xref: /linux/fs/bcachefs/trace.h (revision 7a92fc8b4d20680e4c20289a670d8fca2d1f2c1b)
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 #define _TRACE_BCACHEFS_H
7 
8 #include <linux/tracepoint.h>
9 
10 #define TRACE_BPOS_entries(name)				\
11 	__field(u64,			name##_inode	)	\
12 	__field(u64,			name##_offset	)	\
13 	__field(u32,			name##_snapshot	)
14 
15 #define TRACE_BPOS_assign(dst, src)				\
16 	__entry->dst##_inode		= (src).inode;		\
17 	__entry->dst##_offset		= (src).offset;		\
18 	__entry->dst##_snapshot		= (src).snapshot
19 
20 DECLARE_EVENT_CLASS(bpos,
21 	TP_PROTO(const struct bpos *p),
22 	TP_ARGS(p),
23 
24 	TP_STRUCT__entry(
25 		TRACE_BPOS_entries(p)
26 	),
27 
28 	TP_fast_assign(
29 		TRACE_BPOS_assign(p, *p);
30 	),
31 
32 	TP_printk("%llu:%llu:%u", __entry->p_inode, __entry->p_offset, __entry->p_snapshot)
33 );
34 
35 DECLARE_EVENT_CLASS(bkey,
36 	TP_PROTO(struct bch_fs *c, const char *k),
37 	TP_ARGS(c, k),
38 
39 	TP_STRUCT__entry(
40 		__string(k,	k				)
41 	),
42 
43 	TP_fast_assign(
44 		__assign_str(k, k);
45 	),
46 
47 	TP_printk("%s", __get_str(k))
48 );
49 
50 DECLARE_EVENT_CLASS(btree_node,
51 	TP_PROTO(struct bch_fs *c, struct btree *b),
52 	TP_ARGS(c, b),
53 
54 	TP_STRUCT__entry(
55 		__field(dev_t,		dev			)
56 		__field(u8,		level			)
57 		__field(u8,		btree_id		)
58 		TRACE_BPOS_entries(pos)
59 	),
60 
61 	TP_fast_assign(
62 		__entry->dev		= c->dev;
63 		__entry->level		= b->c.level;
64 		__entry->btree_id	= b->c.btree_id;
65 		TRACE_BPOS_assign(pos, b->key.k.p);
66 	),
67 
68 	TP_printk("%d,%d %u %s %llu:%llu:%u",
69 		  MAJOR(__entry->dev), MINOR(__entry->dev),
70 		  __entry->level,
71 		  bch2_btree_id_str(__entry->btree_id),
72 		  __entry->pos_inode, __entry->pos_offset, __entry->pos_snapshot)
73 );
74 
75 DECLARE_EVENT_CLASS(bch_fs,
76 	TP_PROTO(struct bch_fs *c),
77 	TP_ARGS(c),
78 
79 	TP_STRUCT__entry(
80 		__field(dev_t,		dev			)
81 	),
82 
83 	TP_fast_assign(
84 		__entry->dev		= c->dev;
85 	),
86 
87 	TP_printk("%d,%d", MAJOR(__entry->dev), MINOR(__entry->dev))
88 );
89 
90 DECLARE_EVENT_CLASS(bio,
91 	TP_PROTO(struct bio *bio),
92 	TP_ARGS(bio),
93 
94 	TP_STRUCT__entry(
95 		__field(dev_t,		dev			)
96 		__field(sector_t,	sector			)
97 		__field(unsigned int,	nr_sector		)
98 		__array(char,		rwbs,	6		)
99 	),
100 
101 	TP_fast_assign(
102 		__entry->dev		= bio->bi_bdev ? bio_dev(bio) : 0;
103 		__entry->sector		= bio->bi_iter.bi_sector;
104 		__entry->nr_sector	= bio->bi_iter.bi_size >> 9;
105 		blk_fill_rwbs(__entry->rwbs, bio->bi_opf);
106 	),
107 
108 	TP_printk("%d,%d  %s %llu + %u",
109 		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
110 		  (unsigned long long)__entry->sector, __entry->nr_sector)
111 );
112 
113 /* super-io.c: */
114 TRACE_EVENT(write_super,
115 	TP_PROTO(struct bch_fs *c, unsigned long ip),
116 	TP_ARGS(c, ip),
117 
118 	TP_STRUCT__entry(
119 		__field(dev_t,		dev	)
120 		__field(unsigned long,	ip	)
121 	),
122 
123 	TP_fast_assign(
124 		__entry->dev		= c->dev;
125 		__entry->ip		= ip;
126 	),
127 
128 	TP_printk("%d,%d for %pS",
129 		  MAJOR(__entry->dev), MINOR(__entry->dev),
130 		  (void *) __entry->ip)
131 );
132 
133 /* io.c: */
134 
135 DEFINE_EVENT(bio, read_promote,
136 	TP_PROTO(struct bio *bio),
137 	TP_ARGS(bio)
138 );
139 
140 TRACE_EVENT(read_nopromote,
141 	TP_PROTO(struct bch_fs *c, int ret),
142 	TP_ARGS(c, ret),
143 
144 	TP_STRUCT__entry(
145 		__field(dev_t,		dev		)
146 		__array(char,		ret, 32		)
147 	),
148 
149 	TP_fast_assign(
150 		__entry->dev		= c->dev;
151 		strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
152 	),
153 
154 	TP_printk("%d,%d ret %s",
155 		  MAJOR(__entry->dev), MINOR(__entry->dev),
156 		  __entry->ret)
157 );
158 
159 DEFINE_EVENT(bio, read_bounce,
160 	TP_PROTO(struct bio *bio),
161 	TP_ARGS(bio)
162 );
163 
164 DEFINE_EVENT(bio, read_split,
165 	TP_PROTO(struct bio *bio),
166 	TP_ARGS(bio)
167 );
168 
169 DEFINE_EVENT(bio, read_retry,
170 	TP_PROTO(struct bio *bio),
171 	TP_ARGS(bio)
172 );
173 
174 DEFINE_EVENT(bio, read_reuse_race,
175 	TP_PROTO(struct bio *bio),
176 	TP_ARGS(bio)
177 );
178 
179 /* Journal */
180 
181 DEFINE_EVENT(bch_fs, journal_full,
182 	TP_PROTO(struct bch_fs *c),
183 	TP_ARGS(c)
184 );
185 
186 DEFINE_EVENT(bch_fs, journal_entry_full,
187 	TP_PROTO(struct bch_fs *c),
188 	TP_ARGS(c)
189 );
190 
191 DEFINE_EVENT(bio, journal_write,
192 	TP_PROTO(struct bio *bio),
193 	TP_ARGS(bio)
194 );
195 
196 TRACE_EVENT(journal_reclaim_start,
197 	TP_PROTO(struct bch_fs *c, bool direct, bool kicked,
198 		 u64 min_nr, u64 min_key_cache,
199 		 u64 btree_cache_dirty, u64 btree_cache_total,
200 		 u64 btree_key_cache_dirty, u64 btree_key_cache_total),
201 	TP_ARGS(c, direct, kicked, min_nr, min_key_cache,
202 		btree_cache_dirty, btree_cache_total,
203 		btree_key_cache_dirty, btree_key_cache_total),
