git.sesse.net Git - bcachefs-tools-debian/blob - c_src/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(fs_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(trans_str,
  53         TP_PROTO(struct btree_trans *trans, unsigned long caller_ip, const char *str),
  54         TP_ARGS(trans, caller_ip, str),
  55
  56         TP_STRUCT__entry(
  57                 __field(dev_t,          dev                     )
  58                 __array(char,           trans_fn, 32            )
  59                 __field(unsigned long,  caller_ip               )
  60                 __string(str,           str                     )
  61         ),
  62
  63         TP_fast_assign(
  64                 __entry->dev            = trans->c->dev;
  65                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
  66                 __entry->caller_ip              = caller_ip;
  67                 __assign_str(str, str);
  68         ),
  69
  70         TP_printk("%d,%d %s %pS %s",
  71                   MAJOR(__entry->dev), MINOR(__entry->dev),
  72                   __entry->trans_fn, (void *) __entry->caller_ip, __get_str(str))
  73 );
  74
  75 DECLARE_EVENT_CLASS(trans_str_nocaller,
  76         TP_PROTO(struct btree_trans *trans, const char *str),
  77         TP_ARGS(trans, str),
  78
  79         TP_STRUCT__entry(
  80                 __field(dev_t,          dev                     )
  81                 __array(char,           trans_fn, 32            )
  82                 __string(str,           str                     )
  83         ),
  84
  85         TP_fast_assign(
  86                 __entry->dev            = trans->c->dev;
  87                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
  88                 __assign_str(str, str);
  89         ),
  90
  91         TP_printk("%d,%d %s %s",
  92                   MAJOR(__entry->dev), MINOR(__entry->dev),
  93                   __entry->trans_fn, __get_str(str))
  94 );
  95
  96 DECLARE_EVENT_CLASS(btree_node_nofs,
  97         TP_PROTO(struct bch_fs *c, struct btree *b),
  98         TP_ARGS(c, b),
  99
 100         TP_STRUCT__entry(
 101                 __field(dev_t,          dev                     )
 102                 __field(u8,             level                   )
 103                 __field(u8,             btree_id                )
 104                 TRACE_BPOS_entries(pos)
 105         ),
 106
 107         TP_fast_assign(
 108                 __entry->dev            = c->dev;
 109                 __entry->level          = b->c.level;
 110                 __entry->btree_id       = b->c.btree_id;
 111                 TRACE_BPOS_assign(pos, b->key.k.p);
 112         ),
 113
 114         TP_printk("%d,%d %u %s %llu:%llu:%u",
 115                   MAJOR(__entry->dev), MINOR(__entry->dev),
 116                   __entry->level,
 117                   bch2_btree_id_str(__entry->btree_id),
 118                   __entry->pos_inode, __entry->pos_offset, __entry->pos_snapshot)
 119 );
 120
 121 DECLARE_EVENT_CLASS(btree_node,
 122         TP_PROTO(struct btree_trans *trans, struct btree *b),
 123         TP_ARGS(trans, b),
 124
 125         TP_STRUCT__entry(
 126                 __field(dev_t,          dev                     )
 127                 __array(char,           trans_fn, 32            )
 128                 __field(u8,             level                   )
 129                 __field(u8,             btree_id                )
 130                 TRACE_BPOS_entries(pos)
 131         ),
 132
 133         TP_fast_assign(
 134                 __entry->dev            = trans->c->dev;
 135                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 136                 __entry->level          = b->c.level;
 137                 __entry->btree_id       = b->c.btree_id;
 138                 TRACE_BPOS_assign(pos, b->key.k.p);
 139         ),
 140
 141         TP_printk("%d,%d %s %u %s %llu:%llu:%u",
 142                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->trans_fn,
 143                   __entry->level,
 144                   bch2_btree_id_str(__entry->btree_id),
 145                   __entry->pos_inode, __entry->pos_offset, __entry->pos_snapshot)
 146 );
 147
 148 DECLARE_EVENT_CLASS(bch_fs,
 149         TP_PROTO(struct bch_fs *c),
 150         TP_ARGS(c),
 151
 152         TP_STRUCT__entry(
 153                 __field(dev_t,          dev                     )
 154         ),
 155
 156         TP_fast_assign(
 157                 __entry->dev            = c->dev;
 158         ),
 159
 160         TP_printk("%d,%d", MAJOR(__entry->dev), MINOR(__entry->dev))
 161 );
 162
 163 DECLARE_EVENT_CLASS(btree_trans,
 164         TP_PROTO(struct btree_trans *trans),
 165         TP_ARGS(trans),
 166
 167         TP_STRUCT__entry(
 168                 __field(dev_t,          dev                     )
 169                 __array(char,           trans_fn, 32            )
 170         ),
 171
 172         TP_fast_assign(
 173                 __entry->dev            = trans->c->dev;
 174                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 175         ),
 176
 177         TP_printk("%d,%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->trans_fn)
 178 );
 179
 180 DECLARE_EVENT_CLASS(bio,
 181         TP_PROTO(struct bio *bio),
 182         TP_ARGS(bio),
 183
 184         TP_STRUCT__entry(
 185                 __field(dev_t,          dev                     )
 186                 __field(sector_t,       sector                  )
 187                 __field(unsigned int,   nr_sector               )
 188                 __array(char,           rwbs,   6               )
 189         ),
 190
 191         TP_fast_assign(
 192                 __entry->dev            = bio->bi_bdev ? bio_dev(bio) : 0;
 193                 __entry->sector         = bio->bi_iter.bi_sector;
 194                 __entry->nr_sector      = bio->bi_iter.bi_size >> 9;
 195                 blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
 196         ),
 197
 198         TP_printk("%d,%d  %s %llu + %u",
 199                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
 200                   (unsigned long long)__entry->sector, __entry->nr_sector)
 201 );
 202
 203 /* super-io.c: */
 204 TRACE_EVENT(write_super,
 205         TP_PROTO(struct bch_fs *c, unsigned long ip),
 206         TP_ARGS(c, ip),
 207
 208         TP_STRUCT__entry(
 209                 __field(dev_t,          dev     )
 210                 __field(unsigned long,  ip      )
 211         ),
 212
 213         TP_fast_assign(
 214                 __entry->dev            = c->dev;
 215                 __entry->ip             = ip;
 216         ),
 217
 218         TP_printk("%d,%d for %pS",
 219                   MAJOR(__entry->dev), MINOR(__entry->dev),
 220                   (void *) __entry->ip)
 221 );
 222
 223 /* io.c: */
 224
 225 DEFINE_EVENT(bio, read_promote,
 226         TP_PROTO(struct bio *bio),
 227         TP_ARGS(bio)
 228 );
 229
 230 TRACE_EVENT(read_nopromote,
 231         TP_PROTO(struct bch_fs *c, int ret),
 232         TP_ARGS(c, ret),
 233
 234         TP_STRUCT__entry(
 235                 __field(dev_t,          dev             )
