instrumentation/events/lttng-module/block.h

   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>
  11
  12 #ifndef _TRACE_BLOCK_DEF_
  13 #define _TRACE_BLOCK_DEF_
  14
  15 #define __blk_dump_cmd(cmd, len)        "<unknown>"
  16
  17 enum {
  18         RWBS_FLAG_WRITE         = (1 << 0),
  19         RWBS_FLAG_DISCARD       = (1 << 1),
  20         RWBS_FLAG_READ          = (1 << 2),
  21         RWBS_FLAG_RAHEAD        = (1 << 3),
  22         RWBS_FLAG_SYNC          = (1 << 4),
  23         RWBS_FLAG_META          = (1 << 5),
  24         RWBS_FLAG_SECURE        = (1 << 6),
  25 };
  26
  27 #endif /* _TRACE_BLOCK_DEF_ */
  28
  29 #define __print_rwbs_flags(rwbs)                \
  30         __print_flags(rwbs, "",                 \
  31                 { RWBS_FLAG_WRITE, "W" },       \
  32                 { RWBS_FLAG_DISCARD, "D" },     \
  33                 { RWBS_FLAG_READ, "R" },        \
  34                 { RWBS_FLAG_RAHEAD, "A" },      \
  35                 { RWBS_FLAG_SYNC, "S" },        \
  36                 { RWBS_FLAG_META, "M" },        \
  37                 { RWBS_FLAG_SECURE, "E" })
  38
  39 #define blk_fill_rwbs(rwbs, rw, bytes)                                        \
  40                 tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :             \
  41                         ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD :            \
  42                         ( (bytes) ? RWBS_FLAG_READ :                          \
  43                         ( 0 ))))                                              \
  44                         | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0)          \
  45                         | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0)              \
  46                         | ((rw) & REQ_META ? RWBS_FLAG_META : 0)              \
  47                         | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
  48
  49 DECLARE_EVENT_CLASS(block_rq_with_error,
  50
  51         TP_PROTO(struct request_queue *q, struct request *rq),
  52
  53         TP_ARGS(q, rq),
  54
  55         TP_STRUCT__entry(
  56                 __field(  dev_t,        dev                     )
  57                 __field(  sector_t,     sector                  )
  58                 __field(  unsigned int, nr_sector               )
  59                 __field(  int,          errors                  )
  60                 __field(  unsigned int, rwbs                    )
  61                 __dynamic_array_text( char,     cmd,    blk_cmd_buf_len(rq)     )
  62         ),
  63
  64         TP_fast_assign(
  65                 tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
  66                 tp_assign(sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
  67                                         0 : blk_rq_pos(rq))
  68                 tp_assign(nr_sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
  69                                         0 : blk_rq_sectors(rq))
  70                 tp_assign(errors, rq->errors)
  71                 blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq))
  72                 tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
  73                                         rq->cmd : (unsigned char *) "");
  74         ),
  75
  76         TP_printk("%d,%d %s (%s) %llu + %u [%d]",
  77                   MAJOR(__entry->dev), MINOR(__entry->dev),
  78                   __print_rwbs_flags(__entry->rwbs),
  79                   __blk_dump_cmd(__get_dynamic_array(cmd),
  80                                  __get_dynamic_array_len(cmd)),
  81                   (unsigned long long)__entry->sector,
  82                   __entry->nr_sector, __entry->errors)
  83 )
  84
  85 /**
  86  * block_rq_abort - abort block operation request
  87  * @q: queue containing the block operation request
  88  * @rq: block IO operation request
  89  *
  90  * Called immediately after pending block IO operation request @rq in
  91  * queue @q is aborted. The fields in the operation request @rq
  92  * can be examined to determine which device and sectors the pending
  93  * operation would access.
