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 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
 289 /**
 290  * block_rq_requeue - place block IO request back on a queue
 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 LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
 298
 299         TP_PROTO(struct request *rq),
 300
 301         TP_ARGS(rq),
 302
 303         TP_FIELDS(
 304                 ctf_integer(dev_t, dev,
 305                         rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
 306                 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
 307                 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
 308                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 309                         lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
 310         )
 311 )
 312 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
 313 /**
 314  * block_rq_requeue - place block IO request back on a queue
 315  * @q: queue holding operation
 316  * @rq: block IO operation request
 317  *
 318  * The block operation request @rq is being placed back into queue
 319  * @q.  For some reason the request was not completed and needs to be
 320  * put back in the queue.
 321  */
 322 LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
 323
 324         TP_PROTO(struct request_queue *q, struct request *rq),
 325
 326         TP_ARGS(q, rq),
 327
 328         TP_FIELDS(
 329                 ctf_integer(dev_t, dev,
 330                         rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
 331                 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
 332                 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
 333                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 334                         lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
 335         )
 336 )
 337 #else
 338 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue,
 339
 340         TP_PROTO(struct request_queue *q, struct request *rq),
 341
 342         TP_ARGS(q, rq)
 343 )
 344 #endif
 345
 346 /**
 347  * block_rq_complete - block IO operation completed by device driver
 348  * @q: queue containing the block operation request
 349  * @rq: block operations request
 350  * @nr_bytes: number of completed bytes
 351  *
 352  * The block_rq_complete tracepoint event indicates that some portion
 353  * of operation request has been completed by the device driver.  If
 354  * the @rq->bio is %NULL, then there is absolutely no additional work to
 355  * do for the request. If @rq->bio is non-NULL then there is
 356  * additional work required to complete the request.
 357  */
 358 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
 359 LTTNG_TRACEPOINT_EVENT(block_rq_complete,
 360
 361         TP_PROTO(struct request *rq, int error, unsigned int nr_bytes),
 362
 363         TP_ARGS(rq, error, nr_bytes),
 364
 365         TP_FIELDS(
 366                 ctf_integer(dev_t, dev,
 367                         rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
 368                 ctf_integer(sector_t, sector, blk_rq_pos(rq))
 369                 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
 370                 ctf_integer(int, error, error)
 371                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 372                         lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
 373         )
 374 )
 375 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
 376 LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
 377
 378         TP_PROTO(struct request_queue *q, struct request *rq,
 379                  unsigned int nr_bytes),
 380
 381         TP_ARGS(q, rq, nr_bytes),
 382
 383         TP_locvar(
 384                 unsigned char *cmd;
 385                 size_t cmd_len;
 386         ),
 387
 388         TP_code_pre(
 389                 if (blk_rq_is_scsi(rq)) {
 390                         struct scsi_request *scsi_rq = scsi_req(rq);
 391                         tp_locvar->cmd = scsi_rq->cmd;
 392                         tp_locvar->cmd_len = scsi_rq->cmd_len;
 393                 } else {
 394                         tp_locvar->cmd = NULL;
 395                         tp_locvar->cmd_len = 0;
 396                 }
 397         ),
 398
 399         TP_FIELDS(
 400                 ctf_integer(dev_t, dev,
 401                         rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
 402                 ctf_integer(sector_t, sector, blk_rq_pos(rq))
 403                 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
 404                 ctf_integer(int, errors, rq->errors)
 405                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 406                         lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
 407                 ctf_sequence_hex(unsigned char, cmd,
 408                         tp_locvar->cmd, size_t, tp_locvar->cmd_len)
 409         ),
 410
 411         TP_code_post()
 412 )
 413 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5)     \
 414         || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0)          \
 415         || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0)          \
 416         || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0)            \
 417         || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0)            \
 418         || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0)      \
