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                  bool user,
 520                  u64 bucket,
 521                  u64 free,
 522                  u64 avail,
 523                  u64 copygc_wait_amount,
 524                  s64 copygc_waiting_for,
 525                  struct bucket_alloc_state *s,
 526                  bool nonblocking,
 527                  const char *err),
 528         TP_ARGS(ca, alloc_reserve, user, bucket, free, avail,
 529                 copygc_wait_amount, copygc_waiting_for,
 530                 s, nonblocking, err),
 531
 532         TP_STRUCT__entry(
 533                 __field(dev_t,                  dev                     )
 534                 __array(char,   reserve,        16                      )
 535                 __field(bool,                   user    )
 536                 __field(u64,                    bucket  )
 537                 __field(u64,                    free                    )
 538                 __field(u64,                    avail                   )
 539                 __field(u64,                    copygc_wait_amount      )
 540                 __field(s64,                    copygc_waiting_for      )
 541                 __field(u64,                    seen                    )
 542                 __field(u64,                    open                    )
 543                 __field(u64,                    need_journal_commit     )
 544                 __field(u64,                    nouse                   )
 545                 __field(bool,                   nonblocking             )
 546                 __field(u64,                    nocow                   )
 547                 __array(char,                   err,    32              )
 548         ),
 549
 550         TP_fast_assign(
 551                 __entry->dev            = ca->dev;
 552                 strscpy(__entry->reserve, alloc_reserve, sizeof(__entry->reserve));
 553                 __entry->user           = user;
 554                 __entry->bucket         = bucket;
 555                 __entry->free           = free;
 556                 __entry->avail          = avail;
 557                 __entry->copygc_wait_amount     = copygc_wait_amount;
 558                 __entry->copygc_waiting_for     = copygc_waiting_for;
 559                 __entry->seen           = s->buckets_seen;
 560                 __entry->open           = s->skipped_open;
 561                 __entry->need_journal_commit = s->skipped_need_journal_commit;
 562                 __entry->nouse          = s->skipped_nouse;
 563                 __entry->nonblocking    = nonblocking;
 564                 __entry->nocow          = s->skipped_nocow;
 565                 strscpy(__entry->err, err, sizeof(__entry->err));
 566         ),
 567
 568         TP_printk("%d,%d reserve %s user %u bucket %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",
 569                   MAJOR(__entry->dev), MINOR(__entry->dev),
 570                   __entry->reserve,
 571                   __entry->user,
 572                   __entry->bucket,
 573                   __entry->free,
 574                   __entry->avail,
 575                   __entry->copygc_wait_amount,
 576                   __entry->copygc_waiting_for,
 577                   __entry->seen,
 578                   __entry->open,
 579                   __entry->need_journal_commit,
 580                   __entry->nouse,
 581                   __entry->nocow,
 582                   __entry->nonblocking,
 583                   __entry->err)
 584 );
 585
 586 DEFINE_EVENT(bucket_alloc, bucket_alloc,
 587         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 588                  bool user,
 589                  u64 bucket,
 590                  u64 free,
 591                  u64 avail,
 592                  u64 copygc_wait_amount,
 593                  s64 copygc_waiting_for,
 594                  struct bucket_alloc_state *s,
 595                  bool nonblocking,
 596                  const char *err),
 597         TP_ARGS(ca, alloc_reserve, user, bucket, free, avail,
 598                 copygc_wait_amount, copygc_waiting_for,
 599                 s, nonblocking, err)
 600 );
 601
 602 DEFINE_EVENT(bucket_alloc, bucket_alloc_fail,
 603         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 604                  bool user,
 605                  u64 bucket,
 606                  u64 free,
 607                  u64 avail,
 608                  u64 copygc_wait_amount,
 609                  s64 copygc_waiting_for,
 610                  struct bucket_alloc_state *s,
