include/trace/events/btrfs.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM btrfs
   3
   4 #if !defined(_TRACE_BTRFS_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_BTRFS_H
   6
   7 #include <linux/writeback.h>
   8 #include <linux/tracepoint.h>
   9 #include <trace/events/gfpflags.h>
  10
  11 struct btrfs_root;
  12 struct btrfs_fs_info;
  13 struct btrfs_inode;
  14 struct extent_map;
  15 struct btrfs_ordered_extent;
  16 struct btrfs_delayed_ref_node;
  17 struct btrfs_delayed_tree_ref;
  18 struct btrfs_delayed_data_ref;
  19 struct btrfs_delayed_ref_head;
  20 struct btrfs_block_group_cache;
  21 struct btrfs_free_cluster;
  22 struct map_lookup;
  23 struct extent_buffer;
  24
  25 #define show_ref_type(type)                                             \
  26         __print_symbolic(type,                                          \
  27                 { BTRFS_TREE_BLOCK_REF_KEY,     "TREE_BLOCK_REF" },     \
  28                 { BTRFS_EXTENT_DATA_REF_KEY,    "EXTENT_DATA_REF" },    \
  29                 { BTRFS_EXTENT_REF_V0_KEY,      "EXTENT_REF_V0" },      \
  30                 { BTRFS_SHARED_BLOCK_REF_KEY,   "SHARED_BLOCK_REF" },   \
  31                 { BTRFS_SHARED_DATA_REF_KEY,    "SHARED_DATA_REF" })
  32
  33 #define __show_root_type(obj)                                           \
  34         __print_symbolic_u64(obj,                                       \
  35                 { BTRFS_ROOT_TREE_OBJECTID,     "ROOT_TREE"     },      \
  36                 { BTRFS_EXTENT_TREE_OBJECTID,   "EXTENT_TREE"   },      \
  37                 { BTRFS_CHUNK_TREE_OBJECTID,    "CHUNK_TREE"    },      \
  38                 { BTRFS_DEV_TREE_OBJECTID,      "DEV_TREE"      },      \
  39                 { BTRFS_FS_TREE_OBJECTID,       "FS_TREE"       },      \
  40                 { BTRFS_ROOT_TREE_DIR_OBJECTID, "ROOT_TREE_DIR" },      \
  41                 { BTRFS_CSUM_TREE_OBJECTID,     "CSUM_TREE"     },      \
  42                 { BTRFS_TREE_LOG_OBJECTID,      "TREE_LOG"      },      \
  43                 { BTRFS_TREE_RELOC_OBJECTID,    "TREE_RELOC"    },      \
  44                 { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })
  45
  46 #define show_root_type(obj)                                             \
  47         obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||                \
  48               (obj >= BTRFS_ROOT_TREE_OBJECTID &&                       \
  49                obj <= BTRFS_CSUM_TREE_OBJECTID)) ? __show_root_type(obj) : "-"
  50
  51 #define BTRFS_GROUP_FLAGS       \
  52         { BTRFS_BLOCK_GROUP_DATA,       "DATA"}, \
  53         { BTRFS_BLOCK_GROUP_SYSTEM,     "SYSTEM"}, \
  54         { BTRFS_BLOCK_GROUP_METADATA,   "METADATA"}, \
  55         { BTRFS_BLOCK_GROUP_RAID0,      "RAID0"}, \
  56         { BTRFS_BLOCK_GROUP_RAID1,      "RAID1"}, \
  57         { BTRFS_BLOCK_GROUP_DUP,        "DUP"}, \
  58         { BTRFS_BLOCK_GROUP_RAID10,     "RAID10"}
  59
  60 #define BTRFS_UUID_SIZE 16
  61
  62 TRACE_EVENT(btrfs_transaction_commit,
  63
  64         TP_PROTO(struct btrfs_root *root),
  65
  66         TP_ARGS(root),
  67
  68         TP_STRUCT__entry(
  69                 __field(        u64,  generation                )
  70                 __field(        u64,  root_objectid             )
  71         ),
  72
  73         TP_fast_assign(
  74                 __entry->generation     = root->fs_info->generation;
  75                 __entry->root_objectid  = root->root_key.objectid;
  76         ),
  77
  78         TP_printk("root = %llu(%s), gen = %llu",
  79                   show_root_type(__entry->root_objectid),
  80                   (unsigned long long)__entry->generation)
  81 );
  82
  83 DECLARE_EVENT_CLASS(btrfs__inode,
  84
  85         TP_PROTO(struct inode *inode),
  86
  87         TP_ARGS(inode),
  88
  89         TP_STRUCT__entry(
  90                 __field(        ino_t,  ino                     )
  91                 __field(        blkcnt_t,  blocks               )
  92                 __field(        u64,  disk_i_size               )
  93                 __field(        u64,  generation                )
  94                 __field(        u64,  last_trans                )
  95                 __field(        u64,  logged_trans              )
  96                 __field(        u64,  root_objectid             )
  97         ),
  98
  99         TP_fast_assign(
 100                 __entry->ino    = inode->i_ino;
 101                 __entry->blocks = inode->i_blocks;
 102                 __entry->disk_i_size  = BTRFS_I(inode)->disk_i_size;
 103                 __entry->generation = BTRFS_I(inode)->generation;
 104                 __entry->last_trans = BTRFS_I(inode)->last_trans;
 105                 __entry->logged_trans = BTRFS_I(inode)->logged_trans;
 106                 __entry->root_objectid =
 107                                 BTRFS_I(inode)->root->root_key.objectid;
 108         ),
 109
