Commit | Line | Data |
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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) || \ |
0c424291 | 38 | LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,103,92,0,0)) |
e6d2cc09 MD |
39 | |
40 | #define lttng_req_op(rq) req_op(rq) | |
41 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
42 | #define lttng_bio_op(bio) bio_op(bio) | |
43 | #define lttng_bio_rw(bio) ((bio)->bi_opf) | |
44 | ||
45 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
46 | ctf_integer(type, rwbs, \ | |
47 | (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \ | |
48 | ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD : \ | |
49 | ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \ | |
50 | ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH : \ | |
51 | ( (op) == REQ_OP_READ ? RWBS_FLAG_READ : \ | |
52 | ( 0 )))))) \ | |
53 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
54 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
55 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
56 | | ((rw) & REQ_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0) \ | |
57 | | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) | |
58 | ||
59 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) | |
7c68b363 | 60 | |
e6d2cc09 MD |
61 | #define lttng_req_op(rq) |
62 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
63 | #define lttng_bio_op(bio) | |
64 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
65 | ||
66 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 67 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
7c68b363 AG |
68 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ |
69 | ( (bytes) ? RWBS_FLAG_READ : \ | |
70 | ( 0 )))) \ | |
71 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
72 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
73 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
74 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \ | |
75 | | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \ | |
76 | | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) | |
77 | ||
78 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
79 | ||
e6d2cc09 MD |
80 | #define lttng_req_op(rq) |
81 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
82 | #define lttng_bio_op(bio) | |
83 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
84 | ||
85 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 86 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
f62b389e MD |
87 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ |
88 | ( (bytes) ? RWBS_FLAG_READ : \ | |
89 | ( 0 )))) \ | |
90 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
91 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
92 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
93 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) | |
94 | ||
7c68b363 AG |
95 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)) |
96 | ||
e6d2cc09 MD |
97 | #define lttng_req_op(rq) |
98 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
99 | #define lttng_bio_op(bio) | |
100 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
101 | ||
102 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 103 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
7c68b363 AG |
104 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ |
105 | ( (bytes) ? RWBS_FLAG_READ : \ | |
106 | ( 0 )))) \ | |
107 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
108 | | ((rw) & REQ_HARDBARRIER ? RWBS_FLAG_BARRIER : 0) \ | |
109 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
110 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
111 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) | |
112 | ||
113 | #else | |
114 | ||
e6d2cc09 MD |
115 | #define lttng_req_op(rq) |
116 | #define lttng_req_rw(rq) ((rq)->cmd_flags) | |
117 | #define lttng_bio_op(bio) | |
118 | #define lttng_bio_rw(bio) ((bio)->bi_rw) | |
119 | ||
120 | #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ | |
f127e61e | 121 | ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ |
7c68b363 AG |
122 | ( (rw) & (1 << BIO_RW_DISCARD) ? RWBS_FLAG_DISCARD : \ |
123 | ( (bytes) ? RWBS_FLAG_READ : \ | |
124 | ( 0 )))) \ | |
125 | | ((rw) & (1 << BIO_RW_AHEAD) ? RWBS_FLAG_RAHEAD : 0) \ | |
126 | | ((rw) & (1 << BIO_RW_SYNCIO) ? RWBS_FLAG_SYNC : 0) \ | |
127 | | ((rw) & (1 << BIO_RW_META) ? RWBS_FLAG_META : 0) \ | |
128 | | ((rw) & (1 << BIO_RW_BARRIER) ? RWBS_FLAG_BARRIER : 0)) | |
129 | ||
130 | #endif | |
131 | ||
217f66c6 | 132 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
3bc29f0a | 133 | LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer, |
217f66c6 MD |
134 | |
135 | TP_PROTO(struct buffer_head *bh), | |
136 | ||
137 | TP_ARGS(bh), | |
138 | ||
f127e61e MD |
139 | TP_FIELDS ( |
140 | ctf_integer(dev_t, dev, bh->b_bdev->bd_dev) | |
141 | ctf_integer(sector_t, sector, bh->b_blocknr) | |
142 | ctf_integer(size_t, size, bh->b_size) | |
217f66c6 MD |
143 | ) |
144 | ) | |
145 | ||
146 | /** | |
147 | * block_touch_buffer - mark a buffer accessed | |
148 | * @bh: buffer_head being touched | |
149 | * | |
150 | * Called from touch_buffer(). | |
151 | */ | |
3bc29f0a | 152 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer, |
217f66c6 MD |
153 | |
154 | TP_PROTO(struct buffer_head *bh), | |
155 | ||
156 | TP_ARGS(bh) | |
157 | ) | |
158 | ||
159 | /** | |
160 | * block_dirty_buffer - mark a buffer dirty | |
161 | * @bh: buffer_head being dirtied | |
