xref: /linux/fs/bcachefs/trace.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM bcachefs
4 
5 #if !defined(_TRACE_BCACHEFS_H) || defined(TRACE_HEADER_MULTI_READ)
6 
7 #include <linux/tracepoint.h>
8 
9 #define TRACE_BPOS_entries(name)				\
10 	__field(u64,			name##_inode	)	\
11 	__field(u64,			name##_offset	)	\
12 	__field(u32,			name##_snapshot	)
13 
14 #define TRACE_BPOS_assign(dst, src)				\
15 	__entry->dst##_inode		= (src).inode;		\
16 	__entry->dst##_offset		= (src).offset;		\
17 	__entry->dst##_snapshot		= (src).snapshot
18 
19 DECLARE_EVENT_CLASS(bpos,
20 	TP_PROTO(const struct bpos *p),
21 	TP_ARGS(p),
22 
23 	TP_STRUCT__entry(
24 		TRACE_BPOS_entries(p)
25 	),
26 
27 	TP_fast_assign(
28 		TRACE_BPOS_assign(p, *p);
29 	),
30 
31 	TP_printk("%llu:%llu:%u", __entry->p_inode, __entry->p_offset, __entry->p_snapshot)
32 );
33 
34 DECLARE_EVENT_CLASS(fs_str,
35 	TP_PROTO(struct bch_fs *c, const char *str),
36 	TP_ARGS(c, str),
37 
38 	TP_STRUCT__entry(
39 		__field(dev_t,		dev			)
40 		__string(str,		str			)
41 	),
42 
43 	TP_fast_assign(
44 		__entry->dev		= c->dev;
45 		__assign_str(str);
46 	),
47 
48 	TP_printk("%d,%d\n%s", MAJOR(__entry->dev), MINOR(__entry->dev), __get_str(str))
49 );
50 
51 DECLARE_EVENT_CLASS(trans_str,
52 	TP_PROTO(struct btree_trans *trans, unsigned long caller_ip, const char *str),
53 	TP_ARGS(trans, caller_ip, str),
54 
55 	TP_STRUCT__entry(
56 		__field(dev_t,		dev			)
57 		__array(char,		trans_fn, 32		)
58 		__field(unsigned long,	caller_ip		)
59 		__string(str,		str			)
60 	),
61 
62 	TP_fast_assign(
63 		__entry->dev		= trans->c->dev;
64 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
65 		__entry->caller_ip		= caller_ip;
66 		__assign_str(str);
67 	),
68 
69 	TP_printk("%d,%d %s %pS %s",
70 		  MAJOR(__entry->dev), MINOR(__entry->dev),
71 		  __entry->trans_fn, (void *) __entry->caller_ip, __get_str(str))
72 );
73 
74 DECLARE_EVENT_CLASS(trans_str_nocaller,
75 	TP_PROTO(struct btree_trans *trans, const char *str),
76 	TP_ARGS(trans, str),
77 
78 	TP_STRUCT__entry(
79 		__field(dev_t,		dev			)
80 		__array(char,		trans_fn, 32		)
81 		__string(str,		str			)
82 	),
83 
84 	TP_fast_assign(
85 		__entry->dev		= trans->c->dev;
86 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
87 		__assign_str(str);
88 	),
89 
90 	TP_printk("%d,%d %s %s",
91 		  MAJOR(__entry->dev), MINOR(__entry->dev),
92 		  __entry->trans_fn, __get_str(str))
93 );
94 
95 DECLARE_EVENT_CLASS(btree_node_nofs,
96 	TP_PROTO(struct bch_fs *c, struct btree *b),
97 	TP_ARGS(c, b),
98 
99 	TP_STRUCT__entry(
100 		__field(dev_t,		dev			)
101 		__field(u8,		level			)
102 		__field(u8,		btree_id		)
103 		TRACE_BPOS_entries(pos)
104 	),
105 
106 	TP_fast_assign(
107 		__entry->dev		= c->dev;
108 		__entry->level		= b->c.level;
109 		__entry->btree_id	= b->c.btree_id;
110 		TRACE_BPOS_assign(pos, b->key.k.p);
111 	),
112 
113 	TP_printk("%d,%d %u %s %llu:%llu:%u",
114 		  MAJOR(__entry->dev), MINOR(__entry->dev),
115 		  __entry->level,
116 		  bch2_btree_id_str(__entry->btree_id),
117 		  __entry->pos_inode, __entry->pos_offset, __entry->pos_snapshot)
118 );
119 
120 DECLARE_EVENT_CLASS(btree_node,
121 	TP_PROTO(struct btree_trans *trans, struct btree *b),
122 	TP_ARGS(trans, b),
123 
124 	TP_STRUCT__entry(
125 		__field(dev_t,		dev			)
126 		__array(char,		trans_fn, 32		)
127 		__field(u8,		level			)
128 		__field(u8,		btree_id		)
129 		TRACE_BPOS_entries(pos)
130 	),
131 
132 	TP_fast_assign(
133 		__entry->dev		= trans->c->dev;
134 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
135 		__entry->level		= b->c.level;
136 		__entry->btree_id	= b->c.btree_id;
137 		TRACE_BPOS_assign(pos, b->key.k.p);
138 	),
139 
140 	TP_printk("%d,%d %s %u %s %llu:%llu:%u",
141 		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->trans_fn,
142 		  __entry->level,
143 		  bch2_btree_id_str(__entry->btree_id),
144 		  __entry->pos_inode, __entry->pos_offset, __entry->pos_snapshot)
145 );
146 
147 DECLARE_EVENT_CLASS(bch_fs,
148 	TP_PROTO(struct bch_fs *c),
149 	TP_ARGS(c),
150 
151 	TP_STRUCT__entry(
152 		__field(dev_t,		dev			)
153 	),
154 
155 	TP_fast_assign(
156 		__entry->dev		= c->dev;
157 	),
158 
159 	TP_printk("%d,%d", MAJOR(__entry->dev), MINOR(__entry->dev))
160 );
161 
162 DECLARE_EVENT_CLASS(btree_trans,
163 	TP_PROTO(struct btree_trans *trans),
164 	TP_ARGS(trans),
165 
166 	TP_STRUCT__entry(
167 		__field(dev_t,		dev			)
168 		__array(char,		trans_fn, 32		)
169 	),
170 
171 	TP_fast_assign(
172 		__entry->dev		= trans->c->dev;
173 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
174 	),
175 
176 	TP_printk("%d,%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->trans_fn)
177 );
178 
179 DECLARE_EVENT_CLASS(bio,
180 	TP_PROTO(struct bio *bio),
181 	TP_ARGS(bio),
182 
183 	TP_STRUCT__entry(
184 		__field(dev_t,		dev			)
185 		__field(sector_t,	sector			)
186 		__field(unsigned int,	nr_sector		)
187 		__array(char,		rwbs,	6		)
188 	),
189 
190 	TP_fast_assign(
191 		__entry->dev		= bio->bi_bdev ? bio_dev(bio) : 0;
192 		__entry->sector		= bio->bi_iter.bi_sector;
193 		__entry->nr_sector	= bio->bi_iter.bi_size >> 9;
194 		blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
195 	),
196 
197 	TP_printk("%d,%d  %s %llu + %u",
198 		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
199 		  (unsigned long long)__entry->sector, __entry->nr_sector)
200 );
201 
202 /* fs.c: */
203 TRACE_EVENT(bch2_sync_fs,
204 	TP_PROTO(struct super_block *sb, int wait),
205 
206 	TP_ARGS(sb, wait),
207 
208 	TP_STRUCT__entry(
209 		__field(	dev_t,	dev			)
210 		__field(	int,	wait			)
211 
212 	),
213 
214 	TP_fast_assign(
215 		__entry->dev	= sb->s_dev;
216 		__entry->wait	= wait;
217 	),
218 
219 	TP_printk("dev %d,%d wait %d",
220 		  MAJOR(__entry->dev), MINOR(__entry->dev),
221 		  __entry->wait)
222 );
223 
224 /* fs-io.c: */
225 TRACE_EVENT(bch2_fsync,
226 	TP_PROTO(struct file *file, int datasync),
227 
228 	TP_ARGS(file, datasync),
229 
230 	TP_STRUCT__entry(
231 		__field(	dev_t,	dev			)
232 		__field(	ino_t,	ino			)
233 		__field(	ino_t,	parent			)
234 		__field(	int,	datasync		)
235 	),
236 
237 	TP_fast_assign(
238 		struct dentry *dentry = file->f_path.dentry;
239 
240 		__entry->dev		= dentry->d_sb->s_dev;
241 		__entry->ino		= d_inode(dentry)->i_ino;
242 		__entry->parent		= d_inode(dentry->d_parent)->i_ino;
243 		__entry->datasync	= datasync;
244 	),
245 
246 	TP_printk("dev %d,%d ino %lu parent %lu datasync %d ",
247 		  MAJOR(__entry->dev), MINOR(__entry->dev),
248 		  (unsigned long) __entry->ino,
249 		  (unsigned long) __entry->parent, __entry->datasync)
250 );
251 
252 /* super-io.c: */
253 TRACE_EVENT(write_super,
254 	TP_PROTO(struct bch_fs *c, unsigned long ip),
255 	TP_ARGS(c, ip),
256 
257 	TP_STRUCT__entry(
258 		__field(dev_t,		dev	)
259 		__field(unsigned long,	ip	)
260 	),
261 
262 	TP_fast_assign(
263 		__entry->dev		= c->dev;
264 		__entry->ip		= ip;
265 	),
266 
267 	TP_printk("%d,%d for %pS",
268 		  MAJOR(__entry->dev), MINOR(__entry->dev),
269 		  (void *) __entry->ip)
270 );
271 
272 /* io.c: */
273 
274 DEFINE_EVENT(bio, read_promote,
275 	TP_PROTO(struct bio *bio),
276 	TP_ARGS(bio)
277 );
278 
279 TRACE_EVENT(read_nopromote,
280 	TP_PROTO(struct bch_fs *c, int ret),
281 	TP_ARGS(c, ret),
282 
283 	TP_STRUCT__entry(
284 		__field(dev_t,		dev		)