 611                  bool nonblocking,
 612                  const char *err),
 613         TP_ARGS(ca, alloc_reserve, user, bucket, free, avail,
 614                 copygc_wait_amount, copygc_waiting_for,
 615                 s, nonblocking, err)
 616 );
 617
 618 TRACE_EVENT(discard_buckets,
 619         TP_PROTO(struct bch_fs *c, u64 seen, u64 open,
 620                  u64 need_journal_commit, u64 discarded, const char *err),
 621         TP_ARGS(c, seen, open, need_journal_commit, discarded, err),
 622
 623         TP_STRUCT__entry(
 624                 __field(dev_t,          dev                     )
 625                 __field(u64,            seen                    )
 626                 __field(u64,            open                    )
 627                 __field(u64,            need_journal_commit     )
 628                 __field(u64,            discarded               )
 629                 __array(char,           err,    16              )
 630         ),
 631
 632         TP_fast_assign(
 633                 __entry->dev                    = c->dev;
 634                 __entry->seen                   = seen;
 635                 __entry->open                   = open;
 636                 __entry->need_journal_commit    = need_journal_commit;
 637                 __entry->discarded              = discarded;
 638                 strscpy(__entry->err, err, sizeof(__entry->err));
 639         ),
 640
 641         TP_printk("%d%d seen %llu open %llu need_journal_commit %llu discarded %llu err %s",
 642                   MAJOR(__entry->dev), MINOR(__entry->dev),
 643                   __entry->seen,
 644                   __entry->open,
 645                   __entry->need_journal_commit,
 646                   __entry->discarded,
 647                   __entry->err)
 648 );
 649
 650 TRACE_EVENT(bucket_invalidate,
 651         TP_PROTO(struct bch_fs *c, unsigned dev, u64 bucket, u32 sectors),
 652         TP_ARGS(c, dev, bucket, sectors),
 653
 654         TP_STRUCT__entry(
 655                 __field(dev_t,          dev                     )
 656                 __field(u32,            dev_idx                 )
 657                 __field(u32,            sectors                 )
 658                 __field(u64,            bucket                  )
 659         ),
 660
 661         TP_fast_assign(
 662                 __entry->dev            = c->dev;
 663                 __entry->dev_idx        = dev;
 664                 __entry->sectors        = sectors;
 665                 __entry->bucket         = bucket;
 666         ),
 667
 668         TP_printk("%d:%d invalidated %u:%llu cached sectors %u",
 669                   MAJOR(__entry->dev), MINOR(__entry->dev),
 670                   __entry->dev_idx, __entry->bucket,
 671                   __entry->sectors)
 672 );
 673
 674 /* Moving IO */
 675
 676 DEFINE_EVENT(bkey, move_extent_read,
 677         TP_PROTO(const struct bkey *k),
 678         TP_ARGS(k)
 679 );
 680
 681 DEFINE_EVENT(bkey, move_extent_write,
 682         TP_PROTO(const struct bkey *k),
 683         TP_ARGS(k)
 684 );
 685
 686 DEFINE_EVENT(bkey, move_extent_finish,
 687         TP_PROTO(const struct bkey *k),
 688         TP_ARGS(k)
 689 );
 690
 691 DEFINE_EVENT(bkey, move_extent_fail,
 692         TP_PROTO(const struct bkey *k),
 693         TP_ARGS(k)
 694 );
 695
 696 DEFINE_EVENT(bkey, move_extent_alloc_mem_fail,
 697         TP_PROTO(const struct bkey *k),
 698         TP_ARGS(k)
 699 );
 700
 701 TRACE_EVENT(move_data,
 702         TP_PROTO(struct bch_fs *c, u64 sectors_moved,
 703                  u64 keys_moved),
 704         TP_ARGS(c, sectors_moved, keys_moved),
 705
 706         TP_STRUCT__entry(
 707                 __field(dev_t,          dev                     )
 708                 __field(u64,            sectors_moved   )
 709                 __field(u64,            keys_moved      )
 710         ),
 711
 712         TP_fast_assign(
 713                 __entry->dev                    = c->dev;
 714                 __entry->sectors_moved = sectors_moved;
 715                 __entry->keys_moved = keys_moved;
 716         ),
 717
 718         TP_printk("%d,%d sectors_moved %llu keys_moved %llu",
 719                   MAJOR(__entry->dev), MINOR(__entry->dev),
 720                   __entry->sectors_moved, __entry->keys_moved)
 721 );
 722
 723 TRACE_EVENT(evacuate_bucket,
 724         TP_PROTO(struct bch_fs *c, struct bpos *bucket,
 725                  unsigned sectors, unsigned bucket_size,
 726                  u64 fragmentation, int ret),
