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(struct bch_fs *c, const char *k),
  37         TP_ARGS(c, k),
  38
  39         TP_STRUCT__entry(
  40                 __string(k,     k                               )
  41         ),
  42
  43         TP_fast_assign(
  44                 __assign_str(k, k);
  45         ),
  46
  47         TP_printk("%s", __get_str(k))
  48 );
  49
  50 DECLARE_EVENT_CLASS(btree_node,
  51         TP_PROTO(struct bch_fs *c, struct btree *b),
  52         TP_ARGS(c, b),
  53
  54         TP_STRUCT__entry(
  55                 __field(dev_t,          dev                     )
  56                 __field(u8,             level                   )
  57                 __field(u8,             btree_id                )
  58                 TRACE_BPOS_entries(pos)
  59         ),
  60
  61         TP_fast_assign(
  62                 __entry->dev            = c->dev;
  63                 __entry->level          = b->c.level;
  64                 __entry->btree_id       = b->c.btree_id;
  65                 TRACE_BPOS_assign(pos, b->key.k.p);
  66         ),
  67
  68         TP_printk("%d,%d %u %s %llu:%llu:%u",
  69                   MAJOR(__entry->dev), MINOR(__entry->dev),
  70                   __entry->level,
  71                   bch2_btree_ids[__entry->btree_id],
  72                   __entry->pos_inode, __entry->pos_offset, __entry->pos_snapshot)
  73 );
  74
  75 DECLARE_EVENT_CLASS(bch_fs,
  76         TP_PROTO(struct bch_fs *c),
  77         TP_ARGS(c),
  78
  79         TP_STRUCT__entry(
  80                 __field(dev_t,          dev                     )
  81         ),
  82
  83         TP_fast_assign(
  84                 __entry->dev            = c->dev;
  85         ),
  86
  87         TP_printk("%d,%d", MAJOR(__entry->dev), MINOR(__entry->dev))
  88 );
  89
  90 DECLARE_EVENT_CLASS(bio,
  91         TP_PROTO(struct bio *bio),
  92         TP_ARGS(bio),
  93
  94         TP_STRUCT__entry(
  95                 __field(dev_t,          dev                     )
  96                 __field(sector_t,       sector                  )
  97                 __field(unsigned int,   nr_sector               )
  98                 __array(char,           rwbs,   6               )
  99         ),
 100
 101         TP_fast_assign(
 102                 __entry->dev            = bio->bi_bdev ? bio_dev(bio) : 0;
 103                 __entry->sector         = bio->bi_iter.bi_sector;
 104                 __entry->nr_sector      = bio->bi_iter.bi_size >> 9;
 105                 blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
 106         ),
 107
 108         TP_printk("%d,%d  %s %llu + %u",
 109                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 110                   (unsigned long long)__entry->sector, __entry->nr_sector)
 111 );
 112
 113 /* super-io.c: */
 114 TRACE_EVENT(write_super,
 115         TP_PROTO(struct bch_fs *c, unsigned long ip),
 116         TP_ARGS(c, ip),
 117
 118         TP_STRUCT__entry(
 119                 __field(dev_t,          dev     )
 120                 __field(unsigned long,  ip      )
 121         ),
 122
 123         TP_fast_assign(
 124                 __entry->dev            = c->dev;
 125                 __entry->ip             = ip;
 126         ),
 127
 128         TP_printk("%d,%d for %pS",
 129                   MAJOR(__entry->dev), MINOR(__entry->dev),
 130                   (void *) __entry->ip)
 131 );
 132
 133 /* io.c: */
 134
 135 DEFINE_EVENT(bio, read_promote,
 136         TP_PROTO(struct bio *bio),
 137         TP_ARGS(bio)
 138 );
 139
 140 DEFINE_EVENT(bio, read_bounce,
 141         TP_PROTO(struct bio *bio),
 142         TP_ARGS(bio)
 143 );
 144
 145 DEFINE_EVENT(bio, read_split,
 146         TP_PROTO(struct bio *bio),
 147         TP_ARGS(bio)
 148 );
 149
 150 DEFINE_EVENT(bio, read_retry,
 151         TP_PROTO(struct bio *bio),
 152         TP_ARGS(bio)
 153 );
 154
 155 DEFINE_EVENT(bio, read_reuse_race,
 156         TP_PROTO(struct bio *bio),
 157         TP_ARGS(bio)
 158 );
 159
 160 /* Journal */
 161
 162 DEFINE_EVENT(bch_fs, journal_full,
 163         TP_PROTO(struct bch_fs *c),
 164         TP_ARGS(c)
 165 );
 166
 167 DEFINE_EVENT(bch_fs, journal_entry_full,
 168         TP_PROTO(struct bch_fs *c),
 169         TP_ARGS(c)
 170 );
 171
 172 DEFINE_EVENT(bio, journal_write,
 173         TP_PROTO(struct bio *bio),
 174         TP_ARGS(bio)
 175 );
 176
 177 TRACE_EVENT(journal_reclaim_start,
 178         TP_PROTO(struct bch_fs *c, bool direct, bool kicked,
 179                  u64 min_nr, u64 min_key_cache,
 180                  u64 prereserved, u64 prereserved_total,
 181                  u64 btree_cache_dirty, u64 btree_cache_total,
 182                  u64 btree_key_cache_dirty, u64 btree_key_cache_total),
 183         TP_ARGS(c, direct, kicked, min_nr, min_key_cache, prereserved, prereserved_total,
 184                 btree_cache_dirty, btree_cache_total,
 185                 btree_key_cache_dirty, btree_key_cache_total),
 186
 187         TP_STRUCT__entry(
 188                 __field(dev_t,          dev                     )
 189                 __field(bool,           direct                  )
 190                 __field(bool,           kicked                  )
 191                 __field(u64,            min_nr                  )
 192                 __field(u64,            min_key_cache           )
 193                 __field(u64,            prereserved             )
 194                 __field(u64,            prereserved_total       )
 195                 __field(u64,            btree_cache_dirty       )
 196                 __field(u64,            btree_cache_total       )
 197                 __field(u64,            btree_key_cache_dirty   )
 198                 __field(u64,            btree_key_cache_total   )
 199         ),
 200
 201         TP_fast_assign(
 202                 __entry->dev                    = c->dev;
 203                 __entry->direct                 = direct;
 204                 __entry->kicked                 = kicked;
