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(str,
  36         TP_PROTO(struct bch_fs *c, const char *str),
  37         TP_ARGS(c, str),
  38
  39         TP_STRUCT__entry(
  40                 __field(dev_t,          dev                     )
  41                 __string(str,           str                     )
  42         ),
  43
  44         TP_fast_assign(
  45                 __entry->dev            = c->dev;
  46                 __assign_str(str, str);
  47         ),
  48
  49         TP_printk("%d,%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __get_str(str))
  50 );
  51
  52 DECLARE_EVENT_CLASS(btree_node,
  53         TP_PROTO(struct bch_fs *c, struct btree *b),
  54         TP_ARGS(c, b),
  55
  56         TP_STRUCT__entry(
  57                 __field(dev_t,          dev                     )
  58                 __field(u8,             level                   )
  59                 __field(u8,             btree_id                )
  60                 TRACE_BPOS_entries(pos)
  61         ),
  62
  63         TP_fast_assign(
  64                 __entry->dev            = c->dev;
  65                 __entry->level          = b->c.level;
  66                 __entry->btree_id       = b->c.btree_id;
  67                 TRACE_BPOS_assign(pos, b->key.k.p);
  68         ),
  69
  70         TP_printk("%d,%d %u %s %llu:%llu:%u",
  71                   MAJOR(__entry->dev), MINOR(__entry->dev),
  72                   __entry->level,
  73                   bch2_btree_id_str(__entry->btree_id),
  74                   __entry->pos_inode, __entry->pos_offset, __entry->pos_snapshot)
  75 );
  76
  77 DECLARE_EVENT_CLASS(bch_fs,
  78         TP_PROTO(struct bch_fs *c),
  79         TP_ARGS(c),
  80
  81         TP_STRUCT__entry(
  82                 __field(dev_t,          dev                     )
  83         ),
  84
  85         TP_fast_assign(
  86                 __entry->dev            = c->dev;
  87         ),
  88
  89         TP_printk("%d,%d", MAJOR(__entry->dev), MINOR(__entry->dev))
  90 );
  91
  92 DECLARE_EVENT_CLASS(bio,
  93         TP_PROTO(struct bio *bio),
  94         TP_ARGS(bio),
  95
  96         TP_STRUCT__entry(
  97                 __field(dev_t,          dev                     )
  98                 __field(sector_t,       sector                  )
  99                 __field(unsigned int,   nr_sector               )
 100                 __array(char,           rwbs,   6               )
 101         ),
 102
 103         TP_fast_assign(
 104                 __entry->dev            = bio->bi_bdev ? bio_dev(bio) : 0;
 105                 __entry->sector         = bio->bi_iter.bi_sector;
 106                 __entry->nr_sector      = bio->bi_iter.bi_size >> 9;
 107                 blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
 108         ),
 109
 110         TP_printk("%d,%d  %s %llu + %u",
 111                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 112                   (unsigned long long)__entry->sector, __entry->nr_sector)
 113 );
 114
 115 /* super-io.c: */
 116 TRACE_EVENT(write_super,
 117         TP_PROTO(struct bch_fs *c, unsigned long ip),
 118         TP_ARGS(c, ip),
 119
 120         TP_STRUCT__entry(
 121                 __field(dev_t,          dev     )
 122                 __field(unsigned long,  ip      )
 123         ),
 124
 125         TP_fast_assign(
 126                 __entry->dev            = c->dev;
 127                 __entry->ip             = ip;
 128         ),
 129
 130         TP_printk("%d,%d for %pS",
 131                   MAJOR(__entry->dev), MINOR(__entry->dev),
 132                   (void *) __entry->ip)
 133 );
 134
 135 /* io.c: */
 136
 137 DEFINE_EVENT(bio, read_promote,
 138         TP_PROTO(struct bio *bio),
 139         TP_ARGS(bio)
 140 );
 141
 142 TRACE_EVENT(read_nopromote,
 143         TP_PROTO(struct bch_fs *c, int ret),
 144         TP_ARGS(c, ret),
 145
 146         TP_STRUCT__entry(
 147                 __field(dev_t,          dev             )
 148                 __array(char,           ret, 32         )
 149         ),
 150
 151         TP_fast_assign(
 152                 __entry->dev            = c->dev;
 153                 strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
 154         ),
 155
 156         TP_printk("%d,%d ret %s",
 157                   MAJOR(__entry->dev), MINOR(__entry->dev),
 158                   __entry->ret)
 159 );
 160
 161 DEFINE_EVENT(bio, read_bounce,
 162         TP_PROTO(struct bio *bio),
 163         TP_ARGS(bio)
 164 );
 165
 166 DEFINE_EVENT(bio, read_split,
 167         TP_PROTO(struct bio *bio),
 168         TP_ARGS(bio)
 169 );
 170
 171 DEFINE_EVENT(bio, read_retry,
 172         TP_PROTO(struct bio *bio),
 173         TP_ARGS(bio)
 174 );
 175
 176 DEFINE_EVENT(bio, read_reuse_race,
 177         TP_PROTO(struct bio *bio),
 178         TP_ARGS(bio)
 179 );
 180
 181 /* Journal */
 182
 183 DEFINE_EVENT(bch_fs, journal_full,
 184         TP_PROTO(struct bch_fs *c),
 185         TP_ARGS(c)
 186 );
 187
 188 DEFINE_EVENT(bch_fs, journal_entry_full,
 189         TP_PROTO(struct bch_fs *c),
 190         TP_ARGS(c)
 191 );
 192
 193 TRACE_EVENT(journal_entry_close,
 194         TP_PROTO(struct bch_fs *c, unsigned bytes),
 195         TP_ARGS(c, bytes),
 196
 197         TP_STRUCT__entry(
 198                 __field(dev_t,          dev                     )
 199                 __field(u32,            bytes                   )
 200         ),
 201
 202         TP_fast_assign(
 203                 __entry->dev                    = c->dev;
 204                 __entry->bytes                  = bytes;
 205         ),
 206
 207         TP_printk("%d,%d entry bytes %u",
 208                   MAJOR(__entry->dev), MINOR(__entry->dev),
 209                   __entry->bytes)
 210 );
 211
 212 DEFINE_EVENT(bio, journal_write,
 213         TP_PROTO(struct bio *bio),
 214         TP_ARGS(bio)
 215 );
 216
 217 TRACE_EVENT(journal_reclaim_start,
 218         TP_PROTO(struct bch_fs *c, bool direct, bool kicked,
 219                  u64 min_nr, u64 min_key_cache,
 220                  u64 btree_cache_dirty, u64 btree_cache_total,
 221                  u64 btree_key_cache_dirty, u64 btree_key_cache_total),
 222         TP_ARGS(c, direct, kicked, min_nr, min_key_cache,
 223                 btree_cache_dirty, btree_cache_total,
 224                 btree_key_cache_dirty, btree_key_cache_total),
 225
 226         TP_STRUCT__entry(
 227                 __field(dev_t,          dev                     )
 228                 __field(bool,           direct                  )
 229                 __field(bool,           kicked                  )
 230                 __field(u64,            min_nr                  )
 231                 __field(u64,            min_key_cache           )