162 | * | |
163 | * Called from mark_buffer_dirty(). | |
164 | */ | |
3bc29f0a | 165 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer, |
217f66c6 MD |
166 | |
167 | TP_PROTO(struct buffer_head *bh), | |
168 | ||
169 | TP_ARGS(bh) | |
170 | ) | |
171 | #endif | |
172 | ||
d2457078 MJ |
173 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
174 | /* block_rq_with_error event class removed in kernel 4.12 */ | |
175 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
f127e61e | 176 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, |
f62b389e MD |
177 | |
178 | TP_PROTO(struct request_queue *q, struct request *rq), | |
179 | ||
180 | TP_ARGS(q, rq), | |
181 | ||
f127e61e MD |
182 | TP_locvar( |
183 | sector_t sector; | |
184 | unsigned int nr_sector; | |
185 | unsigned char *cmd; | |
186 | size_t cmd_len; | |
f62b389e MD |
187 | ), |
188 | ||
265822ae | 189 | TP_code_pre( |
8a9f549f FD |
190 | if (blk_rq_is_scsi(rq)) { |
191 | struct scsi_request *scsi_rq = scsi_req(rq); | |
192 | tp_locvar->sector = 0; | |
193 | tp_locvar->nr_sector = 0; | |
194 | tp_locvar->cmd = scsi_rq->cmd; | |
195 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
196 | } else { | |
197 | tp_locvar->sector = blk_rq_pos(rq); | |
198 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
199 | tp_locvar->cmd = NULL; | |
200 | tp_locvar->cmd_len = 0; | |
201 | } | |
202 | ), | |
203 | ||
204 | TP_FIELDS( | |
205 | ctf_integer(dev_t, dev, | |
206 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
207 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
208 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
209 | ctf_integer(int, errors, rq->errors) | |
210 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
211 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
212 | ctf_sequence_hex(unsigned char, cmd, | |
213 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
214 | ), | |
215 | ||
216 | TP_code_post() | |
217 | ) | |
218 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
219 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, | |
220 | ||
221 | TP_PROTO(struct request_queue *q, struct request *rq), | |
222 | ||
223 | TP_ARGS(q, rq), | |
224 | ||
225 | TP_locvar( | |
226 | sector_t sector; | |
227 | unsigned int nr_sector; | |
228 | unsigned char *cmd; | |
229 | size_t cmd_len; | |
230 | ), | |
231 | ||
232 | TP_code_pre( | |
233 | ||
f127e61e MD |
234 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
235 | tp_locvar->sector = 0; | |
236 | tp_locvar->nr_sector = 0; | |
237 | tp_locvar->cmd = rq->cmd; | |
238 | tp_locvar->cmd_len = rq->cmd_len; | |
239 | } else { | |
240 | tp_locvar->sector = blk_rq_pos(rq); | |
241 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
242 | tp_locvar->cmd = NULL; | |
243 | tp_locvar->cmd_len = 0; | |
244 | } | |
f62b389e MD |
245 | ), |
246 | ||
f127e61e MD |
247 | TP_FIELDS( |
248 | ctf_integer(dev_t, dev, | |
249 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
250 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
251 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
252 | ctf_integer(int, errors, rq->errors) | |
253 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 254 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e MD |
255 | ctf_sequence_hex(unsigned char, cmd, |
256 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
265822ae MD |
257 | ), |
258 | ||
259 | TP_code_post() | |
f62b389e | 260 | ) |
8a9f549f | 261 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
f62b389e | 262 | |
d2457078 | 263 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0)) |
f62b389e MD |
264 | /** |
265 | * block_rq_abort - abort block operation request | |
266 | * @q: queue containing the block operation request | |
267 | * @rq: block IO operation request | |
268 | * | |
269 | * Called immediately after pending block IO operation request @rq in | |
270 | * queue @q is aborted. The fields in the operation request @rq | |
271 | * can be examined to determine which device and sectors the pending | |
272 | * operation would access. | |
273 | */ | |
3bc29f0a | 274 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort, |
f62b389e MD |
275 | |
276 | TP_PROTO(struct request_queue *q, struct request *rq), | |
277 | ||
278 | TP_ARGS(q, rq) | |
279 | ) | |
d2457078 | 280 | #endif |
f62b389e MD |
281 | |
282 | /** | |
283 | * block_rq_requeue - place block IO request back on a queue | |
284 | * @q: queue holding operation | |
285 | * @rq: block IO operation request | |
286 | * | |
287 | * The block operation request @rq is being placed back into queue | |
288 | * @q. For some reason the request was not completed and needs to be | |
289 | * put back in the queue. | |
290 | */ | |
d2457078 MJ |
291 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
292 | LTTNG_TRACEPOINT_EVENT(block_rq_requeue, | |
293 | ||
294 | TP_PROTO(struct request_queue *q, struct request *rq), | |
295 | ||
296 | TP_ARGS(q, rq), | |
297 | ||
298 | TP_FIELDS( | |
299 | ctf_integer(dev_t, dev, | |
300 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
301 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) | |
302 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) | |
303 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
304 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
305 | ) | |
306 | ) | |
307 | #else | |
3bc29f0a | 308 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue, |
f62b389e MD |
309 | |
310 | TP_PROTO(struct request_queue *q, struct request *rq), | |
