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