 232                 __field(u64,            btree_cache_dirty       )
 233                 __field(u64,            btree_cache_total       )
 234                 __field(u64,            btree_key_cache_dirty   )
 235                 __field(u64,            btree_key_cache_total   )
 236         ),
 237
 238         TP_fast_assign(
 239                 __entry->dev                    = c->dev;
 240                 __entry->direct                 = direct;
 241                 __entry->kicked                 = kicked;
 242                 __entry->min_nr                 = min_nr;
 243                 __entry->min_key_cache          = min_key_cache;
 244                 __entry->btree_cache_dirty      = btree_cache_dirty;
 245                 __entry->btree_cache_total      = btree_cache_total;
 246                 __entry->btree_key_cache_dirty  = btree_key_cache_dirty;
 247                 __entry->btree_key_cache_total  = btree_key_cache_total;
 248         ),
 249
 250         TP_printk("%d,%d direct %u kicked %u min %llu key cache %llu btree cache %llu/%llu key cache %llu/%llu",
 251                   MAJOR(__entry->dev), MINOR(__entry->dev),
 252                   __entry->direct,
 253                   __entry->kicked,
 254                   __entry->min_nr,
 255                   __entry->min_key_cache,
 256                   __entry->btree_cache_dirty,
 257                   __entry->btree_cache_total,
 258                   __entry->btree_key_cache_dirty,
 259                   __entry->btree_key_cache_total)
 260 );
 261
 262 TRACE_EVENT(journal_reclaim_finish,
 263         TP_PROTO(struct bch_fs *c, u64 nr_flushed),
 264         TP_ARGS(c, nr_flushed),
 265
 266         TP_STRUCT__entry(
 267                 __field(dev_t,          dev                     )
 268                 __field(u64,            nr_flushed              )
 269         ),
 270
 271         TP_fast_assign(
 272                 __entry->dev            = c->dev;
 273                 __entry->nr_flushed     = nr_flushed;
 274         ),
 275
 276         TP_printk("%d,%d flushed %llu",
 277                   MAJOR(__entry->dev), MINOR(__entry->dev),
 278                   __entry->nr_flushed)
 279 );
 280
 281 /* bset.c: */
 282
 283 DEFINE_EVENT(bpos, bkey_pack_pos_fail,
 284         TP_PROTO(const struct bpos *p),
 285         TP_ARGS(p)
 286 );
 287
 288 /* Btree cache: */
 289
 290 TRACE_EVENT(btree_cache_scan,
 291         TP_PROTO(long nr_to_scan, long can_free, long ret),
 292         TP_ARGS(nr_to_scan, can_free, ret),
 293
 294         TP_STRUCT__entry(
 295                 __field(long,   nr_to_scan              )
 296                 __field(long,   can_free                )
 297                 __field(long,   ret                     )
 298         ),
 299
 300         TP_fast_assign(
 301                 __entry->nr_to_scan     = nr_to_scan;
 302                 __entry->can_free       = can_free;
 303                 __entry->ret            = ret;
 304         ),
 305
 306         TP_printk("scanned for %li nodes, can free %li, ret %li",
 307                   __entry->nr_to_scan, __entry->can_free, __entry->ret)
 308 );
 309
 310 DEFINE_EVENT(btree_node, btree_cache_reap,
 311         TP_PROTO(struct bch_fs *c, struct btree *b),
 312         TP_ARGS(c, b)
 313 );
 314
 315 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_lock_fail,
 316         TP_PROTO(struct bch_fs *c),
 317         TP_ARGS(c)
 318 );
 319
 320 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_lock,
 321         TP_PROTO(struct bch_fs *c),
 322         TP_ARGS(c)
 323 );
 324
 325 DEFINE_EVENT(bch_fs, btree_cache_cannibalize,
 326         TP_PROTO(struct bch_fs *c),
 327         TP_ARGS(c)
 328 );
 329
 330 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_unlock,
 331         TP_PROTO(struct bch_fs *c),
 332         TP_ARGS(c)
 333 );
 334
 335 /* Btree */
 336
 337 DEFINE_EVENT(btree_node, btree_node_read,
 338         TP_PROTO(struct bch_fs *c, struct btree *b),
 339         TP_ARGS(c, b)
 340 );
 341
 342 TRACE_EVENT(btree_node_write,
 343         TP_PROTO(struct btree *b, unsigned bytes, unsigned sectors),
 344         TP_ARGS(b, bytes, sectors),
 345
 346         TP_STRUCT__entry(
 347                 __field(enum btree_node_type,   type)
 348                 __field(unsigned,       bytes                   )
 349                 __field(unsigned,       sectors                 )
 350         ),
 351
 352         TP_fast_assign(
 353                 __entry->type   = btree_node_type(b);
 354                 __entry->bytes  = bytes;
 355                 __entry->sectors = sectors;
 356         ),
 357
 358         TP_printk("bkey type %u bytes %u sectors %u",
 359                   __entry->type , __entry->bytes, __entry->sectors)
 360 );
 361
 362 DEFINE_EVENT(btree_node, btree_node_alloc,
 363         TP_PROTO(struct bch_fs *c, struct btree *b),
 364         TP_ARGS(c, b)
 365 );
 366
 367 DEFINE_EVENT(btree_node, btree_node_free,
 368         TP_PROTO(struct bch_fs *c, struct btree *b),
 369         TP_ARGS(c, b)
 370 );
 371
 372 TRACE_EVENT(btree_reserve_get_fail,
 373         TP_PROTO(const char *trans_fn,
 374                  unsigned long caller_ip,
 375                  size_t required,
 376                  int ret),
 377         TP_ARGS(trans_fn, caller_ip, required, ret),
 378
 379         TP_STRUCT__entry(
 380                 __array(char,                   trans_fn, 32    )
 381                 __field(unsigned long,          caller_ip       )
 382                 __field(size_t,                 required        )
 383                 __array(char,                   ret, 32         )
 384         ),
 385
 386         TP_fast_assign(
 387                 strscpy(__entry->trans_fn, trans_fn, sizeof(__entry->trans_fn));
 388                 __entry->caller_ip      = caller_ip;
 389                 __entry->required       = required;
 390                 strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
 391         ),
 392
 393         TP_printk("%s %pS required %zu ret %s",
 394                   __entry->trans_fn,
 395                   (void *) __entry->caller_ip,
 396                   __entry->required,
 397                   __entry->ret)
 398 );
 399
 400 DEFINE_EVENT(btree_node, btree_node_compact,
 401         TP_PROTO(struct bch_fs *c, struct btree *b),
 402         TP_ARGS(c, b)
 403 );
 404
 405 DEFINE_EVENT(btree_node, btree_node_merge,
 406         TP_PROTO(struct bch_fs *c, struct btree *b),
 407         TP_ARGS(c, b)
 408 );
 409
 410 DEFINE_EVENT(btree_node, btree_node_split,
 411         TP_PROTO(struct bch_fs *c, struct btree *b),
 412         TP_ARGS(c, b)
 413 );
 414
 415 DEFINE_EVENT(btree_node, btree_node_rewrite,
 416         TP_PROTO(struct bch_fs *c, struct btree *b),
 417         TP_ARGS(c, b)
 418 );
 419