 419         || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0))
 420
 421 LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
 422
 423         TP_PROTO(struct request_queue *q, struct request *rq,
 424                  unsigned int nr_bytes),
 425
 426         TP_ARGS(q, rq, nr_bytes),
 427
 428         TP_locvar(
 429                 unsigned char *cmd;
 430                 size_t cmd_len;
 431         ),
 432
 433         TP_code_pre(
 434                 if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
 435                         tp_locvar->cmd = rq->cmd;
 436                         tp_locvar->cmd_len = rq->cmd_len;
 437                 } else {
 438                         tp_locvar->cmd = NULL;
 439                         tp_locvar->cmd_len = 0;
 440                 }
 441         ),
 442
 443         TP_FIELDS(
 444                 ctf_integer(dev_t, dev,
 445                         rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
 446                 ctf_integer(sector_t, sector, blk_rq_pos(rq))
 447                 ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
 448                 ctf_integer(int, errors, rq->errors)
 449                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 450                         lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
 451                 ctf_sequence_hex(unsigned char, cmd,
 452                         tp_locvar->cmd, size_t, tp_locvar->cmd_len)
 453         ),
 454
 455         TP_code_post()
 456 )
 457
 458 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
 459
 460 /**
 461  * block_rq_complete - block IO operation completed by device driver
 462  * @q: queue containing the block operation request
 463  * @rq: block operations request
 464  *
 465  * The block_rq_complete tracepoint event indicates that some portion
 466  * of operation request has been completed by the device driver.  If
 467  * the @rq->bio is %NULL, then there is absolutely no additional work to
 468  * do for the request. If @rq->bio is non-NULL then there is
 469  * additional work required to complete the request.
 470  */
 471 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete,
 472
 473         TP_PROTO(struct request_queue *q, struct request *rq),
 474
 475         TP_ARGS(q, rq)
 476 )
 477
 478 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
 479
 480 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
 481 LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
 482
 483         TP_PROTO(struct request *rq),
 484
 485         TP_ARGS(rq),
 486
 487         TP_FIELDS(
 488                 ctf_integer(dev_t, dev,
 489                         rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
 490                 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
 491                 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
 492                 ctf_integer(unsigned int, bytes, blk_rq_bytes(rq))
 493                 ctf_integer(pid_t, tid, current->pid)
 494                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 495                         lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
 496                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 497         )
 498 )
 499 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
 500 LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
 501
 502         TP_PROTO(struct request_queue *q, struct request *rq),
 503
 504         TP_ARGS(q, rq),
 505
 506         TP_FIELDS(
 507                 ctf_integer(dev_t, dev,
 508                         rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
 509                 ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
 510                 ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
 511                 ctf_integer(unsigned int, bytes, blk_rq_bytes(rq))
 512                 ctf_integer(pid_t, tid, current->pid)
 513                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 514                         lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
 515                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 516         )
 517 )
 518 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
 519 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
 520
 521         TP_PROTO(struct request_queue *q, struct request *rq),
 522
 523         TP_ARGS(q, rq),
 524
 525         TP_locvar(
 526                 sector_t sector;
 527                 unsigned int nr_sector;
 528                 unsigned int bytes;
 529                 unsigned char *cmd;
 530                 size_t cmd_len;
 531         ),
 532
 533         TP_code_pre(
 534                 if (blk_rq_is_scsi(rq)) {
 535                         struct scsi_request *scsi_rq = scsi_req(rq);
 536                         tp_locvar->sector = 0;
 537                         tp_locvar->nr_sector = 0;
 538                         tp_locvar->bytes = scsi_rq->resid_len;
 539                         tp_locvar->cmd = scsi_rq->cmd;
 540                         tp_locvar->cmd_len = scsi_rq->cmd_len;
 541                 } else {
 542                         tp_locvar->sector = blk_rq_pos(rq);
 543                         tp_locvar->nr_sector = blk_rq_sectors(rq);
 544                         tp_locvar->bytes = 0;
 545                         tp_locvar->cmd = NULL;
 546                         tp_locvar->cmd_len = 0;
 547                 }
 548         ),
 549
