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f62b389e MD |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM block | |
3 | ||
4 | #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) | |
5 | #define _TRACE_BLOCK_H | |
6 | ||
7 | #include <linux/blktrace_api.h> | |
8 | #include <linux/blkdev.h> | |
9 | #include <linux/tracepoint.h> | |
10 | #include <linux/trace_seq.h> | |
7c68b363 AG |
11 | #include <linux/version.h> |
12 | ||
13 | #define RWBS_LEN 8 | |
f62b389e MD |
14 | |
15 | #ifndef _TRACE_BLOCK_DEF_ | |
16 | #define _TRACE_BLOCK_DEF_ | |
17 | ||
18 | #define __blk_dump_cmd(cmd, len) "<unknown>" | |
19 | ||
20 | enum { | |
21 | RWBS_FLAG_WRITE = (1 << 0), | |
22 | RWBS_FLAG_DISCARD = (1 << 1), | |
23 | RWBS_FLAG_READ = (1 << 2), | |
24 | RWBS_FLAG_RAHEAD = (1 << 3), | |
7c68b363 AG |
25 | RWBS_FLAG_BARRIER = (1 << 4), |
26 | RWBS_FLAG_SYNC = (1 << 5), | |
27 | RWBS_FLAG_META = (1 << 6), | |
28 | RWBS_FLAG_SECURE = (1 << 7), | |
29 | RWBS_FLAG_FLUSH = (1 << 8), | |
30 | RWBS_FLAG_FUA = (1 << 9), | |
f62b389e MD |
31 | }; |
32 | ||
33 | #endif /* _TRACE_BLOCK_DEF_ */ | |
34 | ||
35 | #define __print_rwbs_flags(rwbs) \ | |
36 | __print_flags(rwbs, "", \ | |
7c68b363 | 37 | { RWBS_FLAG_FLUSH, "F" }, \ |
f62b389e MD |
38 | { RWBS_FLAG_WRITE, "W" }, \ |
39 | { RWBS_FLAG_DISCARD, "D" }, \ | |
40 | { RWBS_FLAG_READ, "R" }, \ | |
7c68b363 | 41 | { RWBS_FLAG_FUA, "F" }, \ |
f62b389e | 42 | { RWBS_FLAG_RAHEAD, "A" }, \ |
7c68b363 | 43 | { RWBS_FLAG_BARRIER, "B" }, \ |
f62b389e MD |
44 | { RWBS_FLAG_SYNC, "S" }, \ |
45 | { RWBS_FLAG_META, "M" }, \ | |
46 | { RWBS_FLAG_SECURE, "E" }) | |
47 | ||
7c68b363 AG |
48 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) |
49 | ||
50 | #define blk_fill_rwbs(rwbs, rw, bytes) \ | |
51 | tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ | |
52 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ | |
53 | ( (bytes) ? RWBS_FLAG_READ : \ | |
54 | ( 0 )))) \ | |
55 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
56 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
57 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
58 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \ | |
59 | | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \ | |
60 | | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) | |
61 | ||
62 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) | |
63 | ||
f62b389e MD |
64 | #define blk_fill_rwbs(rwbs, rw, bytes) \ |
65 | tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ | |
66 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ | |
67 | ( (bytes) ? RWBS_FLAG_READ : \ | |
68 | ( 0 )))) \ | |
69 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
70 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
71 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
72 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) | |
73 | ||
7c68b363 AG |
74 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)) |
75 | ||
76 | #define blk_fill_rwbs(rwbs, rw, bytes) \ | |
77 | tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ | |
78 | ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ | |
79 | ( (bytes) ? RWBS_FLAG_READ : \ | |
80 | ( 0 )))) \ | |
81 | | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \ | |
82 | | ((rw) & REQ_HARDBARRIER ? RWBS_FLAG_BARRIER : 0) \ | |
83 | | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \ | |
84 | | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ | |
85 | | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) | |
86 | ||
87 | #else | |
88 | ||
89 | #define blk_fill_rwbs(rwbs, rw, bytes) \ | |
90 | tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ | |
91 | ( (rw) & (1 << BIO_RW_DISCARD) ? RWBS_FLAG_DISCARD : \ | |
92 | ( (bytes) ? RWBS_FLAG_READ : \ | |
93 | ( 0 )))) \ | |
94 | | ((rw) & (1 << BIO_RW_AHEAD) ? RWBS_FLAG_RAHEAD : 0) \ | |
95 | | ((rw) & (1 << BIO_RW_SYNCIO) ? RWBS_FLAG_SYNC : 0) \ | |
96 | | ((rw) & (1 << BIO_RW_META) ? RWBS_FLAG_META : 0) \ | |
97 | | ((rw) & (1 << BIO_RW_BARRIER) ? RWBS_FLAG_BARRIER : 0)) | |
98 | ||
99 | #endif | |
100 | ||
217f66c6 MD |
101 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
102 | DECLARE_EVENT_CLASS(block_buffer, | |
103 | ||
104 | TP_PROTO(struct buffer_head *bh), | |
105 | ||
106 | TP_ARGS(bh), | |
107 | ||
108 | TP_STRUCT__entry ( | |
109 | __field( dev_t, dev ) | |
110 | __field( sector_t, sector ) | |
111 | __field( size_t, size ) | |
112 | ), | |
113 | ||
114 | TP_fast_assign( | |
115 | tp_assign(dev, bh->b_bdev->bd_dev) | |
116 | tp_assign(sector, bh->b_blocknr) | |
117 | tp_assign(size, bh->b_size) | |
118 | ), | |
119 | ||
120 | TP_printk("%d,%d sector=%llu size=%zu", | |
121 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
122 | (unsigned long long)__entry->sector, __entry->size | |