285 		__array(char,		ret, 32		)
286 	),
287 
288 	TP_fast_assign(
289 		__entry->dev		= c->dev;
290 		strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
291 	),
292 
293 	TP_printk("%d,%d ret %s",
294 		  MAJOR(__entry->dev), MINOR(__entry->dev),
295 		  __entry->ret)
296 );
297 
298 DEFINE_EVENT(bio, read_bounce,
299 	TP_PROTO(struct bio *bio),
300 	TP_ARGS(bio)
301 );
302 
303 DEFINE_EVENT(bio, read_split,
304 	TP_PROTO(struct bio *bio),
305 	TP_ARGS(bio)
306 );
307 
308 DEFINE_EVENT(bio, read_retry,
309 	TP_PROTO(struct bio *bio),
310 	TP_ARGS(bio)
311 );
312 
313 DEFINE_EVENT(bio, read_reuse_race,
314 	TP_PROTO(struct bio *bio),
315 	TP_ARGS(bio)
316 );
317 
318 /* Journal */
319 
320 DEFINE_EVENT(bch_fs, journal_full,
321 	TP_PROTO(struct bch_fs *c),
322 	TP_ARGS(c)
323 );
324 
325 DEFINE_EVENT(fs_str, journal_entry_full,
326 	TP_PROTO(struct bch_fs *c, const char *str),
327 	TP_ARGS(c, str)
328 );
329 
330 DEFINE_EVENT(fs_str, journal_entry_close,
331 	TP_PROTO(struct bch_fs *c, const char *str),
332 	TP_ARGS(c, str)
333 );
334 
335 DEFINE_EVENT(bio, journal_write,
336 	TP_PROTO(struct bio *bio),
337 	TP_ARGS(bio)
338 );
339 
340 TRACE_EVENT(journal_reclaim_start,
341 	TP_PROTO(struct bch_fs *c, bool direct, bool kicked,
342 		 u64 min_nr, u64 min_key_cache,
343 		 u64 btree_cache_dirty, u64 btree_cache_total,
344 		 u64 btree_key_cache_dirty, u64 btree_key_cache_total),
345 	TP_ARGS(c, direct, kicked, min_nr, min_key_cache,
346 		btree_cache_dirty, btree_cache_total,
347 		btree_key_cache_dirty, btree_key_cache_total),
348 
349 	TP_STRUCT__entry(
350 		__field(dev_t,		dev			)
351 		__field(bool,		direct			)
352 		__field(bool,		kicked			)
353 		__field(u64,		min_nr			)
354 		__field(u64,		min_key_cache		)
355 		__field(u64,		btree_cache_dirty	)
356 		__field(u64,		btree_cache_total	)
357 		__field(u64,		btree_key_cache_dirty	)
358 		__field(u64,		btree_key_cache_total	)
359 	),
360 
361 	TP_fast_assign(
362 		__entry->dev			= c->dev;
363 		__entry->direct			= direct;
364 		__entry->kicked			= kicked;
365 		__entry->min_nr			= min_nr;
366 		__entry->min_key_cache		= min_key_cache;
367 		__entry->btree_cache_dirty	= btree_cache_dirty;
368 		__entry->btree_cache_total	= btree_cache_total;
369 		__entry->btree_key_cache_dirty	= btree_key_cache_dirty;
370 		__entry->btree_key_cache_total	= btree_key_cache_total;
371 	),
372 
373 	TP_printk("%d,%d direct %u kicked %u min %llu key cache %llu btree cache %llu/%llu key cache %llu/%llu",
374 		  MAJOR(__entry->dev), MINOR(__entry->dev),
375 		  __entry->direct,
376 		  __entry->kicked,
377 		  __entry->min_nr,
378 		  __entry->min_key_cache,
379 		  __entry->btree_cache_dirty,
380 		  __entry->btree_cache_total,
381 		  __entry->btree_key_cache_dirty,
382 		  __entry->btree_key_cache_total)
383 );
384 
385 TRACE_EVENT(journal_reclaim_finish,
386 	TP_PROTO(struct bch_fs *c, u64 nr_flushed),
387 	TP_ARGS(c, nr_flushed),
388 
389 	TP_STRUCT__entry(
390 		__field(dev_t,		dev			)
391 		__field(u64,		nr_flushed		)
392 	),
393 
394 	TP_fast_assign(
395 		__entry->dev		= c->dev;
396 		__entry->nr_flushed	= nr_flushed;
397 	),
398 
399 	TP_printk("%d,%d flushed %llu",
400 		  MAJOR(__entry->dev), MINOR(__entry->dev),
401 		  __entry->nr_flushed)
402 );
403 
404 /* bset.c: */
405 
406 DEFINE_EVENT(bpos, bkey_pack_pos_fail,
407 	TP_PROTO(const struct bpos *p),
408 	TP_ARGS(p)
409 );
410 
411 /* Btree cache: */
412 
413 TRACE_EVENT(btree_cache_scan,
414 	TP_PROTO(long nr_to_scan, long can_free, long ret),
415 	TP_ARGS(nr_to_scan, can_free, ret),
416 
417 	TP_STRUCT__entry(
418 		__field(long,	nr_to_scan		)
419 		__field(long,	can_free		)
420 		__field(long,	ret			)
421 	),
422 
423 	TP_fast_assign(
424 		__entry->nr_to_scan	= nr_to_scan;
425 		__entry->can_free	= can_free;
426 		__entry->ret		= ret;
427 	),
428 
429 	TP_printk("scanned for %li nodes, can free %li, ret %li",
430 		  __entry->nr_to_scan, __entry->can_free, __entry->ret)
431 );
432 
433 DEFINE_EVENT(btree_node_nofs, btree_cache_reap,
434 	TP_PROTO(struct bch_fs *c, struct btree *b),
435 	TP_ARGS(c, b)
436 );
437 
438 DEFINE_EVENT(btree_trans, btree_cache_cannibalize_lock_fail,
439 	TP_PROTO(struct btree_trans *trans),
440 	TP_ARGS(trans)
441 );
442 
443 DEFINE_EVENT(btree_trans, btree_cache_cannibalize_lock,
444 	TP_PROTO(struct btree_trans *trans),
445 	TP_ARGS(trans)
446 );
447 
448 DEFINE_EVENT(btree_trans, btree_cache_cannibalize,
449 	TP_PROTO(struct btree_trans *trans),
450 	TP_ARGS(trans)
451 );
452 
453 DEFINE_EVENT(btree_trans, btree_cache_cannibalize_unlock,
454 	TP_PROTO(struct btree_trans *trans),
455 	TP_ARGS(trans)
456 );
457 
458 /* Btree */
459 
460 DEFINE_EVENT(btree_node, btree_node_read,
461 	TP_PROTO(struct btree_trans *trans, struct btree *b),
462 	TP_ARGS(trans, b)
463 );
464 
465 TRACE_EVENT(btree_node_write,
466 	TP_PROTO(struct btree *b, unsigned bytes, unsigned sectors),
467 	TP_ARGS(b, bytes, sectors),
468 
469 	TP_STRUCT__entry(
470 		__field(enum btree_node_type,	type)
471 		__field(unsigned,	bytes			)
472 		__field(unsigned,	sectors			)
473 	),
474 
475 	TP_fast_assign(
476 		__entry->type	= btree_node_type(b);
477 		__entry->bytes	= bytes;
478 		__entry->sectors = sectors;
479 	),
480 
481 	TP_printk("bkey type %u bytes %u sectors %u",
482 		  __entry->type , __entry->bytes, __entry->sectors)
483 );
484 
485 DEFINE_EVENT(btree_node, btree_node_alloc,
486 	TP_PROTO(struct btree_trans *trans, struct btree *b),
487 	TP_ARGS(trans, b)
488 );
489 
490 DEFINE_EVENT(btree_node, btree_node_free,
491 	TP_PROTO(struct btree_trans *trans, struct btree *b),
492 	TP_ARGS(trans, b)
493 );
494 
495 TRACE_EVENT(btree_reserve_get_fail,
496 	TP_PROTO(const char *trans_fn,
497 		 unsigned long caller_ip,
498 		 size_t required,
499 		 int ret),
500 	TP_ARGS(trans_fn, caller_ip, required, ret),
501 
502 	TP_STRUCT__entry(
503 		__array(char,			trans_fn, 32	)
504 		__field(unsigned long,		caller_ip	)
505 		__field(size_t,			required	)
506 		__array(char,			ret, 32		)
507 	),
508 
509 	TP_fast_assign(
510 		strscpy(__entry->trans_fn, trans_fn, sizeof(__entry->trans_fn));
511 		__entry->caller_ip	= caller_ip;
512 		__entry->required	= required;
513 		strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
514 	),
515 
516 	TP_printk("%s %pS required %zu ret %s",
517 		  __entry->trans_fn,
518 		  (void *) __entry->caller_ip,
519 		  __entry->required,
520 		  __entry->ret)
521 );
522 
523 DEFINE_EVENT(btree_node, btree_node_compact,
524 	TP_PROTO(struct btree_trans *trans, struct btree *b),
525 	TP_ARGS(trans, b)
526 );
527 
528 DEFINE_EVENT(btree_node, btree_node_merge,
529 	TP_PROTO(struct btree_trans *trans, struct btree *b),
530 	TP_ARGS(trans, b)
531 );
532 
533 DEFINE_EVENT(btree_node, btree_node_split,
534 	TP_PROTO(struct btree_trans *trans, struct btree *b),
535 	TP_ARGS(trans, b)
536 );
537 
538 DEFINE_EVENT(btree_node, btree_node_rewrite,
539 	TP_PROTO(struct btree_trans *trans, struct btree *b),
540 	TP_ARGS(trans, b)
541 );
542 
543 DEFINE_EVENT(btree_node, btree_node_set_root,
544 	TP_PROTO(struct btree_trans *trans, struct btree *b),
545 	TP_ARGS(trans, b)
546 );
547 
548 TRACE_EVENT(btree_path_relock_fail,
549 	TP_PROTO(struct btree_trans *trans,
550 		 unsigned long caller_ip,
551 		 struct btree_path *path,
552 		 unsigned level),