204 
205 	TP_STRUCT__entry(
206 		__field(dev_t,		dev			)
207 		__field(bool,		direct			)
208 		__field(bool,		kicked			)
209 		__field(u64,		min_nr			)
210 		__field(u64,		min_key_cache		)
211 		__field(u64,		btree_cache_dirty	)
212 		__field(u64,		btree_cache_total	)
213 		__field(u64,		btree_key_cache_dirty	)
214 		__field(u64,		btree_key_cache_total	)
215 	),
216 
217 	TP_fast_assign(
218 		__entry->dev			= c->dev;
219 		__entry->direct			= direct;
220 		__entry->kicked			= kicked;
221 		__entry->min_nr			= min_nr;
222 		__entry->min_key_cache		= min_key_cache;
223 		__entry->btree_cache_dirty	= btree_cache_dirty;
224 		__entry->btree_cache_total	= btree_cache_total;
225 		__entry->btree_key_cache_dirty	= btree_key_cache_dirty;
226 		__entry->btree_key_cache_total	= btree_key_cache_total;
227 	),
228 
229 	TP_printk("%d,%d direct %u kicked %u min %llu key cache %llu btree cache %llu/%llu key cache %llu/%llu",
230 		  MAJOR(__entry->dev), MINOR(__entry->dev),
231 		  __entry->direct,
232 		  __entry->kicked,
233 		  __entry->min_nr,
234 		  __entry->min_key_cache,
235 		  __entry->btree_cache_dirty,
236 		  __entry->btree_cache_total,
237 		  __entry->btree_key_cache_dirty,
238 		  __entry->btree_key_cache_total)
239 );
240 
241 TRACE_EVENT(journal_reclaim_finish,
242 	TP_PROTO(struct bch_fs *c, u64 nr_flushed),
243 	TP_ARGS(c, nr_flushed),
244 
245 	TP_STRUCT__entry(
246 		__field(dev_t,		dev			)
247 		__field(u64,		nr_flushed		)
248 	),
249 
250 	TP_fast_assign(
251 		__entry->dev		= c->dev;
252 		__entry->nr_flushed	= nr_flushed;
253 	),
254 
255 	TP_printk("%d,%d flushed %llu",
256 		  MAJOR(__entry->dev), MINOR(__entry->dev),
257 		  __entry->nr_flushed)
258 );
259 
260 /* bset.c: */
261 
262 DEFINE_EVENT(bpos, bkey_pack_pos_fail,
263 	TP_PROTO(const struct bpos *p),
264 	TP_ARGS(p)
265 );
266 
267 /* Btree cache: */
268 
269 TRACE_EVENT(btree_cache_scan,
270 	TP_PROTO(long nr_to_scan, long can_free, long ret),
271 	TP_ARGS(nr_to_scan, can_free, ret),
272 
273 	TP_STRUCT__entry(
274 		__field(long,	nr_to_scan		)
275 		__field(long,	can_free		)
276 		__field(long,	ret			)
277 	),
278 
279 	TP_fast_assign(
280 		__entry->nr_to_scan	= nr_to_scan;
281 		__entry->can_free	= can_free;
282 		__entry->ret		= ret;
283 	),
284 
285 	TP_printk("scanned for %li nodes, can free %li, ret %li",
286 		  __entry->nr_to_scan, __entry->can_free, __entry->ret)
287 );
288 
289 DEFINE_EVENT(btree_node, btree_cache_reap,
290 	TP_PROTO(struct bch_fs *c, struct btree *b),
291 	TP_ARGS(c, b)
292 );
293 
294 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_lock_fail,
295 	TP_PROTO(struct bch_fs *c),
296 	TP_ARGS(c)
297 );
298 
299 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_lock,
300 	TP_PROTO(struct bch_fs *c),
301 	TP_ARGS(c)
302 );
303 
304 DEFINE_EVENT(bch_fs, btree_cache_cannibalize,
305 	TP_PROTO(struct bch_fs *c),
306 	TP_ARGS(c)
307 );
308 
309 DEFINE_EVENT(bch_fs, btree_cache_cannibalize_unlock,
310 	TP_PROTO(struct bch_fs *c),
311 	TP_ARGS(c)
312 );
313 
314 /* Btree */
315 
316 DEFINE_EVENT(btree_node, btree_node_read,
317 	TP_PROTO(struct bch_fs *c, struct btree *b),
318 	TP_ARGS(c, b)
319 );
320 
321 TRACE_EVENT(btree_node_write,
322 	TP_PROTO(struct btree *b, unsigned bytes, unsigned sectors),
323 	TP_ARGS(b, bytes, sectors),
324 
325 	TP_STRUCT__entry(
326 		__field(enum btree_node_type,	type)
327 		__field(unsigned,	bytes			)
328 		__field(unsigned,	sectors			)
329 	),
330 
331 	TP_fast_assign(
332 		__entry->type	= btree_node_type(b);
333 		__entry->bytes	= bytes;
334 		__entry->sectors = sectors;
335 	),
336 
337 	TP_printk("bkey type %u bytes %u sectors %u",
338 		  __entry->type , __entry->bytes, __entry->sectors)
339 );
340 
341 DEFINE_EVENT(btree_node, btree_node_alloc,
342 	TP_PROTO(struct bch_fs *c, struct btree *b),
343 	TP_ARGS(c, b)
344 );
345 
346 DEFINE_EVENT(btree_node, btree_node_free,
347 	TP_PROTO(struct bch_fs *c, struct btree *b),
348 	TP_ARGS(c, b)
349 );
350 
351 TRACE_EVENT(btree_reserve_get_fail,
352 	TP_PROTO(const char *trans_fn,
353 		 unsigned long caller_ip,
354 		 size_t required,
355 		 int ret),
356 	TP_ARGS(trans_fn, caller_ip, required, ret),
357 
358 	TP_STRUCT__entry(
359 		__array(char,			trans_fn, 32	)
360 		__field(unsigned long,		caller_ip	)
361 		__field(size_t,			required	)
362 		__array(char,			ret, 32		)
363 	),
364 
365 	TP_fast_assign(
366 		strscpy(__entry->trans_fn, trans_fn, sizeof(__entry->trans_fn));
367 		__entry->caller_ip	= caller_ip;
368 		__entry->required	= required;
369 		strscpy(__entry->ret, bch2_err_str(ret), sizeof(__entry->ret));
370 	),
371 
372 	TP_printk("%s %pS required %zu ret %s",
373 		  __entry->trans_fn,
374 		  (void *) __entry->caller_ip,
375 		  __entry->required,
376 		  __entry->ret)
377 );
378 
379 DEFINE_EVENT(btree_node, btree_node_compact,
