1 /* SPDX-License-Identifier: GPL-2.0 */
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 <probes/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) || \
738 LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
741 * block_bio_complete - completed all work on the block operation
742 * @q: queue holding the block operation
743 * @bio: block operation completed
744 * @error: io error value
746 * This tracepoint indicates there is no further work to do on this
747 * block IO operation @bio.
749 LTTNG_TRACEPOINT_EVENT(block_bio_complete
,
751 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
756 ctf_integer(dev_t
, dev
, bio_dev(bio
))
757 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
758 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
759 ctf_integer(int, error
, blk_status_to_errno(bio
->bi_status
))
760 blk_rwbs_ctf_integer(unsigned int, rwbs
,
761 lttng_bio_op(bio
), lttng_bio_rw(bio
),
762 bio
->bi_iter
.bi_size
)
765 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
767 * block_bio_complete - completed all work on the block operation
768 * @q: queue holding the block operation
769 * @bio: block operation completed
770 * @error: io error value
772 * This tracepoint indicates there is no further work to do on this
773 * block IO operation @bio.
775 LTTNG_TRACEPOINT_EVENT(block_bio_complete
,
777 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int error
),
779 TP_ARGS(q
, bio
, error
),
782 ctf_integer(dev_t
, dev
, bio_dev(bio
))
783 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
784 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
785 ctf_integer(int, error
, error
)
786 blk_rwbs_ctf_integer(unsigned int, rwbs
,
787 lttng_bio_op(bio
), lttng_bio_rw(bio
),
788 bio
->bi_iter
.bi_size
)
791 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
793 * block_bio_complete - completed all work on the block operation
794 * @q: queue holding the block operation
795 * @bio: block operation completed
796 * @error: io error value
798 * This tracepoint indicates there is no further work to do on this
799 * block IO operation @bio.
801 LTTNG_TRACEPOINT_EVENT(block_bio_complete
,
803 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int error
),
805 TP_ARGS(q
, bio
, error
),
808 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
809 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
810 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
811 ctf_integer(int, error
, error
)
812 blk_rwbs_ctf_integer(unsigned int, rwbs
,
813 lttng_bio_op(bio
), lttng_bio_rw(bio
),
814 bio
->bi_iter
.bi_size
)
819 * block_bio_complete - completed all work on the block operation
820 * @q: queue holding the block operation
821 * @bio: block operation completed
822 * @error: io error value
824 * This tracepoint indicates there is no further work to do on this
825 * block IO operation @bio.
827 LTTNG_TRACEPOINT_EVENT(block_bio_complete
,
829 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int error
),
831 TP_ARGS(q
, bio
, error
),
834 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
835 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
836 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
837 ctf_integer(int, error
, error
)
838 blk_rwbs_ctf_integer(unsigned int, rwbs
,
839 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
844 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
845 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio
,
847 TP_PROTO(struct bio
*bio
),
852 ctf_integer(dev_t
, dev
, bio_dev(bio
))
853 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
854 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
855 blk_rwbs_ctf_integer(unsigned int, rwbs
,
856 lttng_bio_op(bio
), lttng_bio_rw(bio
),
857 bio
->bi_iter
.bi_size
)
858 ctf_integer(pid_t
, tid
, current
->pid
)
859 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
862 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
863 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge
,
865 TP_PROTO(struct request_queue
*q
, struct request
*rq
, struct bio
*bio
),
870 ctf_integer(dev_t
, dev
, bio_dev(bio
))
871 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
872 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
873 blk_rwbs_ctf_integer(unsigned int, rwbs
,
874 lttng_bio_op(bio
), lttng_bio_rw(bio
),
875 bio
->bi_iter
.bi_size
)
876 ctf_integer(pid_t
, tid
, current
->pid
)
877 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
880 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
881 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge
,
883 TP_PROTO(struct request_queue
*q
, struct request
*rq
, struct bio
*bio
),
888 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
889 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
890 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
891 blk_rwbs_ctf_integer(unsigned int, rwbs
,
892 lttng_bio_op(bio
), lttng_bio_rw(bio
),
893 bio
->bi_iter
.bi_size
)
894 ctf_integer(pid_t
, tid
, current
->pid
)
895 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
898 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
899 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge
,
901 TP_PROTO(struct request_queue
*q
, struct request
*rq
, struct bio
*bio
),
906 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
907 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
908 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
909 blk_rwbs_ctf_integer(unsigned int, rwbs
,
910 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
911 ctf_integer(pid_t
, tid
, current
->pid
)
912 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
919 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
921 * block_bio_bounce - used bounce buffer when processing block operation
922 * @bio: block operation
924 * A bounce buffer was used to handle the block operation @bio in @q.