553 	TP_ARGS(trans, caller_ip, path, level),
554 
555 	TP_STRUCT__entry(
556 		__array(char,			trans_fn, 32	)
557 		__field(unsigned long,		caller_ip	)
558 		__field(u8,			btree_id	)
559 		__field(u8,			level		)
560 		__field(u8,			path_idx)
561 		TRACE_BPOS_entries(pos)
562 		__array(char,			node, 24	)
563 		__field(u8,			self_read_count	)
564 		__field(u8,			self_intent_count)
565 		__field(u8,			read_count	)
566 		__field(u8,			intent_count	)
567 		__field(u32,			iter_lock_seq	)
568 		__field(u32,			node_lock_seq	)
569 	),
570 
571 	TP_fast_assign(
572 		struct btree *b = btree_path_node(path, level);
573 		struct six_lock_count c;
574 
575 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
576 		__entry->caller_ip		= caller_ip;
577 		__entry->btree_id		= path->btree_id;
578 		__entry->level			= level;
579 		__entry->path_idx		= path - trans->paths;
580 		TRACE_BPOS_assign(pos, path->pos);
581 
582 		c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level);
583 		__entry->self_read_count	= c.n[SIX_LOCK_read];
584 		__entry->self_intent_count	= c.n[SIX_LOCK_intent];
585 
586 		if (IS_ERR(b)) {
587 			strscpy(__entry->node, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node));
588 		} else {
589 			c = six_lock_counts(&path->l[level].b->c.lock);
590 			__entry->read_count	= c.n[SIX_LOCK_read];
591 			__entry->intent_count	= c.n[SIX_LOCK_intent];
592 			scnprintf(__entry->node, sizeof(__entry->node), "%px", &b->c);
593 		}
594 		__entry->iter_lock_seq		= path->l[level].lock_seq;
595 		__entry->node_lock_seq		= is_btree_node(path, level)
596 			? six_lock_seq(&path->l[level].b->c.lock)
597 			: 0;
598 	),
599 
600 	TP_printk("%s %pS\nidx %2u btree %s pos %llu:%llu:%u level %u node %s held %u:%u lock count %u:%u iter seq %u lock seq %u",
601 		  __entry->trans_fn,
602 		  (void *) __entry->caller_ip,
603 		  __entry->path_idx,
604 		  bch2_btree_id_str(__entry->btree_id),
605 		  __entry->pos_inode,
606 		  __entry->pos_offset,
607 		  __entry->pos_snapshot,
608 		  __entry->level,
609 		  __entry->node,
610 		  __entry->self_read_count,
611 		  __entry->self_intent_count,
612 		  __entry->read_count,
613 		  __entry->intent_count,
614 		  __entry->iter_lock_seq,
615 		  __entry->node_lock_seq)
616 );
617 
618 TRACE_EVENT(btree_path_upgrade_fail,
619 	TP_PROTO(struct btree_trans *trans,
620 		 unsigned long caller_ip,
621 		 struct btree_path *path,
622 		 unsigned level),
623 	TP_ARGS(trans, caller_ip, path, level),
624 
625 	TP_STRUCT__entry(
626 		__array(char,			trans_fn, 32	)
627 		__field(unsigned long,		caller_ip	)
628 		__field(u8,			btree_id	)
629 		__field(u8,			level		)
630 		__field(u8,			path_idx)
631 		TRACE_BPOS_entries(pos)
632 		__field(u8,			locked		)
633 		__field(u8,			self_read_count	)
634 		__field(u8,			self_intent_count)
635 		__field(u8,			read_count	)
636 		__field(u8,			intent_count	)
637 		__field(u32,			iter_lock_seq	)
638 		__field(u32,			node_lock_seq	)
639 	),
640 
641 	TP_fast_assign(
642 		struct six_lock_count c;
643 
644 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
645 		__entry->caller_ip		= caller_ip;
646 		__entry->btree_id		= path->btree_id;
647 		__entry->level			= level;
648 		__entry->path_idx		= path - trans->paths;
649 		TRACE_BPOS_assign(pos, path->pos);
650 		__entry->locked			= btree_node_locked(path, level);
651 
652 		c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
653 		__entry->self_read_count	= c.n[SIX_LOCK_read];
654 		__entry->self_intent_count	= c.n[SIX_LOCK_intent];
655 		c = six_lock_counts(&path->l[level].b->c.lock);
656 		__entry->read_count		= c.n[SIX_LOCK_read];
657 		__entry->intent_count		= c.n[SIX_LOCK_intent];
658 		__entry->iter_lock_seq		= path->l[level].lock_seq;
659 		__entry->node_lock_seq		= is_btree_node(path, level)
660 			? six_lock_seq(&path->l[level].b->c.lock)
661 			: 0;
662 	),
663 
664 	TP_printk("%s %pS\nidx %2u btree %s pos %llu:%llu:%u level %u locked %u held %u:%u lock count %u:%u iter seq %u lock seq %u",
665 		  __entry->trans_fn,
666 		  (void *) __entry->caller_ip,
667 		  __entry->path_idx,
668 		  bch2_btree_id_str(__entry->btree_id),
669 		  __entry->pos_inode,
670 		  __entry->pos_offset,
671 		  __entry->pos_snapshot,
672 		  __entry->level,
673 		  __entry->locked,
674 		  __entry->self_read_count,
675 		  __entry->self_intent_count,
676 		  __entry->read_count,
677 		  __entry->intent_count,
678 		  __entry->iter_lock_seq,
679 		  __entry->node_lock_seq)
680 );
681 
682 /* Garbage collection */
683 
684 DEFINE_EVENT(bch_fs, gc_gens_start,
685 	TP_PROTO(struct bch_fs *c),
686 	TP_ARGS(c)
687 );
688 
689 DEFINE_EVENT(bch_fs, gc_gens_end,
690 	TP_PROTO(struct bch_fs *c),
691 	TP_ARGS(c)
692 );
693 
694 /* Allocator */
695 
696 DEFINE_EVENT(fs_str, bucket_alloc,
697 	TP_PROTO(struct bch_fs *c, const char *str),
698 	TP_ARGS(c, str)
699 );
700 
701 DEFINE_EVENT(fs_str, bucket_alloc_fail,
702 	TP_PROTO(struct bch_fs *c, const char *str),
703 	TP_ARGS(c, str)
704 );
705 
706 TRACE_EVENT(discard_buckets,
707 	TP_PROTO(struct bch_fs *c, u64 seen, u64 open,
708 		 u64 need_journal_commit, u64 discarded, const char *err),
709 	TP_ARGS(c, seen, open, need_journal_commit, discarded, err),
710 
711 	TP_STRUCT__entry(
712 		__field(dev_t,		dev			)
713 		__field(u64,		seen			)
714 		__field(u64,		open			)
715 		__field(u64,		need_journal_commit	)
716 		__field(u64,		discarded		)
717 		__array(char,		err,	16		)
718 	),
719 
720 	TP_fast_assign(
721 		__entry->dev			= c->dev;
722 		__entry->seen			= seen;
723 		__entry->open			= open;
724 		__entry->need_journal_commit	= need_journal_commit;
725 		__entry->discarded		= discarded;
726 		strscpy(__entry->err, err, sizeof(__entry->err));
727 	),
728 
729 	TP_printk("%d%d seen %llu open %llu need_journal_commit %llu discarded %llu err %s",
730 		  MAJOR(__entry->dev), MINOR(__entry->dev),
731 		  __entry->seen,
732 		  __entry->open,
733 		  __entry->need_journal_commit,
734 		  __entry->discarded,
735 		  __entry->err)
736 );
737 
738 TRACE_EVENT(bucket_invalidate,
739 	TP_PROTO(struct bch_fs *c, unsigned dev, u64 bucket, u32 sectors),
740 	TP_ARGS(c, dev, bucket, sectors),
741 
742 	TP_STRUCT__entry(
743 		__field(dev_t,		dev			)
744 		__field(u32,		dev_idx			)
745 		__field(u32,		sectors			)
746 		__field(u64,		bucket			)
747 	),
748 
749 	TP_fast_assign(
750 		__entry->dev		= c->dev;
751 		__entry->dev_idx	= dev;
752 		__entry->sectors	= sectors;
753 		__entry->bucket		= bucket;
754 	),
755 
756 	TP_printk("%d:%d invalidated %u:%llu cached sectors %u",
757 		  MAJOR(__entry->dev), MINOR(__entry->dev),
758 		  __entry->dev_idx, __entry->bucket,
759 		  __entry->sectors)
760 );
761 
762 /* Moving IO */
763 
764 TRACE_EVENT(bucket_evacuate,
765 	TP_PROTO(struct bch_fs *c, struct bpos *bucket),
766 	TP_ARGS(c, bucket),
767 
768 	TP_STRUCT__entry(
769 		__field(dev_t,		dev			)
770 		__field(u32,		dev_idx			)
771 		__field(u64,		bucket			)
772 	),
773 
774 	TP_fast_assign(
775 		__entry->dev		= c->dev;
776 		__entry->dev_idx	= bucket->inode;
777 		__entry->bucket		= bucket->offset;
778 	),
779 
780 	TP_printk("%d:%d %u:%llu",
781 		  MAJOR(__entry->dev), MINOR(__entry->dev),
782 		  __entry->dev_idx, __entry->bucket)
783 );
784 
785 DEFINE_EVENT(fs_str, move_extent,
786 	TP_PROTO(struct bch_fs *c, const char *str),
787 	TP_ARGS(c, str)
788 );