  94  */
  95 DEFINE_EVENT(block_rq_with_error, block_rq_abort,
  96
  97         TP_PROTO(struct request_queue *q, struct request *rq),
  98
  99         TP_ARGS(q, rq)
 100 )
 101
 102 /**
 103  * block_rq_requeue - place block IO request back on a queue
 104  * @q: queue holding operation
 105  * @rq: block IO operation request
 106  *
 107  * The block operation request @rq is being placed back into queue
 108  * @q.  For some reason the request was not completed and needs to be
 109  * put back in the queue.
 110  */
 111 DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
 112
 113         TP_PROTO(struct request_queue *q, struct request *rq),
 114
 115         TP_ARGS(q, rq)
 116 )
 117
 118 /**
 119  * block_rq_complete - block IO operation completed by device driver
 120  * @q: queue containing the block operation request
 121  * @rq: block operations request
 122  *
 123  * The block_rq_complete tracepoint event indicates that some portion
 124  * of operation request has been completed by the device driver.  If
 125  * the @rq->bio is %NULL, then there is absolutely no additional work to
 126  * do for the request. If @rq->bio is non-NULL then there is
 127  * additional work required to complete the request.
 128  */
 129 DEFINE_EVENT(block_rq_with_error, block_rq_complete,
 130
 131         TP_PROTO(struct request_queue *q, struct request *rq),
 132
 133         TP_ARGS(q, rq)
 134 )
 135
 136 DECLARE_EVENT_CLASS(block_rq,
 137
 138         TP_PROTO(struct request_queue *q, struct request *rq),
 139
 140         TP_ARGS(q, rq),
 141
 142         TP_STRUCT__entry(
 143                 __field(  dev_t,        dev                     )
 144                 __field(  sector_t,     sector                  )
 145                 __field(  unsigned int, nr_sector               )
 146                 __field(  unsigned int, bytes                   )
 147                 __field(  unsigned int, rwbs                    )
 148                 __array_text(  char,         comm,   TASK_COMM_LEN   )
 149                 __dynamic_array_text( char,     cmd,    blk_cmd_buf_len(rq)     )
 150         ),
 151
 152         TP_fast_assign(
 153                 tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
 154                 tp_assign(sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
 155                                         0 : blk_rq_pos(rq))
 156                 tp_assign(nr_sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
 157                                         0 : blk_rq_sectors(rq))
 158                 tp_assign(bytes, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
 159                                         blk_rq_bytes(rq) : 0)
 160                 blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq))
 161                 tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
 162                                         rq->cmd : (unsigned char *) "");
 163                 tp_memcpy(comm, current->comm, TASK_COMM_LEN)
 164         ),
 165
 166         TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
 167                   MAJOR(__entry->dev), MINOR(__entry->dev),
 168                   __print_rwbs_flags(__entry->rwbs),
 169                   __entry->bytes,
 170                   __blk_dump_cmd(__get_dynamic_array(cmd),
 171                                  __get_dynamic_array_len(cmd)),
 172                   (unsigned long long)__entry->sector,
 173                   __entry->nr_sector, __entry->comm)
 174 )
 175
 176 /**
 177  * block_rq_insert - insert block operation request into queue
 178  * @q: target queue
 179  * @rq: block IO operation request
 180  *
 181  * Called immediately before block operation request @rq is inserted
 182  * into queue @q.  The fields in the operation request @rq struct can
 183  * be examined to determine which device and sectors the pending
 184  * operation would access.
 185  */
 186 DEFINE_EVENT(block_rq, block_rq_insert,
 187
 188         TP_PROTO(struct request_queue *q, struct request *rq),
 189
 190         TP_ARGS(q, rq)
 191 )
 192
 193 /**
 194  * block_rq_issue - issue pending block IO request operation to device driver
 195  * @q: queue holding operation
 196  * @rq: block IO operation operation request
 197  *
 198  * Called when block operation request @rq from queue @q is sent to a
 199  * device driver for processing.