311 | ||
312 | TP_ARGS(q, rq) | |
313 | ) | |
d2457078 | 314 | #endif |
f62b389e | 315 | |
1c53e689 MD |
316 | /** |
317 | * block_rq_complete - block IO operation completed by device driver | |
318 | * @q: queue containing the block operation request | |
319 | * @rq: block operations request | |
320 | * @nr_bytes: number of completed bytes | |
321 | * | |
322 | * The block_rq_complete tracepoint event indicates that some portion | |
323 | * of operation request has been completed by the device driver. If | |
324 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
325 | * do for the request. If @rq->bio is non-NULL then there is | |
326 | * additional work required to complete the request. | |
327 | */ | |
d2457078 MJ |
328 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
329 | LTTNG_TRACEPOINT_EVENT(block_rq_complete, | |
330 | ||
331 | TP_PROTO(struct request *rq, int error, unsigned int nr_bytes), | |
332 | ||
333 | TP_ARGS(rq, error, nr_bytes), | |
334 | ||
335 | TP_FIELDS( | |
336 | ctf_integer(dev_t, dev, | |
337 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
338 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
339 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
340 | ctf_integer(int, error, error) | |
341 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
342 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) | |
343 | ) | |
344 | ) | |
345 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
8a9f549f FD |
346 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
347 | ||
348 | TP_PROTO(struct request_queue *q, struct request *rq, | |
349 | unsigned int nr_bytes), | |
350 | ||
351 | TP_ARGS(q, rq, nr_bytes), | |
352 | ||
353 | TP_locvar( | |
354 | unsigned char *cmd; | |
355 | size_t cmd_len; | |
356 | ), | |
357 | ||
358 | TP_code_pre( | |
359 | if (blk_rq_is_scsi(rq)) { | |
360 | struct scsi_request *scsi_rq = scsi_req(rq); | |
361 | tp_locvar->cmd = scsi_rq->cmd; | |
362 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
363 | } else { | |
364 | tp_locvar->cmd = NULL; | |
365 | tp_locvar->cmd_len = 0; | |
366 | } | |
367 | ), | |
368 | ||
369 | TP_FIELDS( | |
370 | ctf_integer(dev_t, dev, | |
371 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
372 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
373 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
374 | ctf_integer(int, errors, rq->errors) | |
375 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
376 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) | |
377 | ctf_sequence_hex(unsigned char, cmd, | |
378 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
379 | ), | |
380 | ||
381 | TP_code_post() | |
382 | ) | |
383 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5) \ | |
384 | || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \ | |
385 | || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \ | |
386 | || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0) \ | |
387 | || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \ | |
388 | || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0) \ | |
389 | || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0)) | |
390 | ||
f127e61e | 391 | LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, |
1c53e689 MD |
392 | |
393 | TP_PROTO(struct request_queue *q, struct request *rq, | |
394 | unsigned int nr_bytes), | |
395 | ||
396 | TP_ARGS(q, rq, nr_bytes), | |
397 | ||
f127e61e MD |
398 | TP_locvar( |
399 | unsigned char *cmd; | |
400 | size_t cmd_len; | |
1c53e689 MD |
401 | ), |
402 | ||
265822ae | 403 | TP_code_pre( |
f127e61e MD |
404 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
405 | tp_locvar->cmd = rq->cmd; | |
406 | tp_locvar->cmd_len = rq->cmd_len; | |
407 | } else { | |
408 | tp_locvar->cmd = NULL; | |
409 | tp_locvar->cmd_len = 0; | |
410 | } | |
1c53e689 MD |
411 | ), |
412 | ||
f127e61e MD |
413 | TP_FIELDS( |
414 | ctf_integer(dev_t, dev, | |
415 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
416 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
417 | ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) | |
418 | ctf_integer(int, errors, rq->errors) | |
419 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 420 | lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) |
f127e61e MD |
421 | ctf_sequence_hex(unsigned char, cmd, |
422 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
265822ae MD |
423 | ), |
424 | ||
425 | TP_code_post() | |
1c53e689 MD |
426 | ) |
427 | ||
428 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ | |
429 | ||
f62b389e MD |
430 | /** |
431 | * block_rq_complete - block IO operation completed by device driver | |
432 | * @q: queue containing the block operation request | |
433 | * @rq: block operations request | |
434 | * | |
435 | * The block_rq_complete tracepoint event indicates that some portion | |
436 | * of operation request has been completed by the device driver. If | |
437 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
438 | * do for the request. If @rq->bio is non-NULL then there is | |
439 | * additional work required to complete the request. | |
440 | */ | |
3bc29f0a | 441 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete, |
f62b389e MD |
442 | |
443 | TP_PROTO(struct request_queue *q, struct request *rq), | |
444 | ||
445 | TP_ARGS(q, rq) | |
446 | ) | |
447 | ||
1c53e689 MD |
448 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ |
449 | ||
d2457078 MJ |
