fix: block: remove the error argument to the block_bio_complete (v5.8)
[lttng-modules.git] / instrumentation / events / lttng-module / block.h
CommitLineData
9f36eaed 1/* SPDX-License-Identifier: GPL-2.0 */
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2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM block
4
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5#if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
6#define LTTNG_TRACE_BLOCK_H
f62b389e 7
6ec43db8 8#include <probes/lttng-tracepoint-event.h>
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9#include <linux/blktrace_api.h>
10#include <linux/blkdev.h>
f62b389e 11#include <linux/trace_seq.h>
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12#include <linux/version.h>
13
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14#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
15#include <scsi/scsi_request.h>
16#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
17
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18#ifndef _TRACE_BLOCK_DEF_
19#define _TRACE_BLOCK_DEF_
20
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21enum {
22 RWBS_FLAG_WRITE = (1 << 0),
23 RWBS_FLAG_DISCARD = (1 << 1),
24 RWBS_FLAG_READ = (1 << 2),
25 RWBS_FLAG_RAHEAD = (1 << 3),
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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),
e6d2cc09 32 RWBS_FLAG_PREFLUSH = (1 << 10),
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33};
34
35#endif /* _TRACE_BLOCK_DEF_ */
36
d5e97fbf 37#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0) || \
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38 LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,73,6,0,0) || \
39 LTTNG_SLE_KERNEL_RANGE(4,4,82,6,0,0, 4,4,82,7,0,0) || \
40 LTTNG_SLE_KERNEL_RANGE(4,4,92,6,0,0, 4,4,92,7,0,0) || \
41 LTTNG_SLE_KERNEL_RANGE(4,4,103,6,0,0, 4,4,103,7,0,0) || \
42 LTTNG_SLE_KERNEL_RANGE(4,4,114,94,0,0, 4,4,114,95,0,0) || \
43 LTTNG_SLE_KERNEL_RANGE(4,4,120,94,0,0, 4,4,120,95,0,0) || \
44 LTTNG_SLE_KERNEL_RANGE(4,4,126,94,0,0, 4,5,0,0,0,0))
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45
46#define lttng_req_op(rq) req_op(rq)
47#define lttng_req_rw(rq) ((rq)->cmd_flags)
48#define lttng_bio_op(bio) bio_op(bio)
49#define lttng_bio_rw(bio) ((bio)->bi_opf)
50
51#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
52 ctf_integer(type, rwbs, \
53 (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \
54 ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD : \
55 ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \
56 ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH : \
57 ( (op) == REQ_OP_READ ? RWBS_FLAG_READ : \
58 ( 0 )))))) \
59 | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
60 | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
61 | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
62 | ((rw) & REQ_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0) \
63 | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
64
65#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
7c68b363 66
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67#define lttng_req_op(rq)
68#define lttng_req_rw(rq) ((rq)->cmd_flags)
69#define lttng_bio_op(bio)
70#define lttng_bio_rw(bio) ((bio)->bi_rw)
71
72#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
f127e61e 73 ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
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74 ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
75 ( (bytes) ? RWBS_FLAG_READ : \
76 ( 0 )))) \
77 | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
78 | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
79 | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
80 | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \
81 | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \
82 | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
83
84#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
85
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86#define lttng_req_op(rq)
87#define lttng_req_rw(rq) ((rq)->cmd_flags)
88#define lttng_bio_op(bio)
89#define lttng_bio_rw(bio) ((bio)->bi_rw)
90
91#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
f127e61e 92 ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
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93 ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
94 ( (bytes) ? RWBS_FLAG_READ : \
95 ( 0 )))) \
96 | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
97 | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
98 | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
99 | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
100
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101#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
102
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103#define lttng_req_op(rq)
104#define lttng_req_rw(rq) ((rq)->cmd_flags)
105#define lttng_bio_op(bio)
106#define lttng_bio_rw(bio) ((bio)->bi_rw)
107
108#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
f127e61e 109 ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
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110 ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
111 ( (bytes) ? RWBS_FLAG_READ : \
112 ( 0 )))) \
113 | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
114 | ((rw) & REQ_HARDBARRIER ? RWBS_FLAG_BARRIER : 0) \
115 | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
116 | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
117 | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
118
119#else
120
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121#define lttng_req_op(rq)
122#define lttng_req_rw(rq) ((rq)->cmd_flags)
123#define lttng_bio_op(bio)
124#define lttng_bio_rw(bio) ((bio)->bi_rw)
125
126#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \
f127e61e 127 ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
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128 ( (rw) & (1 << BIO_RW_DISCARD) ? RWBS_FLAG_DISCARD : \
129 ( (bytes) ? RWBS_FLAG_READ : \
130 ( 0 )))) \
131 | ((rw) & (1 << BIO_RW_AHEAD) ? RWBS_FLAG_RAHEAD : 0) \
132 | ((rw) & (1 << BIO_RW_SYNCIO) ? RWBS_FLAG_SYNC : 0) \
133 | ((rw) & (1 << BIO_RW_META) ? RWBS_FLAG_META : 0) \
134 | ((rw) & (1 << BIO_RW_BARRIER) ? RWBS_FLAG_BARRIER : 0))
135
136#endif
137
217f66c6 138#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
3bc29f0a 139LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer,
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140
141 TP_PROTO(struct buffer_head *bh),
142
143 TP_ARGS(bh),
144
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145 TP_FIELDS (
146 ctf_integer(dev_t, dev, bh->b_bdev->bd_dev)
147 ctf_integer(sector_t, sector, bh->b_blocknr)
148 ctf_integer(size_t, size, bh->b_size)
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149 )
150)
151
152/**
153 * block_touch_buffer - mark a buffer accessed
154 * @bh: buffer_head being touched
155 *
156 * Called from touch_buffer().