 236                 __array(char,           ret, 32         )
 237         ),
 238
 239         TP_fast_assign(
 240                 __entry->dev            = c->dev;
 241                 strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
 242         ),
 243
 244         TP_printk("%d,%d ret %s",
 245                   MAJOR(__entry->dev), MINOR(__entry->dev),
 246                   __entry->ret)
 247 );
 248
 249 DEFINE_EVENT(bio, read_bounce,
 250         TP_PROTO(struct bio *bio),
 251         TP_ARGS(bio)
 252 );
 253
 254 DEFINE_EVENT(bio, read_split,
 255         TP_PROTO(struct bio *bio),
 256         TP_ARGS(bio)
 257 );
 258
 259 DEFINE_EVENT(bio, read_retry,
 260         TP_PROTO(struct bio *bio),
 261         TP_ARGS(bio)
 262 );
 263
 264 DEFINE_EVENT(bio, read_reuse_race,
 265         TP_PROTO(struct bio *bio),
 266         TP_ARGS(bio)
 267 );
 268
 269 /* Journal */
 270
 271 DEFINE_EVENT(bch_fs, journal_full,
 272         TP_PROTO(struct bch_fs *c),
 273         TP_ARGS(c)
 274 );
 275
 276 DEFINE_EVENT(bch_fs, journal_entry_full,
 277         TP_PROTO(struct bch_fs *c),
 278         TP_ARGS(c)
 279 );
 280
 281 TRACE_EVENT(journal_entry_close,
 282         TP_PROTO(struct bch_fs *c, unsigned bytes),
 283         TP_ARGS(c, bytes),
 284
 285         TP_STRUCT__entry(
 286                 __field(dev_t,          dev                     )
 287                 __field(u32,            bytes                   )
 288         ),
 289
 290         TP_fast_assign(
 291                 __entry->dev                    = c->dev;
 292                 __entry->bytes                  = bytes;
 293         ),
 294
 295         TP_printk("%d,%d entry bytes %u",
 296                   MAJOR(__entry->dev), MINOR(__entry->dev),
 297                   __entry->bytes)
 298 );
 299
 300 DEFINE_EVENT(bio, journal_write,
 301         TP_PROTO(struct bio *bio),
 302         TP_ARGS(bio)
 303 );
 304
 305 TRACE_EVENT(journal_reclaim_start,
 306         TP_PROTO(struct bch_fs *c, bool direct, bool kicked,
 307                  u64 min_nr, u64 min_key_cache,
 308                  u64 btree_cache_dirty, u64 btree_cache_total,
 309                  u64 btree_key_cache_dirty, u64 btree_key_cache_total),
 310         TP_ARGS(c, direct, kicked, min_nr, min_key_cache,
 311                 btree_cache_dirty, btree_cache_total,
 312                 btree_key_cache_dirty, btree_key_cache_total),
 313
 314         TP_STRUCT__entry(
 315                 __field(dev_t,          dev                     )
 316                 __field(bool,           direct                  )
 317                 __field(bool,           kicked                  )
 318                 __field(u64,            min_nr                  )
 319                 __field(u64,            min_key_cache           )
 320                 __field(u64,            btree_cache_dirty       )
 321                 __field(u64,            btree_cache_total       )
 322                 __field(u64,            btree_key_cache_dirty   )
 323                 __field(u64,            btree_key_cache_total   )
 324         ),
 325
 326         TP_fast_assign(
 327                 __entry->dev                    = c->dev;
 328                 __entry->direct                 = direct;
 329                 __entry->kicked                 = kicked;
 330                 __entry->min_nr                 = min_nr;
 331                 __entry->min_key_cache          = min_key_cache;
 332                 __entry->btree_cache_dirty      = btree_cache_dirty;
 333                 __entry->btree_cache_total      = btree_cache_total;
 334                 __entry->btree_key_cache_dirty  = btree_key_cache_dirty;
 335                 __entry->btree_key_cache_total  = btree_key_cache_total;
 336         ),
 337
 338         TP_printk("%d,%d direct %u kicked %u min %llu key cache %llu btree cache %llu/%llu key cache %llu/%llu",
 339                   MAJOR(__entry->dev), MINOR(__entry->dev),
 340                   __entry->direct,
 341                   __entry->kicked,
 342                   __entry->min_nr,
 343                   __entry->min_key_cache,
 344                   __entry->btree_cache_dirty,
 345                   __entry->btree_cache_total,
 346                   __entry->btree_key_cache_dirty,
 347                   __entry->btree_key_cache_total)
 348 );
 349
 350 TRACE_EVENT(journal_reclaim_finish,
 351         TP_PROTO(struct bch_fs *c, u64 nr_flushed),
 352         TP_ARGS(c, nr_flushed),
 353
 354         TP_STRUCT__entry(
 355                 __field(dev_t,          dev                     )
 356                 __field(u64,            nr_flushed              )
 357         ),
 358
 359         TP_fast_assign(
 360                 __entry->dev            = c->dev;
 361                 __entry->nr_flushed     = nr_flushed;
 362         ),
 363
 364         TP_printk("%d,%d flushed %llu",
 365                   MAJOR(__entry->dev), MINOR(__entry->dev),
 366                   __entry->nr_flushed)
 367 );
 368
 369 /* bset.c: */
 370
 371 DEFINE_EVENT(bpos, bkey_pack_pos_fail,
 372         TP_PROTO(const struct bpos *p),
 373         TP_ARGS(p)
 374 );
 375
 376 /* Btree cache: */
 377
 378 TRACE_EVENT(btree_cache_scan,
 379         TP_PROTO(long nr_to_scan, long can_free, long ret),
 380         TP_ARGS(nr_to_scan, can_free, ret),
 381
 382         TP_STRUCT__entry(
 383                 __field(long,   nr_to_scan              )
 384                 __field(long,   can_free                )
 385                 __field(long,   ret                     )
 386         ),
 387
 388         TP_fast_assign(
 389                 __entry->nr_to_scan     = nr_to_scan;
 390                 __entry->can_free       = can_free;
 391                 __entry->ret            = ret;
 392         ),
 393
 394         TP_printk("scanned for %li nodes, can free %li, ret %li",
 395                   __entry->nr_to_scan, __entry->can_free, __entry->ret)
 396 );
 397
 398 DEFINE_EVENT(btree_node_nofs, btree_cache_reap,
 399         TP_PROTO(struct bch_fs *c, struct btree *b),
 400         TP_ARGS(c, b)
 401 );
 402
 403 DEFINE_EVENT(btree_trans, btree_cache_cannibalize_lock_fail,
 404         TP_PROTO(struct btree_trans *trans),
 405         TP_ARGS(trans)
 406 );
 407
 408 DEFINE_EVENT(btree_trans, btree_cache_cannibalize_lock,
 409         TP_PROTO(struct btree_trans *trans),
 410         TP_ARGS(trans)
 411 );
 412
 413 DEFINE_EVENT(btree_trans, btree_cache_cannibalize,
 414         TP_PROTO(struct btree_trans *trans),
 415         TP_ARGS(trans)
 416 );
 417
 418 DEFINE_EVENT(btree_trans, btree_cache_cannibalize_unlock,
 419         TP_PROTO(struct btree_trans *trans),
 420         TP_ARGS(trans)
 421 );
 422
 423 /* Btree */
 424
 425 DEFINE_EVENT(btree_node, btree_node_read,
 426         TP_PROTO(struct btree_trans *trans, struct btree *b),
 427         TP_ARGS(trans, b)
 428 );
 429
 430 TRACE_EVENT(btree_node_write,
 431         TP_PROTO(struct btree *b, unsigned bytes, unsigned sectors),
 432         TP_ARGS(b, bytes, sectors),
 433
 434         TP_STRUCT__entry(
 435                 __field(enum btree_node_type,   type)
 436                 __field(unsigned,       bytes                   )
 437                 __field(unsigned,       sectors                 )
