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_QUOTA_TREE_OBJECTID,    "QUOTA_TREE"    },      \
  44                 { BTRFS_TREE_RELOC_OBJECTID,    "TREE_RELOC"    },      \
  45                 { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })
  46
  47 #define show_root_type(obj)                                             \
  48         obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||                \
  49               (obj >= BTRFS_ROOT_TREE_OBJECTID &&                       \
  50                obj <= BTRFS_QUOTA_TREE_OBJECTID)) ? __show_root_type(obj) : "-"
  51
  52 #define BTRFS_GROUP_FLAGS       \
  53         { BTRFS_BLOCK_GROUP_DATA,       "DATA"},        \
  54         { BTRFS_BLOCK_GROUP_SYSTEM,     "SYSTEM"},      \
  55         { BTRFS_BLOCK_GROUP_METADATA,   "METADATA"},    \
  56         { BTRFS_BLOCK_GROUP_RAID0,      "RAID0"},       \
  57         { BTRFS_BLOCK_GROUP_RAID1,      "RAID1"},       \
  58         { BTRFS_BLOCK_GROUP_DUP,        "DUP"},         \
  59         { BTRFS_BLOCK_GROUP_RAID10,     "RAID10"},      \
  60         { BTRFS_BLOCK_GROUP_RAID5,      "RAID5"},       \
  61         { BTRFS_BLOCK_GROUP_RAID6,      "RAID6"}
  62
  63 #define BTRFS_UUID_SIZE 16
  64
  65 TRACE_EVENT(btrfs_transaction_commit,
  66
  67         TP_PROTO(struct btrfs_root *root),
  68
  69         TP_ARGS(root),
  70
  71         TP_STRUCT__entry(
  72                 __field(        u64,  generation                )
  73                 __field(        u64,  root_objectid             )
  74         ),
  75
  76         TP_fast_assign(
  77                 __entry->generation     = root->fs_info->generation;
  78                 __entry->root_objectid  = root->root_key.objectid;
  79         ),
  80
  81         TP_printk("root = %llu(%s), gen = %llu",
  82                   show_root_type(__entry->root_objectid),
  83                   (unsigned long long)__entry->generation)
  84 );
  85
  86 DECLARE_EVENT_CLASS(btrfs__inode,
  87
  88         TP_PROTO(struct inode *inode),
  89
  90         TP_ARGS(inode),
  91
  92         TP_STRUCT__entry(
  93                 __field(        ino_t,  ino                     )
  94                 __field(        blkcnt_t,  blocks               )
  95                 __field(        u64,  disk_i_size               )
  96                 __field(        u64,  generation                )
  97                 __field(        u64,  last_trans                )
  98                 __field(        u64,  logged_trans              )
  99                 __field(        u64,  root_objectid             )
 100         ),
 101
 102         TP_fast_assign(
 103                 __entry->ino    = inode->i_ino;
 104                 __entry->blocks = inode->i_blocks;
 105                 __entry->disk_i_size  = BTRFS_I(inode)->disk_i_size;
 106                 __entry->generation = BTRFS_I(inode)->generation;
 107                 __entry->last_trans = BTRFS_I(inode)->last_trans;
 108                 __entry->logged_trans = BTRFS_I(inode)->logged_trans;
 109                 __entry->root_objectid =
 110                                 BTRFS_I(inode)->root->root_key.objectid;
 111         ),
 112
 113         TP_printk("root = %llu(%s), gen = %llu, ino = %lu, blocks = %llu, "
 114                   "disk_i_size = %llu, last_trans = %llu, logged_trans = %llu",
 115                   show_root_type(__entry->root_objectid),
 116                   (unsigned long long)__entry->generation,
 117                   (unsigned long)__entry->ino,
 118                   (unsigned long long)__entry->blocks,
 119                   (unsigned long long)__entry->disk_i_size,
 120                   (unsigned long long)__entry->last_trans,
 121                   (unsigned long long)__entry->logged_trans)
 122 );
 123
 124 DEFINE_EVENT(btrfs__inode, btrfs_inode_new,
 125
 126         TP_PROTO(struct inode *inode),
 127
 128         TP_ARGS(inode)
 129 );
 130
 131 DEFINE_EVENT(btrfs__inode, btrfs_inode_request,
 132
 133         TP_PROTO(struct inode *inode),
 134
 135         TP_ARGS(inode)
 136 );
 137
 138 DEFINE_EVENT(btrfs__inode, btrfs_inode_evict,
 139
 140         TP_PROTO(struct inode *inode),
 141
 142         TP_ARGS(inode)
 143 );
 144
 145 #define __show_map_type(type)                                           \
 146         __print_symbolic_u64(type,                                      \
 147                 { EXTENT_MAP_LAST_BYTE, "LAST_BYTE"     },              \
 148                 { EXTENT_MAP_HOLE,      "HOLE"          },              \
 149                 { EXTENT_MAP_INLINE,    "INLINE"        },              \
 150                 { EXTENT_MAP_DELALLOC,  "DELALLOC"      })
 151
 152 #define show_map_type(type)                     \
 153         type, (type >= EXTENT_MAP_LAST_BYTE) ? "-" :  __show_map_type(type)
 154
 155 #define show_map_flags(flag)                                            \
 156         __print_flags(flag, "|",                                        \
 157                 { EXTENT_FLAG_PINNED,           "PINNED"        },      \
