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
  10 struct btrfs_root;
  11 struct btrfs_fs_info;
  12 struct btrfs_inode;
  13 struct extent_map;
  14 struct btrfs_ordered_extent;
  15 struct btrfs_delayed_ref_node;
  16 struct btrfs_delayed_tree_ref;
  17 struct btrfs_delayed_data_ref;
  18 struct btrfs_delayed_ref_head;
  19 struct map_lookup;
  20 struct extent_buffer;
  21
  22 #define show_ref_type(type)                                             \
  23         __print_symbolic(type,                                          \
  24                 { BTRFS_TREE_BLOCK_REF_KEY,     "TREE_BLOCK_REF" },     \
  25                 { BTRFS_EXTENT_DATA_REF_KEY,    "EXTENT_DATA_REF" },    \
  26                 { BTRFS_EXTENT_REF_V0_KEY,      "EXTENT_REF_V0" },      \
  27                 { BTRFS_SHARED_BLOCK_REF_KEY,   "SHARED_BLOCK_REF" },   \
  28                 { BTRFS_SHARED_DATA_REF_KEY,    "SHARED_DATA_REF" })
  29
  30 #define __show_root_type(obj)                                           \
  31         __print_symbolic_u64(obj,                                       \
  32                 { BTRFS_ROOT_TREE_OBJECTID,     "ROOT_TREE"     },      \
  33                 { BTRFS_EXTENT_TREE_OBJECTID,   "EXTENT_TREE"   },      \
  34                 { BTRFS_CHUNK_TREE_OBJECTID,    "CHUNK_TREE"    },      \
  35                 { BTRFS_DEV_TREE_OBJECTID,      "DEV_TREE"      },      \
  36                 { BTRFS_FS_TREE_OBJECTID,       "FS_TREE"       },      \
  37                 { BTRFS_ROOT_TREE_DIR_OBJECTID, "ROOT_TREE_DIR" },      \
  38                 { BTRFS_CSUM_TREE_OBJECTID,     "CSUM_TREE"     },      \
  39                 { BTRFS_TREE_LOG_OBJECTID,      "TREE_LOG"      },      \
  40                 { BTRFS_TREE_RELOC_OBJECTID,    "TREE_RELOC"    },      \
  41                 { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })
  42
  43 #define show_root_type(obj)                                             \
  44         obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||                \
  45               (obj <= BTRFS_CSUM_TREE_OBJECTID )) ? __show_root_type(obj) : "-"
  46
  47 TRACE_EVENT(btrfs_transaction_commit,
  48
  49         TP_PROTO(struct btrfs_root *root),
  50
  51         TP_ARGS(root),
  52
  53         TP_STRUCT__entry(
  54                 __field(        u64,  generation                )
  55                 __field(        u64,  root_objectid             )
  56         ),
  57
  58         TP_fast_assign(
  59                 __entry->generation     = root->fs_info->generation;
  60                 __entry->root_objectid  = root->root_key.objectid;
  61         ),
  62
  63         TP_printk("root = %llu(%s), gen = %llu",
  64                   show_root_type(__entry->root_objectid),
  65                   (unsigned long long)__entry->generation)
  66 );
  67
  68 DECLARE_EVENT_CLASS(btrfs__inode,
  69
  70         TP_PROTO(struct inode *inode),
  71
  72         TP_ARGS(inode),
  73
  74         TP_STRUCT__entry(
  75                 __field(        ino_t,  ino                     )
  76                 __field(        blkcnt_t,  blocks               )
  77                 __field(        u64,  disk_i_size               )
  78                 __field(        u64,  generation                )
  79                 __field(        u64,  last_trans                )
  80                 __field(        u64,  logged_trans              )
  81                 __field(        u64,  root_objectid             )
  82         ),
  83
  84         TP_fast_assign(
  85                 __entry->ino    = inode->i_ino;
  86                 __entry->blocks = inode->i_blocks;
  87                 __entry->disk_i_size  = BTRFS_I(inode)->disk_i_size;
  88                 __entry->generation = BTRFS_I(inode)->generation;
  89                 __entry->last_trans = BTRFS_I(inode)->last_trans;
  90                 __entry->logged_trans = BTRFS_I(inode)->logged_trans;
  91                 __entry->root_objectid =
  92                                 BTRFS_I(inode)->root->root_key.objectid;
  93         ),
  94
  95         TP_printk("root = %llu(%s), gen = %llu, ino = %lu, blocks = %llu, "
