git.sesse.net Git - bcachefs-tools-debian/blob - include/trace/events/bcachefs.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM bcachefs
   4
   5 #if !defined(_TRACE_BCACHE_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_BCACHE_H
   7
   8 #include <linux/tracepoint.h>
   9
  10 #define TRACE_BPOS_entries(name)                                \
  11         __field(u64,                    name##_inode    )       \
  12         __field(u64,                    name##_offset   )       \
  13         __field(u32,                    name##_snapshot )
  14
  15 #define TRACE_BPOS_assign(dst, src)                             \
  16         __entry->dst##_inode            = (src).inode;          \
  17         __entry->dst##_offset           = (src).offset;         \
  18         __entry->dst##_snapshot         = (src).snapshot
  19
  20 DECLARE_EVENT_CLASS(bpos,
  21         TP_PROTO(const struct bpos *p),
  22         TP_ARGS(p),
  23
  24         TP_STRUCT__entry(
  25                 TRACE_BPOS_entries(p)
  26         ),
  27
  28         TP_fast_assign(
  29                 TRACE_BPOS_assign(p, *p);
  30         ),
  31
  32         TP_printk("%llu:%llu:%u", __entry->p_inode, __entry->p_offset, __entry->p_snapshot)
  33 );
  34
  35 DECLARE_EVENT_CLASS(bkey,
  36         TP_PROTO(const struct bkey *k),
  37         TP_ARGS(k),
  38
  39         TP_STRUCT__entry(
  40                 __field(u64,    inode                           )
  41                 __field(u64,    offset                          )
  42                 __field(u32,    size                            )
  43         ),
  44
  45         TP_fast_assign(
  46                 __entry->inode  = k->p.inode;
  47                 __entry->offset = k->p.offset;
  48                 __entry->size   = k->size;
  49         ),
  50
  51         TP_printk("%llu:%llu len %u", __entry->inode,
  52                   __entry->offset, __entry->size)
  53 );
  54
  55 DECLARE_EVENT_CLASS(btree_node,
  56         TP_PROTO(struct bch_fs *c, struct btree *b),
  57         TP_ARGS(c, b),
  58
  59         TP_STRUCT__entry(
  60                 __field(dev_t,          dev                     )
  61                 __field(u8,             level                   )
  62                 __field(u8,             btree_id                )
  63                 TRACE_BPOS_entries(pos)
  64         ),
  65
  66         TP_fast_assign(
  67                 __entry->dev            = c->dev;
  68                 __entry->level          = b->c.level;
  69                 __entry->btree_id       = b->c.btree_id;
  70                 TRACE_BPOS_assign(pos, b->key.k.p);
  71         ),
  72
  73         TP_printk("%d,%d %u %s %llu:%llu:%u",
  74                   MAJOR(__entry->dev), MINOR(__entry->dev),
  75                   __entry->level,
  76                   bch2_btree_ids[__entry->btree_id],
  77                   __entry->pos_inode, __entry->pos_offset, __entry->pos_snapshot)
  78 );
  79
  80 DECLARE_EVENT_CLASS(bch_fs,
  81         TP_PROTO(struct bch_fs *c),
  82         TP_ARGS(c),
  83
  84         TP_STRUCT__entry(
  85                 __field(dev_t,          dev                     )
  86         ),
  87
  88         TP_fast_assign(
  89                 __entry->dev            = c->dev;
  90         ),
  91
  92         TP_printk("%d,%d", MAJOR(__entry->dev), MINOR(__entry->dev))
  93 );
  94
  95 DECLARE_EVENT_CLASS(bio,
  96         TP_PROTO(struct bio *bio),
  97         TP_ARGS(bio),
  98
  99         TP_STRUCT__entry(
 100                 __field(dev_t,          dev                     )
 101                 __field(sector_t,       sector                  )
 102                 __field(unsigned int,   nr_sector               )
 103                 __array(char,           rwbs,   6               )
 104         ),
 105
 106         TP_fast_assign(
 107                 __entry->dev            = bio->bi_bdev ? bio_dev(bio) : 0;
 108                 __entry->sector         = bio->bi_iter.bi_sector;
 109                 __entry->nr_sector      = bio->bi_iter.bi_size >> 9;
 110                 blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
 111         ),
 112
 113         TP_printk("%d,%d  %s %llu + %u",
 114                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 115                   (unsigned long long)__entry->sector, __entry->nr_sector)
 116 );
 117
 118 /* super-io.c: */
 119 TRACE_EVENT(write_super,
 120         TP_PROTO(struct bch_fs *c, unsigned long ip),
 121         TP_ARGS(c, ip),
 122
 123         TP_STRUCT__entry(
 124                 __field(dev_t,          dev     )
 125                 __field(unsigned long,  ip      )
 126         ),
 127
 128         TP_fast_assign(
 129                 __entry->dev            = c->dev;
 130                 __entry->ip             = ip;
 131         ),
 132
 133         TP_printk("%d,%d for %pS",
 134                   MAJOR(__entry->dev), MINOR(__entry->dev),
 135                   (void *) __entry->ip)
 136 );
 137
 138 /* io.c: */
 139
 140 DEFINE_EVENT(bio, read_promote,
 141         TP_PROTO(struct bio *bio),
 142         TP_ARGS(bio)
 143 );
 144
 145 DEFINE_EVENT(bio, read_bounce,
 146         TP_PROTO(struct bio *bio),
 147         TP_ARGS(bio)
 148 );
 149
 150 DEFINE_EVENT(bio, read_split,
 151         TP_PROTO(struct bio *bio),
 152         TP_ARGS(bio)
 153 );
 154
 155 DEFINE_EVENT(bio, read_retry,
 156         TP_PROTO(struct bio *bio),
 157         TP_ARGS(bio)
 158 );
 159
 160 DEFINE_EVENT(bio, read_reuse_race,
 161         TP_PROTO(struct bio *bio),
 162         TP_ARGS(bio)
 163 );
 164
 165 /* Journal */
 166
 167 DEFINE_EVENT(bch_fs, journal_full,
 168         TP_PROTO(struct bch_fs *c),
 169         TP_ARGS(c)
 170 );
 171
 172 DEFINE_EVENT(bch_fs, journal_entry_full,
 173         TP_PROTO(struct bch_fs *c),
 174         TP_ARGS(c)
 175 );
 176
 177 DEFINE_EVENT(bio, journal_write,
 178         TP_PROTO(struct bio *bio),
 179         TP_ARGS(bio)
 180 );
 181
 182 TRACE_EVENT(journal_reclaim_start,
 183         TP_PROTO(struct bch_fs *c, bool direct, bool kicked,
 184                  u64 min_nr, u64 min_key_cache,
 185                  u64 prereserved, u64 prereserved_total,