380 	TP_PROTO(struct bch_fs *c, struct btree *b),
381 	TP_ARGS(c, b)
382 );
383 
384 DEFINE_EVENT(btree_node, btree_node_merge,
385 	TP_PROTO(struct bch_fs *c, struct btree *b),
386 	TP_ARGS(c, b)
387 );
388 
389 DEFINE_EVENT(btree_node, btree_node_split,
390 	TP_PROTO(struct bch_fs *c, struct btree *b),
391 	TP_ARGS(c, b)
392 );
393 
394 DEFINE_EVENT(btree_node, btree_node_rewrite,
395 	TP_PROTO(struct bch_fs *c, struct btree *b),
396 	TP_ARGS(c, b)
397 );
398 
399 DEFINE_EVENT(btree_node, btree_node_set_root,
400 	TP_PROTO(struct bch_fs *c, struct btree *b),
401 	TP_ARGS(c, b)
402 );
403 
404 TRACE_EVENT(btree_path_relock_fail,
405 	TP_PROTO(struct btree_trans *trans,
406 		 unsigned long caller_ip,
407 		 struct btree_path *path,
408 		 unsigned level),
409 	TP_ARGS(trans, caller_ip, path, level),
410 
411 	TP_STRUCT__entry(
412 		__array(char,			trans_fn, 32	)
413 		__field(unsigned long,		caller_ip	)
414 		__field(u8,			btree_id	)
415 		__field(u8,			level		)
416 		TRACE_BPOS_entries(pos)
417 		__array(char,			node, 24	)
418 		__field(u8,			self_read_count	)
419 		__field(u8,			self_intent_count)
420 		__field(u8,			read_count	)
421 		__field(u8,			intent_count	)
422 		__field(u32,			iter_lock_seq	)
423 		__field(u32,			node_lock_seq	)
424 	),
425 
426 	TP_fast_assign(
427 		struct btree *b = btree_path_node(path, level);
428 		struct six_lock_count c;
429 
430 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
431 		__entry->caller_ip		= caller_ip;
432 		__entry->btree_id		= path->btree_id;
433 		__entry->level			= path->level;
434 		TRACE_BPOS_assign(pos, path->pos);
435 
436 		c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
437 		__entry->self_read_count	= c.n[SIX_LOCK_read];
438 		__entry->self_intent_count	= c.n[SIX_LOCK_intent];
439 
440 		if (IS_ERR(b)) {
441 			strscpy(__entry->node, bch2_err_str(PTR_ERR(b)), sizeof(__entry->node));
442 		} else {
443 			c = six_lock_counts(&path->l[level].b->c.lock);
444 			__entry->read_count	= c.n[SIX_LOCK_read];
445 			__entry->intent_count	= c.n[SIX_LOCK_intent];
446 			scnprintf(__entry->node, sizeof(__entry->node), "%px", b);
447 		}
448 		__entry->iter_lock_seq		= path->l[level].lock_seq;
449 		__entry->node_lock_seq		= is_btree_node(path, level)
450 			? six_lock_seq(&path->l[level].b->c.lock)
451 			: 0;
452 	),
453 
454 	TP_printk("%s %pS btree %s pos %llu:%llu:%u level %u node %s held %u:%u lock count %u:%u iter seq %u lock seq %u",
455 		  __entry->trans_fn,
456 		  (void *) __entry->caller_ip,
457 		  bch2_btree_id_str(__entry->btree_id),
458 		  __entry->pos_inode,
459 		  __entry->pos_offset,
460 		  __entry->pos_snapshot,
461 		  __entry->level,
462 		  __entry->node,
463 		  __entry->self_read_count,
464 		  __entry->self_intent_count,
465 		  __entry->read_count,
466 		  __entry->intent_count,
467 		  __entry->iter_lock_seq,
468 		  __entry->node_lock_seq)
469 );
470 
471 TRACE_EVENT(btree_path_upgrade_fail,
472 	TP_PROTO(struct btree_trans *trans,
473 		 unsigned long caller_ip,
474 		 struct btree_path *path,
475 		 unsigned level),
476 	TP_ARGS(trans, caller_ip, path, level),
477 
478 	TP_STRUCT__entry(
479 		__array(char,			trans_fn, 32	)
480 		__field(unsigned long,		caller_ip	)
481 		__field(u8,			btree_id	)
482 		__field(u8,			level		)
483 		TRACE_BPOS_entries(pos)
484 		__field(u8,			locked		)
485 		__field(u8,			self_read_count	)
486 		__field(u8,			self_intent_count)
487 		__field(u8,			read_count	)
488 		__field(u8,			intent_count	)
489 		__field(u32,			iter_lock_seq	)
490 		__field(u32,			node_lock_seq	)
491 	),
492 
493 	TP_fast_assign(
494 		struct six_lock_count c;
495 
496 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
497 		__entry->caller_ip		= caller_ip;
498 		__entry->btree_id		= path->btree_id;
499 		__entry->level			= level;
500 		TRACE_BPOS_assign(pos, path->pos);
501 		__entry->locked			= btree_node_locked(path, level);
502 
503 		c = bch2_btree_node_lock_counts(trans, NULL, &path->l[level].b->c, level),
504 		__entry->self_read_count	= c.n[SIX_LOCK_read];
505 		__entry->self_intent_count	= c.n[SIX_LOCK_intent];
506 		c = six_lock_counts(&path->l[level].b->c.lock);
507 		__entry->read_count		= c.n[SIX_LOCK_read];
508 		__entry->intent_count		= c.n[SIX_LOCK_intent];
509 		__entry->iter_lock_seq		= path->l[level].lock_seq;
510 		__entry->node_lock_seq		= is_btree_node(path, level)
511 			? six_lock_seq(&path->l[level].b->c.lock)
512 			: 0;
513 	),
514 
515 	TP_printk("%s %pS btree %s pos %llu:%llu:%u level %u locked %u held %u:%u lock count %u:%u iter seq %u lock seq %u",
516 		  __entry->trans_fn,
517 		  (void *) __entry->caller_ip,
518 		  bch2_btree_id_str(__entry->btree_id),
519 		  __entry->pos_inode,
520 		  __entry->pos_offset,
521 		  __entry->pos_snapshot,
522 		  __entry->level,
523 		  __entry->locked,
524 		  __entry->self_read_count,