789 
790 DEFINE_EVENT(fs_str, move_extent_read,
791 	TP_PROTO(struct bch_fs *c, const char *str),
792 	TP_ARGS(c, str)
793 );
794 
795 DEFINE_EVENT(fs_str, move_extent_write,
796 	TP_PROTO(struct bch_fs *c, const char *str),
797 	TP_ARGS(c, str)
798 );
799 
800 DEFINE_EVENT(fs_str, move_extent_finish,
801 	TP_PROTO(struct bch_fs *c, const char *str),
802 	TP_ARGS(c, str)
803 );
804 
805 DEFINE_EVENT(fs_str, move_extent_fail,
806 	TP_PROTO(struct bch_fs *c, const char *str),
807 	TP_ARGS(c, str)
808 );
809 
810 DEFINE_EVENT(fs_str, move_extent_start_fail,
811 	TP_PROTO(struct bch_fs *c, const char *str),
812 	TP_ARGS(c, str)
813 );
814 
815 TRACE_EVENT(move_data,
816 	TP_PROTO(struct bch_fs *c,
817 		 struct bch_move_stats *stats),
818 	TP_ARGS(c, stats),
819 
820 	TP_STRUCT__entry(
821 		__field(dev_t,		dev		)
822 		__field(u64,		keys_moved	)
823 		__field(u64,		keys_raced	)
824 		__field(u64,		sectors_seen	)
825 		__field(u64,		sectors_moved	)
826 		__field(u64,		sectors_raced	)
827 	),
828 
829 	TP_fast_assign(
830 		__entry->dev		= c->dev;
831 		__entry->keys_moved	= atomic64_read(&stats->keys_moved);
832 		__entry->keys_raced	= atomic64_read(&stats->keys_raced);
833 		__entry->sectors_seen	= atomic64_read(&stats->sectors_seen);
834 		__entry->sectors_moved	= atomic64_read(&stats->sectors_moved);
835 		__entry->sectors_raced	= atomic64_read(&stats->sectors_raced);
836 	),
837 
838 	TP_printk("%d,%d keys moved %llu raced %llu"
839 		  "sectors seen %llu moved %llu raced %llu",
840 		  MAJOR(__entry->dev), MINOR(__entry->dev),
841 		  __entry->keys_moved,
842 		  __entry->keys_raced,
843 		  __entry->sectors_seen,
844 		  __entry->sectors_moved,
845 		  __entry->sectors_raced)
846 );
847 
848 TRACE_EVENT(evacuate_bucket,
849 	TP_PROTO(struct bch_fs *c, struct bpos *bucket,
850 		 unsigned sectors, unsigned bucket_size,
851 		 u64 fragmentation, int ret),
852 	TP_ARGS(c, bucket, sectors, bucket_size, fragmentation, ret),
853 
854 	TP_STRUCT__entry(
855 		__field(dev_t,		dev		)
856 		__field(u64,		member		)
857 		__field(u64,		bucket		)
858 		__field(u32,		sectors		)
859 		__field(u32,		bucket_size	)
860 		__field(u64,		fragmentation	)
861 		__field(int,		ret		)
862 	),
863 
864 	TP_fast_assign(
865 		__entry->dev			= c->dev;
866 		__entry->member			= bucket->inode;
867 		__entry->bucket			= bucket->offset;
868 		__entry->sectors		= sectors;
869 		__entry->bucket_size		= bucket_size;
870 		__entry->fragmentation		= fragmentation;
871 		__entry->ret			= ret;
872 	),
873 
874 	TP_printk("%d,%d %llu:%llu sectors %u/%u fragmentation %llu ret %i",
875 		  MAJOR(__entry->dev), MINOR(__entry->dev),
876 		  __entry->member, __entry->bucket,
877 		  __entry->sectors, __entry->bucket_size,
878 		  __entry->fragmentation, __entry->ret)
879 );
880 
881 TRACE_EVENT(copygc,
882 	TP_PROTO(struct bch_fs *c,
883 		 u64 sectors_moved, u64 sectors_not_moved,
884 		 u64 buckets_moved, u64 buckets_not_moved),
885 	TP_ARGS(c,
886 		sectors_moved, sectors_not_moved,
887 		buckets_moved, buckets_not_moved),
888 
889 	TP_STRUCT__entry(
890 		__field(dev_t,		dev			)
891 		__field(u64,		sectors_moved		)
892 		__field(u64,		sectors_not_moved	)
893 		__field(u64,		buckets_moved		)
894 		__field(u64,		buckets_not_moved	)
895 	),
896 
897 	TP_fast_assign(
898 		__entry->dev			= c->dev;
899 		__entry->sectors_moved		= sectors_moved;
900 		__entry->sectors_not_moved	= sectors_not_moved;
901 		__entry->buckets_moved		= buckets_moved;
902 		__entry->buckets_not_moved = buckets_moved;
903 	),
904 
905 	TP_printk("%d,%d sectors moved %llu remain %llu buckets moved %llu remain %llu",
906 		  MAJOR(__entry->dev), MINOR(__entry->dev),
907 		  __entry->sectors_moved, __entry->sectors_not_moved,
908 		  __entry->buckets_moved, __entry->buckets_not_moved)
909 );
910 
911 TRACE_EVENT(copygc_wait,
912 	TP_PROTO(struct bch_fs *c,
913 		 u64 wait_amount, u64 until),
914 	TP_ARGS(c, wait_amount, until),
915 
916 	TP_STRUCT__entry(
917 		__field(dev_t,		dev			)
918 		__field(u64,		wait_amount		)
919 		__field(u64,		until			)
920 	),
921 
922 	TP_fast_assign(
923 		__entry->dev		= c->dev;
924 		__entry->wait_amount	= wait_amount;
925 		__entry->until		= until;
926 	),
927 
928 	TP_printk("%d,%u waiting for %llu sectors until %llu",
929 		  MAJOR(__entry->dev), MINOR(__entry->dev),
930 		  __entry->wait_amount, __entry->until)
931 );
932 
933 /* btree transactions: */
934 
935 DECLARE_EVENT_CLASS(transaction_event,
936 	TP_PROTO(struct btree_trans *trans,
937 		 unsigned long caller_ip),
938 	TP_ARGS(trans, caller_ip),
939 
940 	TP_STRUCT__entry(
941 		__array(char,			trans_fn, 32	)
942 		__field(unsigned long,		caller_ip	)
943 	),
944 
945 	TP_fast_assign(
946 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
947 		__entry->caller_ip		= caller_ip;
948 	),
949 
950 	TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
951 );
952 
953 DEFINE_EVENT(transaction_event,	transaction_commit,
954 	TP_PROTO(struct btree_trans *trans,
955 		 unsigned long caller_ip),
956 	TP_ARGS(trans, caller_ip)
957 );
958 
959 DEFINE_EVENT(transaction_event,	trans_restart_injected,
960 	TP_PROTO(struct btree_trans *trans,
961 		 unsigned long caller_ip),
962 	TP_ARGS(trans, caller_ip)
963 );
964 
965 TRACE_EVENT(trans_restart_split_race,
966 	TP_PROTO(struct btree_trans *trans,
967 		 unsigned long caller_ip,
968 		 struct btree *b),
969 	TP_ARGS(trans, caller_ip, b),
970 
971 	TP_STRUCT__entry(
972 		__array(char,			trans_fn, 32	)
973 		__field(unsigned long,		caller_ip	)
974 		__field(u8,			level		)
975 		__field(u16,			written		)
976 		__field(u16,			blocks		)
977 		__field(u16,			u64s_remaining	)
978 	),
979 
980 	TP_fast_assign(
981 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
982 		__entry->caller_ip		= caller_ip;
983 		__entry->level		= b->c.level;
984 		__entry->written	= b->written;
985 		__entry->blocks		= btree_blocks(trans->c);
986 		__entry->u64s_remaining	= bch2_btree_keys_u64s_remaining(b);
987 	),
988 
989 	TP_printk("%s %pS l=%u written %u/%u u64s remaining %u",
990 		  __entry->trans_fn, (void *) __entry->caller_ip,
991 		  __entry->level,
992 		  __entry->written, __entry->blocks,
993 		  __entry->u64s_remaining)
994 );
995 
996 TRACE_EVENT(trans_blocked_journal_reclaim,
997 	TP_PROTO(struct btree_trans *trans,
998 		 unsigned long caller_ip),
999 	TP_ARGS(trans, caller_ip),
1000 
1001 	TP_STRUCT__entry(
1002 		__array(char,			trans_fn, 32	)
1003 		__field(unsigned long,		caller_ip	)
1004 
1005 		__field(unsigned long,		key_cache_nr_keys	)
1006 		__field(unsigned long,		key_cache_nr_dirty	)
1007 		__field(long,			must_wait		)
1008 	),
1009 
1010 	TP_fast_assign(
1011 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1012 		__entry->caller_ip		= caller_ip;
1013 		__entry->key_cache_nr_keys	= atomic_long_read(&trans->c->btree_key_cache.nr_keys);
1014 		__entry->key_cache_nr_dirty	= atomic_long_read(&trans->c->btree_key_cache.nr_dirty);
1015 		__entry->must_wait		= __bch2_btree_key_cache_must_wait(trans->c);
1016 	),
1017 
1018 	TP_printk("%s %pS key cache keys %lu dirty %lu must_wait %li",
1019 		  __entry->trans_fn, (void *) __entry->caller_ip,
1020 		  __entry->key_cache_nr_keys,
1021 		  __entry->key_cache_nr_dirty,
1022 		  __entry->must_wait)
1023 );
1024 
1025 TRACE_EVENT(trans_restart_journal_preres_get,