 200  */
 201 DEFINE_EVENT(block_rq, block_rq_issue,
 202
 203         TP_PROTO(struct request_queue *q, struct request *rq),
 204
 205         TP_ARGS(q, rq)
 206 )
 207
 208 /**
 209  * block_bio_bounce - used bounce buffer when processing block operation
 210  * @q: queue holding the block operation
 211  * @bio: block operation
 212  *
 213  * A bounce buffer was used to handle the block operation @bio in @q.
 214  * This occurs when hardware limitations prevent a direct transfer of
 215  * data between the @bio data memory area and the IO device.  Use of a
 216  * bounce buffer requires extra copying of data and decreases
 217  * performance.
 218  */
 219 TRACE_EVENT(block_bio_bounce,
 220
 221         TP_PROTO(struct request_queue *q, struct bio *bio),
 222
 223         TP_ARGS(q, bio),
 224
 225         TP_STRUCT__entry(
 226                 __field( dev_t,         dev                     )
 227                 __field( sector_t,      sector                  )
 228                 __field( unsigned int,  nr_sector               )
 229                 __field( unsigned int,  rwbs                    )
 230                 __array_text( char,             comm,   TASK_COMM_LEN   )
 231         ),
 232
 233         TP_fast_assign(
 234                 tp_assign(dev, bio->bi_bdev ?
 235                                           bio->bi_bdev->bd_dev : 0)
 236                 tp_assign(sector, bio->bi_sector)
 237                 tp_assign(nr_sector, bio->bi_size >> 9)
 238                 blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
 239                 tp_memcpy(comm, current->comm, TASK_COMM_LEN)
 240         ),
 241
 242         TP_printk("%d,%d %s %llu + %u [%s]",
 243                   MAJOR(__entry->dev), MINOR(__entry->dev),
 244                   __print_rwbs_flags(__entry->rwbs),
 245                   (unsigned long long)__entry->sector,
 246                   __entry->nr_sector, __entry->comm)
 247 )
 248
 249 /**
 250  * block_bio_complete - completed all work on the block operation
 251  * @q: queue holding the block operation
 252  * @bio: block operation completed
 253  * @error: io error value
 254  *
 255  * This tracepoint indicates there is no further work to do on this
 256  * block IO operation @bio.
 257  */
 258 TRACE_EVENT(block_bio_complete,
 259
 260         TP_PROTO(struct request_queue *q, struct bio *bio, int error),
 261
 262         TP_ARGS(q, bio, error),
 263
 264         TP_STRUCT__entry(
 265                 __field( dev_t,         dev             )
 266                 __field( sector_t,      sector          )
 267                 __field( unsigned,      nr_sector       )
 268                 __field( int,           error           )
 269                 __field( unsigned int,  rwbs            )
 270         ),
 271
 272         TP_fast_assign(
 273                 tp_assign(dev, bio->bi_bdev->bd_dev)
 274                 tp_assign(sector, bio->bi_sector)
 275                 tp_assign(nr_sector, bio->bi_size >> 9)
 276                 tp_assign(error, error)
 277                 blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
 278         ),
 279
 280         TP_printk("%d,%d %s %llu + %u [%d]",
 281                   MAJOR(__entry->dev), MINOR(__entry->dev),
 282                   __print_rwbs_flags(__entry->rwbs),
 283                   (unsigned long long)__entry->sector,
 284                   __entry->nr_sector, __entry->error)
 285 )
 286
 287 DECLARE_EVENT_CLASS(block_bio,
 288
 289         TP_PROTO(struct request_queue *q, struct bio *bio),
 290
 291         TP_ARGS(q, bio),
 292
 293         TP_STRUCT__entry(
 294                 __field( dev_t,         dev                     )
 295                 __field( sector_t,      sector                  )
 296                 __field( unsigned int,  nr_sector               )
 297                 __field( unsigned int,  rwbs                    )
 298                 __array_text( char,             comm,   TASK_COMM_LEN   )
 299         ),
 300
 301         TP_fast_assign(
 302                 tp_assign(dev, bio->bi_bdev->bd_dev)
 303                 tp_assign(sector, bio->bi_sector)
 304                 tp_assign(nr_sector, bio->bi_size >> 9)
 305                 blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
 306                 tp_memcpy(comm, current->comm, TASK_COMM_LEN)
 307         ),
 308
 309         TP_printk("%d,%d %s %llu + %u [%s]",
 310                   MAJOR(__entry->dev), MINOR(__entry->dev),
 311                   __print_rwbs_flags(__entry->rwbs),
 312                   (unsigned long long)__entry->sector,
 313                   __entry->nr_sector, __entry->comm)
 314 )
 315
 316 /**
 317  * block_bio_backmerge - merging block operation to the end of an existing operation
 318  * @q: queue holding operation
 319  * @bio: new block operation to merge
 320  *
 321  * Merging block request @bio to the end of an existing block request
 322  * in queue @q.