 110         TP_printk("root = %llu(%s), gen = %llu, ino = %lu, blocks = %llu, "
 111                   "disk_i_size = %llu, last_trans = %llu, logged_trans = %llu",
 112                   show_root_type(__entry->root_objectid),
 113                   (unsigned long long)__entry->generation,
 114                   (unsigned long)__entry->ino,
 115                   (unsigned long long)__entry->blocks,
 116                   (unsigned long long)__entry->disk_i_size,
 117                   (unsigned long long)__entry->last_trans,
 118                   (unsigned long long)__entry->logged_trans)
 119 );
 120
 121 DEFINE_EVENT(btrfs__inode, btrfs_inode_new,
 122
 123         TP_PROTO(struct inode *inode),
 124
 125         TP_ARGS(inode)
 126 );
 127
 128 DEFINE_EVENT(btrfs__inode, btrfs_inode_request,
 129
 130         TP_PROTO(struct inode *inode),
 131
 132         TP_ARGS(inode)
 133 );
 134
 135 DEFINE_EVENT(btrfs__inode, btrfs_inode_evict,
 136
 137         TP_PROTO(struct inode *inode),
 138
 139         TP_ARGS(inode)
 140 );
 141
 142 #define __show_map_type(type)                                           \
 143         __print_symbolic_u64(type,                                      \
 144                 { EXTENT_MAP_LAST_BYTE, "LAST_BYTE"     },              \
 145                 { EXTENT_MAP_HOLE,      "HOLE"          },              \
 146                 { EXTENT_MAP_INLINE,    "INLINE"        },              \
 147                 { EXTENT_MAP_DELALLOC,  "DELALLOC"      })
 148
 149 #define show_map_type(type)                     \
 150         type, (type >= EXTENT_MAP_LAST_BYTE) ? "-" :  __show_map_type(type)
 151
 152 #define show_map_flags(flag)                                            \
 153         __print_flags(flag, "|",                                        \
 154                 { EXTENT_FLAG_PINNED,           "PINNED"        },      \
 155                 { EXTENT_FLAG_COMPRESSED,       "COMPRESSED"    },      \
 156                 { EXTENT_FLAG_VACANCY,          "VACANCY"       },      \
 157                 { EXTENT_FLAG_PREALLOC,         "PREALLOC"      })
 158
 159 TRACE_EVENT(btrfs_get_extent,
 160
 161         TP_PROTO(struct btrfs_root *root, struct extent_map *map),
 162
 163         TP_ARGS(root, map),
 164
 165         TP_STRUCT__entry(
 166                 __field(        u64,  root_objectid     )
 167                 __field(        u64,  start             )
 168                 __field(        u64,  len               )
 169                 __field(        u64,  orig_start        )
 170                 __field(        u64,  block_start       )
 171                 __field(        u64,  block_len         )
 172                 __field(        unsigned long,  flags   )
 173                 __field(        int,  refs              )
 174                 __field(        unsigned int,  compress_type    )
 175         ),
 176
 177         TP_fast_assign(
 178                 __entry->root_objectid  = root->root_key.objectid;
 179                 __entry->start          = map->start;
 180                 __entry->len            = map->len;
 181                 __entry->orig_start     = map->orig_start;
 182                 __entry->block_start    = map->block_start;
 183                 __entry->block_len      = map->block_len;
 184                 __entry->flags          = map->flags;
 185                 __entry->refs           = atomic_read(&map->refs);
 186                 __entry->compress_type  = map->compress_type;
 187         ),
 188
 189         TP_printk("root = %llu(%s), start = %llu, len = %llu, "
 190                   "orig_start = %llu, block_start = %llu(%s), "
 191                   "block_len = %llu, flags = %s, refs = %u, "
 192                   "compress_type = %u",
 193                   show_root_type(__entry->root_objectid),
 194                   (unsigned long long)__entry->start,
 195                   (unsigned long long)__entry->len,
 196                   (unsigned long long)__entry->orig_start,
 197                   show_map_type(__entry->block_start),
 198                   (unsigned long long)__entry->block_len,
 199                   show_map_flags(__entry->flags),
 200                   __entry->refs, __entry->compress_type)
 201 );
 202
 203 #define show_ordered_flags(flags)                                       \
 204         __print_symbolic(flags,                                 \
 205                 { BTRFS_ORDERED_IO_DONE,        "IO_DONE"       },      \
 206                 { BTRFS_ORDERED_COMPLETE,       "COMPLETE"      },      \
 207                 { BTRFS_ORDERED_NOCOW,          "NOCOW"         },      \
 208                 { BTRFS_ORDERED_COMPRESSED,     "COMPRESSED"    },      \
 209                 { BTRFS_ORDERED_PREALLOC,       "PREALLOC"      },      \
 210                 { BTRFS_ORDERED_DIRECT,         "DIRECT"        })
 211
 212 DECLARE_EVENT_CLASS(btrfs__ordered_extent,
 213
 214         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 215
 216         TP_ARGS(inode, ordered),