 158                 { EXTENT_FLAG_COMPRESSED,       "COMPRESSED"    },      \
 159                 { EXTENT_FLAG_VACANCY,          "VACANCY"       },      \
 160                 { EXTENT_FLAG_PREALLOC,         "PREALLOC"      },      \
 161                 { EXTENT_FLAG_LOGGING,          "LOGGING"       },      \
 162                 { EXTENT_FLAG_FILLING,          "FILLING"       })
 163
 164 TRACE_EVENT(btrfs_get_extent,
 165
 166         TP_PROTO(struct btrfs_root *root, struct extent_map *map),
 167
 168         TP_ARGS(root, map),
 169
 170         TP_STRUCT__entry(
 171                 __field(        u64,  root_objectid     )
 172                 __field(        u64,  start             )
 173                 __field(        u64,  len               )
 174                 __field(        u64,  orig_start        )
 175                 __field(        u64,  block_start       )
 176                 __field(        u64,  block_len         )
 177                 __field(        unsigned long,  flags   )
 178                 __field(        int,  refs              )
 179                 __field(        unsigned int,  compress_type    )
 180         ),
 181
 182         TP_fast_assign(
 183                 __entry->root_objectid  = root->root_key.objectid;
 184                 __entry->start          = map->start;
 185                 __entry->len            = map->len;
 186                 __entry->orig_start     = map->orig_start;
 187                 __entry->block_start    = map->block_start;
 188                 __entry->block_len      = map->block_len;
 189                 __entry->flags          = map->flags;
 190                 __entry->refs           = atomic_read(&map->refs);
 191                 __entry->compress_type  = map->compress_type;
 192         ),
 193
 194         TP_printk("root = %llu(%s), start = %llu, len = %llu, "
 195                   "orig_start = %llu, block_start = %llu(%s), "
 196                   "block_len = %llu, flags = %s, refs = %u, "
 197                   "compress_type = %u",
 198                   show_root_type(__entry->root_objectid),
 199                   (unsigned long long)__entry->start,
 200                   (unsigned long long)__entry->len,
 201                   (unsigned long long)__entry->orig_start,
 202                   show_map_type(__entry->block_start),
 203                   (unsigned long long)__entry->block_len,
 204                   show_map_flags(__entry->flags),
 205                   __entry->refs, __entry->compress_type)
 206 );
 207
 208 #define show_ordered_flags(flags)                                       \
 209         __print_symbolic(flags,                                         \
 210                 { BTRFS_ORDERED_IO_DONE,        "IO_DONE"       },      \
 211                 { BTRFS_ORDERED_COMPLETE,       "COMPLETE"      },      \
 212                 { BTRFS_ORDERED_NOCOW,          "NOCOW"         },      \
 213                 { BTRFS_ORDERED_COMPRESSED,     "COMPRESSED"    },      \
 214                 { BTRFS_ORDERED_PREALLOC,       "PREALLOC"      },      \
 215                 { BTRFS_ORDERED_DIRECT,         "DIRECT"        },      \
 216                 { BTRFS_ORDERED_IOERR,          "IOERR"         },      \
 217                 { BTRFS_ORDERED_UPDATED_ISIZE,  "UPDATED_ISIZE" },      \
 218                 { BTRFS_ORDERED_LOGGED_CSUM,    "LOGGED_CSUM"   })
 219
 220
 221 DECLARE_EVENT_CLASS(btrfs__ordered_extent,
 222
 223         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 224
 225         TP_ARGS(inode, ordered),
 226
 227         TP_STRUCT__entry(
 228                 __field(        ino_t,  ino             )
 229                 __field(        u64,  file_offset       )
 230                 __field(        u64,  start             )
 231                 __field(        u64,  len               )
 232                 __field(        u64,  disk_len          )
 233                 __field(        u64,  bytes_left        )
 234                 __field(        unsigned long,  flags   )
 235                 __field(        int,  compress_type     )
 236                 __field(        int,  refs              )
 237                 __field(        u64,  root_objectid     )
 238         ),
 239
 240         TP_fast_assign(
 241                 __entry->ino            = inode->i_ino;
 242                 __entry->file_offset    = ordered->file_offset;
 243                 __entry->start          = ordered->start;
 244                 __entry->len            = ordered->len;
 245                 __entry->disk_len       = ordered->disk_len;
 246                 __entry->bytes_left     = ordered->bytes_left;
 247                 __entry->flags          = ordered->flags;
 248                 __entry->compress_type  = ordered->compress_type;
 249                 __entry->refs           = atomic_read(&ordered->refs);
 250                 __entry->root_objectid  =
 251                                 BTRFS_I(inode)->root->root_key.objectid;
 252         ),
 253
 254         TP_printk("root = %llu(%s), ino = %llu, file_offset = %llu, "