450 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) |
451 | LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, | |
452 | ||
453 | TP_PROTO(struct request_queue *q, struct request *rq), | |
454 | ||
455 | TP_ARGS(q, rq), | |
456 | ||
457 | TP_FIELDS( | |
458 | ctf_integer(dev_t, dev, | |
459 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
460 | ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) | |
461 | ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) | |
462 | ctf_integer(unsigned int, bytes, blk_rq_bytes(rq)) | |
463 | ctf_integer(pid_t, tid, current->pid) | |
464 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
465 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
466 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
467 | ) | |
468 | ) | |
469 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) | |
8a9f549f FD |
470 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
471 | ||
472 | TP_PROTO(struct request_queue *q, struct request *rq), | |
473 | ||
474 | TP_ARGS(q, rq), | |
475 | ||
476 | TP_locvar( | |
477 | sector_t sector; | |
478 | unsigned int nr_sector; | |
479 | unsigned int bytes; | |
480 | unsigned char *cmd; | |
481 | size_t cmd_len; | |
482 | ), | |
483 | ||
484 | TP_code_pre( | |
485 | if (blk_rq_is_scsi(rq)) { | |
486 | struct scsi_request *scsi_rq = scsi_req(rq); | |
487 | tp_locvar->sector = 0; | |
488 | tp_locvar->nr_sector = 0; | |
489 | tp_locvar->bytes = scsi_rq->resid_len; | |
490 | tp_locvar->cmd = scsi_rq->cmd; | |
491 | tp_locvar->cmd_len = scsi_rq->cmd_len; | |
492 | } else { | |
493 | tp_locvar->sector = blk_rq_pos(rq); | |
494 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
495 | tp_locvar->bytes = 0; | |
496 | tp_locvar->cmd = NULL; | |
497 | tp_locvar->cmd_len = 0; | |
498 | } | |
499 | ), | |
500 | ||
501 | TP_FIELDS( | |
502 | ctf_integer(dev_t, dev, | |
503 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
504 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
505 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
506 | ctf_integer(unsigned int, bytes, tp_locvar->bytes) | |
507 | ctf_integer(pid_t, tid, current->pid) | |
508 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
509 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) | |
510 | ctf_sequence_hex(unsigned char, cmd, | |
511 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
512 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
513 | ), | |
514 | ||
515 | TP_code_post() | |
516 | ) | |
517 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ | |
f127e61e | 518 | LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, |
f62b389e MD |
519 | |
520 | TP_PROTO(struct request_queue *q, struct request *rq), | |
521 | ||
522 | TP_ARGS(q, rq), | |
523 | ||
f127e61e MD |
524 | TP_locvar( |
525 | sector_t sector; | |
526 | unsigned int nr_sector; | |
527 | unsigned int bytes; | |
528 | unsigned char *cmd; | |
529 | size_t cmd_len; | |
f62b389e MD |
530 | ), |
531 | ||
265822ae | 532 | TP_code_pre( |
f127e61e MD |
533 | if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { |
534 | tp_locvar->sector = 0; | |
535 | tp_locvar->nr_sector = 0; | |
536 | tp_locvar->bytes = blk_rq_bytes(rq); | |
537 | tp_locvar->cmd = rq->cmd; | |
538 | tp_locvar->cmd_len = rq->cmd_len; | |
539 | } else { | |
540 | tp_locvar->sector = blk_rq_pos(rq); | |
541 | tp_locvar->nr_sector = blk_rq_sectors(rq); | |
542 | tp_locvar->bytes = 0; | |
543 | tp_locvar->cmd = NULL; | |
544 | tp_locvar->cmd_len = 0; | |
545 | } | |
f62b389e MD |
546 | ), |
547 | ||
f127e61e MD |
548 | TP_FIELDS( |
549 | ctf_integer(dev_t, dev, | |
550 | rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
551 | ctf_integer(sector_t, sector, tp_locvar->sector) | |
552 | ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) | |
553 | ctf_integer(unsigned int, bytes, tp_locvar->bytes) | |
554 | ctf_integer(pid_t, tid, current->pid) | |
555 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 556 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e MD |
557 | ctf_sequence_hex(unsigned char, cmd, |
558 | tp_locvar->cmd, size_t, tp_locvar->cmd_len) | |
559 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
265822ae MD |
560 | ), |
561 | ||
562 | TP_code_post() | |
f62b389e | 563 | ) |
8a9f549f | 564 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ |
f62b389e MD |
565 | |
566 | /** | |
567 | * block_rq_insert - insert block operation request into queue | |
568 | * @q: target queue | |
569 | * @rq: block IO operation request | |
570 | * | |
571 | * Called immediately before block operation request @rq is inserted | |
572 | * into queue @q. The fields in the operation request @rq struct can | |
573 | * be examined to determine which device and sectors the pending | |
574 | * operation would access. | |
575 | */ | |
3bc29f0a | 576 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, |
f62b389e MD |
577 | |
578 | TP_PROTO(struct request_queue *q, struct request *rq), | |
579 | ||
580 | TP_ARGS(q, rq) | |
581 | ) | |
582 | ||
583 | /** | |
584 | * block_rq_issue - issue pending block IO request operation to device driver | |
585 | * @q: queue holding operation | |
586 | * @rq: block IO operation operation request | |
587 | * | |
588 | * Called when block operation request @rq from queue @q is sent to a | |
589 | * device driver for processing. | |
590 | */ | |
3bc29f0a | 591 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, |
f62b389e MD |
592 | |