 420 DEFINE_EVENT(btree_node, btree_node_set_root,
 421         TP_PROTO(struct bch_fs *c, struct btree *b),
 422         TP_ARGS(c, b)
 423 );
 424
 425 TRACE_EVENT(btree_path_relock_fail,
 426         TP_PROTO(struct btree_trans *trans,
 427                  unsigned long caller_ip,
 428                  struct btree_path *path,
 429                  unsigned level),
 430         TP_ARGS(trans, caller_ip, path, level),
 431
 432         TP_STRUCT__entry(
 433                 __array(char,                   trans_fn, 32    )
 434                 __field(unsigned long,          caller_ip       )
 435                 __field(u8,                     btree_id        )
 436                 __field(u8,                     level           )
 437                 TRACE_BPOS_entries(pos)
 438                 __array(char,                   node, 24        )
 439                 __field(u8,                     self_read_count )
 440                 __field(u8,                     self_intent_count)
 441                 __field(u8,                     read_count      )
 442                 __field(u8,                     intent_count    )
 443                 __field(u32,                    iter_lock_seq   )
 444                 __field(u32,                    node_lock_seq   )
 445         ),
 446
 447         TP_fast_assign(
 448                 struct btree *b = btree_path_node(path, level);
 449                 struct six_lock_count c;
 450
 451                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 452                 __entry->caller_ip              = caller_ip;
 453                 __entry->btree_id               = path->btree_id;
 454                 __entry->level                  = path->level;
 455                 TRACE_BPOS_assign(pos, path->pos);
 456
 457                 c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
 458                 __entry->self_read_count        = c.n[SIX_LOCK_read];
 459                 __entry->self_intent_count      = c.n[SIX_LOCK_intent];
 460
 461                 if (IS_ERR(b)) {
 462                         strscpy(__entry->node, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node));
 463                 } else {
 464                         c = six_lock_counts(&path->l[level].b->c.lock);
 465                         __entry->read_count     = c.n[SIX_LOCK_read];
 466                         __entry->intent_count   = c.n[SIX_LOCK_intent];
 467                         scnprintf(__entry->node, sizeof(__entry->node), "%px", b);
 468                 }
 469                 __entry->iter_lock_seq          = path->l[level].lock_seq;
 470                 __entry->node_lock_seq          = is_btree_node(path, level)
 471                         ? six_lock_seq(&path->l[level].b->c.lock)
 472                         : 0;
 473         ),
 474
 475         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",
 476                   __entry->trans_fn,
 477                   (void *) __entry->caller_ip,
 478                   bch2_btree_id_str(__entry->btree_id),
 479                   __entry->pos_inode,
 480                   __entry->pos_offset,
 481                   __entry->pos_snapshot,
 482                   __entry->level,
 483                   __entry->node,
 484                   __entry->self_read_count,
 485                   __entry->self_intent_count,
 486                   __entry->read_count,
 487                   __entry->intent_count,
 488                   __entry->iter_lock_seq,
 489                   __entry->node_lock_seq)
 490 );
 491
 492 TRACE_EVENT(btree_path_upgrade_fail,
 493         TP_PROTO(struct btree_trans *trans,
 494                  unsigned long caller_ip,
 495                  struct btree_path *path,
 496                  unsigned level),
 497         TP_ARGS(trans, caller_ip, path, level),
 498
 499         TP_STRUCT__entry(
 500                 __array(char,                   trans_fn, 32    )
 501                 __field(unsigned long,          caller_ip       )
 502                 __field(u8,                     btree_id        )
 503                 __field(u8,                     level           )
 504                 TRACE_BPOS_entries(pos)
 505                 __field(u8,                     locked          )
 506                 __field(u8,                     self_read_count )
 507                 __field(u8,                     self_intent_count)
 508                 __field(u8,                     read_count      )
 509                 __field(u8,                     intent_count    )
 510                 __field(u32,                    iter_lock_seq   )
 511                 __field(u32,                    node_lock_seq   )
 512         ),
 513
 514         TP_fast_assign(
 515                 struct six_lock_count c;
 516
 517                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 518                 __entry->caller_ip              = caller_ip;
 519                 __entry->btree_id               = path->btree_id;
 520                 __entry->level                  = level;
 521                 TRACE_BPOS_assign(pos, path->pos);
 522                 __entry->locked                 = btree_node_locked(path, level);
 523
 524                 c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
 525                 __entry->self_read_count        = c.n[SIX_LOCK_read];
 526                 __entry->self_intent_count      = c.n[SIX_LOCK_intent];
 527                 c = six_lock_counts(&path->l[level].b->c.lock);
 528                 __entry->read_count             = c.n[SIX_LOCK_read];
 529                 __entry->intent_count           = c.n[SIX_LOCK_intent];
 530                 __entry->iter_lock_seq          = path->l[level].lock_seq;
 531                 __entry->node_lock_seq          = is_btree_node(path, level)
 532                         ? six_lock_seq(&path->l[level].b->c.lock)
 533                         : 0;
 534         ),
 535
 536         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",
 537                   __entry->trans_fn,
 538                   (void *) __entry->caller_ip,
 539                   bch2_btree_id_str(__entry->btree_id),
 540                   __entry->pos_inode,
 541                   __entry->pos_offset,
 542                   __entry->pos_snapshot,
 543                   __entry->level,
 544                   __entry->locked,
 545                   __entry->self_read_count,
 546                   __entry->self_intent_count,
 547                   __entry->read_count,
 548                   __entry->intent_count,
 549                   __entry->iter_lock_seq,
 550                   __entry->node_lock_seq)
 551 );
 552
 553 /* Garbage collection */
 554
 555 DEFINE_EVENT(bch_fs, gc_gens_start,
 556         TP_PROTO(struct bch_fs *c),
 557         TP_ARGS(c)
 558 );
 559
