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[lttng-modules.git] / include / instrumentation / events / block.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM block
4
5 #if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define LTTNG_TRACE_BLOCK_H
7
8 #include <lttng/tracepoint-event.h>
9 #include <linux/blktrace_api.h>
10 #include <linux/blkdev.h>
11 #include <linux/trace_seq.h>
12 #include <lttng/kernel-version.h>
13
14 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
15 #include <scsi/scsi_request.h>
16 #endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
17
18 #ifndef _TRACE_BLOCK_DEF_
19 #define _TRACE_BLOCK_DEF_
20
21 enum {
22 RWBS_FLAG_WRITE = (1 << 0),
23 RWBS_FLAG_DISCARD = (1 << 1),
24 RWBS_FLAG_READ = (1 << 2),
25 RWBS_FLAG_RAHEAD = (1 << 3),
26 RWBS_FLAG_BARRIER = (1 << 4),
27 RWBS_FLAG_SYNC = (1 << 5),
28 RWBS_FLAG_META = (1 << 6),
29 RWBS_FLAG_SECURE = (1 << 7),
30 RWBS_FLAG_FLUSH = (1 << 8),
31 RWBS_FLAG_FUA = (1 << 9),
32 RWBS_FLAG_PREFLUSH = (1 << 10),
33 };
34
35 #endif /* _TRACE_BLOCK_DEF_ */
36
37 #ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
38 LTTNG_TRACEPOINT_ENUM(block_rq_type,
39 TP_ENUM_VALUES(
40 ctf_enum_value("RWBS_FLAG_WRITE", RWBS_FLAG_WRITE)
41 ctf_enum_value("RWBS_FLAG_DISCARD", RWBS_FLAG_DISCARD)
42 ctf_enum_value("RWBS_FLAG_READ", RWBS_FLAG_READ)
43 ctf_enum_value("RWBS_FLAG_RAHEAD", RWBS_FLAG_RAHEAD)
44 ctf_enum_value("RWBS_FLAG_BARRIER", RWBS_FLAG_BARRIER)
45 ctf_enum_value("RWBS_FLAG_SYNC", RWBS_FLAG_SYNC)
46 ctf_enum_value("RWBS_FLAG_META", RWBS_FLAG_META)
47 ctf_enum_value("RWBS_FLAG_SECURE", RWBS_FLAG_SECURE)
48 ctf_enum_value("RWBS_FLAG_FLUSH", RWBS_FLAG_FLUSH)
49 ctf_enum_value("RWBS_FLAG_FUA", RWBS_FLAG_FUA)
50 ctf_enum_value("RWBS_FLAG_PREFLUSH", RWBS_FLAG_PREFLUSH)
51 )
52 )
53 #endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
54
55 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,8,0) || \
56 LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,73,6,0,0) || \
57 LTTNG_SLE_KERNEL_RANGE(4,4,82,6,0,0, 4,4,82,7,0,0) || \
58 LTTNG_SLE_KERNEL_RANGE(4,4,92,6,0,0, 4,4,92,7,0,0) || \
59 LTTNG_SLE_KERNEL_RANGE(4,4,103,6,0,0, 4,4,103,7,0,0) || \
60 LTTNG_SLE_KERNEL_RANGE(4,4,114,94,0,0, 4,4,114,95,0,0) || \
61 LTTNG_SLE_KERNEL_RANGE(4,4,120,94,0,0, 4,4,120,95,0,0) || \
62 LTTNG_SLE_KERNEL_RANGE(4,4,126,94,0,0, 4,5,0,0,0,0))
63
64 #define lttng_req_op(rq) req_op(rq)
65 #define lttng_req_rw(rq) ((rq)->cmd_flags)
66 #define lttng_bio_op(bio) bio_op(bio)
67 #define lttng_bio_rw(bio) ((bio)->bi_opf)
68
69 #ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
70 #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
71 ctf_enum(block_rq_type, type, rwbs, \
72 (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \
73 ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD : \
74 ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \
75 ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH : \
76 ( (op) == REQ_OP_READ ? RWBS_FLAG_READ : \
77 ( 0 )))))) \
78 | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
79 | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
80 | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
81 | ((rw) & REQ_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0) \
82 | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
83 #else
84 #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
85 ctf_integer(type, rwbs, \
86 (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \
87 ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD : \
88 ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \
89 ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH : \
90 ( (op) == REQ_OP_READ ? RWBS_FLAG_READ : \
91 ( 0 )))))) \
92 | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
93 | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
94 | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
95 | ((rw) & REQ_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0) \
96 | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
97 #endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
98
99 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
100
101 #define lttng_req_op(rq)
102 #define lttng_req_rw(rq) ((rq)->cmd_flags)
103 #define lttng_bio_op(bio)
104 #define lttng_bio_rw(bio) ((bio)->bi_rw)
105
106 #ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
107 #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
108 ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
109 ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
110 ( (bytes) ? RWBS_FLAG_READ : \
111 ( 0 )))) \
112 | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
113 | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
114 | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
115 | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \
116 | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \
117 | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
118 #else
119 #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
120 ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
121 ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
122 ( (bytes) ? RWBS_FLAG_READ : \
123 ( 0 )))) \
124 | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
125 | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
126 | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
127 | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \
128 | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \
129 | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
130 #endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
131
132 #else
133
134 #define lttng_req_op(rq)
135 #define lttng_req_rw(rq) ((rq)->cmd_flags)
136 #define lttng_bio_op(bio)
137 #define lttng_bio_rw(bio) ((bio)->bi_rw)
138
139 #ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
140 #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
141 ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
142 ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
143 ( (bytes) ? RWBS_FLAG_READ : \
144 ( 0 )))) \
145 | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
146 | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
147 | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
148 | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
149 #else
150 #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
151 ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
152 ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
153 ( (bytes) ? RWBS_FLAG_READ : \
154 ( 0 )))) \
155 | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
156 | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
157 | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
158 | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
159 #endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
160
161 #endif
162
163 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
164 LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer,
165
166 TP_PROTO(struct buffer_head *bh),
167
168 TP_ARGS(bh),
169
170 TP_FIELDS (
171 ctf_integer(dev_t, dev, bh->b_bdev->bd_dev)
172 ctf_integer(sector_t, sector, bh->b_blocknr)
173 ctf_integer(size_t, size, bh->b_size)
174 )
175 )
176
177 /**
178 * block_touch_buffer - mark a buffer accessed
179 * @bh: buffer_head being touched
180 *
181 * Called from touch_buffer().