157 */
3bc29f0a 158LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer,
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159
160 TP_PROTO(struct buffer_head *bh),
161
162 TP_ARGS(bh)
163)
164
165/**
166 * block_dirty_buffer - mark a buffer dirty
167 * @bh: buffer_head being dirtied
168 *
169 * Called from mark_buffer_dirty().
170 */
3bc29f0a 171LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer,
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172
173 TP_PROTO(struct buffer_head *bh),
174
175 TP_ARGS(bh)
176)
177#endif
178
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179#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
180/* block_rq_with_error event class removed in kernel 4.12 */
181#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
f127e61e 182LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
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183
184 TP_PROTO(struct request_queue *q, struct request *rq),
185
186 TP_ARGS(q, rq),
187
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188 TP_locvar(
189 sector_t sector;
190 unsigned int nr_sector;
191 unsigned char *cmd;
192 size_t cmd_len;
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193 ),
194
265822ae 195 TP_code_pre(
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196 if (blk_rq_is_scsi(rq)) {
197 struct scsi_request *scsi_rq = scsi_req(rq);
198 tp_locvar->sector = 0;
199 tp_locvar->nr_sector = 0;
200 tp_locvar->cmd = scsi_rq->cmd;
201 tp_locvar->cmd_len = scsi_rq->cmd_len;
202 } else {
203 tp_locvar->sector = blk_rq_pos(rq);
204 tp_locvar->nr_sector = blk_rq_sectors(rq);
205 tp_locvar->cmd = NULL;
206 tp_locvar->cmd_len = 0;
207 }
208 ),
209
210 TP_FIELDS(
211 ctf_integer(dev_t, dev,
212 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
213 ctf_integer(sector_t, sector, tp_locvar->sector)
214 ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
215 ctf_integer(int, errors, rq->errors)
216 blk_rwbs_ctf_integer(unsigned int, rwbs,
217 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
218 ctf_sequence_hex(unsigned char, cmd,
219 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
220 ),
221
222 TP_code_post()
223)
224#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
225LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
226
227 TP_PROTO(struct request_queue *q, struct request *rq),
228
229 TP_ARGS(q, rq),
230
231 TP_locvar(
232 sector_t sector;
233 unsigned int nr_sector;
234 unsigned char *cmd;
235 size_t cmd_len;
236 ),
237
238 TP_code_pre(
239
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240 if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
241 tp_locvar->sector = 0;
242 tp_locvar->nr_sector = 0;
243 tp_locvar->cmd = rq->cmd;
244 tp_locvar->cmd_len = rq->cmd_len;
245 } else {
246 tp_locvar->sector = blk_rq_pos(rq);
247 tp_locvar->nr_sector = blk_rq_sectors(rq);
248 tp_locvar->cmd = NULL;
249 tp_locvar->cmd_len = 0;
250 }
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251 ),
252
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253 TP_FIELDS(
254 ctf_integer(dev_t, dev,
255 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
256 ctf_integer(sector_t, sector, tp_locvar->sector)
257 ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
258 ctf_integer(int, errors, rq->errors)
259 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09 260 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
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261 ctf_sequence_hex(unsigned char, cmd,
262 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
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263 ),
264
265 TP_code_post()
f62b389e 266)
8a9f549f 267#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
f62b389e 268
d2457078 269#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0))
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270/**
271 * block_rq_abort - abort block operation request
272 * @q: queue containing the block operation request
273 * @rq: block IO operation request
274 *
275 * Called immediately after pending block IO operation request @rq in
276 * queue @q is aborted. The fields in the operation request @rq
277 * can be examined to determine which device and sectors the pending
278 * operation would access.
