include/trace/events/block.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM block
   3
   4 #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_BLOCK_H
   6
   7 #include <linux/blktrace_api.h>
   8 #include <linux/blkdev.h>
   9 #include <linux/tracepoint.h>
  10
  11 DECLARE_EVENT_CLASS(block_rq_with_error,
  12
  13         TP_PROTO(struct request_queue *q, struct request *rq),
  14
  15         TP_ARGS(q, rq),
  16
  17         TP_STRUCT__entry(
  18                 __field(  dev_t,        dev                     )
  19                 __field(  sector_t,     sector                  )
  20                 __field(  unsigned int, nr_sector               )
  21                 __field(  int,          errors                  )
  22                 __array(  char,         rwbs,   6               )
  23                 __dynamic_array( char,  cmd,    blk_cmd_buf_len(rq)     )
  24         ),
  25
  26         TP_fast_assign(
  27                 __entry->dev       = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
  28                 __entry->sector    = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
  29                 __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
  30                 __entry->errors    = rq->errors;
  31
  32                 blk_fill_rwbs_rq(__entry->rwbs, rq);
  33                 blk_dump_cmd(__get_str(cmd), rq);
  34         ),
  35
  36         TP_printk("%d,%d %s (%s) %llu + %u [%d]",
  37                   MAJOR(__entry->dev), MINOR(__entry->dev),
  38                   __entry->rwbs, __get_str(cmd),
  39                   (unsigned long long)__entry->sector,
  40                   __entry->nr_sector, __entry->errors)
  41 );
  42
  43 DEFINE_EVENT(block_rq_with_error, block_rq_abort,
  44
  45         TP_PROTO(struct request_queue *q, struct request *rq),
  46
  47         TP_ARGS(q, rq)
  48 );
  49
  50 DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
  51
  52         TP_PROTO(struct request_queue *q, struct request *rq),
  53
  54         TP_ARGS(q, rq)
  55 );
  56
  57 DEFINE_EVENT(block_rq_with_error, block_rq_complete,
  58
  59         TP_PROTO(struct request_queue *q, struct request *rq),
  60
  61         TP_ARGS(q, rq)
  62 );
  63
  64 DECLARE_EVENT_CLASS(block_rq,
  65
  66         TP_PROTO(struct request_queue *q, struct request *rq),
  67
  68         TP_ARGS(q, rq),
  69
  70         TP_STRUCT__entry(
  71                 __field(  dev_t,        dev                     )
  72                 __field(  sector_t,     sector                  )
  73                 __field(  unsigned int, nr_sector               )
  74                 __field(  unsigned int, bytes                   )
  75                 __array(  char,         rwbs,   6               )
  76                 __array(  char,         comm,   TASK_COMM_LEN   )
  77                 __dynamic_array( char,  cmd,    blk_cmd_buf_len(rq)     )
  78         ),
  79
  80         TP_fast_assign(
  81                 __entry->dev       = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
  82                 __entry->sector    = blk_pc_request(rq) ? 0 : blk_rq_pos(rq);
  83                 __entry->nr_sector = blk_pc_request(rq) ? 0 : blk_rq_sectors(rq);
  84                 __entry->bytes     = blk_pc_request(rq) ? blk_rq_bytes(rq) : 0;
  85
  86                 blk_fill_rwbs_rq(__entry->rwbs, rq);
  87                 blk_dump_cmd(__get_str(cmd), rq);
  88                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
  89         ),
  90
  91         TP_printk("%d,%d %s %u (%s) %llu + %u [%s]",
  92                   MAJOR(__entry->dev), MINOR(__entry->dev),
  93                   __entry->rwbs, __entry->bytes, __get_str(cmd),
  94                   (unsigned long long)__entry->sector,
  95                   __entry->nr_sector, __entry->comm)
  96 );
  97
  98 DEFINE_EVENT(block_rq, block_rq_insert,
  99
 100         TP_PROTO(struct request_queue *q, struct request *rq),
 101
 102         TP_ARGS(q, rq)
 103 );
 104
 105 DEFINE_EVENT(block_rq, block_rq_issue,
 106
 107         TP_PROTO(struct request_queue *q, struct request *rq),
 108
 109         TP_ARGS(q, rq)
 110 );
 111
 112 TRACE_EVENT(block_bio_bounce,
 113
 114         TP_PROTO(struct request_queue *q, struct bio *bio),
 115
 116         TP_ARGS(q, bio),
 117
 118         TP_STRUCT__entry(
 119                 __field( dev_t,         dev                     )
 120                 __field( sector_t,      sector                  )
 121                 __field( unsigned int,  nr_sector               )
 122                 __array( char,          rwbs,   6               )
 123                 __array( char,          comm,   TASK_COMM_LEN   )
 124         ),
 125
 126         TP_fast_assign(
 127                 __entry->dev            = bio->bi_bdev ?
