1 /* SPDX-License-Identifier: GPL-2.0-only */
3 #define TRACE_SYSTEM block
5 #if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define LTTNG_TRACE_BLOCK_H
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>
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)) */
18 #ifndef _TRACE_BLOCK_DEF_
19 #define _TRACE_BLOCK_DEF_
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),
35 #endif /* _TRACE_BLOCK_DEF_ */
37 #ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM
38 LTTNG_TRACEPOINT_ENUM(block_rq_type
,
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
)
53 #endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */
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))
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)
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 : \
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))
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 : \
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 */
99 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0))
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)
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 : \
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))
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 : \
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 */
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)
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 : \
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))
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 : \
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 */
163 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
164 LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer
,
166 TP_PROTO(struct buffer_head
*bh
),
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
)
178 * block_touch_buffer - mark a buffer accessed
179 * @bh: buffer_head being touched
181 * Called from touch_buffer().
183 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer
, block_touch_buffer
,
185 TP_PROTO(struct buffer_head
*bh
),
191 * block_dirty_buffer - mark a buffer dirty
192 * @bh: buffer_head being dirtied
194 * Called from mark_buffer_dirty().
196 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer
, block_dirty_buffer
,
198 TP_PROTO(struct buffer_head
*bh
),
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
,
209 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
215 unsigned int nr_sector
;
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
;
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;
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
)
249 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
250 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error
,
252 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
258 unsigned int nr_sector
;
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
;
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;
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
)
292 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
294 #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,12,0))
296 * block_rq_abort - abort block operation request
297 * @q: queue containing the block operation request
298 * @rq: block IO operation request
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.
305 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error
, block_rq_abort
,
307 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
313 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
315 * block_rq_requeue - place block IO request back on a queue
316 * @rq: block IO operation request
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.
322 LTTNG_TRACEPOINT_EVENT(block_rq_requeue
,
324 TP_PROTO(struct request
*rq
),
329 ctf_integer(dev_t
, dev
,
330 rq
->rq_disk
? disk_devt(rq
->rq_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
))
337 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0))
339 * block_rq_requeue - place block IO request back on a queue
340 * @q: queue holding operation
341 * @rq: block IO operation request
343 * The block operation request @rq is being placed back into queue
344 * @q. For some reason the request was not completed and needs to be
345 * put back in the queue.
347 LTTNG_TRACEPOINT_EVENT(block_rq_requeue
,
349 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
354 ctf_integer(dev_t
, dev
,
355 rq
->rq_disk
? disk_devt(rq
->rq_disk
) : 0)
356 ctf_integer(sector_t
, sector
, blk_rq_trace_sector(rq
))
357 ctf_integer(unsigned int, nr_sector
, blk_rq_trace_nr_sectors(rq
))
358 blk_rwbs_ctf_integer(unsigned int, rwbs
,
359 lttng_req_op(rq
), lttng_req_rw(rq
), blk_rq_bytes(rq
))
363 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error
, block_rq_requeue
,
365 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
372 * block_rq_complete - block IO operation completed by device driver
373 * @q: queue containing the block operation request
374 * @rq: block operations request
375 * @nr_bytes: number of completed bytes
377 * The block_rq_complete tracepoint event indicates that some portion
378 * of operation request has been completed by the device driver. If
379 * the @rq->bio is %NULL, then there is absolutely no additional work to
380 * do for the request. If @rq->bio is non-NULL then there is
381 * additional work required to complete the request.