182 */
183 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer,
184
185 TP_PROTO(struct buffer_head *bh),
186
187 TP_ARGS(bh)
188 )
189
190 /**
191 * block_dirty_buffer - mark a buffer dirty
192 * @bh: buffer_head being dirtied
193 *
194 * Called from mark_buffer_dirty().
195 */
196 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer,
197
198 TP_PROTO(struct buffer_head *bh),
199
200 TP_ARGS(bh)
201 )
202 #endif
203
204 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0))
205 /* block_rq_with_error event class removed in kernel 4.12 */
206 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
207 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
208
209 TP_PROTO(struct request_queue *q, struct request *rq),
210
211 TP_ARGS(q, rq),
212
213 TP_locvar(
214 sector_t sector;
215 unsigned int nr_sector;
216 unsigned char *cmd;
217 size_t cmd_len;
218 ),
219
220 TP_code_pre(
221 if (blk_rq_is_scsi(rq)) {
222 struct scsi_request *scsi_rq = scsi_req(rq);
223 tp_locvar->sector = 0;
224 tp_locvar->nr_sector = 0;
225 tp_locvar->cmd = scsi_rq->cmd;
226 tp_locvar->cmd_len = scsi_rq->cmd_len;
227 } else {
228 tp_locvar->sector = blk_rq_pos(rq);
229 tp_locvar->nr_sector = blk_rq_sectors(rq);
230 tp_locvar->cmd = NULL;
231 tp_locvar->cmd_len = 0;
232 }
233 ),
234
235 TP_FIELDS(
236 ctf_integer(dev_t, dev,
237 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
238 ctf_integer(sector_t, sector, tp_locvar->sector)
239 ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
240 ctf_integer(int, errors, rq->errors)
241 blk_rwbs_ctf_integer(unsigned int, rwbs,
242 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
243 ctf_sequence_hex(unsigned char, cmd,
244 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
245 ),
246
247 TP_code_post()
248 )
249 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
250 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
251
252 TP_PROTO(struct request_queue *q, struct request *rq),
253
254 TP_ARGS(q, rq),
255
256 TP_locvar(
257 sector_t sector;
258 unsigned int nr_sector;
259 unsigned char *cmd;
260 size_t cmd_len;
261 ),
262
263 TP_code_pre(
264
265 if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
266 tp_locvar->sector = 0;
267 tp_locvar->nr_sector = 0;
268 tp_locvar->cmd = rq->cmd;
269 tp_locvar->cmd_len = rq->cmd_len;
270 } else {
271 tp_locvar->sector = blk_rq_pos(rq);
272 tp_locvar->nr_sector = blk_rq_sectors(rq);
273 tp_locvar->cmd = NULL;
274 tp_locvar->cmd_len = 0;
275 }
276 ),
277
278 TP_FIELDS(
279 ctf_integer(dev_t, dev,
280 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
281 ctf_integer(sector_t, sector, tp_locvar->sector)
282 ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
283 ctf_integer(int, errors, rq->errors)
284 blk_rwbs_ctf_integer(unsigned int, rwbs,
285 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
286 ctf_sequence_hex(unsigned char, cmd,
287 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
288 ),
289
290 TP_code_post()
291 )
292 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
293
294 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,12,0))
295 /**
296 * block_rq_abort - abort block operation request
297 * @q: queue containing the block operation request
298 * @rq: block IO operation request
299 *
300 * Called immediately after pending block IO operation request @rq in
301 * queue @q is aborted. The fields in the operation request @rq
302 * can be examined to determine which device and sectors the pending
303 * operation would access.
304 */
305 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort,
306
307 TP_PROTO(struct request_queue *q, struct request *rq),
308
309 TP_ARGS(q, rq)
310 )
311 #endif
312
313 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
314 /**
315 * block_rq_requeue - place block IO request back on a queue
316 * @rq: block IO operation request
317 *
318 * The block operation request @rq is being placed back into queue
319 * @q. For some reason the request was not completed and needs to be
320 * put back in the queue.
321 */
322 LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
323
324 TP_PROTO(struct request *rq),
325
326 TP_ARGS(rq),
327
328 TP_FIELDS(
329 ctf_integer(dev_t, dev,
330 rq->q->disk ? disk_devt(rq->q->disk) : 0)
331 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
332 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
333 blk_rwbs_ctf_integer(unsigned int, rwbs,
334 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
335 )
336 )
337 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
338 /**
339 * block_rq_requeue - place block IO request back on a queue
340 * @rq: block IO operation request
341 *
342 * The block operation request @rq is being placed back into queue
343 * @q. For some reason the request was not completed and needs to be
344 * put back in the queue.
345 */
346 LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
347
348 TP_PROTO(struct request *rq),
349
350 TP_ARGS(rq),
351
352 TP_FIELDS(
353 ctf_integer(dev_t, dev,
354 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
355 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
356 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
357 blk_rwbs_ctf_integer(unsigned int, rwbs,
358 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
359 )
360 )
361 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0))
362 /**
363 * block_rq_requeue - place block IO request back on a queue
364 * @q: queue holding operation
365 * @rq: block IO operation request
366 *
367 * The block operation request @rq is being placed back into queue
368 * @q. For some reason the request was not completed and needs to be
369 * put back in the queue.
370 */
371 LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
372
373 TP_PROTO(struct request_queue *q, struct request *rq),
374
375 TP_ARGS(q, rq),
376
377 TP_FIELDS(
378 ctf_integer(dev_t, dev,
379 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
380 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
381 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
382 blk_rwbs_ctf_integer(unsigned int, rwbs,
383 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
384 )
385 )
386 #else
387 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue,
388
389 TP_PROTO(struct request_queue *q, struct request *rq),
390
391 TP_ARGS(q, rq)
392 )
393 #endif
394
395 /**
396 * block_rq_complete - block IO operation completed by device driver
397 * @q: queue containing the block operation request
398 * @rq: block operations request
399 * @nr_bytes: number of completed bytes
400 *
401 * The block_rq_complete tracepoint event indicates that some portion
402 * of operation request has been completed by the device driver. If
403 * the @rq->bio is %NULL, then there is absolutely no additional work to
404 * do for the request. If @rq->bio is non-NULL then there is
405 * additional work required to complete the request.