279 */
3bc29f0a 280LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort,
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281
282 TP_PROTO(struct request_queue *q, struct request *rq),
283
284 TP_ARGS(q, rq)
285)
d2457078 286#endif
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287
288/**
289 * block_rq_requeue - place block IO request back on a queue
290 * @q: queue holding operation
291 * @rq: block IO operation request
292 *
293 * The block operation request @rq is being placed back into queue
294 * @q. For some reason the request was not completed and needs to be
295 * put back in the queue.
296 */
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297#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
298LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
299
300 TP_PROTO(struct request_queue *q, struct request *rq),
301
302 TP_ARGS(q, rq),
303
304 TP_FIELDS(
305 ctf_integer(dev_t, dev,
306 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
307 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
308 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
309 blk_rwbs_ctf_integer(unsigned int, rwbs,
310 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
311 )
312)
313#else
3bc29f0a 314LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue,
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315
316 TP_PROTO(struct request_queue *q, struct request *rq),
317
318 TP_ARGS(q, rq)
319)
d2457078 320#endif
f62b389e 321
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322/**
323 * block_rq_complete - block IO operation completed by device driver
324 * @q: queue containing the block operation request
325 * @rq: block operations request
326 * @nr_bytes: number of completed bytes
327 *
328 * The block_rq_complete tracepoint event indicates that some portion
329 * of operation request has been completed by the device driver. If
330 * the @rq->bio is %NULL, then there is absolutely no additional work to
331 * do for the request. If @rq->bio is non-NULL then there is
332 * additional work required to complete the request.
333 */
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334#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
335LTTNG_TRACEPOINT_EVENT(block_rq_complete,
336
337 TP_PROTO(struct request *rq, int error, unsigned int nr_bytes),
338
339 TP_ARGS(rq, error, nr_bytes),
340
341 TP_FIELDS(
342 ctf_integer(dev_t, dev,
343 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
344 ctf_integer(sector_t, sector, blk_rq_pos(rq))
345 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
346 ctf_integer(int, error, error)
347 blk_rwbs_ctf_integer(unsigned int, rwbs,
348 lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
349 )
350)
351#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
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352LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
353
354 TP_PROTO(struct request_queue *q, struct request *rq,
355 unsigned int nr_bytes),
356
357 TP_ARGS(q, rq, nr_bytes),
358
359 TP_locvar(
360 unsigned char *cmd;
361 size_t cmd_len;
362 ),
363
364 TP_code_pre(
365 if (blk_rq_is_scsi(rq)) {
366 struct scsi_request *scsi_rq = scsi_req(rq);
367 tp_locvar->cmd = scsi_rq->cmd;
368 tp_locvar->cmd_len = scsi_rq->cmd_len;
369 } else {
370 tp_locvar->cmd = NULL;
371 tp_locvar->cmd_len = 0;
372 }
373 ),
374
375 TP_FIELDS(
376 ctf_integer(dev_t, dev,
377 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
378 ctf_integer(sector_t, sector, blk_rq_pos(rq))
379 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
380 ctf_integer(int, errors, rq->errors)
381 blk_rwbs_ctf_integer(unsigned int, rwbs,
382 lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
383 ctf_sequence_hex(unsigned char, cmd,
384 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
385 ),
386
387 TP_code_post()
388)
389#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5) \
390 || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \
391 || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \
392 || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0) \
393 || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \
394 || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0) \
395 || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0))
396
f127e61e 397LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
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398
399 TP_PROTO(struct request_queue *q, struct request *rq,
400 unsigned int nr_bytes),
401
402 TP_ARGS(q, rq, nr_bytes),
403
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404 TP_locvar(
405 unsigned char *cmd;
406 size_t cmd_len;
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407 ),
408
265822ae 409 TP_code_pre(
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410 if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
411 tp_locvar->cmd = rq->cmd;
412 tp_locvar->cmd_len = rq->cmd_len;
413 } else {
414 tp_locvar->cmd = NULL;
415 tp_locvar->cmd_len = 0;
416 }
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417 ),
418
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419 TP_FIELDS(
420 ctf_integer(dev_t, dev,
421 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
422 ctf_integer(sector_t, sector, blk_rq_pos(rq))
423 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
424 ctf_integer(int, errors, rq->errors)
425 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09 426 lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
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427 ctf_sequence_hex(unsigned char, cmd,
428 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
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429 ),
430
431 TP_code_post()
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432)
433
434#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
435
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436/**
437 * block_rq_complete - block IO operation completed by device driver
438 * @q: queue containing the block operation request
439 * @rq: block operations request
440 *
441 * The block_rq_complete tracepoint event indicates that some portion
442 * of operation request has been completed by the device driver. If
443 * the @rq->bio is %NULL, then there is absolutely no additional work to
444 * do for the request. If @rq->bio is non-NULL then there is
445 * additional work required to complete the request.