 438         ),
 439
 440         TP_fast_assign(
 441                 __entry->type   = btree_node_type(b);
 442                 __entry->bytes  = bytes;
 443                 __entry->sectors = sectors;
 444         ),
 445
 446         TP_printk("bkey type %u bytes %u sectors %u",
 447                   __entry->type , __entry->bytes, __entry->sectors)
 448 );
 449
 450 DEFINE_EVENT(btree_node, btree_node_alloc,
 451         TP_PROTO(struct btree_trans *trans, struct btree *b),
 452         TP_ARGS(trans, b)
 453 );
 454
 455 DEFINE_EVENT(btree_node, btree_node_free,
 456         TP_PROTO(struct btree_trans *trans, struct btree *b),
 457         TP_ARGS(trans, b)
 458 );
 459
 460 TRACE_EVENT(btree_reserve_get_fail,
 461         TP_PROTO(const char *trans_fn,
 462                  unsigned long caller_ip,
 463                  size_t required,
 464                  int ret),
 465         TP_ARGS(trans_fn, caller_ip, required, ret),
 466
 467         TP_STRUCT__entry(
 468                 __array(char,                   trans_fn, 32    )
 469                 __field(unsigned long,          caller_ip       )
 470                 __field(size_t,                 required        )
 471                 __array(char,                   ret, 32         )
 472         ),
 473
 474         TP_fast_assign(
 475                 strscpy(__entry->trans_fn, trans_fn, sizeof(__entry->trans_fn));
 476                 __entry->caller_ip      = caller_ip;
 477                 __entry->required       = required;
 478                 strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
 479         ),
 480
 481         TP_printk("%s %pS required %zu ret %s",
 482                   __entry->trans_fn,
 483                   (void *) __entry->caller_ip,
 484                   __entry->required,
 485                   __entry->ret)
 486 );
 487
 488 DEFINE_EVENT(btree_node, btree_node_compact,
 489         TP_PROTO(struct btree_trans *trans, struct btree *b),
 490         TP_ARGS(trans, b)
 491 );
 492
 493 DEFINE_EVENT(btree_node, btree_node_merge,
 494         TP_PROTO(struct btree_trans *trans, struct btree *b),
 495         TP_ARGS(trans, b)
 496 );
 497
 498 DEFINE_EVENT(btree_node, btree_node_split,
 499         TP_PROTO(struct btree_trans *trans, struct btree *b),
 500         TP_ARGS(trans, b)
 501 );
 502
 503 DEFINE_EVENT(btree_node, btree_node_rewrite,
 504         TP_PROTO(struct btree_trans *trans, struct btree *b),
 505         TP_ARGS(trans, b)
 506 );
 507
 508 DEFINE_EVENT(btree_node, btree_node_set_root,
 509         TP_PROTO(struct btree_trans *trans, struct btree *b),
 510         TP_ARGS(trans, b)
 511 );
 512
 513 TRACE_EVENT(btree_path_relock_fail,
 514         TP_PROTO(struct btree_trans *trans,
 515                  unsigned long caller_ip,
 516                  struct btree_path *path,
 517                  unsigned level),
 518         TP_ARGS(trans, caller_ip, path, level),
 519
 520         TP_STRUCT__entry(
 521                 __array(char,                   trans_fn, 32    )
 522                 __field(unsigned long,          caller_ip       )
 523                 __field(u8,                     btree_id        )
 524                 __field(u8,                     level           )
 525                 TRACE_BPOS_entries(pos)
 526                 __array(char,                   node, 24        )
 527                 __field(u8,                     self_read_count )
 528                 __field(u8,                     self_intent_count)
 529                 __field(u8,                     read_count      )
 530                 __field(u8,                     intent_count    )
 531                 __field(u32,                    iter_lock_seq   )
 532                 __field(u32,                    node_lock_seq   )
 533         ),
 534
 535         TP_fast_assign(
 536                 struct btree *b = btree_path_node(path, level);
 537                 struct six_lock_count c;
 538
 539                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 540                 __entry->caller_ip              = caller_ip;
 541                 __entry->btree_id               = path->btree_id;
 542                 __entry->level                  = path->level;
 543                 TRACE_BPOS_assign(pos, path->pos);
 544
 545                 c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
 546                 __entry->self_read_count        = c.n[SIX_LOCK_read];
 547                 __entry->self_intent_count      = c.n[SIX_LOCK_intent];
 548
 549                 if (IS_ERR(b)) {
 550                         strscpy(__entry->node, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node));
 551                 } else {
 552                         c = six_lock_counts(&path->l[level].b->c.lock);
 553                         __entry->read_count     = c.n[SIX_LOCK_read];
 554                         __entry->intent_count   = c.n[SIX_LOCK_intent];
 555                         scnprintf(__entry->node, sizeof(__entry->node), "%px", b);
 556                 }
 557                 __entry->iter_lock_seq          = path->l[level].lock_seq;
 558                 __entry->node_lock_seq          = is_btree_node(path, level)
 559                         ? six_lock_seq(&path->l[level].b->c.lock)
 560                         : 0;
 561         ),
 562
 563         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",
 564                   __entry->trans_fn,
 565                   (void *) __entry->caller_ip,
 566                   bch2_btree_id_str(__entry->btree_id),
 567                   __entry->pos_inode,
 568                   __entry->pos_offset,
 569                   __entry->pos_snapshot,
 570                   __entry->level,
 571                   __entry->node,
 572                   __entry->self_read_count,
 573                   __entry->self_intent_count,
 574                   __entry->read_count,
 575                   __entry->intent_count,
 576                   __entry->iter_lock_seq,
 577                   __entry->node_lock_seq)
 578 );
 579
 580 TRACE_EVENT(btree_path_upgrade_fail,
 581         TP_PROTO(struct btree_trans *trans,
 582                  unsigned long caller_ip,
 583                  struct btree_path *path,
 584                  unsigned level),
 585         TP_ARGS(trans, caller_ip, path, level),
 586
 587         TP_STRUCT__entry(
 588                 __array(char,                   trans_fn, 32    )
 589                 __field(unsigned long,          caller_ip       )
 590                 __field(u8,                     btree_id        )
 591                 __field(u8,                     level           )
 592                 TRACE_BPOS_entries(pos)
 593                 __field(u8,                     locked          )
 594                 __field(u8,                     self_read_count )
 595                 __field(u8,                     self_intent_count)
 596                 __field(u8,                     read_count      )
 597                 __field(u8,                     intent_count    )
 598                 __field(u32,                    iter_lock_seq   )
 599                 __field(u32,                    node_lock_seq   )
 600         ),