 205                 __entry->min_nr                 = min_nr;
 206                 __entry->min_key_cache          = min_key_cache;
 207                 __entry->prereserved            = prereserved;
 208                 __entry->prereserved_total      = prereserved_total;
 209                 __entry->btree_cache_dirty      = btree_cache_dirty;
 210                 __entry->btree_cache_total      = btree_cache_total;
 211                 __entry->btree_key_cache_dirty  = btree_key_cache_dirty;
 212                 __entry->btree_key_cache_total  = btree_key_cache_total;
 213         ),
 214
 215         TP_printk("%d,%d direct %u kicked %u min %llu key cache %llu prereserved %llu/%llu btree cache %llu/%llu key cache %llu/%llu",
 216                   MAJOR(__entry->dev), MINOR(__entry->dev),
 217                   __entry->direct,
 218                   __entry->kicked,
 219                   __entry->min_nr,
 220                   __entry->min_key_cache,
 221                   __entry->prereserved,
 222                   __entry->prereserved_total,
 223                   __entry->btree_cache_dirty,
 224                   __entry->btree_cache_total,
 225                   __entry->btree_key_cache_dirty,
 226                   __entry->btree_key_cache_total)
 227 );
 228
 229 TRACE_EVENT(journal_reclaim_finish,
 230         TP_PROTO(struct bch_fs *c, u64 nr_flushed),
 231         TP_ARGS(c, nr_flushed),
 232
 233         TP_STRUCT__entry(
 234                 __field(dev_t,          dev                     )
 235                 __field(u64,            nr_flushed              )
 236         ),
 237
 238         TP_fast_assign(
 239                 __entry->dev            = c->dev;
 240                 __entry->nr_flushed     = nr_flushed;
 241         ),
 242
 243         TP_printk("%d,%d flushed %llu",
 244                   MAJOR(__entry->dev), MINOR(__entry->dev),
 245                   __entry->nr_flushed)
 246 );
 247
 248 /* bset.c: */
 249
 250 DEFINE_EVENT(bpos, bkey_pack_pos_fail,
 251         TP_PROTO(const struct bpos *p),
 252         TP_ARGS(p)
 253 );
 254
 255 /* Btree cache: */
 256
 257 TRACE_EVENT(btree_cache_scan,
 258         TP_PROTO(long nr_to_scan, long can_free, long ret),
 259         TP_ARGS(nr_to_scan, can_free, ret),
 260
 261         TP_STRUCT__entry(
 262                 __field(long,   nr_to_scan              )
 263                 __field(long,   can_free                )
 264                 __field(long,   ret                     )
 265         ),
 266
 267         TP_fast_assign(
 268                 __entry->nr_to_scan     = nr_to_scan;
 269                 __entry->can_free       = can_free;
 270                 __entry->ret            = ret;
 271         ),
 272
 273         TP_printk("scanned for %li nodes, can free %li, ret %li",
 274                   __entry->nr_to_scan, __entry->can_free, __entry->ret)
 275 );
 276
 277 DEFINE_EVENT(btree_node, btree_cache_reap,
 278         TP_PROTO(struct bch_fs *c, struct btree *b),
 279         TP_ARGS(c, b)
 280 );
 281
 282 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_lock_fail,
 283         TP_PROTO(struct bch_fs *c),
 284         TP_ARGS(c)
 285 );
 286
 287 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_lock,
 288         TP_PROTO(struct bch_fs *c),
 289         TP_ARGS(c)
 290 );
 291
 292 DEFINE_EVENT(bch_fs, btree_cache_cannibalize,
 293         TP_PROTO(struct bch_fs *c),
 294         TP_ARGS(c)
 295 );
 296
 297 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_unlock,
 298         TP_PROTO(struct bch_fs *c),
 299         TP_ARGS(c)
 300 );
 301
 302 /* Btree */
 303
 304 DEFINE_EVENT(btree_node, btree_node_read,
 305         TP_PROTO(struct bch_fs *c, struct btree *b),
 306         TP_ARGS(c, b)
 307 );
 308
 309 TRACE_EVENT(btree_node_write,
 310         TP_PROTO(struct btree *b, unsigned bytes, unsigned sectors),
 311         TP_ARGS(b, bytes, sectors),
 312
 313         TP_STRUCT__entry(
 314                 __field(enum btree_node_type,   type)
 315                 __field(unsigned,       bytes                   )
 316                 __field(unsigned,       sectors                 )
 317         ),
 318
 319         TP_fast_assign(
 320                 __entry->type   = btree_node_type(b);
 321                 __entry->bytes  = bytes;
 322                 __entry->sectors = sectors;
 323         ),
 324
 325         TP_printk("bkey type %u bytes %u sectors %u",
 326                   __entry->type , __entry->bytes, __entry->sectors)
 327 );
 328
 329 DEFINE_EVENT(btree_node, btree_node_alloc,
 330         TP_PROTO(struct bch_fs *c, struct btree *b),
 331         TP_ARGS(c, b)
 332 );
 333
 334 DEFINE_EVENT(btree_node, btree_node_free,
 335         TP_PROTO(struct bch_fs *c, struct btree *b),
 336         TP_ARGS(c, b)
 337 );
 338
 339 TRACE_EVENT(btree_reserve_get_fail,
 340         TP_PROTO(const char *trans_fn,
 341                  unsigned long caller_ip,
 342                  size_t required,
 343                  int ret),
 344         TP_ARGS(trans_fn, caller_ip, required, ret),
 345
 346         TP_STRUCT__entry(
 347                 __array(char,                   trans_fn, 32    )
 348                 __field(unsigned long,          caller_ip       )
 349                 __field(size_t,                 required        )
 350                 __array(char,                   ret, 32         )
 351         ),
 352
 353         TP_fast_assign(
 354                 strscpy(__entry->trans_fn, trans_fn, sizeof(__entry->trans_fn));
 355                 __entry->caller_ip      = caller_ip;
 356                 __entry->required       = required;
 357                 strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
 358         ),
 359
 360         TP_printk("%s %pS required %zu ret %s",
 361                   __entry->trans_fn,
 362                   (void *) __entry->caller_ip,
 363                   __entry->required,
 364                   __entry->ret)
 365 );
 366
 367 DEFINE_EVENT(btree_node, btree_node_compact,
 368         TP_PROTO(struct bch_fs *c, struct btree *b),
