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