 601
 602         TP_fast_assign(
 603                 struct six_lock_count c;
 604
 605                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
 606                 __entry->caller_ip              = caller_ip;
 607                 __entry->btree_id               = path->btree_id;
 608                 __entry->level                  = level;
 609                 TRACE_BPOS_assign(pos, path->pos);
 610                 __entry->locked                 = btree_node_locked(path, level);
 611
 612                 c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
 613                 __entry->self_read_count        = c.n[SIX_LOCK_read];
 614                 __entry->self_intent_count      = c.n[SIX_LOCK_intent];
 615                 c = six_lock_counts(&path->l[level].b->c.lock);
 616                 __entry->read_count             = c.n[SIX_LOCK_read];
 617                 __entry->intent_count           = c.n[SIX_LOCK_intent];
 618                 __entry->iter_lock_seq          = path->l[level].lock_seq;
 619                 __entry->node_lock_seq          = is_btree_node(path, level)
 620                         ? six_lock_seq(&path->l[level].b->c.lock)
 621                         : 0;
 622         ),
 623
 624         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",
 625                   __entry->trans_fn,
 626                   (void *) __entry->caller_ip,
 627                   bch2_btree_id_str(__entry->btree_id),
 628                   __entry->pos_inode,
 629                   __entry->pos_offset,
 630                   __entry->pos_snapshot,
 631                   __entry->level,
 632                   __entry->locked,
 633                   __entry->self_read_count,
 634                   __entry->self_intent_count,
 635                   __entry->read_count,
 636                   __entry->intent_count,
 637                   __entry->iter_lock_seq,
 638                   __entry->node_lock_seq)
 639 );
 640
 641 /* Garbage collection */
 642
 643 DEFINE_EVENT(bch_fs, gc_gens_start,
 644         TP_PROTO(struct bch_fs *c),
 645         TP_ARGS(c)
 646 );
 647
 648 DEFINE_EVENT(bch_fs, gc_gens_end,
 649         TP_PROTO(struct bch_fs *c),
 650         TP_ARGS(c)
 651 );
 652
 653 /* Allocator */
 654
 655 DECLARE_EVENT_CLASS(bucket_alloc,
 656         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 657                  u64 bucket,
 658                  u64 free,
 659                  u64 avail,
 660                  u64 copygc_wait_amount,
 661                  s64 copygc_waiting_for,
 662                  struct bucket_alloc_state *s,
 663                  bool nonblocking,
 664                  const char *err),
 665         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 666                 copygc_wait_amount, copygc_waiting_for,
 667                 s, nonblocking, err),
 668
 669         TP_STRUCT__entry(
 670                 __field(u8,                     dev                     )
 671                 __array(char,   reserve,        16                      )
 672                 __field(u64,                    bucket  )
 673                 __field(u64,                    free                    )
 674                 __field(u64,                    avail                   )
 675                 __field(u64,                    copygc_wait_amount      )
 676                 __field(s64,                    copygc_waiting_for      )
 677                 __field(u64,                    seen                    )
 678                 __field(u64,                    open                    )
 679                 __field(u64,                    need_journal_commit     )
 680                 __field(u64,                    nouse                   )
 681                 __field(bool,                   nonblocking             )
 682                 __field(u64,                    nocow                   )
 683                 __array(char,                   err,    32              )
 684         ),
 685
 686         TP_fast_assign(
 687                 __entry->dev            = ca->dev_idx;
 688                 strscpy(__entry->reserve, alloc_reserve, sizeof(__entry->reserve));
 689                 __entry->bucket         = bucket;
 690                 __entry->free           = free;
 691                 __entry->avail          = avail;
 692                 __entry->copygc_wait_amount     = copygc_wait_amount;
 693                 __entry->copygc_waiting_for     = copygc_waiting_for;
 694                 __entry->seen           = s->buckets_seen;
 695                 __entry->open           = s->skipped_open;
 696                 __entry->need_journal_commit = s->skipped_need_journal_commit;
 697                 __entry->nouse          = s->skipped_nouse;
 698                 __entry->nonblocking    = nonblocking;
 699                 __entry->nocow          = s->skipped_nocow;
 700                 strscpy(__entry->err, err, sizeof(__entry->err));
 701         ),
 702
 703         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",
 704                   __entry->reserve,
 705                   __entry->dev,
 706                   __entry->bucket,
 707                   __entry->free,
 708                   __entry->avail,
 709                   __entry->copygc_wait_amount,
 710                   __entry->copygc_waiting_for,
 711                   __entry->seen,
 712                   __entry->open,
 713                   __entry->need_journal_commit,
 714                   __entry->nouse,
 715                   __entry->nocow,
 716                   __entry->nonblocking,
 717                   __entry->err)
 718 );
 719
 720 DEFINE_EVENT(bucket_alloc, bucket_alloc,
 721         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 722                  u64 bucket,
 723                  u64 free,
 724                  u64 avail,
 725                  u64 copygc_wait_amount,
 726                  s64 copygc_waiting_for,
 727                  struct bucket_alloc_state *s,
 728                  bool nonblocking,
 729                  const char *err),
 730         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 731                 copygc_wait_amount, copygc_waiting_for,
 732                 s, nonblocking, err)
 733 );
 734
 735 DEFINE_EVENT(bucket_alloc, bucket_alloc_fail,
 736         TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
 737                  u64 bucket,
 738                  u64 free,
 739                  u64 avail,
 740                  u64 copygc_wait_amount,
 741                  s64 copygc_waiting_for,
 742                  struct bucket_alloc_state *s,
 743                  bool nonblocking,
 744                  const char *err),
 745         TP_ARGS(ca, alloc_reserve, bucket, free, avail,
 746                 copygc_wait_amount, copygc_waiting_for,
 747                 s, nonblocking, err)
 748 );
 749
 750 TRACE_EVENT(discard_buckets,
 751         TP_PROTO(struct bch_fs *c, u64 seen, u64 open,
 752                  u64 need_journal_commit, u64 discarded, const char *err),
 753         TP_ARGS(c, seen, open, need_journal_commit, discarded, err),
 754
 755         TP_STRUCT__entry(
 756                 __field(dev_t,          dev                     )