446 */
3bc29f0a 447LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete,
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448
449 TP_PROTO(struct request_queue *q, struct request *rq),
450
451 TP_ARGS(q, rq)
452)
453
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454#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
455
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456#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
457LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
458
459 TP_PROTO(struct request_queue *q, struct request *rq),
460
461 TP_ARGS(q, rq),
462
463 TP_FIELDS(
464 ctf_integer(dev_t, dev,
465 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
466 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
467 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
468 ctf_integer(unsigned int, bytes, blk_rq_bytes(rq))
469 ctf_integer(pid_t, tid, current->pid)
470 blk_rwbs_ctf_integer(unsigned int, rwbs,
471 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
472 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
473 )
474)
475#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
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476LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
477
478 TP_PROTO(struct request_queue *q, struct request *rq),
479
480 TP_ARGS(q, rq),
481
482 TP_locvar(
483 sector_t sector;
484 unsigned int nr_sector;
485 unsigned int bytes;
486 unsigned char *cmd;
487 size_t cmd_len;
488 ),
489
490 TP_code_pre(
491 if (blk_rq_is_scsi(rq)) {
492 struct scsi_request *scsi_rq = scsi_req(rq);
493 tp_locvar->sector = 0;
494 tp_locvar->nr_sector = 0;
495 tp_locvar->bytes = scsi_rq->resid_len;
496 tp_locvar->cmd = scsi_rq->cmd;
497 tp_locvar->cmd_len = scsi_rq->cmd_len;
498 } else {
499 tp_locvar->sector = blk_rq_pos(rq);
500 tp_locvar->nr_sector = blk_rq_sectors(rq);
501 tp_locvar->bytes = 0;
502 tp_locvar->cmd = NULL;
503 tp_locvar->cmd_len = 0;
504 }
505 ),
506
507 TP_FIELDS(
508 ctf_integer(dev_t, dev,
509 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
510 ctf_integer(sector_t, sector, tp_locvar->sector)
511 ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
512 ctf_integer(unsigned int, bytes, tp_locvar->bytes)
513 ctf_integer(pid_t, tid, current->pid)
514 blk_rwbs_ctf_integer(unsigned int, rwbs,
515 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
516 ctf_sequence_hex(unsigned char, cmd,
517 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
518 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
519 ),
520
521 TP_code_post()
522)
523#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
f127e61e 524LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
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525
526 TP_PROTO(struct request_queue *q, struct request *rq),
527
528 TP_ARGS(q, rq),
529
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530 TP_locvar(
531 sector_t sector;
532 unsigned int nr_sector;
533 unsigned int bytes;
534 unsigned char *cmd;
535 size_t cmd_len;
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536 ),
537
265822ae 538 TP_code_pre(
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539 if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
540 tp_locvar->sector = 0;
541 tp_locvar->nr_sector = 0;
542 tp_locvar->bytes = blk_rq_bytes(rq);
543 tp_locvar->cmd = rq->cmd;
544 tp_locvar->cmd_len = rq->cmd_len;
545 } else {
546 tp_locvar->sector = blk_rq_pos(rq);
547 tp_locvar->nr_sector = blk_rq_sectors(rq);
548 tp_locvar->bytes = 0;
549 tp_locvar->cmd = NULL;
550 tp_locvar->cmd_len = 0;
551 }
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552 ),
553
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554 TP_FIELDS(
555 ctf_integer(dev_t, dev,
556 rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
557 ctf_integer(sector_t, sector, tp_locvar->sector)
558 ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
559 ctf_integer(unsigned int, bytes, tp_locvar->bytes)
560 ctf_integer(pid_t, tid, current->pid)
561 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09 562 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
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563 ctf_sequence_hex(unsigned char, cmd,
564 tp_locvar->cmd, size_t, tp_locvar->cmd_len)
565 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
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566 ),
567
568 TP_code_post()
f62b389e 569)
8a9f549f 570#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
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571
572/**
573 * block_rq_insert - insert block operation request into queue
574 * @q: target queue
575 * @rq: block IO operation request
576 *
577 * Called immediately before block operation request @rq is inserted
578 * into queue @q. The fields in the operation request @rq struct can
579 * be examined to determine which device and sectors the pending
580 * operation would access.
581 */
3bc29f0a 582LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert,
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583
584 TP_PROTO(struct request_queue *q, struct request *rq),
585
586 TP_ARGS(q, rq)
587)
588
589/**
590 * block_rq_issue - issue pending block IO request operation to device driver
591 * @q: queue holding operation
592 * @rq: block IO operation operation request
593 *
594 * Called when block operation request @rq from queue @q is sent to a
595 * device driver for processing.
596 */
3bc29f0a 597LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue,
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598
599 TP_PROTO(struct request_queue *q, struct request *rq),
600
601 TP_ARGS(q, rq)
602)
603
604/**
605 * block_bio_bounce - used bounce buffer when processing block operation
606 * @q: queue holding the block operation
607 * @bio: block operation
608 *
609 * A bounce buffer was used to handle the block operation @bio in @q.
