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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM bcachefs
   4
   5 #if !defined(_TRACE_BCACHEFS_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_BCACHEFS_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_id_str(__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 TRACE_EVENT(read_nopromote,
 141         TP_PROTO(struct bch_fs *c, int ret),
 142         TP_ARGS(c, ret),
 143
 144         TP_STRUCT__entry(
 145                 __field(dev_t,          dev             )
 146                 __array(char,           ret, 32         )
 147         ),
 148
 149         TP_fast_assign(
 150                 __entry->dev            = c->dev;
 151                 strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
 152         ),
 153
 154         TP_printk("%d,%d ret %s",
 155                   MAJOR(__entry->dev), MINOR(__entry->dev),
 156                   __entry->ret)
 157 );
 158
 159 DEFINE_EVENT(bio, read_bounce,
 160         TP_PROTO(struct bio *bio),
 161         TP_ARGS(bio)
 162 );
 163
 164 DEFINE_EVENT(bio, read_split,
 165         TP_PROTO(struct bio *bio),
 166         TP_ARGS(bio)
 167 );
 168
 169 DEFINE_EVENT(bio, read_retry,
 170         TP_PROTO(struct bio *bio),
 171         TP_ARGS(bio)
 172 );
 173
 174 DEFINE_EVENT(bio, read_reuse_race,
 175         TP_PROTO(struct bio *bio),
 176         TP_ARGS(bio)
 177 );
 178
 179 /* Journal */
 180
 181 DEFINE_EVENT(bch_fs, journal_full,
 182         TP_PROTO(struct bch_fs *c),
 183         TP_ARGS(c)
 184 );
 185
 186 DEFINE_EVENT(bch_fs, journal_entry_full,
 187         TP_PROTO(struct bch_fs *c),
 188         TP_ARGS(c)
 189 );
 190
 191 DEFINE_EVENT(bio, journal_write,
 192         TP_PROTO(struct bio *bio),
 193         TP_ARGS(bio)
 194 );
 195
 196 TRACE_EVENT(journal_reclaim_start,
 197         TP_PROTO(struct bch_fs *c, bool direct, bool kicked,
 198                  u64 min_nr, u64 min_key_cache,
 199                  u64 btree_cache_dirty, u64 btree_cache_total,
 200                  u64 btree_key_cache_dirty, u64 btree_key_cache_total),
 201         TP_ARGS(c, direct, kicked, min_nr, min_key_cache,
 202                 btree_cache_dirty, btree_cache_total,
 203                 btree_key_cache_dirty, btree_key_cache_total),
 204
 205         TP_STRUCT__entry(
 206                 __field(dev_t,          dev                     )
 207                 __field(bool,           direct                  )
 208                 __field(bool,           kicked                  )
 209                 __field(u64,            min_nr                  )
 210                 __field(u64,            min_key_cache           )
 211                 __field(u64,            btree_cache_dirty       )
 212                 __field(u64,            btree_cache_total       )
 213                 __field(u64,            btree_key_cache_dirty   )
 214                 __field(u64,            btree_key_cache_total   )
 215         ),
 216
 217         TP_fast_assign(
 218                 __entry->dev                    = c->dev;
 219                 __entry->direct                 = direct;
 220                 __entry->kicked                 = kicked;
 221                 __entry->min_nr                 = min_nr;
 222                 __entry->min_key_cache          = min_key_cache;
 223                 __entry->btree_cache_dirty      = btree_cache_dirty;
 224                 __entry->btree_cache_total      = btree_cache_total;
 225                 __entry->btree_key_cache_dirty  = btree_key_cache_dirty;
 226                 __entry->btree_key_cache_total  = btree_key_cache_total;
 227         ),
 228
 229         TP_printk("%d,%d direct %u kicked %u min %llu key cache %llu btree cache %llu/%llu key cache %llu/%llu",
 230                   MAJOR(__entry->dev), MINOR(__entry->dev),
 231                   __entry->direct,
 232                   __entry->kicked,
 233                   __entry->min_nr,
 234                   __entry->min_key_cache,
 235                   __entry->btree_cache_dirty,
 236                   __entry->btree_cache_total,
 237                   __entry->btree_key_cache_dirty,
 238                   __entry->btree_key_cache_total)
 239 );
 240
 241 TRACE_EVENT(journal_reclaim_finish,
 242         TP_PROTO(struct bch_fs *c, u64 nr_flushed),
 243         TP_ARGS(c, nr_flushed),
 244
 245         TP_STRUCT__entry(
 246                 __field(dev_t,          dev                     )
 247                 __field(u64,            nr_flushed              )
 248         ),
 249
 250         TP_fast_assign(
 251                 __entry->dev            = c->dev;
 252                 __entry->nr_flushed     = nr_flushed;
 253         ),
 254
 255         TP_printk("%d,%d flushed %llu",
 256                   MAJOR(__entry->dev), MINOR(__entry->dev),
 257                   __entry->nr_flushed)
 258 );
 259
 260 /* bset.c: */
 261
 262 DEFINE_EVENT(bpos, bkey_pack_pos_fail,
 263         TP_PROTO(const struct bpos *p),
 264         TP_ARGS(p)
 265 );
 266
 267 /* Btree cache: */
 268
 269 TRACE_EVENT(btree_cache_scan,
 270         TP_PROTO(long nr_to_scan, long can_free, long ret),
 271         TP_ARGS(nr_to_scan, can_free, ret),
 272
 273         TP_STRUCT__entry(
 274                 __field(long,   nr_to_scan              )
 275                 __field(long,   can_free                )
 276                 __field(long,   ret                     )
 277         ),
 278
 279         TP_fast_assign(
 280                 __entry->nr_to_scan     = nr_to_scan;
 281                 __entry->can_free       = can_free;
 282                 __entry->ret            = ret;
 283         ),
 284
 285         TP_printk("scanned for %li nodes, can free %li, ret %li",
 286                   __entry->nr_to_scan, __entry->can_free, __entry->ret)
 287 );
 288
 289 DEFINE_EVENT(btree_node, btree_cache_reap,
 290         TP_PROTO(struct bch_fs *c, struct btree *b),
 291         TP_ARGS(c, b)
 292 );
 293
 294 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_lock_fail,
 295         TP_PROTO(struct bch_fs *c),
 296         TP_ARGS(c)
 297 );
 298
 299 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_lock,
 300         TP_PROTO(struct bch_fs *c),
 301         TP_ARGS(c)