525 		  __entry->self_intent_count,
526 		  __entry->read_count,
527 		  __entry->intent_count,
528 		  __entry->iter_lock_seq,
529 		  __entry->node_lock_seq)
530 );
531 
532 /* Garbage collection */
533 
534 DEFINE_EVENT(bch_fs, gc_gens_start,
535 	TP_PROTO(struct bch_fs *c),
536 	TP_ARGS(c)
537 );
538 
539 DEFINE_EVENT(bch_fs, gc_gens_end,
540 	TP_PROTO(struct bch_fs *c),
541 	TP_ARGS(c)
542 );
543 
544 /* Allocator */
545 
546 DECLARE_EVENT_CLASS(bucket_alloc,
547 	TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
548 		 u64 bucket,
549 		 u64 free,
550 		 u64 avail,
551 		 u64 copygc_wait_amount,
552 		 s64 copygc_waiting_for,
553 		 struct bucket_alloc_state *s,
554 		 bool nonblocking,
555 		 const char *err),
556 	TP_ARGS(ca, alloc_reserve, bucket, free, avail,
557 		copygc_wait_amount, copygc_waiting_for,
558 		s, nonblocking, err),
559 
560 	TP_STRUCT__entry(
561 		__field(u8,			dev			)
562 		__array(char,	reserve,	16			)
563 		__field(u64,			bucket	)
564 		__field(u64,			free			)
565 		__field(u64,			avail			)
566 		__field(u64,			copygc_wait_amount	)
567 		__field(s64,			copygc_waiting_for	)
568 		__field(u64,			seen			)
569 		__field(u64,			open			)
570 		__field(u64,			need_journal_commit	)
571 		__field(u64,			nouse			)
572 		__field(bool,			nonblocking		)
573 		__field(u64,			nocow			)
574 		__array(char,			err,	32		)
575 	),
576 
577 	TP_fast_assign(
578 		__entry->dev		= ca->dev_idx;
579 		strscpy(__entry->reserve, alloc_reserve, sizeof(__entry->reserve));
580 		__entry->bucket		= bucket;
581 		__entry->free		= free;
582 		__entry->avail		= avail;
583 		__entry->copygc_wait_amount	= copygc_wait_amount;
584 		__entry->copygc_waiting_for	= copygc_waiting_for;
585 		__entry->seen		= s->buckets_seen;
586 		__entry->open		= s->skipped_open;
587 		__entry->need_journal_commit = s->skipped_need_journal_commit;
588 		__entry->nouse		= s->skipped_nouse;
589 		__entry->nonblocking	= nonblocking;
590 		__entry->nocow		= s->skipped_nocow;
591 		strscpy(__entry->err, err, sizeof(__entry->err));
592 	),
593 
594 	TP_printk("reserve %s bucket %u:%llu free %llu avail %llu copygc_wait %llu/%lli seen %llu open %llu need_journal_commit %llu nouse %llu nocow %llu nonblocking %u err %s",
595 		  __entry->reserve,
596 		  __entry->dev,
597 		  __entry->bucket,
598 		  __entry->free,
599 		  __entry->avail,
600 		  __entry->copygc_wait_amount,
601 		  __entry->copygc_waiting_for,
602 		  __entry->seen,
603 		  __entry->open,
604 		  __entry->need_journal_commit,
605 		  __entry->nouse,
606 		  __entry->nocow,
607 		  __entry->nonblocking,
608 		  __entry->err)
609 );
610 
611 DEFINE_EVENT(bucket_alloc, bucket_alloc,
612 	TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
613 		 u64 bucket,
614 		 u64 free,
615 		 u64 avail,
616 		 u64 copygc_wait_amount,
617 		 s64 copygc_waiting_for,
618 		 struct bucket_alloc_state *s,
619 		 bool nonblocking,
620 		 const char *err),
621 	TP_ARGS(ca, alloc_reserve, bucket, free, avail,
622 		copygc_wait_amount, copygc_waiting_for,
623 		s, nonblocking, err)
624 );
625 
626 DEFINE_EVENT(bucket_alloc, bucket_alloc_fail,
627 	TP_PROTO(struct bch_dev *ca, const char *alloc_reserve,
628 		 u64 bucket,
629 		 u64 free,
630 		 u64 avail,
631 		 u64 copygc_wait_amount,
632 		 s64 copygc_waiting_for,
633 		 struct bucket_alloc_state *s,
634 		 bool nonblocking,
635 		 const char *err),
636 	TP_ARGS(ca, alloc_reserve, bucket, free, avail,
637 		copygc_wait_amount, copygc_waiting_for,
638 		s, nonblocking, err)
639 );
640 
641 TRACE_EVENT(discard_buckets,
642 	TP_PROTO(struct bch_fs *c, u64 seen, u64 open,
643 		 u64 need_journal_commit, u64 discarded, const char *err),
644 	TP_ARGS(c, seen, open, need_journal_commit, discarded, err),
645 
646 	TP_STRUCT__entry(
647 		__field(dev_t,		dev			)
648 		__field(u64,		seen			)
649 		__field(u64,		open			)
650 		__field(u64,		need_journal_commit	)
651 		__field(u64,		discarded		)
652 		__array(char,		err,	16		)
653 	),
654 
655 	TP_fast_assign(
656 		__entry->dev			= c->dev;
657 		__entry->seen			= seen;
658 		__entry->open			= open;
659 		__entry->need_journal_commit	= need_journal_commit;
660 		__entry->discarded		= discarded;
661 		strscpy(__entry->err, err, sizeof(__entry->err));
662 	),
663 
664 	TP_printk("%d%d seen %llu open %llu need_journal_commit %llu discarded %llu err %s",
665 		  MAJOR(__entry->dev), MINOR(__entry->dev),
666 		  __entry->seen,
667 		  __entry->open,
668 		  __entry->need_journal_commit,
669 		  __entry->discarded,
670 		  __entry->err)
671 );
672 
673 TRACE_EVENT(bucket_invalidate,
674 	TP_PROTO(struct bch_fs *c, unsigned dev, u64 bucket, u32 sectors),
675 	TP_ARGS(c, dev, bucket, sectors),
676 
677 	TP_STRUCT__entry(
678 		__field(dev_t,		dev			)
679 		__field(u32,		dev_idx			)
680 		__field(u32,		sectors			)
681 		__field(u64,		bucket			)