406 */
407 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
408 LTTNG_TRACEPOINT_EVENT(block_rq_complete,
409
410 TP_PROTO(struct request *rq, blk_status_t error, unsigned int nr_bytes),
411
412 TP_ARGS(rq, error, nr_bytes),
413
414 TP_FIELDS(
415 ctf_integer(dev_t, dev,
416 rq->q->disk ? disk_devt(rq->q->disk) : 0)
417 ctf_integer(sector_t, sector, blk_rq_pos(rq))
418 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
419 ctf_integer(int, error, blk_status_to_errno(error))
420 blk_rwbs_ctf_integer(unsigned int, rwbs,
421 lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
422 )
423 )
424 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,16,0))
425 LTTNG_TRACEPOINT_EVENT(block_rq_complete,
426
427 TP_PROTO(struct request *rq, blk_status_t error, unsigned int nr_bytes),
428
429 TP_ARGS(rq, error, nr_bytes),
430
431 TP_FIELDS(
432 ctf_integer(dev_t, dev,
433 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
434 ctf_integer(sector_t, sector, blk_rq_pos(rq))
435 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
436 ctf_integer(int, error, blk_status_to_errno(error))
437 blk_rwbs_ctf_integer(unsigned int, rwbs,
438 lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
439 )
440 )
441 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0))
442 LTTNG_TRACEPOINT_EVENT(block_rq_complete,
443
444 TP_PROTO(struct request *rq, int error, unsigned int nr_bytes),
445
446 TP_ARGS(rq, error, nr_bytes),
447
448 TP_FIELDS(
449 ctf_integer(dev_t, dev,
450 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
451 ctf_integer(sector_t, sector, blk_rq_pos(rq))
452 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
453 ctf_integer(int, error, error)
454 blk_rwbs_ctf_integer(unsigned int, rwbs,
455 lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
456 )
457 )
458 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
459 LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
460
461 TP_PROTO(struct request_queue *q, struct request *rq,
462 unsigned int nr_bytes),
463
464 TP_ARGS(q, rq, nr_bytes),
465
466 TP_locvar(
467 unsigned char *cmd;
468 size_t cmd_len;
469 ),
470
471 TP_code_pre(
472 if (blk_rq_is_scsi(rq)) {
473 struct scsi_request *scsi_rq = scsi_req(rq);
474 tp_locvar->cmd = scsi_rq->cmd;
475 tp_locvar->cmd_len = scsi_rq->cmd_len;
476 } else {
477 tp_locvar->cmd = NULL;
478 tp_locvar->cmd_len = 0;
479 }
480 ),
481
482 TP_FIELDS(
483 ctf_integer(dev_t, dev,
484 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
485 ctf_integer(sector_t, sector, blk_rq_pos(rq))
486 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
487 ctf_integer(int, errors, rq->errors)
488 blk_rwbs_ctf_integer(unsigned int, rwbs,
489 lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
490 ctf_sequence_hex(unsigned char, cmd,
491 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
492 ),
493
494 TP_code_post()
495 )
496 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,5) \
497 || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \
498 || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \
499 || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0) \
500 || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \
501 || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0) \
502 || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0))
503
504 LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
505
506 TP_PROTO(struct request_queue *q, struct request *rq,
507 unsigned int nr_bytes),
508
509 TP_ARGS(q, rq, nr_bytes),
510
511 TP_locvar(
512 unsigned char *cmd;
513 size_t cmd_len;
514 ),
515
516 TP_code_pre(
517 if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
518 tp_locvar->cmd = rq->cmd;
519 tp_locvar->cmd_len = rq->cmd_len;
520 } else {
521 tp_locvar->cmd = NULL;
522 tp_locvar->cmd_len = 0;
523 }
524 ),
525
526 TP_FIELDS(
527 ctf_integer(dev_t, dev,
528 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
529 ctf_integer(sector_t, sector, blk_rq_pos(rq))
530 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
531 ctf_integer(int, errors, rq->errors)
532 blk_rwbs_ctf_integer(unsigned int, rwbs,
533 lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
534 ctf_sequence_hex(unsigned char, cmd,
535 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
536 ),
537
538 TP_code_post()
539 )
540
541 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */
542
543 /**
544 * block_rq_complete - block IO operation completed by device driver
545 * @q: queue containing the block operation request
546 * @rq: block operations request
547 *
548 * The block_rq_complete tracepoint event indicates that some portion
549 * of operation request has been completed by the device driver. If
550 * the @rq->bio is %NULL, then there is absolutely no additional work to
551 * do for the request. If @rq->bio is non-NULL then there is
552 * additional work required to complete the request.
553 */
554 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete,
555
556 TP_PROTO(struct request_queue *q, struct request *rq),
557
558 TP_ARGS(q, rq)
559 )
560
561 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */
562
563 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
564 LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
565
566 TP_PROTO(struct request *rq),
567
568 TP_ARGS(rq),
569
570 TP_FIELDS(
571 ctf_integer(dev_t, dev,
572 rq->q->disk ? disk_devt(rq->q->disk) : 0)
573 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
574 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
575 ctf_integer(unsigned int, bytes, blk_rq_bytes(rq))
576 ctf_integer(pid_t, tid, current->pid)
577 blk_rwbs_ctf_integer(unsigned int, rwbs,
578 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
579 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
580 )
581 )
582 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
583 LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
584
585 TP_PROTO(struct request *rq),
586
587 TP_ARGS(rq),
588
589 TP_FIELDS(
590 ctf_integer(dev_t, dev,
591 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
592 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
593 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
594 ctf_integer(unsigned int, bytes, blk_rq_bytes(rq))
595 ctf_integer(pid_t, tid, current->pid)
596 blk_rwbs_ctf_integer(unsigned int, rwbs,
597 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
598 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
599 )
600 )
601 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0))
602 LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
603
604 TP_PROTO(struct request_queue *q, struct request *rq),
605
606 TP_ARGS(q, rq),
607
608 TP_FIELDS(
609 ctf_integer(dev_t, dev,
610 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
611 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
612 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
613 ctf_integer(unsigned int, bytes, blk_rq_bytes(rq))
614 ctf_integer(pid_t, tid, current->pid)
615 blk_rwbs_ctf_integer(unsigned int, rwbs,
616 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
617 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
618 )
619 )