123 | ) | |
124 | ) | |
125 | ||
126 | /** | |
127 | * block_touch_buffer - mark a buffer accessed | |
128 | * @bh: buffer_head being touched | |
129 | * | |
130 | * Called from touch_buffer(). | |
131 | */ | |
132 | DEFINE_EVENT(block_buffer, block_touch_buffer, | |
133 | ||
134 | TP_PROTO(struct buffer_head *bh), | |
135 | ||
136 | TP_ARGS(bh) | |
137 | ) | |
138 | ||
139 | /** | |
140 | * block_dirty_buffer - mark a buffer dirty | |
141 | * @bh: buffer_head being dirtied | |
142 | * | |
143 | * Called from mark_buffer_dirty(). | |
144 | */ | |
145 | DEFINE_EVENT(block_buffer, block_dirty_buffer, | |
146 | ||
147 | TP_PROTO(struct buffer_head *bh), | |
148 | ||
149 | TP_ARGS(bh) | |
150 | ) | |
151 | #endif | |
152 | ||
f62b389e MD |
153 | DECLARE_EVENT_CLASS(block_rq_with_error, |
154 | ||
155 | TP_PROTO(struct request_queue *q, struct request *rq), | |
156 | ||
157 | TP_ARGS(q, rq), | |
158 | ||
159 | TP_STRUCT__entry( | |
160 | __field( dev_t, dev ) | |
161 | __field( sector_t, sector ) | |
162 | __field( unsigned int, nr_sector ) | |
163 | __field( int, errors ) | |
164 | __field( unsigned int, rwbs ) | |
16830439 MD |
165 | __dynamic_array_hex( unsigned char, cmd, |
166 | (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? | |
167 | rq->cmd_len : 0) | |
f62b389e MD |
168 | ), |
169 | ||
170 | TP_fast_assign( | |
171 | tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
172 | tp_assign(sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? | |
173 | 0 : blk_rq_pos(rq)) | |
174 | tp_assign(nr_sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? | |
175 | 0 : blk_rq_sectors(rq)) | |
176 | tp_assign(errors, rq->errors) | |
177 | blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq)) | |
e17d7b27 | 178 | tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? |
217f66c6 | 179 | rq->cmd : NULL) |
f62b389e MD |
180 | ), |
181 | ||
182 | TP_printk("%d,%d %s (%s) %llu + %u [%d]", | |
183 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
184 | __print_rwbs_flags(__entry->rwbs), | |
185 | __blk_dump_cmd(__get_dynamic_array(cmd), | |
186 | __get_dynamic_array_len(cmd)), | |
187 | (unsigned long long)__entry->sector, | |
188 | __entry->nr_sector, __entry->errors) | |
189 | ) | |
190 | ||
191 | /** | |
192 | * block_rq_abort - abort block operation request | |
193 | * @q: queue containing the block operation request | |
194 | * @rq: block IO operation request | |
195 | * | |
196 | * Called immediately after pending block IO operation request @rq in | |
197 | * queue @q is aborted. The fields in the operation request @rq | |
198 | * can be examined to determine which device and sectors the pending | |
199 | * operation would access. | |
200 | */ | |
201 | DEFINE_EVENT(block_rq_with_error, block_rq_abort, | |
202 | ||
203 | TP_PROTO(struct request_queue *q, struct request *rq), | |
204 | ||
205 | TP_ARGS(q, rq) | |
206 | ) | |
207 | ||
208 | /** | |
209 | * block_rq_requeue - place block IO request back on a queue | |
210 | * @q: queue holding operation | |
211 | * @rq: block IO operation request | |
212 | * | |
213 | * The block operation request @rq is being placed back into queue | |
214 | * @q. For some reason the request was not completed and needs to be | |
215 | * put back in the queue. | |
216 | */ | |
217 | DEFINE_EVENT(block_rq_with_error, block_rq_requeue, | |
218 | ||
219 | TP_PROTO(struct request_queue *q, struct request *rq), | |
220 | ||
221 | TP_ARGS(q, rq) | |
222 | ) | |
223 | ||
6edef96e AB |
224 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5) \ |
225 | || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \ | |
226 | || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \ | |
227 | || LTTNG_KERNEL_RANGE(3,4,91, 3,5,1) \ | |
4d05fa52 | 228 | || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0)) |
293bea4d MD |
229 | |
230 | /** | |
231 | * block_rq_complete - block IO operation completed by device driver | |
232 | * @q: queue containing the block operation request | |
233 | * @rq: block operations request | |
234 | * @nr_bytes: number of completed bytes | |
235 | * | |
236 | * The block_rq_complete tracepoint event indicates that some portion | |
237 | * of operation request has been completed by the device driver. If | |
238 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
239 | * do for the request. If @rq->bio is non-NULL then there is | |
240 | * additional work required to complete the request. | |
241 | */ | |
242 | TRACE_EVENT(block_rq_complete, | |
243 | ||
244 | TP_PROTO(struct request_queue *q, struct request *rq, | |
245 | unsigned int nr_bytes), | |
246 | ||
247 | TP_ARGS(q, rq, nr_bytes), | |
248 | ||
249 | TP_STRUCT__entry( | |
250 | __field( dev_t, dev ) | |
251 | __field( sector_t, sector ) | |
