Commit | Line | Data |
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b7cdc182 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
f62b389e MD |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM block | |
4 | ||
3bc29f0a MD |
5 | #if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) |
6 | #define LTTNG_TRACE_BLOCK_H | |
f62b389e | 7 | |
b5304713 | 8 | #include <lttng/lttng-tracepoint-event.h> |
f62b389e MD |
9 | #include <linux/blktrace_api.h> |
10 | #include <linux/blkdev.h> | |
f62b389e | 11 | #include <linux/trace_seq.h> |
7c68b363 | 12 | |
8a9f549f | 13 | #include <scsi/scsi_request.h> |
8a9f549f | 14 | |
f62b389e MD |
15 | #ifndef _TRACE_BLOCK_DEF_ |
16 | #define _TRACE_BLOCK_DEF_ | |
17 | ||
f62b389e MD |
18 | enum { |
19 | RWBS_FLAG_WRITE = (1 << 0), | |
20 | RWBS_FLAG_DISCARD = (1 << 1), | |
21 | RWBS_FLAG_READ = (1 << 2), | |
22 | RWBS_FLAG_RAHEAD = (1 << 3), | |
7c68b363 AG |
23 | RWBS_FLAG_BARRIER = (1 << 4), |
24 | RWBS_FLAG_SYNC = (1 << 5), | |
25 | RWBS_FLAG_META = (1 << 6), | |
26 | RWBS_FLAG_SECURE = (1 << 7), | |
27 | RWBS_FLAG_FLUSH = (1 << 8), | |
28 | RWBS_FLAG_FUA = (1 << 9), | |
e6d2cc09 | 29 | RWBS_FLAG_PREFLUSH = (1 << 10), |
f62b389e MD |
30 | }; |
31 | ||
32 | #endif /* _TRACE_BLOCK_DEF_ */ | |
33 | ||
23634515 GB |
34 | LTTNG_TRACEPOINT_ENUM(block_rq_type, |
35 | TP_ENUM_VALUES( | |
36 | ctf_enum_value("RWBS_FLAG_WRITE", RWBS_FLAG_WRITE) | |
37 | ctf_enum_value("RWBS_FLAG_DISCARD", RWBS_FLAG_DISCARD) | |
38 | ctf_enum_value("RWBS_FLAG_READ", RWBS_FLAG_READ) | |
39 | ctf_enum_value("RWBS_FLAG_RAHEAD", RWBS_FLAG_RAHEAD) | |
40 | ctf_enum_value("RWBS_FLAG_BARRIER", RWBS_FLAG_BARRIER) | |
41 | ctf_enum_value("RWBS_FLAG_SYNC", RWBS_FLAG_SYNC) | |
42 | ctf_enum_value("RWBS_FLAG_META", RWBS_FLAG_META) | |
43 | ctf_enum_value("RWBS_FLAG_SECURE", RWBS_FLAG_SECURE) | |
44 | ctf_enum_value("RWBS_FLAG_FLUSH", RWBS_FLAG_FLUSH) | |
45 | ctf_enum_value("RWBS_FLAG_FUA", RWBS_FLAG_FUA) | |
46 | ctf_enum_value("RWBS_FLAG_PREFLUSH", RWBS_FLAG_PREFLUSH) | |
47 | ) | |
48 | ) | |
49 | ||
e6d2cc09 MD |
50 | #define lttng_req_op(rq) req_op(rq) |
51 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
52 | #define lttng_bio_op(bio) bio_op(bio) | |
53 | #define lttng_bio_rw(bio) ((bio)->bi_opf) | |
54 | ||
55 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
23634515 | 56 | ctf_enum(block_rq_type, type, rwbs, \ |
e6d2cc09 MD |
57 | (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \ |
58 | ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD : \ | |
59 | ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \ | |
60 | ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH : \ | |
61 | ( (op) == REQ_OP_READ ? RWBS_FLAG_READ : \ | |
62 | ( 0 )))))) \ | |
63 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
64 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
65 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
66 | | ((rw) & REQ_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0) \ | |
67 | | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) | |
68 | ||
3bc29f0a | 69 | LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer, |
217f66c6 MD |
70 | |
71 | TP_PROTO(struct buffer_head *bh), | |
72 | ||
73 | TP_ARGS(bh), | |
74 | ||
f127e61e MD |
75 | TP_FIELDS ( |
76 | ctf_integer(dev_t, dev, bh->b_bdev->bd_dev) | |
77 | ctf_integer(sector_t, sector, bh->b_blocknr) | |
78 | ctf_integer(size_t, size, bh->b_size) | |
217f66c6 MD |
79 | ) |
80 | ) | |
81 | ||
82 | /** | |
83 | * block_touch_buffer - mark a buffer accessed | |
84 | * @bh: buffer_head being touched | |
85 | * | |
86 | * Called from touch_buffer(). | |
87 | */ | |
3bc29f0a | 88 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer, |
217f66c6 MD |
89 | |
90 | TP_PROTO(struct buffer_head *bh), | |
91 | ||
92 | TP_ARGS(bh) | |
93 | ) | |
94 | ||
95 | /** | |
96 | * block_dirty_buffer - mark a buffer dirty | |
97 | * @bh: buffer_head being dirtied | |
98 | * | |
99 | * Called from mark_buffer_dirty(). | |
100 | */ | |
3bc29f0a | 101 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer, |
217f66c6 MD |
102 | |
103 | TP_PROTO(struct buffer_head *bh), | |
104 | ||
105 | TP_ARGS(bh) | |
106 | ) | |
f62b389e MD |
107 | |
108 | /** | |
109 | * block_rq_requeue - place block IO request back on a queue | |