  96                   "disk_i_size = %llu, last_trans = %llu, logged_trans = %llu",
  97                   show_root_type(__entry->root_objectid),
  98                   (unsigned long long)__entry->generation,
  99                   (unsigned long)__entry->ino,
 100                   (unsigned long long)__entry->blocks,
 101                   (unsigned long long)__entry->disk_i_size,
 102                   (unsigned long long)__entry->last_trans,
 103                   (unsigned long long)__entry->logged_trans)
 104 );
 105
 106 DEFINE_EVENT(btrfs__inode, btrfs_inode_new,
 107
 108         TP_PROTO(struct inode *inode),
 109
 110         TP_ARGS(inode)
 111 );
 112
 113 DEFINE_EVENT(btrfs__inode, btrfs_inode_request,
 114
 115         TP_PROTO(struct inode *inode),
 116
 117         TP_ARGS(inode)
 118 );
 119
 120 DEFINE_EVENT(btrfs__inode, btrfs_inode_evict,
 121
 122         TP_PROTO(struct inode *inode),
 123
 124         TP_ARGS(inode)
 125 );
 126
 127 #define __show_map_type(type)                                           \
 128         __print_symbolic_u64(type,                                      \
 129                 { EXTENT_MAP_LAST_BYTE, "LAST_BYTE"     },              \
 130                 { EXTENT_MAP_HOLE,      "HOLE"          },              \
 131                 { EXTENT_MAP_INLINE,    "INLINE"        },              \
 132                 { EXTENT_MAP_DELALLOC,  "DELALLOC"      })
 133
 134 #define show_map_type(type)                     \
 135         type, (type >= EXTENT_MAP_LAST_BYTE) ? "-" :  __show_map_type(type)
 136
 137 #define show_map_flags(flag)                                            \
 138         __print_flags(flag, "|",                                        \
 139                 { EXTENT_FLAG_PINNED,           "PINNED"        },      \
 140                 { EXTENT_FLAG_COMPRESSED,       "COMPRESSED"    },      \
 141                 { EXTENT_FLAG_VACANCY,          "VACANCY"       },      \
 142                 { EXTENT_FLAG_PREALLOC,         "PREALLOC"      })
 143
 144 TRACE_EVENT(btrfs_get_extent,
 145
 146         TP_PROTO(struct btrfs_root *root, struct extent_map *map),
 147
 148         TP_ARGS(root, map),
 149
 150         TP_STRUCT__entry(
 151                 __field(        u64,  root_objectid     )
 152                 __field(        u64,  start             )
 153                 __field(        u64,  len               )
 154                 __field(        u64,  orig_start        )
 155                 __field(        u64,  block_start       )
 156                 __field(        u64,  block_len         )
 157                 __field(        unsigned long,  flags   )
 158                 __field(        int,  refs              )
 159                 __field(        unsigned int,  compress_type    )
 160         ),
 161
 162         TP_fast_assign(
 163                 __entry->root_objectid  = root->root_key.objectid;
 164                 __entry->start          = map->start;
 165                 __entry->len            = map->len;
 166                 __entry->orig_start     = map->orig_start;
 167                 __entry->block_start    = map->block_start;
 168                 __entry->block_len      = map->block_len;
 169                 __entry->flags          = map->flags;
 170                 __entry->refs           = atomic_read(&map->refs);
 171                 __entry->compress_type  = map->compress_type;
 172         ),
 173
 174         TP_printk("root = %llu(%s), start = %llu, len = %llu, "
 175                   "orig_start = %llu, block_start = %llu(%s), "
 176                   "block_len = %llu, flags = %s, refs = %u, "
 177                   "compress_type = %u",
 178                   show_root_type(__entry->root_objectid),
 179                   (unsigned long long)__entry->start,
 180                   (unsigned long long)__entry->len,
 181                   (unsigned long long)__entry->orig_start,
 182                   show_map_type(__entry->block_start),
 183                   (unsigned long long)__entry->block_len,
 184                   show_map_flags(__entry->flags),
 185                   __entry->refs, __entry->compress_type)
 186 );
 187