 128                                           bio->bi_bdev->bd_dev : 0;
 129                 __entry->sector         = bio->bi_sector;
 130                 __entry->nr_sector      = bio->bi_size >> 9;
 131                 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
 132                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
 133         ),
 134
 135         TP_printk("%d,%d %s %llu + %u [%s]",
 136                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 137                   (unsigned long long)__entry->sector,
 138                   __entry->nr_sector, __entry->comm)
 139 );
 140
 141 TRACE_EVENT(block_bio_complete,
 142
 143         TP_PROTO(struct request_queue *q, struct bio *bio),
 144
 145         TP_ARGS(q, bio),
 146
 147         TP_STRUCT__entry(
 148                 __field( dev_t,         dev             )
 149                 __field( sector_t,      sector          )
 150                 __field( unsigned,      nr_sector       )
 151                 __field( int,           error           )
 152                 __array( char,          rwbs,   6       )
 153         ),
 154
 155         TP_fast_assign(
 156                 __entry->dev            = bio->bi_bdev->bd_dev;
 157                 __entry->sector         = bio->bi_sector;
 158                 __entry->nr_sector      = bio->bi_size >> 9;
 159                 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
 160         ),
 161
 162         TP_printk("%d,%d %s %llu + %u [%d]",
 163                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 164                   (unsigned long long)__entry->sector,
 165                   __entry->nr_sector, __entry->error)
 166 );
 167
 168 DECLARE_EVENT_CLASS(block_bio,
 169
 170         TP_PROTO(struct request_queue *q, struct bio *bio),
 171
 172         TP_ARGS(q, bio),
 173
 174         TP_STRUCT__entry(
 175                 __field( dev_t,         dev                     )
 176                 __field( sector_t,      sector                  )
 177                 __field( unsigned int,  nr_sector               )
 178                 __array( char,          rwbs,   6               )
 179                 __array( char,          comm,   TASK_COMM_LEN   )
 180         ),
 181
 182         TP_fast_assign(
 183                 __entry->dev            = bio->bi_bdev->bd_dev;
 184                 __entry->sector         = bio->bi_sector;
 185                 __entry->nr_sector      = bio->bi_size >> 9;
 186                 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
 187                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
 188         ),
 189
 190         TP_printk("%d,%d %s %llu + %u [%s]",
 191                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 192                   (unsigned long long)__entry->sector,
 193                   __entry->nr_sector, __entry->comm)
 194 );
 195
 196 DEFINE_EVENT(block_bio, block_bio_backmerge,
 197
 198         TP_PROTO(struct request_queue *q, struct bio *bio),
 199
 200         TP_ARGS(q, bio)
 201 );
 202
 203 DEFINE_EVENT(block_bio, block_bio_frontmerge,
 204
 205         TP_PROTO(struct request_queue *q, struct bio *bio),
 206
 207         TP_ARGS(q, bio)
 208 );
 209
 210 DEFINE_EVENT(block_bio, block_bio_queue,
 211
 212         TP_PROTO(struct request_queue *q, struct bio *bio),
 213
 214         TP_ARGS(q, bio)
 215 );
 216
 217 DECLARE_EVENT_CLASS(block_get_rq,
 218
 219         TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
 220
 221         TP_ARGS(q, bio, rw),
 222
 223         TP_STRUCT__entry(
 224                 __field( dev_t,         dev                     )
 225                 __field( sector_t,      sector                  )
 226                 __field( unsigned int,  nr_sector               )
 227                 __array( char,          rwbs,   6               )
 228                 __array( char,          comm,   TASK_COMM_LEN   )
 229         ),
 230
 231         TP_fast_assign(
 232                 __entry->dev            = bio ? bio->bi_bdev->bd_dev : 0;
 233                 __entry->sector         = bio ? bio->bi_sector : 0;
 234                 __entry->nr_sector      = bio ? bio->bi_size >> 9 : 0;
 235                 blk_fill_rwbs(__entry->rwbs,
 236                               bio ? bio->bi_rw : 0, __entry->nr_sector);
 237                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
 238         ),
 239
 240         TP_printk("%d,%d %s %llu + %u [%s]",
 241                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 242                   (unsigned long long)__entry->sector,
 243                   __entry->nr_sector, __entry->comm)
 244 );
 245
 246 DEFINE_EVENT(block_get_rq, block_getrq,
 247
 248         TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
 249
 250         TP_ARGS(q, bio, rw)
 251 );
 252
 253 DEFINE_EVENT(block_get_rq, block_sleeprq,
 254
 255         TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
 256
 257         TP_ARGS(q, bio, rw)
 258 );
 259
 260 TRACE_EVENT(block_plug,
 261
 262         TP_PROTO(struct request_queue *q),
 263
 264         TP_ARGS(q),
 265
 266         TP_STRUCT__entry(
 267                 __array( char,          comm,   TASK_COMM_LEN   )
 268         ),
 269
 270         TP_fast_assign(
 271                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
