xref: /openbmc/linux/include/trace/events/btrfs.h (revision 4cd8587c)
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_UUID_TREE_OBJECTID,	"UUID_RELOC"	},	\
46 		{ BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })
47 
48 #define show_root_type(obj)						\
49 	obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||		\
50 	      (obj >= BTRFS_ROOT_TREE_OBJECTID &&			\
51 	       obj <= BTRFS_QUOTA_TREE_OBJECTID)) ? __show_root_type(obj) : "-"
52 
53 #define BTRFS_GROUP_FLAGS	\
54 	{ BTRFS_BLOCK_GROUP_DATA,	"DATA"},	\
55 	{ BTRFS_BLOCK_GROUP_SYSTEM,	"SYSTEM"},	\
56 	{ BTRFS_BLOCK_GROUP_METADATA,	"METADATA"},	\
57 	{ BTRFS_BLOCK_GROUP_RAID0,	"RAID0"}, 	\
58 	{ BTRFS_BLOCK_GROUP_RAID1,	"RAID1"}, 	\
59 	{ BTRFS_BLOCK_GROUP_DUP,	"DUP"}, 	\
60 	{ BTRFS_BLOCK_GROUP_RAID10,	"RAID10"}, 	\
61 	{ BTRFS_BLOCK_GROUP_RAID5,	"RAID5"},	\
62 	{ BTRFS_BLOCK_GROUP_RAID6,	"RAID6"}
63 
64 #define BTRFS_UUID_SIZE 16
65 
66 TRACE_EVENT(btrfs_transaction_commit,
67 
68 	TP_PROTO(struct btrfs_root *root),
69 
70 	TP_ARGS(root),
71 
72 	TP_STRUCT__entry(
73 		__field(	u64,  generation		)
74 		__field(	u64,  root_objectid		)
75 	),
76 
77 	TP_fast_assign(
78 		__entry->generation	= root->fs_info->generation;
79 		__entry->root_objectid	= root->root_key.objectid;
80 	),
81 
82 	TP_printk("root = %llu(%s), gen = %llu",
83 		  show_root_type(__entry->root_objectid),
84 		  (unsigned long long)__entry->generation)
85 );
86 
87 DECLARE_EVENT_CLASS(btrfs__inode,
88 
89 	TP_PROTO(struct inode *inode),
90 
91 	TP_ARGS(inode),
92 
93 	TP_STRUCT__entry(
94 		__field(	ino_t,  ino			)
95 		__field(	blkcnt_t,  blocks		)
96 		__field(	u64,  disk_i_size		)
97 		__field(	u64,  generation		)
98 		__field(	u64,  last_trans		)
99 		__field(	u64,  logged_trans		)
100 		__field(	u64,  root_objectid		)
101 	),
102 
103 	TP_fast_assign(
104 		__entry->ino	= inode->i_ino;
105 		__entry->blocks	= inode->i_blocks;
106 		__entry->disk_i_size  = BTRFS_I(inode)->disk_i_size;
107 		__entry->generation = BTRFS_I(inode)->generation;
108 		__entry->last_trans = BTRFS_I(inode)->last_trans;
109 		__entry->logged_trans = BTRFS_I(inode)->logged_trans;
110 		__entry->root_objectid =
111 				BTRFS_I(inode)->root->root_key.objectid;
112 	),
113 
114 	TP_printk("root = %llu(%s), gen = %llu, ino = %lu, blocks = %llu, "
115 		  "disk_i_size = %llu, last_trans = %llu, logged_trans = %llu",
116 		  show_root_type(__entry->root_objectid),
117 		  (unsigned long long)__entry->generation,
118 		  (unsigned long)__entry->ino,
119 		  (unsigned long long)__entry->blocks,
120 		  (unsigned long long)__entry->disk_i_size,
121 		  (unsigned long long)__entry->last_trans,
122 		  (unsigned long long)__entry->logged_trans)
123 );
124 
125 DEFINE_EVENT(btrfs__inode, btrfs_inode_new,
126 
127 	TP_PROTO(struct inode *inode),
128 
129 	TP_ARGS(inode)
130 );
131 
132 DEFINE_EVENT(btrfs__inode, btrfs_inode_request,
133 
134 	TP_PROTO(struct inode *inode),
135 
136 	TP_ARGS(inode)
137 );
138 
139 DEFINE_EVENT(btrfs__inode, btrfs_inode_evict,
140 
141 	TP_PROTO(struct inode *inode),
142 
143 	TP_ARGS(inode)
144 );
145 
146 #define __show_map_type(type)						\
147 	__print_symbolic_u64(type,					\
148 		{ EXTENT_MAP_LAST_BYTE, "LAST_BYTE" 	},		\
149 		{ EXTENT_MAP_HOLE, 	"HOLE" 		},		\
150 		{ EXTENT_MAP_INLINE, 	"INLINE" 	},		\
151 		{ EXTENT_MAP_DELALLOC,	"DELALLOC" 	})
152 
153 #define show_map_type(type)			\
154 	type, (type >= EXTENT_MAP_LAST_BYTE) ? "-" :  __show_map_type(type)
155 
156 #define show_map_flags(flag)						\
157 	__print_flags(flag, "|",					\
158 		{ EXTENT_FLAG_PINNED, 		"PINNED" 	},	\