 255                   "start = %llu, len = %llu, disk_len = %llu, "
 256                   "bytes_left = %llu, flags = %s, compress_type = %d, "
 257                   "refs = %d",
 258                   show_root_type(__entry->root_objectid),
 259                   (unsigned long long)__entry->ino,
 260                   (unsigned long long)__entry->file_offset,
 261                   (unsigned long long)__entry->start,
 262                   (unsigned long long)__entry->len,
 263                   (unsigned long long)__entry->disk_len,
 264                   (unsigned long long)__entry->bytes_left,
 265                   show_ordered_flags(__entry->flags),
 266                   __entry->compress_type, __entry->refs)
 267 );
 268
 269 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_add,
 270
 271         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 272
 273         TP_ARGS(inode, ordered)
 274 );
 275
 276 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_remove,
 277
 278         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 279
 280         TP_ARGS(inode, ordered)
 281 );
 282
 283 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_start,
 284
 285         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 286
 287         TP_ARGS(inode, ordered)
 288 );
 289
 290 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put,
 291
 292         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 293
 294         TP_ARGS(inode, ordered)
 295 );
 296
 297 DECLARE_EVENT_CLASS(btrfs__writepage,
 298
 299         TP_PROTO(struct page *page, struct inode *inode,
 300                  struct writeback_control *wbc),
 301
 302         TP_ARGS(page, inode, wbc),
 303
 304         TP_STRUCT__entry(
 305                 __field(        ino_t,  ino                     )
 306                 __field(        pgoff_t,  index                 )
 307                 __field(        long,   nr_to_write             )
 308                 __field(        long,   pages_skipped           )
 309                 __field(        loff_t, range_start             )
 310                 __field(        loff_t, range_end               )
 311                 __field(        char,   for_kupdate             )
 312                 __field(        char,   for_reclaim             )
 313                 __field(        char,   range_cyclic            )
 314                 __field(        pgoff_t,  writeback_index       )
 315                 __field(        u64,    root_objectid           )
 316         ),
 317
 318         TP_fast_assign(
 319                 __entry->ino            = inode->i_ino;
 320                 __entry->index          = page->index;
 321                 __entry->nr_to_write    = wbc->nr_to_write;
 322                 __entry->pages_skipped  = wbc->pages_skipped;
 323                 __entry->range_start    = wbc->range_start;
 324                 __entry->range_end      = wbc->range_end;
 325                 __entry->for_kupdate    = wbc->for_kupdate;
 326                 __entry->for_reclaim    = wbc->for_reclaim;
 327                 __entry->range_cyclic   = wbc->range_cyclic;
 328                 __entry->writeback_index = inode->i_mapping->writeback_index;
 329                 __entry->root_objectid  =
 330                                  BTRFS_I(inode)->root->root_key.objectid;
 331         ),
 332
 333         TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, "
 334                   "nr_to_write = %ld, pages_skipped = %ld, range_start = %llu, "
 335                   "range_end = %llu, for_kupdate = %d, "
 336                   "for_reclaim = %d, range_cyclic = %d, writeback_index = %lu",
 337                   show_root_type(__entry->root_objectid),
 338                   (unsigned long)__entry->ino, __entry->index,
 339                   __entry->nr_to_write, __entry->pages_skipped,
 340                   __entry->range_start, __entry->range_end,
 341                   __entry->for_kupdate,
 342                   __entry->for_reclaim, __entry->range_cyclic,
 343                   (unsigned long)__entry->writeback_index)
 344 );
 345
 346 DEFINE_EVENT(btrfs__writepage, __extent_writepage,
 347
 348         TP_PROTO(struct page *page, struct inode *inode,
 349                  struct writeback_control *wbc),
 350
 351         TP_ARGS(page, inode, wbc)
 352 );
 353
 354 TRACE_EVENT(btrfs_writepage_end_io_hook,
 355
 356         TP_PROTO(struct page *page, u64 start, u64 end, int uptodate),
 357
 358         TP_ARGS(page, start, end, uptodate),
 359
 360         TP_STRUCT__entry(
 361                 __field(        ino_t,   ino            )
 362                 __field(        pgoff_t, index          )
 363                 __field(        u64,     start          )
 364                 __field(        u64,     end            )
 365                 __field(        int,     uptodate       )
 366                 __field(        u64,    root_objectid   )
 367         ),
 368
 369         TP_fast_assign(
 370                 __entry->ino    = page->mapping->host->i_ino;