 727         TP_ARGS(c, bucket, sectors, bucket_size, fragmentation, ret),
 728
 729         TP_STRUCT__entry(
 730                 __field(dev_t,          dev             )
 731                 __field(u64,            member          )
 732                 __field(u64,            bucket          )
 733                 __field(u32,            sectors         )
 734                 __field(u32,            bucket_size     )
 735                 __field(u64,            fragmentation   )
 736                 __field(int,            ret             )
 737         ),
 738
 739         TP_fast_assign(
 740                 __entry->dev                    = c->dev;
 741                 __entry->member                 = bucket->inode;
 742                 __entry->bucket                 = bucket->offset;
 743                 __entry->sectors                = sectors;
 744                 __entry->bucket_size            = bucket_size;
 745                 __entry->fragmentation          = fragmentation;
 746                 __entry->ret                    = ret;
 747         ),
 748
 749         TP_printk("%d,%d %llu:%llu sectors %u/%u fragmentation %llu ret %i",
 750                   MAJOR(__entry->dev), MINOR(__entry->dev),
 751                   __entry->member, __entry->bucket,
 752                   __entry->sectors, __entry->bucket_size,
 753                   __entry->fragmentation, __entry->ret)
 754 );
 755
 756 TRACE_EVENT(copygc,
 757         TP_PROTO(struct bch_fs *c,
 758                  u64 sectors_moved, u64 sectors_not_moved,
 759                  u64 buckets_moved, u64 buckets_not_moved),
 760         TP_ARGS(c,
 761                 sectors_moved, sectors_not_moved,
 762                 buckets_moved, buckets_not_moved),
 763
 764         TP_STRUCT__entry(
 765                 __field(dev_t,          dev                     )
 766                 __field(u64,            sectors_moved           )
 767                 __field(u64,            sectors_not_moved       )
 768                 __field(u64,            buckets_moved           )
 769                 __field(u64,            buckets_not_moved       )
 770         ),
 771
 772         TP_fast_assign(
 773                 __entry->dev                    = c->dev;
 774                 __entry->sectors_moved          = sectors_moved;
 775                 __entry->sectors_not_moved      = sectors_not_moved;
 776                 __entry->buckets_moved          = buckets_moved;
 777                 __entry->buckets_not_moved = buckets_moved;
 778         ),
 779
 780         TP_printk("%d,%d sectors moved %llu remain %llu buckets moved %llu remain %llu",
 781                   MAJOR(__entry->dev), MINOR(__entry->dev),
 782                   __entry->sectors_moved, __entry->sectors_not_moved,
 783                   __entry->buckets_moved, __entry->buckets_not_moved)
 784 );
 785
 786 TRACE_EVENT(copygc_wait,
 787         TP_PROTO(struct bch_fs *c,
 788                  u64 wait_amount, u64 until),
 789         TP_ARGS(c, wait_amount, until),
 790
 791         TP_STRUCT__entry(
 792                 __field(dev_t,          dev                     )
 793                 __field(u64,            wait_amount             )
 794                 __field(u64,            until                   )
 795         ),
 796
 797         TP_fast_assign(
 798                 __entry->dev            = c->dev;
 799                 __entry->wait_amount    = wait_amount;
 800                 __entry->until          = until;
 801         ),
 802
 803         TP_printk("%d,%u waiting for %llu sectors until %llu",
 804                   MAJOR(__entry->dev), MINOR(__entry->dev),
 805                   __entry->wait_amount, __entry->until)
 806 );
 807
 808 /* btree transactions: */
 809
 810 DECLARE_EVENT_CLASS(transaction_event,
 811         TP_PROTO(struct btree_trans *trans,
 812                  unsigned long caller_ip),
 813         TP_ARGS(trans, caller_ip),
 814
 815         TP_STRUCT__entry(
 816                 __array(char,                   trans_fn, 32    )
 817                 __field(unsigned long,          caller_ip       )
 818         ),
 819
 820         TP_fast_assign(
 821                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 822                 __entry->caller_ip              = caller_ip;
 823         ),
 824
 825         TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
 826 );
 827
 828 DEFINE_EVENT(transaction_event, transaction_commit,
 829         TP_PROTO(struct btree_trans *trans,
 830                  unsigned long caller_ip),
 831         TP_ARGS(trans, caller_ip)