159 		{ EXTENT_FLAG_COMPRESSED, 	"COMPRESSED" 	},	\
160 		{ EXTENT_FLAG_VACANCY, 		"VACANCY" 	},	\
161 		{ EXTENT_FLAG_PREALLOC, 	"PREALLOC" 	},	\
162 		{ EXTENT_FLAG_LOGGING,	 	"LOGGING" 	},	\
163 		{ EXTENT_FLAG_FILLING,	 	"FILLING" 	})
164 
165 TRACE_EVENT_CONDITION(btrfs_get_extent,
166 
167 	TP_PROTO(struct btrfs_root *root, struct extent_map *map),
168 
169 	TP_ARGS(root, map),
170 
171 	TP_CONDITION(map),
172 
173 	TP_STRUCT__entry(
174 		__field(	u64,  root_objectid	)
175 		__field(	u64,  start		)
176 		__field(	u64,  len		)
177 		__field(	u64,  orig_start	)
178 		__field(	u64,  block_start	)
179 		__field(	u64,  block_len		)
180 		__field(	unsigned long,  flags	)
181 		__field(	int,  refs		)
182 		__field(	unsigned int,  compress_type	)
183 	),
184 
185 	TP_fast_assign(
186 		__entry->root_objectid	= root->root_key.objectid;
187 		__entry->start 		= map->start;
188 		__entry->len		= map->len;
189 		__entry->orig_start	= map->orig_start;
190 		__entry->block_start	= map->block_start;
191 		__entry->block_len	= map->block_len;
192 		__entry->flags		= map->flags;
193 		__entry->refs		= atomic_read(&map->refs);
194 		__entry->compress_type	= map->compress_type;
195 	),
196 
197 	TP_printk("root = %llu(%s), start = %llu, len = %llu, "
198 		  "orig_start = %llu, block_start = %llu(%s), "
199 		  "block_len = %llu, flags = %s, refs = %u, "
200 		  "compress_type = %u",
201 		  show_root_type(__entry->root_objectid),
202 		  (unsigned long long)__entry->start,
203 		  (unsigned long long)__entry->len,
204 		  (unsigned long long)__entry->orig_start,
205 		  show_map_type(__entry->block_start),
206 		  (unsigned long long)__entry->block_len,
207 		  show_map_flags(__entry->flags),
208 		  __entry->refs, __entry->compress_type)
209 );
210 
211 #define show_ordered_flags(flags)					\
212 	__print_symbolic(flags,						\
213 		{ BTRFS_ORDERED_IO_DONE, 	"IO_DONE" 	},	\
214 		{ BTRFS_ORDERED_COMPLETE, 	"COMPLETE" 	},	\
215 		{ BTRFS_ORDERED_NOCOW, 		"NOCOW" 	},	\
216 		{ BTRFS_ORDERED_COMPRESSED, 	"COMPRESSED" 	},	\
217 		{ BTRFS_ORDERED_PREALLOC, 	"PREALLOC" 	},	\
218 		{ BTRFS_ORDERED_DIRECT, 	"DIRECT" 	},	\
219 		{ BTRFS_ORDERED_IOERR, 		"IOERR" 	},	\
220 		{ BTRFS_ORDERED_UPDATED_ISIZE, 	"UPDATED_ISIZE"	},	\
221 		{ BTRFS_ORDERED_LOGGED_CSUM, 	"LOGGED_CSUM"	})
222 
223 
224 DECLARE_EVENT_CLASS(btrfs__ordered_extent,
225 
226 	TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
227 
228 	TP_ARGS(inode, ordered),
229 
230 	TP_STRUCT__entry(
231 		__field(	ino_t,  ino		)
232 		__field(	u64,  file_offset	)
233 		__field(	u64,  start		)
234 		__field(	u64,  len		)
235 		__field(	u64,  disk_len		)
236 		__field(	u64,  bytes_left	)
237 		__field(	unsigned long,  flags	)
238 		__field(	int,  compress_type	)
239 		__field(	int,  refs		)
240 		__field(	u64,  root_objectid	)
241 	),
242 
243 	TP_fast_assign(
244 		__entry->ino 		= inode->i_ino;
245 		__entry->file_offset	= ordered->file_offset;
246 		__entry->start		= ordered->start;
247 		__entry->len		= ordered->len;
248 		__entry->disk_len	= ordered->disk_len;
249 		__entry->bytes_left	= ordered->bytes_left;
250 		__entry->flags		= ordered->flags;
251 		__entry->compress_type	= ordered->compress_type;
252 		__entry->refs		= atomic_read(&ordered->refs);
253 		__entry->root_objectid	=
254 				BTRFS_I(inode)->root->root_key.objectid;
255 	),
256 
257 	TP_printk("root = %llu(%s), ino = %llu, file_offset = %llu, "
258 		  "start = %llu, len = %llu, disk_len = %llu, "
259 		  "bytes_left = %llu, flags = %s, compress_type = %d, "
260 		  "refs = %d",
261 		  show_root_type(__entry->root_objectid),