 371                 __entry->index  = page->index;
 372                 __entry->start  = start;
 373                 __entry->end    = end;
 374                 __entry->uptodate = uptodate;
 375                 __entry->root_objectid  =
 376                          BTRFS_I(page->mapping->host)->root->root_key.objectid;
 377         ),
 378
 379         TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, start = %llu, "
 380                   "end = %llu, uptodate = %d",
 381                   show_root_type(__entry->root_objectid),
 382                   (unsigned long)__entry->ino, (unsigned long)__entry->index,
 383                   (unsigned long long)__entry->start,
 384                   (unsigned long long)__entry->end, __entry->uptodate)
 385 );
 386
 387 TRACE_EVENT(btrfs_sync_file,
 388
 389         TP_PROTO(struct file *file, int datasync),
 390
 391         TP_ARGS(file, datasync),
 392
 393         TP_STRUCT__entry(
 394                 __field(        ino_t,  ino             )
 395                 __field(        ino_t,  parent          )
 396                 __field(        int,    datasync        )
 397                 __field(        u64,    root_objectid   )
 398         ),
 399
 400         TP_fast_assign(
 401                 struct dentry *dentry = file->f_path.dentry;
 402                 struct inode *inode = dentry->d_inode;
 403
 404                 __entry->ino            = inode->i_ino;
 405                 __entry->parent         = dentry->d_parent->d_inode->i_ino;
 406                 __entry->datasync       = datasync;
 407                 __entry->root_objectid  =
 408                                  BTRFS_I(inode)->root->root_key.objectid;
 409         ),
 410
 411         TP_printk("root = %llu(%s), ino = %ld, parent = %ld, datasync = %d",
 412                   show_root_type(__entry->root_objectid),
 413                   (unsigned long)__entry->ino, (unsigned long)__entry->parent,
 414                   __entry->datasync)
 415 );
 416
 417 TRACE_EVENT(btrfs_sync_fs,
 418
 419         TP_PROTO(int wait),
 420
 421         TP_ARGS(wait),
 422
 423         TP_STRUCT__entry(
 424                 __field(        int,  wait              )
 425         ),
 426
 427         TP_fast_assign(
 428                 __entry->wait   = wait;
 429         ),
 430
 431         TP_printk("wait = %d", __entry->wait)
 432 );
 433
 434 #define show_ref_action(action)                                         \
 435         __print_symbolic(action,                                        \
 436                 { BTRFS_ADD_DELAYED_REF,    "ADD_DELAYED_REF" },        \
 437                 { BTRFS_DROP_DELAYED_REF,   "DROP_DELAYED_REF" },       \
 438                 { BTRFS_ADD_DELAYED_EXTENT, "ADD_DELAYED_EXTENT" },     \
 439                 { BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" })
 440
 441
 442 DECLARE_EVENT_CLASS(btrfs_delayed_tree_ref,
 443
 444         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 445                  struct btrfs_delayed_tree_ref *full_ref,
 446                  int action),
 447
 448         TP_ARGS(ref, full_ref, action),
 449
 450         TP_STRUCT__entry(
 451                 __field(        u64,  bytenr            )
 452                 __field(        u64,  num_bytes         )
 453                 __field(        int,  action            )
 454                 __field(        u64,  parent            )
 455                 __field(        u64,  ref_root          )
 456                 __field(        int,  level             )
 457                 __field(        int,  type              )
 458                 __field(        u64,  seq               )
 459         ),
 460
 461         TP_fast_assign(
 462                 __entry->bytenr         = ref->bytenr;
 463                 __entry->num_bytes      = ref->num_bytes;
 464                 __entry->action         = action;
 465                 __entry->parent         = full_ref->parent;
 466                 __entry->ref_root       = full_ref->root;
 467                 __entry->level          = full_ref->level;
 468                 __entry->type           = ref->type;
 469                 __entry->seq            = ref->seq;
 470         ),
 471
 472         TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
 473                   "parent = %llu(%s), ref_root = %llu(%s), level = %d, "
 474                   "type = %s, seq = %llu",
 475                   (unsigned long long)__entry->bytenr,
 476                   (unsigned long long)__entry->num_bytes,
 477                   show_ref_action(__entry->action),
 478                   show_root_type(__entry->parent),
 479                   show_root_type(__entry->ref_root),
 480                   __entry->level, show_ref_type(__entry->type),
 481                   (unsigned long long)__entry->seq)
 482 );
 483
 484 DEFINE_EVENT(btrfs_delayed_tree_ref,  add_delayed_tree_ref,
 485
 486         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 487                  struct btrfs_delayed_tree_ref *full_ref,