383 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0))
384 LTTNG_TRACEPOINT_EVENT(block_rq_complete
,
386 TP_PROTO(struct request
*rq
, int error
, unsigned int nr_bytes
),
388 TP_ARGS(rq
, error
, nr_bytes
),
391 ctf_integer(dev_t
, dev
,
392 rq
->rq_disk
? disk_devt(rq
->rq_disk
) : 0)
393 ctf_integer(sector_t
, sector
, blk_rq_pos(rq
))
394 ctf_integer(unsigned int, nr_sector
, nr_bytes
>> 9)
395 ctf_integer(int, error
, error
)
396 blk_rwbs_ctf_integer(unsigned int, rwbs
,
397 lttng_req_op(rq
), lttng_req_rw(rq
), nr_bytes
)
400 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
401 LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete
,
403 TP_PROTO(struct request_queue
*q
, struct request
*rq
,
404 unsigned int nr_bytes
),
406 TP_ARGS(q
, rq
, nr_bytes
),
414 if (blk_rq_is_scsi(rq
)) {
415 struct scsi_request
*scsi_rq
= scsi_req(rq
);
416 tp_locvar
->cmd
= scsi_rq
->cmd
;
417 tp_locvar
->cmd_len
= scsi_rq
->cmd_len
;
419 tp_locvar
->cmd
= NULL
;
420 tp_locvar
->cmd_len
= 0;
425 ctf_integer(dev_t
, dev
,
426 rq
->rq_disk
? disk_devt(rq
->rq_disk
) : 0)
427 ctf_integer(sector_t
, sector
, blk_rq_pos(rq
))
428 ctf_integer(unsigned int, nr_sector
, nr_bytes
>> 9)
429 ctf_integer(int, errors
, rq
->errors
)
430 blk_rwbs_ctf_integer(unsigned int, rwbs
,
431 lttng_req_op(rq
), lttng_req_rw(rq
), nr_bytes
)
432 ctf_sequence_hex(unsigned char, cmd
,
433 tp_locvar
->cmd
, size_t, tp_locvar
->cmd_len
)
438 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,5) \
439 || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \
440 || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \
441 || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0) \
442 || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \
443 || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0) \
444 || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0))
446 LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete
,
448 TP_PROTO(struct request_queue
*q
, struct request
*rq
,
449 unsigned int nr_bytes
),
451 TP_ARGS(q
, rq
, nr_bytes
),
459 if (rq
->cmd_type
== REQ_TYPE_BLOCK_PC
) {
460 tp_locvar
->cmd
= rq
->cmd
;
461 tp_locvar
->cmd_len
= rq
->cmd_len
;
463 tp_locvar
->cmd
= NULL
;
464 tp_locvar
->cmd_len
= 0;
469 ctf_integer(dev_t
, dev
,
470 rq
->rq_disk
? disk_devt(rq
->rq_disk
) : 0)
471 ctf_integer(sector_t
, sector
, blk_rq_pos(rq
))
472 ctf_integer(unsigned int, nr_sector
, nr_bytes
>> 9)
473 ctf_integer(int, errors
, rq
->errors
)
474 blk_rwbs_ctf_integer(unsigned int, rwbs
,
475 lttng_req_op(rq
), lttng_req_rw(rq
), nr_bytes
)
476 ctf_sequence_hex(unsigned char, cmd
,
477 tp_locvar
->cmd
, size_t, tp_locvar
->cmd_len
)
483 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */
486 * block_rq_complete - block IO operation completed by device driver
487 * @q: queue containing the block operation request
488 * @rq: block operations request
490 * The block_rq_complete tracepoint event indicates that some portion
491 * of operation request has been completed by the device driver. If
492 * the @rq->bio is %NULL, then there is absolutely no additional work to
493 * do for the request. If @rq->bio is non-NULL then there is
494 * additional work required to complete the request.
496 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error
, block_rq_complete
,
498 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
503 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */
505 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
506 LTTNG_TRACEPOINT_EVENT_CLASS(block_rq
,
508 TP_PROTO(struct request
*rq
),
513 ctf_integer(dev_t
, dev
,
514 rq
->rq_disk
? disk_devt(rq
->rq_disk
) : 0)
515 ctf_integer(sector_t
, sector
, blk_rq_trace_sector(rq
))
516 ctf_integer(unsigned int, nr_sector
, blk_rq_trace_nr_sectors(rq
))
517 ctf_integer(unsigned int, bytes
, blk_rq_bytes(rq
))
518 ctf_integer(pid_t
, tid
, current
->pid
)
519 blk_rwbs_ctf_integer(unsigned int, rwbs
,
520 lttng_req_op(rq
), lttng_req_rw(rq
), blk_rq_bytes(rq
))
521 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
524 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0))
525 LTTNG_TRACEPOINT_EVENT_CLASS(block_rq
,
527 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
532 ctf_integer(dev_t
, dev
,
533 rq
->rq_disk
? disk_devt(rq
->rq_disk
) : 0)
534 ctf_integer(sector_t
, sector
, blk_rq_trace_sector(rq
))
535 ctf_integer(unsigned int, nr_sector
, blk_rq_trace_nr_sectors(rq