262 		  (unsigned long long)__entry->ino,
263 		  (unsigned long long)__entry->file_offset,
264 		  (unsigned long long)__entry->start,
265 		  (unsigned long long)__entry->len,
266 		  (unsigned long long)__entry->disk_len,
267 		  (unsigned long long)__entry->bytes_left,
268 		  show_ordered_flags(__entry->flags),
269 		  __entry->compress_type, __entry->refs)
270 );
271 
272 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_add,
273 
274 	TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
275 
276 	TP_ARGS(inode, ordered)
277 );
278 
279 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_remove,
280 
281 	TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
282 
283 	TP_ARGS(inode, ordered)
284 );
285 
286 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_start,
287 
288 	TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
289 
290 	TP_ARGS(inode, ordered)
291 );
292 
293 DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put,
294 
295 	TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),
296 
297 	TP_ARGS(inode, ordered)
298 );
299 
300 DECLARE_EVENT_CLASS(btrfs__writepage,
301 
302 	TP_PROTO(struct page *page, struct inode *inode,
303 		 struct writeback_control *wbc),
304 
305 	TP_ARGS(page, inode, wbc),
306 
307 	TP_STRUCT__entry(
308 		__field(	ino_t,  ino			)
309 		__field(	pgoff_t,  index			)
310 		__field(	long,   nr_to_write		)
311 		__field(	long,   pages_skipped		)
312 		__field(	loff_t, range_start		)
313 		__field(	loff_t, range_end		)
314 		__field(	char,   for_kupdate		)
315 		__field(	char,   for_reclaim		)
316 		__field(	char,   range_cyclic		)
317 		__field(	pgoff_t,  writeback_index	)
318 		__field(	u64,    root_objectid		)
319 	),
320 
321 	TP_fast_assign(
322 		__entry->ino		= inode->i_ino;
323 		__entry->index		= page->index;
324 		__entry->nr_to_write	= wbc->nr_to_write;
325 		__entry->pages_skipped	= wbc->pages_skipped;
326 		__entry->range_start	= wbc->range_start;
327 		__entry->range_end	= wbc->range_end;
328 		__entry->for_kupdate	= wbc->for_kupdate;
329 		__entry->for_reclaim	= wbc->for_reclaim;
330 		__entry->range_cyclic	= wbc->range_cyclic;
331 		__entry->writeback_index = inode->i_mapping->writeback_index;
332 		__entry->root_objectid	=
333 				 BTRFS_I(inode)->root->root_key.objectid;
334 	),
335 
336 	TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, "
337 		  "nr_to_write = %ld, pages_skipped = %ld, range_start = %llu, "
338 		  "range_end = %llu, for_kupdate = %d, "
339 		  "for_reclaim = %d, range_cyclic = %d, writeback_index = %lu",
340 		  show_root_type(__entry->root_objectid),
341 		  (unsigned long)__entry->ino, __entry->index,
342 		  __entry->nr_to_write, __entry->pages_skipped,
343 		  __entry->range_start, __entry->range_end,
344 		  __entry->for_kupdate,
345 		  __entry->for_reclaim, __entry->range_cyclic,
346 		  (unsigned long)__entry->writeback_index)
347 );
348 
349 DEFINE_EVENT(btrfs__writepage, __extent_writepage,
350 
351 	TP_PROTO(struct page *page, struct inode *inode,
352 		 struct writeback_control *wbc),
353 
354 	TP_ARGS(page, inode, wbc)
355 );
356 
357 TRACE_EVENT(btrfs_writepage_end_io_hook,
358 
359 	TP_PROTO(struct page *page, u64 start, u64 end, int uptodate),
360 
361 	TP_ARGS(page, start, end, uptodate),
362 
363 	TP_STRUCT__entry(
364 		__field(	ino_t,	 ino		)
365 		__field(	pgoff_t, index		)
366 		__field(	u64,	 start		)
367 		__field(	u64,	 end		)
368 		__field(	int,	 uptodate	)
369 		__field(	u64,    root_objectid	)
370 	),
371 
372 	TP_fast_assign(
373 		__entry->ino	= page->mapping->host->i_ino;
374 		__entry->index	= page->index;