 302 );
 303
 304 DEFINE_EVENT(bch_fs, btree_cache_cannibalize,
 305         TP_PROTO(struct bch_fs *c),
 306         TP_ARGS(c)
 307 );
 308
 309 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_unlock,
 310         TP_PROTO(struct bch_fs *c),
 311         TP_ARGS(c)
 312 );
 313
 314 /* Btree */
 315
 316 DEFINE_EVENT(btree_node, btree_node_read,
 317         TP_PROTO(struct bch_fs *c, struct btree *b),
 318         TP_ARGS(c, b)
 319 );
 320
 321 TRACE_EVENT(btree_node_write,
 322         TP_PROTO(struct btree *b, unsigned bytes, unsigned sectors),
 323         TP_ARGS(b, bytes, sectors),
 324
 325         TP_STRUCT__entry(
 326                 __field(enum btree_node_type,   type)
 327                 __field(unsigned,       bytes                   )
 328                 __field(unsigned,       sectors                 )
 329         ),
 330
 331         TP_fast_assign(
 332                 __entry->type   = btree_node_type(b);
 333                 __entry->bytes  = bytes;
 334                 __entry->sectors = sectors;
 335         ),
 336
 337         TP_printk("bkey type %u bytes %u sectors %u",
 338                   __entry->type , __entry->bytes, __entry->sectors)
 339 );
 340
 341 DEFINE_EVENT(btree_node, btree_node_alloc,
 342         TP_PROTO(struct bch_fs *c, struct btree *b),
 343         TP_ARGS(c, b)
 344 );
 345
 346 DEFINE_EVENT(btree_node, btree_node_free,
 347         TP_PROTO(struct bch_fs *c, struct btree *b),
 348         TP_ARGS(c, b)
 349 );
 350
 351 TRACE_EVENT(btree_reserve_get_fail,
 352         TP_PROTO(const char *trans_fn,
 353                  unsigned long caller_ip,
 354                  size_t required,
 355                  int ret),
 356         TP_ARGS(trans_fn, caller_ip, required, ret),
 357
 358         TP_STRUCT__entry(
 359                 __array(char,                   trans_fn, 32    )
 360                 __field(unsigned long,          caller_ip       )
 361                 __field(size_t,                 required        )
 362                 __array(char,                   ret, 32         )
 363         ),
 364
 365         TP_fast_assign(
 366                 strscpy(__entry->trans_fn, trans_fn, sizeof(__entry->trans_fn));
 367                 __entry->caller_ip      = caller_ip;
 368                 __entry->required       = required;
 369                 strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
 370         ),
 371
 372         TP_printk("%s %pS required %zu ret %s",
 373                   __entry->trans_fn,
 374                   (void *) __entry->caller_ip,
 375                   __entry->required,
 376                   __entry->ret)
 377 );
 378
 379 DEFINE_EVENT(btree_node, btree_node_compact,
 380         TP_PROTO(struct bch_fs *c, struct btree *b),
 381         TP_ARGS(c, b)
 382 );
 383
 384 DEFINE_EVENT(btree_node, btree_node_merge,
 385         TP_PROTO(struct bch_fs *c, struct btree *b),
 386         TP_ARGS(c, b)
 387 );
 388
 389 DEFINE_EVENT(btree_node, btree_node_split,
 390         TP_PROTO(struct bch_fs *c, struct btree *b),
 391         TP_ARGS(c, b)
 392 );
 393
 394 DEFINE_EVENT(btree_node, btree_node_rewrite,
 395         TP_PROTO(struct bch_fs *c, struct btree *b),
 396         TP_ARGS(c, b)
 397 );
 398
 399 DEFINE_EVENT(btree_node, btree_node_set_root,
 400         TP_PROTO(struct bch_fs *c, struct btree *b),
 401         TP_ARGS(c, b)
 402 );
 403
 404 TRACE_EVENT(btree_path_relock_fail,
 405         TP_PROTO(struct btree_trans *trans,
 406                  unsigned long caller_ip,
 407                  struct btree_path *path,
 408                  unsigned level),
 409         TP_ARGS(trans, caller_ip, path, level),
 410
 411         TP_STRUCT__entry(
 412                 __array(char,                   trans_fn, 32    )
 413                 __field(unsigned long,          caller_ip       )
 414                 __field(u8,                     btree_id        )
 415                 __field(u8,                     level           )
 416                 TRACE_BPOS_entries(pos)
 417                 __array(char,                   node, 24        )
 418                 __field(u8,                     self_read_count )
 419                 __field(u8,                     self_intent_count)
 420                 __field(u8,                     read_count      )
 421                 __field(u8,                     intent_count    )
 422                 __field(u32,                    iter_lock_seq   )
 423                 __field(u32,                    node_lock_seq   )
 424         ),
 425
 426         TP_fast_assign(
 427                 struct btree *b = btree_path_node(path, level);
 428                 struct six_lock_count c;
 429
 430                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 431                 __entry->caller_ip              = caller_ip;
 432                 __entry->btree_id               = path->btree_id;
 433                 __entry->level                  = path->level;
 434                 TRACE_BPOS_assign(pos, path->pos);
 435
 436                 c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
 437                 __entry->self_read_count        = c.n[SIX_LOCK_read];
 438                 __entry->self_intent_count      = c.n[SIX_LOCK_intent];
 439
 440                 if (IS_ERR(b)) {
 441                         strscpy(__entry->node, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node));
 442                 } else {
 443                         c = six_lock_counts(&path->l[level].b->c.lock);
 444                         __entry->read_count     = c.n[SIX_LOCK_read];
 445                         __entry->intent_count   = c.n[SIX_LOCK_intent];
 446                         scnprintf(__entry->node, sizeof(__entry->node), "%px", b);
 447                 }
 448                 __entry->iter_lock_seq          = path->l[level].lock_seq;
 449                 __entry->node_lock_seq          = is_btree_node(path, level)
 450                         ? six_lock_seq(&path->l[level].b->c.lock)
 451                         : 0;
 452         ),
 453
 454         TP_printk("%s %pS btree %s pos %llu:%llu:%u level %u node %s held %u:%u lock count %u:%u iter seq %u lock seq %u",
 455                   __entry->trans_fn,