 323  */
 324 DEFINE_EVENT(block_bio, block_bio_backmerge,
 325
 326         TP_PROTO(struct request_queue *q, struct bio *bio),
 327
 328         TP_ARGS(q, bio)
 329 )
 330
 331 /**
 332  * block_bio_frontmerge - merging block operation to the beginning of an existing operation
 333  * @q: queue holding operation
 334  * @bio: new block operation to merge
 335  *
 336  * Merging block IO operation @bio to the beginning of an existing block
 337  * operation in queue @q.
 338  */
 339 DEFINE_EVENT(block_bio, block_bio_frontmerge,
 340
 341         TP_PROTO(struct request_queue *q, struct bio *bio),
 342
 343         TP_ARGS(q, bio)
 344 )
 345
 346 /**
 347  * block_bio_queue - putting new block IO operation in queue
 348  * @q: queue holding operation
 349  * @bio: new block operation
 350  *
 351  * About to place the block IO operation @bio into queue @q.
 352  */
 353 DEFINE_EVENT(block_bio, block_bio_queue,
 354
 355         TP_PROTO(struct request_queue *q, struct bio *bio),
 356
 357         TP_ARGS(q, bio)
 358 )
 359
 360 DECLARE_EVENT_CLASS(block_get_rq,
 361
 362         TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
 363
 364         TP_ARGS(q, bio, rw),
 365
 366         TP_STRUCT__entry(
 367                 __field( dev_t,         dev                     )
 368                 __field( sector_t,      sector                  )
 369                 __field( unsigned int,  nr_sector               )
 370                 __field( unsigned int,  rwbs                    )
 371                 __array_text( char,             comm,   TASK_COMM_LEN   )
 372         ),
 373
 374         TP_fast_assign(
 375                 tp_assign(dev, bio ? bio->bi_bdev->bd_dev : 0)
 376                 tp_assign(sector, bio ? bio->bi_sector : 0)
 377                 tp_assign(nr_sector, bio ? bio->bi_size >> 9 : 0)
 378                 blk_fill_rwbs(rwbs, bio ? bio->bi_rw : 0,
 379                               bio ? bio->bi_size >> 9 : 0)
 380                 tp_memcpy(comm, current->comm, TASK_COMM_LEN)
 381         ),
 382
 383         TP_printk("%d,%d %s %llu + %u [%s]",
 384                   MAJOR(__entry->dev), MINOR(__entry->dev),
 385                   __print_rwbs_flags(__entry->rwbs),
 386                   (unsigned long long)__entry->sector,
 387                   __entry->nr_sector, __entry->comm)
 388 )
 389
 390 /**
 391  * block_getrq - get a free request entry in queue for block IO operations
 392  * @q: queue for operations
 393  * @bio: pending block IO operation
 394  * @rw: low bit indicates a read (%0) or a write (%1)
 395  *
 396  * A request struct for queue @q has been allocated to handle the
 397  * block IO operation @bio.