 186                  u64 btree_cache_dirty, u64 btree_cache_total,
 187                  u64 btree_key_cache_dirty, u64 btree_key_cache_total),
 188         TP_ARGS(c, direct, kicked, min_nr, min_key_cache, prereserved, prereserved_total,
 189                 btree_cache_dirty, btree_cache_total,
 190                 btree_key_cache_dirty, btree_key_cache_total),
 191
 192         TP_STRUCT__entry(
 193                 __field(dev_t,          dev                     )
 194                 __field(bool,           direct                  )
 195                 __field(bool,           kicked                  )
 196                 __field(u64,            min_nr                  )
 197                 __field(u64,            min_key_cache           )
 198                 __field(u64,            prereserved             )
 199                 __field(u64,            prereserved_total       )
 200                 __field(u64,            btree_cache_dirty       )
 201                 __field(u64,            btree_cache_total       )
 202                 __field(u64,            btree_key_cache_dirty   )
 203                 __field(u64,            btree_key_cache_total   )
 204         ),
 205
 206         TP_fast_assign(
 207                 __entry->dev                    = c->dev;
 208                 __entry->direct                 = direct;
 209                 __entry->kicked                 = kicked;
 210                 __entry->min_nr                 = min_nr;
 211                 __entry->min_key_cache          = min_key_cache;
 212                 __entry->prereserved            = prereserved;
 213                 __entry->prereserved_total      = prereserved_total;
 214                 __entry->btree_cache_dirty      = btree_cache_dirty;
 215                 __entry->btree_cache_total      = btree_cache_total;
 216                 __entry->btree_key_cache_dirty  = btree_key_cache_dirty;
 217                 __entry->btree_key_cache_total  = btree_key_cache_total;
 218         ),
 219
 220         TP_printk("%d,%d direct %u kicked %u min %llu key cache %llu prereserved %llu/%llu btree cache %llu/%llu key cache %llu/%llu",
 221                   MAJOR(__entry->dev), MINOR(__entry->dev),
 222                   __entry->direct,
 223                   __entry->kicked,
 224                   __entry->min_nr,
 225                   __entry->min_key_cache,
 226                   __entry->prereserved,
 227                   __entry->prereserved_total,
 228                   __entry->btree_cache_dirty,
 229                   __entry->btree_cache_total,
 230                   __entry->btree_key_cache_dirty,
 231                   __entry->btree_key_cache_total)
 232 );
 233
 234 TRACE_EVENT(journal_reclaim_finish,
 235         TP_PROTO(struct bch_fs *c, u64 nr_flushed),
 236         TP_ARGS(c, nr_flushed),
 237
 238         TP_STRUCT__entry(
 239                 __field(dev_t,          dev                     )
 240                 __field(u64,            nr_flushed              )
 241         ),
 242
 243         TP_fast_assign(
 244                 __entry->dev            = c->dev;
 245                 __entry->nr_flushed     = nr_flushed;
 246         ),
 247
 248         TP_printk("%d,%d flushed %llu",
 249                   MAJOR(__entry->dev), MINOR(__entry->dev),
 250                   __entry->nr_flushed)
 251 );
 252
 253 /* bset.c: */
 254
 255 DEFINE_EVENT(bpos, bkey_pack_pos_fail,
 256         TP_PROTO(const struct bpos *p),
 257         TP_ARGS(p)
 258 );
 259
 260 /* Btree cache: */
 261
 262 TRACE_EVENT(btree_cache_scan,
 263         TP_PROTO(long nr_to_scan, long can_free, long ret),
 264         TP_ARGS(nr_to_scan, can_free, ret),
 265
 266         TP_STRUCT__entry(
 267                 __field(long,   nr_to_scan              )
 268                 __field(long,   can_free                )
 269                 __field(long,   ret                     )
 270         ),
 271
 272         TP_fast_assign(
 273                 __entry->nr_to_scan     = nr_to_scan;
 274                 __entry->can_free       = can_free;
 275                 __entry->ret            = ret;
 276         ),
 277
 278         TP_printk("scanned for %li nodes, can free %li, ret %li",
 279                   __entry->nr_to_scan, __entry->can_free, __entry->ret)
 280 );
 281
 282 DEFINE_EVENT(btree_node, btree_cache_reap,
 283         TP_PROTO(struct bch_fs *c, struct btree *b),
 284         TP_ARGS(c, b)
 285 );
 286
 287 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_lock_fail,
 288         TP_PROTO(struct bch_fs *c),
 289         TP_ARGS(c)
 290 );
 291
 292 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_lock,
 293         TP_PROTO(struct bch_fs *c),
 294         TP_ARGS(c)
 295 );
 296
 297 DEFINE_EVENT(bch_fs, btree_cache_cannibalize,
 298         TP_PROTO(struct bch_fs *c),
 299         TP_ARGS(c)
 300 );
 301
 302 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_unlock,
 303         TP_PROTO(struct bch_fs *c),
 304         TP_ARGS(c)
 305 );
 306
 307 /* Btree */
 308
 309 DEFINE_EVENT(btree_node, btree_node_read,
 310         TP_PROTO(struct bch_fs *c, struct btree *b),
 311         TP_ARGS(c, b)
 312 );
 313
 314 TRACE_EVENT(btree_node_write,
 315         TP_PROTO(struct btree *b, unsigned bytes, unsigned sectors),
 316         TP_ARGS(b, bytes, sectors),
 317
 318         TP_STRUCT__entry(
 319                 __field(enum btree_node_type,   type)
 320                 __field(unsigned,       bytes                   )
 321                 __field(unsigned,       sectors                 )
 322         ),
 323
 324         TP_fast_assign(
 325                 __entry->type   = btree_node_type(b);
 326                 __entry->bytes  = bytes;
 327                 __entry->sectors = sectors;
 328         ),
 329
 330         TP_printk("bkey type %u bytes %u sectors %u",
 331                   __entry->type , __entry->bytes, __entry->sectors)
 332 );
 333
 334 DEFINE_EVENT(btree_node, btree_node_alloc,
 335         TP_PROTO(struct bch_fs *c, struct btree *b),
 336         TP_ARGS(c, b)
 337 );
 338
 339 DEFINE_EVENT(btree_node, btree_node_free,
 340         TP_PROTO(struct bch_fs *c, struct btree *b),
 341         TP_ARGS(c, b)
 342 );
 343
 344 TRACE_EVENT(btree_reserve_get_fail,