375 		__entry->start	= start;
376 		__entry->end	= end;
377 		__entry->uptodate = uptodate;
378 		__entry->root_objectid	=
379 			 BTRFS_I(page->mapping->host)->root->root_key.objectid;
380 	),
381 
382 	TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, start = %llu, "
383 		  "end = %llu, uptodate = %d",
384 		  show_root_type(__entry->root_objectid),
385 		  (unsigned long)__entry->ino, (unsigned long)__entry->index,
386 		  (unsigned long long)__entry->start,
387 		  (unsigned long long)__entry->end, __entry->uptodate)
388 );
389 
390 TRACE_EVENT(btrfs_sync_file,
391 
392 	TP_PROTO(struct file *file, int datasync),
393 
394 	TP_ARGS(file, datasync),
395 
396 	TP_STRUCT__entry(
397 		__field(	ino_t,  ino		)
398 		__field(	ino_t,  parent		)
399 		__field(	int,    datasync	)
400 		__field(	u64,    root_objectid	)
401 	),
402 
403 	TP_fast_assign(
404 		struct dentry *dentry = file->f_path.dentry;
405 		struct inode *inode = dentry->d_inode;
406 
407 		__entry->ino		= inode->i_ino;
408 		__entry->parent		= dentry->d_parent->d_inode->i_ino;
409 		__entry->datasync	= datasync;
410 		__entry->root_objectid	=
411 				 BTRFS_I(inode)->root->root_key.objectid;
412 	),
413 
414 	TP_printk("root = %llu(%s), ino = %ld, parent = %ld, datasync = %d",
415 		  show_root_type(__entry->root_objectid),
416 		  (unsigned long)__entry->ino, (unsigned long)__entry->parent,
417 		  __entry->datasync)
418 );
419 
420 TRACE_EVENT(btrfs_sync_fs,
421 
422 	TP_PROTO(int wait),
423 
424 	TP_ARGS(wait),
425 
426 	TP_STRUCT__entry(
427 		__field(	int,  wait		)
428 	),
429 
430 	TP_fast_assign(
431 		__entry->wait	= wait;
432 	),
433 
434 	TP_printk("wait = %d", __entry->wait)
435 );
436 
437 #define show_ref_action(action)						\
438 	__print_symbolic(action,					\
439 		{ BTRFS_ADD_DELAYED_REF,    "ADD_DELAYED_REF" },	\
440 		{ BTRFS_DROP_DELAYED_REF,   "DROP_DELAYED_REF" },	\
441 		{ BTRFS_ADD_DELAYED_EXTENT, "ADD_DELAYED_EXTENT" }, 	\
442 		{ BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" })
443 
444 
445 DECLARE_EVENT_CLASS(btrfs_delayed_tree_ref,
446 
447 	TP_PROTO(struct btrfs_delayed_ref_node *ref,
448 		 struct btrfs_delayed_tree_ref *full_ref,
449 		 int action),
450 
451 	TP_ARGS(ref, full_ref, action),
452 
453 	TP_STRUCT__entry(
454 		__field(	u64,  bytenr		)
455 		__field(	u64,  num_bytes		)
456 		__field(	int,  action		)
457 		__field(	u64,  parent		)
458 		__field(	u64,  ref_root		)
459 		__field(	int,  level		)
460 		__field(	int,  type		)
461 		__field(	u64,  seq		)
462 	),
463 
464 	TP_fast_assign(
465 		__entry->bytenr		= ref->bytenr;
466 		__entry->num_bytes	= ref->num_bytes;
467 		__entry->action		= action;
468 		__entry->parent		= full_ref->parent;
469 		__entry->ref_root	= full_ref->root;
470 		__entry->level		= full_ref->level;
471 		__entry->type		= ref->type;
472 		__entry->seq		= ref->seq;
473 	),
474 
475 	TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
476 		  "parent = %llu(%s), ref_root = %llu(%s), level = %d, "
477 		  "type = %s, seq = %llu",
478 		  (unsigned long long)__entry->bytenr,
479 		  (unsigned long long)__entry->num_bytes,
480 		  show_ref_action(__entry->action),
481 		  show_root_type(__entry->parent),
482 		  show_root_type(__entry->ref_root),
483 		  __entry->level, show_ref_type(__entry->type),
484 		  (unsigned long long)__entry->seq)
485 );
486 
487 DEFINE_EVENT(btrfs_delayed_tree_ref,  add_delayed_tree_ref,
488 
489 	TP_PROTO(struct btrfs_delayed_ref_node *ref,
490 		 struct btrfs_delayed_tree_ref *full_ref,
491 		 int action),
492 
493 	TP_ARGS(ref, full_ref, action)
494 );
495 