682 	),
683 
684 	TP_fast_assign(
685 		__entry->dev		= c->dev;
686 		__entry->dev_idx	= dev;
687 		__entry->sectors	= sectors;
688 		__entry->bucket		= bucket;
689 	),
690 
691 	TP_printk("%d:%d invalidated %u:%llu cached sectors %u",
692 		  MAJOR(__entry->dev), MINOR(__entry->dev),
693 		  __entry->dev_idx, __entry->bucket,
694 		  __entry->sectors)
695 );
696 
697 /* Moving IO */
698 
699 TRACE_EVENT(bucket_evacuate,
700 	TP_PROTO(struct bch_fs *c, struct bpos *bucket),
701 	TP_ARGS(c, bucket),
702 
703 	TP_STRUCT__entry(
704 		__field(dev_t,		dev			)
705 		__field(u32,		dev_idx			)
706 		__field(u64,		bucket			)
707 	),
708 
709 	TP_fast_assign(
710 		__entry->dev		= c->dev;
711 		__entry->dev_idx	= bucket->inode;
712 		__entry->bucket		= bucket->offset;
713 	),
714 
715 	TP_printk("%d:%d %u:%llu",
716 		  MAJOR(__entry->dev), MINOR(__entry->dev),
717 		  __entry->dev_idx, __entry->bucket)
718 );
719 
720 DEFINE_EVENT(bkey, move_extent,
721 	TP_PROTO(struct bch_fs *c, const char *k),
722 	TP_ARGS(c, k)
723 );
724 
725 DEFINE_EVENT(bkey, move_extent_read,
726 	TP_PROTO(struct bch_fs *c, const char *k),
727 	TP_ARGS(c, k)
728 );
729 
730 DEFINE_EVENT(bkey, move_extent_write,
731 	TP_PROTO(struct bch_fs *c, const char *k),
732 	TP_ARGS(c, k)
733 );
734 
735 DEFINE_EVENT(bkey, move_extent_finish,
736 	TP_PROTO(struct bch_fs *c, const char *k),
737 	TP_ARGS(c, k)
738 );
739 
740 TRACE_EVENT(move_extent_fail,
741 	TP_PROTO(struct bch_fs *c, const char *msg),
742 	TP_ARGS(c, msg),
743 
744 	TP_STRUCT__entry(
745 		__field(dev_t,		dev			)
746 		__string(msg,		msg			)
747 	),
748 
749 	TP_fast_assign(
750 		__entry->dev		= c->dev;
751 		__assign_str(msg, msg);
752 	),
753 
754 	TP_printk("%d:%d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __get_str(msg))
755 );
756 
757 DEFINE_EVENT(bkey, move_extent_start_fail,
758 	TP_PROTO(struct bch_fs *c, const char *str),
759 	TP_ARGS(c, str)
760 );
761 
762 TRACE_EVENT(move_data,
763 	TP_PROTO(struct bch_fs *c,
764 		 struct bch_move_stats *stats),
765 	TP_ARGS(c, stats),
766 
767 	TP_STRUCT__entry(
768 		__field(dev_t,		dev		)
769 		__field(u64,		keys_moved	)
770 		__field(u64,		keys_raced	)
771 		__field(u64,		sectors_seen	)
772 		__field(u64,		sectors_moved	)
773 		__field(u64,		sectors_raced	)
774 	),
775 
776 	TP_fast_assign(
777 		__entry->dev		= c->dev;
778 		__entry->keys_moved	= atomic64_read(&stats->keys_moved);
779 		__entry->keys_raced	= atomic64_read(&stats->keys_raced);
780 		__entry->sectors_seen	= atomic64_read(&stats->sectors_seen);
781 		__entry->sectors_moved	= atomic64_read(&stats->sectors_moved);
782 		__entry->sectors_raced	= atomic64_read(&stats->sectors_raced);
783 	),
784 
785 	TP_printk("%d,%d keys moved %llu raced %llu"
786 		  "sectors seen %llu moved %llu raced %llu",
787 		  MAJOR(__entry->dev), MINOR(__entry->dev),
788 		  __entry->keys_moved,
789 		  __entry->keys_raced,
790 		  __entry->sectors_seen,
791 		  __entry->sectors_moved,
792 		  __entry->sectors_raced)
793 );
794 
795 TRACE_EVENT(evacuate_bucket,
796 	TP_PROTO(struct bch_fs *c, struct bpos *bucket,
797 		 unsigned sectors, unsigned bucket_size,
798 		 u64 fragmentation, int ret),
799 	TP_ARGS(c, bucket, sectors, bucket_size, fragmentation, ret),
800 
801 	TP_STRUCT__entry(
802 		__field(dev_t,		dev		)
803 		__field(u64,		member		)
804 		__field(u64,		bucket		)
805 		__field(u32,		sectors		)
806 		__field(u32,		bucket_size	)
807 		__field(u64,		fragmentation	)
808 		__field(int,		ret		)
809 	),
810 
811 	TP_fast_assign(
812 		__entry->dev			= c->dev;
813 		__entry->member			= bucket->inode;
814 		__entry->bucket			= bucket->offset;
815 		__entry->sectors		= sectors;
816 		__entry->bucket_size		= bucket_size;
817 		__entry->fragmentation		= fragmentation;
818 		__entry->ret			= ret;
819 	),
820 
821 	TP_printk("%d,%d %llu:%llu sectors %u/%u fragmentation %llu ret %i",
822 		  MAJOR(__entry->dev), MINOR(__entry->dev),
823 		  __entry->member, __entry->bucket,
824 		  __entry->sectors, __entry->bucket_size,
825 		  __entry->fragmentation, __entry->ret)
826 );
827 
828 TRACE_EVENT(copygc,
829 	TP_PROTO(struct bch_fs *c,
830 		 u64 sectors_moved, u64 sectors_not_moved,
831 		 u64 buckets_moved, u64 buckets_not_moved),
832 	TP_ARGS(c,
833 		sectors_moved, sectors_not_moved,
834 		buckets_moved, buckets_not_moved),
835 
836 	TP_STRUCT__entry(
837 		__field(dev_t,		dev			)
838 		__field(u64,		sectors_moved		)
839 		__field(u64,		sectors_not_moved	)
840 		__field(u64,		buckets_moved		)
841 		__field(u64,		buckets_not_moved	)
842 	),
843 
844 	TP_fast_assign(
845 		__entry->dev			= c->dev;
846 		__entry->sectors_moved		= sectors_moved;
847 		__entry->sectors_not_moved	= sectors_not_moved;
848 		__entry->buckets_moved		= buckets_moved;
849 		__entry->buckets_not_moved = buckets_moved;
850 	),
851 