 398  */
 399 DEFINE_EVENT(block_get_rq, block_getrq,
 400
 401         TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
 402
 403         TP_ARGS(q, bio, rw)
 404 )
 405
 406 /**
 407  * block_sleeprq - waiting to get a free request entry in queue for block IO operation
 408  * @q: queue for operation
 409  * @bio: pending block IO operation
 410  * @rw: low bit indicates a read (%0) or a write (%1)
 411  *
 412  * In the case where a request struct cannot be provided for queue @q
 413  * the process needs to wait for an request struct to become
 414  * available.  This tracepoint event is generated each time the
 415  * process goes to sleep waiting for request struct become available.
 416  */
 417 DEFINE_EVENT(block_get_rq, block_sleeprq,
 418
 419         TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
 420
 421         TP_ARGS(q, bio, rw)
 422 )
 423
 424 /**
 425  * block_plug - keep operations requests in request queue
 426  * @q: request queue to plug
 427  *
 428  * Plug the request queue @q.  Do not allow block operation requests
 429  * to be sent to the device driver. Instead, accumulate requests in
 430  * the queue to improve throughput performance of the block device.
 431  */
 432 TRACE_EVENT(block_plug,
 433
 434         TP_PROTO(struct request_queue *q),
 435
 436         TP_ARGS(q),
 437
 438         TP_STRUCT__entry(
 439                 __array_text( char,             comm,   TASK_COMM_LEN   )
 440         ),
 441
 442         TP_fast_assign(
 443                 tp_memcpy(comm, current->comm, TASK_COMM_LEN)
 444         ),
 445
 446         TP_printk("[%s]", __entry->comm)
 447 )
 448
 449 DECLARE_EVENT_CLASS(block_unplug,
 450
 451         TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
 452
 453         TP_ARGS(q, depth, explicit),
 454
 455         TP_STRUCT__entry(
 456                 __field( int,           nr_rq                   )
 457                 __array_text( char,             comm,   TASK_COMM_LEN   )
 458         ),
 459
 460         TP_fast_assign(
 461                 tp_assign(nr_rq, depth)
 462                 tp_memcpy(comm, current->comm, TASK_COMM_LEN)
 463         ),
 464
 465         TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
 466 )
 467
 468 /**
 469  * block_unplug - release of operations requests in request queue
 470  * @q: request queue to unplug
 471  * @depth: number of requests just added to the queue
 472  * @explicit: whether this was an explicit unplug, or one from schedule()
 473  *
 474  * Unplug request queue @q because device driver is scheduled to work
 475  * on elements in the request queue.
 476  */
 477 DEFINE_EVENT(block_unplug, block_unplug,
 478
 479         TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
 480
 481         TP_ARGS(q, depth, explicit)
 482 )
 483
 484 /**
 485  * block_split - split a single bio struct into two bio structs
 486  * @q: queue containing the bio
 487  * @bio: block operation being split
 488  * @new_sector: The starting sector for the new bio
 489  *
 490  * The bio request @bio in request queue @q needs to be split into two
 491  * bio requests. The newly created @bio request starts at
 492  * @new_sector. This split may be required due to hardware limitation
 493  * such as operation crossing device boundaries in a RAID system.
 494  */
 495 TRACE_EVENT(block_split,
 496
 497         TP_PROTO(struct request_queue *q, struct bio *bio,
 498                  unsigned int new_sector),
 499
 500         TP_ARGS(q, bio, new_sector),
 501
 502         TP_STRUCT__entry(
 503                 __field( dev_t,         dev                             )
 504                 __field( sector_t,      sector                          )
 505                 __field( sector_t,      new_sector                      )
 506                 __field( unsigned int,  rwbs            )
 507                 __array_text( char,             comm,           TASK_COMM_LEN   )
 508         ),
 509
 510         TP_fast_assign(
 511                 tp_assign(dev, bio->bi_bdev->bd_dev)
 512                 tp_assign(sector, bio->bi_sector)
 513                 tp_assign(new_sector, new_sector)
 514                 blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
 515                 tp_memcpy(comm, current->comm, TASK_COMM_LEN)
 516         ),
 517
 518         TP_printk("%d,%d %s %llu / %llu [%s]",
 519                   MAJOR(__entry->dev), MINOR(__entry->dev),
 520                   __print_rwbs_flags(__entry->rwbs),
 521                   (unsigned long long)__entry->sector,
 522                   (unsigned long long)__entry->new_sector,
 523                   __entry->comm)
 524 )
 525
 526 /**
 527  * block_bio_remap - map request for a logical device to the raw device
 528  * @q: queue holding the operation
 529  * @bio: revised operation
 530  * @dev: device for the operation
 531  * @from: original sector for the operation
 532  *
 533  * An operation for a logical device has been mapped to the
 534  * raw block device.