620 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
621 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
622
623 TP_PROTO(struct request_queue *q, struct request *rq),
624
625 TP_ARGS(q, rq),
626
627 TP_locvar(
628 sector_t sector;
629 unsigned int nr_sector;
630 unsigned int bytes;
631 unsigned char *cmd;
632 size_t cmd_len;
633 ),
634
635 TP_code_pre(
636 if (blk_rq_is_scsi(rq)) {
637 struct scsi_request *scsi_rq = scsi_req(rq);
638 tp_locvar->sector = 0;
639 tp_locvar->nr_sector = 0;
640 tp_locvar->bytes = scsi_rq->resid_len;
641 tp_locvar->cmd = scsi_rq->cmd;
642 tp_locvar->cmd_len = scsi_rq->cmd_len;
643 } else {
644 tp_locvar->sector = blk_rq_pos(rq);
645 tp_locvar->nr_sector = blk_rq_sectors(rq);
646 tp_locvar->bytes = 0;
647 tp_locvar->cmd = NULL;
648 tp_locvar->cmd_len = 0;
649 }
650 ),
651
652 TP_FIELDS(
653 ctf_integer(dev_t, dev,
654 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
655 ctf_integer(sector_t, sector, tp_locvar->sector)
656 ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
657 ctf_integer(unsigned int, bytes, tp_locvar->bytes)
658 ctf_integer(pid_t, tid, current->pid)
659 blk_rwbs_ctf_integer(unsigned int, rwbs,
660 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
661 ctf_sequence_hex(unsigned char, cmd,
662 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
663 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
664 ),
665
666 TP_code_post()
667 )
668 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
669 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
670
671 TP_PROTO(struct request_queue *q, struct request *rq),
672
673 TP_ARGS(q, rq),
674
675 TP_locvar(
676 sector_t sector;
677 unsigned int nr_sector;
678 unsigned int bytes;
679 unsigned char *cmd;
680 size_t cmd_len;
681 ),
682
683 TP_code_pre(
684 if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
685 tp_locvar->sector = 0;
686 tp_locvar->nr_sector = 0;
687 tp_locvar->bytes = blk_rq_bytes(rq);
688 tp_locvar->cmd = rq->cmd;
689 tp_locvar->cmd_len = rq->cmd_len;
690 } else {
691 tp_locvar->sector = blk_rq_pos(rq);
692 tp_locvar->nr_sector = blk_rq_sectors(rq);
693 tp_locvar->bytes = 0;
694 tp_locvar->cmd = NULL;
695 tp_locvar->cmd_len = 0;
696 }
697 ),
698
699 TP_FIELDS(
700 ctf_integer(dev_t, dev,
701 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
702 ctf_integer(sector_t, sector, tp_locvar->sector)
703 ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
704 ctf_integer(unsigned int, bytes, tp_locvar->bytes)
705 ctf_integer(pid_t, tid, current->pid)
706 blk_rwbs_ctf_integer(unsigned int, rwbs,
707 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
708 ctf_sequence_hex(unsigned char, cmd,
709 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
710 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
711 ),
712
713 TP_code_post()
714 )
715 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
716
717 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
718 /**
719 * block_rq_insert - insert block operation request into queue
720 * @rq: block IO operation request
721 *
722 * Called immediately before block operation request @rq is inserted
723 * into queue @q. The fields in the operation request @rq struct can
724 * be examined to determine which device and sectors the pending
725 * operation would access.
726 */
727 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert,
728
729 TP_PROTO(struct request *rq),
730
731 TP_ARGS(rq)
732 )
733 #else
734 /**
735 * block_rq_insert - insert block operation request into queue
736 * @q: target queue
737 * @rq: block IO operation request
738 *
739 * Called immediately before block operation request @rq is inserted
740 * into queue @q. The fields in the operation request @rq struct can
741 * be examined to determine which device and sectors the pending
742 * operation would access.
743 */
744 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert,
745
746 TP_PROTO(struct request_queue *q, struct request *rq),
747
748 TP_ARGS(q, rq)
749 )
750 #endif
751
752 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
753 /**
754 * block_rq_issue - issue pending block IO request operation to device driver
755 * @rq: block IO operation operation request
756 *
757 * Called when block operation request @rq from queue @q is sent to a
758 * device driver for processing.
759 */
760 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue,
761
762 TP_PROTO(struct request *rq),
763
764 TP_ARGS(rq)
765 )
766 #else
767 /**
768 * block_rq_issue - issue pending block IO request operation to device driver
769 * @q: queue holding operation
770 * @rq: block IO operation operation request
771 *
772 * Called when block operation request @rq from queue @q is sent to a
773 * device driver for processing.
774 */
775 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue,
776
777 TP_PROTO(struct request_queue *q, struct request *rq),
778
779 TP_ARGS(q, rq)
780 )
781 #endif
782
783 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
784 /**
785 * block_rq_merge - merge request with another one in the elevator
786 * @rq: block IO operation operation request
787 *
788 * Called when block operation request @rq from queue @q is merged to another
789 * request queued in the elevator.
790 */
791 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge,
792
793 TP_PROTO(struct request *rq),
794
795 TP_ARGS(rq)
796 )
797 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0))
798 /**
799 * block_rq_merge - merge request with another one in the elevator
800 * @q: queue holding operation
801 * @rq: block IO operation operation request
802 *
803 * Called when block operation request @rq from queue @q is merged to another
804 * request queued in the elevator.
805 */
806 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge,
807
808 TP_PROTO(struct request_queue *q, struct request *rq),
809
810 TP_ARGS(q, rq)
811 )
812 #endif
813
814 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0) || \
815 LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
816
817 /**
818 * block_bio_complete - completed all work on the block operation
819 * @q: queue holding the block operation
820 * @bio: block operation completed
821 * @error: io error value
822 *
823 * This tracepoint indicates there is no further work to do on this
824 * block IO operation @bio.
825 */
826 LTTNG_TRACEPOINT_EVENT(block_bio_complete,
827
828 TP_PROTO(struct request_queue *q, struct bio *bio),
829
830 TP_ARGS(q, bio),
831
832 TP_FIELDS(
833 ctf_integer(dev_t, dev, bio_dev(bio))
834 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
835 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
836 ctf_integer(int, error, blk_status_to_errno(bio->bi_status))
837 blk_rwbs_ctf_integer(unsigned int, rwbs,
838 lttng_bio_op(bio), lttng_bio_rw(bio),
839 bio->bi_iter.bi_size)
840 )
841 )
842 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
843 /**
844 * block_bio_complete - completed all work on the block operation
845 * @q: queue holding the block operation
846 * @bio: block operation completed
847 * @error: io error value
848 *
849 * This tracepoint indicates there is no further work to do on this
850 * block IO operation @bio.