 488                  int action),
 489
 490         TP_ARGS(ref, full_ref, action)
 491 );
 492
 493 DEFINE_EVENT(btrfs_delayed_tree_ref,  run_delayed_tree_ref,
 494
 495         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 496                  struct btrfs_delayed_tree_ref *full_ref,
 497                  int action),
 498
 499         TP_ARGS(ref, full_ref, action)
 500 );
 501
 502 DECLARE_EVENT_CLASS(btrfs_delayed_data_ref,
 503
 504         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 505                  struct btrfs_delayed_data_ref *full_ref,
 506                  int action),
 507
 508         TP_ARGS(ref, full_ref, action),
 509
 510         TP_STRUCT__entry(
 511                 __field(        u64,  bytenr            )
 512                 __field(        u64,  num_bytes         )
 513                 __field(        int,  action            )
 514                 __field(        u64,  parent            )
 515                 __field(        u64,  ref_root          )
 516                 __field(        u64,  owner             )
 517                 __field(        u64,  offset            )
 518                 __field(        int,  type              )
 519                 __field(        u64,  seq               )
 520         ),
 521
 522         TP_fast_assign(
 523                 __entry->bytenr         = ref->bytenr;
 524                 __entry->num_bytes      = ref->num_bytes;
 525                 __entry->action         = action;
 526                 __entry->parent         = full_ref->parent;
 527                 __entry->ref_root       = full_ref->root;
 528                 __entry->owner          = full_ref->objectid;
 529                 __entry->offset         = full_ref->offset;
 530                 __entry->type           = ref->type;
 531                 __entry->seq            = ref->seq;
 532         ),
 533
 534         TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
 535                   "parent = %llu(%s), ref_root = %llu(%s), owner = %llu, "
 536                   "offset = %llu, type = %s, seq = %llu",
 537                   (unsigned long long)__entry->bytenr,
 538                   (unsigned long long)__entry->num_bytes,
 539                   show_ref_action(__entry->action),
 540                   show_root_type(__entry->parent),
 541                   show_root_type(__entry->ref_root),
 542                   (unsigned long long)__entry->owner,
 543                   (unsigned long long)__entry->offset,
 544                   show_ref_type(__entry->type),
 545                   (unsigned long long)__entry->seq)
 546 );
 547
 548 DEFINE_EVENT(btrfs_delayed_data_ref,  add_delayed_data_ref,
 549
 550         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 551                  struct btrfs_delayed_data_ref *full_ref,
 552                  int action),
 553
 554         TP_ARGS(ref, full_ref, action)
 555 );
 556
 557 DEFINE_EVENT(btrfs_delayed_data_ref,  run_delayed_data_ref,
 558
 559         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 560                  struct btrfs_delayed_data_ref *full_ref,
 561                  int action),
 562
 563         TP_ARGS(ref, full_ref, action)
 564 );
 565
 566 DECLARE_EVENT_CLASS(btrfs_delayed_ref_head,
 567
 568         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 569                  struct btrfs_delayed_ref_head *head_ref,
 570                  int action),
 571
 572         TP_ARGS(ref, head_ref, action),
 573
 574         TP_STRUCT__entry(
 575                 __field(        u64,  bytenr            )
 576                 __field(        u64,  num_bytes         )
 577                 __field(        int,  action            )
 578                 __field(        int,  is_data           )
 579         ),
 580
 581         TP_fast_assign(
 582                 __entry->bytenr         = ref->bytenr;
 583                 __entry->num_bytes      = ref->num_bytes;
 584                 __entry->action         = action;
 585                 __entry->is_data        = head_ref->is_data;
 586         ),
 587
 588         TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, is_data = %d",
 589                   (unsigned long long)__entry->bytenr,
 590                   (unsigned long long)__entry->num_bytes,
 591                   show_ref_action(__entry->action),
 592                   __entry->is_data)
 593 );
 594
 595 DEFINE_EVENT(btrfs_delayed_ref_head,  add_delayed_ref_head,
 596
 597         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 598                  struct btrfs_delayed_ref_head *head_ref,
 599                  int action),
 600
 601         TP_ARGS(ref, head_ref, action)
 602 );
 603
 604 DEFINE_EVENT(btrfs_delayed_ref_head,  run_delayed_ref_head,
 605
 606         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 607                  struct btrfs_delayed_ref_head *head_ref,
 608                  int action),
 609
 610         TP_ARGS(ref, head_ref, action)
 611 );
 612
 613 #define show_chunk_type(type)                                   \
 614         __print_flags(type, "|",                                \