 345         TP_PROTO(const char *trans_fn,
 346                  unsigned long caller_ip,
 347                  size_t required,
 348                  int ret),
 349         TP_ARGS(trans_fn, caller_ip, required, ret),
 350
 351         TP_STRUCT__entry(
 352                 __array(char,                   trans_fn, 32    )
 353                 __field(unsigned long,          caller_ip       )
 354                 __field(size_t,                 required        )
 355                 __array(char,                   ret, 32         )
 356         ),
 357
 358         TP_fast_assign(
 359                 strscpy(__entry->trans_fn, trans_fn, sizeof(__entry->trans_fn));
 360                 __entry->caller_ip      = caller_ip;
 361                 __entry->required       = required;
 362                 strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
 363         ),
 364
 365         TP_printk("%s %pS required %zu ret %s",
 366                   __entry->trans_fn,
 367                   (void *) __entry->caller_ip,
 368                   __entry->required,
 369                   __entry->ret)
 370 );
 371
 372 DEFINE_EVENT(btree_node, btree_node_compact,
 373         TP_PROTO(struct bch_fs *c, struct btree *b),
 374         TP_ARGS(c, b)
 375 );
 376
 377 DEFINE_EVENT(btree_node, btree_node_merge,
 378         TP_PROTO(struct bch_fs *c, struct btree *b),
 379         TP_ARGS(c, b)
 380 );
 381
 382 DEFINE_EVENT(btree_node, btree_node_split,
 383         TP_PROTO(struct bch_fs *c, struct btree *b),
 384         TP_ARGS(c, b)
 385 );
 386
 387 DEFINE_EVENT(btree_node, btree_node_rewrite,
 388         TP_PROTO(struct bch_fs *c, struct btree *b),
 389         TP_ARGS(c, b)
 390 );
 391
 392 DEFINE_EVENT(btree_node, btree_node_set_root,
 393         TP_PROTO(struct bch_fs *c, struct btree *b),
 394         TP_ARGS(c, b)
 395 );
 396
 397 TRACE_EVENT(btree_path_relock_fail,
 398         TP_PROTO(struct btree_trans *trans,
 399                  unsigned long caller_ip,
 400                  struct btree_path *path,
 401                  unsigned level),
 402         TP_ARGS(trans, caller_ip, path, level),
 403
 404         TP_STRUCT__entry(
 405                 __array(char,                   trans_fn, 32    )
 406                 __field(unsigned long,          caller_ip       )
 407                 __field(u8,                     btree_id        )
 408                 __field(u8,                     level           )
 409                 TRACE_BPOS_entries(pos)
 410                 __array(char,                   node, 24        )
 411                 __field(u32,                    iter_lock_seq   )
 412                 __field(u32,                    node_lock_seq   )
 413         ),
 414
 415         TP_fast_assign(
 416                 struct btree *b = btree_path_node(path, level);
 417
 418                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 419                 __entry->caller_ip              = caller_ip;
 420                 __entry->btree_id               = path->btree_id;
 421                 __entry->level                  = path->level;
 422                 TRACE_BPOS_assign(pos, path->pos);
 423                 if (IS_ERR(b))
 424                         strscpy(__entry->node, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node));
 425                 else
 426                         scnprintf(__entry->node, sizeof(__entry->node), "%px", b);
 427                 __entry->iter_lock_seq          = path->l[level].lock_seq;
 428                 __entry->node_lock_seq          = is_btree_node(path, level) ? path->l[level].b->c.lock.state.seq : 0;
 429         ),
 430
 431         TP_printk("%s %pS btree %s pos %llu:%llu:%u level %u node %s iter seq %u lock seq %u",
 432                   __entry->trans_fn,
 433                   (void *) __entry->caller_ip,
 434                   bch2_btree_ids[__entry->btree_id],
 435                   __entry->pos_inode,
 436                   __entry->pos_offset,
 437                   __entry->pos_snapshot,
 438                   __entry->level,
 439                   __entry->node,
 440                   __entry->iter_lock_seq,
 441                   __entry->node_lock_seq)
 442 );
 443
 444 TRACE_EVENT(btree_path_upgrade_fail,
 445         TP_PROTO(struct btree_trans *trans,
 446                  unsigned long caller_ip,
 447                  struct btree_path *path,
 448                  unsigned level),
 449         TP_ARGS(trans, caller_ip, path, level),
 450
 451         TP_STRUCT__entry(
 452                 __array(char,                   trans_fn, 32    )
 453                 __field(unsigned long,          caller_ip       )
 454                 __field(u8,                     btree_id        )
 455                 __field(u8,                     level           )
 456                 TRACE_BPOS_entries(pos)
 457                 __field(u8,                     locked          )
 458                 __field(u8,                     self_read_count )
 459                 __field(u8,                     self_intent_count)
 460                 __field(u8,                     read_count      )
 461                 __field(u8,                     intent_count    )
 462                 __field(u32,                    iter_lock_seq   )
 463                 __field(u32,                    node_lock_seq   )
 464         ),
 465
 466         TP_fast_assign(
 467                 struct six_lock_count c;
 468
 469                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 470                 __entry->caller_ip              = caller_ip;
 471                 __entry->btree_id               = path->btree_id;
 472                 __entry->level                  = level;
 473                 TRACE_BPOS_assign(pos, path->pos);
 474                 __entry->locked                 = btree_node_locked(path, level);
 475
 476                 c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
 477                 __entry->self_read_count        = c.n[SIX_LOCK_read];
 478                 __entry->self_intent_count      = c.n[SIX_LOCK_intent];
 479                 c = six_lock_counts(&path->l[level].b->c.lock);
 480                 __entry->read_count             = c.n[SIX_LOCK_read];