 456                   (void *) __entry->caller_ip,
 457                   bch2_btree_id_str(__entry->btree_id),
 458                   __entry->pos_inode,
 459                   __entry->pos_offset,
 460                   __entry->pos_snapshot,
 461                   __entry->level,
 462                   __entry->node,
 463                   __entry->self_read_count,
 464                   __entry->self_intent_count,
 465                   __entry->read_count,
 466                   __entry->intent_count,
 467                   __entry->iter_lock_seq,
 468                   __entry->node_lock_seq)
 469 );
 470
 471 TRACE_EVENT(btree_path_upgrade_fail,
 472         TP_PROTO(struct btree_trans *trans,
 473                  unsigned long caller_ip,
 474                  struct btree_path *path,
 475                  unsigned level),
 476         TP_ARGS(trans, caller_ip, path, level),
 477
 478         TP_STRUCT__entry(
 479                 __array(char,                   trans_fn, 32    )
 480                 __field(unsigned long,          caller_ip       )
 481                 __field(u8,                     btree_id        )
 482                 __field(u8,                     level           )
 483                 TRACE_BPOS_entries(pos)
 484                 __field(u8,                     locked          )
 485                 __field(u8,                     self_read_count )
 486                 __field(u8,                     self_intent_count)
 487                 __field(u8,                     read_count      )
 488                 __field(u8,                     intent_count    )
 489                 __field(u32,                    iter_lock_seq   )
 490                 __field(u32,                    node_lock_seq   )
 491         ),
 492
 493         TP_fast_assign(
 494                 struct six_lock_count c;
 495
 496                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 497                 __entry->caller_ip              = caller_ip;
 498                 __entry->btree_id               = path->btree_id;
 499                 __entry->level                  = level;
 500                 TRACE_BPOS_assign(pos, path->pos);
 501                 __entry->locked                 = btree_node_locked(path, level);
 502
 503                 c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
 504                 __entry->self_read_count        = c.n[SIX_LOCK_read];
 505                 __entry->self_intent_count      = c.n[SIX_LOCK_intent];
 506                 c = six_lock_counts(&path->l[level].b->c.lock);
 507                 __entry->read_count             = c.n[SIX_LOCK_read];
 508                 __entry->intent_count           = c.n[SIX_LOCK_intent];
 509                 __entry->iter_lock_seq          = path->l[level].lock_seq;
 510                 __entry->node_lock_seq          = is_btree_node(path, level)
 511                         ? six_lock_seq(&path->l[level].b->c.lock)
 512                         : 0;
 513         ),
 514
 515         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",
 516                   __entry->trans_fn,
 517                   (void *) __entry->caller_ip,
 518                   bch2_btree_id_str(__entry->btree_id),
 519                   __entry->pos_inode,
 520                   __entry->pos_offset,
 521                   __entry->pos_snapshot,
 522                   __entry->level,
 523                   __entry->locked,
 524                   __entry->self_read_count,
 525                   __entry->self_intent_count,
 526                   __entry->read_count,
 527                   __entry->intent_count,
 528                   __entry->iter_lock_seq,
 529                   __entry->node_lock_seq)
 530 );
 531
 532 /* Garbage collection */
 533
 534 DEFINE_EVENT(bch_fs, gc_gens_start,
 535         TP_PROTO(struct bch_fs *c),
 536         TP_ARGS(c)
 537 );
 538
 539 DEFINE_EVENT(bch_fs, gc_gens_end,
 540         TP_PROTO(struct bch_fs *c),
 541         TP_ARGS(c)
 542 );
 543
 544 /* Allocator */
 545
 546 DECLARE_EVENT_CLASS(bucket_alloc,
 547         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 548                  u64 bucket,
 549                  u64 free,
 550                  u64 avail,
 551                  u64 copygc_wait_amount,
 552                  s64 copygc_waiting_for,
 553                  struct bucket_alloc_state *s,
 554                  bool nonblocking,
 555                  const char *err),
 556         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 557                 copygc_wait_amount, copygc_waiting_for,
 558                 s, nonblocking, err),
 559
 560         TP_STRUCT__entry(
 561                 __field(u8,                     dev                     )
 562                 __array(char,   reserve,        16                      )
 563                 __field(u64,                    bucket  )
 564                 __field(u64,                    free                    )
 565                 __field(u64,                    avail                   )
 566                 __field(u64,                    copygc_wait_amount      )
 567                 __field(s64,                    copygc_waiting_for      )
 568                 __field(u64,                    seen                    )
 569                 __field(u64,                    open                    )
 570                 __field(u64,                    need_journal_commit     )
 571                 __field(u64,                    nouse                   )
 572                 __field(bool,                   nonblocking             )
 573                 __field(u64,                    nocow                   )
 574                 __array(char,                   err,    32              )
 575         ),
 576
 577         TP_fast_assign(
 578                 __entry->dev            = ca->dev_idx;
 579                 strscpy(__entry->reserve, alloc_reserve, sizeof(__entry->reserve));
 580                 __entry->bucket         = bucket;
 581                 __entry->free           = free;
 582                 __entry->avail          = avail;
 583                 __entry->copygc_wait_amount     = copygc_wait_amount;
 584                 __entry->copygc_waiting_for     = copygc_waiting_for;