 560 DEFINE_EVENT(bch_fs, gc_gens_end,
 561         TP_PROTO(struct bch_fs *c),
 562         TP_ARGS(c)
 563 );
 564
 565 /* Allocator */
 566
 567 DECLARE_EVENT_CLASS(bucket_alloc,
 568         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 569                  u64 bucket,
 570                  u64 free,
 571                  u64 avail,
 572                  u64 copygc_wait_amount,
 573                  s64 copygc_waiting_for,
 574                  struct bucket_alloc_state *s,
 575                  bool nonblocking,
 576                  const char *err),
 577         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 578                 copygc_wait_amount, copygc_waiting_for,
 579                 s, nonblocking, err),
 580
 581         TP_STRUCT__entry(
 582                 __field(u8,                     dev                     )
 583                 __array(char,   reserve,        16                      )
 584                 __field(u64,                    bucket  )
 585                 __field(u64,                    free                    )
 586                 __field(u64,                    avail                   )
 587                 __field(u64,                    copygc_wait_amount      )
 588                 __field(s64,                    copygc_waiting_for      )
 589                 __field(u64,                    seen                    )
 590                 __field(u64,                    open                    )
 591                 __field(u64,                    need_journal_commit     )
 592                 __field(u64,                    nouse                   )
 593                 __field(bool,                   nonblocking             )
 594                 __field(u64,                    nocow                   )
 595                 __array(char,                   err,    32              )
 596         ),
 597
 598         TP_fast_assign(
 599                 __entry->dev            = ca->dev_idx;
 600                 strscpy(__entry->reserve, alloc_reserve, sizeof(__entry->reserve));
 601                 __entry->bucket         = bucket;
 602                 __entry->free           = free;
 603                 __entry->avail          = avail;
 604                 __entry->copygc_wait_amount     = copygc_wait_amount;
 605                 __entry->copygc_waiting_for     = copygc_waiting_for;
 606                 __entry->seen           = s->buckets_seen;
 607                 __entry->open           = s->skipped_open;
 608                 __entry->need_journal_commit = s->skipped_need_journal_commit;
 609                 __entry->nouse          = s->skipped_nouse;
 610                 __entry->nonblocking    = nonblocking;
 611                 __entry->nocow          = s->skipped_nocow;
 612                 strscpy(__entry->err, err, sizeof(__entry->err));
 613         ),
 614
 615         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",
 616                   __entry->reserve,
 617                   __entry->dev,
 618                   __entry->bucket,
 619                   __entry->free,
 620                   __entry->avail,
 621                   __entry->copygc_wait_amount,
 622                   __entry->copygc_waiting_for,
 623                   __entry->seen,
 624                   __entry->open,
 625                   __entry->need_journal_commit,
 626                   __entry->nouse,
 627                   __entry->nocow,
 628                   __entry->nonblocking,
 629                   __entry->err)
 630 );
 631
 632 DEFINE_EVENT(bucket_alloc, bucket_alloc,
 633         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 634                  u64 bucket,
 635                  u64 free,
 636                  u64 avail,
 637                  u64 copygc_wait_amount,
 638                  s64 copygc_waiting_for,
 639                  struct bucket_alloc_state *s,
 640                  bool nonblocking,
 641                  const char *err),
 642         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 643                 copygc_wait_amount, copygc_waiting_for,
 644                 s, nonblocking, err)
 645 );
 646
 647 DEFINE_EVENT(bucket_alloc, bucket_alloc_fail,
 648         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 649                  u64 bucket,
 650                  u64 free,
 651                  u64 avail,
 652                  u64 copygc_wait_amount,
 653                  s64 copygc_waiting_for,
 654                  struct bucket_alloc_state *s,
 655                  bool nonblocking,
 656                  const char *err),
 657         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 658                 copygc_wait_amount, copygc_waiting_for,
 659                 s, nonblocking, err)
 660 );
 661
 662 TRACE_EVENT(discard_buckets,
 663         TP_PROTO(struct bch_fs *c, u64 seen, u64 open,
 664                  u64 need_journal_commit, u64 discarded, const char *err),
 665         TP_ARGS(c, seen, open, need_journal_commit, discarded, err),
 666
 667         TP_STRUCT__entry(
 668                 __field(dev_t,          dev                     )
 669                 __field(u64,            seen                    )
 670                 __field(u64,            open                    )
 671                 __field(u64,            need_journal_commit     )
 672                 __field(u64,            discarded               )
 673                 __array(char,           err,    16              )
 674         ),
 675
 676         TP_fast_assign(
 677                 __entry->dev                    = c->dev;
 678                 __entry->seen                   = seen;
 679                 __entry->open                   = open;
 680                 __entry->need_journal_commit    = need_journal_commit;
 681                 __entry->discarded              = discarded;
 682                 strscpy(__entry->err, err, sizeof(__entry->err));
 683         ),
 684
 685         TP_printk("%d%d seen %llu open %llu need_journal_commit %llu discarded %llu err %s",
 686                   MAJOR(__entry->dev), MINOR(__entry->dev),
 687                   __entry->seen,
 688                   __entry->open,
 689                   __entry->need_journal_commit,
 690                   __entry->discarded,
 691                   __entry->err)
 692 );
 693
 694 TRACE_EVENT(bucket_invalidate,
 695         TP_PROTO(struct bch_fs *c, unsigned dev, u64 bucket, u32 sectors),
 696         TP_ARGS(c, dev, bucket, sectors),
 697
 698         TP_STRUCT__entry(
 699                 __field(dev_t,          dev                     )
 700                 __field(u32,            dev_idx                 )
 701                 __field(u32,            sectors                 )
 702                 __field(u64,            bucket                  )
 703         ),
 704
