instrumentation/events/lttng-module/btrfs.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM btrfs
   3
   4 #if !defined(LTTNG_TRACE_BTRFS_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define LTTNG_TRACE_BTRFS_H
   6
   7 #include <probes/lttng-tracepoint-event.h>
   8 #include <linux/writeback.h>
   9 #include <linux/version.h>
  10
  11 #ifndef _TRACE_BTRFS_DEF_
  12 #define _TRACE_BTRFS_DEF_
  13 struct btrfs_root;
  14 struct btrfs_fs_info;
  15 struct btrfs_inode;
  16 struct extent_map;
  17 struct btrfs_ordered_extent;
  18 struct btrfs_delayed_ref_node;
  19 struct btrfs_delayed_tree_ref;
  20 struct btrfs_delayed_data_ref;
  21 struct btrfs_delayed_ref_head;
  22 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
  23 struct btrfs_block_group_cache;
  24 struct btrfs_free_cluster;
  25 #endif
  26 struct map_lookup;
  27 struct extent_buffer;
  28 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
  29 struct extent_state;
  30 #endif
  31 #endif
  32
  33 #define BTRFS_UUID_SIZE 16
  34
  35 LTTNG_TRACEPOINT_EVENT(btrfs_transaction_commit,
  36
  37         TP_PROTO(struct btrfs_root *root),
  38
  39         TP_ARGS(root),
  40
  41         TP_FIELDS(
  42                 ctf_integer(u64, generation, root->fs_info->generation)
  43                 ctf_integer(u64, root_objectid, root->root_key.objectid)
  44         )
  45 )
  46
  47 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__inode,
  48
  49         TP_PROTO(struct inode *inode),
  50
  51         TP_ARGS(inode),
  52
  53         TP_FIELDS(
  54                 ctf_integer(ino_t, ino, inode->i_ino)
  55                 ctf_integer(blkcnt_t, blocks, inode->i_blocks)
  56                 ctf_integer(u64, disk_i_size, BTRFS_I(inode)->disk_i_size)
  57                 ctf_integer(u64, generation, BTRFS_I(inode)->generation)
  58                 ctf_integer(u64, last_trans, BTRFS_I(inode)->last_trans)
  59                 ctf_integer(u64, logged_trans, BTRFS_I(inode)->logged_trans)
  60                 ctf_integer(u64, root_objectid,
  61                                 BTRFS_I(inode)->root->root_key.objectid)
  62         )
  63 )
  64
  65 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__inode, btrfs_inode_new,
  66
  67         TP_PROTO(struct inode *inode),
  68
  69         TP_ARGS(inode)
  70 )
  71
  72 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__inode, btrfs_inode_request,
  73
  74         TP_PROTO(struct inode *inode),
  75
  76         TP_ARGS(inode)
  77 )
  78
  79 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__inode, btrfs_inode_evict,
  80
  81         TP_PROTO(struct inode *inode),
  82
  83         TP_ARGS(inode)
  84 )
  85
  86 LTTNG_TRACEPOINT_EVENT(btrfs_get_extent,
  87
  88         TP_PROTO(struct btrfs_root *root, struct extent_map *map),
  89
  90         TP_ARGS(root, map),
  91
  92         TP_FIELDS(
  93                 ctf_integer(u64, root_objectid, root->root_key.objectid)
  94                 ctf_integer(u64, start, map->start)
  95                 ctf_integer(u64, len, map->len)
  96                 ctf_integer(u64, orig_start, map->orig_start)
  97                 ctf_integer(u64, block_start, map->block_start)
  98                 ctf_integer(u64, block_len, map->block_len)
  99                 ctf_integer(unsigned long, flags, map->flags)
 100                 ctf_integer(int, refs, atomic_read(&map->refs))
 101                 ctf_integer(unsigned int, compress_type, map->compress_type)
 102         )
 103 )
 104
 105 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__ordered_extent,
 106
 107         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 108
 109         TP_ARGS(inode, ordered),
 110
 111         TP_FIELDS(
 112                 ctf_integer(ino_t, ino, inode->i_ino)
 113                 ctf_integer(u64, file_offset, ordered->file_offset)
 114                 ctf_integer(u64, start, ordered->start)
 115                 ctf_integer(u64, len, ordered->len)
 116                 ctf_integer(u64, disk_len, ordered->disk_len)
 117                 ctf_integer(u64, bytes_left, ordered->bytes_left)
 118                 ctf_integer(unsigned long, flags, ordered->flags)
 119                 ctf_integer(int, compress_type, ordered->compress_type)
 120                 ctf_integer(int, refs, atomic_read(&ordered->refs))
 121                 ctf_integer(u64, root_objectid,
 122                                 BTRFS_I(inode)->root->root_key.objectid)
 123         )
 124 )
 125
 126 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_add,
 127
 128         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 129
 130         TP_ARGS(inode, ordered)
 131 )
 132