 188 #define show_ordered_flags(flags)                                       \
 189         __print_symbolic(flags,                                 \
 190                 { BTRFS_ORDERED_IO_DONE,        "IO_DONE"       },      \
 191                 { BTRFS_ORDERED_COMPLETE,       "COMPLETE"      },      \
 192                 { BTRFS_ORDERED_NOCOW,          "NOCOW"         },      \
 193                 { BTRFS_ORDERED_COMPRESSED,     "COMPRESSED"    },      \
 194                 { BTRFS_ORDERED_PREALLOC,       "PREALLOC"      },      \
 195                 { BTRFS_ORDERED_DIRECT,         "DIRECT"        })
 196
 197 DECLARE_EVENT_CLASS(btrfs__ordered_extent,
 198
 199         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 200
 201         TP_ARGS(inode, ordered),
 202
 203         TP_STRUCT__entry(
 204                 __field(        ino_t,  ino             )
 205                 __field(        u64,  file_offset       )
 206                 __field(        u64,  start             )
 207                 __field(        u64,  len               )
 208                 __field(        u64,  disk_len          )
 209                 __field(        u64,  bytes_left        )
 210                 __field(        unsigned long,  flags   )
 211                 __field(        int,  compress_type     )
 212                 __field(        int,  refs              )
 213                 __field(        u64,  root_objectid     )
 214         ),
 215
 216         TP_fast_assign(
 217                 __entry->ino            = inode->i_ino;
 218                 __entry->file_offset    = ordered->file_offset;
 219                 __entry->start          = ordered->start;
 220                 __entry->len            = ordered->len;
 221                 __entry->disk_len       = ordered->disk_len;
 222                 __entry->bytes_left     = ordered->bytes_left;
 223                 __entry->flags          = ordered->flags;
 224                 __entry->compress_type  = ordered->compress_type;
 225                 __entry->refs           = atomic_read(&ordered->refs);
 226                 __entry->root_objectid  =
 227                                 BTRFS_I(inode)->root->root_key.objectid;
 228         ),
 229
 230         TP_printk("root = %llu(%s), ino = %llu, file_offset = %llu, "
 231                   "start = %llu, len = %llu, disk_len = %llu, "
 232                   "bytes_left = %llu, flags = %s, compress_type = %d, "
 233                   "refs = %d",
 234                   show_root_type(__entry->root_objectid),
 235                   (unsigned long long)__entry->ino,
 236                   (unsigned long long)__entry->file_offset,
 237                   (unsigned long long)__entry->start,
 238                   (unsigned long long)__entry->len,
 239                   (unsigned long long)__entry->disk_len,
 240                   (unsigned long long)__entry->bytes_left,
 241                   show_ordered_flags(__entry->flags),
 242                   __entry->compress_type, __entry->refs)
 243 );
 244
 245 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_add,
 246
 247         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 248
 249         TP_ARGS(inode, ordered)
 250 );
 251
 252 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_remove,
 253
 254         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 255
 256         TP_ARGS(inode, ordered)
 257 );
 258
 259 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_start,
 260
 261         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 262
 263         TP_ARGS(inode, ordered)
 264 );
 265
 266 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put,
 267
 268         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 269
 270         TP_ARGS(inode, ordered)
 271 );
 272
 273 DECLARE_EVENT_CLASS(btrfs__writepage,
 274
 275         TP_PROTO(struct page *page, struct inode *inode,
 276                  struct writeback_control *wbc),
 277
 278         TP_ARGS(page, inode, wbc),
 279
 280         TP_STRUCT__entry(
 281                 __field(        ino_t,  ino                     )
 282                 __field(        pgoff_t,  index                 )