593 | TP_PROTO(struct request_queue *q, struct request *rq), | |
594 | ||
595 | TP_ARGS(q, rq) | |
596 | ) | |
597 | ||
598 | /** | |
599 | * block_bio_bounce - used bounce buffer when processing block operation | |
600 | * @q: queue holding the block operation | |
601 | * @bio: block operation | |
602 | * | |
603 | * A bounce buffer was used to handle the block operation @bio in @q. | |
604 | * This occurs when hardware limitations prevent a direct transfer of | |
605 | * data between the @bio data memory area and the IO device. Use of a | |
606 | * bounce buffer requires extra copying of data and decreases | |
607 | * performance. | |
608 | */ | |
3bc29f0a | 609 | LTTNG_TRACEPOINT_EVENT(block_bio_bounce, |
f62b389e MD |
610 | |
611 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
612 | ||
613 | TP_ARGS(q, bio), | |
614 | ||
f127e61e | 615 | TP_FIELDS( |
7feabe53 MD |
616 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
617 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
618 | #else | |
959fe42a | 619 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
7feabe53 | 620 | #endif |
54c4c2e3 | 621 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
622 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
623 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
624 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
625 | lttng_bio_op(bio), lttng_bio_rw(bio), |
626 | bio->bi_iter.bi_size) | |
54c4c2e3 | 627 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
628 | ctf_integer(sector_t, sector, bio->bi_sector) |
629 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
630 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
631 | lttng_bio_op(bio), lttng_bio_rw(bio), |
632 | bio->bi_size) | |
54c4c2e3 | 633 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
634 | ctf_integer(pid_t, tid, current->pid) |
635 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
636 | ) | |
f62b389e MD |
637 | ) |
638 | ||
639 | /** | |
640 | * block_bio_complete - completed all work on the block operation | |
641 | * @q: queue holding the block operation | |
642 | * @bio: block operation completed | |
643 | * @error: io error value | |
644 | * | |
645 | * This tracepoint indicates there is no further work to do on this | |
646 | * block IO operation @bio. | |
647 | */ | |
3bc29f0a | 648 | LTTNG_TRACEPOINT_EVENT(block_bio_complete, |
f62b389e | 649 | |
1bc491fc | 650 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
f62b389e MD |
651 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), |
652 | ||
653 | TP_ARGS(q, bio, error), | |
7c68b363 AG |
654 | #else |
655 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
656 | ||
657 | TP_ARGS(q, bio), | |
658 | #endif | |
f62b389e | 659 | |
f127e61e | 660 | TP_FIELDS( |
7feabe53 MD |
661 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
662 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
663 | #else | |
959fe42a | 664 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
7feabe53 | 665 | #endif |
54c4c2e3 | 666 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
667 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
668 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
669 | ctf_integer(int, error, error) | |
670 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
671 | lttng_bio_op(bio), lttng_bio_rw(bio), |
672 | bio->bi_iter.bi_size) | |
54c4c2e3 | 673 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
674 | ctf_integer(sector_t, sector, bio->bi_sector) |
675 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
7c68b363 | 676 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
f127e61e | 677 | ctf_integer(int, error, error) |
7c68b363 | 678 | #else |
f127e61e | 679 | ctf_integer(int, error, 0) |
7c68b363 | 680 | #endif |
f127e61e | 681 | blk_rwbs_ctf_integer(unsigned int, rwbs, |
e6d2cc09 | 682 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 683 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e | 684 | ) |
f62b389e MD |
685 | ) |
686 | ||
217f66c6 | 687 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
3bc29f0a | 688 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, |
217f66c6 MD |
689 | |
690 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
691 | ||
692 | TP_ARGS(q, rq, bio), | |
693 | ||
f127e61e | 694 | TP_FIELDS( |
7feabe53 MD |
695 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
696 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
697 | #else | |
959fe42a | 698 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
7feabe53 | 699 | #endif |
54c4c2e3 | 700 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
701 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
702 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
703 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
704 | lttng_bio_op(bio), lttng_bio_rw(bio), |
705 | bio->bi_iter.bi_size) | |
54c4c2e3 | 706 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
707 | ctf_integer(sector_t, sector, bio->bi_sector) |
708 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
709 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 710 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 711 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
712 | ctf_integer(pid_t, tid, current->pid) |
713 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
714 | ) | |
217f66c6 MD |
715 | ) |
716 | ||
717 | /** | |
718 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
719 | * @q: queue holding operation | |