 133 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_remove,
 134
 135         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 136
 137         TP_ARGS(inode, ordered)
 138 )
 139
 140 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_start,
 141
 142         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 143
 144         TP_ARGS(inode, ordered)
 145 )
 146
 147 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_put,
 148
 149         TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
 150
 151         TP_ARGS(inode, ordered)
 152 )
 153
 154 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__writepage,
 155
 156         TP_PROTO(struct page *page, struct inode *inode,
 157                  struct writeback_control *wbc),
 158
 159         TP_ARGS(page, inode, wbc),
 160
 161         TP_FIELDS(
 162                 ctf_integer(ino_t, ino, inode->i_ino)
 163                 ctf_integer(pgoff_t, index, page->index)
 164                 ctf_integer(long, nr_to_write, wbc->nr_to_write)
 165                 ctf_integer(long, pages_skipped, wbc->pages_skipped)
 166                 ctf_integer(loff_t, range_start, wbc->range_start)
 167                 ctf_integer(loff_t, range_end, wbc->range_end)
 168 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
 169                 ctf_integer(char, nonblocking, wbc->nonblocking)
 170 #endif
 171                 ctf_integer(char, for_kupdate, wbc->for_kupdate)
 172                 ctf_integer(char, for_reclaim, wbc->for_reclaim)
 173                 ctf_integer(char, range_cyclic, wbc->range_cyclic)
 174                 ctf_integer(pgoff_t, writeback_index,
 175                                 inode->i_mapping->writeback_index)
 176                 ctf_integer(u64, root_objectid,
 177                                 BTRFS_I(inode)->root->root_key.objectid)
 178         )
 179 )
 180
 181 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(btrfs__writepage,
 182
 183         __extent_writepage,
 184
 185         btrfs__extent_writepage,
 186
 187         TP_PROTO(struct page *page, struct inode *inode,
 188                  struct writeback_control *wbc),
 189
 190         TP_ARGS(page, inode, wbc)
 191 )
 192
 193 LTTNG_TRACEPOINT_EVENT(btrfs_writepage_end_io_hook,
 194
 195         TP_PROTO(struct page *page, u64 start, u64 end, int uptodate),
 196
 197         TP_ARGS(page, start, end, uptodate),
 198
 199         TP_FIELDS(
 200                 ctf_integer(ino_t, ino, page->mapping->host->i_ino)
 201                 ctf_integer(pgoff_t, index, page->index)
 202                 ctf_integer(u64, start, start)
 203                 ctf_integer(u64, end, end)
 204                 ctf_integer(int, uptodate, uptodate)
 205                 ctf_integer(u64, root_objectid,
 206                         BTRFS_I(page->mapping->host)->root->root_key.objectid)
 207         )
 208 )
 209
 210 LTTNG_TRACEPOINT_EVENT(btrfs_sync_file,
 211
 212         TP_PROTO(struct file *file, int datasync),
 213
 214         TP_ARGS(file, datasync),
 215
 216         TP_FIELDS(
 217                 ctf_integer(ino_t, ino, file->f_path.dentry->d_inode->i_ino)
 218                 ctf_integer(ino_t, parent, file->f_path.dentry->d_parent->d_inode->i_ino)
 219                 ctf_integer(int, datasync, datasync)
 220                 ctf_integer(u64, root_objectid,
 221                         BTRFS_I(file->f_path.dentry->d_inode)->root->root_key.objectid)
 222         )
 223 )
 224
 225 LTTNG_TRACEPOINT_EVENT(btrfs_sync_fs,
 226
 227         TP_PROTO(int wait),
 228
 229         TP_ARGS(wait),
 230
 231         TP_FIELDS(
 232                 ctf_integer(int, wait, wait)
 233         )
 234 )
 235
 236 LTTNG_TRACEPOINT_EVENT(btrfs_delayed_tree_ref,
 237
 238         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 239                  struct btrfs_delayed_tree_ref *full_ref,
 240                  int action),
 241
 242         TP_ARGS(ref, full_ref, action),
 243
 244         TP_FIELDS(
 245                 ctf_integer(u64, bytenr, ref->bytenr)
 246                 ctf_integer(u64, num_bytes, ref->num_bytes)
 247                 ctf_integer(int, action, action)
 248                 ctf_integer(u64, parent, full_ref->parent)
 249                 ctf_integer(u64, ref_root, full_ref->root)
 250                 ctf_integer(int, level, full_ref->level)
 251                 ctf_integer(int, type, ref->type)
 252 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0))
 253                 ctf_integer(u64, seq, ref->seq)
 254 #endif
 255         )
 256 )
 257
 258 LTTNG_TRACEPOINT_EVENT(btrfs_delayed_data_ref,
 259
 260         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 261                  struct btrfs_delayed_data_ref *full_ref,