 832 );
 833
 834 DEFINE_EVENT(transaction_event, trans_restart_injected,
 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_blocked_journal_reclaim,
 841         TP_PROTO(struct btree_trans *trans,
 842                  unsigned long caller_ip),
 843         TP_ARGS(trans, caller_ip)
 844 );
 845
 846 DEFINE_EVENT(transaction_event, trans_restart_journal_res_get,
 847         TP_PROTO(struct btree_trans *trans,
 848                  unsigned long caller_ip),
 849         TP_ARGS(trans, caller_ip)
 850 );
 851
 852
 853 TRACE_EVENT(trans_restart_journal_preres_get,
 854         TP_PROTO(struct btree_trans *trans,
 855                  unsigned long caller_ip,
 856                  unsigned flags),
 857         TP_ARGS(trans, caller_ip, flags),
 858
 859         TP_STRUCT__entry(
 860                 __array(char,                   trans_fn, 32    )
 861                 __field(unsigned long,          caller_ip       )
 862                 __field(unsigned,               flags           )
 863         ),
 864
 865         TP_fast_assign(
 866                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 867                 __entry->caller_ip              = caller_ip;
 868                 __entry->flags                  = flags;
 869         ),
 870
 871         TP_printk("%s %pS %x", __entry->trans_fn,
 872                   (void *) __entry->caller_ip,
 873                   __entry->flags)
 874 );
 875
 876 DEFINE_EVENT(transaction_event, trans_restart_journal_reclaim,
 877         TP_PROTO(struct btree_trans *trans,
 878                  unsigned long caller_ip),
 879         TP_ARGS(trans, caller_ip)
 880 );
 881
 882 DEFINE_EVENT(transaction_event, trans_restart_fault_inject,
 883         TP_PROTO(struct btree_trans *trans,
 884                  unsigned long caller_ip),
 885         TP_ARGS(trans, caller_ip)
 886 );
 887
 888 DEFINE_EVENT(transaction_event, trans_traverse_all,
 889         TP_PROTO(struct btree_trans *trans,
 890                  unsigned long caller_ip),
 891         TP_ARGS(trans, caller_ip)
 892 );
 893
 894 DEFINE_EVENT(transaction_event, trans_restart_mark_replicas,
 895         TP_PROTO(struct btree_trans *trans,
 896                  unsigned long caller_ip),
 897         TP_ARGS(trans, caller_ip)
 898 );
 899
 900 DEFINE_EVENT(transaction_event, trans_restart_key_cache_raced,
 901         TP_PROTO(struct btree_trans *trans,
 902                  unsigned long caller_ip),
 903         TP_ARGS(trans, caller_ip)
 904 );
 905
 906 DEFINE_EVENT(transaction_event, trans_restart_too_many_iters,
 907         TP_PROTO(struct btree_trans *trans,
 908                  unsigned long caller_ip),
 909         TP_ARGS(trans, caller_ip)
 910 );
 911
 912 DECLARE_EVENT_CLASS(transaction_restart_iter,
 913         TP_PROTO(struct btree_trans *trans,
 914                  unsigned long caller_ip,
 915                  struct btree_path *path),
 916         TP_ARGS(trans, caller_ip, path),
 917
 918         TP_STRUCT__entry(
 919                 __array(char,                   trans_fn, 32    )
 920                 __field(unsigned long,          caller_ip       )
 921                 __field(u8,                     btree_id        )
 922                 TRACE_BPOS_entries(pos)
 923         ),
 924
 925         TP_fast_assign(
 926                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 927                 __entry->caller_ip              = caller_ip;
 928                 __entry->btree_id               = path->btree_id;
 929                 TRACE_BPOS_assign(pos, path->pos)
 930         ),
 931
 932         TP_printk("%s %pS btree %s pos %llu:%llu:%u",
 933                   __entry->trans_fn,
 934                   (void *) __entry->caller_ip,
 935                   bch2_btree_ids[__entry->btree_id],
 936                   __entry->pos_inode,
 937                   __entry->pos_offset,
 938                   __entry->pos_snapshot)
 939 );
 940
 941 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_reused,
 942         TP_PROTO(struct btree_trans *trans,
 943                  unsigned long caller_ip,
 944                  struct btree_path *path),
 945         TP_ARGS(trans, caller_ip, path)
 946 );
 947
 948 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_split,
 949         TP_PROTO(struct btree_trans *trans,
 950                  unsigned long caller_ip,
 951                  struct btree_path *path),
 952         TP_ARGS(trans, caller_ip, path)
 953 );
 954
 955 TRACE_EVENT(trans_restart_upgrade,
 956         TP_PROTO(struct btree_trans *trans,
 957                  unsigned long caller_ip,