496 DEFINE_EVENT(btrfs_delayed_tree_ref,  run_delayed_tree_ref,
497 
498 	TP_PROTO(struct btrfs_delayed_ref_node *ref,
499 		 struct btrfs_delayed_tree_ref *full_ref,
500 		 int action),
501 
502 	TP_ARGS(ref, full_ref, action)
503 );
504 
505 DECLARE_EVENT_CLASS(btrfs_delayed_data_ref,
506 
507 	TP_PROTO(struct btrfs_delayed_ref_node *ref,
508 		 struct btrfs_delayed_data_ref *full_ref,
509 		 int action),
510 
511 	TP_ARGS(ref, full_ref, action),
512 
513 	TP_STRUCT__entry(
514 		__field(	u64,  bytenr		)
515 		__field(	u64,  num_bytes		)
516 		__field(	int,  action		)
517 		__field(	u64,  parent		)
518 		__field(	u64,  ref_root		)
519 		__field(	u64,  owner		)
520 		__field(	u64,  offset		)
521 		__field(	int,  type		)
522 		__field(	u64,  seq		)
523 	),
524 
525 	TP_fast_assign(
526 		__entry->bytenr		= ref->bytenr;
527 		__entry->num_bytes	= ref->num_bytes;
528 		__entry->action		= action;
529 		__entry->parent		= full_ref->parent;
530 		__entry->ref_root	= full_ref->root;
531 		__entry->owner		= full_ref->objectid;
532 		__entry->offset		= full_ref->offset;
533 		__entry->type		= ref->type;
534 		__entry->seq		= ref->seq;
535 	),
536 
537 	TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
538 		  "parent = %llu(%s), ref_root = %llu(%s), owner = %llu, "
539 		  "offset = %llu, type = %s, seq = %llu",
540 		  (unsigned long long)__entry->bytenr,
541 		  (unsigned long long)__entry->num_bytes,
542 		  show_ref_action(__entry->action),
543 		  show_root_type(__entry->parent),
544 		  show_root_type(__entry->ref_root),
545 		  (unsigned long long)__entry->owner,
546 		  (unsigned long long)__entry->offset,
547 		  show_ref_type(__entry->type),
548 		  (unsigned long long)__entry->seq)
549 );
550 
551 DEFINE_EVENT(btrfs_delayed_data_ref,  add_delayed_data_ref,
552 
553 	TP_PROTO(struct btrfs_delayed_ref_node *ref,
554 		 struct btrfs_delayed_data_ref *full_ref,
555 		 int action),
556 
557 	TP_ARGS(ref, full_ref, action)
558 );
559 
560 DEFINE_EVENT(btrfs_delayed_data_ref,  run_delayed_data_ref,
561 
562 	TP_PROTO(struct btrfs_delayed_ref_node *ref,
563 		 struct btrfs_delayed_data_ref *full_ref,
564 		 int action),
565 
566 	TP_ARGS(ref, full_ref, action)
567 );
568 
569 DECLARE_EVENT_CLASS(btrfs_delayed_ref_head,
570 
571 	TP_PROTO(struct btrfs_delayed_ref_node *ref,
572 		 struct btrfs_delayed_ref_head *head_ref,
573 		 int action),
574 
575 	TP_ARGS(ref, head_ref, action),
576 
577 	TP_STRUCT__entry(
578 		__field(	u64,  bytenr		)
579 		__field(	u64,  num_bytes		)
580 		__field(	int,  action		)
581 		__field(	int,  is_data		)
582 	),
583 
584 	TP_fast_assign(
585 		__entry->bytenr		= ref->bytenr;
586 		__entry->num_bytes	= ref->num_bytes;
587 		__entry->action		= action;
588 		__entry->is_data	= head_ref->is_data;
589 	),
590 
591 	TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, is_data = %d",
592 		  (unsigned long long)__entry->bytenr,
593 		  (unsigned long long)__entry->num_bytes,
594 		  show_ref_action(__entry->action),
595 		  __entry->is_data)
596 );
597 
598 DEFINE_EVENT(btrfs_delayed_ref_head,  add_delayed_ref_head,
599 
600 	TP_PROTO(struct btrfs_delayed_ref_node *ref,
601 		 struct btrfs_delayed_ref_head *head_ref,
602 		 int action),
603 
604 	TP_ARGS(ref, head_ref, action)
605 );
606 
607 DEFINE_EVENT(btrfs_delayed_ref_head,  run_delayed_ref_head,
608 
609 	TP_PROTO(struct btrfs_delayed_ref_node *ref,
610 		 struct btrfs_delayed_ref_head *head_ref,
611 		 int action),
612 
613 	TP_ARGS(ref, head_ref, action)
614 );
615 
616 #define show_chunk_type(type)					\
617 	__print_flags(type, "|",				\