 283                 __field(        long,   nr_to_write             )
 284                 __field(        long,   pages_skipped           )
 285                 __field(        loff_t, range_start             )
 286                 __field(        loff_t, range_end               )
 287                 __field(        char,   for_kupdate             )
 288                 __field(        char,   for_reclaim             )
 289                 __field(        char,   range_cyclic            )
 290                 __field(        pgoff_t,  writeback_index       )
 291                 __field(        u64,    root_objectid           )
 292         ),
 293
 294         TP_fast_assign(
 295                 __entry->ino            = inode->i_ino;
 296                 __entry->index          = page->index;
 297                 __entry->nr_to_write    = wbc->nr_to_write;
 298                 __entry->pages_skipped  = wbc->pages_skipped;
 299                 __entry->range_start    = wbc->range_start;
 300                 __entry->range_end      = wbc->range_end;
 301                 __entry->for_kupdate    = wbc->for_kupdate;
 302                 __entry->for_reclaim    = wbc->for_reclaim;
 303                 __entry->range_cyclic   = wbc->range_cyclic;
 304                 __entry->writeback_index = inode->i_mapping->writeback_index;
 305                 __entry->root_objectid  =
 306                                  BTRFS_I(inode)->root->root_key.objectid;
 307         ),
 308
 309         TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, "
 310                   "nr_to_write = %ld, pages_skipped = %ld, range_start = %llu, "
 311                   "range_end = %llu, for_kupdate = %d, "
 312                   "for_reclaim = %d, range_cyclic = %d, writeback_index = %lu",
 313                   show_root_type(__entry->root_objectid),
 314                   (unsigned long)__entry->ino, __entry->index,
 315                   __entry->nr_to_write, __entry->pages_skipped,
 316                   __entry->range_start, __entry->range_end,
 317                   __entry->for_kupdate,
 318                   __entry->for_reclaim, __entry->range_cyclic,
 319                   (unsigned long)__entry->writeback_index)
 320 );
 321
 322 DEFINE_EVENT(btrfs__writepage, __extent_writepage,
 323
 324         TP_PROTO(struct page *page, struct inode *inode,
 325                  struct writeback_control *wbc),
 326
 327         TP_ARGS(page, inode, wbc)
 328 );
 329
 330 TRACE_EVENT(btrfs_writepage_end_io_hook,
 331
 332         TP_PROTO(struct page *page, u64 start, u64 end, int uptodate),
 333
 334         TP_ARGS(page, start, end, uptodate),
 335
 336         TP_STRUCT__entry(
 337                 __field(        ino_t,   ino            )
 338                 __field(        pgoff_t, index          )
 339                 __field(        u64,     start          )
 340                 __field(        u64,     end            )
 341                 __field(        int,     uptodate       )
 342                 __field(        u64,    root_objectid   )
 343         ),
 344
 345         TP_fast_assign(
 346                 __entry->ino    = page->mapping->host->i_ino;
 347                 __entry->index  = page->index;
 348                 __entry->start  = start;
 349                 __entry->end    = end;
 350                 __entry->uptodate = uptodate;
 351                 __entry->root_objectid  =
 352                          BTRFS_I(page->mapping->host)->root->root_key.objectid;
 353         ),
 354
 355         TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, start = %llu, "
 356                   "end = %llu, uptodate = %d",
 357                   show_root_type(__entry->root_objectid),
 358                   (unsigned long)__entry->ino, (unsigned long)__entry->index,
 359                   (unsigned long long)__entry->start,
 360                   (unsigned long long)__entry->end, __entry->uptodate)
 361 );
 362
 363 TRACE_EVENT(btrfs_sync_file,
 364
 365         TP_PROTO(struct file *file, int datasync),
 366
 367         TP_ARGS(file, datasync),
 368
 369         TP_STRUCT__entry(
 370                 __field(        ino_t,  ino             )