 481                 __entry->intent_count           = c.n[SIX_LOCK_read];
 482                 __entry->iter_lock_seq          = path->l[level].lock_seq;
 483                 __entry->node_lock_seq          = is_btree_node(path, level) ? path->l[level].b->c.lock.state.seq : 0;
 484         ),
 485
 486         TP_printk("%s %pS btree %s pos %llu:%llu:%u level %u locked %u held %u:%u lock count %u:%u iter seq %u lock seq %u",
 487                   __entry->trans_fn,
 488                   (void *) __entry->caller_ip,
 489                   bch2_btree_ids[__entry->btree_id],
 490                   __entry->pos_inode,
 491                   __entry->pos_offset,
 492                   __entry->pos_snapshot,
 493                   __entry->level,
 494                   __entry->locked,
 495                   __entry->self_read_count,
 496                   __entry->self_intent_count,
 497                   __entry->read_count,
 498                   __entry->intent_count,
 499                   __entry->iter_lock_seq,
 500                   __entry->node_lock_seq)
 501 );
 502
 503 /* Garbage collection */
 504
 505 DEFINE_EVENT(bch_fs, gc_gens_start,
 506         TP_PROTO(struct bch_fs *c),
 507         TP_ARGS(c)
 508 );
 509
 510 DEFINE_EVENT(bch_fs, gc_gens_end,
 511         TP_PROTO(struct bch_fs *c),
 512         TP_ARGS(c)
 513 );
 514
 515 /* Allocator */
 516
 517 DECLARE_EVENT_CLASS(bucket_alloc,
 518         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 519                  u64 bucket,
 520                  u64 free,
 521                  u64 avail,
 522                  u64 copygc_wait_amount,
 523                  s64 copygc_waiting_for,
 524                  struct bucket_alloc_state *s,
 525                  bool nonblocking,
 526                  const char *err),
 527         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 528                 copygc_wait_amount, copygc_waiting_for,
 529                 s, nonblocking, err),
 530
 531         TP_STRUCT__entry(
 532                 __field(u8,                     dev                     )
 533                 __array(char,   reserve,        16                      )
 534                 __field(u64,                    bucket  )
 535                 __field(u64,                    free                    )
 536                 __field(u64,                    avail                   )
 537                 __field(u64,                    copygc_wait_amount      )
 538                 __field(s64,                    copygc_waiting_for      )
 539                 __field(u64,                    seen                    )
 540                 __field(u64,                    open                    )
 541                 __field(u64,                    need_journal_commit     )
 542                 __field(u64,                    nouse                   )
 543                 __field(bool,                   nonblocking             )
 544                 __field(u64,                    nocow                   )
 545                 __array(char,                   err,    32              )
 546         ),
 547
 548         TP_fast_assign(
 549                 __entry->dev            = ca->dev_idx;
 550                 strscpy(__entry->reserve, alloc_reserve, sizeof(__entry->reserve));
 551                 __entry->bucket         = bucket;
 552                 __entry->free           = free;
 553                 __entry->avail          = avail;
 554                 __entry->copygc_wait_amount     = copygc_wait_amount;
 555                 __entry->copygc_waiting_for     = copygc_waiting_for;
 556                 __entry->seen           = s->buckets_seen;
 557                 __entry->open           = s->skipped_open;
 558                 __entry->need_journal_commit = s->skipped_need_journal_commit;
 559                 __entry->nouse          = s->skipped_nouse;
 560                 __entry->nonblocking    = nonblocking;
 561                 __entry->nocow          = s->skipped_nocow;
 562                 strscpy(__entry->err, err, sizeof(__entry->err));
 563         ),
 564
 565         TP_printk("reserve %s bucket %u:%llu free %llu avail %llu copygc_wait %llu/%lli seen %llu open %llu need_journal_commit %llu nouse %llu nocow %llu nonblocking %u err %s",
 566                   __entry->reserve,
 567                   __entry->dev,
 568                   __entry->bucket,
 569                   __entry->free,
 570                   __entry->avail,
 571                   __entry->copygc_wait_amount,
 572                   __entry->copygc_waiting_for,
 573                   __entry->seen,
 574                   __entry->open,
 575                   __entry->need_journal_commit,
 576                   __entry->nouse,
 577                   __entry->nocow,
 578                   __entry->nonblocking,
 579                   __entry->err)
 580 );
 581
 582 DEFINE_EVENT(bucket_alloc, bucket_alloc,
 583         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 584                  u64 bucket,
 585                  u64 free,
 586                  u64 avail,
 587                  u64 copygc_wait_amount,
 588                  s64 copygc_waiting_for,
 589                  struct bucket_alloc_state *s,
 590                  bool nonblocking,
 591                  const char *err),
 592         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 593                 copygc_wait_amount, copygc_waiting_for,
 594                 s, nonblocking, err)
 595 );
 596
 597 DEFINE_EVENT(bucket_alloc, bucket_alloc_fail,
 598         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 599                  u64 bucket,
 600                  u64 free,
 601                  u64 avail,
 602                  u64 copygc_wait_amount,
 603                  s64 copygc_waiting_for,
 604                  struct bucket_alloc_state *s,
 605                  bool nonblocking,
 606                  const char *err),
 607         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 608                 copygc_wait_amount, copygc_waiting_for,
 609                 s, nonblocking, err)
 610 );
 611
 612 TRACE_EVENT(discard_buckets,
 613         TP_PROTO(struct bch_fs *c, u64 seen, u64 open,
 614                  u64 need_journal_commit, u64 discarded, const char *err),
