap_params__init(struct auxtrace_mmap_params *mp, | |
430 | off_t auxtrace_offset, | |
431 | unsigned int auxtrace_pages, | |
432 | bool auxtrace_overwrite); | |
433 | void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp, | |
434 | struct perf_evlist *evlist, int idx, | |
435 | bool per_cpu); | |
436 | ||
9e0cc4fe | 437 | typedef int (*process_auxtrace_t)(struct perf_tool *tool, |
ded2b8fe | 438 | struct perf_mmap *map, |
9e0cc4fe AH |
439 | union perf_event *event, void *data1, |
440 | size_t len1, void *data2, size_t len2); | |
441 | ||
e035f4ca | 442 | int auxtrace_mmap__read(struct perf_mmap *map, struct auxtrace_record *itr, |
9e0cc4fe AH |
443 | struct perf_tool *tool, process_auxtrace_t fn); |
444 | ||
e035f4ca | 445 | int auxtrace_mmap__read_snapshot(struct perf_mmap *map, |
d20031bb AH |
446 | struct auxtrace_record *itr, |
447 | struct perf_tool *tool, process_auxtrace_t fn, | |
448 | size_t snapshot_size); | |
449 | ||
e5027893 AH |
450 | int auxtrace_queues__init(struct auxtrace_queues *queues); |
451 | int auxtrace_queues__add_event(struct auxtrace_queues *queues, | |
452 | struct perf_session *session, | |
453 | union perf_event *event, off_t data_offset, | |
454 | struct auxtrace_buffer **buffer_ptr); | |
455 | void auxtrace_queues__free(struct auxtrace_queues *queues); | |
99fa2984 AH |
456 | int auxtrace_queues__process_index(struct auxtrace_queues *queues, |
457 | struct perf_session *session); | |
e5027893 AH |
458 | struct auxtrace_buffer *auxtrace_buffer__next(struct auxtrace_queue *queue, |
459 | struct auxtrace_buffer *buffer); | |
460 | void *auxtrace_buffer__get_data(struct auxtrace_buffer *buffer, int fd); | |
461 | void auxtrace_buffer__put_data(struct auxtrace_buffer *buffer); | |
462 | void auxtrace_buffer__drop_data(struct auxtrace_buffer *buffer); | |
463 | void auxtrace_buffer__free(struct auxtrace_buffer *buffer); | |
f9397155 AH |
464 | |
465 | int auxtrace_heap__add(struct auxtrace_heap *heap, unsigned int queue_nr, | |
466 | u64 ordinal); | |
467 | void auxtrace_heap__pop(struct auxtrace_heap *heap); | |
468 | void auxtrace_heap__free(struct auxtrace_heap *heap); | |
469 | ||
c3278f02 AH |
470 | struct auxtrace_cache_entry { |
471 | struct hlist_node hash; | |
472 | u32 key; | |
473 | }; | |
474 | ||
475 | struct auxtrace_cache *auxtrace_cache__new(unsigned int bits, size_t entry_size, | |
476 | unsigned int limit_percent); | |
477 | void auxtrace_cache__free(struct auxtrace_cache *auxtrace_cache); | |
478 | void *auxtrace_cache__alloc_entry(struct auxtrace_cache *c); | |
479 | void auxtrace_cache__free_entry(struct auxtrace_cache *c, void *entry); | |
480 | int auxtrace_cache__add(struct auxtrace_cache *c, u32 key, | |
481 | struct auxtrace_cache_entry *entry); | |
482 | void *auxtrace_cache__lookup(struct auxtrace_cache *c, u32 key); | |
483 | ||
9e0cc4fe AH |
484 | struct auxtrace_record *auxtrace_record__init(struct perf_evlist *evlist, |
485 | int *err); | |
486 | ||
d20031bb AH |
487 | int auxtrace_parse_snapshot_options(struct auxtrace_record *itr, |
488 | struct record_opts *opts, | |
489 | const char *str); | |
9e0cc4fe AH |
490 | int auxtrace_record__options(struct auxtrace_record *itr, |
491 | struct perf_evlist *evlist, | |
492 | struct record_opts *opts); | |
14a05e13 MP |
493 | size_t auxtrace_record__info_priv_size(struct auxtrace_record *itr, |
494 | struct perf_evlist *evlist); | |
9e0cc4fe AH |
495 | int auxtrace_record__info_fill(struct auxtrace_record *itr, |
496 | struct perf_session *session, | |
497 | struct auxtrace_info_event *auxtrace_info, | |
498 | size_t priv_size); | |
499 | void auxtrace_record__free(struct auxtrace_record *itr); | |
d20031bb AH |
500 | int auxtrace_record__snapshot_start(struct auxtrace_record *itr); |
501 | int auxtrace_record__snapshot_finish(struct auxtrace_record *itr); | |
502 | int auxtrace_record__find_snapshot(struct auxtrace_record *itr, int idx, | |
503 | struct auxtrace_mmap *mm, | |
504 | unsigned char *data, u64 *head, u64 *old); | |
9e0cc4fe AH |
505 | u64 auxtrace_record__reference(struct auxtrace_record *itr); |
506 | ||
99fa2984 AH |
507 | int auxtrace_index__auxtrace_event(struct list_head *head, union perf_event *event, |