110 | * @q: queue holding operation | |
111 | * @rq: block IO operation request | |
112 | * | |
113 | * The block operation request @rq is being placed back into queue | |
114 | * @q. For some reason the request was not completed and needs to be | |
115 | * put back in the queue. | |
116 | */ | |
d2457078 MJ |
117 | LTTNG_TRACEPOINT_EVENT(block_rq_requeue, |
118 | ||
119 | TP_PROTO(struct request_queue *q, struct request *rq), | |
120 | ||
121 | TP_ARGS(q, rq), | |
122 | ||
123 | TP_FIELDS( | |
124 | ctf_integer(dev_t, dev, | |
125 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
126 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) | |
127 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) | |
128 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
129 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
130 | ) | |
131 | ) | |
f62b389e | 132 | |
1c53e689 MD |
133 | /** |
134 | * block_rq_complete - block IO operation completed by device driver | |
135 | * @q: queue containing the block operation request | |
136 | * @rq: block operations request | |
137 | * @nr_bytes: number of completed bytes | |
138 | * | |
139 | * The block_rq_complete tracepoint event indicates that some portion | |
140 | * of operation request has been completed by the device driver. If | |
141 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
142 | * do for the request. If @rq->bio is non-NULL then there is | |
143 | * additional work required to complete the request. | |
144 | */ | |
d2457078 MJ |
145 | LTTNG_TRACEPOINT_EVENT(block_rq_complete, |
146 | ||
147 | TP_PROTO(struct request *rq, int error, unsigned int nr_bytes), | |
148 | ||
149 | TP_ARGS(rq, error, nr_bytes), | |
150 | ||
151 | TP_FIELDS( | |
152 | ctf_integer(dev_t, dev, | |
153 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
154 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
155 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
156 | ctf_integer(int, error, error) | |
157 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
158 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) | |
159 | ) | |
160 | ) | |
1c53e689 | 161 | |
d2457078 MJ |
162 | LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, |
163 | ||
164 | TP_PROTO(struct request_queue *q, struct request *rq), | |
165 | ||
166 | TP_ARGS(q, rq), | |
167 | ||
168 | TP_FIELDS( | |
169 | ctf_integer(dev_t, dev, | |
170 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
171 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) | |
172 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) | |
173 | ctf_integer(unsigned int, bytes, blk_rq_bytes(rq)) | |
174 | ctf_integer(pid_t, tid, current->pid) | |
175 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
176 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
177 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
178 | ) | |
179 | ) | |
f62b389e MD |
180 | |
181 | /** | |
182 | * block_rq_insert - insert block operation request into queue | |
183 | * @q: target queue | |
184 | * @rq: block IO operation request | |
185 | * | |
186 | * Called immediately before block operation request @rq is inserted | |
187 | * into queue @q. The fields in the operation request @rq struct can | |
188 | * be examined to determine which device and sectors the pending | |
189 | * operation would access. | |
190 | */ | |
3bc29f0a | 191 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, |
f62b389e MD |
192 | |
193 | TP_PROTO(struct request_queue *q, struct request *rq), | |
194 | ||
195 | TP_ARGS(q, rq) | |
196 | ) | |
197 | ||
198 | /** | |
199 | * block_rq_issue - issue pending block IO request operation to device driver | |
200 | * @q: queue holding operation | |
201 | * @rq: block IO operation operation request | |
202 | * | |
203 | * Called when block operation request @rq from queue @q is sent to a | |
204 | * device driver for processing. | |
205 | */ | |
3bc29f0a | 206 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, |
f62b389e MD |
207 | |
208 | TP_PROTO(struct request_queue *q, struct request *rq), | |
209 | ||
210 | TP_ARGS(q, rq) | |
211 | ) | |
212 | ||
213 | /** | |
214 | * block_bio_bounce - used bounce buffer when processing block operation | |
215 | * @q: queue holding the block operation | |