720 | * @bio: new block operation to merge | |
721 | * | |
722 | * Merging block request @bio to the end of an existing block request | |
723 | * in queue @q. | |
724 | */ | |
3bc29f0a | 725 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge, |
217f66c6 MD |
726 | |
727 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
728 | ||
729 | TP_ARGS(q, rq, bio) | |
730 | ) | |
731 | ||
732 | /** | |
733 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
734 | * @q: queue holding operation | |
735 | * @bio: new block operation to merge | |
736 | * | |
737 | * Merging block IO operation @bio to the beginning of an existing block | |
738 | * operation in queue @q. | |
739 | */ | |
3bc29f0a | 740 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge, |
217f66c6 MD |
741 | |
742 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
743 | ||
744 | TP_ARGS(q, rq, bio) | |
745 | ) | |
746 | ||
747 | /** | |
748 | * block_bio_queue - putting new block IO operation in queue | |
749 | * @q: queue holding operation | |
750 | * @bio: new block operation | |
751 | * | |
752 | * About to place the block IO operation @bio into queue @q. | |
753 | */ | |
3bc29f0a | 754 | LTTNG_TRACEPOINT_EVENT(block_bio_queue, |
217f66c6 MD |
755 | |
756 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
757 | ||
758 | TP_ARGS(q, bio), | |
759 | ||
f127e61e | 760 | TP_FIELDS( |
7feabe53 MD |
761 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
762 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
763 | #else | |
959fe42a | 764 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
7feabe53 | 765 | #endif |
54c4c2e3 | 766 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
767 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
768 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
769 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
770 | lttng_bio_op(bio), lttng_bio_rw(bio), |
771 | bio->bi_iter.bi_size) | |
54c4c2e3 | 772 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
773 | ctf_integer(sector_t, sector, bio->bi_sector) |
774 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
775 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 776 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 777 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
778 | ctf_integer(pid_t, tid, current->pid) |
779 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
780 | ) | |
217f66c6 | 781 | ) |
f127e61e | 782 | #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
3bc29f0a | 783 | LTTNG_TRACEPOINT_EVENT_CLASS(block_bio, |
f62b389e MD |
784 | |
785 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
786 | ||
787 | TP_ARGS(q, bio), | |
788 | ||
f127e61e | 789 | TP_FIELDS( |
959fe42a | 790 | ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
f127e61e MD |
791 | ctf_integer(sector_t, sector, bio->bi_sector) |
792 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
793 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 794 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
f127e61e MD |
795 | ctf_integer(pid_t, tid, current->pid) |
796 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
797 | ) | |
f62b389e MD |
798 | ) |
799 | ||
800 | /** | |
801 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
802 | * @q: queue holding operation | |
803 | * @bio: new block operation to merge | |
804 | * | |
805 | * Merging block request @bio to the end of an existing block request | |
806 | * in queue @q. | |
807 | */ | |
3bc29f0a | 808 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge, |
f62b389e MD |
809 | |
810 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
811 | ||
812 | TP_ARGS(q, bio) | |
813 | ) | |
814 | ||
815 | /** | |
816 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
817 | * @q: queue holding operation | |
818 | * @bio: new block operation to merge | |
819 | * | |
820 | * Merging block IO operation @bio to the beginning of an existing block | |
821 | * operation in queue @q. | |
822 | */ | |
3bc29f0a | 823 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge, |
f62b389e MD |
824 | |
825 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
826 | ||
827 | TP_ARGS(q, bio) | |
828 | ) | |
829 | ||
830 | /** | |
831 | * block_bio_queue - putting new block IO operation in queue | |
832 | * @q: queue holding operation | |
833 | * @bio: new block operation | |
834 | * | |
835 | * About to place the block IO operation @bio into queue @q. | |
836 | */ | |
3bc29f0a | 837 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue, |
f62b389e MD |
838 | |
839 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
840 | ||
841 | TP_ARGS(q, bio) | |
842 | ) | |
f127e61e | 843 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ |
f62b389e | 844 | |
3bc29f0a | 845 | LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq, |
f62b389e MD |
846 | |
847 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
848 | ||
849 | TP_ARGS(q, bio, rw), | |
850 | ||
f127e61e | 851 | TP_FIELDS( |
7feabe53 | 852 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
6417cda6 | 853 | ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0) |
7feabe53 | 854 | #else |
959fe42a | 855 | ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0) |
7feabe53 | 856 | #endif |
54c4c2e3 | 857 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
858 | ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0) |
859 | ctf_integer(unsigned int, nr_sector, | |
860 | bio ? bio_sectors(bio) : 0) | |