 217
 218         TP_STRUCT__entry(
 219                 __field(        ino_t,  ino             )
 220                 __field(        u64,  file_offset       )
 221                 __field(        u64,  start             )
 222                 __field(        u64,  len               )
 223                 __field(        u64,  disk_len          )
 224                 __field(        u64,  bytes_left        )
 225                 __field(        unsigned long,  flags   )
 226                 __field(        int,  compress_type     )
 227                 __field(        int,  refs              )
 228                 __field(        u64,  root_objectid     )
 229         ),
 230
 231         TP_fast_assign(
 232                 __entry->ino            = inode->i_ino;
 233                 __entry->file_offset    = ordered->file_offset;
 234                 __entry->start          = ordered->start;
 235                 __entry->len            = ordered->len;
 236                 __entry->disk_len       = ordered->disk_len;
 237                 __entry->bytes_left     = ordered->bytes_left;
 238                 __entry->flags          = ordered->flags;
 239                 __entry->compress_type  = ordered->compress_type;
 240                 __entry->refs           = atomic_read(&ordered->refs);
 241                 __entry->root_objectid  =
 242                                 BTRFS_I(inode)->root->root_key.objectid;
 243         ),
 244
 245         TP_printk("root = %llu(%s), ino = %llu, file_offset = %llu, "
 246                   "start = %llu, len = %llu, disk_len = %llu, "
 247                   "bytes_left = %llu, flags = %s, compress_type = %d, "
 248                   "refs = %d",
 249                   show_root_type(__entry->root_objectid),
 250                   (unsigned long long)__entry->ino,
 251                   (unsigned long long)__entry->file_offset,
 252                   (unsigned long long)__entry->start,
 253                   (unsigned long long)__entry->len,
 254                   (unsigned long long)__entry->disk_len,
 255                   (unsigned long long)__entry->bytes_left,
 256                   show_ordered_flags(__entry->flags),
 257                   __entry->compress_type, __entry->refs)
 258 );
 259
 260 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_add,
 261
 262         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 263
 264         TP_ARGS(inode, ordered)
 265 );
 266
 267 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_remove,
 268
 269         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 270
 271         TP_ARGS(inode, ordered)
 272 );
 273
 274 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_start,
 275
 276         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 277
 278         TP_ARGS(inode, ordered)
 279 );
 280
 281 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put,
 282
 283         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 284
 285         TP_ARGS(inode, ordered)
 286 );
 287
 288 DECLARE_EVENT_CLASS(btrfs__writepage,
 289
 290         TP_PROTO(struct page *page, struct inode *inode,
 291                  struct writeback_control *wbc),
 292
 293         TP_ARGS(page, inode, wbc),
 294
 295         TP_STRUCT__entry(
 296                 __field(        ino_t,  ino                     )
 297                 __field(        pgoff_t,  index                 )
 298                 __field(        long,   nr_to_write             )
 299                 __field(        long,   pages_skipped           )
 300                 __field(        loff_t, range_start             )
 301                 __field(        loff_t, range_end               )
 302                 __field(        char,   for_kupdate             )
 303                 __field(        char,   for_reclaim             )
 304                 __field(        char,   range_cyclic            )
 305                 __field(        pgoff_t,  writeback_index       )
 306                 __field(        u64,    root_objectid           )
 307         ),
 308
 309         TP_fast_assign(
 310                 __entry->ino            = inode->i_ino;
 311                 __entry->index          = page->index;
 312                 __entry->nr_to_write    = wbc->nr_to_write;
 313                 __entry->pages_skipped  = wbc->pages_skipped;
 314                 __entry->range_start    = wbc->range_start;
 315                 __entry->range_end      = wbc->range_end;
 316                 __entry->for_kupdate    = wbc->for_kupdate;
 317                 __entry->for_reclaim    = wbc->for_reclaim;
 318                 __entry->range_cyclic   = wbc->range_cyclic;
 319                 __entry->writeback_index = inode->i_mapping->writeback_index;
 320                 __entry->root_objectid  =
 321                                  BTRFS_I(inode)->root->root_key.objectid;
 322         ),
 323
 324         TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, "