252 | __field( unsigned int, nr_sector ) | |
253 | __field( int, errors ) | |
254 | __field( unsigned int, rwbs ) | |
255 | __dynamic_array_hex( unsigned char, cmd, | |
256 | (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? | |
257 | rq->cmd_len : 0) | |
258 | ), | |
259 | ||
260 | TP_fast_assign( | |
261 | tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
262 | tp_assign(sector, blk_rq_pos(rq)) | |
263 | tp_assign(nr_sector, nr_bytes >> 9) | |
264 | tp_assign(errors, rq->errors) | |
265 | blk_fill_rwbs(rwbs, rq->cmd_flags, nr_bytes) | |
266 | tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? | |
267 | rq->cmd : NULL) | |
268 | ), | |
269 | ||
270 | TP_printk("%d,%d %s (%s) %llu + %u [%d]", | |
271 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
272 | __entry->rwbs, __get_str(cmd), | |
273 | (unsigned long long)__entry->sector, | |
274 | __entry->nr_sector, __entry->errors) | |
275 | ) | |
276 | ||
277 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ | |
278 | ||
f62b389e MD |
279 | /** |
280 | * block_rq_complete - block IO operation completed by device driver | |
281 | * @q: queue containing the block operation request | |
282 | * @rq: block operations request | |
283 | * | |
284 | * The block_rq_complete tracepoint event indicates that some portion | |
285 | * of operation request has been completed by the device driver. If | |
286 | * the @rq->bio is %NULL, then there is absolutely no additional work to | |
287 | * do for the request. If @rq->bio is non-NULL then there is | |
288 | * additional work required to complete the request. | |
289 | */ | |
290 | DEFINE_EVENT(block_rq_with_error, block_rq_complete, | |
291 | ||
292 | TP_PROTO(struct request_queue *q, struct request *rq), | |
293 | ||
294 | TP_ARGS(q, rq) | |
295 | ) | |
296 | ||
293bea4d MD |
297 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ |
298 | ||
f62b389e MD |
299 | DECLARE_EVENT_CLASS(block_rq, |
300 | ||
301 | TP_PROTO(struct request_queue *q, struct request *rq), | |
302 | ||
303 | TP_ARGS(q, rq), | |
304 | ||
305 | TP_STRUCT__entry( | |
306 | __field( dev_t, dev ) | |
307 | __field( sector_t, sector ) | |
308 | __field( unsigned int, nr_sector ) | |
309 | __field( unsigned int, bytes ) | |
310 | __field( unsigned int, rwbs ) | |
64c796d8 | 311 | __array_text( char, comm, TASK_COMM_LEN ) |
16830439 MD |
312 | __dynamic_array_hex( unsigned char, cmd, |
313 | (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? | |
314 | rq->cmd_len : 0) | |
f62b389e MD |
315 | ), |
316 | ||
317 | TP_fast_assign( | |
318 | tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0) | |
319 | tp_assign(sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? | |
320 | 0 : blk_rq_pos(rq)) | |
321 | tp_assign(nr_sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? | |
322 | 0 : blk_rq_sectors(rq)) | |
323 | tp_assign(bytes, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? | |
324 | blk_rq_bytes(rq) : 0) | |
325 | blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq)) | |
e17d7b27 | 326 | tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? |
217f66c6 | 327 | rq->cmd : NULL) |
f62b389e MD |
328 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) |
329 | ), | |
330 | ||
331 | TP_printk("%d,%d %s %u (%s) %llu + %u [%s]", | |
332 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
333 | __print_rwbs_flags(__entry->rwbs), | |
334 | __entry->bytes, | |
335 | __blk_dump_cmd(__get_dynamic_array(cmd), | |
336 | __get_dynamic_array_len(cmd)), | |
337 | (unsigned long long)__entry->sector, | |
338 | __entry->nr_sector, __entry->comm) | |
339 | ) | |
340 | ||
341 | /** | |
342 | * block_rq_insert - insert block operation request into queue | |
343 | * @q: target queue | |
344 | * @rq: block IO operation request | |
345 | * | |
346 | * Called immediately before block operation request @rq is inserted | |
347 | * into queue @q. The fields in the operation request @rq struct can | |
348 | * be examined to determine which device and sectors the pending | |
349 | * operation would access. | |
350 | */ | |
351 | DEFINE_EVENT(block_rq, block_rq_insert, | |
352 | ||
353 | TP_PROTO(struct request_queue *q, struct request *rq), | |
354 | ||
355 | TP_ARGS(q, rq) | |
356 | ) | |
357 | ||
358 | /** | |
359 | * block_rq_issue - issue pending block IO request operation to device driver | |
360 | * @q: queue holding operation | |
361 | * @rq: block IO operation operation request | |
362 | * | |
363 | * Called when block operation request @rq from queue @q is sent to a | |
364 | * device driver for processing. | |
365 | */ | |
366 | DEFINE_EVENT(block_rq, block_rq_issue, | |
367 | ||
368 | TP_PROTO(struct request_queue *q, struct request *rq), | |
369 | ||
370 | TP_ARGS(q, rq) | |
371 | ) | |
372 | ||
373 | /** | |
