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