861 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
862 | bio ? lttng_bio_op(bio) : 0, |
863 | bio ? lttng_bio_rw(bio) : 0, | |
f127e61e | 864 | bio ? bio->bi_iter.bi_size : 0) |
54c4c2e3 | 865 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
866 | ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0) |
867 | ctf_integer(unsigned int, nr_sector, | |
868 | bio ? bio->bi_size >> 9 : 0) | |
869 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
870 | bio ? lttng_bio_op(bio) : 0, |
871 | bio ? lttng_bio_rw(bio) : 0, | |
f127e61e | 872 | bio ? bio->bi_size : 0) |
54c4c2e3 | 873 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
874 | ctf_integer(pid_t, tid, current->pid) |
875 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
876 | ) | |
f62b389e MD |
877 | ) |
878 | ||
879 | /** | |
880 | * block_getrq - get a free request entry in queue for block IO operations | |
881 | * @q: queue for operations | |
6417cda6 | 882 | * @bio: pending block IO operation (can be %NULL) |
f62b389e MD |
883 | * @rw: low bit indicates a read (%0) or a write (%1) |
884 | * | |
885 | * A request struct for queue @q has been allocated to handle the | |
886 | * block IO operation @bio. | |
887 | */ | |
3bc29f0a | 888 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq, |
f62b389e MD |
889 | |
890 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
891 | ||
892 | TP_ARGS(q, bio, rw) | |
893 | ) | |
894 | ||
895 | /** | |
896 | * block_sleeprq - waiting to get a free request entry in queue for block IO operation | |
897 | * @q: queue for operation | |
6417cda6 | 898 | * @bio: pending block IO operation (can be %NULL) |
f62b389e MD |
899 | * @rw: low bit indicates a read (%0) or a write (%1) |
900 | * | |
901 | * In the case where a request struct cannot be provided for queue @q | |
902 | * the process needs to wait for an request struct to become | |
903 | * available. This tracepoint event is generated each time the | |
904 | * process goes to sleep waiting for request struct become available. | |
905 | */ | |
3bc29f0a | 906 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq, |
f62b389e MD |
907 | |
908 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
909 | ||
910 | TP_ARGS(q, bio, rw) | |
911 | ) | |
912 | ||
913 | /** | |
914 | * block_plug - keep operations requests in request queue | |
915 | * @q: request queue to plug | |
916 | * | |
917 | * Plug the request queue @q. Do not allow block operation requests | |
918 | * to be sent to the device driver. Instead, accumulate requests in | |
919 | * the queue to improve throughput performance of the block device. | |
920 | */ | |
3bc29f0a | 921 | LTTNG_TRACEPOINT_EVENT(block_plug, |
f62b389e MD |
922 | |
923 | TP_PROTO(struct request_queue *q), | |
924 | ||
925 | TP_ARGS(q), | |
926 | ||
f127e61e MD |
927 | TP_FIELDS( |
928 | ctf_integer(pid_t, tid, current->pid) | |
929 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
930 | ) | |
f62b389e MD |
931 | ) |
932 | ||
3bc29f0a | 933 | LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug, |
f62b389e | 934 | |
7c68b363 | 935 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e MD |
936 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
937 | ||
938 | TP_ARGS(q, depth, explicit), | |
7c68b363 AG |
939 | #else |
940 | TP_PROTO(struct request_queue *q), | |
941 | ||
942 | TP_ARGS(q), | |
943 | #endif | |
f62b389e | 944 | |
f127e61e | 945 | TP_FIELDS( |
7c68b363 | 946 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f127e61e | 947 | ctf_integer(int, nr_rq, depth) |
7c68b363 | 948 | #else |
f127e61e | 949 | ctf_integer(int, nr_rq, q->rq.count[READ] + q->rq.count[WRITE]) |
7c68b363 | 950 | #endif |
f127e61e MD |
951 | ctf_integer(pid_t, tid, current->pid) |
952 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
953 | ) | |
f62b389e MD |
954 | ) |
955 | ||
7c68b363 AG |
956 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)) |
957 | /** | |
958 | * block_unplug_timer - timed release of operations requests in queue to device driver | |
959 | * @q: request queue to unplug | |
960 | * | |
961 | * Unplug the request queue @q because a timer expired and allow block | |
962 | * operation requests to be sent to the device driver. | |
963 | */ | |
3bc29f0a | 964 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_timer, |
7c68b363 AG |
965 | |
966 | TP_PROTO(struct request_queue *q), | |
967 | ||
968 | TP_ARGS(q) | |
969 | ) | |
970 | #endif | |
971 | ||
f62b389e MD |
972 | /** |
973 | * block_unplug - release of operations requests in request queue | |
974 | * @q: request queue to unplug | |
975 | * @depth: number of requests just added to the queue | |
976 | * @explicit: whether this was an explicit unplug, or one from schedule() | |
977 | * | |
978 | * Unplug request queue @q because device driver is scheduled to work | |
979 | * on elements in the request queue. | |
980 | */ | |
7c68b363 | 981 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
3bc29f0a | 982 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug, |
7c68b363 | 983 | #else |
3bc29f0a | 984 | LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_io, |
7c68b363 | 985 | #endif |
f62b389e | 986 | |
7c68b363 | 987 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e MD |
988 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
989 | ||
990 | TP_ARGS(q, depth, explicit) | |
7c68b363 AG |
991 | #else |
992 | TP_PROTO(struct request_queue *q), | |
993 | ||
994 | TP_ARGS(q) | |
995 | #endif | |
f62b389e MD |
996 | ) |