 550         TP_FIELDS(
 551                 ctf_integer(dev_t, dev,
 552                         rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
 553                 ctf_integer(sector_t, sector, tp_locvar->sector)
 554                 ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
 555                 ctf_integer(unsigned int, bytes, tp_locvar->bytes)
 556                 ctf_integer(pid_t, tid, current->pid)
 557                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 558                         lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
 559                 ctf_sequence_hex(unsigned char, cmd,
 560                         tp_locvar->cmd, size_t, tp_locvar->cmd_len)
 561                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 562         ),
 563
 564         TP_code_post()
 565 )
 566 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
 567 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
 568
 569         TP_PROTO(struct request_queue *q, struct request *rq),
 570
 571         TP_ARGS(q, rq),
 572
 573         TP_locvar(
 574                 sector_t sector;
 575                 unsigned int nr_sector;
 576                 unsigned int bytes;
 577                 unsigned char *cmd;
 578                 size_t cmd_len;
 579         ),
 580
 581         TP_code_pre(
 582                 if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
 583                         tp_locvar->sector = 0;
 584                         tp_locvar->nr_sector = 0;
 585                         tp_locvar->bytes = blk_rq_bytes(rq);
 586                         tp_locvar->cmd = rq->cmd;
 587                         tp_locvar->cmd_len = rq->cmd_len;
 588                 } else {
 589                         tp_locvar->sector = blk_rq_pos(rq);
 590                         tp_locvar->nr_sector = blk_rq_sectors(rq);
 591                         tp_locvar->bytes = 0;
 592                         tp_locvar->cmd = NULL;
 593                         tp_locvar->cmd_len = 0;
 594                 }
 595         ),
 596
 597         TP_FIELDS(
 598                 ctf_integer(dev_t, dev,
 599                         rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
 600                 ctf_integer(sector_t, sector, tp_locvar->sector)
 601                 ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
 602                 ctf_integer(unsigned int, bytes, tp_locvar->bytes)
 603                 ctf_integer(pid_t, tid, current->pid)
 604                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 605                         lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
 606                 ctf_sequence_hex(unsigned char, cmd,
 607                         tp_locvar->cmd, size_t, tp_locvar->cmd_len)
 608                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 609         ),
 610
 611         TP_code_post()
 612 )
 613 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
 614
 615 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
 616 /**
 617  * block_rq_insert - insert block operation request into queue
 618  * @rq: block IO operation request
 619  *
 620  * Called immediately before block operation request @rq is inserted
 621  * into queue @q.  The fields in the operation request @rq struct can
 622  * be examined to determine which device and sectors the pending
 623  * operation would access.
 624  */
 625 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert,
 626
 627         TP_PROTO(struct request *rq),
 628
 629         TP_ARGS(rq)
 630 )
 631 #else
 632 /**
 633  * block_rq_insert - insert block operation request into queue
 634  * @q: target queue
 635  * @rq: block IO operation request
 636  *
 637  * Called immediately before block operation request @rq is inserted
 638  * into queue @q.  The fields in the operation request @rq struct can
 639  * be examined to determine which device and sectors the pending
 640  * operation would access.
 641  */
 642 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert,
 643
 644         TP_PROTO(struct request_queue *q, struct request *rq),
 645
 646         TP_ARGS(q, rq)
 647 )
 648 #endif
 649
 650 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
 651 /**
 652  * block_rq_issue - issue pending block IO request operation to device driver
 653  * @rq: block IO operation operation request
 654  *
 655  * Called when block operation request @rq from queue @q is sent to a
 656  * device driver for processing.
 657  */
 658 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue,
 659
 660         TP_PROTO(struct request *rq),
 661
 662         TP_ARGS(rq)
 663 )
 664 #else
 665 /**
 666  * block_rq_issue - issue pending block IO request operation to device driver
 667  * @q: queue holding operation
 668  * @rq: block IO operation operation request
 669  *
 670  * Called when block operation request @rq from queue @q is sent to a
 671  * device driver for processing.
 672  */
 673 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue,
 674
 675         TP_PROTO(struct request_queue *q, struct request *rq),
 676
 677         TP_ARGS(q, rq)
 678 )
 679 #endif
 680
 681 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
 682 /**
 683  * block_rq_merge - merge request with another one in the elevator
 684  * @rq: block IO operation operation request
 685  *
 686  * Called when block operation request @rq from queue @q is merged to another
 687  * request queued in the elevator.