374 | * block_bio_bounce - used bounce buffer when processing block operation | |
375 | * @q: queue holding the block operation | |
376 | * @bio: block operation | |
377 | * | |
378 | * A bounce buffer was used to handle the block operation @bio in @q. | |
379 | * This occurs when hardware limitations prevent a direct transfer of | |
380 | * data between the @bio data memory area and the IO device. Use of a | |
381 | * bounce buffer requires extra copying of data and decreases | |
382 | * performance. | |
383 | */ | |
384 | TRACE_EVENT(block_bio_bounce, | |
385 | ||
386 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
387 | ||
388 | TP_ARGS(q, bio), | |
389 | ||
390 | TP_STRUCT__entry( | |
391 | __field( dev_t, dev ) | |
392 | __field( sector_t, sector ) | |
393 | __field( unsigned int, nr_sector ) | |
394 | __field( unsigned int, rwbs ) | |
64c796d8 | 395 | __array_text( char, comm, TASK_COMM_LEN ) |
f62b389e MD |
396 | ), |
397 | ||
398 | TP_fast_assign( | |
01842e06 MD |
399 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
400 | tp_assign(dev, bio->bi_bdev ? | |
401 | bio->bi_bdev->bd_dev : 0) | |
402 | tp_assign(sector, bio->bi_iter.bi_sector) | |
403 | tp_assign(nr_sector, bio_sectors(bio)) | |
404 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size) | |
405 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
406 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ | |
f62b389e MD |
407 | tp_assign(dev, bio->bi_bdev ? |
408 | bio->bi_bdev->bd_dev : 0) | |
409 | tp_assign(sector, bio->bi_sector) | |
410 | tp_assign(nr_sector, bio->bi_size >> 9) | |
411 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) | |
412 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
01842e06 | 413 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f62b389e MD |
414 | ), |
415 | ||
416 | TP_printk("%d,%d %s %llu + %u [%s]", | |
417 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
418 | __print_rwbs_flags(__entry->rwbs), | |
419 | (unsigned long long)__entry->sector, | |
420 | __entry->nr_sector, __entry->comm) | |
421 | ) | |
422 | ||
423 | /** | |
424 | * block_bio_complete - completed all work on the block operation | |
425 | * @q: queue holding the block operation | |
426 | * @bio: block operation completed | |
427 | * @error: io error value | |
428 | * | |
429 | * This tracepoint indicates there is no further work to do on this | |
430 | * block IO operation @bio. | |
431 | */ | |
432 | TRACE_EVENT(block_bio_complete, | |
433 | ||
1bc491fc | 434 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
f62b389e MD |
435 | TP_PROTO(struct request_queue *q, struct bio *bio, int error), |
436 | ||
437 | TP_ARGS(q, bio, error), | |
7c68b363 AG |
438 | #else |
439 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
440 | ||
441 | TP_ARGS(q, bio), | |
442 | #endif | |
f62b389e MD |
443 | |
444 | TP_STRUCT__entry( | |
445 | __field( dev_t, dev ) | |
446 | __field( sector_t, sector ) | |
447 | __field( unsigned, nr_sector ) | |
448 | __field( int, error ) | |
449 | __field( unsigned int, rwbs ) | |
450 | ), | |
451 | ||
452 | TP_fast_assign( | |
01842e06 MD |
453 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
454 | tp_assign(dev, bio->bi_bdev->bd_dev) | |
455 | tp_assign(sector, bio->bi_iter.bi_sector) | |
456 | tp_assign(nr_sector, bio_sectors(bio)) | |
457 | tp_assign(error, error) | |
458 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size) | |
459 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ | |
f62b389e MD |
460 | tp_assign(dev, bio->bi_bdev->bd_dev) |
461 | tp_assign(sector, bio->bi_sector) | |
462 | tp_assign(nr_sector, bio->bi_size >> 9) | |
7c68b363 | 463 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
f62b389e | 464 | tp_assign(error, error) |
7c68b363 AG |
465 | #else |
466 | tp_assign(error, 0) | |
467 | #endif | |
f62b389e | 468 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) |
01842e06 | 469 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f62b389e MD |
470 | ), |
471 | ||
472 | TP_printk("%d,%d %s %llu + %u [%d]", | |
473 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
474 | __print_rwbs_flags(__entry->rwbs), | |
475 | (unsigned long long)__entry->sector, | |
476 | __entry->nr_sector, __entry->error) | |
477 | ) | |
478 | ||
217f66c6 MD |
479 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) |
480 | DECLARE_EVENT_CLASS(block_bio_merge, | |
481 | ||
482 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
483 | ||
484 | TP_ARGS(q, rq, bio), | |
485 | ||
486 | TP_STRUCT__entry( | |
487 | __field( dev_t, dev ) | |
488 | __field( sector_t, sector ) | |
489 | __field( unsigned int, nr_sector ) | |
490 | __field( unsigned int, rwbs ) | |
491 | __array_text( char, comm, TASK_COMM_LEN ) | |
492 | ), | |
493 | ||
494 | TP_fast_assign( | |