216 | * @bio: block operation | |
217 | * | |
218 | * A bounce buffer was used to handle the block operation @bio in @q. | |
219 | * This occurs when hardware limitations prevent a direct transfer of | |
220 | * data between the @bio data memory area and the IO device. Use of a | |
221 | * bounce buffer requires extra copying of data and decreases | |
222 | * performance. | |
223 | */ | |
3bc29f0a | 224 | LTTNG_TRACEPOINT_EVENT(block_bio_bounce, |
f62b389e MD |
225 | |
226 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
227 | ||
228 | TP_ARGS(q, bio), | |
229 | ||
f127e61e | 230 | TP_FIELDS( |
7feabe53 | 231 | ctf_integer(dev_t, dev, bio_dev(bio)) |
f127e61e MD |
232 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
233 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
234 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
235 | lttng_bio_op(bio), lttng_bio_rw(bio), |
236 | bio->bi_iter.bi_size) | |
f127e61e MD |
237 | ctf_integer(pid_t, tid, current->pid) |
238 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
239 | ) | |
f62b389e MD |
240 | ) |
241 | ||
242 | /** | |
243 | * block_bio_complete - completed all work on the block operation | |
244 | * @q: queue holding the block operation | |
245 | * @bio: block operation completed | |
246 | * @error: io error value | |
247 | * | |
248 | * This tracepoint indicates there is no further work to do on this | |
249 | * block IO operation @bio. | |
250 | */ | |
3bc29f0a | 251 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, |
f62b389e MD |
252 | |
253 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), | |
254 | ||
255 | TP_ARGS(q, bio, error), | |
256 | ||
f127e61e | 257 | TP_FIELDS( |
7feabe53 | 258 | ctf_integer(dev_t, dev, bio_dev(bio)) |
f127e61e MD |
259 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
260 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
261 | ctf_integer(int, error, error) | |
262 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
263 | lttng_bio_op(bio), lttng_bio_rw(bio), |
264 | bio->bi_iter.bi_size) | |
f127e61e | 265 | ) |
f62b389e MD |
266 | ) |
267 | ||
3bc29f0a | 268 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, |
217f66c6 MD |
269 | |
270 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
271 | ||
272 | TP_ARGS(q, rq, bio), | |
273 | ||
f127e61e | 274 | TP_FIELDS( |
7feabe53 | 275 | ctf_integer(dev_t, dev, bio_dev(bio)) |
f127e61e MD |
276 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
277 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
278 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
279 | lttng_bio_op(bio), lttng_bio_rw(bio), |
280 | bio->bi_iter.bi_size) | |
f127e61e MD |
281 | ctf_integer(pid_t, tid, current->pid) |
282 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
283 | ) | |
217f66c6 MD |
284 | ) |
285 | ||
286 | /** | |
287 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
288 | * @q: queue holding operation | |
289 | * @bio: new block operation to merge | |
290 | * | |
291 | * Merging block request @bio to the end of an existing block request | |
292 | * in queue @q. | |
293 | */ | |
3bc29f0a | 294 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge, |
217f66c6 MD |
295 | |
296 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
297 | ||
298 | TP_ARGS(q, rq, bio) | |
299 | ) | |
300 | ||
301 | /** | |
302 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
303 | * @q: queue holding operation | |
304 | * @bio: new block operation to merge | |
305 | * | |
306 | * Merging block IO operation @bio to the beginning of an existing block | |
307 | * operation in queue @q. | |
308 | */ | |
3bc29f0a | 309 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge, |
217f66c6 MD |
310 | |
311 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
312 | ||
313 | TP_ARGS(q, rq, bio) | |
314 | ) | |
315 | ||
316 | /** | |
317 | * block_bio_queue - putting new block IO operation in queue | |
318 | * @q: queue holding operation | |
319 | * @bio: new block operation | |
320 | * | |
321 | * About to place the block IO operation @bio into queue @q. | |
322 | */ | |
3bc29f0a | 323 | LTTNG_TRACEPOINT_EVENT(block_bio_queue, |
217f66c6 MD |
324 | |
325 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
326 | ||
