[linux-2.6-block.git] / include / trace / events / bcache.h

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM bcache

#if !defined(_TRACE_BCACHE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_BCACHE_H

#include <linux/tracepoint.h>

DECLARE_EVENT_CLASS(bcache_request,
	TP_PROTO(struct bcache_device *d, struct bio *bio),
	TP_ARGS(d, bio),

	TP_STRUCT__entry(
		__field(dev_t,		dev			)
		__field(unsigned int,	orig_major		)
		__field(unsigned int,	orig_minor		)
		__field(sector_t,	sector			)
		__field(dev_t,		orig_sector		)
		__field(unsigned int,	nr_sector		)
		__array(char,		rwbs,	6		)
	),

	TP_fast_assign(
		__entry->dev		= bio_dev(bio);
		__entry->orig_major	= d->disk->major;
		__entry->orig_minor	= d->disk->first_minor;
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->orig_sector	= bio->bi_iter.bi_sector - 16;
		__entry->nr_sector	= bio->bi_iter.bi_size >> 9;
		blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
	),

	TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)",
		  MAJOR(__entry->dev), MINOR(__entry->dev),
		  __entry->rwbs, (unsigned long long)__entry->sector,
		  __entry->nr_sector, __entry->orig_major, __entry->orig_minor,
		  (unsigned long long)__entry->orig_sector)
);

DECLARE_EVENT_CLASS(bkey,
	TP_PROTO(struct bkey *k),
	TP_ARGS(k),

	TP_STRUCT__entry(
		__field(u32,	size				)
		__field(u32,	inode				)
		__field(u64,	offset				)
		__field(bool,	dirty				)
	),

	TP_fast_assign(
		__entry->inode	= KEY_INODE(k);
		__entry->offset	= KEY_OFFSET(k);
		__entry->size	= KEY_SIZE(k);
		__entry->dirty	= KEY_DIRTY(k);
	),

	TP_printk("%u:%llu len %u dirty %u", __entry->inode,
		  __entry->offset, __entry->size, __entry->dirty)
);

DECLARE_EVENT_CLASS(btree_node,
	TP_PROTO(struct btree *b),
	TP_ARGS(b),

	TP_STRUCT__entry(
		__field(size_t,		bucket			)
	),

	TP_fast_assign(
		__entry->bucket	= PTR_BUCKET_NR(b->c, &b->key, 0);
	),

	TP_printk("bucket %zu", __entry->bucket)
);

/* request.c */

DEFINE_EVENT(bcache_request, bcache_request_start,
	TP_PROTO(struct bcache_device *d, struct bio *bio),
	TP_ARGS(d, bio)
);

DEFINE_EVENT(bcache_request, bcache_request_end,
	TP_PROTO(struct bcache_device *d, struct bio *bio),
	TP_ARGS(d, bio)
);

DECLARE_EVENT_CLASS(bcache_bio,
	TP_PROTO(struct bio *bio),
	TP_ARGS(bio),

	TP_STRUCT__entry(
		__field(dev_t,		dev			)
		__field(sector_t,	sector			)
		__field(unsigned int,	nr_sector		)
		__array(char,		rwbs,	6		)
	),

	TP_fast_assign(
		__entry->dev		= bio_dev(bio);
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->nr_sector	= bio->bi_iter.bi_size >> 9;
		blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
	),

	TP_printk("%d,%d  %s %llu + %u",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
		  (unsigned long long)__entry->sector, __entry->nr_sector)
);

DEFINE_EVENT(bcache_bio, bcache_bypass_sequential,
	TP_PROTO(struct bio *bio),
	TP_ARGS(bio)
);

DEFINE_EVENT(bcache_bio, bcache_bypass_congested,
	TP_PROTO(struct bio *bio),
	TP_ARGS(bio)
);

TRACE_EVENT(bcache_read,
	TP_PROTO(struct bio *bio, bool hit, bool bypass),
	TP_ARGS(bio, hit, bypass),

	TP_STRUCT__entry(
		__field(dev_t,		dev			)
		__field(sector_t,	sector			)
		__field(unsigned int,	nr_sector		)
		__array(char,		rwbs,	6		)
		__field(bool,		cache_hit		)
		__field(bool,		bypass			)
	),