 705         TP_fast_assign(
 706                 __entry->dev            = c->dev;
 707                 __entry->dev_idx        = dev;
 708                 __entry->sectors        = sectors;
 709                 __entry->bucket         = bucket;
 710         ),
 711
 712         TP_printk("%d:%d invalidated %u:%llu cached sectors %u",
 713                   MAJOR(__entry->dev), MINOR(__entry->dev),
 714                   __entry->dev_idx, __entry->bucket,
 715                   __entry->sectors)
 716 );
 717
 718 /* Moving IO */
 719
 720 TRACE_EVENT(bucket_evacuate,
 721         TP_PROTO(struct bch_fs *c, struct bpos *bucket),
 722         TP_ARGS(c, bucket),
 723
 724         TP_STRUCT__entry(
 725                 __field(dev_t,          dev                     )
 726                 __field(u32,            dev_idx                 )
 727                 __field(u64,            bucket                  )
 728         ),
 729
 730         TP_fast_assign(
 731                 __entry->dev            = c->dev;
 732                 __entry->dev_idx        = bucket->inode;
 733                 __entry->bucket         = bucket->offset;
 734         ),
 735
 736         TP_printk("%d:%d %u:%llu",
 737                   MAJOR(__entry->dev), MINOR(__entry->dev),
 738                   __entry->dev_idx, __entry->bucket)
 739 );
 740
 741 DEFINE_EVENT(str, move_extent,
 742         TP_PROTO(struct bch_fs *c, const char *k),
 743         TP_ARGS(c, k)
 744 );
 745
 746 DEFINE_EVENT(str, move_extent_read,
 747         TP_PROTO(struct bch_fs *c, const char *k),
 748         TP_ARGS(c, k)
 749 );
 750
 751 DEFINE_EVENT(str, move_extent_write,
 752         TP_PROTO(struct bch_fs *c, const char *k),
 753         TP_ARGS(c, k)
 754 );
 755
 756 DEFINE_EVENT(str, move_extent_finish,
 757         TP_PROTO(struct bch_fs *c, const char *k),
 758         TP_ARGS(c, k)
 759 );
 760
 761 TRACE_EVENT(move_extent_fail,
 762         TP_PROTO(struct bch_fs *c, const char *msg),
 763         TP_ARGS(c, msg),
 764
 765         TP_STRUCT__entry(
 766                 __field(dev_t,          dev                     )
 767                 __string(msg,           msg                     )
 768         ),
 769
 770         TP_fast_assign(
 771                 __entry->dev            = c->dev;
 772                 __assign_str(msg, msg);
 773         ),
 774
 775         TP_printk("%d:%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __get_str(msg))
 776 );
 777
 778 DEFINE_EVENT(str, move_extent_start_fail,
 779         TP_PROTO(struct bch_fs *c, const char *str),
 780         TP_ARGS(c, str)
 781 );
 782
 783 TRACE_EVENT(move_data,
 784         TP_PROTO(struct bch_fs *c,
 785                  struct bch_move_stats *stats),
 786         TP_ARGS(c, stats),
 787
 788         TP_STRUCT__entry(
 789                 __field(dev_t,          dev             )
 790                 __field(u64,            keys_moved      )
 791                 __field(u64,            keys_raced      )
 792                 __field(u64,            sectors_seen    )
 793                 __field(u64,            sectors_moved   )
 794                 __field(u64,            sectors_raced   )
 795         ),
 796
 797         TP_fast_assign(
 798                 __entry->dev            = c->dev;
 799                 __entry->keys_moved     = atomic64_read(&stats->keys_moved);
 800                 __entry->keys_raced     = atomic64_read(&stats->keys_raced);
 801                 __entry->sectors_seen   = atomic64_read(&stats->sectors_seen);
 802                 __entry->sectors_moved  = atomic64_read(&stats->sectors_moved);
 803                 __entry->sectors_raced  = atomic64_read(&stats->sectors_raced);
 804         ),
 805
 806         TP_printk("%d,%d keys moved %llu raced %llu"
 807                   "sectors seen %llu moved %llu raced %llu",
 808                   MAJOR(__entry->dev), MINOR(__entry->dev),
 809                   __entry->keys_moved,
 810                   __entry->keys_raced,
 811                   __entry->sectors_seen,
 812                   __entry->sectors_moved,
 813                   __entry->sectors_raced)
 814 );
 815
 816 TRACE_EVENT(evacuate_bucket,
 817         TP_PROTO(struct bch_fs *c, struct bpos *bucket,
 818                  unsigned sectors, unsigned bucket_size,
 819                  u64 fragmentation, int ret),
 820         TP_ARGS(c, bucket, sectors, bucket_size, fragmentation, ret),
 821
 822         TP_STRUCT__entry(
 823                 __field(dev_t,          dev             )
 824                 __field(u64,            member          )
 825                 __field(u64,            bucket          )
 826                 __field(u32,            sectors         )
 827                 __field(u32,            bucket_size     )
 828                 __field(u64,            fragmentation   )
 829                 __field(int,            ret             )
 830         ),
 831
 832         TP_fast_assign(
 833                 __entry->dev                    = c->dev;
 834                 __entry->member                 = bucket->inode;
 835                 __entry->bucket                 = bucket->offset;
 836                 __entry->sectors                = sectors;
 837                 __entry->bucket_size            = bucket_size;
 838                 __entry->fragmentation          = fragmentation;
 839                 __entry->ret                    = ret;
 840         ),
 841
 842         TP_printk("%d,%d %llu:%llu sectors %u/%u fragmentation %llu ret %i",
 843                   MAJOR(__entry->dev), MINOR(__entry->dev),
 844                   __entry->member, __entry->bucket,
 845                   __entry->sectors, __entry->bucket_size,
 846                   __entry->fragmentation, __entry->ret)
 847 );
 848
 849 TRACE_EVENT(copygc,
 850         TP_PROTO(struct bch_fs *c,
 851                  u64 sectors_moved, u64 sectors_not_moved,
 852                  u64 buckets_moved, u64 buckets_not_moved),
 853         TP_ARGS(c,
 854                 sectors_moved, sectors_not_moved,
 855                 buckets_moved, buckets_not_moved),
 856
 857         TP_STRUCT__entry(
 858                 __field(dev_t,          dev                     )
 859                 __field(u64,            sectors_moved           )
 860                 __field(u64,            sectors_not_moved       )
 861                 __field(u64,            buckets_moved           )
 862                 __field(u64,            buckets_not_moved       )
 863         ),
 864
 865         TP_fast_assign(
 866                 __entry->dev                    = c->dev;
 867                 __entry->sectors_moved          = sectors_moved;
 868                 __entry->sectors_not_moved      = sectors_not_moved;
 869                 __entry->buckets_moved          = buckets_moved;
