instrumentation/events/lttng-module/block.h

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