 535  */
 536 TRACE_EVENT(block_bio_remap,
 537
 538         TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
 539                  sector_t from),
 540
 541         TP_ARGS(q, bio, dev, from),
 542
 543         TP_STRUCT__entry(
 544                 __field( dev_t,         dev             )
 545                 __field( sector_t,      sector          )
 546                 __field( unsigned int,  nr_sector       )
 547                 __field( dev_t,         old_dev         )
 548                 __field( sector_t,      old_sector      )
 549                 __field( unsigned int,  rwbs            )
 550         ),
 551
 552         TP_fast_assign(
 553                 tp_assign(dev, bio->bi_bdev->bd_dev)
 554                 tp_assign(sector, bio->bi_sector)
 555                 tp_assign(nr_sector, bio->bi_size >> 9)
 556                 tp_assign(old_dev, dev)
 557                 tp_assign(old_sector, from)
 558                 blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
 559         ),
 560
 561         TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
 562                   MAJOR(__entry->dev), MINOR(__entry->dev),
 563                   __print_rwbs_flags(__entry->rwbs),
 564                   (unsigned long long)__entry->sector,
 565                   __entry->nr_sector,
 566                   MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
 567                   (unsigned long long)__entry->old_sector)
 568 )
 569
 570 /**
 571  * block_rq_remap - map request for a block operation request
 572  * @q: queue holding the operation
 573  * @rq: block IO operation request
 574  * @dev: device for the operation
 575  * @from: original sector for the operation
 576  *
 577  * The block operation request @rq in @q has been remapped.  The block
 578  * operation request @rq holds the current information and @from hold
 579  * the original sector.
 580  */
 581 TRACE_EVENT(block_rq_remap,
 582
 583         TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev,
 584                  sector_t from),
 585
 586         TP_ARGS(q, rq, dev, from),
 587
 588         TP_STRUCT__entry(
 589                 __field( dev_t,         dev             )
 590                 __field( sector_t,      sector          )
 591                 __field( unsigned int,  nr_sector       )
 592                 __field( dev_t,         old_dev         )
 593                 __field( sector_t,      old_sector      )
 594                 __field( unsigned int,  rwbs            )
 595         ),
 596
 597         TP_fast_assign(
 598                 tp_assign(dev, disk_devt(rq->rq_disk))
 599                 tp_assign(sector, blk_rq_pos(rq))
 600                 tp_assign(nr_sector, blk_rq_sectors(rq))
 601                 tp_assign(old_dev, dev)
 602                 tp_assign(old_sector, from)
 603                 blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq))
 604         ),
 605
 606         TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
 607                   MAJOR(__entry->dev), MINOR(__entry->dev),
 608                   __print_rwbs_flags(__entry->rwbs),
 609                   (unsigned long long)__entry->sector,
 610                   __entry->nr_sector,
 611                   MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
 612                   (unsigned long long)__entry->old_sector)
 613 )
 614
 615 #undef __print_rwbs_flags
 616 #undef blk_fill_rwbs
 617
 618 #endif /* _TRACE_BLOCK_H */
 619
 620 /* This part must be outside protection */
 621 #include "../../../probes/define_trace.h"
 622