618 		{ BTRFS_BLOCK_GROUP_DATA, 	"DATA"	},	\
619 		{ BTRFS_BLOCK_GROUP_SYSTEM, 	"SYSTEM"},	\
620 		{ BTRFS_BLOCK_GROUP_METADATA, 	"METADATA"},	\
621 		{ BTRFS_BLOCK_GROUP_RAID0, 	"RAID0" },	\
622 		{ BTRFS_BLOCK_GROUP_RAID1, 	"RAID1" },	\
623 		{ BTRFS_BLOCK_GROUP_DUP, 	"DUP"	},	\
624 		{ BTRFS_BLOCK_GROUP_RAID10, 	"RAID10"},	\
625 		{ BTRFS_BLOCK_GROUP_RAID5, 	"RAID5"	},	\
626 		{ BTRFS_BLOCK_GROUP_RAID6, 	"RAID6"	})
627 
628 DECLARE_EVENT_CLASS(btrfs__chunk,
629 
630 	TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
631 		 u64 offset, u64 size),
632 
633 	TP_ARGS(root, map, offset, size),
634 
635 	TP_STRUCT__entry(
636 		__field(	int,  num_stripes		)
637 		__field(	u64,  type			)
638 		__field(	int,  sub_stripes		)
639 		__field(	u64,  offset			)
640 		__field(	u64,  size			)
641 		__field(	u64,  root_objectid		)
642 	),
643 
644 	TP_fast_assign(
645 		__entry->num_stripes	= map->num_stripes;
646 		__entry->type		= map->type;
647 		__entry->sub_stripes	= map->sub_stripes;
648 		__entry->offset		= offset;
649 		__entry->size		= size;
650 		__entry->root_objectid	= root->root_key.objectid;
651 	),
652 
653 	TP_printk("root = %llu(%s), offset = %llu, size = %llu, "
654 		  "num_stripes = %d, sub_stripes = %d, type = %s",
655 		  show_root_type(__entry->root_objectid),
656 		  (unsigned long long)__entry->offset,
657 		  (unsigned long long)__entry->size,
658 		  __entry->num_stripes, __entry->sub_stripes,
659 		  show_chunk_type(__entry->type))
660 );
661 
662 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_alloc,
663 
664 	TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
665 		 u64 offset, u64 size),
666 
667 	TP_ARGS(root, map, offset, size)
668 );
669 
670 DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_free,
671 
672 	TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
673 		 u64 offset, u64 size),
674 
675 	TP_ARGS(root, map, offset, size)
676 );
677 
678 TRACE_EVENT(btrfs_cow_block,
679 
680 	TP_PROTO(struct btrfs_root *root, struct extent_buffer *buf,
681 		 struct extent_buffer *cow),
682 
683 	TP_ARGS(root, buf, cow),
684 
685 	TP_STRUCT__entry(
686 		__field(	u64,  root_objectid		)
687 		__field(	u64,  buf_start			)
688 		__field(	int,  refs			)
689 		__field(	u64,  cow_start			)
690 		__field(	int,  buf_level			)
691 		__field(	int,  cow_level			)
692 	),
693 
694 	TP_fast_assign(
695 		__entry->root_objectid	= root->root_key.objectid;
696 		__entry->buf_start	= buf->start;
697 		__entry->refs		= atomic_read(&buf->refs);
698 		__entry->cow_start	= cow->start;
699 		__entry->buf_level	= btrfs_header_level(buf);
700 		__entry->cow_level	= btrfs_header_level(cow);
701 	),
702 
703 	TP_printk("root = %llu(%s), refs = %d, orig_buf = %llu "
704 		  "(orig_level = %d), cow_buf = %llu (cow_level = %d)",
705 		  show_root_type(__entry->root_objectid),
706 		  __entry->refs,
707 		  (unsigned long long)__entry->buf_start,
708 		  __entry->buf_level,
709 		  (unsigned long long)__entry->cow_start,
710 		  __entry->cow_level)
711 );
712 
713 TRACE_EVENT(btrfs_space_reservation,
714 
715 	TP_PROTO(struct btrfs_fs_info *fs_info, char *type, u64 val,
716 		 u64 bytes, int reserve),
717 
718 	TP_ARGS(fs_info, type, val, bytes, reserve),
719 
720 	TP_STRUCT__entry(
721 		__array(	u8,	fsid,	BTRFS_UUID_SIZE	)
722 		__string(	type,	type			)
723 		__field(	u64,	val			)
724 		__field(	u64,	bytes			)
725 		__field(	int,	reserve			)
726 	),
727 
728 	TP_fast_assign(
729 		memcpy(__entry->fsid, fs_info->fsid, BTRFS_UUID_SIZE);
730 		__assign_str(type, type);
731 		__entry->val		= val;
732 		__entry->bytes		= bytes;
733 		__entry->reserve	= reserve;