327 | TP_ARGS(q, bio), | |
328 | ||
f127e61e | 329 | TP_FIELDS( |
7feabe53 | 330 | ctf_integer(dev_t, dev, bio_dev(bio)) |
f127e61e MD |
331 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
332 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
333 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
334 | lttng_bio_op(bio), lttng_bio_rw(bio), |
335 | bio->bi_iter.bi_size) | |
f127e61e MD |
336 | ctf_integer(pid_t, tid, current->pid) |
337 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
338 | ) | |
f62b389e MD |
339 | ) |
340 | ||
3bc29f0a | 341 | LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq, |
f62b389e MD |
342 | |
343 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
344 | ||
345 | TP_ARGS(q, bio, rw), | |
346 | ||
f127e61e | 347 | TP_FIELDS( |
6417cda6 | 348 | ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0) |
f127e61e MD |
349 | ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0) |
350 | ctf_integer(unsigned int, nr_sector, | |
351 | bio ? bio_sectors(bio) : 0) | |
352 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
353 | bio ? lttng_bio_op(bio) : 0, |
354 | bio ? lttng_bio_rw(bio) : 0, | |
f127e61e | 355 | bio ? bio->bi_iter.bi_size : 0) |
f127e61e MD |
356 | ctf_integer(pid_t, tid, current->pid) |
357 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
358 | ) | |
f62b389e MD |
359 | ) |
360 | ||
361 | /** | |
362 | * block_getrq - get a free request entry in queue for block IO operations | |
363 | * @q: queue for operations | |
6417cda6 | 364 | * @bio: pending block IO operation (can be %NULL) |
f62b389e MD |
365 | * @rw: low bit indicates a read (%0) or a write (%1) |
366 | * | |
367 | * A request struct for queue @q has been allocated to handle the | |
368 | * block IO operation @bio. | |
369 | */ | |
3bc29f0a | 370 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq, |
f62b389e MD |
371 | |
372 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
373 | ||
374 | TP_ARGS(q, bio, rw) | |
375 | ) | |
376 | ||
377 | /** | |
378 | * block_sleeprq - waiting to get a free request entry in queue for block IO operation | |
379 | * @q: queue for operation | |
6417cda6 | 380 | * @bio: pending block IO operation (can be %NULL) |
f62b389e MD |
381 | * @rw: low bit indicates a read (%0) or a write (%1) |
382 | * | |
383 | * In the case where a request struct cannot be provided for queue @q | |
384 | * the process needs to wait for an request struct to become | |
385 | * available. This tracepoint event is generated each time the | |
386 | * process goes to sleep waiting for request struct become available. | |
387 | */ | |
3bc29f0a | 388 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq, |
f62b389e MD |
389 | |
390 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
391 | ||
392 | TP_ARGS(q, bio, rw) | |
393 | ) | |
394 | ||
395 | /** | |
396 | * block_plug - keep operations requests in request queue | |
397 | * @q: request queue to plug | |
398 | * | |
399 | * Plug the request queue @q. Do not allow block operation requests | |
400 | * to be sent to the device driver. Instead, accumulate requests in | |
401 | * the queue to improve throughput performance of the block device. | |
402 | */ | |
3bc29f0a | 403 | LTTNG_TRACEPOINT_EVENT(block_plug, |
f62b389e MD |
404 | |
405 | TP_PROTO(struct request_queue *q), | |
406 | ||
407 | TP_ARGS(q), | |
408 | ||
f127e61e MD |
409 | TP_FIELDS( |
410 | ctf_integer(pid_t, tid, current->pid) | |
411 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
412 | ) | |
f62b389e MD |
413 | ) |
414 | ||
3bc29f0a | 415 | LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug, |
f62b389e MD |
416 | |
417 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), | |
418 | ||
419 | TP_ARGS(q, depth, explicit), | |
420 | ||
f127e61e | 421 | TP_FIELDS( |
f127e61e | 422 | ctf_integer(int, nr_rq, depth) |
f127e61e MD |
423 | ctf_integer(pid_t, tid, current->pid) |
424 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
425 | ) | |
f62b389e MD |
426 | ) |
427 | ||
428 | /** | |
429 | * block_unplug - release of operations requests in request queue | |
430 | * @q: request queue to unplug | |
431 | * @depth: number of requests just added to the queue | |
432 | * @explicit: whether this was an explicit unplug, or one from schedule() | |