))
536 ctf_integer(unsigned int, bytes
, blk_rq_bytes(rq
))
537 ctf_integer(pid_t
, tid
, current
->pid
)
538 blk_rwbs_ctf_integer(unsigned int, rwbs
,
539 lttng_req_op(rq
), lttng_req_rw(rq
), blk_rq_bytes(rq
))
540 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
543 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0))
544 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq
,
546 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
552 unsigned int nr_sector
;
559 if (blk_rq_is_scsi(rq
)) {
560 struct scsi_request
*scsi_rq
= scsi_req(rq
);
561 tp_locvar
->sector
= 0;
562 tp_locvar
->nr_sector
= 0;
563 tp_locvar
->bytes
= scsi_rq
->resid_len
;
564 tp_locvar
->cmd
= scsi_rq
->cmd
;
565 tp_locvar
->cmd_len
= scsi_rq
->cmd_len
;
567 tp_locvar
->sector
= blk_rq_pos(rq
);
568 tp_locvar
->nr_sector
= blk_rq_sectors(rq
);
569 tp_locvar
->bytes
= 0;
570 tp_locvar
->cmd
= NULL
;
571 tp_locvar
->cmd_len
= 0;
576 ctf_integer(dev_t
, dev
,
577 rq
->rq_disk
? disk_devt(rq
->rq_disk
) : 0)
578 ctf_integer(sector_t
, sector
, tp_locvar
->sector
)
579 ctf_integer(unsigned int, nr_sector
, tp_locvar
->nr_sector
)
580 ctf_integer(unsigned int, bytes
, tp_locvar
->bytes
)
581 ctf_integer(pid_t
, tid
, current
->pid
)
582 blk_rwbs_ctf_integer(unsigned int, rwbs
,
583 lttng_req_op(rq
), lttng_req_rw(rq
), blk_rq_bytes(rq
))
584 ctf_sequence_hex(unsigned char, cmd
,
585 tp_locvar
->cmd
, size_t, tp_locvar
->cmd_len
)
586 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
591 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
592 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq
,
594 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
600 unsigned int nr_sector
;
607 if (rq
->cmd_type
== REQ_TYPE_BLOCK_PC
) {
608 tp_locvar
->sector
= 0;
609 tp_locvar
->nr_sector
= 0;
610 tp_locvar
->bytes
= blk_rq_bytes(rq
);
611 tp_locvar
->cmd
= rq
->cmd
;
612 tp_locvar
->cmd_len
= rq
->cmd_len
;
614 tp_locvar
->sector
= blk_rq_pos(rq
);
615 tp_locvar
->nr_sector
= blk_rq_sectors(rq
);
616 tp_locvar
->bytes
= 0;
617 tp_locvar
->cmd
= NULL
;
618 tp_locvar
->cmd_len
= 0;
623 ctf_integer(dev_t
, dev
,
624 rq
->rq_disk
? disk_devt(rq
->rq_disk
) : 0)
625 ctf_integer(sector_t
, sector
, tp_locvar
->sector
)
626 ctf_integer(unsigned int, nr_sector
, tp_locvar
->nr_sector
)
627 ctf_integer(unsigned int, bytes
, tp_locvar
->bytes
)
628 ctf_integer(pid_t
, tid
, current
->pid
)
629 blk_rwbs_ctf_integer(unsigned int, rwbs
,
630 lttng_req_op(rq
), lttng_req_rw(rq
), blk_rq_bytes(rq
))
631 ctf_sequence_hex(unsigned char, cmd
,
632 tp_locvar
->cmd
, size_t, tp_locvar
->cmd_len
)
633 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
638 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */
640 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
642 * block_rq_insert - insert block operation request into queue
643 * @rq: block IO operation request
645 * Called immediately before block operation request @rq is inserted
646 * into queue @q. The fields in the operation request @rq struct can
647 * be examined to determine which device and sectors the pending
648 * operation would access.
650 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq
, block_rq_insert
,
652 TP_PROTO(struct request
*rq
),
658 * block_rq_insert - insert block operation request into queue
660 * @rq: block IO operation request
662 * Called immediately before block operation request @rq is inserted
663 * into queue @q. The fields in the operation request @rq struct can
664 * be examined to determine which device and sectors the pending
665 * operation would access.
667 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq
, block_rq_insert
,
669 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
675 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
677 * block_rq_issue - issue pending block IO request operation to device driver
678 * @rq: block IO operation operation request
680 * Called when block operation request @rq from queue @q is sent to a
681 * device driver for processing.
683 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq
, block_rq_issue
,
685 TP_PROTO(struct request
*rq
),
691 * block_rq_issue - issue pending block IO request operation to device driver
692 * @q: queue holding operation
693 * @rq: block IO operation operation request
695 * Called when block operation request @rq from queue @q is sent to a
696 * device driver for processing.