 369         TP_ARGS(c, b)
 370 );
 371
 372 DEFINE_EVENT(btree_node, btree_node_merge,
 373         TP_PROTO(struct bch_fs *c, struct btree *b),
 374         TP_ARGS(c, b)
 375 );
 376
 377 DEFINE_EVENT(btree_node, btree_node_split,
 378         TP_PROTO(struct bch_fs *c, struct btree *b),
 379         TP_ARGS(c, b)
 380 );
 381
 382 DEFINE_EVENT(btree_node, btree_node_rewrite,
 383         TP_PROTO(struct bch_fs *c, struct btree *b),
 384         TP_ARGS(c, b)
 385 );
 386
 387 DEFINE_EVENT(btree_node, btree_node_set_root,
 388         TP_PROTO(struct bch_fs *c, struct btree *b),
 389         TP_ARGS(c, b)
 390 );
 391
 392 TRACE_EVENT(btree_path_relock_fail,
 393         TP_PROTO(struct btree_trans *trans,
 394                  unsigned long caller_ip,
 395                  struct btree_path *path,
 396                  unsigned level),
 397         TP_ARGS(trans, caller_ip, path, level),
 398
 399         TP_STRUCT__entry(
 400                 __array(char,                   trans_fn, 32    )
 401                 __field(unsigned long,          caller_ip       )
 402                 __field(u8,                     btree_id        )
 403                 __field(u8,                     level           )
 404                 TRACE_BPOS_entries(pos)
 405                 __array(char,                   node, 24        )
 406                 __field(u32,                    iter_lock_seq   )
 407                 __field(u32,                    node_lock_seq   )
 408         ),
 409
 410         TP_fast_assign(
 411                 struct btree *b = btree_path_node(path, level);
 412
 413                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 414                 __entry->caller_ip              = caller_ip;
 415                 __entry->btree_id               = path->btree_id;
 416                 __entry->level                  = path->level;
 417                 TRACE_BPOS_assign(pos, path->pos);
 418                 if (IS_ERR(b))
 419                         strscpy(__entry->node, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node));
 420                 else
 421                         scnprintf(__entry->node, sizeof(__entry->node), "%px", b);
 422                 __entry->iter_lock_seq          = path->l[level].lock_seq;
 423                 __entry->node_lock_seq          = is_btree_node(path, level) ? path->l[level].b->c.lock.state.seq : 0;
 424         ),
 425
 426         TP_printk("%s %pS btree %s pos %llu:%llu:%u level %u node %s iter seq %u lock seq %u",
 427                   __entry->trans_fn,
 428                   (void *) __entry->caller_ip,
 429                   bch2_btree_ids[__entry->btree_id],
 430                   __entry->pos_inode,
 431                   __entry->pos_offset,
 432                   __entry->pos_snapshot,
 433                   __entry->level,
 434                   __entry->node,
 435                   __entry->iter_lock_seq,
 436                   __entry->node_lock_seq)
 437 );
 438
 439 TRACE_EVENT(btree_path_upgrade_fail,
 440         TP_PROTO(struct btree_trans *trans,
 441                  unsigned long caller_ip,
 442                  struct btree_path *path,
 443                  unsigned level),
 444         TP_ARGS(trans, caller_ip, path, level),
 445
 446         TP_STRUCT__entry(
 447                 __array(char,                   trans_fn, 32    )
 448                 __field(unsigned long,          caller_ip       )
 449                 __field(u8,                     btree_id        )
 450                 __field(u8,                     level           )
 451                 TRACE_BPOS_entries(pos)
 452                 __field(u8,                     locked          )
 453                 __field(u8,                     self_read_count )
 454                 __field(u8,                     self_intent_count)
 455                 __field(u8,                     read_count      )
 456                 __field(u8,                     intent_count    )
 457                 __field(u32,                    iter_lock_seq   )
 458                 __field(u32,                    node_lock_seq   )
 459         ),
 460
 461         TP_fast_assign(
 462                 struct six_lock_count c;
 463
 464                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 465                 __entry->caller_ip              = caller_ip;
 466                 __entry->btree_id               = path->btree_id;
 467                 __entry->level                  = level;
 468                 TRACE_BPOS_assign(pos, path->pos);
 469                 __entry->locked                 = btree_node_locked(path, level);
 470
 471                 c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
 472                 __entry->self_read_count        = c.n[SIX_LOCK_read];
 473                 __entry->self_intent_count      = c.n[SIX_LOCK_intent];
 474                 c = six_lock_counts(&path->l[level].b->c.lock);
 475                 __entry->read_count             = c.n[SIX_LOCK_read];
 476                 __entry->intent_count           = c.n[SIX_LOCK_read];
 477                 __entry->iter_lock_seq          = path->l[level].lock_seq;
 478                 __entry->node_lock_seq          = is_btree_node(path, level) ? path->l[level].b->c.lock.state.seq : 0;
 479         ),
 480
 481         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",
 482                   __entry->trans_fn,
 483                   (void *) __entry->caller_ip,
 484                   bch2_btree_ids[__entry->btree_id],
 485                   __entry->pos_inode,
 486                   __entry->pos_offset,
 487                   __entry->pos_snapshot,
 488                   __entry->level,
 489                   __entry->locked,
 490                   __entry->self_read_count,
 491                   __entry->self_intent_count,
 492                   __entry->read_count,
 493                   __entry->intent_count,
 494                   __entry->iter_lock_seq,
 495                   __entry->node_lock_seq)
 496 );
 497
 498 /* Garbage collection */
 499
 500 DEFINE_EVENT(bch_fs, gc_gens_start,