 870                 __entry->buckets_not_moved = buckets_moved;
 871         ),
 872
 873         TP_printk("%d,%d sectors moved %llu remain %llu buckets moved %llu remain %llu",
 874                   MAJOR(__entry->dev), MINOR(__entry->dev),
 875                   __entry->sectors_moved, __entry->sectors_not_moved,
 876                   __entry->buckets_moved, __entry->buckets_not_moved)
 877 );
 878
 879 TRACE_EVENT(copygc_wait,
 880         TP_PROTO(struct bch_fs *c,
 881                  u64 wait_amount, u64 until),
 882         TP_ARGS(c, wait_amount, until),
 883
 884         TP_STRUCT__entry(
 885                 __field(dev_t,          dev                     )
 886                 __field(u64,            wait_amount             )
 887                 __field(u64,            until                   )
 888         ),
 889
 890         TP_fast_assign(
 891                 __entry->dev            = c->dev;
 892                 __entry->wait_amount    = wait_amount;
 893                 __entry->until          = until;
 894         ),
 895
 896         TP_printk("%d,%u waiting for %llu sectors until %llu",
 897                   MAJOR(__entry->dev), MINOR(__entry->dev),
 898                   __entry->wait_amount, __entry->until)
 899 );
 900
 901 /* btree transactions: */
 902
 903 DECLARE_EVENT_CLASS(transaction_event,
 904         TP_PROTO(struct btree_trans *trans,
 905                  unsigned long caller_ip),
 906         TP_ARGS(trans, caller_ip),
 907
 908         TP_STRUCT__entry(
 909                 __array(char,                   trans_fn, 32    )
 910                 __field(unsigned long,          caller_ip       )
 911         ),
 912
 913         TP_fast_assign(
 914                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 915                 __entry->caller_ip              = caller_ip;
 916         ),
 917
 918         TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
 919 );
 920
 921 DEFINE_EVENT(transaction_event, transaction_commit,
 922         TP_PROTO(struct btree_trans *trans,
 923                  unsigned long caller_ip),
 924         TP_ARGS(trans, caller_ip)
 925 );
 926
 927 DEFINE_EVENT(transaction_event, trans_restart_injected,
 928         TP_PROTO(struct btree_trans *trans,
 929                  unsigned long caller_ip),
 930         TP_ARGS(trans, caller_ip)
 931 );
 932
 933 TRACE_EVENT(trans_restart_split_race,
 934         TP_PROTO(struct btree_trans *trans,
 935                  unsigned long caller_ip,
 936                  struct btree *b),
 937         TP_ARGS(trans, caller_ip, b),
 938
 939         TP_STRUCT__entry(
 940                 __array(char,                   trans_fn, 32    )
 941                 __field(unsigned long,          caller_ip       )
 942                 __field(u8,                     level           )
 943                 __field(u16,                    written         )
 944                 __field(u16,                    blocks          )
 945                 __field(u16,                    u64s_remaining  )
 946         ),
 947
 948         TP_fast_assign(
 949                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 950                 __entry->caller_ip              = caller_ip;
 951                 __entry->level          = b->c.level;
 952                 __entry->written        = b->written;
 953                 __entry->blocks         = btree_blocks(trans->c);
 954                 __entry->u64s_remaining = bch_btree_keys_u64s_remaining(trans->c, b);
 955         ),
 956
 957         TP_printk("%s %pS l=%u written %u/%u u64s remaining %u",
 958                   __entry->trans_fn, (void *) __entry->caller_ip,
 959                   __entry->level,
 960                   __entry->written, __entry->blocks,
 961                   __entry->u64s_remaining)
 962 );
 963
 964 DEFINE_EVENT(transaction_event, trans_blocked_journal_reclaim,
 965         TP_PROTO(struct btree_trans *trans,
 966                  unsigned long caller_ip),
 967         TP_ARGS(trans, caller_ip)
 968 );
 969
 970 TRACE_EVENT(trans_restart_journal_preres_get,
 971         TP_PROTO(struct btree_trans *trans,
 972                  unsigned long caller_ip,
 973                  unsigned flags),
 974         TP_ARGS(trans, caller_ip, flags),
 975
 976         TP_STRUCT__entry(
 977                 __array(char,                   trans_fn, 32    )
 978                 __field(unsigned long,          caller_ip       )
 979                 __field(unsigned,               flags           )
 980         ),
 981
 982         TP_fast_assign(
 983                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 984                 __entry->caller_ip              = caller_ip;
 985                 __entry->flags                  = flags;
 986         ),
 987
 988         TP_printk("%s %pS %x", __entry->trans_fn,
 989                   (void *) __entry->caller_ip,
 990                   __entry->flags)
 991 );
 992
 993 DEFINE_EVENT(transaction_event, trans_restart_fault_inject,
 994         TP_PROTO(struct btree_trans *trans,
 995                  unsigned long caller_ip),
 996         TP_ARGS(trans, caller_ip)
 997 );
 998
 999 DEFINE_EVENT(transaction_event, trans_traverse_all,
1000         TP_PROTO(struct btree_trans *trans,
1001                  unsigned long caller_ip),
1002         TP_ARGS(trans, caller_ip)
1003 );
1004
1005 DEFINE_EVENT(transaction_event, trans_restart_key_cache_raced,
1006         TP_PROTO(struct btree_trans *trans,
1007                  unsigned long caller_ip),
1008         TP_ARGS(trans, caller_ip)
1009 );
1010
1011 DEFINE_EVENT(transaction_event, trans_restart_too_many_iters,
1012         TP_PROTO(struct btree_trans *trans,
1013                  unsigned long caller_ip),
1014         TP_ARGS(trans, caller_ip)
1015 );
1016
1017 DECLARE_EVENT_CLASS(transaction_restart_iter,
1018         TP_PROTO(struct btree_trans *trans,
1019                  unsigned long caller_ip,
1020                  struct btree_path *path),
1021         TP_ARGS(trans, caller_ip, path),
1022
1023         TP_STRUCT__entry(
1024                 __array(char,                   trans_fn, 32    )
1025                 __field(unsigned long,          caller_ip       )
1026                 __field(u8,                     btree_id        )
1027                 TRACE_BPOS_entries(pos)
1028         ),
1029
1030         TP_fast_assign(
1031                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1032                 __entry->caller_ip              = caller_ip;
1033                 __entry->btree_id               = path->btree_id;
1034                 TRACE_BPOS_assign(pos, path->pos)
1035         ),
1036
1037         TP_printk("%s %pS btree %s pos %llu:%llu:%u",
1038                   __entry->trans_fn,
1039                   (void *) __entry->caller_ip,