610 * This occurs when hardware limitations prevent a direct transfer of
611 * data between the @bio data memory area and the IO device. Use of a
612 * bounce buffer requires extra copying of data and decreases
613 * performance.
614 */
3bc29f0a 615LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
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616
617 TP_PROTO(struct request_queue *q, struct bio *bio),
618
619 TP_ARGS(q, bio),
620
f127e61e 621 TP_FIELDS(
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622#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
623 ctf_integer(dev_t, dev, bio_dev(bio))
624#else
959fe42a 625 ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
7feabe53 626#endif
54c4c2e3 627#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
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628 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
629 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
630 blk_rwbs_ctf_integer(unsigned int, rwbs,
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631 lttng_bio_op(bio), lttng_bio_rw(bio),
632 bio->bi_iter.bi_size)
54c4c2e3 633#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
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634 ctf_integer(sector_t, sector, bio->bi_sector)
635 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
636 blk_rwbs_ctf_integer(unsigned int, rwbs,
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637 lttng_bio_op(bio), lttng_bio_rw(bio),
638 bio->bi_size)
54c4c2e3 639#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
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640 ctf_integer(pid_t, tid, current->pid)
641 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
642 )
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643)
644
c6afb465
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645
646#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
647/**
648 * block_bio_complete - completed all work on the block operation
649 * @q: queue holding the block operation
650 * @bio: block operation completed
651 * @error: io error value
652 *
653 * This tracepoint indicates there is no further work to do on this
654 * block IO operation @bio.
655 */
656LTTNG_TRACEPOINT_EVENT(block_bio_complete,
657
658 TP_PROTO(struct request_queue *q, struct bio *bio),
659
660 TP_ARGS(q, bio),
661
662 TP_FIELDS(
663 ctf_integer(dev_t, dev, bio_dev(bio))
664 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
665 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
666 ctf_integer(int, error, blk_status_to_errno(bio->bi_status))
667 blk_rwbs_ctf_integer(unsigned int, rwbs,
668 lttng_bio_op(bio), lttng_bio_rw(bio),
669 bio->bi_iter.bi_size)
670 )
671)
672#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
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673/**
674 * block_bio_complete - completed all work on the block operation
675 * @q: queue holding the block operation
676 * @bio: block operation completed
677 * @error: io error value
678 *
679 * This tracepoint indicates there is no further work to do on this
680 * block IO operation @bio.
681 */
3bc29f0a 682LTTNG_TRACEPOINT_EVENT(block_bio_complete,
f62b389e 683
1bc491fc 684#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
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685 TP_PROTO(struct request_queue *q, struct bio *bio, int error),
686
687 TP_ARGS(q, bio, error),
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688#else
689 TP_PROTO(struct request_queue *q, struct bio *bio),
690
691 TP_ARGS(q, bio),
692#endif
f62b389e 693
f127e61e 694 TP_FIELDS(
7feabe53 695 ctf_integer(dev_t, dev, bio_dev(bio))
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696 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
697 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
698 ctf_integer(int, error, error)
699 blk_rwbs_ctf_integer(unsigned int, rwbs,
700 lttng_bio_op(bio), lttng_bio_rw(bio),
701 bio->bi_iter.bi_size)
702 )
703)
704#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
705/**
706 * block_bio_complete - completed all work on the block operation
707 * @q: queue holding the block operation
708 * @bio: block operation completed
709 * @error: io error value
710 *
711 * This tracepoint indicates there is no further work to do on this
712 * block IO operation @bio.
713 */
714LTTNG_TRACEPOINT_EVENT(block_bio_complete,
715
716 TP_PROTO(struct request_queue *q, struct bio *bio, int error),
717
718 TP_ARGS(q, bio, error),
719
720 TP_FIELDS(
959fe42a 721 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
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722 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
723 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
724 ctf_integer(int, error, error)
725 blk_rwbs_ctf_integer(unsigned int, rwbs,
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726 lttng_bio_op(bio), lttng_bio_rw(bio),
727 bio->bi_iter.bi_size)
c6afb465
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728 )
729)
730#else
731/**
732 * block_bio_complete - completed all work on the block operation
733 * @q: queue holding the block operation
734 * @bio: block operation completed
735 * @error: io error value
736 *
737 * This tracepoint indicates there is no further work to do on this
738 * block IO operation @bio.