 501         TP_PROTO(struct bch_fs *c),
 502         TP_ARGS(c)
 503 );
 504
 505 DEFINE_EVENT(bch_fs, gc_gens_end,
 506         TP_PROTO(struct bch_fs *c),
 507         TP_ARGS(c)
 508 );
 509
 510 /* Allocator */
 511
 512 DECLARE_EVENT_CLASS(bucket_alloc,
 513         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 514                  u64 bucket,
 515                  u64 free,
 516                  u64 avail,
 517                  u64 copygc_wait_amount,
 518                  s64 copygc_waiting_for,
 519                  struct bucket_alloc_state *s,
 520                  bool nonblocking,
 521                  const char *err),
 522         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 523                 copygc_wait_amount, copygc_waiting_for,
 524                 s, nonblocking, err),
 525
 526         TP_STRUCT__entry(
 527                 __field(u8,                     dev                     )
 528                 __array(char,   reserve,        16                      )
 529                 __field(u64,                    bucket  )
 530                 __field(u64,                    free                    )
 531                 __field(u64,                    avail                   )
 532                 __field(u64,                    copygc_wait_amount      )
 533                 __field(s64,                    copygc_waiting_for      )
 534                 __field(u64,                    seen                    )
 535                 __field(u64,                    open                    )
 536                 __field(u64,                    need_journal_commit     )
 537                 __field(u64,                    nouse                   )
 538                 __field(bool,                   nonblocking             )
 539                 __field(u64,                    nocow                   )
 540                 __array(char,                   err,    32              )
 541         ),
 542
 543         TP_fast_assign(
 544                 __entry->dev            = ca->dev_idx;
 545                 strscpy(__entry->reserve, alloc_reserve, sizeof(__entry->reserve));
 546                 __entry->bucket         = bucket;
 547                 __entry->free           = free;
 548                 __entry->avail          = avail;
 549                 __entry->copygc_wait_amount     = copygc_wait_amount;
 550                 __entry->copygc_waiting_for     = copygc_waiting_for;
 551                 __entry->seen           = s->buckets_seen;
 552                 __entry->open           = s->skipped_open;
 553                 __entry->need_journal_commit = s->skipped_need_journal_commit;
 554                 __entry->nouse          = s->skipped_nouse;
 555                 __entry->nonblocking    = nonblocking;
 556                 __entry->nocow          = s->skipped_nocow;
 557                 strscpy(__entry->err, err, sizeof(__entry->err));
 558         ),
 559
 560         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",
 561                   __entry->reserve,
 562                   __entry->dev,
 563                   __entry->bucket,
 564                   __entry->free,
 565                   __entry->avail,
 566                   __entry->copygc_wait_amount,
 567                   __entry->copygc_waiting_for,
 568                   __entry->seen,
 569                   __entry->open,
 570                   __entry->need_journal_commit,
 571                   __entry->nouse,
 572                   __entry->nocow,
 573                   __entry->nonblocking,
 574                   __entry->err)
 575 );
 576
 577 DEFINE_EVENT(bucket_alloc, bucket_alloc,
 578         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 579                  u64 bucket,
 580                  u64 free,
 581                  u64 avail,
 582                  u64 copygc_wait_amount,
 583                  s64 copygc_waiting_for,
 584                  struct bucket_alloc_state *s,
 585                  bool nonblocking,
 586                  const char *err),
 587         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 588                 copygc_wait_amount, copygc_waiting_for,
 589                 s, nonblocking, err)
 590 );
 591
 592 DEFINE_EVENT(bucket_alloc, bucket_alloc_fail,
 593         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 594                  u64 bucket,
 595                  u64 free,
 596                  u64 avail,
 597                  u64 copygc_wait_amount,
 598                  s64 copygc_waiting_for,
 599                  struct bucket_alloc_state *s,
 600                  bool nonblocking,
 601                  const char *err),
 602         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 603                 copygc_wait_amount, copygc_waiting_for,
 604                 s, nonblocking, err)
 605 );
 606
 607 TRACE_EVENT(discard_buckets,
 608         TP_PROTO(struct bch_fs *c, u64 seen, u64 open,
 609                  u64 need_journal_commit, u64 discarded, const char *err),
 610         TP_ARGS(c, seen, open, need_journal_commit, discarded, err),
 611
 612         TP_STRUCT__entry(
 613                 __field(dev_t,          dev                     )
 614                 __field(u64,            seen                    )
 615                 __field(u64,            open                    )
 616                 __field(u64,            need_journal_commit     )
 617                 __field(u64,            discarded               )
 618                 __array(char,           err,    16              )
 619         ),
 620
 621         TP_fast_assign(
 622                 __entry->dev                    = c->dev;
 623                 __entry->seen                   = seen;
 624                 __entry->open                   = open;
 625                 __entry->need_journal_commit    = need_journal_commit;
 626                 __entry->discarded              = discarded;
 627                 strscpy(__entry->err, err, sizeof(__entry->err));
 628         ),
 629
 630         TP_printk("%d%d seen %llu open %llu need_journal_commit %llu discarded %llu err %s",