1040                   bch2_btree_id_str(__entry->btree_id),
1041                   __entry->pos_inode,
1042                   __entry->pos_offset,
1043                   __entry->pos_snapshot)
1044 );
1045
1046 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_reused,
1047         TP_PROTO(struct btree_trans *trans,
1048                  unsigned long caller_ip,
1049                  struct btree_path *path),
1050         TP_ARGS(trans, caller_ip, path)
1051 );
1052
1053 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_split,
1054         TP_PROTO(struct btree_trans *trans,
1055                  unsigned long caller_ip,
1056                  struct btree_path *path),
1057         TP_ARGS(trans, caller_ip, path)
1058 );
1059
1060 struct get_locks_fail;
1061
1062 TRACE_EVENT(trans_restart_upgrade,
1063         TP_PROTO(struct btree_trans *trans,
1064                  unsigned long caller_ip,
1065                  struct btree_path *path,
1066                  unsigned old_locks_want,
1067                  unsigned new_locks_want,
1068                  struct get_locks_fail *f),
1069         TP_ARGS(trans, caller_ip, path, old_locks_want, new_locks_want, f),
1070
1071         TP_STRUCT__entry(
1072                 __array(char,                   trans_fn, 32    )
1073                 __field(unsigned long,          caller_ip       )
1074                 __field(u8,                     btree_id        )
1075                 __field(u8,                     old_locks_want  )
1076                 __field(u8,                     new_locks_want  )
1077                 __field(u8,                     level           )
1078                 __field(u32,                    path_seq        )
1079                 __field(u32,                    node_seq        )
1080                 __field(u32,                    path_alloc_seq  )
1081                 __field(u32,                    downgrade_seq)
1082                 TRACE_BPOS_entries(pos)
1083         ),
1084
1085         TP_fast_assign(
1086                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1087                 __entry->caller_ip              = caller_ip;
1088                 __entry->btree_id               = path->btree_id;
1089                 __entry->old_locks_want         = old_locks_want;
1090                 __entry->new_locks_want         = new_locks_want;
1091                 __entry->level                  = f->l;
1092                 __entry->path_seq               = path->l[f->l].lock_seq;
1093                 __entry->node_seq               = IS_ERR_OR_NULL(f->b) ? 0 : f->b->c.lock.seq;
1094                 __entry->path_alloc_seq         = path->alloc_seq;
1095                 __entry->downgrade_seq          = path->downgrade_seq;
1096                 TRACE_BPOS_assign(pos, path->pos)
1097         ),
1098
1099         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",
1100                   __entry->trans_fn,
1101                   (void *) __entry->caller_ip,
1102                   bch2_btree_id_str(__entry->btree_id),
1103                   __entry->pos_inode,
1104                   __entry->pos_offset,
1105                   __entry->pos_snapshot,
1106                   __entry->old_locks_want,
1107                   __entry->new_locks_want,
1108                   __entry->level,
1109                   __entry->path_seq,
1110                   __entry->node_seq,
1111                   __entry->path_alloc_seq,
1112                   __entry->downgrade_seq)
1113 );
1114
1115 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock,
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_restart_iter,  trans_restart_relock_next_node,
1123         TP_PROTO(struct btree_trans *trans,
1124                  unsigned long caller_ip,
1125                  struct btree_path *path),
1126         TP_ARGS(trans, caller_ip, path)
1127 );
1128
1129 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_parent_for_fill,
1130         TP_PROTO(struct btree_trans *trans,
1131                  unsigned long caller_ip,
1132                  struct btree_path *path),
1133         TP_ARGS(trans, caller_ip, path)
1134 );
1135
1136 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_after_fill,
1137         TP_PROTO(struct btree_trans *trans,
1138                  unsigned long caller_ip,
1139                  struct btree_path *path),
1140         TP_ARGS(trans, caller_ip, path)
1141 );
1142
1143 DEFINE_EVENT(transaction_event, trans_restart_key_cache_upgrade,
1144         TP_PROTO(struct btree_trans *trans,
1145                  unsigned long caller_ip),
1146         TP_ARGS(trans, caller_ip)
1147 );
1148
1149 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_key_cache_fill,
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_relock_path,
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_restart_iter,  trans_restart_relock_path_intent,
1164         TP_PROTO(struct btree_trans *trans,
1165                  unsigned long caller_ip,
1166                  struct btree_path *path),
1167         TP_ARGS(trans, caller_ip, path)
1168 );
1169
1170 DEFINE_EVENT(transaction_restart_iter,  trans_restart_traverse,
1171         TP_PROTO(struct btree_trans *trans,
1172                  unsigned long caller_ip,
1173                  struct btree_path *path),
1174         TP_ARGS(trans, caller_ip, path)
1175 );
1176
1177 DEFINE_EVENT(transaction_restart_iter,  trans_restart_memory_allocation_failure,
1178         TP_PROTO(struct btree_trans *trans,
1179                  unsigned long caller_ip,
1180                  struct btree_path *path),
1181         TP_ARGS(trans, caller_ip, path)
1182 );
1183
1184 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock,
1185         TP_PROTO(struct btree_trans *trans,
1186                  unsigned long caller_ip),
1187         TP_ARGS(trans, caller_ip)
1188 );
1189
1190 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock_recursion_limit,
1191         TP_PROTO(struct btree_trans *trans,
1192                  unsigned long caller_ip),
1193         TP_ARGS(trans, caller_ip)
1194 );
1195
1196 TRACE_EVENT(trans_restart_would_deadlock_write,
1197         TP_PROTO(struct btree_trans *trans),
1198         TP_ARGS(trans),
1199
1200         TP_STRUCT__entry(
1201                 __array(char,                   trans_fn, 32    )
1202         ),
1203
1204         TP_fast_assign(
1205                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1206         ),
1207
1208         TP_printk("%s", __entry->trans_fn)
1209 );
1210
1211 TRACE_EVENT(trans_restart_mem_realloced,
1212         TP_PROTO(struct btree_trans *trans,
1213                  unsigned long caller_ip,
1214                  unsigned long bytes),
1215         TP_ARGS(trans, caller_ip, bytes),
1216
1217         TP_STRUCT__entry(
1218                 __array(char,                   trans_fn, 32    )