739 */
740LTTNG_TRACEPOINT_EVENT(block_bio_complete,
741
742 TP_PROTO(struct request_queue *q, struct bio *bio, int error),
743
744 TP_ARGS(q, bio, error),
745
746 TP_FIELDS(
747 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
f127e61e
MD
748 ctf_integer(sector_t, sector, bio->bi_sector)
749 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
7c68b363 750#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
f127e61e 751 ctf_integer(int, error, error)
7c68b363 752#else
f127e61e 753 ctf_integer(int, error, 0)
7c68b363 754#endif
f127e61e 755 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09 756 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
f127e61e 757 )
f62b389e 758)
c6afb465 759#endif
f62b389e 760
217f66c6 761#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
3bc29f0a 762LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
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MD
763
764 TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
765
766 TP_ARGS(q, rq, bio),
767
f127e61e 768 TP_FIELDS(
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769#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
770 ctf_integer(dev_t, dev, bio_dev(bio))
771#else
959fe42a 772 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
7feabe53 773#endif
54c4c2e3 774#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
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775 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
776 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
777 blk_rwbs_ctf_integer(unsigned int, rwbs,
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MD
778 lttng_bio_op(bio), lttng_bio_rw(bio),
779 bio->bi_iter.bi_size)
54c4c2e3 780#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
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781 ctf_integer(sector_t, sector, bio->bi_sector)
782 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
783 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09 784 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
54c4c2e3 785#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
f127e61e
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786 ctf_integer(pid_t, tid, current->pid)
787 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
788 )
217f66c6
MD
789)
790
791/**
792 * block_bio_backmerge - merging block operation to the end of an existing operation
793 * @q: queue holding operation
794 * @bio: new block operation to merge
795 *
796 * Merging block request @bio to the end of an existing block request
797 * in queue @q.
798 */
3bc29f0a 799LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge,
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MD
800
801 TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
802
803 TP_ARGS(q, rq, bio)
804)
805
806/**
807 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
808 * @q: queue holding operation
809 * @bio: new block operation to merge
810 *
811 * Merging block IO operation @bio to the beginning of an existing block
812 * operation in queue @q.
813 */
3bc29f0a 814LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge,
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815
816 TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
817
818 TP_ARGS(q, rq, bio)
819)
820
821/**
822 * block_bio_queue - putting new block IO operation in queue
823 * @q: queue holding operation
824 * @bio: new block operation
825 *
826 * About to place the block IO operation @bio into queue @q.
827 */
3bc29f0a 828LTTNG_TRACEPOINT_EVENT(block_bio_queue,
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829
830 TP_PROTO(struct request_queue *q, struct bio *bio),
831
832 TP_ARGS(q, bio),
833
f127e61e 834 TP_FIELDS(
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835#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
836 ctf_integer(dev_t, dev, bio_dev(bio))
837#else
959fe42a 838 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
7feabe53 839#endif
54c4c2e3 840#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
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841 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
842 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
843 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09
MD
844 lttng_bio_op(bio), lttng_bio_rw(bio),
845 bio->bi_iter.bi_size)
54c4c2e3 846#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
f127e61e
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847 ctf_integer(sector_t, sector, bio->bi_sector)
848 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
849 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09 850 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
54c4c2e3 851#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
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852 ctf_integer(pid_t, tid, current->pid)
853 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
854 )
217f66c6 855)
f127e61e 856#else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
3bc29f0a 857LTTNG_TRACEPOINT_EVENT_CLASS(block_bio,
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MD
858
859 TP_PROTO(struct request_queue *q, struct bio *bio),
860
861 TP_ARGS(q, bio),
862
f127e61e 863 TP_FIELDS(
959fe42a 864 ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
f127e61e
MD
865 ctf_integer(sector_t, sector, bio->bi_sector)
866 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
867 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09 868 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
f127e61e
MD
869 ctf_integer(pid_t, tid, current->pid)
870 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
871 )
f62b389e
MD
872)
873
874/**
875 * block_bio_backmerge - merging block operation to the end of an existing operation
876 * @q: queue holding operation
877 * @bio: new block operation to merge
878 *
879 * Merging block request @bio to the end of an existing block request
880 * in queue @q.
881 */
3bc29f0a 882LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge,
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883
884 TP_PROTO(struct request_queue *q, struct bio *bio),
885
886 TP_ARGS(q, bio)
887)
888
889/**
890 * block_bio_frontmerge - merging block operation to the beginning of an existing operation
891 * @q: queue holding operation
892 * @bio: new block operation to merge
893 *
894 * Merging block IO operation @bio to the beginning of an existing block
895 * operation in queue @q.
896 */
3bc29f0a 897LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge,
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898
899 TP_PROTO(struct request_queue *q, struct bio *bio),
900
901 TP_ARGS(q, bio)
902)
903
904/**
905 * block_bio_queue - putting new block IO operation in queue
906 * @q: queue holding operation
907 * @bio: new block operation
908 *
909 * About to place the block IO operation @bio into queue @q.