 757                 __field(u64,            seen                    )
 758                 __field(u64,            open                    )
 759                 __field(u64,            need_journal_commit     )
 760                 __field(u64,            discarded               )
 761                 __array(char,           err,    16              )
 762         ),
 763
 764         TP_fast_assign(
 765                 __entry->dev                    = c->dev;
 766                 __entry->seen                   = seen;
 767                 __entry->open                   = open;
 768                 __entry->need_journal_commit    = need_journal_commit;
 769                 __entry->discarded              = discarded;
 770                 strscpy(__entry->err, err, sizeof(__entry->err));
 771         ),
 772
 773         TP_printk("%d%d seen %llu open %llu need_journal_commit %llu discarded %llu err %s",
 774                   MAJOR(__entry->dev), MINOR(__entry->dev),
 775                   __entry->seen,
 776                   __entry->open,
 777                   __entry->need_journal_commit,
 778                   __entry->discarded,
 779                   __entry->err)
 780 );
 781
 782 TRACE_EVENT(bucket_invalidate,
 783         TP_PROTO(struct bch_fs *c, unsigned dev, u64 bucket, u32 sectors),
 784         TP_ARGS(c, dev, bucket, sectors),
 785
 786         TP_STRUCT__entry(
 787                 __field(dev_t,          dev                     )
 788                 __field(u32,            dev_idx                 )
 789                 __field(u32,            sectors                 )
 790                 __field(u64,            bucket                  )
 791         ),
 792
 793         TP_fast_assign(
 794                 __entry->dev            = c->dev;
 795                 __entry->dev_idx        = dev;
 796                 __entry->sectors        = sectors;
 797                 __entry->bucket         = bucket;
 798         ),
 799
 800         TP_printk("%d:%d invalidated %u:%llu cached sectors %u",
 801                   MAJOR(__entry->dev), MINOR(__entry->dev),
 802                   __entry->dev_idx, __entry->bucket,
 803                   __entry->sectors)
 804 );
 805
 806 /* Moving IO */
 807
 808 TRACE_EVENT(bucket_evacuate,
 809         TP_PROTO(struct bch_fs *c, struct bpos *bucket),
 810         TP_ARGS(c, bucket),
 811
 812         TP_STRUCT__entry(
 813                 __field(dev_t,          dev                     )
 814                 __field(u32,            dev_idx                 )
 815                 __field(u64,            bucket                  )
 816         ),
 817
 818         TP_fast_assign(
 819                 __entry->dev            = c->dev;
 820                 __entry->dev_idx        = bucket->inode;
 821                 __entry->bucket         = bucket->offset;
 822         ),
 823
 824         TP_printk("%d:%d %u:%llu",
 825                   MAJOR(__entry->dev), MINOR(__entry->dev),
 826                   __entry->dev_idx, __entry->bucket)
 827 );
 828
 829 DEFINE_EVENT(fs_str, move_extent,
 830         TP_PROTO(struct bch_fs *c, const char *k),
 831         TP_ARGS(c, k)
 832 );
 833
 834 DEFINE_EVENT(fs_str, move_extent_read,
 835         TP_PROTO(struct bch_fs *c, const char *k),
 836         TP_ARGS(c, k)
 837 );
 838
 839 DEFINE_EVENT(fs_str, move_extent_write,
 840         TP_PROTO(struct bch_fs *c, const char *k),
 841         TP_ARGS(c, k)
 842 );
 843
 844 DEFINE_EVENT(fs_str, move_extent_finish,
 845         TP_PROTO(struct bch_fs *c, const char *k),
 846         TP_ARGS(c, k)
 847 );
 848
 849 TRACE_EVENT(move_extent_fail,
 850         TP_PROTO(struct bch_fs *c, const char *msg),
 851         TP_ARGS(c, msg),
 852
 853         TP_STRUCT__entry(
 854                 __field(dev_t,          dev                     )
 855                 __string(msg,           msg                     )
 856         ),
 857
 858         TP_fast_assign(
 859                 __entry->dev            = c->dev;
 860                 __assign_str(msg, msg);
 861         ),
 862
 863         TP_printk("%d:%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __get_str(msg))
 864 );
 865
 866 DEFINE_EVENT(fs_str, move_extent_start_fail,
 867         TP_PROTO(struct bch_fs *c, const char *str),
 868         TP_ARGS(c, str)
 869 );
 870
 871 TRACE_EVENT(move_data,
 872         TP_PROTO(struct bch_fs *c,
 873                  struct bch_move_stats *stats),
 874         TP_ARGS(c, stats),
 875
 876         TP_STRUCT__entry(
 877                 __field(dev_t,          dev             )
 878                 __field(u64,            keys_moved      )
 879                 __field(u64,            keys_raced      )
 880                 __field(u64,            sectors_seen    )
 881                 __field(u64,            sectors_moved   )
 882                 __field(u64,            sectors_raced   )
 883         ),
 884
 885         TP_fast_assign(
 886                 __entry->dev            = c->dev;
 887                 __entry->keys_moved     = atomic64_read(&stats->keys_moved);
 888                 __entry->keys_raced     = atomic64_read(&stats->keys_raced);
 889                 __entry->sectors_seen   = atomic64_read(&stats->sectors_seen);
 890                 __entry->sectors_moved  = atomic64_read(&stats->sectors_moved);
 891                 __entry->sectors_raced  = atomic64_read(&stats->sectors_raced);
 892         ),
 893
 894         TP_printk("%d,%d keys moved %llu raced %llu"
 895                   "sectors seen %llu moved %llu raced %llu",
 896                   MAJOR(__entry->dev), MINOR(__entry->dev),
 897                   __entry->keys_moved,
 898                   __entry->keys_raced,
 899                   __entry->sectors_seen,
 900                   __entry->sectors_moved,
 901                   __entry->sectors_raced)
 902 );
 903
 904 TRACE_EVENT(evacuate_bucket,
 905         TP_PROTO(struct bch_fs *c, struct bpos *bucket,
 906                  unsigned sectors, unsigned bucket_size,
 907                  u64 fragmentation, int ret),
 908         TP_ARGS(c, bucket, sectors, bucket_size, fragmentation, ret),
 909
 910         TP_STRUCT__entry(
 911                 __field(dev_t,          dev             )
 912                 __field(u64,            member          )
 913                 __field(u64,            bucket          )
 914                 __field(u32,            sectors         )
 915                 __field(u32,            bucket_size     )
 916                 __field(u64,            fragmentation   )
 917                 __field(int,            ret             )
 918         ),
 919
 920         TP_fast_assign(
 921                 __entry->dev                    = c->dev;
 922                 __entry->member                 = bucket->inode;
 923                 __entry->bucket                 = bucket->offset;
 924                 __entry->sectors                = sectors;
 925                 __entry->bucket_size            = bucket_size;
 926                 __entry->fragmentation          = fragmentation;
 927                 __entry->ret                    = ret;
 928         ),
 929
 930         TP_printk("%d,%d %llu:%llu sectors %u/%u fragmentation %llu ret %i",
