xref: /openbmc/linux/include/trace/events/btrfs.h (revision 599c75ec)
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>
985