 631                   MAJOR(__entry->dev), MINOR(__entry->dev),
 632                   __entry->seen,
 633                   __entry->open,
 634                   __entry->need_journal_commit,
 635                   __entry->discarded,
 636                   __entry->err)
 637 );
 638
 639 TRACE_EVENT(bucket_invalidate,
 640         TP_PROTO(struct bch_fs *c, unsigned dev, u64 bucket, u32 sectors),
 641         TP_ARGS(c, dev, bucket, sectors),
 642
 643         TP_STRUCT__entry(
 644                 __field(dev_t,          dev                     )
 645                 __field(u32,            dev_idx                 )
 646                 __field(u32,            sectors                 )
 647                 __field(u64,            bucket                  )
 648         ),
 649
 650         TP_fast_assign(
 651                 __entry->dev            = c->dev;
 652                 __entry->dev_idx        = dev;
 653                 __entry->sectors        = sectors;
 654                 __entry->bucket         = bucket;
 655         ),
 656
 657         TP_printk("%d:%d invalidated %u:%llu cached sectors %u",
 658                   MAJOR(__entry->dev), MINOR(__entry->dev),
 659                   __entry->dev_idx, __entry->bucket,
 660                   __entry->sectors)
 661 );
 662
 663 /* Moving IO */
 664
 665 TRACE_EVENT(bucket_evacuate,
 666         TP_PROTO(struct bch_fs *c, struct bpos bucket),
 667         TP_ARGS(c, bucket),
 668
 669         TP_STRUCT__entry(
 670                 __field(dev_t,          dev                     )
 671                 __field(u32,            dev_idx                 )
 672                 __field(u64,            bucket                  )
 673         ),
 674
 675         TP_fast_assign(
 676                 __entry->dev            = c->dev;
 677                 __entry->dev_idx        = bucket.inode;
 678                 __entry->bucket         = bucket.offset;
 679         ),
 680
 681         TP_printk("%d:%d %u:%llu",
 682                   MAJOR(__entry->dev), MINOR(__entry->dev),
 683                   __entry->dev_idx, __entry->bucket)
 684 );
 685
 686 DEFINE_EVENT(bkey, move_extent,
 687         TP_PROTO(struct bch_fs *c, const char *k),
 688         TP_ARGS(c, k)
 689 );
 690
 691 DEFINE_EVENT(bkey, move_extent_read,
 692         TP_PROTO(struct bch_fs *c, const char *k),
 693         TP_ARGS(c, k)
 694 );
 695
 696 DEFINE_EVENT(bkey, move_extent_write,
 697         TP_PROTO(struct bch_fs *c, const char *k),
 698         TP_ARGS(c, k)
 699 );
 700
 701 DEFINE_EVENT(bkey, move_extent_finish,
 702         TP_PROTO(struct bch_fs *c, const char *k),
 703         TP_ARGS(c, k)
 704 );
 705
 706 TRACE_EVENT(move_extent_fail,
 707         TP_PROTO(struct bch_fs *c, const char *msg),
 708         TP_ARGS(c, msg),
 709
 710         TP_STRUCT__entry(
 711                 __field(dev_t,          dev                     )
 712                 __string(msg,           msg                     )
 713         ),
 714
 715         TP_fast_assign(
 716                 __entry->dev            = c->dev;
 717                 __assign_str(msg, msg);
 718         ),
 719
 720         TP_printk("%d:%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __get_str(msg))
 721 );
 722
 723 DEFINE_EVENT(bkey, move_extent_alloc_mem_fail,
 724         TP_PROTO(struct bch_fs *c, const char *k),
 725         TP_ARGS(c, k)
 726 );
 727
 728 TRACE_EVENT(move_data,
 729         TP_PROTO(struct bch_fs *c, u64 sectors_moved,
 730                  u64 keys_moved),
 731         TP_ARGS(c, sectors_moved, keys_moved),
 732
 733         TP_STRUCT__entry(
 734                 __field(dev_t,          dev                     )
 735                 __field(u64,            sectors_moved   )
 736                 __field(u64,            keys_moved      )
 737         ),
 738
 739         TP_fast_assign(
 740                 __entry->dev                    = c->dev;
 741                 __entry->sectors_moved = sectors_moved;
 742                 __entry->keys_moved = keys_moved;
 743         ),
 744
 745         TP_printk("%d,%d sectors_moved %llu keys_moved %llu",
 746                   MAJOR(__entry->dev), MINOR(__entry->dev),
 747                   __entry->sectors_moved, __entry->keys_moved)
 748 );
 749
 750 TRACE_EVENT(evacuate_bucket,
 751         TP_PROTO(struct bch_fs *c, struct bpos *bucket,
 752                  unsigned sectors, unsigned bucket_size,
 753                  u64 fragmentation, int ret),
 754         TP_ARGS(c, bucket, sectors, bucket_size, fragmentation, ret),
 755
 756         TP_STRUCT__entry(
 757                 __field(dev_t,          dev             )
 758                 __field(u64,            member          )
 759                 __field(u64,            bucket          )
 760                 __field(u32,            sectors         )
 761                 __field(u32,            bucket_size     )
 762                 __field(u64,            fragmentation   )
 763                 __field(int,            ret             )
 764         ),
 765
 766         TP_fast_assign(
 767                 __entry->dev                    = c->dev;
 768                 __entry->member                 = bucket->inode;
 769                 __entry->bucket                 = bucket->offset;
 770                 __entry->sectors                = sectors;
 771                 __entry->bucket_size            = bucket_size;
 772                 __entry->fragmentation          = fragmentation;
 773                 __entry->ret                    = ret;
 774         ),
 775
 776         TP_printk("%d,%d %llu:%llu sectors %u/%u fragmentation %llu ret %i",
 777                   MAJOR(__entry->dev), MINOR(__entry->dev),
 778                   __entry->member, __entry->bucket,
 779                   __entry->sectors, __entry->bucket_size,
 780                   __entry->fragmentation, __entry->ret)
 781 );
 782
 783 TRACE_EVENT(copygc,
 784         TP_PROTO(struct bch_fs *c,
 785                  u64 sectors_moved, u64 sectors_not_moved,