 688  */
 689 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge,
 690
 691         TP_PROTO(struct request *rq),
 692
 693         TP_ARGS(rq)
 694 )
 695 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0))
 696 /**
 697  * block_rq_merge - merge request with another one in the elevator
 698  * @q: queue holding operation
 699  * @rq: block IO operation operation request
 700  *
 701  * Called when block operation request @rq from queue @q is merged to another
 702  * request queued in the elevator.
 703  */
 704 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge,
 705
 706         TP_PROTO(struct request_queue *q, struct request *rq),
 707
 708         TP_ARGS(q, rq)
 709 )
 710 #endif
 711
 712 /**
 713  * block_bio_bounce - used bounce buffer when processing block operation
 714  * @q: queue holding the block operation
 715  * @bio: block operation
 716  *
 717  * A bounce buffer was used to handle the block operation @bio in @q.
 718  * This occurs when hardware limitations prevent a direct transfer of
 719  * data between the @bio data memory area and the IO device.  Use of a
 720  * bounce buffer requires extra copying of data and decreases
 721  * performance.
 722  */
 723 LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
 724
 725         TP_PROTO(struct request_queue *q, struct bio *bio),
 726
 727         TP_ARGS(q, bio),
 728
 729         TP_FIELDS(
 730 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
 731                 ctf_integer(dev_t, dev, bio_dev(bio))
 732 #else
 733                 ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
 734 #endif
 735 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
 736                 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 737                 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
 738                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 739                         lttng_bio_op(bio), lttng_bio_rw(bio),
 740                         bio->bi_iter.bi_size)
 741 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
 742                 ctf_integer(sector_t, sector, bio->bi_sector)
 743                 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
 744                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 745                         lttng_bio_op(bio), lttng_bio_rw(bio),
 746                         bio->bi_size)
 747 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
 748                 ctf_integer(pid_t, tid, current->pid)
 749                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 750         )
 751 )
 752
 753
 754 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
 755 /**
 756  * block_bio_complete - completed all work on the block operation
 757  * @q: queue holding the block operation
 758  * @bio: block operation completed
 759  * @error: io error value
 760  *
 761  * This tracepoint indicates there is no further work to do on this
 762  * block IO operation @bio.
 763  */
 764 LTTNG_TRACEPOINT_EVENT(block_bio_complete,
 765
 766         TP_PROTO(struct request_queue *q, struct bio *bio),
 767
 768         TP_ARGS(q, bio),
 769
 770         TP_FIELDS(
 771                 ctf_integer(dev_t, dev, bio_dev(bio))
 772                 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 773                 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
 774                 ctf_integer(int, error, blk_status_to_errno(bio->bi_status))
 775                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 776                         lttng_bio_op(bio), lttng_bio_rw(bio),
 777                         bio->bi_iter.bi_size)
 778         )
 779 )
 780 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
 781 /**
 782  * block_bio_complete - completed all work on the block operation
 783  * @q: queue holding the block operation
 784  * @bio: block operation completed
 785  * @error: io error value
 786  *
 787  * This tracepoint indicates there is no further work to do on this
 788  * block IO operation @bio.
 789  */
 790 LTTNG_TRACEPOINT_EVENT(block_bio_complete,
 791
 792         TP_PROTO(struct request_queue *q, struct bio *bio, int error),
 793
 794         TP_ARGS(q, bio, error),
 795
 796         TP_FIELDS(
 797                 ctf_integer(dev_t, dev, bio_dev(bio))
 798                 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 799                 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
 800                 ctf_integer(int, error, error)
 801                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 802                         lttng_bio_op(bio), lttng_bio_rw(bio),
 803                         bio->bi_iter.bi_size)
 804         )
 805 )
 806 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
 807 /**
 808  * block_bio_complete - completed all work on the block operation
 809  * @q: queue holding the block operation
 810  * @bio: block operation completed
 811  * @error: io error value
 812  *
 813  * This tracepoint indicates there is no further work to do on this
 814  * block IO operation @bio.