698 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq
, block_rq_issue
,
700 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
706 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
708 * block_rq_merge - merge request with another one in the elevator
709 * @rq: block IO operation operation request
711 * Called when block operation request @rq from queue @q is merged to another
712 * request queued in the elevator.
714 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq
, block_rq_merge
,
716 TP_PROTO(struct request
*rq
),
720 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0))
722 * block_rq_merge - merge request with another one in the elevator
723 * @q: queue holding operation
724 * @rq: block IO operation operation request
726 * Called when block operation request @rq from queue @q is merged to another
727 * request queued in the elevator.
729 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq
, block_rq_merge
,
731 TP_PROTO(struct request_queue
*q
, struct request
*rq
),
737 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0))
739 * block_bio_complete - completed all work on the block operation
740 * @q: queue holding the block operation
741 * @bio: block operation completed
742 * @error: io error value
744 * This tracepoint indicates there is no further work to do on this
745 * block IO operation @bio.
747 LTTNG_TRACEPOINT_EVENT(block_bio_complete
,
749 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
754 ctf_integer(dev_t
, dev
, bio_dev(bio
))
755 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
756 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
757 ctf_integer(int, error
, blk_status_to_errno(bio
->bi_status
))
758 blk_rwbs_ctf_integer(unsigned int, rwbs
,
759 lttng_bio_op(bio
), lttng_bio_rw(bio
),
760 bio
->bi_iter
.bi_size
)
763 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
765 * block_bio_complete - completed all work on the block operation
766 * @q: queue holding the block operation
767 * @bio: block operation completed
768 * @error: io error value
770 * This tracepoint indicates there is no further work to do on this
771 * block IO operation @bio.
773 LTTNG_TRACEPOINT_EVENT(block_bio_complete
,
775 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int error
),
777 TP_ARGS(q
, bio
, error
),
780 ctf_integer(dev_t
, dev
, bio_dev(bio
))
781 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
782 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
783 ctf_integer(int, error
, error
)
784 blk_rwbs_ctf_integer(unsigned int, rwbs
,
785 lttng_bio_op(bio
), lttng_bio_rw(bio
),
786 bio
->bi_iter
.bi_size
)
789 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
791 * block_bio_complete - completed all work on the block operation
792 * @q: queue holding the block operation
793 * @bio: block operation completed
794 * @error: io error value
796 * This tracepoint indicates there is no further work to do on this
797 * block IO operation @bio.
799 LTTNG_TRACEPOINT_EVENT(block_bio_complete
,
801 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int error
),
803 TP_ARGS(q
, bio
, error
),
806 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
807 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
808 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
809 ctf_integer(int, error
, error
)
810 blk_rwbs_ctf_integer(unsigned int, rwbs
,
811 lttng_bio_op(bio
), lttng_bio_rw(bio
),
812 bio
->bi_iter
.bi_size
)
817 * block_bio_complete - completed all work on the block operation
818 * @q: queue holding the block operation
819 * @bio: block operation completed
820 * @error: io error value
822 * This tracepoint indicates there is no further work to do on this
823 * block IO operation @bio.
825 LTTNG_TRACEPOINT_EVENT(block_bio_complete
,
827 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int error
),
829 TP_ARGS(q
, bio
, error
),
832 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
833 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
834 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
835 ctf_integer(int, error
, error
)
836 blk_rwbs_ctf_integer(unsigned int, rwbs
,
837 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
842 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
843 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio
,
845 TP_PROTO(struct bio
*bio
),
850 ctf_integer(dev_t
, dev
, bio_dev(bio
))
851 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
852 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
853 blk_rwbs_ctf_integer(unsigned int, rwbs
,
854 lttng_bio_op(bio
), lttng_bio_rw(bio
),
855 bio
->bi_iter
.bi_size
)
856 ctf_integer(pid_t
, tid
, current
->pid
)
857 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
860 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
861 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge
,
863 TP_PROTO(struct request_queue
*q
, struct request
*rq
, struct bio
*bio
),
868 ctf_integer(dev_t
, dev
, bio_dev(bio
))
869 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
870 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
871 blk_rwbs_ctf_integer(unsigned int, rwbs
,
872 lttng_bio_op(bio
), lttng_bio_rw(bio
),
873 bio
->bi_iter
.bi_size
)
874 ctf_integer(pid_t
, tid
, current
->pid
)
875 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
878 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
879 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge
,
881 TP_PROTO(struct request_queue
*q
, struct request
*rq
, struct bio
*bio
),
886 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
887 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
888 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
889 blk_rwbs_ctf_integer(unsigned int, rwbs
,
890 lttng_bio_op(bio
), lttng_bio_rw(bio
),
891 bio
->bi_iter
.bi_size
)
892 ctf_integer(pid_t
, tid
, current
->pid
)
893 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
896 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
897 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge
,
899 TP_PROTO(struct request_queue
*q
, struct request
*rq
, struct bio
*bio
),
904 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
905 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
906 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
907 blk_rwbs_ctf_integer(unsigned int, rwbs
,
908 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
909 ctf_integer(pid_t
, tid
, current
->pid
)
910 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
917 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
919 * block_bio_bounce - used bounce buffer when processing block operation
920 * @bio: block operation
922 * A bounce buffer was used to handle the block operation @bio in @q.