852 	TP_printk("%d,%d sectors moved %llu remain %llu buckets moved %llu remain %llu",
853 		  MAJOR(__entry->dev), MINOR(__entry->dev),
854 		  __entry->sectors_moved, __entry->sectors_not_moved,
855 		  __entry->buckets_moved, __entry->buckets_not_moved)
856 );
857 
858 TRACE_EVENT(copygc_wait,
859 	TP_PROTO(struct bch_fs *c,
860 		 u64 wait_amount, u64 until),
861 	TP_ARGS(c, wait_amount, until),
862 
863 	TP_STRUCT__entry(
864 		__field(dev_t,		dev			)
865 		__field(u64,		wait_amount		)
866 		__field(u64,		until			)
867 	),
868 
869 	TP_fast_assign(
870 		__entry->dev		= c->dev;
871 		__entry->wait_amount	= wait_amount;
872 		__entry->until		= until;
873 	),
874 
875 	TP_printk("%d,%u waiting for %llu sectors until %llu",
876 		  MAJOR(__entry->dev), MINOR(__entry->dev),
877 		  __entry->wait_amount, __entry->until)
878 );
879 
880 /* btree transactions: */
881 
882 DECLARE_EVENT_CLASS(transaction_event,
883 	TP_PROTO(struct btree_trans *trans,
884 		 unsigned long caller_ip),
885 	TP_ARGS(trans, caller_ip),
886 
887 	TP_STRUCT__entry(
888 		__array(char,			trans_fn, 32	)
889 		__field(unsigned long,		caller_ip	)
890 	),
891 
892 	TP_fast_assign(
893 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
894 		__entry->caller_ip		= caller_ip;
895 	),
896 
897 	TP_printk("%s %pS", __entry->trans_fn, (void *) __entry->caller_ip)
898 );
899 
900 DEFINE_EVENT(transaction_event,	transaction_commit,
901 	TP_PROTO(struct btree_trans *trans,
902 		 unsigned long caller_ip),
903 	TP_ARGS(trans, caller_ip)
904 );
905 
906 DEFINE_EVENT(transaction_event,	trans_restart_injected,
907 	TP_PROTO(struct btree_trans *trans,
908 		 unsigned long caller_ip),
909 	TP_ARGS(trans, caller_ip)
910 );
911 
912 TRACE_EVENT(trans_restart_split_race,
913 	TP_PROTO(struct btree_trans *trans,
914 		 unsigned long caller_ip,
915 		 struct btree *b),
916 	TP_ARGS(trans, caller_ip, b),
917 
918 	TP_STRUCT__entry(
919 		__array(char,			trans_fn, 32	)
920 		__field(unsigned long,		caller_ip	)
921 		__field(u8,			level		)
922 		__field(u16,			written		)
923 		__field(u16,			blocks		)
924 		__field(u16,			u64s_remaining	)
925 	),
926 
927 	TP_fast_assign(
928 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
929 		__entry->caller_ip		= caller_ip;
930 		__entry->level		= b->c.level;
931 		__entry->written	= b->written;
932 		__entry->blocks		= btree_blocks(trans->c);
933 		__entry->u64s_remaining	= bch_btree_keys_u64s_remaining(trans->c, b);
934 	),
935 
936 	TP_printk("%s %pS l=%u written %u/%u u64s remaining %u",
937 		  __entry->trans_fn, (void *) __entry->caller_ip,
938 		  __entry->level,
939 		  __entry->written, __entry->blocks,
940 		  __entry->u64s_remaining)
941 );
942 
943 DEFINE_EVENT(transaction_event,	trans_blocked_journal_reclaim,
944 	TP_PROTO(struct btree_trans *trans,
945 		 unsigned long caller_ip),
946 	TP_ARGS(trans, caller_ip)
947 );
948 
949 TRACE_EVENT(trans_restart_journal_preres_get,
950 	TP_PROTO(struct btree_trans *trans,
951 		 unsigned long caller_ip,
952 		 unsigned flags),
953 	TP_ARGS(trans, caller_ip, flags),
954 
955 	TP_STRUCT__entry(
956 		__array(char,			trans_fn, 32	)
957 		__field(unsigned long,		caller_ip	)
958 		__field(unsigned,		flags		)
959 	),
960 
961 	TP_fast_assign(
962 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
963 		__entry->caller_ip		= caller_ip;
964 		__entry->flags			= flags;
965 	),
966 
967 	TP_printk("%s %pS %x", __entry->trans_fn,
968 		  (void *) __entry->caller_ip,
969 		  __entry->flags)
970 );
971 
972 DEFINE_EVENT(transaction_event,	trans_restart_fault_inject,
973 	TP_PROTO(struct btree_trans *trans,
974 		 unsigned long caller_ip),
975 	TP_ARGS(trans, caller_ip)
976 );
977 
978 DEFINE_EVENT(transaction_event,	trans_traverse_all,
979 	TP_PROTO(struct btree_trans *trans,
980 		 unsigned long caller_ip),
981 	TP_ARGS(trans, caller_ip)
982 );
983 
984 DEFINE_EVENT(transaction_event,	trans_restart_key_cache_raced,
985 	TP_PROTO(struct btree_trans *trans,
986 		 unsigned long caller_ip),
987 	TP_ARGS(trans, caller_ip)
988 );
989 
990 DEFINE_EVENT(transaction_event,	trans_restart_too_many_iters,
991 	TP_PROTO(struct btree_trans *trans,
992 		 unsigned long caller_ip),
993 	TP_ARGS(trans, caller_ip)
994 );
995 
996 DECLARE_EVENT_CLASS(transaction_restart_iter,
997 	TP_PROTO(struct btree_trans *trans,
998 		 unsigned long caller_ip,
999 		 struct btree_path *path),
1000 	TP_ARGS(trans, caller_ip, path),
1001 
1002 	TP_STRUCT__entry(
1003 		__array(char,			trans_fn, 32	)
1004 		__field(unsigned long,		caller_ip	)
1005 		__field(u8,			btree_id	)
1006 		TRACE_BPOS_entries(pos)
1007 	),
1008 
1009 	TP_fast_assign(
1010 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1011 		__entry->caller_ip		= caller_ip;
1012 		__entry->btree_id		= path->btree_id;
1013 		TRACE_BPOS_assign(pos, path->pos)
1014 	),
1015 