	TP_fast_assign(
		__entry->dev		= bio_dev(bio);
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->nr_sector	= bio->bi_iter.bi_size >> 9;
		blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
		__entry->cache_hit = hit;
		__entry->bypass = bypass;
	),

	TP_printk("%d,%d  %s %llu + %u hit %u bypass %u",
		  MAJOR(__entry->dev), MINOR(__entry->dev),
		  __entry->rwbs, (unsigned long long)__entry->sector,
		  __entry->nr_sector, __entry->cache_hit, __entry->bypass)
);

TRACE_EVENT(bcache_write,
	TP_PROTO(struct cache_set *c, u64 inode, struct bio *bio,
		bool writeback, bool bypass),
	TP_ARGS(c, inode, bio, writeback, bypass),

	TP_STRUCT__entry(
		__array(char,		uuid,	16		)
		__field(u64,		inode			)
		__field(sector_t,	sector			)
		__field(unsigned int,	nr_sector		)
		__array(char,		rwbs,	6		)
		__field(bool,		writeback		)
		__field(bool,		bypass			)
	),

	TP_fast_assign(
		memcpy(__entry->uuid, c->sb.set_uuid, 16);
		__entry->inode		= inode;
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->nr_sector	= bio->bi_iter.bi_size >> 9;
		blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
		__entry->writeback = writeback;
		__entry->bypass = bypass;
	),

	TP_printk("%pU inode %llu  %s %llu + %u hit %u bypass %u",
		  __entry->uuid, __entry->inode,
		  __entry->rwbs, (unsigned long long)__entry->sector,
		  __entry->nr_sector, __entry->writeback, __entry->bypass)
);

DEFINE_EVENT(bcache_bio, bcache_read_retry,
	TP_PROTO(struct bio *bio),
	TP_ARGS(bio)
);

DEFINE_EVENT(bkey, bcache_cache_insert,
	TP_PROTO(struct bkey *k),
	TP_ARGS(k)
);

/* Journal */

DECLARE_EVENT_CLASS(cache_set,
	TP_PROTO(struct cache_set *c),
	TP_ARGS(c),

	TP_STRUCT__entry(
		__array(char,		uuid,	16 )
	),

	TP_fast_assign(
		memcpy(__entry->uuid, c->sb.set_uuid, 16);
	),

	TP_printk("%pU", __entry->uuid)
);

DEFINE_EVENT(bkey, bcache_journal_replay_key,
	TP_PROTO(struct bkey *k),
	TP_ARGS(k)
);

DEFINE_EVENT(cache_set, bcache_journal_full,
	TP_PROTO(struct cache_set *c),
	TP_ARGS(c)
);

DEFINE_EVENT(cache_set, bcache_journal_entry_full,
	TP_PROTO(struct cache_set *c),
	TP_ARGS(c)
);

DEFINE_EVENT(bcache_bio, bcache_journal_write,
	TP_PROTO(struct bio *bio),
	TP_ARGS(bio)
);

/* Btree */

DEFINE_EVENT(cache_set, bcache_btree_cache_cannibalize,
	TP_PROTO(struct cache_set *c),
	TP_ARGS(c)
);

DEFINE_EVENT(btree_node, bcache_btree_read,
	TP_PROTO(struct btree *b),
	TP_ARGS(b)
);

TRACE_EVENT(bcache_btree_write,
	TP_PROTO(struct btree *b),
	TP_ARGS(b),

	TP_STRUCT__entry(
		__field(size_t,		bucket			)
		__field(unsigned,	block			)
		__field(unsigned,	keys			)
	),

	TP_fast_assign(
		__entry->bucket	= PTR_BUCKET_NR(b->c, &b->key, 0);
		__entry->block	= b->written;
		__entry->keys	= b->keys.set[b->keys.nsets].data->keys;
	),

	TP_printk("bucket %zu", __entry->bucket)
);

DEFINE_EVENT(btree_node, bcache_btree_node_alloc,
	TP_PROTO(struct btree *b),
	TP_ARGS(b)
);

DEFINE_EVENT(cache_set, bcache_btree_node_alloc_fail,
	TP_PROTO(struct cache_set *c),
	TP_ARGS(c)
);

DEFINE_EVENT(btree_node, bcache_btree_node_free,
	TP_PROTO(struct btree *b),
	TP_ARGS(b)
);