 958                  struct btree_path *path,
 959                  unsigned old_locks_want,
 960                  unsigned new_locks_want),
 961         TP_ARGS(trans, caller_ip, path, old_locks_want, new_locks_want),
 962
 963         TP_STRUCT__entry(
 964                 __array(char,                   trans_fn, 32    )
 965                 __field(unsigned long,          caller_ip       )
 966                 __field(u8,                     btree_id        )
 967                 __field(u8,                     old_locks_want  )
 968                 __field(u8,                     new_locks_want  )
 969                 TRACE_BPOS_entries(pos)
 970         ),
 971
 972         TP_fast_assign(
 973                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 974                 __entry->caller_ip              = caller_ip;
 975                 __entry->btree_id               = path->btree_id;
 976                 __entry->old_locks_want         = old_locks_want;
 977                 __entry->new_locks_want         = new_locks_want;
 978                 TRACE_BPOS_assign(pos, path->pos)
 979         ),
 980
 981         TP_printk("%s %pS btree %s pos %llu:%llu:%u locks_want %u -> %u",
 982                   __entry->trans_fn,
 983                   (void *) __entry->caller_ip,
 984                   bch2_btree_ids[__entry->btree_id],
 985                   __entry->pos_inode,
 986                   __entry->pos_offset,
 987                   __entry->pos_snapshot,
 988                   __entry->old_locks_want,
 989                   __entry->new_locks_want)
 990 );
 991
 992 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock,
 993         TP_PROTO(struct btree_trans *trans,
 994                  unsigned long caller_ip,
 995                  struct btree_path *path),
 996         TP_ARGS(trans, caller_ip, path)
 997 );
 998
 999 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_next_node,
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_relock_parent_for_fill,
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 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_after_fill,
1014         TP_PROTO(struct btree_trans *trans,
1015                  unsigned long caller_ip,
1016                  struct btree_path *path),
1017         TP_ARGS(trans, caller_ip, path)
1018 );
1019
1020 DEFINE_EVENT(transaction_event, trans_restart_key_cache_upgrade,
1021         TP_PROTO(struct btree_trans *trans,
1022                  unsigned long caller_ip),
1023         TP_ARGS(trans, caller_ip)
1024 );
1025
1026 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_key_cache_fill,
1027         TP_PROTO(struct btree_trans *trans,
1028                  unsigned long caller_ip,
1029                  struct btree_path *path),
1030         TP_ARGS(trans, caller_ip, path)
1031 );
1032
1033 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_path,
1034         TP_PROTO(struct btree_trans *trans,
1035                  unsigned long caller_ip,
1036                  struct btree_path *path),
1037         TP_ARGS(trans, caller_ip, path)
1038 );
1039
1040 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_path_intent,
1041         TP_PROTO(struct btree_trans *trans,
1042                  unsigned long caller_ip,
1043                  struct btree_path *path),
1044         TP_ARGS(trans, caller_ip, path)
1045 );
1046
1047 DEFINE_EVENT(transaction_restart_iter,  trans_restart_traverse,
1048         TP_PROTO(struct btree_trans *trans,
1049                  unsigned long caller_ip,
1050                  struct btree_path *path),
1051         TP_ARGS(trans, caller_ip, path)
1052 );
1053
1054 DEFINE_EVENT(transaction_restart_iter,  trans_restart_memory_allocation_failure,
1055         TP_PROTO(struct btree_trans *trans,
1056                  unsigned long caller_ip,
1057                  struct btree_path *path),
1058         TP_ARGS(trans, caller_ip, path)
1059 );
1060
1061 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock,
1062         TP_PROTO(struct btree_trans *trans,
1063                  unsigned long caller_ip),
1064         TP_ARGS(trans, caller_ip)
1065 );
1066
1067 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock_recursion_limit,
1068         TP_PROTO(struct btree_trans *trans,
1069                  unsigned long caller_ip),
1070         TP_ARGS(trans, caller_ip)
1071 );
1072
1073 TRACE_EVENT(trans_restart_would_deadlock_write,
1074         TP_PROTO(struct btree_trans *trans),
1075         TP_ARGS(trans),
1076
1077         TP_STRUCT__entry(
1078                 __array(char,                   trans_fn, 32    )