734 	),
735 
736 	TP_printk("%pU: %s: %Lu %s %Lu", __entry->fsid, __get_str(type),
737 		  __entry->val, __entry->reserve ? "reserve" : "release",
738 		  __entry->bytes)
739 );
740 
741 DECLARE_EVENT_CLASS(btrfs__reserved_extent,
742 
743 	TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
744 
745 	TP_ARGS(root, start, len),
746 
747 	TP_STRUCT__entry(
748 		__field(	u64,  root_objectid		)
749 		__field(	u64,  start			)
750 		__field(	u64,  len			)
751 	),
752 
753 	TP_fast_assign(
754 		__entry->root_objectid	= root->root_key.objectid;
755 		__entry->start		= start;
756 		__entry->len		= len;
757 	),
758 
759 	TP_printk("root = %llu(%s), start = %llu, len = %llu",
760 		  show_root_type(__entry->root_objectid),
761 		  (unsigned long long)__entry->start,
762 		  (unsigned long long)__entry->len)
763 );
764 
765 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,
766 
767 	TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
768 
769 	TP_ARGS(root, start, len)
770 );
771 
772 DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_free,
773 
774 	TP_PROTO(struct btrfs_root *root, u64 start, u64 len),
775 
776 	TP_ARGS(root, start, len)
777 );
778 
779 TRACE_EVENT(find_free_extent,
780 
781 	TP_PROTO(struct btrfs_root *root, u64 num_bytes, u64 empty_size,
782 		 u64 data),
783 
784 	TP_ARGS(root, num_bytes, empty_size, data),
785 
786 	TP_STRUCT__entry(
787 		__field(	u64,	root_objectid		)
788 		__field(	u64,	num_bytes		)
789 		__field(	u64,	empty_size		)
790 		__field(	u64,	data			)
791 	),
792 
793 	TP_fast_assign(
794 		__entry->root_objectid	= root->root_key.objectid;
795 		__entry->num_bytes	= num_bytes;
796 		__entry->empty_size	= empty_size;
797 		__entry->data		= data;
798 	),
799 
800 	TP_printk("root = %Lu(%s), len = %Lu, empty_size = %Lu, "
801 		  "flags = %Lu(%s)", show_root_type(__entry->root_objectid),
802 		  __entry->num_bytes, __entry->empty_size, __entry->data,
803 		  __print_flags((unsigned long)__entry->data, "|",
804 				 BTRFS_GROUP_FLAGS))
805 );
806 
807 DECLARE_EVENT_CLASS(btrfs__reserve_extent,
808 
809 	TP_PROTO(struct btrfs_root *root,
810 		 struct btrfs_block_group_cache *block_group, u64 start,
811 		 u64 len),
812 
813 	TP_ARGS(root, block_group, start, len),
814 
815 	TP_STRUCT__entry(
816 		__field(	u64,	root_objectid		)
817 		__field(	u64,	bg_objectid		)
818 		__field(	u64,	flags			)
819 		__field(	u64,	start			)
820 		__field(	u64,	len			)
821 	),
822 
823 	TP_fast_assign(
824 		__entry->root_objectid	= root->root_key.objectid;
825 		__entry->bg_objectid	= block_group->key.objectid;
826 		__entry->flags		= block_group->flags;
827 		__entry->start		= start;
828 		__entry->len		= len;
829 	),
830 
831 	TP_printk("root = %Lu(%s), block_group = %Lu, flags = %Lu(%s), "
832 		  "start = %Lu, len = %Lu",
833 		  show_root_type(__entry->root_objectid), __entry->bg_objectid,
834 		  __entry->flags, __print_flags((unsigned long)__entry->flags,
835 						"|", BTRFS_GROUP_FLAGS),
836 		  __entry->start, __entry->len)
837 );
838 
839 DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,
840 
841 	TP_PROTO(struct btrfs_root *root,
842 		 struct btrfs_block_group_cache *block_group, u64 start,
843 		 u64 len),
844 
845 	TP_ARGS(root, block_group, start, len)
846 );
847 
848 DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
849 
850 	TP_PROTO(struct btrfs_root *root,
851 		 struct btrfs_block_group_cache *block_group, u64 start,
852 		 u64 len),
853 
854 	TP_ARGS(root, block_group, start, len)
855 );
856 
857 TRACE_EVENT(btrfs_find_cluster,
858 
859 	TP_PROTO(struct btrfs_block_group_cache *block_group, u64 start,