910 */
3bc29f0a 911LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue,
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912
913 TP_PROTO(struct request_queue *q, struct bio *bio),
914
915 TP_ARGS(q, bio)
916)
f127e61e 917#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
f62b389e 918
3bc29f0a 919LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
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920
921 TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
922
923 TP_ARGS(q, bio, rw),
924
f127e61e 925 TP_FIELDS(
7feabe53 926#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
6417cda6 927 ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0)
7feabe53 928#else
959fe42a 929 ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0)
7feabe53 930#endif
54c4c2e3 931#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
f127e61e
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932 ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0)
933 ctf_integer(unsigned int, nr_sector,
934 bio ? bio_sectors(bio) : 0)
935 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09
MD
936 bio ? lttng_bio_op(bio) : 0,
937 bio ? lttng_bio_rw(bio) : 0,
f127e61e 938 bio ? bio->bi_iter.bi_size : 0)
54c4c2e3 939#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
f127e61e
MD
940 ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0)
941 ctf_integer(unsigned int, nr_sector,
942 bio ? bio->bi_size >> 9 : 0)
943 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09
MD
944 bio ? lttng_bio_op(bio) : 0,
945 bio ? lttng_bio_rw(bio) : 0,
f127e61e 946 bio ? bio->bi_size : 0)
54c4c2e3 947#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
f127e61e
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948 ctf_integer(pid_t, tid, current->pid)
949 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
950 )
f62b389e
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951)
952
953/**
954 * block_getrq - get a free request entry in queue for block IO operations
955 * @q: queue for operations
6417cda6 956 * @bio: pending block IO operation (can be %NULL)
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957 * @rw: low bit indicates a read (%0) or a write (%1)
958 *
959 * A request struct for queue @q has been allocated to handle the
960 * block IO operation @bio.
961 */
3bc29f0a 962LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq,
f62b389e
MD
963
964 TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
965
966 TP_ARGS(q, bio, rw)
967)
968
969/**
970 * block_sleeprq - waiting to get a free request entry in queue for block IO operation
971 * @q: queue for operation
6417cda6 972 * @bio: pending block IO operation (can be %NULL)
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973 * @rw: low bit indicates a read (%0) or a write (%1)
974 *
975 * In the case where a request struct cannot be provided for queue @q
976 * the process needs to wait for an request struct to become
977 * available. This tracepoint event is generated each time the
978 * process goes to sleep waiting for request struct become available.
979 */
3bc29f0a 980LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq,
f62b389e
MD
981
982 TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
983
984 TP_ARGS(q, bio, rw)
985)
986
987/**
988 * block_plug - keep operations requests in request queue
989 * @q: request queue to plug
990 *
991 * Plug the request queue @q. Do not allow block operation requests
992 * to be sent to the device driver. Instead, accumulate requests in
993 * the queue to improve throughput performance of the block device.
994 */
3bc29f0a 995LTTNG_TRACEPOINT_EVENT(block_plug,
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996
997 TP_PROTO(struct request_queue *q),
998
999 TP_ARGS(q),
1000
f127e61e
MD
1001 TP_FIELDS(
1002 ctf_integer(pid_t, tid, current->pid)
1003 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1004 )
f62b389e
MD
1005)
1006
3bc29f0a 1007LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug,
f62b389e 1008
7c68b363 1009#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
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1010 TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
1011
1012 TP_ARGS(q, depth, explicit),
7c68b363
AG
1013#else
1014 TP_PROTO(struct request_queue *q),
1015
1016 TP_ARGS(q),
1017#endif
f62b389e 1018
f127e61e 1019 TP_FIELDS(
7c68b363 1020#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
f127e61e 1021 ctf_integer(int, nr_rq, depth)
7c68b363 1022#else
f127e61e 1023 ctf_integer(int, nr_rq, q->rq.count[READ] + q->rq.count[WRITE])
7c68b363 1024#endif
f127e61e
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1025 ctf_integer(pid_t, tid, current->pid)
1026 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1027 )
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1028)
1029
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1030#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39))
1031/**
1032 * block_unplug_timer - timed release of operations requests in queue to device driver
1033 * @q: request queue to unplug
1034 *
1035 * Unplug the request queue @q because a timer expired and allow block
1036 * operation requests to be sent to the device driver.
1037 */
3bc29f0a 1038LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_timer,
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1039
1040 TP_PROTO(struct request_queue *q),
1041
1042 TP_ARGS(q)
1043)
1044#endif
1045
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1046/**
1047 * block_unplug - release of operations requests in request queue
1048 * @q: request queue to unplug
1049 * @depth: number of requests just added to the queue
1050 * @explicit: whether this was an explicit unplug, or one from schedule()
1051 *
1052 * Unplug request queue @q because device driver is scheduled to work
1053 * on elements in the request queue.