 786                  u64 buckets_moved, u64 buckets_not_moved),
 787         TP_ARGS(c,
 788                 sectors_moved, sectors_not_moved,
 789                 buckets_moved, buckets_not_moved),
 790
 791         TP_STRUCT__entry(
 792                 __field(dev_t,          dev                     )
 793                 __field(u64,            sectors_moved           )
 794                 __field(u64,            sectors_not_moved       )
 795                 __field(u64,            buckets_moved           )
 796                 __field(u64,            buckets_not_moved       )
 797         ),
 798
 799         TP_fast_assign(
 800                 __entry->dev                    = c->dev;
 801                 __entry->sectors_moved          = sectors_moved;
 802                 __entry->sectors_not_moved      = sectors_not_moved;
 803                 __entry->buckets_moved          = buckets_moved;
 804                 __entry->buckets_not_moved = buckets_moved;
 805         ),
 806
 807         TP_printk("%d,%d sectors moved %llu remain %llu buckets moved %llu remain %llu",
 808                   MAJOR(__entry->dev), MINOR(__entry->dev),
 809                   __entry->sectors_moved, __entry->sectors_not_moved,
 810                   __entry->buckets_moved, __entry->buckets_not_moved)
 811 );
 812
 813 TRACE_EVENT(copygc_wait,
 814         TP_PROTO(struct bch_fs *c,
 815                  u64 wait_amount, u64 until),
 816         TP_ARGS(c, wait_amount, until),
 817
 818         TP_STRUCT__entry(
 819                 __field(dev_t,          dev                     )
 820                 __field(u64,            wait_amount             )
 821                 __field(u64,            until                   )
 822         ),
 823
 824         TP_fast_assign(
 825                 __entry->dev            = c->dev;
 826                 __entry->wait_amount    = wait_amount;
 827                 __entry->until          = until;
 828         ),
 829
 830         TP_printk("%d,%u waiting for %llu sectors until %llu",
 831                   MAJOR(__entry->dev), MINOR(__entry->dev),
 832                   __entry->wait_amount, __entry->until)
 833 );
 834
 835 /* btree transactions: */
 836
 837 DECLARE_EVENT_CLASS(transaction_event,
 838         TP_PROTO(struct btree_trans *trans,
 839                  unsigned long caller_ip),
 840         TP_ARGS(trans, caller_ip),
 841
 842         TP_STRUCT__entry(
 843                 __array(char,                   trans_fn, 32    )
 844                 __field(unsigned long,          caller_ip       )
 845         ),
 846
 847         TP_fast_assign(
 848                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 849                 __entry->caller_ip              = caller_ip;
 850         ),
 851
 852         TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
 853 );
 854
 855 DEFINE_EVENT(transaction_event, transaction_commit,
 856         TP_PROTO(struct btree_trans *trans,
 857                  unsigned long caller_ip),
 858         TP_ARGS(trans, caller_ip)
 859 );
 860
 861 DEFINE_EVENT(transaction_event, trans_restart_injected,
 862         TP_PROTO(struct btree_trans *trans,
 863                  unsigned long caller_ip),
 864         TP_ARGS(trans, caller_ip)
 865 );
 866
 867 TRACE_EVENT(trans_restart_split_race,
 868         TP_PROTO(struct btree_trans *trans,
 869                  unsigned long caller_ip,
 870                  struct btree *b),
 871         TP_ARGS(trans, caller_ip, b),
 872
 873         TP_STRUCT__entry(
 874                 __array(char,                   trans_fn, 32    )
 875                 __field(unsigned long,          caller_ip       )
 876                 __field(u8,                     level           )
 877                 __field(u16,                    written         )
 878                 __field(u16,                    blocks          )
 879                 __field(u16,                    u64s_remaining  )
 880         ),
 881
 882         TP_fast_assign(
 883                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 884                 __entry->caller_ip              = caller_ip;
 885                 __entry->level          = b->c.level;
 886                 __entry->written        = b->written;
 887                 __entry->blocks         = btree_blocks(trans->c);
 888                 __entry->u64s_remaining = bch_btree_keys_u64s_remaining(trans->c, b);
 889         ),
 890
 891         TP_printk("%s %pS l=%u written %u/%u u64s remaining %u",
 892                   __entry->trans_fn, (void *) __entry->caller_ip,
 893                   __entry->level,
 894                   __entry->written, __entry->blocks,
 895                   __entry->u64s_remaining)
 896 );
 897
 898 DEFINE_EVENT(transaction_event, trans_blocked_journal_reclaim,
 899         TP_PROTO(struct btree_trans *trans,
 900                  unsigned long caller_ip),
 901         TP_ARGS(trans, caller_ip)
 902 );
 903
 904 DEFINE_EVENT(transaction_event, trans_restart_journal_res_get,
 905         TP_PROTO(struct btree_trans *trans,
 906                  unsigned long caller_ip),
 907         TP_ARGS(trans, caller_ip)
 908 );
 909
 910
 911 TRACE_EVENT(trans_restart_journal_preres_get,
 912         TP_PROTO(struct btree_trans *trans,
 913                  unsigned long caller_ip,
 914                  unsigned flags),
 915         TP_ARGS(trans, caller_ip, flags),
 916
 917         TP_STRUCT__entry(
 918                 __array(char,                   trans_fn, 32    )
 919                 __field(unsigned long,          caller_ip       )
 920                 __field(unsigned,               flags           )
 921         ),
 922
 923         TP_fast_assign(
 924                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 925                 __entry->caller_ip              = caller_ip;
 926                 __entry->flags                  = flags;
 927         ),
 928
 929         TP_printk("%s %pS %x", __entry->trans_fn,
 930                   (void *) __entry->caller_ip,
 931                   __entry->flags)
 932 );
 933