TRACE_EVENT(bcache_btree_gc_coalesce,
	TP_PROTO(unsigned nodes),
	TP_ARGS(nodes),

	TP_STRUCT__entry(
		__field(unsigned,	nodes			)
	),

	TP_fast_assign(
		__entry->nodes	= nodes;
	),

	TP_printk("coalesced %u nodes", __entry->nodes)
);

DEFINE_EVENT(cache_set, bcache_gc_start,
	TP_PROTO(struct cache_set *c),
	TP_ARGS(c)
);

DEFINE_EVENT(cache_set, bcache_gc_end,
	TP_PROTO(struct cache_set *c),
	TP_ARGS(c)
);

DEFINE_EVENT(bkey, bcache_gc_copy,
	TP_PROTO(struct bkey *k),
	TP_ARGS(k)
);

DEFINE_EVENT(bkey, bcache_gc_copy_collision,
	TP_PROTO(struct bkey *k),
	TP_ARGS(k)
);

TRACE_EVENT(bcache_btree_insert_key,
	TP_PROTO(struct btree *b, struct bkey *k, unsigned op, unsigned status),
	TP_ARGS(b, k, op, status),

	TP_STRUCT__entry(
		__field(u64,	btree_node			)
		__field(u32,	btree_level			)
		__field(u32,	inode				)
		__field(u64,	offset				)
		__field(u32,	size				)
		__field(u8,	dirty				)
		__field(u8,	op				)
		__field(u8,	status				)
	),

	TP_fast_assign(
		__entry->btree_node = PTR_BUCKET_NR(b->c, &b->key, 0);
		__entry->btree_level = b->level;
		__entry->inode	= KEY_INODE(k);
		__entry->offset	= KEY_OFFSET(k);
		__entry->size	= KEY_SIZE(k);
		__entry->dirty	= KEY_DIRTY(k);
		__entry->op = op;
		__entry->status = status;
	),

	TP_printk("%u for %u at %llu(%u): %u:%llu len %u dirty %u",
		  __entry->status, __entry->op,
		  __entry->btree_node, __entry->btree_level,
		  __entry->inode, __entry->offset,
		  __entry->size, __entry->dirty)
);

DECLARE_EVENT_CLASS(btree_split,
	TP_PROTO(struct btree *b, unsigned keys),
	TP_ARGS(b, keys),

	TP_STRUCT__entry(
		__field(size_t,		bucket			)
		__field(unsigned,	keys			)
	),

	TP_fast_assign(
		__entry->bucket	= PTR_BUCKET_NR(b->c, &b->key, 0);
		__entry->keys	= keys;
	),

	TP_printk("bucket %zu keys %u", __entry->bucket, __entry->keys)
);

DEFINE_EVENT(btree_split, bcache_btree_node_split,
	TP_PROTO(struct btree *b, unsigned keys),
	TP_ARGS(b, keys)
);

DEFINE_EVENT(btree_split, bcache_btree_node_compact,
	TP_PROTO(struct btree *b, unsigned keys),
	TP_ARGS(b, keys)
);

DEFINE_EVENT(btree_node, bcache_btree_set_root,
	TP_PROTO(struct btree *b),
	TP_ARGS(b)
);

TRACE_EVENT(bcache_keyscan,
	TP_PROTO(unsigned nr_found,
		 unsigned start_inode, uint64_t start_offset,
		 unsigned end_inode, uint64_t end_offset),
	TP_ARGS(nr_found,
		start_inode, start_offset,
		end_inode, end_offset),

	TP_STRUCT__entry(
		__field(__u32,	nr_found			)
		__field(__u32,	start_inode			)
		__field(__u64,	start_offset			)
		__field(__u32,	end_inode			)
		__field(__u64,	end_offset			)
	),

	TP_fast_assign(
		__entry->nr_found	= nr_found;
		__entry->start_inode	= start_inode;
		__entry->start_offset	= start_offset;
		__entry->end_inode	= end_inode;
		__entry->end_offset	= end_offset;
	),

	TP_printk("found %u keys from %u:%llu to %u:%llu", __entry->nr_found,
		  __entry->start_inode, __entry->start_offset,
		  __entry->end_inode, __entry->end_offset)
);