 585                 __entry->seen           = s->buckets_seen;
 586                 __entry->open           = s->skipped_open;
 587                 __entry->need_journal_commit = s->skipped_need_journal_commit;
 588                 __entry->nouse          = s->skipped_nouse;
 589                 __entry->nonblocking    = nonblocking;
 590                 __entry->nocow          = s->skipped_nocow;
 591                 strscpy(__entry->err, err, sizeof(__entry->err));
 592         ),
 593
 594         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",
 595                   __entry->reserve,
 596                   __entry->dev,
 597                   __entry->bucket,
 598                   __entry->free,
 599                   __entry->avail,
 600                   __entry->copygc_wait_amount,
 601                   __entry->copygc_waiting_for,
 602                   __entry->seen,
 603                   __entry->open,
 604                   __entry->need_journal_commit,
 605                   __entry->nouse,
 606                   __entry->nocow,
 607                   __entry->nonblocking,
 608                   __entry->err)
 609 );
 610
 611 DEFINE_EVENT(bucket_alloc, bucket_alloc,
 612         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 613                  u64 bucket,
 614                  u64 free,
 615                  u64 avail,
 616                  u64 copygc_wait_amount,
 617                  s64 copygc_waiting_for,
 618                  struct bucket_alloc_state *s,
 619                  bool nonblocking,
 620                  const char *err),
 621         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 622                 copygc_wait_amount, copygc_waiting_for,
 623                 s, nonblocking, err)
 624 );
 625
 626 DEFINE_EVENT(bucket_alloc, bucket_alloc_fail,
 627         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 628                  u64 bucket,
 629                  u64 free,
 630                  u64 avail,
 631                  u64 copygc_wait_amount,
 632                  s64 copygc_waiting_for,
 633                  struct bucket_alloc_state *s,
 634                  bool nonblocking,
 635                  const char *err),
 636         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 637                 copygc_wait_amount, copygc_waiting_for,
 638                 s, nonblocking, err)
 639 );
 640
 641 TRACE_EVENT(discard_buckets,
 642         TP_PROTO(struct bch_fs *c, u64 seen, u64 open,
 643                  u64 need_journal_commit, u64 discarded, const char *err),
 644         TP_ARGS(c, seen, open, need_journal_commit, discarded, err),
 645
 646         TP_STRUCT__entry(
 647                 __field(dev_t,          dev                     )
 648                 __field(u64,            seen                    )
 649                 __field(u64,            open                    )
 650                 __field(u64,            need_journal_commit     )
 651                 __field(u64,            discarded               )
 652                 __array(char,           err,    16              )
 653         ),
 654
 655         TP_fast_assign(
 656                 __entry->dev                    = c->dev;
 657                 __entry->seen                   = seen;
 658                 __entry->open                   = open;
 659                 __entry->need_journal_commit    = need_journal_commit;
 660                 __entry->discarded              = discarded;
 661                 strscpy(__entry->err, err, sizeof(__entry->err));
 662         ),
 663
 664         TP_printk("%d%d seen %llu open %llu need_journal_commit %llu discarded %llu err %s",
 665                   MAJOR(__entry->dev), MINOR(__entry->dev),
 666                   __entry->seen,
 667                   __entry->open,
 668                   __entry->need_journal_commit,
 669                   __entry->discarded,
 670                   __entry->err)
 671 );
 672
 673 TRACE_EVENT(bucket_invalidate,
 674         TP_PROTO(struct bch_fs *c, unsigned dev, u64 bucket, u32 sectors),
 675         TP_ARGS(c, dev, bucket, sectors),
 676
 677         TP_STRUCT__entry(
 678                 __field(dev_t,          dev                     )
 679                 __field(u32,            dev_idx                 )
 680                 __field(u32,            sectors                 )
 681                 __field(u64,            bucket                  )
 682         ),
 683
 684         TP_fast_assign(
 685                 __entry->dev            = c->dev;
 686                 __entry->dev_idx        = dev;
 687                 __entry->sectors        = sectors;
 688                 __entry->bucket         = bucket;
 689         ),
 690
 691         TP_printk("%d:%d invalidated %u:%llu cached sectors %u",
 692                   MAJOR(__entry->dev), MINOR(__entry->dev),
 693                   __entry->dev_idx, __entry->bucket,
 694                   __entry->sectors)
 695 );
 696
 697 /* Moving IO */
 698
 699 TRACE_EVENT(bucket_evacuate,
 700         TP_PROTO(struct bch_fs *c, struct bpos *bucket),
 701         TP_ARGS(c, bucket),
 702
 703         TP_STRUCT__entry(
 704                 __field(dev_t,          dev                     )
 705                 __field(u32,            dev_idx                 )
 706                 __field(u64,            bucket                  )
 707         ),
 708
 709         TP_fast_assign(
 710                 __entry->dev            = c->dev;
 711                 __entry->dev_idx        = bucket->inode;
 712                 __entry->bucket         = bucket->offset;
 713         ),
 714
 715         TP_printk("%d:%d %u:%llu",
 716                   MAJOR(__entry->dev), MINOR(__entry->dev),
 717                   __entry->dev_idx, __entry->bucket)
 718 );
 719
 720 DEFINE_EVENT(bkey, move_extent,
 721         TP_PROTO(struct bch_fs *c, const char *k),
 722         TP_ARGS(c, k)
 723 );
 724
 725 DEFINE_EVENT(bkey, move_extent_read,
 726         TP_PROTO(struct bch_fs *c, const char *k),
 727         TP_ARGS(c, k)
 728 );
 729
 730 DEFINE_EVENT(bkey, move_extent_write,
 731         TP_PROTO(struct bch_fs *c, const char *k),
 732         TP_ARGS(c, k)
 733 );
 734
 735 DEFINE_EVENT(bkey, move_extent_finish,