 325                   "nr_to_write = %ld, pages_skipped = %ld, range_start = %llu, "
 326                   "range_end = %llu, for_kupdate = %d, "
 327                   "for_reclaim = %d, range_cyclic = %d, writeback_index = %lu",
 328                   show_root_type(__entry->root_objectid),
 329                   (unsigned long)__entry->ino, __entry->index,
 330                   __entry->nr_to_write, __entry->pages_skipped,
 331                   __entry->range_start, __entry->range_end,
 332                   __entry->for_kupdate,
 333                   __entry->for_reclaim, __entry->range_cyclic,
 334                   (unsigned long)__entry->writeback_index)
 335 );
 336
 337 DEFINE_EVENT(btrfs__writepage, __extent_writepage,
 338
 339         TP_PROTO(struct page *page, struct inode *inode,
 340                  struct writeback_control *wbc),
 341
 342         TP_ARGS(page, inode, wbc)
 343 );
 344
 345 TRACE_EVENT(btrfs_writepage_end_io_hook,
 346
 347         TP_PROTO(struct page *page, u64 start, u64 end, int uptodate),
 348
 349         TP_ARGS(page, start, end, uptodate),
 350
 351         TP_STRUCT__entry(
 352                 __field(        ino_t,   ino            )
 353                 __field(        pgoff_t, index          )
 354                 __field(        u64,     start          )
 355                 __field(        u64,     end            )
 356                 __field(        int,     uptodate       )
 357                 __field(        u64,    root_objectid   )
 358         ),
 359
 360         TP_fast_assign(
 361                 __entry->ino    = page->mapping->host->i_ino;
 362                 __entry->index  = page->index;
 363                 __entry->start  = start;
 364                 __entry->end    = end;
 365                 __entry->uptodate = uptodate;
 366                 __entry->root_objectid  =
 367                          BTRFS_I(page->mapping->host)->root->root_key.objectid;
 368         ),
 369
 370         TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, start = %llu, "
 371                   "end = %llu, uptodate = %d",
 372                   show_root_type(__entry->root_objectid),
 373                   (unsigned long)__entry->ino, (unsigned long)__entry->index,
 374                   (unsigned long long)__entry->start,
 375                   (unsigned long long)__entry->end, __entry->uptodate)
 376 );
 377
 378 TRACE_EVENT(btrfs_sync_file,
 379
 380         TP_PROTO(struct file *file, int datasync),
 381
 382         TP_ARGS(file, datasync),
 383
 384         TP_STRUCT__entry(
 385                 __field(        ino_t,  ino             )
 386                 __field(        ino_t,  parent          )
 387                 __field(        int,    datasync        )
 388                 __field(        u64,    root_objectid   )
 389         ),
 390
 391         TP_fast_assign(
 392                 struct dentry *dentry = file->f_path.dentry;
 393                 struct inode *inode = dentry->d_inode;
 394
 395                 __entry->ino            = inode->i_ino;
 396                 __entry->parent         = dentry->d_parent->d_inode->i_ino;
 397                 __entry->datasync       = datasync;
 398                 __entry->root_objectid  =
 399                                  BTRFS_I(inode)->root->root_key.objectid;
 400         ),
 401
 402         TP_printk("root = %llu(%s), ino = %ld, parent = %ld, datasync = %d",
 403                   show_root_type(__entry->root_objectid),
 404                   (unsigned long)__entry->ino, (unsigned long)__entry->parent,
 405                   __entry->datasync)
 406 );
 407
 408 TRACE_EVENT(btrfs_sync_fs,
 409
 410         TP_PROTO(int wait),
 411
 412         TP_ARGS(wait),
 413
 414         TP_STRUCT__entry(
 415                 __field(        int,  wait              )
 416         ),
 417
 418         TP_fast_assign(
 419                 __entry->wait   = wait;
 420         ),
 421
 422         TP_printk("wait = %d", __entry->wait)
 423 );
 424
 425 #define show_ref_action(action)                                         \
 426         __print_symbolic(action,                                        \
 427                 { BTRFS_ADD_DELAYED_REF,    "ADD_DELAYED_REF" },        \
 428                 { BTRFS_DROP_DELAYED_REF,   "DROP_DELAYED_REF" },       \
 429                 { BTRFS_ADD_DELAYED_EXTENT, "ADD_DELAYED_EXTENT" },     \
 430                 { BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" })
 431
 432
 433 TRACE_EVENT(btrfs_delayed_tree_ref,
 434
 435         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 436                  struct btrfs_delayed_tree_ref *full_ref,
 437                  int action),
 438
 439         TP_ARGS(ref, full_ref, action),
 440
 441         TP_STRUCT__entry(
 442                 __field(        u64,  bytenr            )
 443                 __field(        u64,  num_bytes         )
 444                 __field(        int,  action            )
 445                 __field(        u64,  parent            )