925 * This occurs when hardware limitations prevent a direct transfer of
926 * data between the @bio data memory area and the IO device. Use of a
927 * bounce buffer requires extra copying of data and decreases
930 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_bounce
,
932 TP_PROTO(struct bio
*bio
),
936 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
938 * block_bio_bounce - used bounce buffer when processing block operation
939 * @q: queue holding the block operation
940 * @bio: block operation
942 * A bounce buffer was used to handle the block operation @bio in @q.
943 * This occurs when hardware limitations prevent a direct transfer of
944 * data between the @bio data memory area and the IO device. Use of a
945 * bounce buffer requires extra copying of data and decreases
948 LTTNG_TRACEPOINT_EVENT(block_bio_bounce
,
950 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
955 ctf_integer(dev_t
, dev
, bio_dev(bio
))
956 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
957 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
958 blk_rwbs_ctf_integer(unsigned int, rwbs
,
959 lttng_bio_op(bio
), lttng_bio_rw(bio
),
960 bio
->bi_iter
.bi_size
)
961 ctf_integer(pid_t
, tid
, current
->pid
)
962 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
965 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
966 LTTNG_TRACEPOINT_EVENT(block_bio_bounce
,
968 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
973 ctf_integer(dev_t
, dev
, bio
->bi_bdev
? bio
->bi_bdev
->bd_dev
: 0)
974 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
975 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
976 blk_rwbs_ctf_integer(unsigned int, rwbs
,
977 lttng_bio_op(bio
), lttng_bio_rw(bio
),
978 bio
->bi_iter
.bi_size
)
979 ctf_integer(pid_t
, tid
, current
->pid
)
980 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
984 LTTNG_TRACEPOINT_EVENT(block_bio_bounce
,
986 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
991 ctf_integer(dev_t
, dev
, bio
->bi_bdev
? bio
->bi_bdev
->bd_dev
: 0)
992 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
993 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
994 blk_rwbs_ctf_integer(unsigned int, rwbs
,
995 lttng_bio_op(bio
), lttng_bio_rw(bio
),
997 ctf_integer(pid_t
, tid
, current
->pid
)
998 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1004 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1006 * block_bio_backmerge - merging block operation to the end of an existing operation
1007 * @bio: new block operation to merge
1009 * Merging block request @bio to the end of an existing block request.
1011 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_backmerge
,
1013 TP_PROTO(struct bio
*bio
),
1019 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
1020 * @bio: new block operation to merge
1022 * Merging block IO operation @bio to the beginning of an existing block request.
1024 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_frontmerge
,
1026 TP_PROTO(struct bio
*bio
),
1032 * block_bio_queue - putting new block IO operation in queue
1033 * @bio: new block operation
1035 * About to place the block IO operation @bio into queue @q.
1037 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_queue
,
1039 TP_PROTO(struct bio
*bio
),
1043 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
1045 * block_bio_backmerge - merging block operation to the end of an existing operation
1046 * @q: queue holding operation
1047 * @rq: request bio is being merged into
1048 * @bio: new block operation to merge
1050 * Merging block request @bio to the end of an existing block request
1053 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge
, block_bio_backmerge
,
1055 TP_PROTO(struct request_queue
*q
, struct request
*rq
, struct bio
*bio
),
1061 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
1062 * @q: queue holding operation
1063 * @rq: request bio is being merged into
1064 * @bio: new block operation to merge
1066 * Merging block IO operation @bio to the beginning of an existing block
1067 * operation in queue @q.
1069 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge
, block_bio_frontmerge
,
1071 TP_PROTO(struct request_queue
*q
, struct request
*rq
, struct bio
*bio
),
1077 * block_bio_queue - putting new block IO operation in queue
1078 * @q: queue holding operation
1079 * @bio: new block operation
1081 * About to place the block IO operation @bio into queue @q.