01842e06 MD |
495 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
496 | tp_assign(dev, bio->bi_bdev->bd_dev) | |
497 | tp_assign(sector, bio->bi_iter.bi_sector) | |
498 | tp_assign(nr_sector, bio_sectors(bio)) | |
499 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size) | |
500 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
501 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ | |
217f66c6 MD |
502 | tp_assign(dev, bio->bi_bdev->bd_dev) |
503 | tp_assign(sector, bio->bi_sector) | |
504 | tp_assign(nr_sector, bio->bi_size >> 9) | |
505 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) | |
506 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
01842e06 | 507 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
217f66c6 MD |
508 | ), |
509 | ||
510 | TP_printk("%d,%d %s %llu + %u [%s]", | |
511 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
512 | __print_rwbs_flags(__entry->rwbs), | |
513 | (unsigned long long)__entry->sector, | |
514 | __entry->nr_sector, __entry->comm) | |
515 | ) | |
516 | ||
517 | /** | |
518 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
519 | * @q: queue holding operation | |
520 | * @bio: new block operation to merge | |
521 | * | |
522 | * Merging block request @bio to the end of an existing block request | |
523 | * in queue @q. | |
524 | */ | |
525 | DEFINE_EVENT(block_bio_merge, block_bio_backmerge, | |
526 | ||
527 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
528 | ||
529 | TP_ARGS(q, rq, bio) | |
530 | ) | |
531 | ||
532 | /** | |
533 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
534 | * @q: queue holding operation | |
535 | * @bio: new block operation to merge | |
536 | * | |
537 | * Merging block IO operation @bio to the beginning of an existing block | |
538 | * operation in queue @q. | |
539 | */ | |
540 | DEFINE_EVENT(block_bio_merge, block_bio_frontmerge, | |
541 | ||
542 | TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), | |
543 | ||
544 | TP_ARGS(q, rq, bio) | |
545 | ) | |
546 | ||
547 | /** | |
548 | * block_bio_queue - putting new block IO operation in queue | |
549 | * @q: queue holding operation | |
550 | * @bio: new block operation | |
551 | * | |
552 | * About to place the block IO operation @bio into queue @q. | |
553 | */ | |
554 | TRACE_EVENT(block_bio_queue, | |
555 | ||
556 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
557 | ||
558 | TP_ARGS(q, bio), | |
559 | ||
560 | TP_STRUCT__entry( | |
561 | __field( dev_t, dev ) | |
562 | __field( sector_t, sector ) | |
563 | __field( unsigned int, nr_sector ) | |
dccb4f4a MD |
564 | __field( unsigned int, rwbs ) |
565 | __array_text( char, comm, TASK_COMM_LEN ) | |
217f66c6 MD |
566 | ), |
567 | ||
568 | TP_fast_assign( | |
01842e06 MD |
569 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
570 | tp_assign(dev, bio->bi_bdev->bd_dev) | |
571 | tp_assign(sector, bio->bi_iter.bi_sector) | |
572 | tp_assign(nr_sector, bio_sectors(bio)) | |
573 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size) | |
574 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
575 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ | |
217f66c6 MD |
576 | tp_assign(dev, bio->bi_bdev->bd_dev) |
577 | tp_assign(sector, bio->bi_sector) | |
578 | tp_assign(nr_sector, bio->bi_size >> 9) | |
579 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) | |
580 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
01842e06 | 581 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
217f66c6 MD |
582 | ), |
583 | ||
584 | TP_printk("%d,%d %s %llu + %u [%s]", | |
585 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, | |
586 | (unsigned long long)__entry->sector, | |
587 | __entry->nr_sector, __entry->comm) | |
588 | ) | |
589 | #else | |
f62b389e MD |
590 | DECLARE_EVENT_CLASS(block_bio, |
591 | ||
592 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
593 | ||
594 | TP_ARGS(q, bio), | |
595 | ||
596 | TP_STRUCT__entry( | |
597 | __field( dev_t, dev ) | |
598 | __field( sector_t, sector ) | |
599 | __field( unsigned int, nr_sector ) | |
600 | __field( unsigned int, rwbs ) | |
64c796d8 | 601 | __array_text( char, comm, TASK_COMM_LEN ) |
f62b389e MD |
602 | ), |
603 | ||
604 | TP_fast_assign( | |
058e913a | 605 | tp_assign(dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) |
f62b389e MD |
606 | tp_assign(sector, bio->bi_sector) |
607 | tp_assign(nr_sector, bio->bi_size >> 9) | |
608 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) | |
609 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
610 | ), | |
611 | ||
612 | TP_printk("%d,%d %s %llu + %u [%s]", | |
613 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
614 | __print_rwbs_flags(__entry->rwbs), | |
615 | (unsigned long long)__entry->sector, | |