 736         TP_PROTO(struct bch_fs *c, const char *k),
 737         TP_ARGS(c, k)
 738 );
 739
 740 TRACE_EVENT(move_extent_fail,
 741         TP_PROTO(struct bch_fs *c, const char *msg),
 742         TP_ARGS(c, msg),
 743
 744         TP_STRUCT__entry(
 745                 __field(dev_t,          dev                     )
 746                 __string(msg,           msg                     )
 747         ),
 748
 749         TP_fast_assign(
 750                 __entry->dev            = c->dev;
 751                 __assign_str(msg, msg);
 752         ),
 753
 754         TP_printk("%d:%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __get_str(msg))
 755 );
 756
 757 DEFINE_EVENT(bkey, move_extent_alloc_mem_fail,
 758         TP_PROTO(struct bch_fs *c, const char *k),
 759         TP_ARGS(c, k)
 760 );
 761
 762 TRACE_EVENT(move_data,
 763         TP_PROTO(struct bch_fs *c,
 764                  struct bch_move_stats *stats),
 765         TP_ARGS(c, stats),
 766
 767         TP_STRUCT__entry(
 768                 __field(dev_t,          dev             )
 769                 __field(u64,            keys_moved      )
 770                 __field(u64,            keys_raced      )
 771                 __field(u64,            sectors_seen    )
 772                 __field(u64,            sectors_moved   )
 773                 __field(u64,            sectors_raced   )
 774         ),
 775
 776         TP_fast_assign(
 777                 __entry->dev            = c->dev;
 778                 __entry->keys_moved     = atomic64_read(&stats->keys_moved);
 779                 __entry->keys_raced     = atomic64_read(&stats->keys_raced);
 780                 __entry->sectors_seen   = atomic64_read(&stats->sectors_seen);
 781                 __entry->sectors_moved  = atomic64_read(&stats->sectors_moved);
 782                 __entry->sectors_raced  = atomic64_read(&stats->sectors_raced);
 783         ),
 784
 785         TP_printk("%d,%d keys moved %llu raced %llu"
 786                   "sectors seen %llu moved %llu raced %llu",
 787                   MAJOR(__entry->dev), MINOR(__entry->dev),
 788                   __entry->keys_moved,
 789                   __entry->keys_raced,
 790                   __entry->sectors_seen,
 791                   __entry->sectors_moved,
 792                   __entry->sectors_raced)
 793 );
 794
 795 TRACE_EVENT(evacuate_bucket,
 796         TP_PROTO(struct bch_fs *c, struct bpos *bucket,
 797                  unsigned sectors, unsigned bucket_size,
 798                  u64 fragmentation, int ret),
 799         TP_ARGS(c, bucket, sectors, bucket_size, fragmentation, ret),
 800
 801         TP_STRUCT__entry(
 802                 __field(dev_t,          dev             )
 803                 __field(u64,            member          )
 804                 __field(u64,            bucket          )
 805                 __field(u32,            sectors         )
 806                 __field(u32,            bucket_size     )
 807                 __field(u64,            fragmentation   )
 808                 __field(int,            ret             )
 809         ),
 810
 811         TP_fast_assign(
 812                 __entry->dev                    = c->dev;
 813                 __entry->member                 = bucket->inode;
 814                 __entry->bucket                 = bucket->offset;
 815                 __entry->sectors                = sectors;
 816                 __entry->bucket_size            = bucket_size;
 817                 __entry->fragmentation          = fragmentation;
 818                 __entry->ret                    = ret;
 819         ),
 820
 821         TP_printk("%d,%d %llu:%llu sectors %u/%u fragmentation %llu ret %i",
 822                   MAJOR(__entry->dev), MINOR(__entry->dev),
 823                   __entry->member, __entry->bucket,
 824                   __entry->sectors, __entry->bucket_size,
 825                   __entry->fragmentation, __entry->ret)
 826 );
 827
 828 TRACE_EVENT(copygc,
 829         TP_PROTO(struct bch_fs *c,
 830                  u64 sectors_moved, u64 sectors_not_moved,
 831                  u64 buckets_moved, u64 buckets_not_moved),
 832         TP_ARGS(c,
 833                 sectors_moved, sectors_not_moved,
 834                 buckets_moved, buckets_not_moved),
 835
 836         TP_STRUCT__entry(
 837                 __field(dev_t,          dev                     )
 838                 __field(u64,            sectors_moved           )
 839                 __field(u64,            sectors_not_moved       )
 840                 __field(u64,            buckets_moved           )
 841                 __field(u64,            buckets_not_moved       )
 842         ),
 843
 844         TP_fast_assign(
 845                 __entry->dev                    = c->dev;
 846                 __entry->sectors_moved          = sectors_moved;
 847                 __entry->sectors_not_moved      = sectors_not_moved;
 848                 __entry->buckets_moved          = buckets_moved;
 849                 __entry->buckets_not_moved = buckets_moved;
 850         ),
 851
 852         TP_printk("%d,%d sectors moved %llu remain %llu buckets moved %llu remain %llu",
 853                   MAJOR(__entry->dev), MINOR(__entry->dev),
 854                   __entry->sectors_moved, __entry->sectors_not_moved,
 855                   __entry->buckets_moved, __entry->buckets_not_moved)
 856 );
 857
 858 TRACE_EVENT(copygc_wait,
 859         TP_PROTO(struct bch_fs *c,
 860                  u64 wait_amount, u64 until),
 861         TP_ARGS(c, wait_amount, until),
 862
 863         TP_STRUCT__entry(
 864                 __field(dev_t,          dev                     )
 865                 __field(u64,            wait_amount             )
 866                 __field(u64,            until                   )
 867         ),
 868
 869         TP_fast_assign(
 870                 __entry->dev            = c->dev;
 871                 __entry->wait_amount    = wait_amount;
 872                 __entry->until          = until;
 873         ),
 874
 875         TP_printk("%d,%u waiting for %llu sectors until %llu",
 876                   MAJOR(__entry->dev), MINOR(__entry->dev),
 877                   __entry->wait_amount, __entry->until)