 262                  int action),
 263
 264         TP_ARGS(ref, full_ref, action),
 265
 266         TP_FIELDS(
 267                 ctf_integer(u64, bytenr, ref->bytenr)
 268                 ctf_integer(u64, num_bytes, ref->num_bytes)
 269                 ctf_integer(int, action, action)
 270                 ctf_integer(u64, parent, full_ref->parent)
 271                 ctf_integer(u64, ref_root, full_ref->root)
 272                 ctf_integer(u64, owner, full_ref->objectid)
 273                 ctf_integer(u64, offset, full_ref->offset)
 274                 ctf_integer(int, type, ref->type)
 275 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0))
 276                 ctf_integer(u64, seq, ref->seq)
 277 #endif
 278         )
 279 )
 280
 281 LTTNG_TRACEPOINT_EVENT(btrfs_delayed_ref_head,
 282
 283         TP_PROTO(struct btrfs_delayed_ref_node *ref,
 284                  struct btrfs_delayed_ref_head *head_ref,
 285                  int action),
 286
 287         TP_ARGS(ref, head_ref, action),
 288
 289         TP_FIELDS(
 290                 ctf_integer(u64, bytenr, ref->bytenr)
 291                 ctf_integer(u64, num_bytes, ref->num_bytes)
 292                 ctf_integer(int, action, action)
 293                 ctf_integer(int, is_data, head_ref->is_data)
 294         )
 295 )
 296
 297 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__chunk,
 298
 299         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 300                  u64 offset, u64 size),
 301
 302         TP_ARGS(root, map, offset, size),
 303
 304         TP_FIELDS(
 305                 ctf_integer(int, num_stripes, map->num_stripes)
 306                 ctf_integer(u64, type, map->type)
 307                 ctf_integer(int, sub_stripes, map->sub_stripes)
 308                 ctf_integer(u64, offset, offset)
 309                 ctf_integer(u64, size, size)
 310                 ctf_integer(u64, root_objectid, root->root_key.objectid)
 311         )
 312 )
 313
 314 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__chunk,  btrfs_chunk_alloc,
 315
 316         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 317                  u64 offset, u64 size),
 318
 319         TP_ARGS(root, map, offset, size)
 320 )
 321
 322 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__chunk,  btrfs_chunk_free,
 323
 324         TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
 325                  u64 offset, u64 size),
 326
 327         TP_ARGS(root, map, offset, size)
 328 )
 329
 330 LTTNG_TRACEPOINT_EVENT(btrfs_cow_block,
 331
 332         TP_PROTO(struct btrfs_root *root, struct extent_buffer *buf,
 333                  struct extent_buffer *cow),
 334
 335         TP_ARGS(root, buf, cow),
 336
 337         TP_FIELDS(
 338                 ctf_integer(u64, root_objectid, root->root_key.objectid)
 339                 ctf_integer(u64, buf_start, buf->start)
 340                 ctf_integer(int, refs, atomic_read(&buf->refs))
 341                 ctf_integer(u64, cow_start, cow->start)
 342                 ctf_integer(int, buf_level, btrfs_header_level(buf))
 343                 ctf_integer(int, cow_level, btrfs_header_level(cow))
 344         )
 345 )
 346
 347 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 348 LTTNG_TRACEPOINT_EVENT(btrfs_space_reservation,
 349
 350         TP_PROTO(struct btrfs_fs_info *fs_info, char *type, u64 val,
 351                  u64 bytes, int reserve),
 352
 353         TP_ARGS(fs_info, type, val, bytes, reserve),
 354
 355         TP_FIELDS(
 356                 ctf_array(u8, fsid, fs_info->fsid, BTRFS_UUID_SIZE)
 357                 ctf_string(type, type)
 358                 ctf_integer(u64, val, val)
 359                 ctf_integer(u64, bytes, bytes)
 360                 ctf_integer(int, reserve, reserve)
 361         )
 362 )
 363 #endif
 364
 365 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__reserved_extent,
 366
 367         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 368
 369         TP_ARGS(root, start, len),
 370
 371         TP_FIELDS(
 372                 ctf_integer(u64, root_objectid, root->root_key.objectid)
 373                 ctf_integer(u64, start, start)
 374                 ctf_integer(u64, len, len)
 375         )
 376 )
 377
 378 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,
 379
 380         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 381
 382         TP_ARGS(root, start, len)
 383 )
 384
 385 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserved_extent,  btrfs_reserved_extent_free,
 386
 387         TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
 388
 389         TP_ARGS(root, start, len)