851 */
852 LTTNG_TRACEPOINT_EVENT(block_bio_complete,
853
854 TP_PROTO(struct request_queue *q, struct bio *bio, int error),
855
856 TP_ARGS(q, bio, error),
857
858 TP_FIELDS(
859 ctf_integer(dev_t, dev, bio_dev(bio))
860 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
861 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
862 ctf_integer(int, error, error)
863 blk_rwbs_ctf_integer(unsigned int, rwbs,
864 lttng_bio_op(bio), lttng_bio_rw(bio),
865 bio->bi_iter.bi_size)
866 )
867 )
868 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
869 /**
870 * block_bio_complete - completed all work on the block operation
871 * @q: queue holding the block operation
872 * @bio: block operation completed
873 * @error: io error value
874 *
875 * This tracepoint indicates there is no further work to do on this
876 * block IO operation @bio.
877 */
878 LTTNG_TRACEPOINT_EVENT(block_bio_complete,
879
880 TP_PROTO(struct request_queue *q, struct bio *bio, int error),
881
882 TP_ARGS(q, bio, error),
883
884 TP_FIELDS(
885 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
886 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
887 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
888 ctf_integer(int, error, error)
889 blk_rwbs_ctf_integer(unsigned int, rwbs,
890 lttng_bio_op(bio), lttng_bio_rw(bio),
891 bio->bi_iter.bi_size)
892 )
893 )
894 #else
895 /**
896 * block_bio_complete - completed all work on the block operation
897 * @q: queue holding the block operation
898 * @bio: block operation completed
899 * @error: io error value
900 *
901 * This tracepoint indicates there is no further work to do on this
902 * block IO operation @bio.
903 */
904 LTTNG_TRACEPOINT_EVENT(block_bio_complete,
905
906 TP_PROTO(struct request_queue *q, struct bio *bio, int error),
907
908 TP_ARGS(q, bio, error),
909
910 TP_FIELDS(
911 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
912 ctf_integer(sector_t, sector, bio->bi_sector)
913 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
914 ctf_integer(int, error, error)
915 blk_rwbs_ctf_integer(unsigned int, rwbs,
916 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
917 )
918 )
919 #endif
920
921 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
922 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio,
923
924 TP_PROTO(struct bio *bio),
925
926 TP_ARGS(bio),
927
928 TP_FIELDS(
929 ctf_integer(dev_t, dev, bio_dev(bio))
930 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
931 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
932 blk_rwbs_ctf_integer(unsigned int, rwbs,
933 lttng_bio_op(bio), lttng_bio_rw(bio),
934 bio->bi_iter.bi_size)
935 ctf_integer(pid_t, tid, current->pid)
936 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
937 )
938 )
939 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
940 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
941
942 TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
943
944 TP_ARGS(q, rq, bio),
945
946 TP_FIELDS(
947 ctf_integer(dev_t, dev, bio_dev(bio))
948 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
949 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
950 blk_rwbs_ctf_integer(unsigned int, rwbs,
951 lttng_bio_op(bio), lttng_bio_rw(bio),
952 bio->bi_iter.bi_size)
953 ctf_integer(pid_t, tid, current->pid)
954 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
955 )
956 )
957 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
958 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
959
960 TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
961
962 TP_ARGS(q, rq, bio),
963
964 TP_FIELDS(
965 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
966 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
967 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
968 blk_rwbs_ctf_integer(unsigned int, rwbs,
969 lttng_bio_op(bio), lttng_bio_rw(bio),
970 bio->bi_iter.bi_size)
971 ctf_integer(pid_t, tid, current->pid)
972 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
973 )
974 )
975 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
976 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
977
978 TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
979
980 TP_ARGS(q, rq, bio),
981
982 TP_FIELDS(
983 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
984 ctf_integer(sector_t, sector, bio->bi_sector)
985 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
986 blk_rwbs_ctf_integer(unsigned int, rwbs,
987 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
988 ctf_integer(pid_t, tid, current->pid)
989 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
990 )
991 )
992 #endif
993
994
995
996 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
997 /**
998 * block_bio_bounce - used bounce buffer when processing block operation
999 * @bio: block operation
1000 *
1001 * A bounce buffer was used to handle the block operation @bio in @q.
1002 * This occurs when hardware limitations prevent a direct transfer of
1003 * data between the @bio data memory area and the IO device. Use of a
1004 * bounce buffer requires extra copying of data and decreases
1005 * performance.
1006 */
1007 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_bounce,
1008
1009 TP_PROTO(struct bio *bio),
1010
1011 TP_ARGS(bio)
1012 )
1013 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1014 /**
1015 * block_bio_bounce - used bounce buffer when processing block operation
1016 * @q: queue holding the block operation
1017 * @bio: block operation
1018 *
1019 * A bounce buffer was used to handle the block operation @bio in @q.
1020 * This occurs when hardware limitations prevent a direct transfer of
1021 * data between the @bio data memory area and the IO device. Use of a
1022 * bounce buffer requires extra copying of data and decreases
1023 * performance.
1024 */
1025 LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
1026
1027 TP_PROTO(struct request_queue *q, struct bio *bio),
1028
1029 TP_ARGS(q, bio),
1030
1031 TP_FIELDS(
1032 ctf_integer(dev_t, dev, bio_dev(bio))
1033 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1034 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
1035 blk_rwbs_ctf_integer(unsigned int, rwbs,
1036 lttng_bio_op(bio), lttng_bio_rw(bio),
1037 bio->bi_iter.bi_size)
1038 ctf_integer(pid_t, tid, current->pid)
1039 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1040 )
1041 )
1042 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1043 LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
1044
1045 TP_PROTO(struct request_queue *q, struct bio *bio),
1046
1047 TP_ARGS(q, bio),
1048
1049 TP_FIELDS(
1050 ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
1051 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1052 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
1053 blk_rwbs_ctf_integer(unsigned int, rwbs,
1054 lttng_bio_op(bio), lttng_bio_rw(bio),
1055 bio->bi_iter.bi_size)
1056 ctf_integer(pid_t, tid, current->pid)
1057 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1058 )
1059 )
1060 #else
1061 LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
1062
1063 TP_PROTO(struct request_queue *q, struct bio *bio),
1064
1065 TP_ARGS(q, bio),
1066
1067 TP_FIELDS(
1068 ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
1069 ctf_integer(sector_t, sector, bio->bi_sector)
1070 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
1071 blk_rwbs_ctf_integer(unsigned int, rwbs,
1072 lttng_bio_op(bio), lttng_bio_rw(bio),
1073 bio->bi_size)
1074 ctf_integer(pid_t, tid, current->pid)
1075 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1076 )
1077 )
1078 #endif
1079
1080
1081 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1082 /**
1083 * block_bio_backmerge - merging block operation to the end of an existing operation
1084 * @bio: new block operation to merge
1085 *
1086 * Merging block request @bio to the end of an existing block request.