 615         TP_ARGS(c, seen, open, need_journal_commit, discarded, err),
 616
 617         TP_STRUCT__entry(
 618                 __field(dev_t,          dev                     )
 619                 __field(u64,            seen                    )
 620                 __field(u64,            open                    )
 621                 __field(u64,            need_journal_commit     )
 622                 __field(u64,            discarded               )
 623                 __array(char,           err,    16              )
 624         ),
 625
 626         TP_fast_assign(
 627                 __entry->dev                    = c->dev;
 628                 __entry->seen                   = seen;
 629                 __entry->open                   = open;
 630                 __entry->need_journal_commit    = need_journal_commit;
 631                 __entry->discarded              = discarded;
 632                 strscpy(__entry->err, err, sizeof(__entry->err));
 633         ),
 634
 635         TP_printk("%d%d seen %llu open %llu need_journal_commit %llu discarded %llu err %s",
 636                   MAJOR(__entry->dev), MINOR(__entry->dev),
 637                   __entry->seen,
 638                   __entry->open,
 639                   __entry->need_journal_commit,
 640                   __entry->discarded,
 641                   __entry->err)
 642 );
 643
 644 TRACE_EVENT(bucket_invalidate,
 645         TP_PROTO(struct bch_fs *c, unsigned dev, u64 bucket, u32 sectors),
 646         TP_ARGS(c, dev, bucket, sectors),
 647
 648         TP_STRUCT__entry(
 649                 __field(dev_t,          dev                     )
 650                 __field(u32,            dev_idx                 )
 651                 __field(u32,            sectors                 )
 652                 __field(u64,            bucket                  )
 653         ),
 654
 655         TP_fast_assign(
 656                 __entry->dev            = c->dev;
 657                 __entry->dev_idx        = dev;
 658                 __entry->sectors        = sectors;
 659                 __entry->bucket         = bucket;
 660         ),
 661
 662         TP_printk("%d:%d invalidated %u:%llu cached sectors %u",
 663                   MAJOR(__entry->dev), MINOR(__entry->dev),
 664                   __entry->dev_idx, __entry->bucket,
 665                   __entry->sectors)
 666 );
 667
 668 /* Moving IO */
 669
 670 DEFINE_EVENT(bkey, move_extent_read,
 671         TP_PROTO(const struct bkey *k),
 672         TP_ARGS(k)
 673 );
 674
 675 DEFINE_EVENT(bkey, move_extent_write,
 676         TP_PROTO(const struct bkey *k),
 677         TP_ARGS(k)
 678 );
 679
 680 DEFINE_EVENT(bkey, move_extent_finish,
 681         TP_PROTO(const struct bkey *k),
 682         TP_ARGS(k)
 683 );
 684
 685 TRACE_EVENT(move_extent_fail,
 686         TP_PROTO(struct bch_fs *c, const char *msg),
 687         TP_ARGS(c, msg),
 688
 689         TP_STRUCT__entry(
 690                 __field(dev_t,          dev                     )
 691                 __string(msg,           msg                     )
 692         ),
 693
 694         TP_fast_assign(
 695                 __entry->dev            = c->dev;
 696                 __assign_str(msg, msg);
 697         ),
 698
 699         TP_printk("%d:%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __get_str(msg))
 700 );
 701
 702 DEFINE_EVENT(bkey, move_extent_alloc_mem_fail,
 703         TP_PROTO(const struct bkey *k),
 704         TP_ARGS(k)
 705 );
 706
 707 TRACE_EVENT(move_data,
 708         TP_PROTO(struct bch_fs *c, u64 sectors_moved,
 709                  u64 keys_moved),
 710         TP_ARGS(c, sectors_moved, keys_moved),
 711
 712         TP_STRUCT__entry(
 713                 __field(dev_t,          dev                     )
 714                 __field(u64,            sectors_moved   )
 715                 __field(u64,            keys_moved      )
 716         ),
 717
 718         TP_fast_assign(
 719                 __entry->dev                    = c->dev;
 720                 __entry->sectors_moved = sectors_moved;
 721                 __entry->keys_moved = keys_moved;
 722         ),
 723
 724         TP_printk("%d,%d sectors_moved %llu keys_moved %llu",
 725                   MAJOR(__entry->dev), MINOR(__entry->dev),
 726                   __entry->sectors_moved, __entry->keys_moved)
 727 );
 728
 729 TRACE_EVENT(evacuate_bucket,
 730         TP_PROTO(struct bch_fs *c, struct bpos *bucket,
 731                  unsigned sectors, unsigned bucket_size,
 732                  u64 fragmentation, int ret),
 733         TP_ARGS(c, bucket, sectors, bucket_size, fragmentation, ret),
 734
 735         TP_STRUCT__entry(
 736                 __field(dev_t,          dev             )
 737                 __field(u64,            member          )
 738                 __field(u64,            bucket          )
 739                 __field(u32,            sectors         )
 740                 __field(u32,            bucket_size     )
 741                 __field(u64,            fragmentation   )
 742                 __field(int,            ret             )
 743         ),
 744
 745         TP_fast_assign(
 746                 __entry->dev                    = c->dev;
 747                 __entry->member                 = bucket->inode;
 748                 __entry->bucket                 = bucket->offset;
 749                 __entry->sectors                = sectors;
 750                 __entry->bucket_size            = bucket_size;
 751                 __entry->fragmentation          = fragmentation;
 752                 __entry->ret                    = ret;
 753         ),
 754
 755         TP_printk("%d,%d %llu:%llu sectors %u/%u fragmentation %llu ret %i",
 756                   MAJOR(__entry->dev), MINOR(__entry->dev),
 757                   __entry->member, __entry->bucket,
 758                   __entry->sectors, __entry->bucket_size,
 759                   __entry->fragmentation, __entry->ret)
 760 );
 761
 762 TRACE_EVENT(copygc,
 763         TP_PROTO(struct bch_fs *c,
 764                  u64 sectors_moved, u64 sectors_not_moved,
 765                  u64 buckets_moved, u64 buckets_not_moved),