923 * This occurs when hardware limitations prevent a direct transfer of
924 * data between the @bio data memory area and the IO device. Use of a
925 * bounce buffer requires extra copying of data and decreases
928 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_bounce
,
930 TP_PROTO(struct bio
*bio
),
934 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
936 * block_bio_bounce - used bounce buffer when processing block operation
937 * @q: queue holding the block operation
938 * @bio: block operation
940 * A bounce buffer was used to handle the block operation @bio in @q.
941 * This occurs when hardware limitations prevent a direct transfer of
942 * data between the @bio data memory area and the IO device. Use of a
943 * bounce buffer requires extra copying of data and decreases
946 LTTNG_TRACEPOINT_EVENT(block_bio_bounce
,
948 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
953 ctf_integer(dev_t
, dev
, bio_dev(bio
))
954 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
955 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
956 blk_rwbs_ctf_integer(unsigned int, rwbs
,
957 lttng_bio_op(bio
), lttng_bio_rw(bio
),
958 bio
->bi_iter
.bi_size
)
959 ctf_integer(pid_t
, tid
, current
->pid
)
960 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
963 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
964 LTTNG_TRACEPOINT_EVENT(block_bio_bounce
,
966 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
971 ctf_integer(dev_t
, dev
, bio
->bi_bdev
? bio
->bi_bdev
->bd_dev
: 0)
972 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
973 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
974 blk_rwbs_ctf_integer(unsigned int, rwbs
,
975 lttng_bio_op(bio
), lttng_bio_rw(bio
),
976 bio
->bi_iter
.bi_size
)
977 ctf_integer(pid_t
, tid
, current
->pid
)
978 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
982 LTTNG_TRACEPOINT_EVENT(block_bio_bounce
,
984 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
989 ctf_integer(dev_t
, dev
, bio
->bi_bdev
? bio
->bi_bdev
->bd_dev
: 0)
990 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
991 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
992 blk_rwbs_ctf_integer(unsigned int, rwbs
,
993 lttng_bio_op(bio
), lttng_bio_rw(bio
),
995 ctf_integer(pid_t
, tid
, current
->pid
)
996 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1002 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1004 * block_bio_backmerge - merging block operation to the end of an existing operation
1005 * @bio: new block operation to merge
1007 * Merging block request @bio to the end of an existing block request.
1009 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_backmerge
,
1011 TP_PROTO(struct bio
*bio
),
1017 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
1018 * @bio: new block operation to merge
1020 * Merging block IO operation @bio to the beginning of an existing block request.
1022 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_frontmerge
,
1024 TP_PROTO(struct bio
*bio
),
1030 * block_bio_queue - putting new block IO operation in queue
1031 * @bio: new block operation
1033 * About to place the block IO operation @bio into queue @q.
1035 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_queue
,
1037 TP_PROTO(struct bio
*bio
),
1041 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
1043 * block_bio_backmerge - merging block operation to the end of an existing operation
1044 * @q: queue holding operation
1045 * @rq: request bio is being merged into
1046 * @bio: new block operation to merge
1048 * Merging block request @bio to the end of an existing block request
1051 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge
, block_bio_backmerge
,
1053 TP_PROTO(struct request_queue
*q
, struct request
*rq
, struct bio
*bio
),
1059 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
1060 * @q: queue holding operation
1061 * @rq: request bio is being merged into
1062 * @bio: new block operation to merge
1064 * Merging block IO operation @bio to the beginning of an existing block
1065 * operation in queue @q.