 615                 { BTRFS_BLOCK_GROUP_DATA,       "DATA"  },      \
 616                 { BTRFS_BLOCK_GROUP_SYSTEM,     "SYSTEM"},      \
 617                 { BTRFS_BLOCK_GROUP_METADATA,   "METADATA"},    \
 618                 { BTRFS_BLOCK_GROUP_RAID0,      "RAID0" },      \
 619                 { BTRFS_BLOCK_GROUP_RAID1,      "RAID1" },      \
 620                 { BTRFS_BLOCK_GROUP_DUP,        "DUP"   },      \
 621                 { BTRFS_BLOCK_GROUP_RAID10,     "RAID10"},      \
 622                 { BTRFS_BLOCK_GROUP_RAID5,      "RAID5" },      \
 623                 { BTRFS_BLOCK_GROUP_RAID6,      "RAID6" })
 624
 625 DECLARE_EVENT_CLASS(btrfs__chunk,
 626
 627         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 628                  u64 offset, u64 size),
 629
 630         TP_ARGS(root, map, offset, size),
 631
 632         TP_STRUCT__entry(
 633                 __field(        int,  num_stripes               )
 634                 __field(        u64,  type                      )
 635                 __field(        int,  sub_stripes               )
 636                 __field(        u64,  offset                    )
 637                 __field(        u64,  size                      )
 638                 __field(        u64,  root_objectid             )
 639         ),
 640
 641         TP_fast_assign(
 642                 __entry->num_stripes    = map->num_stripes;
 643                 __entry->type           = map->type;
 644                 __entry->sub_stripes    = map->sub_stripes;
 645                 __entry->offset         = offset;
 646                 __entry->size           = size;
 647                 __entry->root_objectid  = root->root_key.objectid;
 648         ),
 649
 650         TP_printk("root = %llu(%s), offset = %llu, size = %llu, "
 651                   "num_stripes = %d, sub_stripes = %d, type = %s",
 652                   show_root_type(__entry->root_objectid),
 653                   (unsigned long long)__entry->offset,
 654                   (unsigned long long)__entry->size,
 655                   __entry->num_stripes, __entry->sub_stripes,
 656                   show_chunk_type(__entry->type))
 657 );
 658
 659 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_alloc,
 660
 661         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 662                  u64 offset, u64 size),
 663
 664         TP_ARGS(root, map, offset, size)
 665 );
 666
 667 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_free,
 668
 669         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 670                  u64 offset, u64 size),
 671
 672         TP_ARGS(root, map, offset, size)
 673 );
 674
 675 TRACE_EVENT(btrfs_cow_block,
 676
 677         TP_PROTO(struct btrfs_root *root, struct extent_buffer *buf,
 678                  struct extent_buffer *cow),
 679
 680         TP_ARGS(root, buf, cow),
 681
 682         TP_STRUCT__entry(
 683                 __field(        u64,  root_objectid             )
 684                 __field(        u64,  buf_start                 )
 685                 __field(        int,  refs                      )
 686                 __field(        u64,  cow_start                 )
 687                 __field(        int,  buf_level                 )
 688                 __field(        int,  cow_level                 )
 689         ),
 690
 691         TP_fast_assign(
 692                 __entry->root_objectid  = root->root_key.objectid;
 693                 __entry->buf_start      = buf->start;
 694                 __entry->refs           = atomic_read(&buf->refs);
 695                 __entry->cow_start      = cow->start;
 696                 __entry->buf_level      = btrfs_header_level(buf);
 697                 __entry->cow_level      = btrfs_header_level(cow);
 698         ),
 699
 700         TP_printk("root = %llu(%s), refs = %d, orig_buf = %llu "
 701                   "(orig_level = %d), cow_buf = %llu (cow_level = %d)",
 702                   show_root_type(__entry->root_objectid),
 703                   __entry->refs,
 704                   (unsigned long long)__entry->buf_start,
 705                   __entry->buf_level,
 706                   (unsigned long long)__entry->cow_start,
 707                   __entry->cow_level)
 708 );
 709
 710 TRACE_EVENT(btrfs_space_reservation,
 711
 712         TP_PROTO(struct btrfs_fs_info *fs_info, char *type, u64 val,
 713                  u64 bytes, int reserve),
 714
 715         TP_ARGS(fs_info, type, val, bytes, reserve),
 716
 717         TP_STRUCT__entry(
 718                 __array(        u8,     fsid,   BTRFS_UUID_SIZE )
 719                 __string(       type,   type                    )
 720                 __field(        u64,    val                     )
 721                 __field(        u64,    bytes                   )
 722                 __field(        int,    reserve                 )
 723         ),
 724
 725         TP_fast_assign(
 726                 memcpy(__entry->fsid, fs_info->fsid, BTRFS_UUID_SIZE);