 446                 __field(        u64,  ref_root          )
 447                 __field(        int,  level             )
 448                 __field(        int,  type              )
 449                 __field(        u64,  seq               )
 450         ),
 451
 452         TP_fast_assign(
 453                 __entry->bytenr         = ref->bytenr;
 454                 __entry->num_bytes      = ref->num_bytes;
 455                 __entry->action         = action;
 456                 __entry->parent         = full_ref->parent;
 457                 __entry->ref_root       = full_ref->root;
 458                 __entry->level          = full_ref->level;
 459                 __entry->type           = ref->type;
 460                 __entry->seq            = ref->seq;
 461         ),
 462
 463         TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
 464                   "parent = %llu(%s), ref_root = %llu(%s), level = %d, "
 465                   "type = %s, seq = %llu",
 466                   (unsigned long long)__entry->bytenr,
 467                   (unsigned long long)__entry->num_bytes,
 468                   show_ref_action(__entry->action),
 469                   show_root_type(__entry->parent),
 470                   show_root_type(__entry->ref_root),
 471                   __entry->level, show_ref_type(__entry->type),
 472                   (unsigned long long)__entry->seq)
 473 );
 474
 475 TRACE_EVENT(btrfs_delayed_data_ref,
 476
 477         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 478                  struct btrfs_delayed_data_ref *full_ref,
 479                  int action),
 480
 481         TP_ARGS(ref, full_ref, action),
 482
 483         TP_STRUCT__entry(
 484                 __field(        u64,  bytenr            )
 485                 __field(        u64,  num_bytes         )
 486                 __field(        int,  action            )
 487                 __field(        u64,  parent            )
 488                 __field(        u64,  ref_root          )
 489                 __field(        u64,  owner             )
 490                 __field(        u64,  offset            )
 491                 __field(        int,  type              )
 492                 __field(        u64,  seq               )
 493         ),
 494
 495         TP_fast_assign(
 496                 __entry->bytenr         = ref->bytenr;
 497                 __entry->num_bytes      = ref->num_bytes;
 498                 __entry->action         = action;
 499                 __entry->parent         = full_ref->parent;
 500                 __entry->ref_root       = full_ref->root;
 501                 __entry->owner          = full_ref->objectid;
 502                 __entry->offset         = full_ref->offset;
 503                 __entry->type           = ref->type;
 504                 __entry->seq            = ref->seq;
 505         ),
 506
 507         TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
 508                   "parent = %llu(%s), ref_root = %llu(%s), owner = %llu, "
 509                   "offset = %llu, type = %s, seq = %llu",
 510                   (unsigned long long)__entry->bytenr,
 511                   (unsigned long long)__entry->num_bytes,
 512                   show_ref_action(__entry->action),
 513                   show_root_type(__entry->parent),
 514                   show_root_type(__entry->ref_root),
 515                   (unsigned long long)__entry->owner,
 516                   (unsigned long long)__entry->offset,
 517                   show_ref_type(__entry->type),
 518                   (unsigned long long)__entry->seq)
 519 );
 520
 521 TRACE_EVENT(btrfs_delayed_ref_head,
 522
 523         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 524                  struct btrfs_delayed_ref_head *head_ref,
 525                  int action),
 526
 527         TP_ARGS(ref, head_ref, action),
 528
 529         TP_STRUCT__entry(
 530                 __field(        u64,  bytenr            )
 531                 __field(        u64,  num_bytes         )
 532                 __field(        int,  action            )
 533                 __field(        int,  is_data           )
 534         ),
 535
 536         TP_fast_assign(
 537                 __entry->bytenr         = ref->bytenr;
 538                 __entry->num_bytes      = ref->num_bytes;
 539                 __entry->action         = action;
 540                 __entry->is_data        = head_ref->is_data;
 541         ),
 542
 543         TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, is_data = %d",
 544                   (unsigned long long)__entry->bytenr,
 545                   (unsigned long long)__entry->num_bytes,
 546                   show_ref_action(__entry->action),
 547                   __entry->is_data)
 548 );
 549
 550 #define show_chunk_type(type)                                   \
 551         __print_flags(type, "|",                                \
 552                 { BTRFS_BLOCK_GROUP_DATA,       "DATA"  },      \