997 | ||
998 | /** | |
999 | * block_split - split a single bio struct into two bio structs | |
1000 | * @q: queue containing the bio | |
1001 | * @bio: block operation being split | |
1002 | * @new_sector: The starting sector for the new bio | |
1003 | * | |
1004 | * The bio request @bio in request queue @q needs to be split into two | |
1005 | * bio requests. The newly created @bio request starts at | |
1006 | * @new_sector. This split may be required due to hardware limitation | |
1007 | * such as operation crossing device boundaries in a RAID system. | |
1008 | */ | |
3bc29f0a | 1009 | LTTNG_TRACEPOINT_EVENT(block_split, |
f62b389e MD |
1010 | |
1011 | TP_PROTO(struct request_queue *q, struct bio *bio, | |
1012 | unsigned int new_sector), | |
1013 | ||
1014 | TP_ARGS(q, bio, new_sector), | |
1015 | ||
f127e61e | 1016 | TP_FIELDS( |
7feabe53 MD |
1017 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
1018 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
1019 | #else | |
959fe42a | 1020 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
7feabe53 | 1021 | #endif |
54c4c2e3 | 1022 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
1023 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
1024 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
1025 | lttng_bio_op(bio), lttng_bio_rw(bio), |
1026 | bio->bi_iter.bi_size) | |
54c4c2e3 | 1027 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1028 | ctf_integer(sector_t, sector, bio->bi_sector) |
1029 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1030 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 1031 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1032 | ctf_integer(sector_t, new_sector, new_sector) |
1033 | ctf_integer(pid_t, tid, current->pid) | |
1034 | ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) | |
1035 | ) | |
f62b389e MD |
1036 | ) |
1037 | ||
1038 | /** | |
1039 | * block_bio_remap - map request for a logical device to the raw device | |
1040 | * @q: queue holding the operation | |
1041 | * @bio: revised operation | |
1042 | * @dev: device for the operation | |
1043 | * @from: original sector for the operation | |
1044 | * | |
1045 | * An operation for a logical device has been mapped to the | |
1046 | * raw block device. | |
1047 | */ | |
7c68b363 | 1048 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
3bc29f0a | 1049 | LTTNG_TRACEPOINT_EVENT(block_bio_remap, |
7c68b363 | 1050 | #else |
3bc29f0a | 1051 | LTTNG_TRACEPOINT_EVENT(block_remap, |
7c68b363 | 1052 | #endif |
f62b389e MD |
1053 | |
1054 | TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, | |
1055 | sector_t from), | |
1056 | ||
1057 | TP_ARGS(q, bio, dev, from), | |
1058 | ||
f127e61e | 1059 | TP_FIELDS( |
7feabe53 MD |
1060 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) |
1061 | ctf_integer(dev_t, dev, bio_dev(bio)) | |
1062 | #else | |
959fe42a | 1063 | ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) |
7feabe53 | 1064 | #endif |
54c4c2e3 | 1065 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
f127e61e MD |
1066 | ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) |
1067 | ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) | |
1068 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 MD |
1069 | lttng_bio_op(bio), lttng_bio_rw(bio), |
1070 | bio->bi_iter.bi_size) | |
54c4c2e3 | 1071 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1072 | ctf_integer(sector_t, sector, bio->bi_sector) |
1073 | ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) | |
1074 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1075 | lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) |
54c4c2e3 | 1076 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f127e61e MD |
1077 | ctf_integer(dev_t, old_dev, dev) |
1078 | ctf_integer(sector_t, old_sector, from) | |
1079 | ) | |
f62b389e MD |
1080 | ) |
1081 | ||
7c68b363 | 1082 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
f62b389e MD |
1083 | /** |
1084 | * block_rq_remap - map request for a block operation request | |
1085 | * @q: queue holding the operation | |
1086 | * @rq: block IO operation request | |
1087 | * @dev: device for the operation | |
1088 | * @from: original sector for the operation | |
1089 | * | |
1090 | * The block operation request @rq in @q has been remapped. The block | |
1091 | * operation request @rq holds the current information and @from hold | |
1092 | * the original sector. | |
1093 | */ | |
3bc29f0a | 1094 | LTTNG_TRACEPOINT_EVENT(block_rq_remap, |
f62b389e MD |
1095 | |
1096 | TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev, | |
1097 | sector_t from), | |
1098 | ||
1099 | TP_ARGS(q, rq, dev, from), | |
1100 | ||
f127e61e MD |
1101 | TP_FIELDS( |
1102 | ctf_integer(dev_t, dev, disk_devt(rq->rq_disk)) | |
1103 | ctf_integer(sector_t, sector, blk_rq_pos(rq)) | |
1104 | ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq)) | |
1105 | ctf_integer(dev_t, old_dev, dev) | |
1106 | ctf_integer(sector_t, old_sector, from) | |
1107 | blk_rwbs_ctf_integer(unsigned int, rwbs, | |
e6d2cc09 | 1108 | lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) |
f127e61e | 1109 | ) |
f62b389e | 1110 | ) |
7c68b363 | 1111 | #endif |
f62b389e MD |
1112 | |
1113 | #undef __print_rwbs_flags | |
1114 | #undef blk_fill_rwbs | |
1115 | ||
3bc29f0a | 1116 | #endif /* LTTNG_TRACE_BLOCK_H */ |
f62b389e MD |
1117 | |
1118 | /* This part must be outside protection */ | |
6ec43db8 | 1119 | #include <probes/define_trace.h> |