 815  */
 816 LTTNG_TRACEPOINT_EVENT(block_bio_complete,
 817
 818         TP_PROTO(struct request_queue *q, struct bio *bio, int error),
 819
 820         TP_ARGS(q, bio, error),
 821
 822         TP_FIELDS(
 823                 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
 824                 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 825                 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
 826                 ctf_integer(int, error, error)
 827                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 828                         lttng_bio_op(bio), lttng_bio_rw(bio),
 829                         bio->bi_iter.bi_size)
 830         )
 831 )
 832 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
 833 /**
 834  * block_bio_complete - completed all work on the block operation
 835  * @q: queue holding the block operation
 836  * @bio: block operation completed
 837  * @error: io error value
 838  *
 839  * This tracepoint indicates there is no further work to do on this
 840  * block IO operation @bio.
 841  */
 842 LTTNG_TRACEPOINT_EVENT(block_bio_complete,
 843
 844         TP_PROTO(struct request_queue *q, struct bio *bio, int error),
 845
 846         TP_ARGS(q, bio, error),
 847
 848         TP_FIELDS(
 849                 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
 850                 ctf_integer(sector_t, sector, bio->bi_sector)
 851                 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
 852                 ctf_integer(int, error, error)
 853                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 854                         lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
 855         )
 856 )
 857 #else
 858 /**
 859  * block_bio_complete - completed all work on the block operation
 860  * @q: queue holding the block operation
 861  * @bio: block operation completed
 862  * @error: io error value
 863  *
 864  * This tracepoint indicates there is no further work to do on this
 865  * block IO operation @bio.
 866  */
 867 LTTNG_TRACEPOINT_EVENT(block_bio_complete,
 868
 869         TP_PROTO(struct request_queue *q, struct bio *bio),
 870
 871         TP_ARGS(q, bio),
 872
 873         TP_FIELDS(
 874                 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
 875                 ctf_integer(sector_t, sector, bio->bi_sector)
 876                 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
 877                 ctf_integer(int, error, 0)
 878                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 879                         lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
 880         )
 881 )
 882 #endif
 883
 884 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
 885 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
 886
 887         TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
 888
 889         TP_ARGS(q, rq, bio),
 890
 891         TP_FIELDS(
 892 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
 893                 ctf_integer(dev_t, dev, bio_dev(bio))
 894 #else
 895                 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
 896 #endif
 897 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
 898                 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 899                 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
 900                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 901                         lttng_bio_op(bio), lttng_bio_rw(bio),
 902                         bio->bi_iter.bi_size)
 903 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
 904                 ctf_integer(sector_t, sector, bio->bi_sector)
 905                 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
 906                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 907                         lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
 908 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
 909                 ctf_integer(pid_t, tid, current->pid)
 910                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 911         )
 912 )
 913
 914 /**
 915  * block_bio_backmerge - merging block operation to the end of an existing operation
 916  * @q: queue holding operation
 917  * @bio: new block operation to merge
 918  *
 919  * Merging block request @bio to the end of an existing block request
 920  * in queue @q.
 921  */
 922 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge,
 923
 924         TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
 925
 926         TP_ARGS(q, rq, bio)
 927 )
 928
 929 /**
 930  * block_bio_frontmerge - merging block operation to the beginning of an existing operation
 931  * @q: queue holding operation
 932  * @bio: new block operation to merge
 933  *
 934  * Merging block IO operation @bio to the beginning of an existing block
 935  * operation in queue @q.
 936  */
 937 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge,
 938
 939         TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
 940
 941         TP_ARGS(q, rq, bio)
 942 )
 943
 944 /**
 945  * block_bio_queue - putting new block IO operation in queue
 946  * @q: queue holding operation
 947  * @bio: new block operation
 948  *
 949  * About to place the block IO operation @bio into queue @q.