1016 	TP_printk("%s %pS btree %s pos %llu:%llu:%u",
1017 		  __entry->trans_fn,
1018 		  (void *) __entry->caller_ip,
1019 		  bch2_btree_id_str(__entry->btree_id),
1020 		  __entry->pos_inode,
1021 		  __entry->pos_offset,
1022 		  __entry->pos_snapshot)
1023 );
1024 
1025 DEFINE_EVENT(transaction_restart_iter,	trans_restart_btree_node_reused,
1026 	TP_PROTO(struct btree_trans *trans,
1027 		 unsigned long caller_ip,
1028 		 struct btree_path *path),
1029 	TP_ARGS(trans, caller_ip, path)
1030 );
1031 
1032 DEFINE_EVENT(transaction_restart_iter,	trans_restart_btree_node_split,
1033 	TP_PROTO(struct btree_trans *trans,
1034 		 unsigned long caller_ip,
1035 		 struct btree_path *path),
1036 	TP_ARGS(trans, caller_ip, path)
1037 );
1038 
1039 struct get_locks_fail;
1040 
1041 TRACE_EVENT(trans_restart_upgrade,
1042 	TP_PROTO(struct btree_trans *trans,
1043 		 unsigned long caller_ip,
1044 		 struct btree_path *path,
1045 		 unsigned old_locks_want,
1046 		 unsigned new_locks_want,
1047 		 struct get_locks_fail *f),
1048 	TP_ARGS(trans, caller_ip, path, old_locks_want, new_locks_want, f),
1049 
1050 	TP_STRUCT__entry(
1051 		__array(char,			trans_fn, 32	)
1052 		__field(unsigned long,		caller_ip	)
1053 		__field(u8,			btree_id	)
1054 		__field(u8,			old_locks_want	)
1055 		__field(u8,			new_locks_want	)
1056 		__field(u8,			level		)
1057 		__field(u32,			path_seq	)
1058 		__field(u32,			node_seq	)
1059 		__field(u32,			path_alloc_seq	)
1060 		__field(u32,			downgrade_seq)
1061 		TRACE_BPOS_entries(pos)
1062 	),
1063 
1064 	TP_fast_assign(
1065 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1066 		__entry->caller_ip		= caller_ip;
1067 		__entry->btree_id		= path->btree_id;
1068 		__entry->old_locks_want		= old_locks_want;
1069 		__entry->new_locks_want		= new_locks_want;
1070 		__entry->level			= f->l;
1071 		__entry->path_seq		= path->l[f->l].lock_seq;
1072 		__entry->node_seq		= IS_ERR_OR_NULL(f->b) ? 0 : f->b->c.lock.seq;
1073 		__entry->path_alloc_seq		= path->alloc_seq;
1074 		__entry->downgrade_seq		= path->downgrade_seq;
1075 		TRACE_BPOS_assign(pos, path->pos)
1076 	),
1077 
1078 	TP_printk("%s %pS btree %s pos %llu:%llu:%u locks_want %u -> %u level %u path seq %u node seq %u alloc_seq %u downgrade_seq %u",
1079 		  __entry->trans_fn,
1080 		  (void *) __entry->caller_ip,
1081 		  bch2_btree_id_str(__entry->btree_id),
1082 		  __entry->pos_inode,
1083 		  __entry->pos_offset,
1084 		  __entry->pos_snapshot,
1085 		  __entry->old_locks_want,
1086 		  __entry->new_locks_want,
1087 		  __entry->level,
1088 		  __entry->path_seq,
1089 		  __entry->node_seq,
1090 		  __entry->path_alloc_seq,
1091 		  __entry->downgrade_seq)
1092 );
1093 
1094 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock,
1095 	TP_PROTO(struct btree_trans *trans,
1096 		 unsigned long caller_ip,
1097 		 struct btree_path *path),
1098 	TP_ARGS(trans, caller_ip, path)
1099 );
1100 
1101 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_next_node,
1102 	TP_PROTO(struct btree_trans *trans,
1103 		 unsigned long caller_ip,
1104 		 struct btree_path *path),
1105 	TP_ARGS(trans, caller_ip, path)
1106 );
1107 
1108 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_parent_for_fill,
1109 	TP_PROTO(struct btree_trans *trans,
1110 		 unsigned long caller_ip,
1111 		 struct btree_path *path),
1112 	TP_ARGS(trans, caller_ip, path)
1113 );
1114 
1115 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_after_fill,
1116 	TP_PROTO(struct btree_trans *trans,
1117 		 unsigned long caller_ip,
1118 		 struct btree_path *path),
1119 	TP_ARGS(trans, caller_ip, path)
1120 );
1121 
1122 DEFINE_EVENT(transaction_event,	trans_restart_key_cache_upgrade,
1123 	TP_PROTO(struct btree_trans *trans,
1124 		 unsigned long caller_ip),
1125 	TP_ARGS(trans, caller_ip)
1126 );
1127 
1128 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_key_cache_fill,
1129 	TP_PROTO(struct btree_trans *trans,
1130 		 unsigned long caller_ip,
1131 		 struct btree_path *path),
1132 	TP_ARGS(trans, caller_ip, path)
1133 );
1134 
1135 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_path,
1136 	TP_PROTO(struct btree_trans *trans,
1137 		 unsigned long caller_ip,
1138 		 struct btree_path *path),
1139 	TP_ARGS(trans, caller_ip, path)
1140 );
1141 
1142 DEFINE_EVENT(transaction_restart_iter,	trans_restart_relock_path_intent,
1143 	TP_PROTO(struct btree_trans *trans,
1144 		 unsigned long caller_ip,
1145 		 struct btree_path *path),
1146 	TP_ARGS(trans, caller_ip, path)
1147 );
1148 
1149 DEFINE_EVENT(transaction_restart_iter,	trans_restart_traverse,
1150 	TP_PROTO(struct btree_trans *trans,
1151 		 unsigned long caller_ip,
1152 		 struct btree_path *path),
1153 	TP_ARGS(trans, caller_ip, path)
1154 );
1155 
1156 DEFINE_EVENT(transaction_restart_iter,	trans_restart_memory_allocation_failure,
1157 	TP_PROTO(struct btree_trans *trans,