 371                 __field(        ino_t,  parent          )
 372                 __field(        int,    datasync        )
 373                 __field(        u64,    root_objectid   )
 374         ),
 375
 376         TP_fast_assign(
 377                 struct dentry *dentry = file->f_path.dentry;
 378                 struct inode *inode = dentry->d_inode;
 379
 380                 __entry->ino            = inode->i_ino;
 381                 __entry->parent         = dentry->d_parent->d_inode->i_ino;
 382                 __entry->datasync       = datasync;
 383                 __entry->root_objectid  =
 384                                  BTRFS_I(inode)->root->root_key.objectid;
 385         ),
 386
 387         TP_printk("root = %llu(%s), ino = %ld, parent = %ld, datasync = %d",
 388                   show_root_type(__entry->root_objectid),
 389                   (unsigned long)__entry->ino, (unsigned long)__entry->parent,
 390                   __entry->datasync)
 391 );
 392
 393 TRACE_EVENT(btrfs_sync_fs,
 394
 395         TP_PROTO(int wait),
 396
 397         TP_ARGS(wait),
 398
 399         TP_STRUCT__entry(
 400                 __field(        int,  wait              )
 401         ),
 402
 403         TP_fast_assign(
 404                 __entry->wait   = wait;
 405         ),
 406
 407         TP_printk("wait = %d", __entry->wait)
 408 );
 409
 410 #define show_ref_action(action)                                         \
 411         __print_symbolic(action,                                        \
 412                 { BTRFS_ADD_DELAYED_REF,    "ADD_DELAYED_REF" },        \
 413                 { BTRFS_DROP_DELAYED_REF,   "DROP_DELAYED_REF" },       \
 414                 { BTRFS_ADD_DELAYED_EXTENT, "ADD_DELAYED_EXTENT" },     \
 415                 { BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" })
 416
 417
 418 TRACE_EVENT(btrfs_delayed_tree_ref,
 419
 420         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 421                  struct btrfs_delayed_tree_ref *full_ref,
 422                  int action),
 423
 424         TP_ARGS(ref, full_ref, action),
 425
 426         TP_STRUCT__entry(
 427                 __field(        u64,  bytenr            )
 428                 __field(        u64,  num_bytes         )
 429                 __field(        int,  action            )
 430                 __field(        u64,  parent            )
 431                 __field(        u64,  ref_root          )
 432                 __field(        int,  level             )
 433                 __field(        int,  type              )
 434         ),
 435
 436         TP_fast_assign(
 437                 __entry->bytenr         = ref->bytenr;
 438                 __entry->num_bytes      = ref->num_bytes;
 439                 __entry->action         = action;
 440                 __entry->parent         = full_ref->parent;
 441                 __entry->ref_root       = full_ref->root;
 442                 __entry->level          = full_ref->level;
 443                 __entry->type           = ref->type;
 444         ),
 445
 446         TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
 447                   "parent = %llu(%s), ref_root = %llu(%s), level = %d, "
 448                   "type = %s",
 449                   (unsigned long long)__entry->bytenr,
 450                   (unsigned long long)__entry->num_bytes,
 451                   show_ref_action(__entry->action),
 452                   show_root_type(__entry->parent),
 453                   show_root_type(__entry->ref_root),
 454                   __entry->level, show_ref_type(__entry->type))
 455 );
 456
 457 TRACE_EVENT(btrfs_delayed_data_ref,
 458
 459         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 460                  struct btrfs_delayed_data_ref *full_ref,
 461                  int action),
 462
 463         TP_ARGS(ref, full_ref, action),
 464
 465         TP_STRUCT__entry(
 466                 __field(        u64,  bytenr            )
 467                 __field(        u64,  num_bytes         )
 468                 __field(        int,  action            )
 469                 __field(        u64,  parent            )