1026 	TP_PROTO(struct btree_trans *trans,
1027 		 unsigned long caller_ip,
1028 		 unsigned flags),
1029 	TP_ARGS(trans, caller_ip, flags),
1030 
1031 	TP_STRUCT__entry(
1032 		__array(char,			trans_fn, 32	)
1033 		__field(unsigned long,		caller_ip	)
1034 		__field(unsigned,		flags		)
1035 	),
1036 
1037 	TP_fast_assign(
1038 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1039 		__entry->caller_ip		= caller_ip;
1040 		__entry->flags			= flags;
1041 	),
1042 
1043 	TP_printk("%s %pS %x", __entry->trans_fn,
1044 		  (void *) __entry->caller_ip,
1045 		  __entry->flags)
1046 );
1047 
1048 DEFINE_EVENT(transaction_event,	trans_restart_fault_inject,
1049 	TP_PROTO(struct btree_trans *trans,
1050 		 unsigned long caller_ip),
1051 	TP_ARGS(trans, caller_ip)
1052 );
1053 
1054 DEFINE_EVENT(transaction_event,	trans_traverse_all,
1055 	TP_PROTO(struct btree_trans *trans,
1056 		 unsigned long caller_ip),
1057 	TP_ARGS(trans, caller_ip)
1058 );
1059 
1060 DEFINE_EVENT(transaction_event,	trans_restart_key_cache_raced,
1061 	TP_PROTO(struct btree_trans *trans,
1062 		 unsigned long caller_ip),
1063 	TP_ARGS(trans, caller_ip)
1064 );
1065 
1066 DEFINE_EVENT(trans_str, trans_restart_too_many_iters,
1067 	TP_PROTO(struct btree_trans *trans,
1068 		 unsigned long caller_ip,
1069 		 const char *paths),
1070 	TP_ARGS(trans, caller_ip, paths)
1071 );
1072 
1073 DECLARE_EVENT_CLASS(transaction_restart_iter,
1074 	TP_PROTO(struct btree_trans *trans,
1075 		 unsigned long caller_ip,
1076 		 struct btree_path *path),
1077 	TP_ARGS(trans, caller_ip, path),
1078 
1079 	TP_STRUCT__entry(
1080 		__array(char,			trans_fn, 32	)
1081 		__field(unsigned long,		caller_ip	)
1082 		__field(u8,			btree_id	)
1083 		TRACE_BPOS_entries(pos)
1084 	),
1085 
1086 	TP_fast_assign(
1087 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1088 		__entry->caller_ip		= caller_ip;
1089 		__entry->btree_id		= path->btree_id;
1090 		TRACE_BPOS_assign(pos, path->pos)
1091 	),
1092 
1093 	TP_printk("%s %pS btree %s pos %llu:%llu:%u",
1094 		  __entry->trans_fn,
1095 		  (void *) __entry->caller_ip,
1096 		  bch2_btree_id_str(__entry->btree_id),
1097 		  __entry->pos_inode,
1098 		  __entry->pos_offset,
1099 		  __entry->pos_snapshot)
1100 );
1101 
1102 DEFINE_EVENT(transaction_restart_iter,	trans_restart_btree_node_reused,
1103 	TP_PROTO(struct btree_trans *trans,
1104 		 unsigned long caller_ip,
1105 		 struct btree_path *path),
1106 	TP_ARGS(trans, caller_ip, path)
1107 );
1108 
1109 DEFINE_EVENT(transaction_restart_iter,	trans_restart_btree_node_split,
1110 	TP_PROTO(struct btree_trans *trans,
1111 		 unsigned long caller_ip,
1112 		 struct btree_path *path),
1113 	TP_ARGS(trans, caller_ip, path)
1114 );
1115 
1116 TRACE_EVENT(trans_restart_upgrade,
1117 	TP_PROTO(struct btree_trans *trans,
1118 		 unsigned long caller_ip,
1119 		 struct btree_path *path,
1120 		 unsigned old_locks_want,
1121 		 unsigned new_locks_want,
1122 		 struct get_locks_fail *f),
1123 	TP_ARGS(trans, caller_ip, path, old_locks_want, new_locks_want, f),
1124 
1125 	TP_STRUCT__entry(
1126 		__array(char,			trans_fn, 32	)
1127 		__field(unsigned long,		caller_ip	)
1128 		__field(u8,			btree_id	)
1129 		__field(u8,			old_locks_want	)
1130 		__field(u8,			new_locks_want	)
1131 		__field(u8,			level		)
1132 		__field(u32,			path_seq	)
1133 		__field(u32,			node_seq	)
1134 		TRACE_BPOS_entries(pos)
1135 	),
1136 
1137 	TP_fast_assign(
1138 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1139 		__entry->caller_ip		= caller_ip;
1140 		__entry->btree_id		= path->btree_id;
1141 		__entry->old_locks_want		= old_locks_want;
1142 		__entry->new_locks_want		= new_locks_want;
1143 		__entry->level			= f->l;
1144 		__entry->path_seq		= path->l[f->l].lock_seq;
1145 		__entry->node_seq		= IS_ERR_OR_NULL(f->b) ? 0 : f->b->c.lock.seq;
1146 		TRACE_BPOS_assign(pos, path->pos)
1147 	),
1148 
1149 	TP_printk("%s %pS btree %s pos %llu:%llu:%u locks_want %u -> %u level %u path seq %u node seq %u",
1150 		  __entry->trans_fn,
1151 		  (void *) __entry->caller_ip,
1152 		  bch2_btree_id_str(__entry->btree_id),
1153 		  __entry->pos_inode,
1154 		  __entry->pos_offset,
1155 		  __entry->pos_snapshot,
1156 		  __entry->old_locks_want,
1157 		  __entry->new_locks_want,
1158 		  __entry->level,
1159 		  __entry->path_seq,
1160 		  __entry->node_seq)
1161 );
1162 
1163 DEFINE_EVENT(trans_str,	trans_restart_relock,
1164 	TP_PROTO(struct btree_trans *trans, unsigned long caller_ip, const char *str),
1165 	TP_ARGS(trans, caller_ip, str)
1166 );
1167 
1168 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_next_node,
1169 	TP_PROTO(struct btree_trans *trans,
1170 		 unsigned long caller_ip,
1171 		 struct btree_path *path),
1172 	TP_ARGS(trans, caller_ip, path)
1173 );
1174 
1175 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_parent_for_fill,
1176 	TP_PROTO(struct btree_trans *trans,
1177 		 unsigned long caller_ip,
1178 		 struct btree_path *path),
1179 	TP_ARGS(trans, caller_ip, path)
1180 );
1181 
1182 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_after_fill,
1183 	TP_PROTO(struct btree_trans *trans,
1184 		 unsigned long caller_ip,
1185 		 struct btree_path *path),
1186 	TP_ARGS(trans, caller_ip, path)
1187 );
1188 
1189 DEFINE_EVENT(transaction_event,	trans_restart_key_cache_upgrade,
1190 	TP_PROTO(struct btree_trans *trans,
1191 		 unsigned long caller_ip),
1192 	TP_ARGS(trans, caller_ip)
1193 );
1194 
1195 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_key_cache_fill,
1196 	TP_PROTO(struct btree_trans *trans,
1197 		 unsigned long caller_ip,
1198 		 struct btree_path *path),
1199 	TP_ARGS(trans, caller_ip, path)
1200 );
1201 
1202 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_path,
1203 	TP_PROTO(struct btree_trans *trans,
1204 		 unsigned long caller_ip,
1205 		 struct btree_path *path),
1206 	TP_ARGS(trans, caller_ip, path)
1207 );
1208 
1209 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_path_intent,
1210 	TP_PROTO(struct btree_trans *trans,
1211 		 unsigned long caller_ip,
1212 		 struct btree_path *path),
1213 	TP_ARGS(trans, caller_ip, path)
1214 );
1215 
1216 DEFINE_EVENT(transaction_restart_iter,	trans_restart_traverse,
1217 	TP_PROTO(struct btree_trans *trans,
1218 		 unsigned long caller_ip,
1219 		 struct btree_path *path),
1220 	TP_ARGS(trans, caller_ip, path)
1221 );
1222 
1223 DEFINE_EVENT(transaction_restart_iter,	trans_restart_memory_allocation_failure,
1224 	TP_PROTO(struct btree_trans *trans,
1225 		 unsigned long caller_ip,
1226 		 struct btree_path *path),
1227 	TP_ARGS(trans, caller_ip, path)
1228 );
1229 
1230 DEFINE_EVENT(trans_str_nocaller, trans_restart_would_deadlock,
1231 	TP_PROTO(struct btree_trans *trans,
1232 		 const char *cycle),
1233 	TP_ARGS(trans, cycle)
1234 );
1235 
1236 DEFINE_EVENT(transaction_event,	trans_restart_would_deadlock_recursion_limit,
1237 	TP_PROTO(struct btree_trans *trans,
1238 		 unsigned long caller_ip),
1239 	TP_ARGS(trans, caller_ip)
1240 );
1241 
1242 TRACE_EVENT(trans_restart_would_deadlock_write,
1243 	TP_PROTO(struct btree_trans *trans),
1244 	TP_ARGS(trans),
1245 
1246 	TP_STRUCT__entry(
1247 		__array(char,			trans_fn, 32	)
1248 	),
1249 
1250 	TP_fast_assign(
1251 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1252 	),
1253 
1254 	TP_printk("%s", __entry->trans_fn)
1255 );
