Commit | Line | Data |
---|---|---|
9f36eaed | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
f62b389e MD |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM block | |
4 | ||
3bc29f0a MD |
5 | #if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) |
6 | #define LTTNG_TRACE_BLOCK_H | |
f62b389e | 7 | |
6ec43db8 | 8 | #include <probes/lttng-tracepoint-event.h> |
f62b389e MD |
9 | #include <linux/blktrace_api.h> |
10 | #include <linux/blkdev.h> | |
f62b389e | 11 | #include <linux/trace_seq.h> |
7c68b363 AG |
12 | #include <linux/version.h> |
13 | ||
8a9f549f FD |
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 | ||
f62b389e MD |
18 | #ifndef _TRACE_BLOCK_DEF_ |
19 | #define _TRACE_BLOCK_DEF_ | |
20 | ||
f62b389e MD |
21 | enum { |
22 | RWBS_FLAG_WRITE = (1 << 0), | |
23 | RWBS_FLAG_DISCARD = (1 << 1), | |
24 | RWBS_FLAG_READ = (1 << 2), | |
25 | RWBS_FLAG_RAHEAD = (1 << 3), | |
7c68b363 AG |
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), |
f62b389e MD |
33 | }; |
34 | ||
35 | #endif /* _TRACE_BLOCK_DEF_ */ | |
36 | ||
d5e97fbf | 37 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0) || \ |
0badc02f MJ |
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)) | |
e6d2cc09 MD |
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 | |
e6d2cc09 MD |
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 : \ |
7c68b363 AG |
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 | ||
e6d2cc09 MD |
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 : \ |
f62b389e MD |
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 | ||
7c68b363 AG |
101 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)) |
102 | ||
e6d2cc09 MD |
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 : \ |
7c68b363 AG |
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 | ||
e6d2cc09 MD |
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 : \ |
7c68b363 AG |
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 | 139 | LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer, |
217f66c6 MD |
140 | |
141 | TP_PROTO(struct buffer_head *bh), | |
142 | ||
143 | TP_ARGS(bh), | |
144 | ||
f127e61e MD |
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) | |
217f66c6 MD |
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 | 158 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer, |
217f66c6 MD |
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 | 171 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer, |
217f66c6 MD |
172 | |
173 | TP_PROTO(struct buffer_head *bh), | |
174 | ||
175 | TP_ARGS(bh) | |
176 | ) | |
177 | #endif | |
178 | ||
d2457078 MJ |
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 | 182 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, |
f62b389e MD |
183 | |
184 | TP_PROTO(struct request_queue *q, struct request *rq), | |
185 | ||
186 | TP_ARGS(q, rq), | |
187 | ||
f127e61e MD |
188 | TP_locvar( |
189 | sector_t sector; | |
190 | unsigned int nr_sector; | |
191 | unsigned char *cmd; | |
192 | size_t cmd_len; | |
f62b389e MD |
193 | ), |
194 | ||
265822ae | 195 | TP_code_pre( |
8a9f549f FD |
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)) */ | |
225 | LTTNG_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 | ||
f127e61e MD |
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 | } | |
f62b389e MD |
251 | ), |
252 | ||
f127e61e MD |
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)) |
f127e61e MD |
261 | ctf_sequence_hex(unsigned char, cmd, |
262 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
265822ae MD |
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)) |
f62b389e MD |
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 | 280 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort, |
f62b389e MD |
281 | |
282 | TP_PROTO(struct request_queue *q, struct request *rq), | |
283 | ||
284 | TP_ARGS(q, rq) | |
285 | ) | |
d2457078 | 286 | #endif |
f62b389e MD |
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 | */ | |
d2457078 MJ |
297 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
298 | LTTNG_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 | 314 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue, |
f62b389e MD |
315 | |
316 | TP_PROTO(struct request_queue *q, struct request *rq), | |
317 | ||
318 | TP_ARGS(q, rq) | |
319 | ) | |
d2457078 | 320 | #endif |
f62b389e | 321 | |
1c53e689 MD |
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 | */ | |
d2457078 MJ |
334 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
335 | LTTNG_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)) | |
8a9f549f FD |
352 | LTTNG_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 | 397 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
1c53e689 MD |
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 | ||
f127e61e MD |
404 | TP_locvar( |
405 | unsigned char *cmd; | |
406 | size_t cmd_len; | |
1c53e689 MD |
407 | ), |
408 | ||
265822ae | 409 | TP_code_pre( |
f127e61e MD |
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 | } | |
1c53e689 MD |
417 | ), |
418 | ||
f127e61e MD |
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) |
f127e61e MD |
427 | ctf_sequence_hex(unsigned char, cmd, |
428 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
265822ae MD |
429 | ), |
430 | ||
431 | TP_code_post() | |
1c53e689 MD |
432 | ) |
433 | ||
434 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ | |
435 | ||
f62b389e MD |
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 | 447 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete, |
f62b389e MD |
448 | |
449 | TP_PROTO(struct request_queue *q, struct request *rq), | |
450 | ||
451 | TP_ARGS(q, rq) | |
452 | ) | |
453 | ||
1c53e689 MD |
454 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ |
455 | ||
d2457078 MJ |
456 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
457 | LTTNG_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)) | |
8a9f549f FD |
476 | LTTNG_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 | 524 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
f62b389e MD |
525 | |
526 | TP_PROTO(struct request_queue *q, struct request *rq), | |
527 | ||
528 | TP_ARGS(q, rq), | |
529 | ||
f127e61e MD |
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; | |
f62b389e MD |
536 | ), |
537 | ||
265822ae | 538 | TP_code_pre( |
f127e61e MD |
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 | } | |
f62b389e MD |
552 | ), |
553 | ||
f127e61e MD |
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)) |
f127e61e MD |
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) | |
265822ae MD |
566 | ), |
567 | ||
568 | TP_code_post() | |
f62b389e | 569 | ) |
8a9f549f | 570 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
f62b389e MD |
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 | 582 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, |
f62b389e MD |
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 | 597 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, |
f62b389e MD |
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 | 615 | LTTNG_TRACEPOINT_EVENT(block_bio_bounce, |
f62b389e MD |
616 | |
617 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
618 | ||
619 | TP_ARGS(q, bio), | |
620 | ||
f127e61e | 621 | TP_FIELDS( |
7feabe53 MD |