 553                 { BTRFS_BLOCK_GROUP_SYSTEM,     "SYSTEM"},      \
 554                 { BTRFS_BLOCK_GROUP_METADATA,   "METADATA"},    \
 555                 { BTRFS_BLOCK_GROUP_RAID0,      "RAID0" },      \
 556                 { BTRFS_BLOCK_GROUP_RAID1,      "RAID1" },      \
 557                 { BTRFS_BLOCK_GROUP_DUP,        "DUP"   },      \
 558                 { BTRFS_BLOCK_GROUP_RAID10,     "RAID10"})
 559
 560 DECLARE_EVENT_CLASS(btrfs__chunk,
 561
 562         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 563                  u64 offset, u64 size),
 564
 565         TP_ARGS(root, map, offset, size),
 566
 567         TP_STRUCT__entry(
 568                 __field(        int,  num_stripes               )
 569                 __field(        u64,  type                      )
 570                 __field(        int,  sub_stripes               )
 571                 __field(        u64,  offset                    )
 572                 __field(        u64,  size                      )
 573                 __field(        u64,  root_objectid             )
 574         ),
 575
 576         TP_fast_assign(
 577                 __entry->num_stripes    = map->num_stripes;
 578                 __entry->type           = map->type;
 579                 __entry->sub_stripes    = map->sub_stripes;
 580                 __entry->offset         = offset;
 581                 __entry->size           = size;
 582                 __entry->root_objectid  = root->root_key.objectid;
 583         ),
 584
 585         TP_printk("root = %llu(%s), offset = %llu, size = %llu, "
 586                   "num_stripes = %d, sub_stripes = %d, type = %s",
 587                   show_root_type(__entry->root_objectid),
 588                   (unsigned long long)__entry->offset,
 589                   (unsigned long long)__entry->size,
 590                   __entry->num_stripes, __entry->sub_stripes,
 591                   show_chunk_type(__entry->type))
 592 );
 593
 594 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_alloc,
 595
 596         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 597                  u64 offset, u64 size),
 598
 599         TP_ARGS(root, map, offset, size)
 600 );
 601
 602 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_free,
 603
 604         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 605                  u64 offset, u64 size),
 606
 607         TP_ARGS(root, map, offset, size)
 608 );
 609
 610 TRACE_EVENT(btrfs_cow_block,
 611
 612         TP_PROTO(struct btrfs_root *root, struct extent_buffer *buf,
 613                  struct extent_buffer *cow),
 614
 615         TP_ARGS(root, buf, cow),
 616
 617         TP_STRUCT__entry(
 618                 __field(        u64,  root_objectid             )
 619                 __field(        u64,  buf_start                 )
 620                 __field(        int,  refs                      )
 621                 __field(        u64,  cow_start                 )
 622                 __field(        int,  buf_level                 )
 623                 __field(        int,  cow_level                 )
 624         ),
 625
 626         TP_fast_assign(
 627                 __entry->root_objectid  = root->root_key.objectid;
 628                 __entry->buf_start      = buf->start;
 629                 __entry->refs           = atomic_read(&buf->refs);
 630                 __entry->cow_start      = cow->start;
 631                 __entry->buf_level      = btrfs_header_level(buf);
 632                 __entry->cow_level      = btrfs_header_level(cow);
 633         ),
 634
 635         TP_printk("root = %llu(%s), refs = %d, orig_buf = %llu "
 636                   "(orig_level = %d), cow_buf = %llu (cow_level = %d)",
 637                   show_root_type(__entry->root_objectid),
 638                   __entry->refs,
 639                   (unsigned long long)__entry->buf_start,
 640                   __entry->buf_level,
 641                   (unsigned long long)__entry->cow_start,
 642                   __entry->cow_level)
 643 );
 644
 645 TRACE_EVENT(btrfs_space_reservation,
 646
 647         TP_PROTO(struct btrfs_fs_info *fs_info, char *type, u64 val,
 648                  u64 bytes, int reserve),
 649
 650         TP_ARGS(fs_info, type, val, bytes, reserve),
 651
 652         TP_STRUCT__entry(
 653                 __array(        u8,     fsid,   BTRFS_UUID_SIZE )
 654                 __string(       type,   type                    )
 655                 __field(        u64,    val                     )
 656                 __field(        u64,    bytes                   )
 657                 __field(        int,    reserve                 )
 658         ),
 659
 660         TP_fast_assign(
 661                 memcpy(__entry->fsid, fs_info->fsid, BTRFS_UUID_SIZE);
 662                 __assign_str(type, type);
 663                 __entry->val            = val;
 664                 __entry->bytes          = bytes;