1054 */
7c68b363 1055#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
3bc29f0a 1056LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug,
7c68b363 1057#else
3bc29f0a 1058LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_io,
7c68b363 1059#endif
f62b389e 1060
7c68b363 1061#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
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1062 TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
1063
1064 TP_ARGS(q, depth, explicit)
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1065#else
1066 TP_PROTO(struct request_queue *q),
1067
1068 TP_ARGS(q)
1069#endif
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1070)
1071
1072/**
1073 * block_split - split a single bio struct into two bio structs
1074 * @q: queue containing the bio
1075 * @bio: block operation being split
1076 * @new_sector: The starting sector for the new bio
1077 *
1078 * The bio request @bio in request queue @q needs to be split into two
1079 * bio requests. The newly created @bio request starts at
1080 * @new_sector. This split may be required due to hardware limitation
1081 * such as operation crossing device boundaries in a RAID system.
1082 */
3bc29f0a 1083LTTNG_TRACEPOINT_EVENT(block_split,
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1084
1085 TP_PROTO(struct request_queue *q, struct bio *bio,
1086 unsigned int new_sector),
1087
1088 TP_ARGS(q, bio, new_sector),
1089
f127e61e 1090 TP_FIELDS(
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1091#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
1092 ctf_integer(dev_t, dev, bio_dev(bio))
1093#else
959fe42a 1094 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
7feabe53 1095#endif
54c4c2e3 1096#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
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1097 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1098 blk_rwbs_ctf_integer(unsigned int, rwbs,
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1099 lttng_bio_op(bio), lttng_bio_rw(bio),
1100 bio->bi_iter.bi_size)
54c4c2e3 1101#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
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1102 ctf_integer(sector_t, sector, bio->bi_sector)
1103 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09 1104 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
54c4c2e3 1105#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
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1106 ctf_integer(sector_t, new_sector, new_sector)
1107 ctf_integer(pid_t, tid, current->pid)
1108 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1109 )
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1110)
1111
1112/**
1113 * block_bio_remap - map request for a logical device to the raw device
1114 * @q: queue holding the operation
1115 * @bio: revised operation
1116 * @dev: device for the operation
1117 * @from: original sector for the operation
1118 *
1119 * An operation for a logical device has been mapped to the
1120 * raw block device.
1121 */
7c68b363 1122#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
3bc29f0a 1123LTTNG_TRACEPOINT_EVENT(block_bio_remap,
7c68b363 1124#else
3bc29f0a 1125LTTNG_TRACEPOINT_EVENT(block_remap,
7c68b363 1126#endif
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1127
1128 TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
1129 sector_t from),
1130
1131 TP_ARGS(q, bio, dev, from),
1132
f127e61e 1133 TP_FIELDS(
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1134#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
1135 ctf_integer(dev_t, dev, bio_dev(bio))
1136#else
959fe42a 1137 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
7feabe53 1138#endif
54c4c2e3 1139#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
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1140 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1141 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
1142 blk_rwbs_ctf_integer(unsigned int, rwbs,
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1143 lttng_bio_op(bio), lttng_bio_rw(bio),
1144 bio->bi_iter.bi_size)
54c4c2e3 1145#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
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1146 ctf_integer(sector_t, sector, bio->bi_sector)
1147 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
1148 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09 1149 lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
54c4c2e3 1150#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
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1151 ctf_integer(dev_t, old_dev, dev)
1152 ctf_integer(sector_t, old_sector, from)
1153 )
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1154)
1155
7c68b363 1156#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
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1157/**
1158 * block_rq_remap - map request for a block operation request
1159 * @q: queue holding the operation
1160 * @rq: block IO operation request
1161 * @dev: device for the operation
1162 * @from: original sector for the operation
1163 *
1164 * The block operation request @rq in @q has been remapped. The block
1165 * operation request @rq holds the current information and @from hold
1166 * the original sector.
1167 */
3bc29f0a 1168LTTNG_TRACEPOINT_EVENT(block_rq_remap,
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1169
1170 TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev,
1171 sector_t from),
1172
1173 TP_ARGS(q, rq, dev, from),
1174
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1175 TP_FIELDS(
1176 ctf_integer(dev_t, dev, disk_devt(rq->rq_disk))
1177 ctf_integer(sector_t, sector, blk_rq_pos(rq))
1178 ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq))
1179 ctf_integer(dev_t, old_dev, dev)
1180 ctf_integer(sector_t, old_sector, from)
1181 blk_rwbs_ctf_integer(unsigned int, rwbs,
e6d2cc09 1182 lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
f127e61e 1183 )
f62b389e 1184)
7c68b363 1185#endif
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1186
1187#undef __print_rwbs_flags
1188#undef blk_fill_rwbs
1189
3bc29f0a 1190#endif /* LTTNG_TRACE_BLOCK_H */
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1191
1192/* This part must be outside protection */
6ec43db8 1193#include <probes/define_trace.h>
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