433 | * | |
434 | * Unplug request queue @q because device driver is scheduled to work | |
435 | * on elements in the request queue. | |
436 | */ | |
3bc29f0a | 437 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug, |
f62b389e MD |
438 | |
439 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), | |
440 | ||
441 | TP_ARGS(q, depth, explicit) | |
442 | ) | |
443 | ||
444 | /** | |
445 | * block_split - split a single bio struct into two bio structs | |
446 | * @q: queue containing the bio | |
447 | * @bio: block operation being split | |
448 | * @new_sector: The starting sector for the new bio | |
449 | * | |
450 | * The bio request @bio in request queue @q needs to be split into two | |
451 | * bio requests. The newly created @bio request starts at | |
452 | * @new_sector. This split may be required due to hardware limitation | |
453 | * such as operation crossing device boundaries in a RAID system. | |
454 | */ | |
3bc29f0a | 455 | LTTNG_TRACEPOINT_EVENT(block_split, |
f62b389e MD |
456 | |
457 | TP_PROTO(struct request_queue *q, struct bio *bio, | |
458 | unsigned int new_sector), | |
459 | ||
460 | TP_ARGS(q, bio, new_sector), | |
461 | ||
f127e61e | 462 | TP_FIELDS( |
7feabe53 | 463 | ctf_integer(dev_t, dev, bio_dev(bio)) |
f127e61e MD |
464 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
465 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
466 | lttng_bio_op(bio), lttng_bio_rw(bio), |
467 | bio->bi_iter.bi_size) | |
f127e61e MD |
468 | ctf_integer(sector_t, new_sector, new_sector) |
469 | ctf_integer(pid_t, tid, current->pid) | |
470 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
471 | ) | |
f62b389e MD |
472 | ) |
473 | ||
474 | /** | |
475 | * block_bio_remap - map request for a logical device to the raw device | |
476 | * @q: queue holding the operation | |
477 | * @bio: revised operation | |
478 | * @dev: device for the operation | |
479 | * @from: original sector for the operation | |
480 | * | |
481 | * An operation for a logical device has been mapped to the | |
482 | * raw block device. | |
483 | */ | |
3bc29f0a | 484 | LTTNG_TRACEPOINT_EVENT(block_bio_remap, |
f62b389e MD |
485 | |
486 | TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, | |
487 | sector_t from), | |
488 | ||
489 | TP_ARGS(q, bio, dev, from), | |
490 | ||
f127e61e | 491 | TP_FIELDS( |
7feabe53 | 492 | ctf_integer(dev_t, dev, bio_dev(bio)) |
f127e61e MD |
493 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
494 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
495 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
496 | lttng_bio_op(bio), lttng_bio_rw(bio), |
497 | bio->bi_iter.bi_size) | |
f127e61e MD |
498 | ctf_integer(dev_t, old_dev, dev) |
499 | ctf_integer(sector_t, old_sector, from) | |
500 | ) | |
f62b389e MD |
501 | ) |
502 | ||
503 | /** | |
504 | * block_rq_remap - map request for a block operation request | |
505 | * @q: queue holding the operation | |
506 | * @rq: block IO operation request | |
507 | * @dev: device for the operation | |
508 | * @from: original sector for the operation | |
509 | * | |
510 | * The block operation request @rq in @q has been remapped. The block | |
511 | * operation request @rq holds the current information and @from hold | |
512 | * the original sector. | |
513 | */ | |
3bc29f0a | 514 | LTTNG_TRACEPOINT_EVENT(block_rq_remap, |
f62b389e MD |
515 | |
516 | TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev, | |
517 | sector_t from), | |
518 | ||
519 | TP_ARGS(q, rq, dev, from), | |
520 | ||
f127e61e MD |
521 | TP_FIELDS( |
522 | ctf_integer(dev_t, dev, disk_devt(rq->rq_disk)) | |
523 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
524 | ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq)) | |
525 | ctf_integer(dev_t, old_dev, dev) | |
526 | ctf_integer(sector_t, old_sector, from) | |
527 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 528 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e | 529 | ) |
f62b389e MD |
530 | ) |
531 | ||
532 | #undef __print_rwbs_flags | |
533 | #undef blk_fill_rwbs | |
534 | ||
3bc29f0a | 535 | #endif /* LTTNG_TRACE_BLOCK_H */ |
f62b389e MD |
536 | |
537 | /* This part must be outside protection */ | |
b5304713 | 538 | #include <lttng/define_trace.h> |