1256 
1257 TRACE_EVENT(trans_restart_mem_realloced,
1258 	TP_PROTO(struct btree_trans *trans,
1259 		 unsigned long caller_ip,
1260 		 unsigned long bytes),
1261 	TP_ARGS(trans, caller_ip, bytes),
1262 
1263 	TP_STRUCT__entry(
1264 		__array(char,			trans_fn, 32	)
1265 		__field(unsigned long,		caller_ip	)
1266 		__field(unsigned long,		bytes		)
1267 	),
1268 
1269 	TP_fast_assign(
1270 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1271 		__entry->caller_ip	= caller_ip;
1272 		__entry->bytes		= bytes;
1273 	),
1274 
1275 	TP_printk("%s %pS bytes %lu",
1276 		  __entry->trans_fn,
1277 		  (void *) __entry->caller_ip,
1278 		  __entry->bytes)
1279 );
1280 
1281 TRACE_EVENT(trans_restart_key_cache_key_realloced,
1282 	TP_PROTO(struct btree_trans *trans,
1283 		 unsigned long caller_ip,
1284 		 struct btree_path *path,
1285 		 unsigned old_u64s,
1286 		 unsigned new_u64s),
1287 	TP_ARGS(trans, caller_ip, path, old_u64s, new_u64s),
1288 
1289 	TP_STRUCT__entry(
1290 		__array(char,			trans_fn, 32	)
1291 		__field(unsigned long,		caller_ip	)
1292 		__field(enum btree_id,		btree_id	)
1293 		TRACE_BPOS_entries(pos)
1294 		__field(u32,			old_u64s	)
1295 		__field(u32,			new_u64s	)
1296 	),
1297 
1298 	TP_fast_assign(
1299 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1300 		__entry->caller_ip		= caller_ip;
1301 
1302 		__entry->btree_id	= path->btree_id;
1303 		TRACE_BPOS_assign(pos, path->pos);
1304 		__entry->old_u64s	= old_u64s;
1305 		__entry->new_u64s	= new_u64s;
1306 	),
1307 
1308 	TP_printk("%s %pS btree %s pos %llu:%llu:%u old_u64s %u new_u64s %u",
1309 		  __entry->trans_fn,
1310 		  (void *) __entry->caller_ip,
1311 		  bch2_btree_id_str(__entry->btree_id),
1312 		  __entry->pos_inode,
1313 		  __entry->pos_offset,
1314 		  __entry->pos_snapshot,
1315 		  __entry->old_u64s,
1316 		  __entry->new_u64s)
1317 );
1318 
1319 TRACE_EVENT(path_downgrade,
1320 	TP_PROTO(struct btree_trans *trans,
1321 		 unsigned long caller_ip,
1322 		 struct btree_path *path,
1323 		 unsigned old_locks_want),
1324 	TP_ARGS(trans, caller_ip, path, old_locks_want),
1325 
1326 	TP_STRUCT__entry(
1327 		__array(char,			trans_fn, 32	)
1328 		__field(unsigned long,		caller_ip	)
1329 		__field(unsigned,		old_locks_want	)
1330 		__field(unsigned,		new_locks_want	)
1331 		__field(unsigned,		btree		)
1332 		TRACE_BPOS_entries(pos)
1333 	),
1334 
1335 	TP_fast_assign(
1336 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1337 		__entry->caller_ip		= caller_ip;
1338 		__entry->old_locks_want		= old_locks_want;
1339 		__entry->new_locks_want		= path->locks_want;
1340 		__entry->btree			= path->btree_id;
1341 		TRACE_BPOS_assign(pos, path->pos);
1342 	),
1343 
1344 	TP_printk("%s %pS locks_want %u -> %u %s %llu:%llu:%u",
1345 		  __entry->trans_fn,
1346 		  (void *) __entry->caller_ip,
1347 		  __entry->old_locks_want,
1348 		  __entry->new_locks_want,
1349 		  bch2_btree_id_str(__entry->btree),
1350 		  __entry->pos_inode,
1351 		  __entry->pos_offset,
1352 		  __entry->pos_snapshot)
1353 );
1354 
1355 DEFINE_EVENT(transaction_event,	trans_restart_write_buffer_flush,
1356 	TP_PROTO(struct btree_trans *trans,
1357 		 unsigned long caller_ip),
1358 	TP_ARGS(trans, caller_ip)
1359 );
1360 
1361 TRACE_EVENT(write_buffer_flush,
1362 	TP_PROTO(struct btree_trans *trans, size_t nr, size_t skipped, size_t fast, size_t size),
1363 	TP_ARGS(trans, nr, skipped, fast, size),
1364 
1365 	TP_STRUCT__entry(
1366 		__field(size_t,		nr		)
1367 		__field(size_t,		skipped		)
1368 		__field(size_t,		fast		)
1369 		__field(size_t,		size		)
1370 	),
1371 
1372 	TP_fast_assign(
1373 		__entry->nr	= nr;
1374 		__entry->skipped = skipped;
1375 		__entry->fast	= fast;
1376 		__entry->size	= size;
1377 	),
1378 
1379 	TP_printk("%zu/%zu skipped %zu fast %zu",
1380 		  __entry->nr, __entry->size, __entry->skipped, __entry->fast)
1381 );
1382 
1383 TRACE_EVENT(write_buffer_flush_sync,
1384 	TP_PROTO(struct btree_trans *trans, unsigned long caller_ip),
1385 	TP_ARGS(trans, caller_ip),
1386 
1387 	TP_STRUCT__entry(
1388 		__array(char,			trans_fn, 32	)
1389 		__field(unsigned long,		caller_ip	)
1390 	),
1391 
1392 	TP_fast_assign(
1393 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1394 		__entry->caller_ip		= caller_ip;
1395 	),
1396 
1397 	TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
1398 );
1399 
1400 TRACE_EVENT(write_buffer_flush_slowpath,
1401 	TP_PROTO(struct btree_trans *trans, size_t slowpath, size_t total),
1402 	TP_ARGS(trans, slowpath, total),
1403 
1404 	TP_STRUCT__entry(
1405 		__field(size_t,		slowpath	)
1406 		__field(size_t,		total		)
1407 	),
1408 
1409 	TP_fast_assign(
1410 		__entry->slowpath	= slowpath;
1411 		__entry->total		= total;
1412 	),
1413 
1414 	TP_printk("%zu/%zu", __entry->slowpath, __entry->total)
1415 );
1416 
1417 DEFINE_EVENT(fs_str, rebalance_extent,
1418 	TP_PROTO(struct bch_fs *c, const char *str),
1419 	TP_ARGS(c, str)
1420 );
1421 
1422 DEFINE_EVENT(fs_str, data_update,
1423 	TP_PROTO(struct bch_fs *c, const char *str),
1424 	TP_ARGS(c, str)
1425 );
1426 
1427 TRACE_EVENT(error_downcast,
1428 	TP_PROTO(int bch_err, int std_err, unsigned long ip),
1429 	TP_ARGS(bch_err, std_err, ip),
1430 
1431 	TP_STRUCT__entry(
1432 		__array(char,		bch_err, 32		)
1433 		__array(char,		std_err, 32		)
1434 		__array(char,		ip, 32			)
1435 	),
1436 
1437 	TP_fast_assign(
1438 		strscpy(__entry->bch_err, bch2_err_str(bch_err), sizeof(__entry->bch_err));
1439 		strscpy(__entry->std_err, bch2_err_str(std_err), sizeof(__entry->std_err));
1440 		snprintf(__entry->ip, sizeof(__entry->ip), "%ps", (void *) ip);
1441 	),
1442 
1443 	TP_printk("%s -> %s %s", __entry->bch_err, __entry->std_err, __entry->ip)
1444 );
1445 
1446 #ifdef CONFIG_BCACHEFS_PATH_TRACEPOINTS
1447 
1448 TRACE_EVENT(update_by_path,
1449 	TP_PROTO(struct btree_trans *trans, struct btree_path *path,
1450 		 struct btree_insert_entry *i, bool overwrite),
1451 	TP_ARGS(trans, path, i, overwrite),
1452 
1453 	TP_STRUCT__entry(
1454 		__array(char,			trans_fn, 32	)
1455 		__field(btree_path_idx_t,	path_idx	)
1456 		__field(u8,			btree_id	)
1457 		TRACE_BPOS_entries(pos)
1458 		__field(u8,			overwrite	)
1459 		__field(btree_path_idx_t,	update_idx	)
1460 		__field(btree_path_idx_t,	nr_updates	)
1461 	),
1462 
1463 	TP_fast_assign(
1464 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1465 		__entry->path_idx		= path - trans->paths;
1466 		__entry->btree_id		= path->btree_id;
1467 		TRACE_BPOS_assign(pos, path->pos);
1468 		__entry->overwrite		= overwrite;
1469 		__entry->update_idx		= i - trans->updates;
1470 		__entry->nr_updates		= trans->nr_updates;
1471 	),
1472 
1473 	TP_printk("%s path %3u btree %s pos %llu:%llu:%u overwrite %u update %u/%u",
1474 		  __entry->trans_fn,
1475 		  __entry->path_idx,
1476 		  bch2_btree_id_str(__entry->btree_id),
1477 		  __entry->pos_inode,
1478 		  __entry->pos_offset,
1479 		  __entry->pos_snapshot,
1480 		  __entry->overwrite,
1481 		  __entry->update_idx,
1482 		  __entry->nr_updates)
1483 );
1484 
1485 TRACE_EVENT(btree_path_lock,
1486 	TP_PROTO(struct btree_trans *trans,
1487 		 unsigned long caller_ip,
1488 		 struct btree_bkey_cached_common *b),
1489 	TP_ARGS(trans, caller_ip, b),
1490 
1491 	TP_STRUCT__entry(
1492 		__array(char,			trans_fn, 32	)
1493 		__field(unsigned long,		caller_ip	)