 931                   MAJOR(__entry->dev), MINOR(__entry->dev),
 932                   __entry->member, __entry->bucket,
 933                   __entry->sectors, __entry->bucket_size,
 934                   __entry->fragmentation, __entry->ret)
 935 );
 936
 937 TRACE_EVENT(copygc,
 938         TP_PROTO(struct bch_fs *c,
 939                  u64 sectors_moved, u64 sectors_not_moved,
 940                  u64 buckets_moved, u64 buckets_not_moved),
 941         TP_ARGS(c,
 942                 sectors_moved, sectors_not_moved,
 943                 buckets_moved, buckets_not_moved),
 944
 945         TP_STRUCT__entry(
 946                 __field(dev_t,          dev                     )
 947                 __field(u64,            sectors_moved           )
 948                 __field(u64,            sectors_not_moved       )
 949                 __field(u64,            buckets_moved           )
 950                 __field(u64,            buckets_not_moved       )
 951         ),
 952
 953         TP_fast_assign(
 954                 __entry->dev                    = c->dev;
 955                 __entry->sectors_moved          = sectors_moved;
 956                 __entry->sectors_not_moved      = sectors_not_moved;
 957                 __entry->buckets_moved          = buckets_moved;
 958                 __entry->buckets_not_moved = buckets_moved;
 959         ),
 960
 961         TP_printk("%d,%d sectors moved %llu remain %llu buckets moved %llu remain %llu",
 962                   MAJOR(__entry->dev), MINOR(__entry->dev),
 963                   __entry->sectors_moved, __entry->sectors_not_moved,
 964                   __entry->buckets_moved, __entry->buckets_not_moved)
 965 );
 966
 967 TRACE_EVENT(copygc_wait,
 968         TP_PROTO(struct bch_fs *c,
 969                  u64 wait_amount, u64 until),
 970         TP_ARGS(c, wait_amount, until),
 971
 972         TP_STRUCT__entry(
 973                 __field(dev_t,          dev                     )
 974                 __field(u64,            wait_amount             )
 975                 __field(u64,            until                   )
 976         ),
 977
 978         TP_fast_assign(
 979                 __entry->dev            = c->dev;
 980                 __entry->wait_amount    = wait_amount;
 981                 __entry->until          = until;
 982         ),
 983
 984         TP_printk("%d,%u waiting for %llu sectors until %llu",
 985                   MAJOR(__entry->dev), MINOR(__entry->dev),
 986                   __entry->wait_amount, __entry->until)
 987 );
 988
 989 /* btree transactions: */
 990
 991 DECLARE_EVENT_CLASS(transaction_event,
 992         TP_PROTO(struct btree_trans *trans,
 993                  unsigned long caller_ip),
 994         TP_ARGS(trans, caller_ip),
 995
 996         TP_STRUCT__entry(
 997                 __array(char,                   trans_fn, 32    )
 998                 __field(unsigned long,          caller_ip       )
 999         ),
1000
1001         TP_fast_assign(
1002                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1003                 __entry->caller_ip              = caller_ip;
1004         ),
1005
1006         TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
1007 );
1008
1009 DEFINE_EVENT(transaction_event, transaction_commit,
1010         TP_PROTO(struct btree_trans *trans,
1011                  unsigned long caller_ip),
1012         TP_ARGS(trans, caller_ip)
1013 );
1014
1015 DEFINE_EVENT(transaction_event, trans_restart_injected,
1016         TP_PROTO(struct btree_trans *trans,
1017                  unsigned long caller_ip),
1018         TP_ARGS(trans, caller_ip)
1019 );
1020
1021 TRACE_EVENT(trans_restart_split_race,
1022         TP_PROTO(struct btree_trans *trans,
1023                  unsigned long caller_ip,
1024                  struct btree *b),
1025         TP_ARGS(trans, caller_ip, b),
1026
1027         TP_STRUCT__entry(
1028                 __array(char,                   trans_fn, 32    )
1029                 __field(unsigned long,          caller_ip       )
1030                 __field(u8,                     level           )
1031                 __field(u16,                    written         )
1032                 __field(u16,                    blocks          )
1033                 __field(u16,                    u64s_remaining  )
1034         ),
1035
1036         TP_fast_assign(
1037                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1038                 __entry->caller_ip              = caller_ip;
1039                 __entry->level          = b->c.level;
1040                 __entry->written        = b->written;
1041                 __entry->blocks         = btree_blocks(trans->c);
1042                 __entry->u64s_remaining = bch_btree_keys_u64s_remaining(trans->c, b);
1043         ),
1044
1045         TP_printk("%s %pS l=%u written %u/%u u64s remaining %u",
1046                   __entry->trans_fn, (void *) __entry->caller_ip,
1047                   __entry->level,
1048                   __entry->written, __entry->blocks,
1049                   __entry->u64s_remaining)
1050 );
1051
1052 DEFINE_EVENT(transaction_event, trans_blocked_journal_reclaim,
1053         TP_PROTO(struct btree_trans *trans,
1054                  unsigned long caller_ip),
1055         TP_ARGS(trans, caller_ip)
1056 );
1057
1058 TRACE_EVENT(trans_restart_journal_preres_get,
1059         TP_PROTO(struct btree_trans *trans,
1060                  unsigned long caller_ip,
1061                  unsigned flags),
1062         TP_ARGS(trans, caller_ip, flags),
1063
1064         TP_STRUCT__entry(
1065                 __array(char,                   trans_fn, 32    )
1066                 __field(unsigned long,          caller_ip       )
1067                 __field(unsigned,               flags           )
1068         ),
1069
1070         TP_fast_assign(
1071                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1072                 __entry->caller_ip              = caller_ip;
1073                 __entry->flags                  = flags;
1074         ),
1075
1076         TP_printk("%s %pS %x", __entry->trans_fn,
1077                   (void *) __entry->caller_ip,
1078                   __entry->flags)
1079 );
1080
1081 DEFINE_EVENT(transaction_event, trans_restart_fault_inject,
1082         TP_PROTO(struct btree_trans *trans,
1083                  unsigned long caller_ip),
1084         TP_ARGS(trans, caller_ip)
1085 );
1086
1087 DEFINE_EVENT(transaction_event, trans_traverse_all,
1088         TP_PROTO(struct btree_trans *trans,
1089                  unsigned long caller_ip),
1090         TP_ARGS(trans, caller_ip)
1091 );
1092
1093 DEFINE_EVENT(transaction_event, trans_restart_key_cache_raced,
1094         TP_PROTO(struct btree_trans *trans,
1095                  unsigned long caller_ip),
1096         TP_ARGS(trans, caller_ip)
1097 );
1098
1099 DEFINE_EVENT(trans_str, trans_restart_too_many_iters,
1100         TP_PROTO(struct btree_trans *trans,
1101                  unsigned long caller_ip,
1102                  const char *paths),
1103         TP_ARGS(trans, caller_ip, paths)
1104 );
1105
1106 DECLARE_EVENT_CLASS(transaction_restart_iter,
1107         TP_PROTO(struct btree_trans *trans,