 766         TP_ARGS(c,
 767                 sectors_moved, sectors_not_moved,
 768                 buckets_moved, buckets_not_moved),
 769
 770         TP_STRUCT__entry(
 771                 __field(dev_t,          dev                     )
 772                 __field(u64,            sectors_moved           )
 773                 __field(u64,            sectors_not_moved       )
 774                 __field(u64,            buckets_moved           )
 775                 __field(u64,            buckets_not_moved       )
 776         ),
 777
 778         TP_fast_assign(
 779                 __entry->dev                    = c->dev;
 780                 __entry->sectors_moved          = sectors_moved;
 781                 __entry->sectors_not_moved      = sectors_not_moved;
 782                 __entry->buckets_moved          = buckets_moved;
 783                 __entry->buckets_not_moved = buckets_moved;
 784         ),
 785
 786         TP_printk("%d,%d sectors moved %llu remain %llu buckets moved %llu remain %llu",
 787                   MAJOR(__entry->dev), MINOR(__entry->dev),
 788                   __entry->sectors_moved, __entry->sectors_not_moved,
 789                   __entry->buckets_moved, __entry->buckets_not_moved)
 790 );
 791
 792 TRACE_EVENT(copygc_wait,
 793         TP_PROTO(struct bch_fs *c,
 794                  u64 wait_amount, u64 until),
 795         TP_ARGS(c, wait_amount, until),
 796
 797         TP_STRUCT__entry(
 798                 __field(dev_t,          dev                     )
 799                 __field(u64,            wait_amount             )
 800                 __field(u64,            until                   )
 801         ),
 802
 803         TP_fast_assign(
 804                 __entry->dev            = c->dev;
 805                 __entry->wait_amount    = wait_amount;
 806                 __entry->until          = until;
 807         ),
 808
 809         TP_printk("%d,%u waiting for %llu sectors until %llu",
 810                   MAJOR(__entry->dev), MINOR(__entry->dev),
 811                   __entry->wait_amount, __entry->until)
 812 );
 813
 814 /* btree transactions: */
 815
 816 DECLARE_EVENT_CLASS(transaction_event,
 817         TP_PROTO(struct btree_trans *trans,
 818                  unsigned long caller_ip),
 819         TP_ARGS(trans, caller_ip),
 820
 821         TP_STRUCT__entry(
 822                 __array(char,                   trans_fn, 32    )
 823                 __field(unsigned long,          caller_ip       )
 824         ),
 825
 826         TP_fast_assign(
 827                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 828                 __entry->caller_ip              = caller_ip;
 829         ),
 830
 831         TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
 832 );
 833
 834 DEFINE_EVENT(transaction_event, transaction_commit,
 835         TP_PROTO(struct btree_trans *trans,
 836                  unsigned long caller_ip),
 837         TP_ARGS(trans, caller_ip)
 838 );
 839
 840 DEFINE_EVENT(transaction_event, trans_restart_injected,
 841         TP_PROTO(struct btree_trans *trans,
 842                  unsigned long caller_ip),
 843         TP_ARGS(trans, caller_ip)
 844 );
 845
 846 TRACE_EVENT(trans_restart_split_race,
 847         TP_PROTO(struct btree_trans *trans,
 848                  unsigned long caller_ip,
 849                  struct btree *b),
 850         TP_ARGS(trans, caller_ip, b),
 851
 852         TP_STRUCT__entry(
 853                 __array(char,                   trans_fn, 32    )
 854                 __field(unsigned long,          caller_ip       )
 855                 __field(u8,                     level           )
 856                 __field(u16,                    written         )
 857                 __field(u16,                    blocks          )
 858                 __field(u16,                    u64s_remaining  )
 859         ),
 860
 861         TP_fast_assign(
 862                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 863                 __entry->caller_ip              = caller_ip;
 864                 __entry->level          = b->c.level;
 865                 __entry->written        = b->written;
 866                 __entry->blocks         = btree_blocks(trans->c);
 867                 __entry->u64s_remaining = bch_btree_keys_u64s_remaining(trans->c, b);
 868         ),
 869
 870         TP_printk("%s %pS l=%u written %u/%u u64s remaining %u",
 871                   __entry->trans_fn, (void *) __entry->caller_ip,
 872                   __entry->level,
 873                   __entry->written, __entry->blocks,
 874                   __entry->u64s_remaining)
 875 );
 876
 877 DEFINE_EVENT(transaction_event, trans_blocked_journal_reclaim,
 878         TP_PROTO(struct btree_trans *trans,
 879                  unsigned long caller_ip),
 880         TP_ARGS(trans, caller_ip)
 881 );
 882
 883 DEFINE_EVENT(transaction_event, trans_restart_journal_res_get,
 884         TP_PROTO(struct btree_trans *trans,
 885                  unsigned long caller_ip),
 886         TP_ARGS(trans, caller_ip)
 887 );
 888
 889
 890 TRACE_EVENT(trans_restart_journal_preres_get,
 891         TP_PROTO(struct btree_trans *trans,
 892                  unsigned long caller_ip,
 893                  unsigned flags),
 894         TP_ARGS(trans, caller_ip, flags),
 895
 896         TP_STRUCT__entry(
 897                 __array(char,                   trans_fn, 32    )
 898                 __field(unsigned long,          caller_ip       )
 899                 __field(unsigned,               flags           )
 900         ),
 901
 902         TP_fast_assign(
 903                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 904                 __entry->caller_ip              = caller_ip;
 905                 __entry->flags                  = flags;
 906         ),
 907
 908         TP_printk("%s %pS %x", __entry->trans_fn,
 909                   (void *) __entry->caller_ip,
 910                   __entry->flags)
 911 );
 912
 913 DEFINE_EVENT(transaction_event, trans_restart_journal_reclaim,
 914         TP_PROTO(struct btree_trans *trans,
 915                  unsigned long caller_ip),
 916         TP_ARGS(trans, caller_ip)
 917 );
 918