1083 LTTNG_TRACEPOINT_EVENT(block_bio_queue
,
1085 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
1090 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1091 ctf_integer(dev_t
, dev
, bio_dev(bio
))
1093 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
1095 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1096 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1097 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
1098 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1099 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1100 bio
->bi_iter
.bi_size
)
1101 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1102 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
1103 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
1104 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1105 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
1106 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1107 ctf_integer(pid_t
, tid
, current
->pid
)
1108 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1111 #else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
1112 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio
,
1114 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
1119 ctf_integer(dev_t
, dev
, bio
->bi_bdev
? bio
->bi_bdev
->bd_dev
: 0)
1120 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
1121 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
1122 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1123 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
1124 ctf_integer(pid_t
, tid
, current
->pid
)
1125 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1130 * block_bio_backmerge - merging block operation to the end of an existing operation
1131 * @q: queue holding operation
1132 * @bio: new block operation to merge
1134 * Merging block request @bio to the end of an existing block request
1137 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_backmerge
,
1139 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
1145 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
1146 * @q: queue holding operation
1147 * @bio: new block operation to merge
1149 * Merging block IO operation @bio to the beginning of an existing block
1150 * operation in queue @q.
1152 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_frontmerge
,
1154 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
1160 * block_bio_queue - putting new block IO operation in queue
1161 * @q: queue holding operation
1162 * @bio: new block operation
1164 * About to place the block IO operation @bio into queue @q.
1166 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_bio_queue
,
1168 TP_PROTO(struct request_queue
*q
, struct bio
*bio
),
1172 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */
1174 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1176 * block_getrq - get a free request entry in queue for block IO operations
1177 * @bio: pending block IO operation (can be %NULL)
1179 * A request struct has been allocated to handle the block IO operation @bio.
1181 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio
, block_getrq
,
1183 TP_PROTO(struct bio
*bio
),
1188 LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq
,
1190 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int rw
),
1192 TP_ARGS(q
, bio
, rw
),
1195 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1196 ctf_integer(dev_t
, dev
, bio
? bio_dev(bio
) : 0)
1198 ctf_integer(dev_t
, dev
, bio
? bio
->bi_bdev
->bd_dev
: 0)
1200 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1201 ctf_integer(sector_t
, sector
, bio
? bio
->bi_iter
.bi_sector
: 0)
1202 ctf_integer(unsigned int, nr_sector
,
1203 bio
? bio_sectors(bio
) : 0)
1204 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1205 bio
? lttng_bio_op(bio
) : 0,
1206 bio
? lttng_bio_rw(bio
) : 0,
1207 bio
? bio
->bi_iter
.bi_size
: 0)
1208 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1209 ctf_integer(sector_t
, sector
, bio
? bio
->bi_sector
: 0)
1210 ctf_integer(unsigned int, nr_sector
,
1211 bio
? bio
->bi_size
>> 9 : 0)
1212 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1213 bio
? lttng_bio_op(bio
) : 0,
1214 bio
? lttng_bio_rw(bio
) : 0,
1215 bio
? bio
->bi_size
: 0)
1216 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */
1217 ctf_integer(pid_t
, tid
, current
->pid
)
1218 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1223 * block_getrq - get a free request entry in queue for block IO operations
1224 * @q: queue for operations
1225 * @bio: pending block IO operation (can be %NULL)
1226 * @rw: low bit indicates a read (%0) or a write (%1)
1228 * A request struct for queue @q has been allocated to handle the
1229 * block IO operation @bio.
1231 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq
, block_getrq
,
1233 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int rw
),
1239 * block_sleeprq - waiting to get a free request entry in queue for block IO operation
1240 * @q: queue for operation
1241 * @bio: pending block IO operation (can be %NULL)
1242 * @rw: low bit indicates a read (%0) or a write (%1)
1244 * In the case where a request struct cannot be provided for queue @q
1245 * the process needs to wait for an request struct to become
1246 * available. This tracepoint event is generated each time the
1247 * process goes to sleep waiting for request struct become available.
1249 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq
, block_sleeprq
,
1251 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, int rw
),
1258 * block_plug - keep operations requests in request queue
1259 * @q: request queue to plug
1261 * Plug the request queue @q. Do not allow block operation requests
1262 * to be sent to the device driver. Instead, accumulate requests in
1263 * the queue to improve throughput performance of the block device.
1265 LTTNG_TRACEPOINT_EVENT(block_plug
,
1267 TP_PROTO(struct request_queue
*q
),
1272 ctf_integer(pid_t
, tid
, current
->pid
)
1273 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1277 LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug
,
1279 TP_PROTO(struct request_queue
*q
, unsigned int depth
, bool explicit),
1281 TP_ARGS(q
, depth
, explicit),
1284 ctf_integer(int, nr_rq
, depth
)
1285 ctf_integer(pid_t
, tid
, current
->pid
)
1286 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1291 * block_unplug - release of operations requests in request queue
1292 * @q: request queue to unplug
1293 * @depth: number of requests just added to the queue
1294 * @explicit: whether this was an explicit unplug, or one from schedule()
1296 * Unplug request queue @q because device driver is scheduled to work
1297 * on elements in the request queue.