1087 */
1088 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge,
1089
1090 TP_PROTO(struct bio *bio),
1091
1092 TP_ARGS(bio)
1093 )
1094
1095 /**
1096 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
1097 * @bio: new block operation to merge
1098 *
1099 * Merging block IO operation @bio to the beginning of an existing block request.
1100 */
1101 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge,
1102
1103 TP_PROTO(struct bio *bio),
1104
1105 TP_ARGS(bio)
1106 )
1107
1108 /**
1109 * block_bio_queue - putting new block IO operation in queue
1110 * @bio: new block operation
1111 *
1112 * About to place the block IO operation @bio into queue @q.
1113 */
1114 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue,
1115
1116 TP_PROTO(struct bio *bio),
1117
1118 TP_ARGS(bio)
1119 )
1120 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
1121 /**
1122 * block_bio_backmerge - merging block operation to the end of an existing operation
1123 * @q: queue holding operation
1124 * @rq: request bio is being merged into
1125 * @bio: new block operation to merge
1126 *
1127 * Merging block request @bio to the end of an existing block request
1128 * in queue @q.
1129 */
1130 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge,
1131
1132 TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
1133
1134 TP_ARGS(q, rq, bio)
1135 )
1136
1137 /**
1138 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
1139 * @q: queue holding operation
1140 * @rq: request bio is being merged into
1141 * @bio: new block operation to merge
1142 *
1143 * Merging block IO operation @bio to the beginning of an existing block
1144 * operation in queue @q.
1145 */
1146 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge,
1147
1148 TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
1149
1150 TP_ARGS(q, rq, bio)
1151 )
1152
1153 /**
1154 * block_bio_queue - putting new block IO operation in queue
1155 * @q: queue holding operation
1156 * @bio: new block operation
1157 *
1158 * About to place the block IO operation @bio into queue @q.
1159 */
1160 LTTNG_TRACEPOINT_EVENT(block_bio_queue,
1161
1162 TP_PROTO(struct request_queue *q, struct bio *bio),
1163
1164 TP_ARGS(q, bio),
1165
1166 TP_FIELDS(
1167 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1168 ctf_integer(dev_t, dev, bio_dev(bio))
1169 #else
1170 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
1171 #endif
1172 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1173 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1174 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
1175 blk_rwbs_ctf_integer(unsigned int, rwbs,
1176 lttng_bio_op(bio), lttng_bio_rw(bio),
1177 bio->bi_iter.bi_size)
1178 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1179 ctf_integer(sector_t, sector, bio->bi_sector)
1180 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
1181 blk_rwbs_ctf_integer(unsigned int, rwbs,
1182 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
1183 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1184 ctf_integer(pid_t, tid, current->pid)
1185 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1186 )
1187 )
1188 #else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
1189 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio,
1190
1191 TP_PROTO(struct request_queue *q, struct bio *bio),
1192
1193 TP_ARGS(q, bio),
1194
1195 TP_FIELDS(
1196 ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
1197 ctf_integer(sector_t, sector, bio->bi_sector)
1198 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
1199 blk_rwbs_ctf_integer(unsigned int, rwbs,
1200 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
1201 ctf_integer(pid_t, tid, current->pid)
1202 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1203 )
1204 )
1205
1206 /**
1207 * block_bio_backmerge - merging block operation to the end of an existing operation
1208 * @q: queue holding operation
1209 * @bio: new block operation to merge
1210 *
1211 * Merging block request @bio to the end of an existing block request
1212 * in queue @q.
1213 */
1214 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge,
1215
1216 TP_PROTO(struct request_queue *q, struct bio *bio),
1217
1218 TP_ARGS(q, bio)
1219 )
1220
1221 /**
1222 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
1223 * @q: queue holding operation
1224 * @bio: new block operation to merge
1225 *
1226 * Merging block IO operation @bio to the beginning of an existing block
1227 * operation in queue @q.
1228 */
1229 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge,
1230
1231 TP_PROTO(struct request_queue *q, struct bio *bio),
1232
1233 TP_ARGS(q, bio)
1234 )
1235
1236 /**
1237 * block_bio_queue - putting new block IO operation in queue
1238 * @q: queue holding operation
1239 * @bio: new block operation
1240 *
1241 * About to place the block IO operation @bio into queue @q.
1242 */
1243 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue,
1244
1245 TP_PROTO(struct request_queue *q, struct bio *bio),
1246
1247 TP_ARGS(q, bio)
1248 )
1249 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
1250
1251 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1252 /**
1253 * block_getrq - get a free request entry in queue for block IO operations
1254 * @bio: pending block IO operation (can be %NULL)
1255 *
1256 * A request struct has been allocated to handle the block IO operation @bio.
1257 */
1258 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_getrq,
1259
1260 TP_PROTO(struct bio *bio),
1261
1262 TP_ARGS(bio)
1263 )
1264 #else
1265 LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
1266
1267 TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
1268
1269 TP_ARGS(q, bio, rw),
1270
1271 TP_FIELDS(
1272 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1273 ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0)
1274 #else
1275 ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0)
1276 #endif
1277 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1278 ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0)
1279 ctf_integer(unsigned int, nr_sector,
1280 bio ? bio_sectors(bio) : 0)
1281 blk_rwbs_ctf_integer(unsigned int, rwbs,
1282 bio ? lttng_bio_op(bio) : 0,
1283 bio ? lttng_bio_rw(bio) : 0,
1284 bio ? bio->bi_iter.bi_size : 0)
1285 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1286 ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0)
1287 ctf_integer(unsigned int, nr_sector,
1288 bio ? bio->bi_size >> 9 : 0)
1289 blk_rwbs_ctf_integer(unsigned int, rwbs,
1290 bio ? lttng_bio_op(bio) : 0,
1291 bio ? lttng_bio_rw(bio) : 0,
1292 bio ? bio->bi_size : 0)
1293 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1294 ctf_integer(pid_t, tid, current->pid)
1295 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1296 )
1297 )
1298
1299 /**
1300 * block_getrq - get a free request entry in queue for block IO operations
1301 * @q: queue for operations
1302 * @bio: pending block IO operation (can be %NULL)
1303 * @rw: low bit indicates a read (%0) or a write (%1)
1304 *
1305 * A request struct for queue @q has been allocated to handle the
1306 * block IO operation @bio.