1494 		__field(u8,			btree_id	)
1495 		__field(u8,			level		)
1496 		__array(char,			node, 24	)
1497 		__field(u32,			lock_seq	)
1498 	),
1499 
1500 	TP_fast_assign(
1501 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1502 		__entry->caller_ip		= caller_ip;
1503 		__entry->btree_id		= b->btree_id;
1504 		__entry->level			= b->level;
1505 
1506 		scnprintf(__entry->node, sizeof(__entry->node), "%px", b);
1507 		__entry->lock_seq		= six_lock_seq(&b->lock);
1508 	),
1509 
1510 	TP_printk("%s %pS\nbtree %s level %u node %s lock seq %u",
1511 		  __entry->trans_fn,
1512 		  (void *) __entry->caller_ip,
1513 		  bch2_btree_id_str(__entry->btree_id),
1514 		  __entry->level,
1515 		  __entry->node,
1516 		  __entry->lock_seq)
1517 );
1518 
1519 DECLARE_EVENT_CLASS(btree_path_ev,
1520 	TP_PROTO(struct btree_trans *trans, struct btree_path *path),
1521 	TP_ARGS(trans, path),
1522 
1523 	TP_STRUCT__entry(
1524 		__field(u16,			idx		)
1525 		__field(u8,			ref		)
1526 		__field(u8,			btree_id	)
1527 		TRACE_BPOS_entries(pos)
1528 	),
1529 
1530 	TP_fast_assign(
1531 		__entry->idx			= path - trans->paths;
1532 		__entry->ref			= path->ref;
1533 		__entry->btree_id		= path->btree_id;
1534 		TRACE_BPOS_assign(pos, path->pos);
1535 	),
1536 
1537 	TP_printk("path %3u ref %u btree %s pos %llu:%llu:%u",
1538 		  __entry->idx, __entry->ref,
1539 		  bch2_btree_id_str(__entry->btree_id),
1540 		  __entry->pos_inode,
1541 		  __entry->pos_offset,
1542 		  __entry->pos_snapshot)
1543 );
1544 
1545 DEFINE_EVENT(btree_path_ev, btree_path_get_ll,
1546 	TP_PROTO(struct btree_trans *trans, struct btree_path *path),
1547 	TP_ARGS(trans, path)
1548 );
1549 
1550 DEFINE_EVENT(btree_path_ev, btree_path_put_ll,
1551 	TP_PROTO(struct btree_trans *trans, struct btree_path *path),
1552 	TP_ARGS(trans, path)
1553 );
1554 
1555 DEFINE_EVENT(btree_path_ev, btree_path_should_be_locked,
1556 	TP_PROTO(struct btree_trans *trans, struct btree_path *path),
1557 	TP_ARGS(trans, path)
1558 );
1559 
1560 TRACE_EVENT(btree_path_alloc,
1561 	TP_PROTO(struct btree_trans *trans, struct btree_path *path),
1562 	TP_ARGS(trans, path),
1563 
1564 	TP_STRUCT__entry(
1565 		__field(btree_path_idx_t,	idx		)
1566 		__field(u8,			locks_want	)
1567 		__field(u8,			btree_id	)
1568 		TRACE_BPOS_entries(pos)
1569 	),
1570 
1571 	TP_fast_assign(
1572 		__entry->idx			= path - trans->paths;
1573 		__entry->locks_want		= path->locks_want;
1574 		__entry->btree_id		= path->btree_id;
1575 		TRACE_BPOS_assign(pos, path->pos);
1576 	),
1577 
1578 	TP_printk("path %3u btree %s locks_want %u pos %llu:%llu:%u",
1579 		  __entry->idx,
1580 		  bch2_btree_id_str(__entry->btree_id),
1581 		  __entry->locks_want,
1582 		  __entry->pos_inode,
1583 		  __entry->pos_offset,
1584 		  __entry->pos_snapshot)
1585 );
1586 
1587 TRACE_EVENT(btree_path_get,
1588 	TP_PROTO(struct btree_trans *trans, struct btree_path *path, struct bpos *new_pos),
1589 	TP_ARGS(trans, path, new_pos),
1590 
1591 	TP_STRUCT__entry(
1592 		__field(btree_path_idx_t,	idx		)
1593 		__field(u8,			ref		)
1594 		__field(u8,			preserve	)
1595 		__field(u8,			locks_want	)
1596 		__field(u8,			btree_id	)
1597 		TRACE_BPOS_entries(old_pos)
1598 		TRACE_BPOS_entries(new_pos)
1599 	),
1600 
1601 	TP_fast_assign(
1602 		__entry->idx			= path - trans->paths;
1603 		__entry->ref			= path->ref;
1604 		__entry->preserve		= path->preserve;
1605 		__entry->locks_want		= path->locks_want;
1606 		__entry->btree_id		= path->btree_id;
1607 		TRACE_BPOS_assign(old_pos, path->pos);
1608 		TRACE_BPOS_assign(new_pos, *new_pos);
1609 	),
1610 
1611 	TP_printk("    path %3u ref %u preserve %u btree %s locks_want %u pos %llu:%llu:%u -> %llu:%llu:%u",
1612 		  __entry->idx,
1613 		  __entry->ref,
1614 		  __entry->preserve,
1615 		  bch2_btree_id_str(__entry->btree_id),
1616 		  __entry->locks_want,
1617 		  __entry->old_pos_inode,
1618 		  __entry->old_pos_offset,
1619 		  __entry->old_pos_snapshot,
1620 		  __entry->new_pos_inode,
1621 		  __entry->new_pos_offset,
1622 		  __entry->new_pos_snapshot)
1623 );
1624 
1625 DECLARE_EVENT_CLASS(btree_path_clone,
1626 	TP_PROTO(struct btree_trans *trans, struct btree_path *path, struct btree_path *new),
1627 	TP_ARGS(trans, path, new),
1628 
1629 	TP_STRUCT__entry(
1630 		__field(btree_path_idx_t,	idx		)
1631 		__field(u8,			new_idx		)
1632 		__field(u8,			btree_id	)
1633 		__field(u8,			ref		)
1634 		__field(u8,			preserve	)
1635 		TRACE_BPOS_entries(pos)
1636 	),
1637 
1638 	TP_fast_assign(
1639 		__entry->idx			= path - trans->paths;
1640 		__entry->new_idx		= new - trans->paths;
1641 		__entry->btree_id		= path->btree_id;
1642 		__entry->ref			= path->ref;
1643 		__entry->preserve		= path->preserve;
1644 		TRACE_BPOS_assign(pos, path->pos);
1645 	),
1646 
1647 	TP_printk("  path %3u ref %u preserve %u btree %s %llu:%llu:%u -> %u",
1648 		  __entry->idx,
1649 		  __entry->ref,
1650 		  __entry->preserve,
1651 		  bch2_btree_id_str(__entry->btree_id),
1652 		  __entry->pos_inode,
1653 		  __entry->pos_offset,
1654 		  __entry->pos_snapshot,
1655 		  __entry->new_idx)
1656 );
1657 
1658 DEFINE_EVENT(btree_path_clone, btree_path_clone,
1659 	TP_PROTO(struct btree_trans *trans, struct btree_path *path, struct btree_path *new),
1660 	TP_ARGS(trans, path, new)
1661 );
1662 
1663 DEFINE_EVENT(btree_path_clone, btree_path_save_pos,
1664 	TP_PROTO(struct btree_trans *trans, struct btree_path *path, struct btree_path *new),
1665 	TP_ARGS(trans, path, new)
1666 );
1667 
1668 DECLARE_EVENT_CLASS(btree_path_traverse,
1669 	TP_PROTO(struct btree_trans *trans,
1670 		 struct btree_path *path),
1671 	TP_ARGS(trans, path),
1672 
1673 	TP_STRUCT__entry(
1674 		__array(char,			trans_fn, 32	)
1675 		__field(btree_path_idx_t,	idx		)
1676 		__field(u8,			ref		)
1677 		__field(u8,			preserve	)
1678 		__field(u8,			should_be_locked )
1679 		__field(u8,			btree_id	)
1680 		__field(u8,			level		)
1681 		TRACE_BPOS_entries(pos)
1682 		__field(u8,			locks_want	)
1683 		__field(u8,			nodes_locked	)
1684 		__array(char,			node0, 24	)
1685 		__array(char,			node1, 24	)
1686 		__array(char,			node2, 24	)
1687 		__array(char,			node3, 24	)
1688 	),
1689 
1690 	TP_fast_assign(
1691 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1692 
1693 		__entry->idx			= path - trans->paths;
1694 		__entry->ref			= path->ref;
1695 		__entry->preserve		= path->preserve;
1696 		__entry->btree_id		= path->btree_id;
1697 		__entry->level			= path->level;
1698 		TRACE_BPOS_assign(pos, path->pos);
1699 
1700 		__entry->locks_want		= path->locks_want;
1701 		__entry->nodes_locked		= path->nodes_locked;
1702 		struct btree *b = path->l[0].b;
1703 		if (IS_ERR(b))
1704 			strscpy(__entry->node0, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node0));
1705 		else
1706 			scnprintf(__entry->node0, sizeof(__entry->node0), "%px", &b->c);
1707 		b = path->l[1].b;
1708 		if (IS_ERR(b))
1709 			strscpy(__entry->node1, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node0));
1710 		else
1711 			scnprintf(__entry->node1, sizeof(__entry->node0), "%px", &b->c);
1712 		b = path->l[2].b;
1713 		if (IS_ERR(b))
1714 			strscpy(__entry->node2, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node0));
1715 		else
1716 			scnprintf(__entry->node2, sizeof(__entry->node0), "%px", &b->c);
1717 		b = path->l[3].b;
