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