1079         ),
1080
1081         TP_fast_assign(
1082                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1083         ),
1084
1085         TP_printk("%s", __entry->trans_fn)
1086 );
1087
1088 TRACE_EVENT(trans_restart_mem_realloced,
1089         TP_PROTO(struct btree_trans *trans,
1090                  unsigned long caller_ip,
1091                  unsigned long bytes),
1092         TP_ARGS(trans, caller_ip, bytes),
1093
1094         TP_STRUCT__entry(
1095                 __array(char,                   trans_fn, 32    )
1096                 __field(unsigned long,          caller_ip       )
1097                 __field(unsigned long,          bytes           )
1098         ),
1099
1100         TP_fast_assign(
1101                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1102                 __entry->caller_ip      = caller_ip;
1103                 __entry->bytes          = bytes;
1104         ),
1105
1106         TP_printk("%s %pS bytes %lu",
1107                   __entry->trans_fn,
1108                   (void *) __entry->caller_ip,
1109                   __entry->bytes)
1110 );
1111
1112 TRACE_EVENT(trans_restart_key_cache_key_realloced,
1113         TP_PROTO(struct btree_trans *trans,
1114                  unsigned long caller_ip,
1115                  struct btree_path *path,
1116                  unsigned old_u64s,
1117                  unsigned new_u64s),
1118         TP_ARGS(trans, caller_ip, path, old_u64s, new_u64s),
1119
1120         TP_STRUCT__entry(
1121                 __array(char,                   trans_fn, 32    )
1122                 __field(unsigned long,          caller_ip       )
1123                 __field(enum btree_id,          btree_id        )
1124                 TRACE_BPOS_entries(pos)
1125                 __field(u32,                    old_u64s        )
1126                 __field(u32,                    new_u64s        )
1127         ),
1128
1129         TP_fast_assign(
1130                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1131                 __entry->caller_ip              = caller_ip;
1132
1133                 __entry->btree_id       = path->btree_id;
1134                 TRACE_BPOS_assign(pos, path->pos);
1135                 __entry->old_u64s       = old_u64s;
1136                 __entry->new_u64s       = new_u64s;
1137         ),
1138
1139         TP_printk("%s %pS btree %s pos %llu:%llu:%u old_u64s %u new_u64s %u",
1140                   __entry->trans_fn,
1141                   (void *) __entry->caller_ip,
1142                   bch2_btree_ids[__entry->btree_id],
1143                   __entry->pos_inode,
1144                   __entry->pos_offset,
1145                   __entry->pos_snapshot,
1146                   __entry->old_u64s,
1147                   __entry->new_u64s)
1148 );
1149
1150 DEFINE_EVENT(transaction_event, trans_restart_write_buffer_flush,
1151         TP_PROTO(struct btree_trans *trans,
1152                  unsigned long caller_ip),
1153         TP_ARGS(trans, caller_ip)
1154 );
1155
1156 TRACE_EVENT(write_buffer_flush,
1157         TP_PROTO(struct btree_trans *trans, size_t nr, size_t skipped, size_t fast, size_t size),
1158         TP_ARGS(trans, nr, skipped, fast, size),
1159
1160         TP_STRUCT__entry(
1161                 __field(size_t,         nr              )
1162                 __field(size_t,         skipped         )
1163                 __field(size_t,         fast            )
1164                 __field(size_t,         size            )
1165         ),
1166
1167         TP_fast_assign(
1168                 __entry->nr     = nr;
1169                 __entry->skipped = skipped;
1170                 __entry->fast   = fast;
1171                 __entry->size   = size;
1172         ),
1173
1174         TP_printk("%zu/%zu skipped %zu fast %zu",
1175                   __entry->nr, __entry->size, __entry->skipped, __entry->fast)
1176 );
1177
1178 TRACE_EVENT(write_buffer_flush_slowpath,
1179         TP_PROTO(struct btree_trans *trans, size_t nr, size_t size),
1180         TP_ARGS(trans, nr, size),
1181
1182         TP_STRUCT__entry(
1183                 __field(size_t,         nr              )
1184                 __field(size_t,         size            )
1185         ),
1186
1187         TP_fast_assign(
1188                 __entry->nr     = nr;
1189                 __entry->size   = size;
1190         ),
1191
1192         TP_printk("%zu/%zu", __entry->nr, __entry->size)
1193 );
1194
1195 #endif /* _TRACE_BCACHE_H */
1196
1197 /* This part must be outside protection */
1198 #include <trace/define_trace.h>