1299 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug
, block_unplug
,
1301 TP_PROTO(struct request_queue
*q
, unsigned int depth
, bool explicit),
1303 TP_ARGS(q
, depth
, explicit)
1306 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1308 * block_split - split a single bio struct into two bio structs
1309 * @bio: block operation being split
1310 * @new_sector: The starting sector for the new bio
1312 * The bio request @bio needs to be split into two bio requests. The newly
1313 * created @bio request starts at @new_sector. This split may be required due to
1314 * hardware limitations such as operation crossing device boundaries in a RAID
1317 LTTNG_TRACEPOINT_EVENT(block_split
,
1319 TP_PROTO(struct bio
*bio
, unsigned int new_sector
),
1321 TP_ARGS(bio
, new_sector
),
1324 ctf_integer(dev_t
, dev
, bio_dev(bio
))
1325 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1326 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1327 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1328 bio
->bi_iter
.bi_size
)
1329 ctf_integer(sector_t
, new_sector
, new_sector
)
1330 ctf_integer(pid_t
, tid
, current
->pid
)
1331 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1335 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1337 * block_split - split a single bio struct into two bio structs
1338 * @q: queue containing the bio
1339 * @bio: block operation being split
1340 * @new_sector: The starting sector for the new bio
1342 * The bio request @bio in request queue @q needs to be split into two
1343 * bio requests. The newly created @bio request starts at
1344 * @new_sector. This split may be required due to hardware limitation
1345 * such as operation crossing device boundaries in a RAID system.
1347 LTTNG_TRACEPOINT_EVENT(block_split
,
1349 TP_PROTO(struct request_queue
*q
, struct bio
*bio
,
1350 unsigned int new_sector
),
1352 TP_ARGS(q
, bio
, new_sector
),
1355 ctf_integer(dev_t
, dev
, bio_dev(bio
))
1356 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1357 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1358 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1359 bio
->bi_iter
.bi_size
)
1360 ctf_integer(sector_t
, new_sector
, new_sector
)
1361 ctf_integer(pid_t
, tid
, current
->pid
)
1362 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1365 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1366 LTTNG_TRACEPOINT_EVENT(block_split
,
1368 TP_PROTO(struct request_queue
*q
, struct bio
*bio
,
1369 unsigned int new_sector
),
1371 TP_ARGS(q
, bio
, new_sector
),
1374 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
1375 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1376 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1377 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1378 bio
->bi_iter
.bi_size
)
1379 ctf_integer(sector_t
, new_sector
, new_sector
)
1380 ctf_integer(pid_t
, tid
, current
->pid
)
1381 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1385 LTTNG_TRACEPOINT_EVENT(block_split
,
1387 TP_PROTO(struct request_queue
*q
, struct bio
*bio
,
1388 unsigned int new_sector
),
1390 TP_ARGS(q
, bio
, new_sector
),
1393 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
1394 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
1395 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1396 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
1397 ctf_integer(sector_t
, new_sector
, new_sector
)
1398 ctf_integer(pid_t
, tid
, current
->pid
)
1399 ctf_array_text(char, comm
, current
->comm
, TASK_COMM_LEN
)
1404 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1406 * block_bio_remap - map request for a logical device to the raw device
1407 * @bio: revised operation
1408 * @dev: original device for the operation
1409 * @from: original sector for the operation
1411 * An operation for a logical device has been mapped to the
1414 LTTNG_TRACEPOINT_EVENT(block_bio_remap
,
1416 TP_PROTO(struct bio
*bio
, dev_t dev
, sector_t from
),
1418 TP_ARGS(bio
, dev
, from
),
1421 ctf_integer(dev_t
, dev
, bio_dev(bio
))
1422 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1423 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
1424 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1425 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1426 bio