 727                 __assign_str(type, type);
 728                 __entry->val            = val;
 729                 __entry->bytes          = bytes;
 730                 __entry->reserve        = reserve;
 731         ),
 732
 733         TP_printk("%pU: %s: %Lu %s %Lu", __entry->fsid, __get_str(type),
 734                   __entry->val, __entry->reserve ? "reserve" : "release",
 735                   __entry->bytes)
 736 );
 737
 738 DECLARE_EVENT_CLASS(btrfs__reserved_extent,
 739
 740         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 741
 742         TP_ARGS(root, start, len),
 743
 744         TP_STRUCT__entry(
 745                 __field(        u64,  root_objectid             )
 746                 __field(        u64,  start                     )
 747                 __field(        u64,  len                       )
 748         ),
 749
 750         TP_fast_assign(
 751                 __entry->root_objectid  = root->root_key.objectid;
 752                 __entry->start          = start;
 753                 __entry->len            = len;
 754         ),
 755
 756         TP_printk("root = %llu(%s), start = %llu, len = %llu",
 757                   show_root_type(__entry->root_objectid),
 758                   (unsigned long long)__entry->start,
 759                   (unsigned long long)__entry->len)
 760 );
 761
 762 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,
 763
 764         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 765
 766         TP_ARGS(root, start, len)
 767 );
 768
 769 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_free,
 770
 771         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 772
 773         TP_ARGS(root, start, len)
 774 );
 775
 776 TRACE_EVENT(find_free_extent,
 777
 778         TP_PROTO(struct btrfs_root *root, u64 num_bytes, u64 empty_size,
 779                  u64 data),
 780
 781         TP_ARGS(root, num_bytes, empty_size, data),
 782
 783         TP_STRUCT__entry(
 784                 __field(        u64,    root_objectid           )
 785                 __field(        u64,    num_bytes               )
 786                 __field(        u64,    empty_size              )
 787                 __field(        u64,    data                    )
 788         ),
 789
 790         TP_fast_assign(
 791                 __entry->root_objectid  = root->root_key.objectid;
 792                 __entry->num_bytes      = num_bytes;
 793                 __entry->empty_size     = empty_size;
 794                 __entry->data           = data;
 795         ),
 796
 797         TP_printk("root = %Lu(%s), len = %Lu, empty_size = %Lu, "
 798                   "flags = %Lu(%s)", show_root_type(__entry->root_objectid),
 799                   __entry->num_bytes, __entry->empty_size, __entry->data,
 800                   __print_flags((unsigned long)__entry->data, "|",
 801                                  BTRFS_GROUP_FLAGS))
 802 );
 803
 804 DECLARE_EVENT_CLASS(btrfs__reserve_extent,
 805
 806         TP_PROTO(struct btrfs_root *root,
 807                  struct btrfs_block_group_cache *block_group, u64 start,
 808                  u64 len),
 809
 810         TP_ARGS(root, block_group, start, len),
 811
 812         TP_STRUCT__entry(
 813                 __field(        u64,    root_objectid           )
 814                 __field(        u64,    bg_objectid             )
 815                 __field(        u64,    flags                   )
 816                 __field(        u64,    start                   )
 817                 __field(        u64,    len                     )
 818         ),
 819
 820         TP_fast_assign(
 821                 __entry->root_objectid  = root->root_key.objectid;
 822                 __entry->bg_objectid    = block_group->key.objectid;
 823                 __entry->flags          = block_group->flags;
 824                 __entry->start          = start;
 825                 __entry->len            = len;
 826         ),
 827
 828         TP_printk("root = %Lu(%s), block_group = %Lu, flags = %Lu(%s), "
 829                   "start = %Lu, len = %Lu",
 830                   show_root_type(__entry->root_objectid), __entry->bg_objectid,
 831                   __entry->flags, __print_flags((unsigned long)__entry->flags,
 832                                                 "|", BTRFS_GROUP_FLAGS),
 833                   __entry->start, __entry->len)
 834 );
 835
 836 DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,
 837
 838         TP_PROTO(struct btrfs_root *root,
 839                  struct btrfs_block_group_cache *block_group, u64 start,
 840                  u64 len),
 841
 842         TP_ARGS(root, block_group, start, len)
 843 );
 844
 845 DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
 846
 847         TP_PROTO(struct btrfs_root *root,
 848                  struct btrfs_block_group_cache *block_group, u64 start,
 849                  u64 len),
 850
 851         TP_ARGS(root, block_group, start, len)
 852 );
 853
 854 TRACE_EVENT(btrfs_find_cluster,
 855