508 | off_t file_offset); | |
509 | int auxtrace_index__write(int fd, struct list_head *head); | |
510 | int auxtrace_index__process(int fd, u64 size, struct perf_session *session, | |
511 | bool needs_swap); | |
512 | void auxtrace_index__free(struct list_head *head); | |
513 | ||
85ed4729 AH |
514 | void auxtrace_synth_error(struct auxtrace_error_event *auxtrace_error, int type, |
515 | int code, int cpu, pid_t pid, pid_t tid, u64 ip, | |
516 | const char *msg); | |
517 | ||
9e0cc4fe AH |
518 | int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr, |
519 | struct perf_tool *tool, | |
520 | struct perf_session *session, | |
521 | perf_event__handler_t process); | |
89f1688a JO |
522 | int perf_event__process_auxtrace_info(struct perf_session *session, |
523 | union perf_event *event); | |
7336555a JO |
524 | s64 perf_event__process_auxtrace(struct perf_session *session, |
525 | union perf_event *event); | |
89f1688a JO |
526 | int perf_event__process_auxtrace_error(struct perf_session *session, |
527 | union perf_event *event); | |
f6986c95 AH |
528 | int itrace_parse_synth_opts(const struct option *opt, const char *str, |
529 | int unset); | |
530 | void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts); | |
9e0cc4fe | 531 | |
85ed4729 AH |
532 | size_t perf_event__fprintf_auxtrace_error(union perf_event *event, FILE *fp); |
533 | void perf_session__auxtrace_error_inc(struct perf_session *session, | |
534 | union perf_event *event); | |
535 | void events_stats__auxtrace_error_warn(const struct events_stats *stats); | |
536 | ||
1b36c03e AH |
537 | void addr_filters__init(struct addr_filters *filts); |
538 | void addr_filters__exit(struct addr_filters *filts); | |
539 | int addr_filters__parse_bare_filter(struct addr_filters *filts, | |
540 | const char *filter); | |
541 | int auxtrace_parse_filters(struct perf_evlist *evlist); | |
542 | ||
c446870d AH |
543 | static inline int auxtrace__process_event(struct perf_session *session, |
544 | union perf_event *event, | |
545 | struct perf_sample *sample, | |
546 | struct perf_tool *tool) | |
547 | { | |
548 | if (!session->auxtrace) | |
549 | return 0; | |
550 | ||
551 | return session->auxtrace->process_event(session, event, sample, tool); | |
552 | } | |
553 | ||
554 | static inline int auxtrace__flush_events(struct perf_session *session, | |
555 | struct perf_tool *tool) | |
556 | { | |
557 | if (!session->auxtrace) | |
558 | return 0; | |
559 | ||
560 | return session->auxtrace->flush_events(session, tool); | |
561 | } | |
562 | ||
563 | static inline void auxtrace__free_events(struct perf_session *session) | |
564 | { | |
565 | if (!session->auxtrace) | |
566 | return; | |
567 | ||
568 | return session->auxtrace->free_events(session); | |
569 | } | |
570 | ||
571 | static inline void auxtrace__free(struct perf_session *session) | |
572 | { | |
573 | if (!session->auxtrace) | |
574 | return; | |
575 | ||
576 | return session->auxtrace->free(session); | |
577 | } | |
578 | ||
c12e039d AK |
579 | #define ITRACE_HELP \ |
580 | " i: synthesize instructions events\n" \ | |
581 | " b: synthesize branches events\n" \ | |
582 | " c: synthesize branches events (calls only)\n" \ | |
583 | " r: synthesize branches events (returns only)\n" \ | |
584 | " x: synthesize transactions events\n" \ | |
585 | " w: synthesize ptwrite events\n" \ | |
586 | " p: synthesize power events\n" \ | |
587 | " e: synthesize error events\n" \ | |
588 | " d: create a debug log\n" \ | |
589 | " g[len]: synthesize a call chain (use with i or x)\n" \ | |
590 | " l[len]: synthesize last branch entries (use with i or x)\n" \ | |
591 | " sNUMBER: skip initial number of events\n" \ | |
592 | " PERIOD[ns|us|ms|i|t]: specify period to sample stream\n" \ | |
593 | " concatenate multiple options. Default is ibxwpe or cewp\n" | |
594 | ||
595 | ||
e31f0d01 AH |
596 | #else |
597 | ||
598 | static inline struct auxtrace_record * | |
599 | auxtrace_record__init(struct perf_evlist *evlist __maybe_unused, | |
b8f8eb84 | 600 | int *err) |
e31f0d01 AH |
601 | { |
602 | *err = 0; | |
603 | return NULL; | |
604 | } | |
605 | ||
606 | static inline | |
607 | void auxtrace_record__free(struct auxtrace_record *itr __maybe_unused) | |