->bi_iter
.bi_size
)
1427 ctf_integer(dev_t
, old_dev
, dev
)
1428 ctf_integer(sector_t
, old_sector
, from
)
1431 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
1433 * block_bio_remap - map request for a logical device to the raw device
1434 * @q: queue holding the operation
1435 * @bio: revised operation
1436 * @dev: device for the operation
1437 * @from: original sector for the operation
1439 * An operation for a logical device has been mapped to the
1442 LTTNG_TRACEPOINT_EVENT(block_bio_remap
,
1444 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, dev_t dev
,
1447 TP_ARGS(q
, bio
, dev
, from
),
1450 ctf_integer(dev_t
, dev
, bio_dev(bio
))
1451 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1452 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
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(dev_t
, old_dev
, dev
)
1457 ctf_integer(sector_t
, old_sector
, from
)
1460 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0))
1461 LTTNG_TRACEPOINT_EVENT(block_bio_remap
,
1463 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, dev_t dev
,
1466 TP_ARGS(q
, bio
, dev
, from
),
1469 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
1470 ctf_integer(sector_t
, sector
, bio
->bi_iter
.bi_sector
)
1471 ctf_integer(unsigned int, nr_sector
, bio_sectors(bio
))
1472 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1473 lttng_bio_op(bio
), lttng_bio_rw(bio
),
1474 bio
->bi_iter
.bi_size
)
1475 ctf_integer(dev_t
, old_dev
, dev
)
1476 ctf_integer(sector_t
, old_sector
, from
)
1480 LTTNG_TRACEPOINT_EVENT(block_bio_remap
,
1482 TP_PROTO(struct request_queue
*q
, struct bio
*bio
, dev_t dev
,
1485 TP_ARGS(q
, bio
, dev
, from
),
1488 ctf_integer(dev_t
, dev
, bio
->bi_bdev
->bd_dev
)
1489 ctf_integer(sector_t
, sector
, bio
->bi_sector
)
1490 ctf_integer(unsigned int, nr_sector
, bio
->bi_size
>> 9)
1491 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1492 lttng_bio_op(bio
), lttng_bio_rw(bio
), bio
->bi_size
)
1493 ctf_integer(dev_t
, old_dev
, dev
)
1494 ctf_integer(sector_t
, old_sector
, from
)
1499 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0))
1501 * block_rq_remap - map request for a block operation request
1502 * @rq: block IO operation request
1503 * @dev: device for the operation
1504 * @from: original sector for the operation
1506 * The block operation request @rq in @q has been remapped. The block
1507 * operation request @rq holds the current information and @from hold
1508 * the original sector.
1510 LTTNG_TRACEPOINT_EVENT(block_rq_remap
,
1512 TP_PROTO(struct request
*rq
, dev_t dev
, sector_t from
),
1514 TP_ARGS(rq
, dev
, from
),
1517 ctf_integer(dev_t
, dev
, disk_devt(rq
->rq_disk
))
1518 ctf_integer(sector_t
, sector
, blk_rq_pos(rq
))
1519 ctf_integer(unsigned int, nr_sector
, blk_rq_sectors(rq
))
1520 ctf_integer(dev_t
, old_dev
, dev
)
1521 ctf_integer(sector_t
, old_sector
, from
)
1522 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1523 lttng_req_op(rq
), lttng_req_rw(rq
), blk_rq_bytes(rq
))
1528 * block_rq_remap - map request for a block operation request
1529 * @q: queue holding the operation
1530 * @rq: block IO operation request
1531 * @dev: device for the operation
1532 * @from: original sector for the operation
1534 * The block operation request @rq in @q has been remapped. The block
1535 * operation request @rq holds the current information and @from hold
1536 * the original sector.
1538 LTTNG_TRACEPOINT_EVENT(block_rq_remap
,
1540 TP_PROTO(struct request_queue
*q
, struct request
*rq
, dev_t dev
,
1543 TP_ARGS(q
, rq
, dev
, from
),
1546 ctf_integer(dev_t
, dev
, disk_devt(rq
->rq_disk
))
1547 ctf_integer(sector_t
, sector
, blk_rq_pos(rq
))
1548 ctf_integer(unsigned int, nr_sector
, blk_rq_sectors(rq
))
1549 ctf_integer(dev_t
, old_dev
, dev
)
1550 ctf_integer(sector_t
, old_sector
, from
)
1551 blk_rwbs_ctf_integer(unsigned int, rwbs
,
1552 lttng_req_op(rq
), lttng_req_rw(rq
), blk_rq_bytes(rq
))
1557 #undef __print_rwbs_flags
1558 #undef blk_fill_rwbs
1560 #endif /* LTTNG_TRACE_BLOCK_H */
1562 /* This part must be outside protection */
1563 #include <probes/define_trace.h>
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