 856         TP_PROTO(struct btrfs_block_group_cache *block_group, u64 start,
 857                  u64 bytes, u64 empty_size, u64 min_bytes),
 858
 859         TP_ARGS(block_group, start, bytes, empty_size, min_bytes),
 860
 861         TP_STRUCT__entry(
 862                 __field(        u64,    bg_objectid             )
 863                 __field(        u64,    flags                   )
 864                 __field(        u64,    start                   )
 865                 __field(        u64,    bytes                   )
 866                 __field(        u64,    empty_size              )
 867                 __field(        u64,    min_bytes               )
 868         ),
 869
 870         TP_fast_assign(
 871                 __entry->bg_objectid    = block_group->key.objectid;
 872                 __entry->flags          = block_group->flags;
 873                 __entry->start          = start;
 874                 __entry->bytes          = bytes;
 875                 __entry->empty_size     = empty_size;
 876                 __entry->min_bytes      = min_bytes;
 877         ),
 878
 879         TP_printk("block_group = %Lu, flags = %Lu(%s), start = %Lu, len = %Lu,"
 880                   " empty_size = %Lu, min_bytes = %Lu", __entry->bg_objectid,
 881                   __entry->flags,
 882                   __print_flags((unsigned long)__entry->flags, "|",
 883                                 BTRFS_GROUP_FLAGS), __entry->start,
 884                   __entry->bytes, __entry->empty_size,  __entry->min_bytes)
 885 );
 886
 887 TRACE_EVENT(btrfs_failed_cluster_setup,
 888
 889         TP_PROTO(struct btrfs_block_group_cache *block_group),
 890
 891         TP_ARGS(block_group),
 892
 893         TP_STRUCT__entry(
 894                 __field(        u64,    bg_objectid             )
 895         ),
 896
 897         TP_fast_assign(
 898                 __entry->bg_objectid    = block_group->key.objectid;
 899         ),
 900
 901         TP_printk("block_group = %Lu", __entry->bg_objectid)
 902 );
 903
 904 TRACE_EVENT(btrfs_setup_cluster,
 905
 906         TP_PROTO(struct btrfs_block_group_cache *block_group,
 907                  struct btrfs_free_cluster *cluster, u64 size, int bitmap),
 908
 909         TP_ARGS(block_group, cluster, size, bitmap),
 910
 911         TP_STRUCT__entry(
 912                 __field(        u64,    bg_objectid             )
 913                 __field(        u64,    flags                   )
 914                 __field(        u64,    start                   )
 915                 __field(        u64,    max_size                )
 916                 __field(        u64,    size                    )
 917                 __field(        int,    bitmap                  )
 918         ),
 919
 920         TP_fast_assign(
 921                 __entry->bg_objectid    = block_group->key.objectid;
 922                 __entry->flags          = block_group->flags;
 923                 __entry->start          = cluster->window_start;
 924                 __entry->max_size       = cluster->max_size;
 925                 __entry->size           = size;
 926                 __entry->bitmap         = bitmap;
 927         ),
 928
 929         TP_printk("block_group = %Lu, flags = %Lu(%s), window_start = %Lu, "
 930                   "size = %Lu, max_size = %Lu, bitmap = %d",
 931                   __entry->bg_objectid,
 932                   __entry->flags,
 933                   __print_flags((unsigned long)__entry->flags, "|",
 934                                 BTRFS_GROUP_FLAGS), __entry->start,
 935                   __entry->size, __entry->max_size, __entry->bitmap)
 936 );
 937
 938 struct extent_state;
 939 TRACE_EVENT(alloc_extent_state,
 940
 941         TP_PROTO(struct extent_state *state, gfp_t mask, unsigned long IP),
 942
 943         TP_ARGS(state, mask, IP),
 944
 945         TP_STRUCT__entry(
 946                 __field(struct extent_state *, state)
 947                 __field(gfp_t, mask)
 948                 __field(unsigned long, ip)
 949         ),
 950
 951         TP_fast_assign(
 952                 __entry->state  = state,
 953                 __entry->mask   = mask,
 954                 __entry->ip     = IP
 955         ),
 956
 957         TP_printk("state=%p; mask = %s; caller = %pF", __entry->state,
 958                   show_gfp_flags(__entry->mask), (void *)__entry->ip)
 959 );
 960
 961 TRACE_EVENT(free_extent_state,
 962
 963         TP_PROTO(struct extent_state *state, unsigned long IP),
 964
 965         TP_ARGS(state, IP),
 966
 967         TP_STRUCT__entry(
 968                 __field(struct extent_state *, state)
 969                 __field(unsigned long, ip)
 970         ),
 971
 972         TP_fast_assign(
 973                 __entry->state  = state,
 974                 __entry->ip = IP
 975         ),
 976
 977         TP_printk(" state=%p; caller = %pF", __entry->state,
 978                   (void *)__entry->ip)
 979 );
 980
 981 #endif /* _TRACE_BTRFS_H */
 982
 983 /* This part must be outside protection */
 984 #include <trace/define_trace.h>