1718 		if (IS_ERR(b))
1719 			strscpy(__entry->node3, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node0));
1720 		else
1721 			scnprintf(__entry->node3, sizeof(__entry->node0), "%px", &b->c);
1722 	),
1723 
1724 	TP_printk("%s\npath %3u ref %u preserve %u btree %s %llu:%llu:%u level %u locks_want %u\n"
1725 		  "locks %u %u %u %u node %s %s %s %s",
1726 		  __entry->trans_fn,
1727 		  __entry->idx,
1728 		  __entry->ref,
1729 		  __entry->preserve,
1730 		  bch2_btree_id_str(__entry->btree_id),
1731 		  __entry->pos_inode,
1732 		  __entry->pos_offset,
1733 		  __entry->pos_snapshot,
1734 		  __entry->level,
1735 		  __entry->locks_want,
1736 		  (__entry->nodes_locked >> 6) & 3,
1737 		  (__entry->nodes_locked >> 4) & 3,
1738 		  (__entry->nodes_locked >> 2) & 3,
1739 		  (__entry->nodes_locked >> 0) & 3,
1740 		  __entry->node3,
1741 		  __entry->node2,
1742 		  __entry->node1,
1743 		  __entry->node0)
1744 );
1745 
1746 DEFINE_EVENT(btree_path_traverse, btree_path_traverse_start,
1747 	TP_PROTO(struct btree_trans *trans,
1748 		 struct btree_path *path),
1749 	TP_ARGS(trans, path)
1750 );
1751 
1752 DEFINE_EVENT(btree_path_traverse, btree_path_traverse_end,
1753 	TP_PROTO(struct btree_trans *trans, struct btree_path *path),
1754 	TP_ARGS(trans, path)
1755 );
1756 
1757 TRACE_EVENT(btree_path_set_pos,
1758 	TP_PROTO(struct btree_trans *trans,
1759 		 struct btree_path *path,
1760 		 struct bpos *new_pos),
1761 	TP_ARGS(trans, path, new_pos),
1762 
1763 	TP_STRUCT__entry(
1764 		__field(btree_path_idx_t,	idx		)
1765 		__field(u8,			ref		)
1766 		__field(u8,			preserve	)
1767 		__field(u8,			btree_id	)
1768 		TRACE_BPOS_entries(old_pos)
1769 		TRACE_BPOS_entries(new_pos)
1770 		__field(u8,			locks_want	)
1771 		__field(u8,			nodes_locked	)
1772 		__array(char,			node0, 24	)
1773 		__array(char,			node1, 24	)
1774 		__array(char,			node2, 24	)
1775 		__array(char,			node3, 24	)
1776 	),
1777 
1778 	TP_fast_assign(
1779 		__entry->idx			= path - trans->paths;
1780 		__entry->ref			= path->ref;
1781 		__entry->preserve		= path->preserve;
1782 		__entry->btree_id		= path->btree_id;
1783 		TRACE_BPOS_assign(old_pos, path->pos);
1784 		TRACE_BPOS_assign(new_pos, *new_pos);
1785 
1786 		__entry->nodes_locked		= path->nodes_locked;
1787 		struct btree *b = path->l[0].b;
1788 		if (IS_ERR(b))
1789 			strscpy(__entry->node0, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node0));
1790 		else
1791 			scnprintf(__entry->node0, sizeof(__entry->node0), "%px", &b->c);
1792 		b = path->l[1].b;
1793 		if (IS_ERR(b))
1794 			strscpy(__entry->node1, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node0));
1795 		else
1796 			scnprintf(__entry->node1, sizeof(__entry->node0), "%px", &b->c);
1797 		b = path->l[2].b;
1798 		if (IS_ERR(b))
1799 			strscpy(__entry->node2, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node0));
1800 		else
1801 			scnprintf(__entry->node2, sizeof(__entry->node0), "%px", &b->c);
1802 		b = path->l[3].b;
1803 		if (IS_ERR(b))
1804 			strscpy(__entry->node3, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node0));
1805 		else
1806 			scnprintf(__entry->node3, sizeof(__entry->node0), "%px", &b->c);
1807 	),
1808 
1809 	TP_printk("\npath %3u ref %u preserve %u btree %s %llu:%llu:%u -> %llu:%llu:%u\n"
1810 		  "locks %u %u %u %u node %s %s %s %s",
1811 		  __entry->idx,
1812 		  __entry->ref,
1813 		  __entry->preserve,
1814 		  bch2_btree_id_str(__entry->btree_id),
1815 		  __entry->old_pos_inode,
1816 		  __entry->old_pos_offset,
1817 		  __entry->old_pos_snapshot,
1818 		  __entry->new_pos_inode,
1819 		  __entry->new_pos_offset,
1820 		  __entry->new_pos_snapshot,
1821 		  (__entry->nodes_locked >> 6) & 3,
1822 		  (__entry->nodes_locked >> 4) & 3,
1823 		  (__entry->nodes_locked >> 2) & 3,
1824 		  (__entry->nodes_locked >> 0) & 3,
1825 		  __entry->node3,
1826 		  __entry->node2,
1827 		  __entry->node1,
1828 		  __entry->node0)
1829 );
1830 
1831 TRACE_EVENT(btree_path_free,
1832 	TP_PROTO(struct btree_trans *trans, btree_path_idx_t path, struct btree_path *dup),
1833 	TP_ARGS(trans, path, dup),
1834 
1835 	TP_STRUCT__entry(
1836 		__field(btree_path_idx_t,	idx		)
1837 		__field(u8,			preserve	)
1838 		__field(u8,			should_be_locked)
1839 		__field(s8,			dup		)
1840 		__field(u8,			dup_locked	)
1841 	),
1842 
1843 	TP_fast_assign(
1844 		__entry->idx			= path;
1845 		__entry->preserve		= trans->paths[path].preserve;
1846 		__entry->should_be_locked	= trans->paths[path].should_be_locked;
1847 		__entry->dup			= dup ? dup - trans->paths  : -1;
1848 		__entry->dup_locked		= dup ? btree_node_locked(dup, dup->level) : 0;
1849 	),
1850 
1851 	TP_printk("   path %3u %c %c dup %2i locked %u", __entry->idx,
1852 		  __entry->preserve ? 'P' : ' ',
1853 		  __entry->should_be_locked ? 'S' : ' ',
1854 		  __entry->dup,
1855 		  __entry->dup_locked)
1856 );
1857 
1858 TRACE_EVENT(btree_path_free_trans_begin,
1859 	TP_PROTO(btree_path_idx_t path),
1860 	TP_ARGS(path),
1861 
1862 	TP_STRUCT__entry(
1863 		__field(btree_path_idx_t,	idx		)
1864 	),
1865 
1866 	TP_fast_assign(
1867 		__entry->idx			= path;
1868 	),
1869 
1870 	TP_printk("   path %3u", __entry->idx)
1871 );
1872 
1873 #else /* CONFIG_BCACHEFS_PATH_TRACEPOINTS */
1874 #ifndef _TRACE_BCACHEFS_H
1875 
1876 static inline void trace_update_by_path(struct btree_trans *trans, struct btree_path *path,
1877 					struct btree_insert_entry *i, bool overwrite) {}
1878 static inline void trace_btree_path_lock(struct btree_trans *trans, unsigned long caller_ip, struct btree_bkey_cached_common *b) {}
1879 static inline void trace_btree_path_get_ll(struct btree_trans *trans, struct btree_path *path) {}
1880 static inline void trace_btree_path_put_ll(struct btree_trans *trans, struct btree_path *path) {}
1881 static inline void trace_btree_path_should_be_locked(struct btree_trans *trans, struct btree_path *path) {}
1882 static inline void trace_btree_path_alloc(struct btree_trans *trans, struct btree_path *path) {}
1883 static inline void trace_btree_path_get(struct btree_trans *trans, struct btree_path *path, struct bpos *new_pos) {}
1884 static inline void trace_btree_path_clone(struct btree_trans *trans, struct btree_path *path, struct btree_path *new) {}
1885 static inline void trace_btree_path_save_pos(struct btree_trans *trans, struct btree_path *path, struct btree_path *new) {}
1886 static inline void trace_btree_path_traverse_start(struct btree_trans *trans, struct btree_path *path) {}
1887 static inline void trace_btree_path_traverse_end(struct btree_trans *trans, struct btree_path *path) {}
1888 static inline void trace_btree_path_set_pos(struct btree_trans *trans, struct btree_path *path, struct bpos *new_pos) {}
1889 static inline void trace_btree_path_free(struct btree_trans *trans, btree_path_idx_t path, struct btree_path *dup) {}
1890 static inline void trace_btree_path_free_trans_begin(btree_path_idx_t path) {}
1891 
1892 #endif
1893 #endif /* CONFIG_BCACHEFS_PATH_TRACEPOINTS */
1894 
1895 #define _TRACE_BCACHEFS_H
1896 #endif /* _TRACE_BCACHEFS_H */
1897 
1898 /* This part must be outside protection */
1899 #undef TRACE_INCLUDE_PATH
1900 #define TRACE_INCLUDE_PATH ../../fs/bcachefs
1901 
1902 #undef TRACE_INCLUDE_FILE
1903 #define TRACE_INCLUDE_FILE trace
1904 
1905 #include <trace/define_trace.h>
1906