616 | __entry->nr_sector, __entry->comm) | |
617 | ) | |
618 | ||
619 | /** | |
620 | * block_bio_backmerge - merging block operation to the end of an existing operation | |
621 | * @q: queue holding operation | |
622 | * @bio: new block operation to merge | |
623 | * | |
624 | * Merging block request @bio to the end of an existing block request | |
625 | * in queue @q. | |
626 | */ | |
627 | DEFINE_EVENT(block_bio, block_bio_backmerge, | |
628 | ||
629 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
630 | ||
631 | TP_ARGS(q, bio) | |
632 | ) | |
633 | ||
634 | /** | |
635 | * block_bio_frontmerge - merging block operation to the beginning of an existing operation | |
636 | * @q: queue holding operation | |
637 | * @bio: new block operation to merge | |
638 | * | |
639 | * Merging block IO operation @bio to the beginning of an existing block | |
640 | * operation in queue @q. | |
641 | */ | |
642 | DEFINE_EVENT(block_bio, block_bio_frontmerge, | |
643 | ||
644 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
645 | ||
646 | TP_ARGS(q, bio) | |
647 | ) | |
648 | ||
649 | /** | |
650 | * block_bio_queue - putting new block IO operation in queue | |
651 | * @q: queue holding operation | |
652 | * @bio: new block operation | |
653 | * | |
654 | * About to place the block IO operation @bio into queue @q. | |
655 | */ | |
656 | DEFINE_EVENT(block_bio, block_bio_queue, | |
657 | ||
658 | TP_PROTO(struct request_queue *q, struct bio *bio), | |
659 | ||
660 | TP_ARGS(q, bio) | |
661 | ) | |
217f66c6 | 662 | #endif |
f62b389e MD |
663 | |
664 | DECLARE_EVENT_CLASS(block_get_rq, | |
665 | ||
666 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
667 | ||
668 | TP_ARGS(q, bio, rw), | |
669 | ||
670 | TP_STRUCT__entry( | |
671 | __field( dev_t, dev ) | |
672 | __field( sector_t, sector ) | |
673 | __field( unsigned int, nr_sector ) | |
674 | __field( unsigned int, rwbs ) | |
64c796d8 | 675 | __array_text( char, comm, TASK_COMM_LEN ) |
f62b389e MD |
676 | ), |
677 | ||
678 | TP_fast_assign( | |
01842e06 MD |
679 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
680 | tp_assign(dev, bio ? bio->bi_bdev->bd_dev : 0) | |
681 | tp_assign(sector, bio ? bio->bi_iter.bi_sector : 0) | |
682 | tp_assign(nr_sector, bio ? bio_sectors(bio) : 0) | |
683 | blk_fill_rwbs(rwbs, bio ? bio->bi_rw : 0, | |
684 | bio ? bio_sectors(bio) : 0) | |
685 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
686 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ | |
f62b389e MD |
687 | tp_assign(dev, bio ? bio->bi_bdev->bd_dev : 0) |
688 | tp_assign(sector, bio ? bio->bi_sector : 0) | |
689 | tp_assign(nr_sector, bio ? bio->bi_size >> 9 : 0) | |
690 | blk_fill_rwbs(rwbs, bio ? bio->bi_rw : 0, | |
691 | bio ? bio->bi_size >> 9 : 0) | |
692 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
01842e06 | 693 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f62b389e MD |
694 | ), |
695 | ||
696 | TP_printk("%d,%d %s %llu + %u [%s]", | |
697 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
698 | __print_rwbs_flags(__entry->rwbs), | |
699 | (unsigned long long)__entry->sector, | |
700 | __entry->nr_sector, __entry->comm) | |
701 | ) | |
702 | ||
703 | /** | |
704 | * block_getrq - get a free request entry in queue for block IO operations | |
705 | * @q: queue for operations | |
706 | * @bio: pending block IO operation | |
707 | * @rw: low bit indicates a read (%0) or a write (%1) | |
708 | * | |
709 | * A request struct for queue @q has been allocated to handle the | |
710 | * block IO operation @bio. | |
711 | */ | |
712 | DEFINE_EVENT(block_get_rq, block_getrq, | |
713 | ||
714 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
715 | ||
716 | TP_ARGS(q, bio, rw) | |
717 | ) | |
718 | ||
719 | /** | |
720 | * block_sleeprq - waiting to get a free request entry in queue for block IO operation | |
721 | * @q: queue for operation | |
722 | * @bio: pending block IO operation | |
723 | * @rw: low bit indicates a read (%0) or a write (%1) | |
724 | * | |
725 | * In the case where a request struct cannot be provided for queue @q | |
726 | * the process needs to wait for an request struct to become | |
727 | * available. This tracepoint event is generated each time the | |
728 | * process goes to sleep waiting for request struct become available. | |
729 | */ | |
730 | DEFINE_EVENT(block_get_rq, block_sleeprq, | |
731 | ||
732 | TP_PROTO(struct request_queue *q, struct bio *bio, int rw), | |
733 | ||
734 | TP_ARGS(q, bio, rw) | |
735 | ) | |
736 | ||
737 | /** | |
738 | * block_plug - keep operations requests in request queue | |
739 | * @q: request queue to plug | |
740 | * | |
741 | * Plug the request queue @q. Do not allow block operation requests | |
742 | * to be sent to the device driver. Instead, accumulate requests in | |