1067 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge
, block_bio_frontmerge
,
1069 TP_PROTO(struct request_queue
*q
, struct request
*rq
, struct bio
*bio
),
1075 * block_bio_queue - putting new block IO operation in queue
1076 * @q: queue holding operation
1077 * @bio: new block operation
1079 * About to place the block IO operation @bio into queue @q.
1081 LTTNG_TRACEPOINT_EVENT(block_bio_queue
,
1083 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
1088 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1089 ctf_integer(dev_t
, dev
, bio_dev(bio
))
1091 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
1093 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1094 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1095 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
1096 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1097 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1098 bio
->bi_iter
.bi_size
)
1099 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1100 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
1101 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
1102 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1103 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
1104 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1105 ctf_integer(pid_t
, tid
, current
->pid
)
1106 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1109 #else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
1110 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio
,
1112 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
1117 ctf_integer(dev_t
, dev
, bio
->bi_bdev
? bio
->bi_bdev
->bd_dev
: 0)
1118 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
1119 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
1120 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1121 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
1122 ctf_integer(pid_t
, tid
, current
->pid
)
1123 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1128 * block_bio_backmerge - merging block operation to the end of an existing operation
1129 * @q: queue holding operation
1130 * @bio: new block operation to merge
1132 * Merging block request @bio to the end of an existing block request
1135 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_backmerge
,
1137 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
1143 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
1144 * @q: queue holding operation
1145 * @bio: new block operation to merge
1147 * Merging block IO operation @bio to the beginning of an existing block
1148 * operation in queue @q.
1150 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_frontmerge
,
1152 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
1158 * block_bio_queue - putting new block IO operation in queue
1159 * @q: queue holding operation
1160 * @bio: new block operation
1162 * About to place the block IO operation @bio into queue @q.
1164 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_queue
,
1166 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
1170 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
1172 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1174 * block_getrq - get a free request entry in queue for block IO operations
1175 * @bio: pending block IO operation (can be %NULL)
1177 * A request struct has been allocated to handle the block IO operation @bio.
1179 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_getrq
,
1181 TP_PROTO(struct bio
*bio
),
1186 LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq
,
1188 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int rw
),
1190 TP_ARGS(q
, bio
, rw
),
1193 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1194 ctf_integer(dev_t
, dev
, bio
? bio_dev(bio
) : 0)
1196 ctf_integer(dev_t
, dev
, bio
? bio
->bi_bdev
->bd_dev
: 0)
1198 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1199 ctf_integer(sector_t
, sector
, bio
? bio
->bi_iter
.bi_sector
: 0)
1200 ctf_integer(unsigned int, nr_sector
,
1201 bio
? bio_sectors(bio
) : 0)
1202 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1203 bio
? lttng_bio_op(bio
) : 0,
1204 bio
? lttng_bio_rw(bio
) : 0,
1205 bio
? bio
->bi_iter
.bi_size
: 0)
1206 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1207 ctf_integer(sector_t
, sector
, bio
? bio
->bi_sector
: 0)
1208 ctf_integer(unsigned int, nr_sector
,
1209 bio
? bio
->bi_size
>> 9 : 0)
1210 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1211 bio
? lttng_bio_op(bio
) : 0,
1212 bio
? lttng_bio_rw(bio
) : 0,
1213 bio
? bio
->bi_size
: 0)
1214 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1215 ctf_integer(pid_t
, tid
, current
->pid
)
1216 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1221 * block_getrq - get a free request entry in queue for block IO operations
1222 * @q: queue for operations
1223 * @bio: pending block IO operation (can be %NULL)
1224 * @rw: low bit indicates a read (%0) or a write (%1)
1226 * A request struct for queue @q has been allocated to handle the
1227 * block IO operation @bio.
1229 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq
, block_getrq
,
1231 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int rw
),
1237 * block_sleeprq - waiting to get a free request entry in queue for block IO operation
1238 * @q: queue for operation
1239 * @bio: pending block IO operation (can be %NULL)
1240 * @rw: low bit indicates a read (%0) or a write (%1)
1242 * In the case where a request struct cannot be provided for queue @q
1243 * the process needs to wait for an request struct to become
1244 * available. This tracepoint event is generated each time the
1245 * process goes to sleep waiting for request struct become available.