608 | { | |
609 | } | |
610 | ||
611 | static inline int | |
612 | perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr __maybe_unused, | |
613 | struct perf_tool *tool __maybe_unused, | |
614 | struct perf_session *session __maybe_unused, | |
615 | perf_event__handler_t process __maybe_unused) | |
616 | { | |
617 | return -EINVAL; | |
618 | } | |
619 | ||
620 | static inline | |
621 | int auxtrace_record__options(struct auxtrace_record *itr __maybe_unused, | |
622 | struct perf_evlist *evlist __maybe_unused, | |
623 | struct record_opts *opts __maybe_unused) | |
624 | { | |
625 | return 0; | |
626 | } | |
627 | ||
628 | #define perf_event__process_auxtrace_info 0 | |
629 | #define perf_event__process_auxtrace 0 | |
630 | #define perf_event__process_auxtrace_error 0 | |
631 | ||
632 | static inline | |
633 | void perf_session__auxtrace_error_inc(struct perf_session *session | |
634 | __maybe_unused, | |
635 | union perf_event *event | |
636 | __maybe_unused) | |
637 | { | |
638 | } | |
639 | ||
640 | static inline | |
641 | void events_stats__auxtrace_error_warn(const struct events_stats *stats | |
642 | __maybe_unused) | |
643 | { | |
644 | } | |
645 | ||
646 | static inline | |
647 | int itrace_parse_synth_opts(const struct option *opt __maybe_unused, | |
648 | const char *str __maybe_unused, | |
649 | int unset __maybe_unused) | |
650 | { | |
651 | pr_err("AUX area tracing not supported\n"); | |
652 | return -EINVAL; | |
653 | } | |
654 | ||
2dd6d8a1 AH |
655 | static inline |
656 | int auxtrace_parse_snapshot_options(struct auxtrace_record *itr __maybe_unused, | |
657 | struct record_opts *opts __maybe_unused, | |
658 | const char *str) | |
659 | { | |
660 | if (!str) | |
661 | return 0; | |
662 | pr_err("AUX area tracing not supported\n"); | |
663 | return -EINVAL; | |
664 | } | |
665 | ||
e31f0d01 AH |
666 | static inline |
667 | int auxtrace__process_event(struct perf_session *session __maybe_unused, | |
668 | union perf_event *event __maybe_unused, | |
669 | struct perf_sample *sample __maybe_unused, | |
670 | struct perf_tool *tool __maybe_unused) | |
671 | { | |
672 | return 0; | |
673 | } | |
674 | ||
675 | static inline | |
676 | int auxtrace__flush_events(struct perf_session *session __maybe_unused, | |
677 | struct perf_tool *tool __maybe_unused) | |
678 | { | |
679 | return 0; | |
680 | } | |
681 | ||
682 | static inline | |
683 | void auxtrace__free_events(struct perf_session *session __maybe_unused) | |
684 | { | |
685 | } | |
686 | ||
687 | static inline | |
688 | void auxtrace_cache__free(struct auxtrace_cache *auxtrace_cache __maybe_unused) | |
689 | { | |
690 | } | |
691 | ||
692 | static inline | |
693 | void auxtrace__free(struct perf_session *session __maybe_unused) | |
694 | { | |
695 | } | |
696 | ||
697 | static inline | |
698 | int auxtrace_index__write(int fd __maybe_unused, | |
699 | struct list_head *head __maybe_unused) | |
700 | { | |
701 | return -EINVAL; | |
702 | } | |
703 | ||
704 | static inline | |
705 | int auxtrace_index__process(int fd __maybe_unused, | |
706 | u64 size __maybe_unused, | |
707 | struct perf_session *session __maybe_unused, | |
708 | bool needs_swap __maybe_unused) | |
709 | { | |
710 | return -EINVAL; | |
711 | } | |
712 | ||
713 | static inline | |
714 | void auxtrace_index__free(struct list_head *head __maybe_unused) | |
715 | { | |
716 | } | |
717 | ||
1b36c03e AH |
718 | static inline |
719 | int auxtrace_parse_filters(struct perf_evlist *evlist __maybe_unused) | |
720 | { | |
721 | return 0; | |
722 | } | |
723 | ||
e31f0d01 AH |
724 | int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, |
725 | struct auxtrace_mmap_params *mp, | |
726 | void *userpg, int fd); | |
727 | void auxtrace_mmap__munmap(struct auxtrace_mmap *mm); | |
728 | void auxtrace_mmap_params__init(struct auxtrace_mmap_params *mp, | |
729 | off_t auxtrace_offset, | |
730 | unsigned int auxtrace_pages, | |
731 | bool auxtrace_overwrite); | |
732 | void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp, | |
733 | struct perf_evlist *evlist, int idx, | |
734 | bool per_cpu); | |
735 | ||
c12e039d AK |
736 | #define ITRACE_HELP "" |
737 | ||
e31f0d01 AH |
738 | #endif |
739 | ||
718c602d | 740 | #endif |