743 | * the queue to improve throughput performance of the block device. | |
744 | */ | |
745 | TRACE_EVENT(block_plug, | |
746 | ||
747 | TP_PROTO(struct request_queue *q), | |
748 | ||
749 | TP_ARGS(q), | |
750 | ||
751 | TP_STRUCT__entry( | |
64c796d8 | 752 | __array_text( char, comm, TASK_COMM_LEN ) |
f62b389e MD |
753 | ), |
754 | ||
755 | TP_fast_assign( | |
756 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
757 | ), | |
758 | ||
759 | TP_printk("[%s]", __entry->comm) | |
760 | ) | |
761 | ||
762 | DECLARE_EVENT_CLASS(block_unplug, | |
763 | ||
7c68b363 | 764 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e MD |
765 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
766 | ||
767 | TP_ARGS(q, depth, explicit), | |
7c68b363 AG |
768 | #else |
769 | TP_PROTO(struct request_queue *q), | |
770 | ||
771 | TP_ARGS(q), | |
772 | #endif | |
f62b389e MD |
773 | |
774 | TP_STRUCT__entry( | |
775 | __field( int, nr_rq ) | |
64c796d8 | 776 | __array_text( char, comm, TASK_COMM_LEN ) |
f62b389e MD |
777 | ), |
778 | ||
779 | TP_fast_assign( | |
7c68b363 | 780 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e | 781 | tp_assign(nr_rq, depth) |
7c68b363 AG |
782 | #else |
783 | tp_assign(nr_rq, q->rq.count[READ] + q->rq.count[WRITE]) | |
784 | #endif | |
f62b389e MD |
785 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) |
786 | ), | |
787 | ||
788 | TP_printk("[%s] %d", __entry->comm, __entry->nr_rq) | |
789 | ) | |
790 | ||
7c68b363 AG |
791 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)) |
792 | /** | |
793 | * block_unplug_timer - timed release of operations requests in queue to device driver | |
794 | * @q: request queue to unplug | |
795 | * | |
796 | * Unplug the request queue @q because a timer expired and allow block | |
797 | * operation requests to be sent to the device driver. | |
798 | */ | |
799 | DEFINE_EVENT(block_unplug, block_unplug_timer, | |
800 | ||
801 | TP_PROTO(struct request_queue *q), | |
802 | ||
803 | TP_ARGS(q) | |
804 | ) | |
805 | #endif | |
806 | ||
f62b389e MD |
807 | /** |
808 | * block_unplug - release of operations requests in request queue | |
809 | * @q: request queue to unplug | |
810 | * @depth: number of requests just added to the queue | |
811 | * @explicit: whether this was an explicit unplug, or one from schedule() | |
812 | * | |
813 | * Unplug request queue @q because device driver is scheduled to work | |
814 | * on elements in the request queue. | |
815 | */ | |
7c68b363 | 816 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e | 817 | DEFINE_EVENT(block_unplug, block_unplug, |
7c68b363 AG |
818 | #else |
819 | DEFINE_EVENT(block_unplug, block_unplug_io, | |
820 | #endif | |
f62b389e | 821 | |
7c68b363 | 822 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) |
f62b389e MD |
823 | TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), |
824 | ||
825 | TP_ARGS(q, depth, explicit) | |
7c68b363 AG |
826 | #else |
827 | TP_PROTO(struct request_queue *q), | |
828 | ||
829 | TP_ARGS(q) | |
830 | #endif | |
f62b389e MD |
831 | ) |
832 | ||
833 | /** | |
834 | * block_split - split a single bio struct into two bio structs | |
835 | * @q: queue containing the bio | |
836 | * @bio: block operation being split | |
837 | * @new_sector: The starting sector for the new bio | |
838 | * | |
839 | * The bio request @bio in request queue @q needs to be split into two | |
840 | * bio requests. The newly created @bio request starts at | |
841 | * @new_sector. This split may be required due to hardware limitation | |
842 | * such as operation crossing device boundaries in a RAID system. | |
843 | */ | |
844 | TRACE_EVENT(block_split, | |
845 | ||
846 | TP_PROTO(struct request_queue *q, struct bio *bio, | |
847 | unsigned int new_sector), | |
848 | ||
849 | TP_ARGS(q, bio, new_sector), | |
850 | ||
851 | TP_STRUCT__entry( | |
852 | __field( dev_t, dev ) | |
853 | __field( sector_t, sector ) | |
854 | __field( sector_t, new_sector ) | |
855 | __field( unsigned int, rwbs ) | |
64c796d8 | 856 | __array_text( char, comm, TASK_COMM_LEN ) |
f62b389e MD |
857 | ), |
858 | ||
859 | TP_fast_assign( | |
01842e06 MD |
860 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
861 | tp_assign(dev, bio->bi_bdev->bd_dev) | |
862 | tp_assign(sector, bio->bi_iter.bi_sector) | |
863 | tp_assign(new_sector, new_sector) | |
864 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size) | |
865 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) | |
866 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ | |
f62b389e MD |
867 | tp_assign(dev, bio->bi_bdev->bd_dev) |
868 | tp_assign(sector, bio->bi_sector) | |
869 | tp_assign(new_sector, new_sector) | |
aea65df5 | 870 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) |