 878 );
 879
 880 /* btree transactions: */
 881
 882 DECLARE_EVENT_CLASS(transaction_event,
 883         TP_PROTO(struct btree_trans *trans,
 884                  unsigned long caller_ip),
 885         TP_ARGS(trans, caller_ip),
 886
 887         TP_STRUCT__entry(
 888                 __array(char,                   trans_fn, 32    )
 889                 __field(unsigned long,          caller_ip       )
 890         ),
 891
 892         TP_fast_assign(
 893                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 894                 __entry->caller_ip              = caller_ip;
 895         ),
 896
 897         TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
 898 );
 899
 900 DEFINE_EVENT(transaction_event, transaction_commit,
 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_injected,
 907         TP_PROTO(struct btree_trans *trans,
 908                  unsigned long caller_ip),
 909         TP_ARGS(trans, caller_ip)
 910 );
 911
 912 TRACE_EVENT(trans_restart_split_race,
 913         TP_PROTO(struct btree_trans *trans,
 914                  unsigned long caller_ip,
 915                  struct btree *b),
 916         TP_ARGS(trans, caller_ip, b),
 917
 918         TP_STRUCT__entry(
 919                 __array(char,                   trans_fn, 32    )
 920                 __field(unsigned long,          caller_ip       )
 921                 __field(u8,                     level           )
 922                 __field(u16,                    written         )
 923                 __field(u16,                    blocks          )
 924                 __field(u16,                    u64s_remaining  )
 925         ),
 926
 927         TP_fast_assign(
 928                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 929                 __entry->caller_ip              = caller_ip;
 930                 __entry->level          = b->c.level;
 931                 __entry->written        = b->written;
 932                 __entry->blocks         = btree_blocks(trans->c);
 933                 __entry->u64s_remaining = bch_btree_keys_u64s_remaining(trans->c, b);
 934         ),
 935
 936         TP_printk("%s %pS l=%u written %u/%u u64s remaining %u",
 937                   __entry->trans_fn, (void *) __entry->caller_ip,
 938                   __entry->level,
 939                   __entry->written, __entry->blocks,
 940                   __entry->u64s_remaining)
 941 );
 942
 943 DEFINE_EVENT(transaction_event, trans_blocked_journal_reclaim,
 944         TP_PROTO(struct btree_trans *trans,
 945                  unsigned long caller_ip),
 946         TP_ARGS(trans, caller_ip)
 947 );
 948
 949 TRACE_EVENT(trans_restart_journal_preres_get,
 950         TP_PROTO(struct btree_trans *trans,
 951                  unsigned long caller_ip,
 952                  unsigned flags),
 953         TP_ARGS(trans, caller_ip, flags),
 954
 955         TP_STRUCT__entry(
 956                 __array(char,                   trans_fn, 32    )
 957                 __field(unsigned long,          caller_ip       )
 958                 __field(unsigned,               flags           )
 959         ),
 960
 961         TP_fast_assign(
 962                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 963                 __entry->caller_ip              = caller_ip;
 964                 __entry->flags                  = flags;
 965         ),
 966
 967         TP_printk("%s %pS %x", __entry->trans_fn,
 968                   (void *) __entry->caller_ip,
 969                   __entry->flags)
 970 );
 971
 972 DEFINE_EVENT(transaction_event, trans_restart_fault_inject,
 973         TP_PROTO(struct btree_trans *trans,
 974                  unsigned long caller_ip),
 975         TP_ARGS(trans, caller_ip)
 976 );
 977
 978 DEFINE_EVENT(transaction_event, trans_traverse_all,
 979         TP_PROTO(struct btree_trans *trans,
 980                  unsigned long caller_ip),
 981         TP_ARGS(trans, caller_ip)
 982 );
 983
 984 DEFINE_EVENT(transaction_event, trans_restart_key_cache_raced,
 985         TP_PROTO(struct btree_trans *trans,
 986                  unsigned long caller_ip),
 987         TP_ARGS(trans, caller_ip)
 988 );
 989
 990 DEFINE_EVENT(transaction_event, trans_restart_too_many_iters,
 991         TP_PROTO(struct btree_trans *trans,
 992                  unsigned long caller_ip),
 993         TP_ARGS(trans, caller_ip)
 994 );
 995
 996 DECLARE_EVENT_CLASS(transaction_restart_iter,
 997         TP_PROTO(struct btree_trans *trans,
 998                  unsigned long caller_ip,
 999                  struct btree_path *path),
1000         TP_ARGS(trans, caller_ip, path),
1001
1002         TP_STRUCT__entry(
1003                 __array(char,                   trans_fn, 32    )
1004                 __field(unsigned long,          caller_ip       )
1005                 __field(u8,                     btree_id        )
1006                 TRACE_BPOS_entries(pos)
1007         ),
1008
1009         TP_fast_assign(
1010                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1011                 __entry->caller_ip              = caller_ip;
1012                 __entry->btree_id               = path->btree_id;
1013                 TRACE_BPOS_assign(pos, path->pos)
1014         ),
1015
1016         TP_printk("%s %pS btree %s pos %llu:%llu:%u",
1017                   __entry->trans_fn,
1018                   (void *) __entry->caller_ip,
1019                   bch2_btree_id_str(__entry->btree_id),
1020                   __entry->pos_inode,
1021                   __entry->pos_offset,
1022                   __entry->pos_snapshot)
1023 );
1024
1025 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_reused,
1026         TP_PROTO(struct btree_trans *trans,
1027                  unsigned long caller_ip,
1028                  struct btree_path *path),
1029         TP_ARGS(trans, caller_ip, path)
1030 );
1031
1032 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_split,
1033         TP_PROTO(struct btree_trans *trans,
1034                  unsigned long caller_ip,
1035                  struct btree_path *path),
1036         TP_ARGS(trans, caller_ip, path)
1037 );
1038
1039 struct get_locks_fail;
1040
1041 TRACE_EVENT(trans_restart_upgrade,