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)) |
f127e61e MD |
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, | |
e6d2cc09 MD |
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)) */ |
f127e61e MD |
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, | |
e6d2cc09 MD |
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)) */ |
f127e61e MD |
640 | ctf_integer(pid_t, tid, current->pid) |
641 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
642 | ) | |
f62b389e MD |
643 | ) |
644 | ||
c6afb465 MJ |
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 | */ | |
656 | LTTNG_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)) | |
f62b389e MD |
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 | 682 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, |
f62b389e | 683 | |
1bc491fc | 684 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
f62b389e MD |
685 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), |
686 | ||
687 | TP_ARGS(q, bio, error), | |
7c68b363 AG |
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)) |
c6afb465 MJ |
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 | */ | |
714 | LTTNG_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) |
f127e61e MD |
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, | |
e6d2cc09 MD |
726 | lttng_bio_op(bio), lttng_bio_rw(bio), |
727 | bio->bi_iter.bi_size) | |
c6afb465 MJ |
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 | */ | |
740 | LTTNG_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 | 762 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, |
217f66c6 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( |
7feabe53 MD |
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)) |
f127e61e MD |
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, | |
e6d2cc09 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)) */ |
f127e61e MD |
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 MD |
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 | 799 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge, |
217f66c6 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 | 814 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge, |
217f66c6 MD |
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 | 828 | LTTNG_TRACEPOINT_EVENT(block_bio_queue, |
217f66c6 MD |
829 | |
830 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
831 | ||
832 | TP_ARGS(q, bio), | |
833 | ||
f127e61e | 834 | TP_FIELDS( |
7feabe53 MD |
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)) |
f127e61e MD |
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 MD |
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)) */ |
f127e61e MD |
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 | 857 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio, |
f62b389e 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 | 882 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge, |
f62b389e MD |
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 | 897 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge, |
f62b389e MD |
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 | 911 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue, |
f62b389e MD |
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 | 919 | LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq, |
f62b389e MD |
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 MD |
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 MD |
948 | ctf_integer(pid_t, tid, current->pid) |
949 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
950 | ) | |
f62b389e MD |
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) |
f62b389e MD |
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 | 962 | LTTNG_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) |
f62b389e MD |
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 | 980 | LTTNG_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 | 995 | LTTNG_TRACEPOINT_EVENT(block_plug, |
f62b389e MD |
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 | 1007 | LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug, |
f62b389e | 1008 | |
7c68b363 | 1009 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e MD |
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 MD |
1025 | ctf_integer(pid_t, tid, current->pid) |
1026 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
1027 | ) | |
f62b389e MD |
1028 | ) |
1029 | ||
7c68b363 AG |
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 | 1038 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_timer, |
7c68b363 AG |
1039 | |
1040 | TP_PROTO(struct request_queue *q), | |
1041 | ||
1042 | TP_ARGS(q) | |
1043 | ) | |
1044 | #endif | |
1045 | ||
f62b389e MD |
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 | 1056 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug, |
7c68b363 | 1057 | #else |
3bc29f0a | 1058 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_io, |
7c68b363 | 1059 | #endif |
f62b389e | 1060 | |
7c68b363 | 1061 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e MD |
1062 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
1063 | ||
1064 | TP_ARGS(q, depth, explicit) | |
7c68b363 AG |
1065 | #else |
1066 | TP_PROTO(struct request_queue *q), | |
1067 | ||
1068 | TP_ARGS(q) | |
1069 | #endif | |
f62b389e MD |
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 | 1083 | LTTNG_TRACEPOINT_EVENT(block_split, |
f62b389e MD |
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( |
7feabe53 MD |
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)) |
f127e61e MD |
1097 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
1098 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
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)) */ |
f127e61e MD |
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)) */ |
f127e61e MD |
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 | ) | |
f62b389e MD |
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 | 1123 | LTTNG_TRACEPOINT_EVENT(block_bio_remap, |
7c68b363 | 1124 | #else |
3bc29f0a | 1125 | LTTNG_TRACEPOINT_EVENT(block_remap, |
7c68b363 | 1126 | #endif |
f62b389e MD |
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( |
7feabe53 MD |
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)) |
f127e61e MD |
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, | |
e6d2cc09 MD |
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)) */ |
f127e61e MD |
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)) */ |
f127e61e MD |
1151 | ctf_integer(dev_t, old_dev, dev) |
1152 | ctf_integer(sector_t, old_sector, from) | |
1153 | ) | |
f62b389e MD |
1154 | ) |
1155 | ||
7c68b363 | 1156 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
f62b389e MD |
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 | 1168 | LTTNG_TRACEPOINT_EVENT(block_rq_remap, |
f62b389e MD |
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 | ||
f127e61e MD |
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 |
f62b389e MD |
1186 | |
1187 | #undef __print_rwbs_flags | |
1188 | #undef blk_fill_rwbs | |
1189 | ||
3bc29f0a | 1190 | #endif /* LTTNG_TRACE_BLOCK_H */ |
f62b389e MD |
1191 | |
1192 | /* This part must be outside protection */ | |
6ec43db8 | 1193 | #include <probes/define_trace.h> |