f62b389e | 871 | tp_memcpy(comm, current->comm, TASK_COMM_LEN) |
01842e06 | 872 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f62b389e MD |
873 | ), |
874 | ||
875 | TP_printk("%d,%d %s %llu / %llu [%s]", | |
876 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
877 | __print_rwbs_flags(__entry->rwbs), | |
878 | (unsigned long long)__entry->sector, | |
879 | (unsigned long long)__entry->new_sector, | |
880 | __entry->comm) | |
881 | ) | |
882 | ||
883 | /** | |
884 | * block_bio_remap - map request for a logical device to the raw device | |
885 | * @q: queue holding the operation | |
886 | * @bio: revised operation | |
887 | * @dev: device for the operation | |
888 | * @from: original sector for the operation | |
889 | * | |
890 | * An operation for a logical device has been mapped to the | |
891 | * raw block device. | |
892 | */ | |
7c68b363 | 893 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) |
f62b389e | 894 | TRACE_EVENT(block_bio_remap, |
7c68b363 AG |
895 | #else |
896 | TRACE_EVENT(block_remap, | |
897 | #endif | |
f62b389e MD |
898 | |
899 | TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, | |
900 | sector_t from), | |
901 | ||
902 | TP_ARGS(q, bio, dev, from), | |
903 | ||
904 | TP_STRUCT__entry( | |
905 | __field( dev_t, dev ) | |
906 | __field( sector_t, sector ) | |
907 | __field( unsigned int, nr_sector ) | |
908 | __field( dev_t, old_dev ) | |
909 | __field( sector_t, old_sector ) | |
910 | __field( unsigned int, rwbs ) | |
911 | ), | |
912 | ||
913 | TP_fast_assign( | |
01842e06 MD |
914 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) |
915 | tp_assign(dev, bio->bi_bdev->bd_dev) | |
916 | tp_assign(sector, bio->bi_iter.bi_sector) | |
917 | tp_assign(nr_sector, bio_sectors(bio)) | |
918 | tp_assign(old_dev, dev) | |
919 | tp_assign(old_sector, from) | |
920 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size) | |
921 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ | |
f62b389e MD |
922 | tp_assign(dev, bio->bi_bdev->bd_dev) |
923 | tp_assign(sector, bio->bi_sector) | |
924 | tp_assign(nr_sector, bio->bi_size >> 9) | |
925 | tp_assign(old_dev, dev) | |
926 | tp_assign(old_sector, from) | |
927 | blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) | |
01842e06 | 928 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ |
f62b389e MD |
929 | ), |
930 | ||
931 | TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu", | |
932 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
933 | __print_rwbs_flags(__entry->rwbs), | |
934 | (unsigned long long)__entry->sector, | |
935 | __entry->nr_sector, | |
936 | MAJOR(__entry->old_dev), MINOR(__entry->old_dev), | |
937 | (unsigned long long)__entry->old_sector) | |
938 | ) | |
939 | ||
7c68b363 | 940 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) |
f62b389e MD |
941 | /** |
942 | * block_rq_remap - map request for a block operation request | |
943 | * @q: queue holding the operation | |
944 | * @rq: block IO operation request | |
945 | * @dev: device for the operation | |
946 | * @from: original sector for the operation | |
947 | * | |
948 | * The block operation request @rq in @q has been remapped. The block | |
949 | * operation request @rq holds the current information and @from hold | |
950 | * the original sector. | |
951 | */ | |
952 | TRACE_EVENT(block_rq_remap, | |
953 | ||
954 | TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev, | |
955 | sector_t from), | |
956 | ||
957 | TP_ARGS(q, rq, dev, from), | |
958 | ||
959 | TP_STRUCT__entry( | |
960 | __field( dev_t, dev ) | |
961 | __field( sector_t, sector ) | |
962 | __field( unsigned int, nr_sector ) | |
963 | __field( dev_t, old_dev ) | |
964 | __field( sector_t, old_sector ) | |
965 | __field( unsigned int, rwbs ) | |
966 | ), | |
967 | ||
968 | TP_fast_assign( | |
969 | tp_assign(dev, disk_devt(rq->rq_disk)) | |
970 | tp_assign(sector, blk_rq_pos(rq)) | |
971 | tp_assign(nr_sector, blk_rq_sectors(rq)) | |
972 | tp_assign(old_dev, dev) | |
973 | tp_assign(old_sector, from) | |
974 | blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq)) | |
975 | ), | |
976 | ||
977 | TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu", | |
978 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
979 | __print_rwbs_flags(__entry->rwbs), | |
980 | (unsigned long long)__entry->sector, | |
981 | __entry->nr_sector, | |
982 | MAJOR(__entry->old_dev), MINOR(__entry->old_dev), | |
983 | (unsigned long long)__entry->old_sector) | |
984 | ) | |
7c68b363 | 985 | #endif |
f62b389e MD |
986 | |
987 | #undef __print_rwbs_flags | |
988 | #undef blk_fill_rwbs | |
989 | ||
990 | #endif /* _TRACE_BLOCK_H */ | |
991 | ||
992 | /* This part must be outside protection */ | |
5b88d86e | 993 | #include "../../../probes/define_trace.h" |
f62b389e | 994 |