1158 		 unsigned long caller_ip,
1159 		 struct btree_path *path),
1160 	TP_ARGS(trans, caller_ip, path)
1161 );
1162 
1163 DEFINE_EVENT(transaction_event,	trans_restart_would_deadlock,
1164 	TP_PROTO(struct btree_trans *trans,
1165 		 unsigned long caller_ip),
1166 	TP_ARGS(trans, caller_ip)
1167 );
1168 
1169 DEFINE_EVENT(transaction_event,	trans_restart_would_deadlock_recursion_limit,
1170 	TP_PROTO(struct btree_trans *trans,
1171 		 unsigned long caller_ip),
1172 	TP_ARGS(trans, caller_ip)
1173 );
1174 
1175 TRACE_EVENT(trans_restart_would_deadlock_write,
1176 	TP_PROTO(struct btree_trans *trans),
1177 	TP_ARGS(trans),
1178 
1179 	TP_STRUCT__entry(
1180 		__array(char,			trans_fn, 32	)
1181 	),
1182 
1183 	TP_fast_assign(
1184 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1185 	),
1186 
1187 	TP_printk("%s", __entry->trans_fn)
1188 );
1189 
1190 TRACE_EVENT(trans_restart_mem_realloced,
1191 	TP_PROTO(struct btree_trans *trans,
1192 		 unsigned long caller_ip,
1193 		 unsigned long bytes),
1194 	TP_ARGS(trans, caller_ip, bytes),
1195 
1196 	TP_STRUCT__entry(
1197 		__array(char,			trans_fn, 32	)
1198 		__field(unsigned long,		caller_ip	)
1199 		__field(unsigned long,		bytes		)
1200 	),
1201 
1202 	TP_fast_assign(
1203 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1204 		__entry->caller_ip	= caller_ip;
1205 		__entry->bytes		= bytes;
1206 	),
1207 
1208 	TP_printk("%s %pS bytes %lu",
1209 		  __entry->trans_fn,
1210 		  (void *) __entry->caller_ip,
1211 		  __entry->bytes)
1212 );
1213 
1214 TRACE_EVENT(trans_restart_key_cache_key_realloced,
1215 	TP_PROTO(struct btree_trans *trans,
1216 		 unsigned long caller_ip,
1217 		 struct btree_path *path,
1218 		 unsigned old_u64s,
1219 		 unsigned new_u64s),
1220 	TP_ARGS(trans, caller_ip, path, old_u64s, new_u64s),
1221 
1222 	TP_STRUCT__entry(
1223 		__array(char,			trans_fn, 32	)
1224 		__field(unsigned long,		caller_ip	)
1225 		__field(enum btree_id,		btree_id	)
1226 		TRACE_BPOS_entries(pos)
1227 		__field(u32,			old_u64s	)
1228 		__field(u32,			new_u64s	)
1229 	),
1230 
1231 	TP_fast_assign(
1232 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1233 		__entry->caller_ip		= caller_ip;
1234 
1235 		__entry->btree_id	= path->btree_id;
1236 		TRACE_BPOS_assign(pos, path->pos);
1237 		__entry->old_u64s	= old_u64s;
1238 		__entry->new_u64s	= new_u64s;
1239 	),
1240 
1241 	TP_printk("%s %pS btree %s pos %llu:%llu:%u old_u64s %u new_u64s %u",
1242 		  __entry->trans_fn,
1243 		  (void *) __entry->caller_ip,
1244 		  bch2_btree_id_str(__entry->btree_id),
1245 		  __entry->pos_inode,
1246 		  __entry->pos_offset,
1247 		  __entry->pos_snapshot,
1248 		  __entry->old_u64s,
1249 		  __entry->new_u64s)
1250 );
1251 
1252 TRACE_EVENT(path_downgrade,
1253 	TP_PROTO(struct btree_trans *trans,
1254 		 unsigned long caller_ip,
1255 		 struct btree_path *path),
1256 	TP_ARGS(trans, caller_ip, path),
1257 
1258 	TP_STRUCT__entry(
1259 		__array(char,			trans_fn, 32	)
1260 		__field(unsigned long,		caller_ip	)
1261 	),
1262 
1263 	TP_fast_assign(
1264 		strscpy(__entry->trans_fn, trans->fn, sizeof(__entry->trans_fn));
1265 		__entry->caller_ip		= caller_ip;
1266 	),
1267 
1268 	TP_printk("%s %pS",
1269 		  __entry->trans_fn,
1270 		  (void *) __entry->caller_ip)
1271 );
1272 
1273 DEFINE_EVENT(transaction_event,	trans_restart_write_buffer_flush,
1274 	TP_PROTO(struct btree_trans *trans,
1275 		 unsigned long caller_ip),
1276 	TP_ARGS(trans, caller_ip)
1277 );
1278 
1279 TRACE_EVENT(write_buffer_flush,
1280 	TP_PROTO(struct btree_trans *trans, size_t nr, size_t skipped, size_t fast, size_t size),
1281 	TP_ARGS(trans, nr, skipped, fast, size),
1282 
1283 	TP_STRUCT__entry(
1284 		__field(size_t,		nr		)
1285 		__field(size_t,		skipped		)
1286 		__field(size_t,		fast		)
1287 		__field(size_t,		size		)
1288 	),
1289 
1290 	TP_fast_assign(
1291 		__entry->nr	= nr;
1292 		__entry->skipped = skipped;
1293 		__entry->fast	= fast;
1294 		__entry->size	= size;
1295 	),
1296 
1297 	TP_printk("%zu/%zu skipped %zu fast %zu",
1298 		  __entry->nr, __entry->size, __entry->skipped, __entry->fast)
1299 );
1300 
1301 TRACE_EVENT(write_buffer_flush_slowpath,
1302 	TP_PROTO(struct btree_trans *trans, size_t nr, size_t size),
1303 	TP_ARGS(trans, nr, size),
1304 
1305 	TP_STRUCT__entry(
1306 		__field(size_t,		nr		)
1307 		__field(size_t,		size		)
1308 	),
1309 
1310 	TP_fast_assign(
1311 		__entry->nr	= nr;
1312 		__entry->size	= size;
1313 	),
1314 
1315 	TP_printk("%zu/%zu", __entry->nr, __entry->size)
1316 );
1317 
1318 #endif /* _TRACE_BCACHEFS_H */
1319 
1320 /* This part must be outside protection */
1321 #undef TRACE_INCLUDE_PATH
1322 #define TRACE_INCLUDE_PATH ../../fs/bcachefs
1323 
1324 #undef TRACE_INCLUDE_FILE
1325 #define TRACE_INCLUDE_FILE trace
1326 
1327 #include <trace/define_trace.h>
1328