 665                 __entry->reserve        = reserve;
 666         ),
 667
 668         TP_printk("%pU: %s: %Lu %s %Lu", __entry->fsid, __get_str(type),
 669                   __entry->val, __entry->reserve ? "reserve" : "release",
 670                   __entry->bytes)
 671 );
 672
 673 DECLARE_EVENT_CLASS(btrfs__reserved_extent,
 674
 675         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 676
 677         TP_ARGS(root, start, len),
 678
 679         TP_STRUCT__entry(
 680                 __field(        u64,  root_objectid             )
 681                 __field(        u64,  start                     )
 682                 __field(        u64,  len                       )
 683         ),
 684
 685         TP_fast_assign(
 686                 __entry->root_objectid  = root->root_key.objectid;
 687                 __entry->start          = start;
 688                 __entry->len            = len;
 689         ),
 690
 691         TP_printk("root = %llu(%s), start = %llu, len = %llu",
 692                   show_root_type(__entry->root_objectid),
 693                   (unsigned long long)__entry->start,
 694                   (unsigned long long)__entry->len)
 695 );
 696
 697 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,
 698
 699         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 700
 701         TP_ARGS(root, start, len)
 702 );
 703
 704 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_free,
 705
 706         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 707
 708         TP_ARGS(root, start, len)
 709 );
 710
 711 TRACE_EVENT(find_free_extent,
 712
 713         TP_PROTO(struct btrfs_root *root, u64 num_bytes, u64 empty_size,
 714                  u64 data),
 715
 716         TP_ARGS(root, num_bytes, empty_size, data),
 717
 718         TP_STRUCT__entry(
 719                 __field(        u64,    root_objectid           )
 720                 __field(        u64,    num_bytes               )
 721                 __field(        u64,    empty_size              )
 722                 __field(        u64,    data                    )
 723         ),
 724
 725         TP_fast_assign(
 726                 __entry->root_objectid  = root->root_key.objectid;
 727                 __entry->num_bytes      = num_bytes;
 728                 __entry->empty_size     = empty_size;
 729                 __entry->data           = data;
 730         ),
 731
 732         TP_printk("root = %Lu(%s), len = %Lu, empty_size = %Lu, "
 733                   "flags = %Lu(%s)", show_root_type(__entry->root_objectid),
 734                   __entry->num_bytes, __entry->empty_size, __entry->data,
 735                   __print_flags((unsigned long)__entry->data, "|",
 736                                  BTRFS_GROUP_FLAGS))
 737 );
 738
 739 DECLARE_EVENT_CLASS(btrfs__reserve_extent,
 740
 741         TP_PROTO(struct btrfs_root *root,
 742                  struct btrfs_block_group_cache *block_group, u64 start,
 743                  u64 len),
 744
 745         TP_ARGS(root, block_group, start, len),
 746
 747         TP_STRUCT__entry(
 748                 __field(        u64,    root_objectid           )
 749                 __field(        u64,    bg_objectid             )
 750                 __field(        u64,    flags                   )
 751                 __field(        u64,    start                   )
 752                 __field(        u64,    len                     )
 753         ),
 754
 755         TP_fast_assign(
 756                 __entry->root_objectid  = root->root_key.objectid;
 757                 __entry->bg_objectid    = block_group->key.objectid;
 758                 __entry->flags          = block_group->flags;
 759                 __entry->start          = start;
 760                 __entry->len            = len;
 761         ),
 762
 763         TP_printk("root = %Lu(%s), block_group = %Lu, flags = %Lu(%s), "
 764                   "start = %Lu, len = %Lu",
 765                   show_root_type(__entry->root_objectid), __entry->bg_objectid,
 766                   __entry->flags, __print_flags((unsigned long)__entry->flags,
 767                                                 "|", BTRFS_GROUP_FLAGS),
 768                   __entry->start, __entry->len)
 769 );
 770
 771 DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,
 772
 773         TP_PROTO(struct btrfs_root *root,
 774                  struct btrfs_block_group_cache *block_group, u64 start,
 775                  u64 len),
 776
 777         TP_ARGS(root, block_group, start, len)
 778 );
 779
 780 DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
 781
 782         TP_PROTO(struct btrfs_root *root,
 783                  struct btrfs_block_group_cache *block_group, u64 start,
 784                  u64 len),
 785
 786         TP_ARGS(root, block_group, start, len)
 787 );
 788
 789 TRACE_EVENT(btrfs_find_cluster,
 790
 791         TP_PROTO(struct btrfs_block_group_cache *block_group, u64 start,