1307 */
1308 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq,
1309
1310 TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
1311
1312 TP_ARGS(q, bio, rw)
1313 )
1314
1315 /**
1316 * block_sleeprq - waiting to get a free request entry in queue for block IO operation
1317 * @q: queue for operation
1318 * @bio: pending block IO operation (can be %NULL)
1319 * @rw: low bit indicates a read (%0) or a write (%1)
1320 *
1321 * In the case where a request struct cannot be provided for queue @q
1322 * the process needs to wait for an request struct to become
1323 * available. This tracepoint event is generated each time the
1324 * process goes to sleep waiting for request struct become available.
1325 */
1326 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq,
1327
1328 TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
1329
1330 TP_ARGS(q, bio, rw)
1331 )
1332 #endif
1333
1334 /**
1335 * block_plug - keep operations requests in request queue
1336 * @q: request queue to plug
1337 *
1338 * Plug the request queue @q. Do not allow block operation requests
1339 * to be sent to the device driver. Instead, accumulate requests in
1340 * the queue to improve throughput performance of the block device.
1341 */
1342 LTTNG_TRACEPOINT_EVENT(block_plug,
1343
1344 TP_PROTO(struct request_queue *q),
1345
1346 TP_ARGS(q),
1347
1348 TP_FIELDS(
1349 ctf_integer(pid_t, tid, current->pid)
1350 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1351 )
1352 )
1353
1354 LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug,
1355
1356 TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
1357
1358 TP_ARGS(q, depth, explicit),
1359
1360 TP_FIELDS(
1361 ctf_integer(int, nr_rq, depth)
1362 ctf_integer(pid_t, tid, current->pid)
1363 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1364 )
1365 )
1366
1367 /**
1368 * block_unplug - release of operations requests in request queue
1369 * @q: request queue to unplug
1370 * @depth: number of requests just added to the queue
1371 * @explicit: whether this was an explicit unplug, or one from schedule()
1372 *
1373 * Unplug request queue @q because device driver is scheduled to work
1374 * on elements in the request queue.
1375 */
1376 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug,
1377
1378 TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
1379
1380 TP_ARGS(q, depth, explicit)
1381 )
1382
1383 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1384 /**
1385 * block_split - split a single bio struct into two bio structs
1386 * @bio: block operation being split
1387 * @new_sector: The starting sector for the new bio
1388 *
1389 * The bio request @bio needs to be split into two bio requests. The newly
1390 * created @bio request starts at @new_sector. This split may be required due to
1391 * hardware limitations such as operation crossing device boundaries in a RAID
1392 * system.
1393 */
1394 LTTNG_TRACEPOINT_EVENT(block_split,
1395
1396 TP_PROTO(struct bio *bio, unsigned int new_sector),
1397
1398 TP_ARGS(bio, new_sector),
1399
1400 TP_FIELDS(
1401 ctf_integer(dev_t, dev, bio_dev(bio))
1402 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1403 blk_rwbs_ctf_integer(unsigned int, rwbs,
1404 lttng_bio_op(bio), lttng_bio_rw(bio),
1405 bio->bi_iter.bi_size)
1406 ctf_integer(sector_t, new_sector, new_sector)
1407 ctf_integer(pid_t, tid, current->pid)
1408 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1409 )
1410 )
1411
1412 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1413 /**
1414 * block_split - split a single bio struct into two bio structs
1415 * @q: queue containing the bio
1416 * @bio: block operation being split
1417 * @new_sector: The starting sector for the new bio
1418 *
1419 * The bio request @bio in request queue @q needs to be split into two
1420 * bio requests. The newly created @bio request starts at
1421 * @new_sector. This split may be required due to hardware limitation
1422 * such as operation crossing device boundaries in a RAID system.
1423 */
1424 LTTNG_TRACEPOINT_EVENT(block_split,
1425
1426 TP_PROTO(struct request_queue *q, struct bio *bio,
1427 unsigned int new_sector),
1428
1429 TP_ARGS(q, bio, new_sector),
1430
1431 TP_FIELDS(
1432 ctf_integer(dev_t, dev, bio_dev(bio))
1433 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1434 blk_rwbs_ctf_integer(unsigned int, rwbs,
1435 lttng_bio_op(bio), lttng_bio_rw(bio),
1436 bio->bi_iter.bi_size)
1437 ctf_integer(sector_t, new_sector, new_sector)
1438 ctf_integer(pid_t, tid, current->pid)
1439 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1440 )
1441 )
1442 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1443 LTTNG_TRACEPOINT_EVENT(block_split,
1444
1445 TP_PROTO(struct request_queue *q, struct bio *bio,
1446 unsigned int new_sector),
1447
1448 TP_ARGS(q, bio, new_sector),
1449
1450 TP_FIELDS(
1451 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
1452 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1453 blk_rwbs_ctf_integer(unsigned int, rwbs,
1454 lttng_bio_op(bio), lttng_bio_rw(bio),
1455 bio->bi_iter.bi_size)
1456 ctf_integer(sector_t, new_sector, new_sector)
1457 ctf_integer(pid_t, tid, current->pid)
1458 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1459 )
1460 )
1461 #else
1462 LTTNG_TRACEPOINT_EVENT(block_split,
1463
1464 TP_PROTO(struct request_queue *q, struct bio *bio,
1465 unsigned int new_sector),
1466
1467 TP_ARGS(q, bio, new_sector),
1468
1469 TP_FIELDS(
1470 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
1471 ctf_integer(sector_t, sector, bio->bi_sector)
1472 blk_rwbs_ctf_integer(unsigned int, rwbs,
1473 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
1474 ctf_integer(sector_t, new_sector, new_sector)
1475 ctf_integer(pid_t, tid, current->pid)
1476 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1477 )
1478 )
1479 #endif
1480
1481 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1482 /**
1483 * block_bio_remap - map request for a logical device to the raw device
1484 * @bio: revised operation
1485 * @dev: original device for the operation
1486 * @from: original sector for the operation
1487 *
1488 * An operation for a logical device has been mapped to the
1489 * raw block device.