 950  */
 951 LTTNG_TRACEPOINT_EVENT(block_bio_queue,
 952
 953         TP_PROTO(struct request_queue *q, struct bio *bio),
 954
 955         TP_ARGS(q, bio),
 956
 957         TP_FIELDS(
 958 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
 959                 ctf_integer(dev_t, dev, bio_dev(bio))
 960 #else
 961                 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
 962 #endif
 963 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
 964                 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 965                 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
 966                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 967                         lttng_bio_op(bio), lttng_bio_rw(bio),
 968                         bio->bi_iter.bi_size)
 969 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
 970                 ctf_integer(sector_t, sector, bio->bi_sector)
 971                 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
 972                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 973                         lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
 974 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
 975                 ctf_integer(pid_t, tid, current->pid)
 976                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 977         )
 978 )
 979 #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
 980 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio,
 981
 982         TP_PROTO(struct request_queue *q, struct bio *bio),
 983
 984         TP_ARGS(q, bio),
 985
 986         TP_FIELDS(
 987                 ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
 988                 ctf_integer(sector_t, sector, bio->bi_sector)
 989                 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
 990                 blk_rwbs_ctf_integer(unsigned int, rwbs,
 991                         lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
 992                 ctf_integer(pid_t, tid, current->pid)
 993                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 994         )
 995 )
 996
 997 /**
 998  * block_bio_backmerge - merging block operation to the end of an existing operation
 999  * @q: queue holding operation
1000  * @bio: new block operation to merge
1001  *
1002  * Merging block request @bio to the end of an existing block request
1003  * in queue @q.
1004  */
1005 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge,
1006
1007         TP_PROTO(struct request_queue *q, struct bio *bio),
1008
1009         TP_ARGS(q, bio)
1010 )
1011
1012 /**
1013  * block_bio_frontmerge - merging block operation to the beginning of an existing operation
1014  * @q: queue holding operation
1015  * @bio: new block operation to merge
1016  *
1017  * Merging block IO operation @bio to the beginning of an existing block
1018  * operation in queue @q.
1019  */
1020 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge,
1021
1022         TP_PROTO(struct request_queue *q, struct bio *bio),
1023
1024         TP_ARGS(q, bio)
1025 )
1026
1027 /**
1028  * block_bio_queue - putting new block IO operation in queue
1029  * @q: queue holding operation
1030  * @bio: new block operation
1031  *
1032  * About to place the block IO operation @bio into queue @q.
1033  */
1034 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue,
1035
1036         TP_PROTO(struct request_queue *q, struct bio *bio),
1037
1038         TP_ARGS(q, bio)
1039 )
1040 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
1041
1042 LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
1043
1044         TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
1045
1046         TP_ARGS(q, bio, rw),
1047
1048         TP_FIELDS(
1049 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
1050                 ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0)
1051 #else
1052                 ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0)
1053 #endif
1054 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
1055                 ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0)
1056                 ctf_integer(unsigned int, nr_sector,
1057                         bio ? bio_sectors(bio) : 0)
1058                 blk_rwbs_ctf_integer(unsigned int, rwbs,
1059                         bio ? lttng_bio_op(bio) : 0,
1060                         bio ? lttng_bio_rw(bio) : 0,
1061                         bio ? bio->bi_iter.bi_size : 0)
1062 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
1063                 ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0)
1064                 ctf_integer(unsigned int, nr_sector,
1065                         bio ? bio->bi_size >> 9 : 0)
1066                 blk_rwbs_ctf_integer(unsigned int, rwbs,
1067                         bio ? lttng_bio_op(bio) : 0,
1068                         bio ? lttng_bio_rw(bio) : 0,
1069                         bio ? bio->bi_size : 0)
1070 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
1071                 ctf_integer(pid_t, tid, current->pid)
1072                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1073         )
1074 )
1075
1076 /**
1077  * block_getrq - get a free request entry in queue for block IO operations
1078  * @q: queue for operations
1079  * @bio: pending block IO operation (can be %NULL)
1080  * @rw: low bit indicates a read (%0) or a write (%1)
1081  *
1082  * A request struct for queue @q has been allocated to handle the
1083  * block IO operation @bio.