 792                  u64 bytes, u64 empty_size, u64 min_bytes),
 793
 794         TP_ARGS(block_group, start, bytes, empty_size, min_bytes),
 795
 796         TP_STRUCT__entry(
 797                 __field(        u64,    bg_objectid             )
 798                 __field(        u64,    flags                   )
 799                 __field(        u64,    start                   )
 800                 __field(        u64,    bytes                   )
 801                 __field(        u64,    empty_size              )
 802                 __field(        u64,    min_bytes               )
 803         ),
 804
 805         TP_fast_assign(
 806                 __entry->bg_objectid    = block_group->key.objectid;
 807                 __entry->flags          = block_group->flags;
 808                 __entry->start          = start;
 809                 __entry->bytes          = bytes;
 810                 __entry->empty_size     = empty_size;
 811                 __entry->min_bytes      = min_bytes;
 812         ),
 813
 814         TP_printk("block_group = %Lu, flags = %Lu(%s), start = %Lu, len = %Lu,"
 815                   " empty_size = %Lu, min_bytes = %Lu", __entry->bg_objectid,
 816                   __entry->flags,
 817                   __print_flags((unsigned long)__entry->flags, "|",
 818                                 BTRFS_GROUP_FLAGS), __entry->start,
 819                   __entry->bytes, __entry->empty_size,  __entry->min_bytes)
 820 );
 821
 822 TRACE_EVENT(btrfs_failed_cluster_setup,
 823
 824         TP_PROTO(struct btrfs_block_group_cache *block_group),
 825
 826         TP_ARGS(block_group),
 827
 828         TP_STRUCT__entry(
 829                 __field(        u64,    bg_objectid             )
 830         ),
 831
 832         TP_fast_assign(
 833                 __entry->bg_objectid    = block_group->key.objectid;
 834         ),
 835
 836         TP_printk("block_group = %Lu", __entry->bg_objectid)
 837 );
 838
 839 TRACE_EVENT(btrfs_setup_cluster,
 840
 841         TP_PROTO(struct btrfs_block_group_cache *block_group,
 842                  struct btrfs_free_cluster *cluster, u64 size, int bitmap),
 843
 844         TP_ARGS(block_group, cluster, size, bitmap),
 845
 846         TP_STRUCT__entry(
 847                 __field(        u64,    bg_objectid             )
 848                 __field(        u64,    flags                   )
 849                 __field(        u64,    start                   )
 850                 __field(        u64,    max_size                )
 851                 __field(        u64,    size                    )
 852                 __field(        int,    bitmap                  )
 853         ),
 854
 855         TP_fast_assign(
 856                 __entry->bg_objectid    = block_group->key.objectid;
 857                 __entry->flags          = block_group->flags;
 858                 __entry->start          = cluster->window_start;
 859                 __entry->max_size       = cluster->max_size;
 860                 __entry->size           = size;
 861                 __entry->bitmap         = bitmap;
 862         ),
 863
 864         TP_printk("block_group = %Lu, flags = %Lu(%s), window_start = %Lu, "
 865                   "size = %Lu, max_size = %Lu, bitmap = %d",
 866                   __entry->bg_objectid,
 867                   __entry->flags,
 868                   __print_flags((unsigned long)__entry->flags, "|",
 869                                 BTRFS_GROUP_FLAGS), __entry->start,
 870                   __entry->size, __entry->max_size, __entry->bitmap)
 871 );
 872
 873 struct extent_state;
 874 TRACE_EVENT(alloc_extent_state,
 875
 876         TP_PROTO(struct extent_state *state, gfp_t mask, unsigned long IP),
 877
 878         TP_ARGS(state, mask, IP),
 879
 880         TP_STRUCT__entry(
 881                 __field(struct extent_state *, state)
 882                 __field(gfp_t, mask)
 883                 __field(unsigned long, ip)
 884         ),
 885
 886         TP_fast_assign(
 887                 __entry->state  = state,
 888                 __entry->mask   = mask,
 889                 __entry->ip     = IP
 890         ),
 891
 892         TP_printk("state=%p; mask = %s; caller = %pF", __entry->state,
 893                   show_gfp_flags(__entry->mask), (void *)__entry->ip)
 894 );
 895
 896 TRACE_EVENT(free_extent_state,
 897
 898         TP_PROTO(struct extent_state *state, unsigned long IP),
 899
 900         TP_ARGS(state, IP),
 901
 902         TP_STRUCT__entry(
 903                 __field(struct extent_state *, state)
 904                 __field(unsigned long, ip)
 905         ),
 906
 907         TP_fast_assign(
 908                 __entry->state  = state,
 909                 __entry->ip = IP
 910         ),
 911
 912         TP_printk(" state=%p; caller = %pF", __entry->state,
 913                   (void *)__entry->ip)
 914 );
 915
 916 #endif /* _TRACE_BTRFS_H */
 917
 918 /* This part must be outside protection */
 919 #include <trace/define_trace.h>