 919 DEFINE_EVENT(transaction_event, trans_restart_fault_inject,
 920         TP_PROTO(struct btree_trans *trans,
 921                  unsigned long caller_ip),
 922         TP_ARGS(trans, caller_ip)
 923 );
 924
 925 DEFINE_EVENT(transaction_event, trans_traverse_all,
 926         TP_PROTO(struct btree_trans *trans,
 927                  unsigned long caller_ip),
 928         TP_ARGS(trans, caller_ip)
 929 );
 930
 931 DEFINE_EVENT(transaction_event, trans_restart_mark_replicas,
 932         TP_PROTO(struct btree_trans *trans,
 933                  unsigned long caller_ip),
 934         TP_ARGS(trans, caller_ip)
 935 );
 936
 937 DEFINE_EVENT(transaction_event, trans_restart_key_cache_raced,
 938         TP_PROTO(struct btree_trans *trans,
 939                  unsigned long caller_ip),
 940         TP_ARGS(trans, caller_ip)
 941 );
 942
 943 DEFINE_EVENT(transaction_event, trans_restart_too_many_iters,
 944         TP_PROTO(struct btree_trans *trans,
 945                  unsigned long caller_ip),
 946         TP_ARGS(trans, caller_ip)
 947 );
 948
 949 DECLARE_EVENT_CLASS(transaction_restart_iter,
 950         TP_PROTO(struct btree_trans *trans,
 951                  unsigned long caller_ip,
 952                  struct btree_path *path),
 953         TP_ARGS(trans, caller_ip, path),
 954
 955         TP_STRUCT__entry(
 956                 __array(char,                   trans_fn, 32    )
 957                 __field(unsigned long,          caller_ip       )
 958                 __field(u8,                     btree_id        )
 959                 TRACE_BPOS_entries(pos)
 960         ),
 961
 962         TP_fast_assign(
 963                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 964                 __entry->caller_ip              = caller_ip;
 965                 __entry->btree_id               = path->btree_id;
 966                 TRACE_BPOS_assign(pos, path->pos)
 967         ),
 968
 969         TP_printk("%s %pS btree %s pos %llu:%llu:%u",
 970                   __entry->trans_fn,
 971                   (void *) __entry->caller_ip,
 972                   bch2_btree_ids[__entry->btree_id],
 973                   __entry->pos_inode,
 974                   __entry->pos_offset,
 975                   __entry->pos_snapshot)
 976 );
 977
 978 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_reused,
 979         TP_PROTO(struct btree_trans *trans,
 980                  unsigned long caller_ip,
 981                  struct btree_path *path),
 982         TP_ARGS(trans, caller_ip, path)
 983 );
 984
 985 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_split,
 986         TP_PROTO(struct btree_trans *trans,
 987                  unsigned long caller_ip,
 988                  struct btree_path *path),
 989         TP_ARGS(trans, caller_ip, path)
 990 );
 991
 992 TRACE_EVENT(trans_restart_upgrade,
 993         TP_PROTO(struct btree_trans *trans,
 994                  unsigned long caller_ip,
 995                  struct btree_path *path,
 996                  unsigned old_locks_want,
 997                  unsigned new_locks_want),
 998         TP_ARGS(trans, caller_ip, path, old_locks_want, new_locks_want),
 999
1000         TP_STRUCT__entry(
1001                 __array(char,                   trans_fn, 32    )
1002                 __field(unsigned long,          caller_ip       )
1003                 __field(u8,                     btree_id        )
1004                 __field(u8,                     old_locks_want  )
1005                 __field(u8,                     new_locks_want  )
1006                 TRACE_BPOS_entries(pos)
1007         ),
1008
1009         TP_fast_assign(
1010                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1011                 __entry->caller_ip              = caller_ip;
1012                 __entry->btree_id               = path->btree_id;
1013                 __entry->old_locks_want         = old_locks_want;
1014                 __entry->new_locks_want         = new_locks_want;
1015                 TRACE_BPOS_assign(pos, path->pos)
1016         ),
1017
1018         TP_printk("%s %pS btree %s pos %llu:%llu:%u locks_want %u -> %u",
1019                   __entry->trans_fn,
1020                   (void *) __entry->caller_ip,
1021                   bch2_btree_ids[__entry->btree_id],
1022                   __entry->pos_inode,
1023                   __entry->pos_offset,
1024                   __entry->pos_snapshot,
1025                   __entry->old_locks_want,
1026                   __entry->new_locks_want)
1027 );
1028
1029 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock,
1030         TP_PROTO(struct btree_trans *trans,
1031                  unsigned long caller_ip,
1032                  struct btree_path *path),
1033         TP_ARGS(trans, caller_ip, path)
1034 );
1035
1036 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_next_node,
1037         TP_PROTO(struct btree_trans *trans,
1038                  unsigned long caller_ip,
1039                  struct btree_path *path),
1040         TP_ARGS(trans, caller_ip, path)
1041 );
1042
1043 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_parent_for_fill,
1044         TP_PROTO(struct btree_trans *trans,
1045                  unsigned long caller_ip,
1046                  struct btree_path *path),
1047         TP_ARGS(trans, caller_ip, path)
1048 );
1049
1050 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_after_fill,
1051         TP_PROTO(struct btree_trans *trans,
1052                  unsigned long caller_ip,
1053                  struct btree_path *path),
1054         TP_ARGS(trans, caller_ip, path)
1055 );
1056
1057 DEFINE_EVENT(transaction_event, trans_restart_key_cache_upgrade,
1058         TP_PROTO(struct btree_trans *trans,
1059                  unsigned long caller_ip),
1060         TP_ARGS(trans, caller_ip)
1061 );
1062
1063 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_key_cache_fill,
1064         TP_PROTO(struct btree_trans *trans,
1065                  unsigned long caller_ip,
1066                  struct btree_path *path),
1067         TP_ARGS(trans, caller_ip, path)
1068 );
1069
1070 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_path,
1071         TP_PROTO(struct btree_trans *trans,