 272         ),
 273
 274         TP_printk("[%s]", __entry->comm)
 275 );
 276
 277 DECLARE_EVENT_CLASS(block_unplug,
 278
 279         TP_PROTO(struct request_queue *q),
 280
 281         TP_ARGS(q),
 282
 283         TP_STRUCT__entry(
 284                 __field( int,           nr_rq                   )
 285                 __array( char,          comm,   TASK_COMM_LEN   )
 286         ),
 287
 288         TP_fast_assign(
 289                 __entry->nr_rq  = q->rq.count[READ] + q->rq.count[WRITE];
 290                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
 291         ),
 292
 293         TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
 294 );
 295
 296 DEFINE_EVENT(block_unplug, block_unplug_timer,
 297
 298         TP_PROTO(struct request_queue *q),
 299
 300         TP_ARGS(q)
 301 );
 302
 303 DEFINE_EVENT(block_unplug, block_unplug_io,
 304
 305         TP_PROTO(struct request_queue *q),
 306
 307         TP_ARGS(q)
 308 );
 309
 310 TRACE_EVENT(block_split,
 311
 312         TP_PROTO(struct request_queue *q, struct bio *bio,
 313                  unsigned int new_sector),
 314
 315         TP_ARGS(q, bio, new_sector),
 316
 317         TP_STRUCT__entry(
 318                 __field( dev_t,         dev                             )
 319                 __field( sector_t,      sector                          )
 320                 __field( sector_t,      new_sector                      )
 321                 __array( char,          rwbs,           6               )
 322                 __array( char,          comm,           TASK_COMM_LEN   )
 323         ),
 324
 325         TP_fast_assign(
 326                 __entry->dev            = bio->bi_bdev->bd_dev;
 327                 __entry->sector         = bio->bi_sector;
 328                 __entry->new_sector     = new_sector;
 329                 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
 330                 memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
 331         ),
 332
 333         TP_printk("%d,%d %s %llu / %llu [%s]",
 334                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 335                   (unsigned long long)__entry->sector,
 336                   (unsigned long long)__entry->new_sector,
 337                   __entry->comm)
 338 );
 339
 340 TRACE_EVENT(block_remap,
 341
 342         TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
 343                  sector_t from),
 344
 345         TP_ARGS(q, bio, dev, from),
 346
 347         TP_STRUCT__entry(
 348                 __field( dev_t,         dev             )
 349                 __field( sector_t,      sector          )
 350                 __field( unsigned int,  nr_sector       )
 351                 __field( dev_t,         old_dev         )
 352                 __field( sector_t,      old_sector      )
 353                 __array( char,          rwbs,   6       )
 354         ),
 355
 356         TP_fast_assign(
 357                 __entry->dev            = bio->bi_bdev->bd_dev;
 358                 __entry->sector         = bio->bi_sector;
 359                 __entry->nr_sector      = bio->bi_size >> 9;
 360                 __entry->old_dev        = dev;
 361                 __entry->old_sector     = from;
 362                 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
 363         ),
 364
 365         TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
 366                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 367                   (unsigned long long)__entry->sector,
 368                   __entry->nr_sector,
 369                   MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
 370                   (unsigned long long)__entry->old_sector)
 371 );
 372
 373 TRACE_EVENT(block_rq_remap,
 374
 375         TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev,
 376                  sector_t from),
 377
 378         TP_ARGS(q, rq, dev, from),
 379
 380         TP_STRUCT__entry(
 381                 __field( dev_t,         dev             )
 382                 __field( sector_t,      sector          )
 383                 __field( unsigned int,  nr_sector       )
 384                 __field( dev_t,         old_dev         )
 385                 __field( sector_t,      old_sector      )
 386                 __array( char,          rwbs,   6       )
 387         ),
 388
 389         TP_fast_assign(
 390                 __entry->dev            = disk_devt(rq->rq_disk);
 391                 __entry->sector         = blk_rq_pos(rq);
 392                 __entry->nr_sector      = blk_rq_sectors(rq);
 393                 __entry->old_dev        = dev;
 394                 __entry->old_sector     = from;
 395                 blk_fill_rwbs_rq(__entry->rwbs, rq);
 396         ),
 397
 398         TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
 399                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 400                   (unsigned long long)__entry->sector,
 401                   __entry->nr_sector,
 402                   MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
 403                   (unsigned long long)__entry->old_sector)
 404 );
 405
 406 #endif /* _TRACE_BLOCK_H */
 407
 408 /* This part must be outside protection */
 409 #include <trace/define_trace.h>
 410