1042         TP_PROTO(struct btree_trans *trans,
1043                  unsigned long caller_ip,
1044                  struct btree_path *path,
1045                  unsigned old_locks_want,
1046                  unsigned new_locks_want,
1047                  struct get_locks_fail *f),
1048         TP_ARGS(trans, caller_ip, path, old_locks_want, new_locks_want, f),
1049
1050         TP_STRUCT__entry(
1051                 __array(char,                   trans_fn, 32    )
1052                 __field(unsigned long,          caller_ip       )
1053                 __field(u8,                     btree_id        )
1054                 __field(u8,                     old_locks_want  )
1055                 __field(u8,                     new_locks_want  )
1056                 __field(u8,                     level           )
1057                 __field(u32,                    path_seq        )
1058                 __field(u32,                    node_seq        )
1059                 __field(u32,                    path_alloc_seq  )
1060                 __field(u32,                    downgrade_seq)
1061                 TRACE_BPOS_entries(pos)
1062         ),
1063
1064         TP_fast_assign(
1065                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1066                 __entry->caller_ip              = caller_ip;
1067                 __entry->btree_id               = path->btree_id;
1068                 __entry->old_locks_want         = old_locks_want;
1069                 __entry->new_locks_want         = new_locks_want;
1070                 __entry->level                  = f->l;
1071                 __entry->path_seq               = path->l[f->l].lock_seq;
1072                 __entry->node_seq               = IS_ERR_OR_NULL(f->b) ? 0 : f->b->c.lock.seq;
1073                 __entry->path_alloc_seq         = path->alloc_seq;
1074                 __entry->downgrade_seq          = path->downgrade_seq;
1075                 TRACE_BPOS_assign(pos, path->pos)
1076         ),
1077
1078         TP_printk("%s %pS btree %s pos %llu:%llu:%u locks_want %u -> %u level %u path seq %u node seq %u alloc_seq %u downgrade_seq %u",
1079                   __entry->trans_fn,
1080                   (void *) __entry->caller_ip,
1081                   bch2_btree_id_str(__entry->btree_id),
1082                   __entry->pos_inode,
1083                   __entry->pos_offset,
1084                   __entry->pos_snapshot,
1085                   __entry->old_locks_want,
1086                   __entry->new_locks_want,
1087                   __entry->level,
1088                   __entry->path_seq,
1089                   __entry->node_seq,
1090                   __entry->path_alloc_seq,
1091                   __entry->downgrade_seq)
1092 );
1093
1094 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock,
1095         TP_PROTO(struct btree_trans *trans,
1096                  unsigned long caller_ip,
1097                  struct btree_path *path),
1098         TP_ARGS(trans, caller_ip, path)
1099 );
1100
1101 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_next_node,
1102         TP_PROTO(struct btree_trans *trans,
1103                  unsigned long caller_ip,
1104                  struct btree_path *path),
1105         TP_ARGS(trans, caller_ip, path)
1106 );
1107
1108 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_parent_for_fill,
1109         TP_PROTO(struct btree_trans *trans,
1110                  unsigned long caller_ip,
1111                  struct btree_path *path),
1112         TP_ARGS(trans, caller_ip, path)
1113 );
1114
1115 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_after_fill,
1116         TP_PROTO(struct btree_trans *trans,
1117                  unsigned long caller_ip,
1118                  struct btree_path *path),
1119         TP_ARGS(trans, caller_ip, path)
1120 );
1121
1122 DEFINE_EVENT(transaction_event, trans_restart_key_cache_upgrade,
1123         TP_PROTO(struct btree_trans *trans,
1124                  unsigned long caller_ip),
1125         TP_ARGS(trans, caller_ip)
1126 );
1127
1128 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_key_cache_fill,
1129         TP_PROTO(struct btree_trans *trans,
1130                  unsigned long caller_ip,
1131                  struct btree_path *path),
1132         TP_ARGS(trans, caller_ip, path)
1133 );
1134
1135 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_path,
1136         TP_PROTO(struct btree_trans *trans,
1137                  unsigned long caller_ip,
1138                  struct btree_path *path),
1139         TP_ARGS(trans, caller_ip, path)
1140 );
1141
1142 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_path_intent,
1143         TP_PROTO(struct btree_trans *trans,
1144                  unsigned long caller_ip,
1145                  struct btree_path *path),
1146         TP_ARGS(trans, caller_ip, path)
1147 );
1148
1149 DEFINE_EVENT(transaction_restart_iter,  trans_restart_traverse,
1150         TP_PROTO(struct btree_trans *trans,
1151                  unsigned long caller_ip,
1152                  struct btree_path *path),
1153         TP_ARGS(trans, caller_ip, path)
1154 );
1155
1156 DEFINE_EVENT(transaction_restart_iter,  trans_restart_memory_allocation_failure,
1157         TP_PROTO(struct btree_trans *trans,
1158                  unsigned long caller_ip,
1159                  struct btree_path *path),
1160         TP_ARGS(trans, caller_ip, path)
1161 );
1162
1163 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock,
1164         TP_PROTO(struct btree_trans *trans,
1165                  unsigned long caller_ip),
1166         TP_ARGS(trans, caller_ip)
1167 );
1168
1169 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock_recursion_limit,
1170         TP_PROTO(struct btree_trans *trans,
1171                  unsigned long caller_ip),
1172         TP_ARGS(trans, caller_ip)
1173 );
1174
1175 TRACE_EVENT(trans_restart_would_deadlock_write,
1176         TP_PROTO(struct btree_trans *trans),
1177         TP_ARGS(trans),
1178
1179         TP_STRUCT__entry(
1180                 __array(char,                   trans_fn, 32    )
1181         ),
1182
1183         TP_fast_assign(
1184                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1185         ),
1186