 934 DEFINE_EVENT(transaction_event, trans_restart_journal_reclaim,
 935         TP_PROTO(struct btree_trans *trans,
 936                  unsigned long caller_ip),
 937         TP_ARGS(trans, caller_ip)
 938 );
 939
 940 DEFINE_EVENT(transaction_event, trans_restart_fault_inject,
 941         TP_PROTO(struct btree_trans *trans,
 942                  unsigned long caller_ip),
 943         TP_ARGS(trans, caller_ip)
 944 );
 945
 946 DEFINE_EVENT(transaction_event, trans_traverse_all,
 947         TP_PROTO(struct btree_trans *trans,
 948                  unsigned long caller_ip),
 949         TP_ARGS(trans, caller_ip)
 950 );
 951
 952 DEFINE_EVENT(transaction_event, trans_restart_mark_replicas,
 953         TP_PROTO(struct btree_trans *trans,
 954                  unsigned long caller_ip),
 955         TP_ARGS(trans, caller_ip)
 956 );
 957
 958 DEFINE_EVENT(transaction_event, trans_restart_key_cache_raced,
 959         TP_PROTO(struct btree_trans *trans,
 960                  unsigned long caller_ip),
 961         TP_ARGS(trans, caller_ip)
 962 );
 963
 964 DEFINE_EVENT(transaction_event, trans_restart_too_many_iters,
 965         TP_PROTO(struct btree_trans *trans,
 966                  unsigned long caller_ip),
 967         TP_ARGS(trans, caller_ip)
 968 );
 969
 970 DECLARE_EVENT_CLASS(transaction_restart_iter,
 971         TP_PROTO(struct btree_trans *trans,
 972                  unsigned long caller_ip,
 973                  struct btree_path *path),
 974         TP_ARGS(trans, caller_ip, path),
 975
 976         TP_STRUCT__entry(
 977                 __array(char,                   trans_fn, 32    )
 978                 __field(unsigned long,          caller_ip       )
 979                 __field(u8,                     btree_id        )
 980                 TRACE_BPOS_entries(pos)
 981         ),
 982
 983         TP_fast_assign(
 984                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 985                 __entry->caller_ip              = caller_ip;
 986                 __entry->btree_id               = path->btree_id;
 987                 TRACE_BPOS_assign(pos, path->pos)
 988         ),
 989
 990         TP_printk("%s %pS btree %s pos %llu:%llu:%u",
 991                   __entry->trans_fn,
 992                   (void *) __entry->caller_ip,
 993                   bch2_btree_ids[__entry->btree_id],
 994                   __entry->pos_inode,
 995                   __entry->pos_offset,
 996                   __entry->pos_snapshot)
 997 );
 998
 999 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_reused,
1000         TP_PROTO(struct btree_trans *trans,
1001                  unsigned long caller_ip,
1002                  struct btree_path *path),
1003         TP_ARGS(trans, caller_ip, path)
1004 );
1005
1006 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_split,
1007         TP_PROTO(struct btree_trans *trans,
1008                  unsigned long caller_ip,
1009                  struct btree_path *path),
1010         TP_ARGS(trans, caller_ip, path)
1011 );
1012
1013 TRACE_EVENT(trans_restart_upgrade,
1014         TP_PROTO(struct btree_trans *trans,
1015                  unsigned long caller_ip,
1016                  struct btree_path *path,
1017                  unsigned old_locks_want,
1018                  unsigned new_locks_want),
1019         TP_ARGS(trans, caller_ip, path, old_locks_want, new_locks_want),
1020
1021         TP_STRUCT__entry(
1022                 __array(char,                   trans_fn, 32    )
1023                 __field(unsigned long,          caller_ip       )
1024                 __field(u8,                     btree_id        )
1025                 __field(u8,                     old_locks_want  )
1026                 __field(u8,                     new_locks_want  )
1027                 TRACE_BPOS_entries(pos)
1028         ),
1029
1030         TP_fast_assign(
1031                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1032                 __entry->caller_ip              = caller_ip;
1033                 __entry->btree_id               = path->btree_id;
1034                 __entry->old_locks_want         = old_locks_want;
1035                 __entry->new_locks_want         = new_locks_want;
1036                 TRACE_BPOS_assign(pos, path->pos)
1037         ),
1038
1039         TP_printk("%s %pS btree %s pos %llu:%llu:%u locks_want %u -> %u",
1040                   __entry->trans_fn,
1041                   (void *) __entry->caller_ip,
1042                   bch2_btree_ids[__entry->btree_id],
1043                   __entry->pos_inode,
1044                   __entry->pos_offset,
1045                   __entry->pos_snapshot,
1046                   __entry->old_locks_want,
1047                   __entry->new_locks_want)
1048 );
1049
1050 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock,
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_restart_iter,  trans_restart_relock_next_node,
1058         TP_PROTO(struct btree_trans *trans,
1059                  unsigned long caller_ip,
1060                  struct btree_path *path),
1061         TP_ARGS(trans, caller_ip, path)
1062 );
1063
1064 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_parent_for_fill,
1065         TP_PROTO(struct btree_trans *trans,
1066                  unsigned long caller_ip,
1067                  struct btree_path *path),
1068         TP_ARGS(trans, caller_ip, path)
1069 );
1070
1071 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_after_fill,
1072         TP_PROTO(struct btree_trans *trans,
1073                  unsigned long caller_ip,
1074                  struct btree_path *path),
1075         TP_ARGS(trans, caller_ip, path)
1076 );
1077
1078 DEFINE_EVENT(transaction_event, trans_restart_key_cache_upgrade,
1079         TP_PROTO(struct btree_trans *trans,
1080                  unsigned long caller_ip),
1081         TP_ARGS(trans, caller_ip)
1082 );
1083
1084 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_key_cache_fill,
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_relock_path,