 390 )
 391
 392 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 393 LTTNG_TRACEPOINT_EVENT_MAP(find_free_extent,
 394
 395         btrfs_find_free_extent,
 396
 397         TP_PROTO(struct btrfs_root *root, u64 num_bytes, u64 empty_size,
 398                  u64 data),
 399
 400         TP_ARGS(root, num_bytes, empty_size, data),
 401
 402         TP_FIELDS(
 403                 ctf_integer(u64, root_objectid, root->root_key.objectid)
 404                 ctf_integer(u64, num_bytes, num_bytes)
 405                 ctf_integer(u64, empty_size, empty_size)
 406                 ctf_integer(u64, data, data)
 407         )
 408 )
 409
 410 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__reserve_extent,
 411
 412         TP_PROTO(struct btrfs_root *root,
 413                  struct btrfs_block_group_cache *block_group, u64 start,
 414                  u64 len),
 415
 416         TP_ARGS(root, block_group, start, len),
 417
 418         TP_FIELDS(
 419                 ctf_integer(u64, root_objectid, root->root_key.objectid)
 420                 ctf_integer(u64, bg_objectid, block_group->key.objectid)
 421                 ctf_integer(u64, flags, block_group->flags)
 422                 ctf_integer(u64, start, start)
 423                 ctf_integer(u64, len, len)
 424         )
 425 )
 426
 427 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserve_extent, btrfs_reserve_extent,
 428
 429         TP_PROTO(struct btrfs_root *root,
 430                  struct btrfs_block_group_cache *block_group, u64 start,
 431                  u64 len),
 432
 433         TP_ARGS(root, block_group, start, len)
 434 )
 435
 436 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
 437
 438         TP_PROTO(struct btrfs_root *root,
 439                  struct btrfs_block_group_cache *block_group, u64 start,
 440                  u64 len),
 441
 442         TP_ARGS(root, block_group, start, len)
 443 )
 444
 445 LTTNG_TRACEPOINT_EVENT(btrfs_find_cluster,
 446
 447         TP_PROTO(struct btrfs_block_group_cache *block_group, u64 start,
 448                  u64 bytes, u64 empty_size, u64 min_bytes),
 449
 450         TP_ARGS(block_group, start, bytes, empty_size, min_bytes),
 451
 452         TP_FIELDS(
 453                 ctf_integer(u64, bg_objectid, block_group->key.objectid)
 454                 ctf_integer(u64, flags, block_group->flags)
 455                 ctf_integer(u64, start, start)
 456                 ctf_integer(u64, bytes, bytes)
 457                 ctf_integer(u64, empty_size, empty_size)
 458                 ctf_integer(u64, min_bytes, min_bytes)
 459         )
 460 )
 461
 462 LTTNG_TRACEPOINT_EVENT(btrfs_failed_cluster_setup,
 463
 464         TP_PROTO(struct btrfs_block_group_cache *block_group),
 465
 466         TP_ARGS(block_group),
 467
 468         TP_FIELDS(
 469                 ctf_integer(u64, bg_objectid, block_group->key.objectid)
 470         )
 471 )
 472
 473 LTTNG_TRACEPOINT_EVENT(btrfs_setup_cluster,
 474
 475         TP_PROTO(struct btrfs_block_group_cache *block_group,
 476                  struct btrfs_free_cluster *cluster, u64 size, int bitmap),
 477
 478         TP_ARGS(block_group, cluster, size, bitmap),
 479
 480         TP_FIELDS(
 481                 ctf_integer(u64, bg_objectid, block_group->key.objectid)
 482                 ctf_integer(u64, flags, block_group->flags)
 483                 ctf_integer(u64, start, cluster->window_start)
 484                 ctf_integer(u64, max_size, cluster->max_size)
 485                 ctf_integer(u64, size, size)
 486                 ctf_integer(int, bitmap, bitmap)
 487         )
 488 )
 489 #endif
 490
 491 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 492 LTTNG_TRACEPOINT_EVENT_MAP(alloc_extent_state,
 493
 494         btrfs_alloc_extent_state,
 495
 496         TP_PROTO(struct extent_state *state, gfp_t mask, unsigned long IP),
 497
 498         TP_ARGS(state, mask, IP),
 499
 500         TP_FIELDS(
 501                 ctf_integer_hex(struct extent_state *, state, state)
 502                 ctf_integer(gfp_t, mask, mask)
 503                 ctf_integer(unsigned long, ip, IP)
 504         )
 505 )
 506
 507 LTTNG_TRACEPOINT_EVENT_MAP(free_extent_state,
 508
 509         btrfs_free_extent_state,
 510
 511         TP_PROTO(struct extent_state *state, unsigned long IP),
 512
 513         TP_ARGS(state, IP),
 514
 515         TP_FIELDS(
 516                 ctf_integer_hex(struct extent_state *, state, state)
 517                 ctf_integer(unsigned long, ip, IP)
 518         )
 519 )
 520 #endif
 521
 522 #endif /* LTTNG_TRACE_BTRFS_H */
 523
 524 /* This part must be outside protection */
 525 #include <probes/define_trace.h>