1084  */
1085 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq,
1086
1087         TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
1088
1089         TP_ARGS(q, bio, rw)
1090 )
1091
1092 /**
1093  * block_sleeprq - waiting to get a free request entry in queue for block IO operation
1094  * @q: queue for operation
1095  * @bio: pending block IO operation (can be %NULL)
1096  * @rw: low bit indicates a read (%0) or a write (%1)
1097  *
1098  * In the case where a request struct cannot be provided for queue @q
1099  * the process needs to wait for an request struct to become
1100  * available.  This tracepoint event is generated each time the
1101  * process goes to sleep waiting for request struct become available.
1102  */
1103 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq,
1104
1105         TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
1106
1107         TP_ARGS(q, bio, rw)
1108 )
1109
1110 /**
1111  * block_plug - keep operations requests in request queue
1112  * @q: request queue to plug
1113  *
1114  * Plug the request queue @q.  Do not allow block operation requests
1115  * to be sent to the device driver. Instead, accumulate requests in
1116  * the queue to improve throughput performance of the block device.
1117  */
1118 LTTNG_TRACEPOINT_EVENT(block_plug,
1119
1120         TP_PROTO(struct request_queue *q),
1121
1122         TP_ARGS(q),
1123
1124         TP_FIELDS(
1125                 ctf_integer(pid_t, tid, current->pid)
1126                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1127         )
1128 )
1129
1130 LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug,
1131
1132 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
1133         TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
1134
1135         TP_ARGS(q, depth, explicit),
1136 #else
1137         TP_PROTO(struct request_queue *q),
1138
1139         TP_ARGS(q),
1140 #endif
1141
1142         TP_FIELDS(
1143 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
1144                 ctf_integer(int, nr_rq, depth)
1145 #else
1146                 ctf_integer(int, nr_rq, q->rq.count[READ] + q->rq.count[WRITE])
1147 #endif
1148                 ctf_integer(pid_t, tid, current->pid)
1149                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1150         )
1151 )
1152
1153 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39))
1154 /**
1155  * block_unplug_timer - timed release of operations requests in queue to device driver
1156  * @q: request queue to unplug
1157  *
1158  * Unplug the request queue @q because a timer expired and allow block
1159  * operation requests to be sent to the device driver.
1160  */
1161 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_timer,
1162
1163         TP_PROTO(struct request_queue *q),
1164
1165         TP_ARGS(q)
1166 )
1167 #endif
1168
1169 /**
1170  * block_unplug - release of operations requests in request queue
1171  * @q: request queue to unplug
1172  * @depth: number of requests just added to the queue
1173  * @explicit: whether this was an explicit unplug, or one from schedule()
1174  *
1175  * Unplug request queue @q because device driver is scheduled to work
1176  * on elements in the request queue.
1177  */
1178 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
1179 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug,
1180 #else
1181 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_io,
1182 #endif
1183
1184 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
1185         TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
1186
1187         TP_ARGS(q, depth, explicit)
1188 #else
1189         TP_PROTO(struct request_queue *q),
1190
1191         TP_ARGS(q)
1192 #endif
1193 )
1194
1195 /**
1196  * block_split - split a single bio struct into two bio structs
1197  * @q: queue containing the bio
1198  * @bio: block operation being split
1199  * @new_sector: The starting sector for the new bio
1200  *
1201  * The bio request @bio in request queue @q needs to be split into two
1202  * bio requests. The newly created @bio request starts at
1203  * @new_sector. This split may be required due to hardware limitation
1204  * such as operation crossing device boundaries in a RAID system.
1205  */
1206 LTTNG_TRACEPOINT_EVENT(block_split,
1207
1208         TP_PROTO(struct request_queue *q, struct bio *bio,
1209                  unsigned int new_sector),
1210
1211         TP_ARGS(q, bio, new_sector),
1212
1213         TP_FIELDS(
1214 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
1215                 ctf_integer(dev_t, dev, bio_dev(bio))
1216 #else
1217                 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
1218 #endif
1219 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
1220                 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1221                 blk_rwbs_ctf_integer(unsigned int, rwbs,
1222                         lttng_bio_op(bio), lttng_bio_rw(bio),
1223                         bio->bi_iter.bi_size)
1224 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
1225                 ctf_integer(sector_t, sector, bio->bi_sector)
1226                 blk_rwbs_ctf_integer(unsigned int, rwbs,
1227                         lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
1228 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
1229                 ctf_integer(sector_t, new_sector, new_sector)
1230                 ctf_integer(pid_t, tid, current->pid)
1231                 ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
1232         )
1233 )
1234
1235 /**
1236  * block_bio_remap - map request for a logical device to the raw device
1237  * @q: queue holding the operation
1238  * @bio: revised operation
1239  * @dev: device for the operation
1240  * @from: original sector for the operation
1241  *
1242  * An operation for a logical device has been mapped to the
1243  * raw block device.