860 		 u64 bytes, u64 empty_size, u64 min_bytes),
861 
862 	TP_ARGS(block_group, start, bytes, empty_size, min_bytes),
863 
864 	TP_STRUCT__entry(
865 		__field(	u64,	bg_objectid		)
866 		__field(	u64,	flags			)
867 		__field(	u64,	start			)
868 		__field(	u64,	bytes			)
869 		__field(	u64,	empty_size		)
870 		__field(	u64,	min_bytes		)
871 	),
872 
873 	TP_fast_assign(
874 		__entry->bg_objectid	= block_group->key.objectid;
875 		__entry->flags		= block_group->flags;
876 		__entry->start		= start;
877 		__entry->bytes		= bytes;
878 		__entry->empty_size	= empty_size;
879 		__entry->min_bytes	= min_bytes;
880 	),
881 
882 	TP_printk("block_group = %Lu, flags = %Lu(%s), start = %Lu, len = %Lu,"
883 		  " empty_size = %Lu, min_bytes = %Lu", __entry->bg_objectid,
884 		  __entry->flags,
885 		  __print_flags((unsigned long)__entry->flags, "|",
886 				BTRFS_GROUP_FLAGS), __entry->start,
887 		  __entry->bytes, __entry->empty_size,  __entry->min_bytes)
888 );
889 
890 TRACE_EVENT(btrfs_failed_cluster_setup,
891 
892 	TP_PROTO(struct btrfs_block_group_cache *block_group),
893 
894 	TP_ARGS(block_group),
895 
896 	TP_STRUCT__entry(
897 		__field(	u64,	bg_objectid		)
898 	),
899 
900 	TP_fast_assign(
901 		__entry->bg_objectid	= block_group->key.objectid;
902 	),
903 
904 	TP_printk("block_group = %Lu", __entry->bg_objectid)
905 );
906 
907 TRACE_EVENT(btrfs_setup_cluster,
908 
909 	TP_PROTO(struct btrfs_block_group_cache *block_group,
910 		 struct btrfs_free_cluster *cluster, u64 size, int bitmap),
911 
912 	TP_ARGS(block_group, cluster, size, bitmap),
913 
914 	TP_STRUCT__entry(
915 		__field(	u64,	bg_objectid		)
916 		__field(	u64,	flags			)
917 		__field(	u64,	start			)
918 		__field(	u64,	max_size		)
919 		__field(	u64,	size			)
920 		__field(	int,	bitmap			)
921 	),
922 
923 	TP_fast_assign(
924 		__entry->bg_objectid	= block_group->key.objectid;
925 		__entry->flags		= block_group->flags;
926 		__entry->start		= cluster->window_start;
927 		__entry->max_size	= cluster->max_size;
928 		__entry->size		= size;
929 		__entry->bitmap		= bitmap;
930 	),
931 
932 	TP_printk("block_group = %Lu, flags = %Lu(%s), window_start = %Lu, "
933 		  "size = %Lu, max_size = %Lu, bitmap = %d",
934 		  __entry->bg_objectid,
935 		  __entry->flags,
936 		  __print_flags((unsigned long)__entry->flags, "|",
937 				BTRFS_GROUP_FLAGS), __entry->start,
938 		  __entry->size, __entry->max_size, __entry->bitmap)
939 );
940 
941 struct extent_state;
942 TRACE_EVENT(alloc_extent_state,
943 
944 	TP_PROTO(struct extent_state *state, gfp_t mask, unsigned long IP),
945 
946 	TP_ARGS(state, mask, IP),
947 
948 	TP_STRUCT__entry(
949 		__field(struct extent_state *, state)
950 		__field(gfp_t, mask)
951 		__field(unsigned long, ip)
952 	),
953 
954 	TP_fast_assign(
955 		__entry->state	= state,
956 		__entry->mask	= mask,
957 		__entry->ip	= IP
958 	),
959 
960 	TP_printk("state=%p; mask = %s; caller = %pF", __entry->state,
961 		  show_gfp_flags(__entry->mask), (void *)__entry->ip)
962 );
963 
964 TRACE_EVENT(free_extent_state,
965 
966 	TP_PROTO(struct extent_state *state, unsigned long IP),
967 
968 	TP_ARGS(state, IP),
969 
970 	TP_STRUCT__entry(
971 		__field(struct extent_state *, state)
972 		__field(unsigned long, ip)
973 	),
974 
975 	TP_fast_assign(
976 		__entry->state	= state,
977 		__entry->ip = IP
978 	),
979 
980 	TP_printk(" state=%p; caller = %pF", __entry->state,
981 		  (void *)__entry->ip)
982 );
983 
984 #endif /* _TRACE_BTRFS_H */
985 
986 /* This part must be outside protection */
987 #include <trace/define_trace.h>
988