1187         TP_printk("%s", __entry->trans_fn)
1188 );
1189
1190 TRACE_EVENT(trans_restart_mem_realloced,
1191         TP_PROTO(struct btree_trans *trans,
1192                  unsigned long caller_ip,
1193                  unsigned long bytes),
1194         TP_ARGS(trans, caller_ip, bytes),
1195
1196         TP_STRUCT__entry(
1197                 __array(char,                   trans_fn, 32    )
1198                 __field(unsigned long,          caller_ip       )
1199                 __field(unsigned long,          bytes           )
1200         ),
1201
1202         TP_fast_assign(
1203                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1204                 __entry->caller_ip      = caller_ip;
1205                 __entry->bytes          = bytes;
1206         ),
1207
1208         TP_printk("%s %pS bytes %lu",
1209                   __entry->trans_fn,
1210                   (void *) __entry->caller_ip,
1211                   __entry->bytes)
1212 );
1213
1214 TRACE_EVENT(trans_restart_key_cache_key_realloced,
1215         TP_PROTO(struct btree_trans *trans,
1216                  unsigned long caller_ip,
1217                  struct btree_path *path,
1218                  unsigned old_u64s,
1219                  unsigned new_u64s),
1220         TP_ARGS(trans, caller_ip, path, old_u64s, new_u64s),
1221
1222         TP_STRUCT__entry(
1223                 __array(char,                   trans_fn, 32    )
1224                 __field(unsigned long,          caller_ip       )
1225                 __field(enum btree_id,          btree_id        )
1226                 TRACE_BPOS_entries(pos)
1227                 __field(u32,                    old_u64s        )
1228                 __field(u32,                    new_u64s        )
1229         ),
1230
1231         TP_fast_assign(
1232                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1233                 __entry->caller_ip              = caller_ip;
1234
1235                 __entry->btree_id       = path->btree_id;
1236                 TRACE_BPOS_assign(pos, path->pos);
1237                 __entry->old_u64s       = old_u64s;
1238                 __entry->new_u64s       = new_u64s;
1239         ),
1240
1241         TP_printk("%s %pS btree %s pos %llu:%llu:%u old_u64s %u new_u64s %u",
1242                   __entry->trans_fn,
1243                   (void *) __entry->caller_ip,
1244                   bch2_btree_id_str(__entry->btree_id),
1245                   __entry->pos_inode,
1246                   __entry->pos_offset,
1247                   __entry->pos_snapshot,
1248                   __entry->old_u64s,
1249                   __entry->new_u64s)
1250 );
1251
1252 TRACE_EVENT(path_downgrade,
1253         TP_PROTO(struct btree_trans *trans,
1254                  unsigned long caller_ip,
1255                  struct btree_path *path,
1256                  unsigned old_locks_want),
1257         TP_ARGS(trans, caller_ip, path, old_locks_want),
1258
1259         TP_STRUCT__entry(
1260                 __array(char,                   trans_fn, 32    )
1261                 __field(unsigned long,          caller_ip       )
1262                 __field(unsigned,               old_locks_want  )
1263                 __field(unsigned,               new_locks_want  )
1264                 __field(unsigned,               btree           )
1265                 TRACE_BPOS_entries(pos)
1266         ),
1267
1268         TP_fast_assign(
1269                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1270                 __entry->caller_ip              = caller_ip;
1271                 __entry->old_locks_want         = old_locks_want;
1272                 __entry->new_locks_want         = path->locks_want;
1273                 __entry->btree                  = path->btree_id;
1274                 TRACE_BPOS_assign(pos, path->pos);
1275         ),
1276
1277         TP_printk("%s %pS locks_want %u -> %u %s %llu:%llu:%u",
1278                   __entry->trans_fn,
1279                   (void *) __entry->caller_ip,
1280                   __entry->old_locks_want,
1281                   __entry->new_locks_want,
1282                   bch2_btree_id_str(__entry->btree),
1283                   __entry->pos_inode,
1284                   __entry->pos_offset,
1285                   __entry->pos_snapshot)
1286 );
1287
1288 DEFINE_EVENT(transaction_event, trans_restart_write_buffer_flush,
1289         TP_PROTO(struct btree_trans *trans,
1290                  unsigned long caller_ip),
1291         TP_ARGS(trans, caller_ip)
1292 );
1293
1294 TRACE_EVENT(write_buffer_flush,
1295         TP_PROTO(struct btree_trans *trans, size_t nr, size_t skipped, size_t fast, size_t size),
1296         TP_ARGS(trans, nr, skipped, fast, size),
1297
1298         TP_STRUCT__entry(
1299                 __field(size_t,         nr              )
1300                 __field(size_t,         skipped         )
1301                 __field(size_t,         fast            )
1302                 __field(size_t,         size            )
1303         ),
1304
1305         TP_fast_assign(
1306                 __entry->nr     = nr;
1307                 __entry->skipped = skipped;
1308                 __entry->fast   = fast;
1309                 __entry->size   = size;
1310         ),
1311
1312         TP_printk("%zu/%zu skipped %zu fast %zu",
1313                   __entry->nr, __entry->size, __entry->skipped, __entry->fast)
1314 );
1315
1316 TRACE_EVENT(write_buffer_flush_slowpath,
1317         TP_PROTO(struct btree_trans *trans, size_t nr, size_t size),
1318         TP_ARGS(trans, nr, size),
1319
1320         TP_STRUCT__entry(
1321                 __field(size_t,         nr              )
1322                 __field(size_t,         size            )
1323         ),
1324
1325         TP_fast_assign(
1326                 __entry->nr     = nr;
1327                 __entry->size   = size;
1328         ),
1329
1330         TP_printk("%zu/%zu", __entry->nr, __entry->size)
1331 );
1332
1333 #endif /* _TRACE_BCACHEFS_H */
1334
1335 /* This part must be outside protection */
1336 #undef TRACE_INCLUDE_PATH
1337 #define TRACE_INCLUDE_PATH ../../fs/bcachefs
1338
1339 #undef TRACE_INCLUDE_FILE
1340 #define TRACE_INCLUDE_FILE trace
1341
1342 #include <trace/define_trace.h>