1072                  unsigned long caller_ip,
1073                  struct btree_path *path),
1074         TP_ARGS(trans, caller_ip, path)
1075 );
1076
1077 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_path_intent,
1078         TP_PROTO(struct btree_trans *trans,
1079                  unsigned long caller_ip,
1080                  struct btree_path *path),
1081         TP_ARGS(trans, caller_ip, path)
1082 );
1083
1084 DEFINE_EVENT(transaction_restart_iter,  trans_restart_traverse,
1085         TP_PROTO(struct btree_trans *trans,
1086                  unsigned long caller_ip,
1087                  struct btree_path *path),
1088         TP_ARGS(trans, caller_ip, path)
1089 );
1090
1091 DEFINE_EVENT(transaction_restart_iter,  trans_restart_memory_allocation_failure,
1092         TP_PROTO(struct btree_trans *trans,
1093                  unsigned long caller_ip,
1094                  struct btree_path *path),
1095         TP_ARGS(trans, caller_ip, path)
1096 );
1097
1098 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock,
1099         TP_PROTO(struct btree_trans *trans,
1100                  unsigned long caller_ip),
1101         TP_ARGS(trans, caller_ip)
1102 );
1103
1104 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock_recursion_limit,
1105         TP_PROTO(struct btree_trans *trans,
1106                  unsigned long caller_ip),
1107         TP_ARGS(trans, caller_ip)
1108 );
1109
1110 TRACE_EVENT(trans_restart_would_deadlock_write,
1111         TP_PROTO(struct btree_trans *trans),
1112         TP_ARGS(trans),
1113
1114         TP_STRUCT__entry(
1115                 __array(char,                   trans_fn, 32    )
1116         ),
1117
1118         TP_fast_assign(
1119                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1120         ),
1121
1122         TP_printk("%s", __entry->trans_fn)
1123 );
1124
1125 TRACE_EVENT(trans_restart_mem_realloced,
1126         TP_PROTO(struct btree_trans *trans,
1127                  unsigned long caller_ip,
1128                  unsigned long bytes),
1129         TP_ARGS(trans, caller_ip, bytes),
1130
1131         TP_STRUCT__entry(
1132                 __array(char,                   trans_fn, 32    )
1133                 __field(unsigned long,          caller_ip       )
1134                 __field(unsigned long,          bytes           )
1135         ),
1136
1137         TP_fast_assign(
1138                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1139                 __entry->caller_ip      = caller_ip;
1140                 __entry->bytes          = bytes;
1141         ),
1142
1143         TP_printk("%s %pS bytes %lu",
1144                   __entry->trans_fn,
1145                   (void *) __entry->caller_ip,
1146                   __entry->bytes)
1147 );
1148
1149 TRACE_EVENT(trans_restart_key_cache_key_realloced,
1150         TP_PROTO(struct btree_trans *trans,
1151                  unsigned long caller_ip,
1152                  struct btree_path *path,
1153                  unsigned old_u64s,
1154                  unsigned new_u64s),
1155         TP_ARGS(trans, caller_ip, path, old_u64s, new_u64s),
1156
1157         TP_STRUCT__entry(
1158                 __array(char,                   trans_fn, 32    )
1159                 __field(unsigned long,          caller_ip       )
1160                 __field(enum btree_id,          btree_id        )
1161                 TRACE_BPOS_entries(pos)
1162                 __field(u32,                    old_u64s        )
1163                 __field(u32,                    new_u64s        )
1164         ),
1165
1166         TP_fast_assign(
1167                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1168                 __entry->caller_ip              = caller_ip;
1169
1170                 __entry->btree_id       = path->btree_id;
1171                 TRACE_BPOS_assign(pos, path->pos);
1172                 __entry->old_u64s       = old_u64s;
1173                 __entry->new_u64s       = new_u64s;
1174         ),
1175
1176         TP_printk("%s %pS btree %s pos %llu:%llu:%u old_u64s %u new_u64s %u",
1177                   __entry->trans_fn,
1178                   (void *) __entry->caller_ip,
1179                   bch2_btree_ids[__entry->btree_id],
1180                   __entry->pos_inode,
1181                   __entry->pos_offset,
1182                   __entry->pos_snapshot,
1183                   __entry->old_u64s,
1184                   __entry->new_u64s)
1185 );
1186
1187 DEFINE_EVENT(transaction_event, trans_restart_write_buffer_flush,
1188         TP_PROTO(struct btree_trans *trans,
1189                  unsigned long caller_ip),
1190         TP_ARGS(trans, caller_ip)
1191 );
1192
1193 TRACE_EVENT(write_buffer_flush,
1194         TP_PROTO(struct btree_trans *trans, size_t nr, size_t skipped, size_t fast, size_t size),
1195         TP_ARGS(trans, nr, skipped, fast, size),
1196
1197         TP_STRUCT__entry(
1198                 __field(size_t,         nr              )
1199                 __field(size_t,         skipped         )
1200                 __field(size_t,         fast            )
1201                 __field(size_t,         size            )
1202         ),
1203
1204         TP_fast_assign(
1205                 __entry->nr     = nr;
1206                 __entry->skipped = skipped;
1207                 __entry->fast   = fast;
1208                 __entry->size   = size;
1209         ),
1210
1211         TP_printk("%zu/%zu skipped %zu fast %zu",
1212                   __entry->nr, __entry->size, __entry->skipped, __entry->fast)
1213 );
1214
1215 TRACE_EVENT(write_buffer_flush_slowpath,
1216         TP_PROTO(struct btree_trans *trans, size_t nr, size_t size),
1217         TP_ARGS(trans, nr, size),
1218
1219         TP_STRUCT__entry(
1220                 __field(size_t,         nr              )
1221                 __field(size_t,         size            )
1222         ),
1223
1224         TP_fast_assign(
1225                 __entry->nr     = nr;
1226                 __entry->size   = size;
1227         ),
1228
1229         TP_printk("%zu/%zu", __entry->nr, __entry->size)
1230 );
1231
1232 #endif /* _TRACE_BCACHE_H */
1233
1234 /* This part must be outside protection */
1235 #include <trace/define_trace.h>