1108                  unsigned long caller_ip,
1109                  struct btree_path *path),
1110         TP_ARGS(trans, caller_ip, path),
1111
1112         TP_STRUCT__entry(
1113                 __array(char,                   trans_fn, 32    )
1114                 __field(unsigned long,          caller_ip       )
1115                 __field(u8,                     btree_id        )
1116                 TRACE_BPOS_entries(pos)
1117         ),
1118
1119         TP_fast_assign(
1120                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1121                 __entry->caller_ip              = caller_ip;
1122                 __entry->btree_id               = path->btree_id;
1123                 TRACE_BPOS_assign(pos, path->pos)
1124         ),
1125
1126         TP_printk("%s %pS btree %s pos %llu:%llu:%u",
1127                   __entry->trans_fn,
1128                   (void *) __entry->caller_ip,
1129                   bch2_btree_id_str(__entry->btree_id),
1130                   __entry->pos_inode,
1131                   __entry->pos_offset,
1132                   __entry->pos_snapshot)
1133 );
1134
1135 DEFINE_EVENT(transaction_restart_iter,  trans_restart_btree_node_reused,
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_btree_node_split,
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 struct get_locks_fail;
1150
1151 TRACE_EVENT(trans_restart_upgrade,
1152         TP_PROTO(struct btree_trans *trans,
1153                  unsigned long caller_ip,
1154                  struct btree_path *path,
1155                  unsigned old_locks_want,
1156                  unsigned new_locks_want,
1157                  struct get_locks_fail *f),
1158         TP_ARGS(trans, caller_ip, path, old_locks_want, new_locks_want, f),
1159
1160         TP_STRUCT__entry(
1161                 __array(char,                   trans_fn, 32    )
1162                 __field(unsigned long,          caller_ip       )
1163                 __field(u8,                     btree_id        )
1164                 __field(u8,                     old_locks_want  )
1165                 __field(u8,                     new_locks_want  )
1166                 __field(u8,                     level           )
1167                 __field(u32,                    path_seq        )
1168                 __field(u32,                    node_seq        )
1169                 TRACE_BPOS_entries(pos)
1170         ),
1171
1172         TP_fast_assign(
1173                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1174                 __entry->caller_ip              = caller_ip;
1175                 __entry->btree_id               = path->btree_id;
1176                 __entry->old_locks_want         = old_locks_want;
1177                 __entry->new_locks_want         = new_locks_want;
1178                 __entry->level                  = f->l;
1179                 __entry->path_seq               = path->l[f->l].lock_seq;
1180                 __entry->node_seq               = IS_ERR_OR_NULL(f->b) ? 0 : f->b->c.lock.seq;
1181                 TRACE_BPOS_assign(pos, path->pos)
1182         ),
1183
1184         TP_printk("%s %pS btree %s pos %llu:%llu:%u locks_want %u -> %u level %u path seq %u node seq %u",
1185                   __entry->trans_fn,
1186                   (void *) __entry->caller_ip,
1187                   bch2_btree_id_str(__entry->btree_id),
1188                   __entry->pos_inode,
1189                   __entry->pos_offset,
1190                   __entry->pos_snapshot,
1191                   __entry->old_locks_want,
1192                   __entry->new_locks_want,
1193                   __entry->level,
1194                   __entry->path_seq,
1195                   __entry->node_seq)
1196 );
1197
1198 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock,
1199         TP_PROTO(struct btree_trans *trans,
1200                  unsigned long caller_ip,
1201                  struct btree_path *path),
1202         TP_ARGS(trans, caller_ip, path)
1203 );
1204
1205 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_next_node,
1206         TP_PROTO(struct btree_trans *trans,
1207                  unsigned long caller_ip,
1208                  struct btree_path *path),
1209         TP_ARGS(trans, caller_ip, path)
1210 );
1211
1212 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_parent_for_fill,
1213         TP_PROTO(struct btree_trans *trans,
1214                  unsigned long caller_ip,
1215                  struct btree_path *path),
1216         TP_ARGS(trans, caller_ip, path)
1217 );
1218
1219 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_after_fill,
1220         TP_PROTO(struct btree_trans *trans,
1221                  unsigned long caller_ip,
1222                  struct btree_path *path),
1223         TP_ARGS(trans, caller_ip, path)
1224 );
1225
1226 DEFINE_EVENT(transaction_event, trans_restart_key_cache_upgrade,
1227         TP_PROTO(struct btree_trans *trans,
1228                  unsigned long caller_ip),
1229         TP_ARGS(trans, caller_ip)
1230 );
1231
1232 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_key_cache_fill,
1233         TP_PROTO(struct btree_trans *trans,
1234                  unsigned long caller_ip,
1235                  struct btree_path *path),
1236         TP_ARGS(trans, caller_ip, path)
1237 );
1238
1239 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_path,
1240         TP_PROTO(struct btree_trans *trans,
1241                  unsigned long caller_ip,
1242                  struct btree_path *path),
1243         TP_ARGS(trans, caller_ip, path)
1244 );
1245
1246 DEFINE_EVENT(transaction_restart_iter,  trans_restart_relock_path_intent,
1247         TP_PROTO(struct btree_trans *trans,
1248                  unsigned long caller_ip,
1249                  struct btree_path *path),
1250         TP_ARGS(trans, caller_ip, path)
1251 );
1252
1253 DEFINE_EVENT(transaction_restart_iter,  trans_restart_traverse,
1254         TP_PROTO(struct btree_trans *trans,
1255                  unsigned long caller_ip,
1256                  struct btree_path *path),
1257         TP_ARGS(trans, caller_ip, path)
1258 );
1259
1260 DEFINE_EVENT(transaction_restart_iter,  trans_restart_memory_allocation_failure,
1261         TP_PROTO(struct btree_trans *trans,
1262                  unsigned long caller_ip,
1263                  struct btree_path *path),
1264         TP_ARGS(trans, caller_ip, path)
1265 );
1266
1267 DEFINE_EVENT(trans_str_nocaller, trans_restart_would_deadlock,
1268         TP_PROTO(struct btree_trans *trans,
1269                  const char *cycle),
1270         TP_ARGS(trans, cycle)
1271 );
1272
1273 DEFINE_EVENT(transaction_event, trans_restart_would_deadlock_recursion_limit,
1274         TP_PROTO(struct btree_trans *trans,
1275                  unsigned long caller_ip),
1276         TP_ARGS(trans, caller_ip)
1277 );
1278
1279 TRACE_EVENT(trans_restart_would_deadlock_write,
1280         TP_PROTO(struct btree_trans *trans),
1281         TP_ARGS(trans),
1282
1283         TP_STRUCT__entry(
1284                 __array(char,                   trans_fn, 32    )
1285         ),
1286
1287         TP_fast_assign(
1288                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1289         ),