1244  */
1245 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
1246 LTTNG_TRACEPOINT_EVENT(block_bio_remap,
1247 #else
1248 LTTNG_TRACEPOINT_EVENT(block_remap,
1249 #endif
1250
1251         TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
1252                  sector_t from),
1253
1254         TP_ARGS(q, bio, dev, from),
1255
1256         TP_FIELDS(
1257 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
1258                 ctf_integer(dev_t, dev, bio_dev(bio))
1259 #else
1260                 ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
1261 #endif
1262 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
1263                 ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
1264                 ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
1265                 blk_rwbs_ctf_integer(unsigned int, rwbs,
1266                         lttng_bio_op(bio), lttng_bio_rw(bio),
1267                         bio->bi_iter.bi_size)
1268 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
1269                 ctf_integer(sector_t, sector, bio->bi_sector)
1270                 ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
1271                 blk_rwbs_ctf_integer(unsigned int, rwbs,
1272                         lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
1273 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
1274                 ctf_integer(dev_t, old_dev, dev)
1275                 ctf_integer(sector_t, old_sector, from)
1276         )
1277 )
1278
1279 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
1280 /**
1281  * block_rq_remap - map request for a block operation request
1282  * @rq: block IO operation request
1283  * @dev: device for the operation
1284  * @from: original sector for the operation
1285  *
1286  * The block operation request @rq in @q has been remapped.  The block
1287  * operation request @rq holds the current information and @from hold
1288  * the original sector.
1289  */
1290 LTTNG_TRACEPOINT_EVENT(block_rq_remap,
1291
1292         TP_PROTO(struct request *rq, dev_t dev, sector_t from),
1293
1294         TP_ARGS(rq, dev, from),
1295
1296         TP_FIELDS(
1297                 ctf_integer(dev_t, dev, disk_devt(rq->rq_disk))
1298                 ctf_integer(sector_t, sector, blk_rq_pos(rq))
1299                 ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq))
1300                 ctf_integer(dev_t, old_dev, dev)
1301                 ctf_integer(sector_t, old_sector, from)
1302                 blk_rwbs_ctf_integer(unsigned int, rwbs,
1303                         lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
1304         )
1305 )
1306 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
1307 /**
1308  * block_rq_remap - map request for a block operation request
1309  * @q: queue holding the operation
1310  * @rq: block IO operation request
1311  * @dev: device for the operation
1312  * @from: original sector for the operation
1313  *
1314  * The block operation request @rq in @q has been remapped.  The block
1315  * operation request @rq holds the current information and @from hold
1316  * the original sector.
1317  */
1318 LTTNG_TRACEPOINT_EVENT(block_rq_remap,
1319
1320         TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev,
1321                  sector_t from),
1322
1323         TP_ARGS(q, rq, dev, from),
1324
1325         TP_FIELDS(
1326                 ctf_integer(dev_t, dev, disk_devt(rq->rq_disk))
1327                 ctf_integer(sector_t, sector, blk_rq_pos(rq))
1328                 ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq))
1329                 ctf_integer(dev_t, old_dev, dev)
1330                 ctf_integer(sector_t, old_sector, from)
1331                 blk_rwbs_ctf_integer(unsigned int, rwbs,
1332                         lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
1333         )
1334 )
1335 #endif
1336
1337 #undef __print_rwbs_flags
1338 #undef blk_fill_rwbs
1339
1340 #endif /* LTTNG_TRACE_BLOCK_H */
1341
1342 /* This part must be outside protection */
1343 #include <probes/define_trace.h>