 470                 __field(        u64,  ref_root          )
 471                 __field(        u64,  owner             )
 472                 __field(        u64,  offset            )
 473                 __field(        int,  type              )
 474         ),
 475
 476         TP_fast_assign(
 477                 __entry->bytenr         = ref->bytenr;
 478                 __entry->num_bytes      = ref->num_bytes;
 479                 __entry->action         = action;
 480                 __entry->parent         = full_ref->parent;
 481                 __entry->ref_root       = full_ref->root;
 482                 __entry->owner          = full_ref->objectid;
 483                 __entry->offset         = full_ref->offset;
 484                 __entry->type           = ref->type;
 485         ),
 486
 487         TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
 488                   "parent = %llu(%s), ref_root = %llu(%s), owner = %llu, "
 489                   "offset = %llu, type = %s",
 490                   (unsigned long long)__entry->bytenr,
 491                   (unsigned long long)__entry->num_bytes,
 492                   show_ref_action(__entry->action),
 493                   show_root_type(__entry->parent),
 494                   show_root_type(__entry->ref_root),
 495                   (unsigned long long)__entry->owner,
 496                   (unsigned long long)__entry->offset,
 497                   show_ref_type(__entry->type))
 498 );
 499
 500 TRACE_EVENT(btrfs_delayed_ref_head,
 501
 502         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 503                  struct btrfs_delayed_ref_head *head_ref,
 504                  int action),
 505
 506         TP_ARGS(ref, head_ref, action),
 507
 508         TP_STRUCT__entry(
 509                 __field(        u64,  bytenr            )
 510                 __field(        u64,  num_bytes         )
 511                 __field(        int,  action            )
 512                 __field(        int,  is_data           )
 513         ),
 514
 515         TP_fast_assign(
 516                 __entry->bytenr         = ref->bytenr;
 517                 __entry->num_bytes      = ref->num_bytes;
 518                 __entry->action         = action;
 519                 __entry->is_data        = head_ref->is_data;
 520         ),
 521
 522         TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, is_data = %d",
 523                   (unsigned long long)__entry->bytenr,
 524                   (unsigned long long)__entry->num_bytes,
 525                   show_ref_action(__entry->action),
 526                   __entry->is_data)
 527 );
 528
 529 #define show_chunk_type(type)                                   \
 530         __print_flags(type, "|",                                \
 531                 { BTRFS_BLOCK_GROUP_DATA,       "DATA"  },      \
 532                 { BTRFS_BLOCK_GROUP_SYSTEM,     "SYSTEM"},      \
 533                 { BTRFS_BLOCK_GROUP_METADATA,   "METADATA"},    \
 534                 { BTRFS_BLOCK_GROUP_RAID0,      "RAID0" },      \
 535                 { BTRFS_BLOCK_GROUP_RAID1,      "RAID1" },      \
 536                 { BTRFS_BLOCK_GROUP_DUP,        "DUP"   },      \
 537                 { BTRFS_BLOCK_GROUP_RAID10,     "RAID10"})
 538
 539 DECLARE_EVENT_CLASS(btrfs__chunk,
 540
 541         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 542                  u64 offset, u64 size),
 543
 544         TP_ARGS(root, map, offset, size),
 545
 546         TP_STRUCT__entry(
 547                 __field(        int,  num_stripes               )
 548                 __field(        u64,  type                      )
 549                 __field(        int,  sub_stripes               )
 550                 __field(        u64,  offset                    )
 551                 __field(        u64,  size                      )
 552                 __field(        u64,  root_objectid             )
 553         ),
 554
 555         TP_fast_assign(
 556                 __entry->num_stripes    = map->num_stripes;
 557                 __entry->type           = map->type;
 558                 __entry->sub_stripes    = map->sub_stripes;