1490 */
1491 LTTNG_TRACEPOINT_EVENT(block_bio_remap,
1492
1493 TP_PROTO(struct bio *bio, dev_t dev, sector_t from),
1494
1495 TP_ARGS(bio, dev, from),
1496
1497 TP_FIELDS(
1498 ctf_integer(dev_t, dev, bio_dev(bio))
1499 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1500 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
1501 blk_rwbs_ctf_integer(unsigned int, rwbs,
1502 lttng_bio_op(bio), lttng_bio_rw(bio),
1503 bio->bi_iter.bi_size)
1504 ctf_integer(dev_t, old_dev, dev)
1505 ctf_integer(sector_t, old_sector, from)
1506 )
1507 )
1508 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1509 /**
1510 * block_bio_remap - map request for a logical device to the raw device
1511 * @q: queue holding the operation
1512 * @bio: revised operation
1513 * @dev: device for the operation
1514 * @from: original sector for the operation
1515 *
1516 * An operation for a logical device has been mapped to the
1517 * raw block device.
1518 */
1519 LTTNG_TRACEPOINT_EVENT(block_bio_remap,
1520
1521 TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
1522 sector_t from),
1523
1524 TP_ARGS(q, bio, dev, from),
1525
1526 TP_FIELDS(
1527 ctf_integer(dev_t, dev, bio_dev(bio))
1528 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1529 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
1530 blk_rwbs_ctf_integer(unsigned int, rwbs,
1531 lttng_bio_op(bio), lttng_bio_rw(bio),
1532 bio->bi_iter.bi_size)
1533 ctf_integer(dev_t, old_dev, dev)
1534 ctf_integer(sector_t, old_sector, from)
1535 )
1536 )
1537 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1538 LTTNG_TRACEPOINT_EVENT(block_bio_remap,
1539
1540 TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
1541 sector_t from),
1542
1543 TP_ARGS(q, bio, dev, from),
1544
1545 TP_FIELDS(
1546 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
1547 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1548 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
1549 blk_rwbs_ctf_integer(unsigned int, rwbs,
1550 lttng_bio_op(bio), lttng_bio_rw(bio),
1551 bio->bi_iter.bi_size)
1552 ctf_integer(dev_t, old_dev, dev)
1553 ctf_integer(sector_t, old_sector, from)
1554 )
1555 )
1556 #else
1557 LTTNG_TRACEPOINT_EVENT(block_bio_remap,
1558
1559 TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
1560 sector_t from),
1561
1562 TP_ARGS(q, bio, dev, from),
1563
1564 TP_FIELDS(
1565 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
1566 ctf_integer(sector_t, sector, bio->bi_sector)
1567 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
1568 blk_rwbs_ctf_integer(unsigned int, rwbs,
1569 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
1570 ctf_integer(dev_t, old_dev, dev)
1571 ctf_integer(sector_t, old_sector, from)
1572 )
1573 )
1574 #endif
1575
1576 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
1577 /**
1578 * block_rq_remap - map request for a block operation request
1579 * @rq: block IO operation request
1580 * @dev: device for the operation
1581 * @from: original sector for the operation
1582 *
1583 * The block operation request @rq in @q has been remapped. The block
1584 * operation request @rq holds the current information and @from hold
1585 * the original sector.
1586 */
1587 LTTNG_TRACEPOINT_EVENT(block_rq_remap,
1588
1589 TP_PROTO(struct request *rq, dev_t dev, sector_t from),
1590
1591 TP_ARGS(rq, dev, from),
1592
1593 TP_FIELDS(
1594 ctf_integer(dev_t, dev, disk_devt(rq->q->disk))
1595 ctf_integer(sector_t, sector, blk_rq_pos(rq))
1596 ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq))
1597 ctf_integer(dev_t, old_dev, dev)
1598 ctf_integer(sector_t, old_sector, from)
1599 blk_rwbs_ctf_integer(unsigned int, rwbs,
1600 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
1601 )
1602 )
1603 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1604 /**
1605 * block_rq_remap - map request for a block operation request
1606 * @rq: block IO operation request
1607 * @dev: device for the operation
1608 * @from: original sector for the operation
1609 *
1610 * The block operation request @rq in @q has been remapped. The block
1611 * operation request @rq holds the current information and @from hold
1612 * the original sector.
1613 */
1614 LTTNG_TRACEPOINT_EVENT(block_rq_remap,
1615
1616 TP_PROTO(struct request *rq, dev_t dev, sector_t from),
1617
1618 TP_ARGS(rq, dev, from),
1619
1620 TP_FIELDS(
1621 ctf_integer(dev_t, dev, disk_devt(rq->rq_disk))
1622 ctf_integer(sector_t, sector, blk_rq_pos(rq))
1623 ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq))
1624 ctf_integer(dev_t, old_dev, dev)
1625 ctf_integer(sector_t, old_sector, from)
1626 blk_rwbs_ctf_integer(unsigned int, rwbs,
1627 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
1628 )
1629 )
1630 #else
1631 /**
1632 * block_rq_remap - map request for a block operation request
1633 * @q: queue holding the operation
1634 * @rq: block IO operation request
1635 * @dev: device for the operation
1636 * @from: original sector for the operation
1637 *
1638 * The block operation request @rq in @q has been remapped. The block
1639 * operation request @rq holds the current information and @from hold
1640 * the original sector.
1641 */
1642 LTTNG_TRACEPOINT_EVENT(block_rq_remap,
1643
1644 TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev,
1645 sector_t from),
1646
1647 TP_ARGS(q, rq, dev, from),
1648
1649 TP_FIELDS(
1650 ctf_integer(dev_t, dev, disk_devt(rq->rq_disk))
1651 ctf_integer(sector_t, sector, blk_rq_pos(rq))
1652 ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq))
1653 ctf_integer(dev_t, old_dev, dev)
1654 ctf_integer(sector_t, old_sector, from)
1655 blk_rwbs_ctf_integer(unsigned int, rwbs,
1656 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
1657 )
1658 )
1659 #endif
1660
1661 #undef __print_rwbs_flags
1662 #undef blk_fill_rwbs
1663
1664 #endif /* LTTNG_TRACE_BLOCK_H */
1665
1666 /* This part must be outside protection */
1667 #include <lttng/define_trace.h>
LTTng 2.0/0.x modules
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