1247 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq
, block_sleeprq
,
1249 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int rw
),
1256 * block_plug - keep operations requests in request queue
1257 * @q: request queue to plug
1259 * Plug the request queue @q. Do not allow block operation requests
1260 * to be sent to the device driver. Instead, accumulate requests in
1261 * the queue to improve throughput performance of the block device.
1263 LTTNG_TRACEPOINT_EVENT(block_plug
,
1265 TP_PROTO(struct request_queue
*q
),
1270 ctf_integer(pid_t
, tid
, current
->pid
)
1271 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1275 LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug
,
1277 TP_PROTO(struct request_queue
*q
, unsigned int depth
, bool explicit),
1279 TP_ARGS(q
, depth
, explicit),
1282 ctf_integer(int, nr_rq
, depth
)
1283 ctf_integer(pid_t
, tid
, current
->pid
)
1284 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1289 * block_unplug - release of operations requests in request queue
1290 * @q: request queue to unplug
1291 * @depth: number of requests just added to the queue
1292 * @explicit: whether this was an explicit unplug, or one from schedule()
1294 * Unplug request queue @q because device driver is scheduled to work
1295 * on elements in the request queue.
1297 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug
, block_unplug
,
1299 TP_PROTO(struct request_queue
*q
, unsigned int depth
, bool explicit),
1301 TP_ARGS(q
, depth
, explicit)
1304 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1306 * block_split - split a single bio struct into two bio structs
1307 * @bio: block operation being split
1308 * @new_sector: The starting sector for the new bio
1310 * The bio request @bio needs to be split into two bio requests. The newly
1311 * created @bio request starts at @new_sector. This split may be required due to
1312 * hardware limitations such as operation crossing device boundaries in a RAID
1315 LTTNG_TRACEPOINT_EVENT(block_split
,
1317 TP_PROTO(struct bio
*bio
, unsigned int new_sector
),
1319 TP_ARGS(bio
, new_sector
),
1322 ctf_integer(dev_t
, dev
, bio_dev(bio
))
1323 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1324 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1325 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1326 bio
->bi_iter
.bi_size
)
1327 ctf_integer(sector_t
, new_sector
, new_sector
)
1328 ctf_integer(pid_t
, tid
, current
->pid
)
1329 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1333 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1335 * block_split - split a single bio struct into two bio structs
1336 * @q: queue containing the bio
1337 * @bio: block operation being split
1338 * @new_sector: The starting sector for the new bio
1340 * The bio request @bio in request queue @q needs to be split into two
1341 * bio requests. The newly created @bio request starts at
1342 * @new_sector. This split may be required due to hardware limitation
1343 * such as operation crossing device boundaries in a RAID system.
1345 LTTNG_TRACEPOINT_EVENT(block_split
,
1347 TP_PROTO(struct request_queue
*q
, struct bio
*bio
,
1348 unsigned int new_sector
),
1350 TP_ARGS(q
, bio
, new_sector
),
1353 ctf_integer(dev_t
, dev
, bio_dev(bio
))
1354 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1355 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1356 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1357 bio
->bi_iter
.bi_size
)
1358 ctf_integer(sector_t
, new_sector
, new_sector
)
1359 ctf_integer(pid_t
, tid
, current
->pid
)
1360 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1363 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1364 LTTNG_TRACEPOINT_EVENT(block_split
,
1366 TP_PROTO(struct request_queue
*q
, struct bio
*bio
,
1367 unsigned int new_sector
),
1369 TP_ARGS(q
, bio
, new_sector
),
1372 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
1373 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1374 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1375 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1376 bio
->bi_iter
.bi_size
)
1377 ctf_integer(sector_t
, new_sector
, new_sector
)
1378 ctf_integer(pid_t
, tid
, current
->pid
)
1379 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1383 LTTNG_TRACEPOINT_EVENT(block_split
,
1385 TP_PROTO(struct request_queue
*q
, struct bio
*bio
,
1386 unsigned int new_sector
),
1388 TP_ARGS(q
, bio
, new_sector
),
1391 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
1392 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
1393 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1394 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
1395 ctf_integer(sector_t
, new_sector
, new_sector
)
1396 ctf_integer(pid_t
, tid
, current
->pid
)
1397 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1402 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1404 * block_bio_remap - map request for a logical device to the raw device