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_restart_iter,  trans_restart_relock_path_intent,
1099         TP_PROTO(struct btree_trans *trans,
1100                  unsigned long caller_ip,
1101                  struct btree_path *path),
1102         TP_ARGS(trans, caller_ip, path)
1103 );
1104
1105 DEFINE_EVENT(transaction_restart_iter,  trans_restart_traverse,
1106         TP_PROTO(struct btree_trans *trans,
1107                  unsigned long caller_ip,
1108                  struct btree_path *path),
1109         TP_ARGS(trans, caller_ip, path)
1110 );
1111
1112 DEFINE_EVENT(transaction_restart_iter,  trans_restart_memory_allocation_failure,
1113         TP_PROTO(struct btree_trans *trans,
1114                  unsigned long caller_ip,
1115                  struct btree_path *path),
1116         TP_ARGS(trans, caller_ip, path)
1117 );
1118
1119 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock,
1120         TP_PROTO(struct btree_trans *trans,
1121                  unsigned long caller_ip),
1122         TP_ARGS(trans, caller_ip)
1123 );
1124
1125 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock_recursion_limit,
1126         TP_PROTO(struct btree_trans *trans,
1127                  unsigned long caller_ip),
1128         TP_ARGS(trans, caller_ip)
1129 );
1130
1131 TRACE_EVENT(trans_restart_would_deadlock_write,
1132         TP_PROTO(struct btree_trans *trans),
1133         TP_ARGS(trans),
1134
1135         TP_STRUCT__entry(
1136                 __array(char,                   trans_fn, 32    )
1137         ),
1138
1139         TP_fast_assign(
1140                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1141         ),
1142
1143         TP_printk("%s", __entry->trans_fn)
1144 );
1145
1146 TRACE_EVENT(trans_restart_mem_realloced,
1147         TP_PROTO(struct btree_trans *trans,
1148                  unsigned long caller_ip,
1149                  unsigned long bytes),
1150         TP_ARGS(trans, caller_ip, bytes),
1151
1152         TP_STRUCT__entry(
1153                 __array(char,                   trans_fn, 32    )
1154                 __field(unsigned long,          caller_ip       )
1155                 __field(unsigned long,          bytes           )
1156         ),
1157
1158         TP_fast_assign(
1159                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1160                 __entry->caller_ip      = caller_ip;
1161                 __entry->bytes          = bytes;
1162         ),
1163
1164         TP_printk("%s %pS bytes %lu",
1165                   __entry->trans_fn,
1166                   (void *) __entry->caller_ip,
1167                   __entry->bytes)
1168 );
1169
1170 TRACE_EVENT(trans_restart_key_cache_key_realloced,
1171         TP_PROTO(struct btree_trans *trans,
1172                  unsigned long caller_ip,
1173                  struct btree_path *path,
1174                  unsigned old_u64s,
1175                  unsigned new_u64s),
1176         TP_ARGS(trans, caller_ip, path, old_u64s, new_u64s),
1177
1178         TP_STRUCT__entry(
1179                 __array(char,                   trans_fn, 32    )
1180                 __field(unsigned long,          caller_ip       )
1181                 __field(enum btree_id,          btree_id        )
1182                 TRACE_BPOS_entries(pos)
1183                 __field(u32,                    old_u64s        )
1184                 __field(u32,                    new_u64s        )
1185         ),
1186
1187         TP_fast_assign(
1188                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1189                 __entry->caller_ip              = caller_ip;
1190
1191                 __entry->btree_id       = path->btree_id;
1192                 TRACE_BPOS_assign(pos, path->pos);
1193                 __entry->old_u64s       = old_u64s;
1194                 __entry->new_u64s       = new_u64s;
1195         ),
1196
1197         TP_printk("%s %pS btree %s pos %llu:%llu:%u old_u64s %u new_u64s %u",
1198                   __entry->trans_fn,
1199                   (void *) __entry->caller_ip,
1200                   bch2_btree_ids[__entry->btree_id],
1201                   __entry->pos_inode,
1202                   __entry->pos_offset,
1203                   __entry->pos_snapshot,
1204                   __entry->old_u64s,
1205                   __entry->new_u64s)
1206 );
1207
1208 DEFINE_EVENT(transaction_event, trans_restart_write_buffer_flush,
1209         TP_PROTO(struct btree_trans *trans,
1210                  unsigned long caller_ip),
1211         TP_ARGS(trans, caller_ip)
1212 );
1213
1214 TRACE_EVENT(write_buffer_flush,
1215         TP_PROTO(struct btree_trans *trans, size_t nr, size_t skipped, size_t fast, size_t size),
1216         TP_ARGS(trans, nr, skipped, fast, size),
1217
1218         TP_STRUCT__entry(
1219                 __field(size_t,         nr              )
1220                 __field(size_t,         skipped         )
1221                 __field(size_t,         fast            )
1222                 __field(size_t,         size            )
1223         ),
1224
1225         TP_fast_assign(
1226                 __entry->nr     = nr;
1227                 __entry->skipped = skipped;
1228                 __entry->fast   = fast;
1229                 __entry->size   = size;
1230         ),
1231
1232         TP_printk("%zu/%zu skipped %zu fast %zu",
1233                   __entry->nr, __entry->size, __entry->skipped, __entry->fast)
1234 );
1235
1236 TRACE_EVENT(write_buffer_flush_slowpath,
1237         TP_PROTO(struct btree_trans *trans, size_t nr, size_t size),
1238         TP_ARGS(trans, nr, size),
1239
1240         TP_STRUCT__entry(
1241                 __field(size_t,         nr              )
1242                 __field(size_t,         size            )
1243         ),
1244
1245         TP_fast_assign(
1246                 __entry->nr     = nr;
1247                 __entry->size   = size;
1248         ),
1249
1250         TP_printk("%zu/%zu", __entry->nr, __entry->size)
1251 );
1252
1253 #endif /* _TRACE_BCACHE_H */
1254
1255 /* This part must be outside protection */
1256 #include <trace/define_trace.h>