 559                 __entry->offset         = offset;
 560                 __entry->size           = size;
 561                 __entry->root_objectid  = root->root_key.objectid;
 562         ),
 563
 564         TP_printk("root = %llu(%s), offset = %llu, size = %llu, "
 565                   "num_stripes = %d, sub_stripes = %d, type = %s",
 566                   show_root_type(__entry->root_objectid),
 567                   (unsigned long long)__entry->offset,
 568                   (unsigned long long)__entry->size,
 569                   __entry->num_stripes, __entry->sub_stripes,
 570                   show_chunk_type(__entry->type))
 571 );
 572
 573 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_alloc,
 574
 575         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 576                  u64 offset, u64 size),
 577
 578         TP_ARGS(root, map, offset, size)
 579 );
 580
 581 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_free,
 582
 583         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 584                  u64 offset, u64 size),
 585
 586         TP_ARGS(root, map, offset, size)
 587 );
 588
 589 TRACE_EVENT(btrfs_cow_block,
 590
 591         TP_PROTO(struct btrfs_root *root, struct extent_buffer *buf,
 592                  struct extent_buffer *cow),
 593
 594         TP_ARGS(root, buf, cow),
 595
 596         TP_STRUCT__entry(
 597                 __field(        u64,  root_objectid             )
 598                 __field(        u64,  buf_start                 )
 599                 __field(        int,  refs                      )
 600                 __field(        u64,  cow_start                 )
 601                 __field(        int,  buf_level                 )
 602                 __field(        int,  cow_level                 )
 603         ),
 604
 605         TP_fast_assign(
 606                 __entry->root_objectid  = root->root_key.objectid;
 607                 __entry->buf_start      = buf->start;
 608                 __entry->refs           = atomic_read(&buf->refs);
 609                 __entry->cow_start      = cow->start;
 610                 __entry->buf_level      = btrfs_header_level(buf);
 611                 __entry->cow_level      = btrfs_header_level(cow);
 612         ),
 613
 614         TP_printk("root = %llu(%s), refs = %d, orig_buf = %llu "
 615                   "(orig_level = %d), cow_buf = %llu (cow_level = %d)",
 616                   show_root_type(__entry->root_objectid),
 617                   __entry->refs,
 618                   (unsigned long long)__entry->buf_start,
 619                   __entry->buf_level,
 620                   (unsigned long long)__entry->cow_start,
 621                   __entry->cow_level)
 622 );
 623
 624 DECLARE_EVENT_CLASS(btrfs__reserved_extent,
 625
 626         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 627
 628         TP_ARGS(root, start, len),
 629
 630         TP_STRUCT__entry(
 631                 __field(        u64,  root_objectid             )
 632                 __field(        u64,  start                     )
 633                 __field(        u64,  len                       )
 634         ),
 635
 636         TP_fast_assign(
 637                 __entry->root_objectid  = root->root_key.objectid;
 638                 __entry->start          = start;
 639                 __entry->len            = len;
 640         ),
 641
 642         TP_printk("root = %llu(%s), start = %llu, len = %llu",
 643                   show_root_type(__entry->root_objectid),
 644                   (unsigned long long)__entry->start,
 645                   (unsigned long long)__entry->len)
 646 );
 647
 648 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,
 649
 650         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 651
 652         TP_ARGS(root, start, len)
 653 );
 654
 655 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_free,
 656
 657         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 658
 659         TP_ARGS(root, start, len)
 660 );
 661
 662 #endif /* _TRACE_BTRFS_H */
 663
 664 /* This part must be outside protection */
 665 #include <trace/define_trace.h>