1219                 __field(unsigned long,          caller_ip       )
1220                 __field(unsigned long,          bytes           )
1221         ),
1222
1223         TP_fast_assign(
1224                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1225                 __entry->caller_ip      = caller_ip;
1226                 __entry->bytes          = bytes;
1227         ),
1228
1229         TP_printk("%s %pS bytes %lu",
1230                   __entry->trans_fn,
1231                   (void *) __entry->caller_ip,
1232                   __entry->bytes)
1233 );
1234
1235 TRACE_EVENT(trans_restart_key_cache_key_realloced,
1236         TP_PROTO(struct btree_trans *trans,
1237                  unsigned long caller_ip,
1238                  struct btree_path *path,
1239                  unsigned old_u64s,
1240                  unsigned new_u64s),
1241         TP_ARGS(trans, caller_ip, path, old_u64s, new_u64s),
1242
1243         TP_STRUCT__entry(
1244                 __array(char,                   trans_fn, 32    )
1245                 __field(unsigned long,          caller_ip       )
1246                 __field(enum btree_id,          btree_id        )
1247                 TRACE_BPOS_entries(pos)
1248                 __field(u32,                    old_u64s        )
1249                 __field(u32,                    new_u64s        )
1250         ),
1251
1252         TP_fast_assign(
1253                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1254                 __entry->caller_ip              = caller_ip;
1255
1256                 __entry->btree_id       = path->btree_id;
1257                 TRACE_BPOS_assign(pos, path->pos);
1258                 __entry->old_u64s       = old_u64s;
1259                 __entry->new_u64s       = new_u64s;
1260         ),
1261
1262         TP_printk("%s %pS btree %s pos %llu:%llu:%u old_u64s %u new_u64s %u",
1263                   __entry->trans_fn,
1264                   (void *) __entry->caller_ip,
1265                   bch2_btree_id_str(__entry->btree_id),
1266                   __entry->pos_inode,
1267                   __entry->pos_offset,
1268                   __entry->pos_snapshot,
1269                   __entry->old_u64s,
1270                   __entry->new_u64s)
1271 );
1272
1273 TRACE_EVENT(path_downgrade,
1274         TP_PROTO(struct btree_trans *trans,
1275                  unsigned long caller_ip,
1276                  struct btree_path *path,
1277                  unsigned old_locks_want),
1278         TP_ARGS(trans, caller_ip, path, old_locks_want),
1279
1280         TP_STRUCT__entry(
1281                 __array(char,                   trans_fn, 32    )
1282                 __field(unsigned long,          caller_ip       )
1283                 __field(unsigned,               old_locks_want  )
1284                 __field(unsigned,               new_locks_want  )
1285                 __field(unsigned,               btree           )
1286                 TRACE_BPOS_entries(pos)
1287         ),
1288
1289         TP_fast_assign(
1290                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1291                 __entry->caller_ip              = caller_ip;
1292                 __entry->old_locks_want         = old_locks_want;
1293                 __entry->new_locks_want         = path->locks_want;
1294                 __entry->btree                  = path->btree_id;
1295                 TRACE_BPOS_assign(pos, path->pos);
1296         ),
1297
1298         TP_printk("%s %pS locks_want %u -> %u %s %llu:%llu:%u",
1299                   __entry->trans_fn,
1300                   (void *) __entry->caller_ip,
1301                   __entry->old_locks_want,
1302                   __entry->new_locks_want,
1303                   bch2_btree_id_str(__entry->btree),
1304                   __entry->pos_inode,
1305                   __entry->pos_offset,
1306                   __entry->pos_snapshot)
1307 );
1308
1309 DEFINE_EVENT(transaction_event, trans_restart_write_buffer_flush,
1310         TP_PROTO(struct btree_trans *trans,
1311                  unsigned long caller_ip),
1312         TP_ARGS(trans, caller_ip)
1313 );
1314
1315 TRACE_EVENT(write_buffer_flush,
1316         TP_PROTO(struct btree_trans *trans, size_t nr, size_t skipped, size_t fast, size_t size),
1317         TP_ARGS(trans, nr, skipped, fast, size),
1318
1319         TP_STRUCT__entry(
1320                 __field(size_t,         nr              )
1321                 __field(size_t,         skipped         )
1322                 __field(size_t,         fast            )
1323                 __field(size_t,         size            )
1324         ),
1325
1326         TP_fast_assign(
1327                 __entry->nr     = nr;
1328                 __entry->skipped = skipped;
1329                 __entry->fast   = fast;
1330                 __entry->size   = size;
1331         ),
1332
1333         TP_printk("%zu/%zu skipped %zu fast %zu",
1334                   __entry->nr, __entry->size, __entry->skipped, __entry->fast)
1335 );
1336
1337 TRACE_EVENT(write_buffer_flush_sync,
1338         TP_PROTO(struct btree_trans *trans, unsigned long caller_ip),
1339         TP_ARGS(trans, caller_ip),
1340
1341         TP_STRUCT__entry(
1342                 __array(char,                   trans_fn, 32    )
1343                 __field(unsigned long,          caller_ip       )
1344         ),
1345
1346         TP_fast_assign(
1347                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1348                 __entry->caller_ip              = caller_ip;
1349         ),
1350
1351         TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
1352 );
1353
1354 TRACE_EVENT(write_buffer_flush_slowpath,
1355         TP_PROTO(struct btree_trans *trans, size_t slowpath, size_t total),
1356         TP_ARGS(trans, slowpath, total),
1357
1358         TP_STRUCT__entry(
1359                 __field(size_t,         slowpath        )
1360                 __field(size_t,         total           )
1361         ),
1362
1363         TP_fast_assign(
1364                 __entry->slowpath       = slowpath;
1365                 __entry->total          = total;
1366         ),
1367
1368         TP_printk("%zu/%zu", __entry->slowpath, __entry->total)
1369 );
1370
1371 DEFINE_EVENT(str, rebalance_extent,
1372         TP_PROTO(struct bch_fs *c, const char *str),
1373         TP_ARGS(c, str)
1374 );
1375
1376 DEFINE_EVENT(str, data_update,
1377         TP_PROTO(struct bch_fs *c, const char *str),
1378         TP_ARGS(c, str)
1379 );
1380
1381 #endif /* _TRACE_BCACHEFS_H */
1382
1383 /* This part must be outside protection */
1384 #undef TRACE_INCLUDE_PATH
1385 #define TRACE_INCLUDE_PATH ../../fs/bcachefs
1386
1387 #undef TRACE_INCLUDE_FILE
1388 #define TRACE_INCLUDE_FILE trace
1389
1390 #include <trace/define_trace.h>