1405 * @bio: revised operation
1406 * @dev: original device for the operation
1407 * @from: original sector for the operation
1409 * An operation for a logical device has been mapped to the
1412 LTTNG_TRACEPOINT_EVENT(block_bio_remap
,
1414 TP_PROTO(struct bio
*bio
, dev_t dev
, sector_t from
),
1416 TP_ARGS(bio
, dev
, from
),
1419 ctf_integer(dev_t
, dev
, bio_dev(bio
))
1420 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1421 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
1422 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1423 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1424 bio
->bi_iter
.bi_size
)
1425 ctf_integer(dev_t
, old_dev
, dev
)
1426 ctf_integer(sector_t
, old_sector
, from
)
1429 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1431 * block_bio_remap - map request for a logical device to the raw device
1432 * @q: queue holding the operation
1433 * @bio: revised operation
1434 * @dev: device for the operation
1435 * @from: original sector for the operation
1437 * An operation for a logical device has been mapped to the
1440 LTTNG_TRACEPOINT_EVENT(block_bio_remap
,
1442 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, dev_t dev
,
1445 TP_ARGS(q
, bio
, dev
, from
),
1448 ctf_integer(dev_t
, dev
, bio_dev(bio
))
1449 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1450 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
1451 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1452 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1453 bio
->bi_iter
.bi_size
)
1454 ctf_integer(dev_t
, old_dev
, dev
)
1455 ctf_integer(sector_t
, old_sector
, from
)
1458 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1459 LTTNG_TRACEPOINT_EVENT(block_bio_remap
,
1461 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, dev_t dev
,
1464 TP_ARGS(q
, bio
, dev
, from
),
1467 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
1468 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1469 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
1470 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1471 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1472 bio
->bi_iter
.bi_size
)
1473 ctf_integer(dev_t
, old_dev
, dev
)
1474 ctf_integer(sector_t
, old_sector
, from
)
1478 LTTNG_TRACEPOINT_EVENT(block_bio_remap
,
1480 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, dev_t dev
,
1483 TP_ARGS(q
, bio
, dev
, from
),
1486 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
1487 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
1488 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
1489 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1490 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
1491 ctf_integer(dev_t
, old_dev
, dev
)
1492 ctf_integer(sector_t
, old_sector
, from
)
1497 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1499 * block_rq_remap - map request for a block operation request
1500 * @rq: block IO operation request
1501 * @dev: device for the operation
1502 * @from: original sector for the operation
1504 * The block operation request @rq in @q has been remapped. The block
1505 * operation request @rq holds the current information and @from hold
1506 * the original sector.
1508 LTTNG_TRACEPOINT_EVENT(block_rq_remap
,
1510 TP_PROTO(struct request
*rq
, dev_t dev
, sector_t from
),
1512 TP_ARGS(rq
, dev
, from
),
1515 ctf_integer(dev_t
, dev
, disk_devt(rq
->rq_disk
))
1516 ctf_integer(sector_t
, sector
, blk_rq_pos(rq
))
1517 ctf_integer(unsigned int, nr_sector
, blk_rq_sectors(rq
))
1518 ctf_integer(dev_t
, old_dev
, dev
)
1519 ctf_integer(sector_t
, old_sector
, from
)
1520 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1521 lttng_req_op(rq
), lttng_req_rw(rq
), blk_rq_bytes(rq
))
1526 * block_rq_remap - map request for a block operation request
1527 * @q: queue holding the operation
1528 * @rq: block IO operation request
1529 * @dev: device for the operation
1530 * @from: original sector for the operation
1532 * The block operation request @rq in @q has been remapped. The block
1533 * operation request @rq holds the current information and @from hold
1534 * the original sector.
1536 LTTNG_TRACEPOINT_EVENT(block_rq_remap
,
1538 TP_PROTO(struct request_queue
*q
, struct request
*rq
, dev_t dev
,
1541 TP_ARGS(q
, rq
, dev
, from
),
1544 ctf_integer(dev_t
, dev
, disk_devt(rq
->rq_disk
))
1545 ctf_integer(sector_t
, sector
, blk_rq_pos(rq
))
1546 ctf_integer(unsigned int, nr_sector
, blk_rq_sectors(rq
))
1547 ctf_integer(dev_t
, old_dev
, dev
)
1548 ctf_integer(sector_t
, old_sector
, from
)
1549 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1550 lttng_req_op(rq
), lttng_req_rw(rq
), blk_rq_bytes(rq
))
1555 #undef __print_rwbs_flags
1556 #undef blk_fill_rwbs
1558 #endif /* LTTNG_TRACE_BLOCK_H */
1560 /* This part must be outside protection */
1561 #include <lttng/define_trace.h>
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