1290
1291         TP_printk("%s", __entry->trans_fn)
1292 );
1293
1294 TRACE_EVENT(trans_restart_mem_realloced,
1295         TP_PROTO(struct btree_trans *trans,
1296                  unsigned long caller_ip,
1297                  unsigned long bytes),
1298         TP_ARGS(trans, caller_ip, bytes),
1299
1300         TP_STRUCT__entry(
1301                 __array(char,                   trans_fn, 32    )
1302                 __field(unsigned long,          caller_ip       )
1303                 __field(unsigned long,          bytes           )
1304         ),
1305
1306         TP_fast_assign(
1307                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1308                 __entry->caller_ip      = caller_ip;
1309                 __entry->bytes          = bytes;
1310         ),
1311
1312         TP_printk("%s %pS bytes %lu",
1313                   __entry->trans_fn,
1314                   (void *) __entry->caller_ip,
1315                   __entry->bytes)
1316 );
1317
1318 TRACE_EVENT(trans_restart_key_cache_key_realloced,
1319         TP_PROTO(struct btree_trans *trans,
1320                  unsigned long caller_ip,
1321                  struct btree_path *path,
1322                  unsigned old_u64s,
1323                  unsigned new_u64s),
1324         TP_ARGS(trans, caller_ip, path, old_u64s, new_u64s),
1325
1326         TP_STRUCT__entry(
1327                 __array(char,                   trans_fn, 32    )
1328                 __field(unsigned long,          caller_ip       )
1329                 __field(enum btree_id,          btree_id        )
1330                 TRACE_BPOS_entries(pos)
1331                 __field(u32,                    old_u64s        )
1332                 __field(u32,                    new_u64s        )
1333         ),
1334
1335         TP_fast_assign(
1336                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1337                 __entry->caller_ip              = caller_ip;
1338
1339                 __entry->btree_id       = path->btree_id;
1340                 TRACE_BPOS_assign(pos, path->pos);
1341                 __entry->old_u64s       = old_u64s;
1342                 __entry->new_u64s       = new_u64s;
1343         ),
1344
1345         TP_printk("%s %pS btree %s pos %llu:%llu:%u old_u64s %u new_u64s %u",
1346                   __entry->trans_fn,
1347                   (void *) __entry->caller_ip,
1348                   bch2_btree_id_str(__entry->btree_id),
1349                   __entry->pos_inode,
1350                   __entry->pos_offset,
1351                   __entry->pos_snapshot,
1352                   __entry->old_u64s,
1353                   __entry->new_u64s)
1354 );
1355
1356 TRACE_EVENT(path_downgrade,
1357         TP_PROTO(struct btree_trans *trans,
1358                  unsigned long caller_ip,
1359                  struct btree_path *path,
1360                  unsigned old_locks_want),
1361         TP_ARGS(trans, caller_ip, path, old_locks_want),
1362
1363         TP_STRUCT__entry(
1364                 __array(char,                   trans_fn, 32    )
1365                 __field(unsigned long,          caller_ip       )
1366                 __field(unsigned,               old_locks_want  )
1367                 __field(unsigned,               new_locks_want  )
1368                 __field(unsigned,               btree           )
1369                 TRACE_BPOS_entries(pos)
1370         ),
1371
1372         TP_fast_assign(
1373                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1374                 __entry->caller_ip              = caller_ip;
1375                 __entry->old_locks_want         = old_locks_want;
1376                 __entry->new_locks_want         = path->locks_want;
1377                 __entry->btree                  = path->btree_id;
1378                 TRACE_BPOS_assign(pos, path->pos);
1379         ),
1380
1381         TP_printk("%s %pS locks_want %u -> %u %s %llu:%llu:%u",
1382                   __entry->trans_fn,
1383                   (void *) __entry->caller_ip,
1384                   __entry->old_locks_want,
1385                   __entry->new_locks_want,
1386                   bch2_btree_id_str(__entry->btree),
1387                   __entry->pos_inode,
1388                   __entry->pos_offset,
1389                   __entry->pos_snapshot)
1390 );
1391
1392 DEFINE_EVENT(transaction_event, trans_restart_write_buffer_flush,
1393         TP_PROTO(struct btree_trans *trans,
1394                  unsigned long caller_ip),
1395         TP_ARGS(trans, caller_ip)
1396 );
1397
1398 TRACE_EVENT(write_buffer_flush,
1399         TP_PROTO(struct btree_trans *trans, size_t nr, size_t skipped, size_t fast, size_t size),
1400         TP_ARGS(trans, nr, skipped, fast, size),
1401
1402         TP_STRUCT__entry(
1403                 __field(size_t,         nr              )
1404                 __field(size_t,         skipped         )
1405                 __field(size_t,         fast            )
1406                 __field(size_t,         size            )
1407         ),
1408
1409         TP_fast_assign(
1410                 __entry->nr     = nr;
1411                 __entry->skipped = skipped;
1412                 __entry->fast   = fast;
1413                 __entry->size   = size;
1414         ),
1415
1416         TP_printk("%zu/%zu skipped %zu fast %zu",
1417                   __entry->nr, __entry->size, __entry->skipped, __entry->fast)
1418 );
1419
1420 TRACE_EVENT(write_buffer_flush_sync,
1421         TP_PROTO(struct btree_trans *trans, unsigned long caller_ip),
1422         TP_ARGS(trans, caller_ip),
1423
1424         TP_STRUCT__entry(
1425                 __array(char,                   trans_fn, 32    )
1426                 __field(unsigned long,          caller_ip       )
1427         ),
1428
1429         TP_fast_assign(
1430                 strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1431                 __entry->caller_ip              = caller_ip;
1432         ),
1433
1434         TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
1435 );
1436
1437 TRACE_EVENT(write_buffer_flush_slowpath,
1438         TP_PROTO(struct btree_trans *trans, size_t slowpath, size_t total),
1439         TP_ARGS(trans, slowpath, total),
1440
1441         TP_STRUCT__entry(
1442                 __field(size_t,         slowpath        )
1443                 __field(size_t,         total           )
1444         ),
1445
1446         TP_fast_assign(
1447                 __entry->slowpath       = slowpath;
1448                 __entry->total          = total;
1449         ),
1450
1451         TP_printk("%zu/%zu", __entry->slowpath, __entry->total)
1452 );
1453
1454 DEFINE_EVENT(fs_str, rebalance_extent,
1455         TP_PROTO(struct bch_fs *c, const char *str),
1456         TP_ARGS(c, str)
1457 );
1458
1459 DEFINE_EVENT(fs_str, data_update,
1460         TP_PROTO(struct bch_fs *c, const char *str),
1461         TP_ARGS(c, str)
1462 );
1463
1464 #endif /* _TRACE_BCACHEFS_H */
1465
1466 /* This part must be outside protection */
1467 #undef TRACE_INCLUDE_PATH
1468 #define TRACE_INCLUDE_PATH ../../fs/bcachefs
1469
1470 #undef TRACE_INCLUDE_FILE
1471 #define TRACE_INCLUDE_FILE trace
1472
1473 #include <trace/define_trace.h>