/* Allocator */

TRACE_EVENT(bcache_invalidate,
	TP_PROTO(struct cache *ca, size_t bucket),
	TP_ARGS(ca, bucket),

	TP_STRUCT__entry(
		__field(unsigned,	sectors			)
		__field(dev_t,		dev			)
		__field(__u64,		offset			)
	),

	TP_fast_assign(
		__entry->dev		= ca->bdev->bd_dev;
		__entry->offset		= bucket << ca->set->bucket_bits;
		__entry->sectors	= GC_SECTORS_USED(&ca->buckets[bucket]);
	),

	TP_printk("invalidated %u sectors at %d,%d sector=%llu",
		  __entry->sectors, MAJOR(__entry->dev),
		  MINOR(__entry->dev), __entry->offset)
);

TRACE_EVENT(bcache_alloc,
	TP_PROTO(struct cache *ca, size_t bucket),
	TP_ARGS(ca, bucket),

	TP_STRUCT__entry(
		__field(dev_t,		dev			)
		__field(__u64,		offset			)
	),

	TP_fast_assign(
		__entry->dev		= ca->bdev->bd_dev;
		__entry->offset		= bucket << ca->set->bucket_bits;
	),

	TP_printk("allocated %d,%d sector=%llu", MAJOR(__entry->dev),
		  MINOR(__entry->dev), __entry->offset)
);

TRACE_EVENT(bcache_alloc_fail,
	TP_PROTO(struct cache *ca, unsigned reserve),
	TP_ARGS(ca, reserve),

	TP_STRUCT__entry(
		__field(dev_t,		dev			)
		__field(unsigned,	free			)
		__field(unsigned,	free_inc		)
		__field(unsigned,	blocked			)
	),

	TP_fast_assign(
		__entry->dev		= ca->bdev->bd_dev;
		__entry->free		= fifo_used(&ca->free[reserve]);
		__entry->free_inc	= fifo_used(&ca->free_inc);
		__entry->blocked	= atomic_read(&ca->set->prio_blocked);
	),

	TP_printk("alloc fail %d,%d free %u free_inc %u blocked %u",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->free,
		  __entry->free_inc, __entry->blocked)
);

/* Background writeback */

DEFINE_EVENT(bkey, bcache_writeback,
	TP_PROTO(struct bkey *k),
	TP_ARGS(k)
);

DEFINE_EVENT(bkey, bcache_writeback_collision,
	TP_PROTO(struct bkey *k),
	TP_ARGS(k)
);

#endif /* _TRACE_BCACHE_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
cafe5635 KO	2	#undef TRACE_SYSTEM
	3	#define TRACE_SYSTEM bcache
	4
	5	#if !defined(_TRACE_BCACHE_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	6	#define _TRACE_BCACHE_H
	7
	8	#include <linux/tracepoint.h>
	9
cafe5635	10	DECLARE_EVENT_CLASS(bcache_request,
220bb38c KO	11	TP_PROTO(struct bcache_device d, struct bio bio),
220bb38c KO	12	TP_ARGS(d, bio),
cafe5635 KO	13
	14	TP_STRUCT__entry(
	15	__field(dev_t, dev )
	16	__field(unsigned int, orig_major )
	17	__field(unsigned int, orig_minor )
	18	__field(sector_t, sector )
	19	__field(dev_t, orig_sector )
	20	__field(unsigned int, nr_sector )
	21	__array(char, rwbs, 6 )
cafe5635 KO	22	),
	23
	24	TP_fast_assign(
74d46992	25	__entry->dev = bio_dev(bio);
220bb38c KO	26	__entry->orig_major = d->disk->major;
220bb38c KO	27	__entry->orig_minor = d->disk->first_minor;
4f024f37 KO	28	__entry->sector = bio->bi_iter.bi_sector;
	29	__entry->orig_sector = bio->bi_iter.bi_sector - 16;
	30	__entry->nr_sector = bio->bi_iter.bi_size >> 9;
ef295ecf	31	blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
cafe5635 KO	32	),
cafe5635 KO	33
c37511b8	34	TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)",
cafe5635	35	MAJOR(__entry->dev), MINOR(__entry->dev),
c37511b8 KO	36	__entry->rwbs, (unsigned long long)__entry->sector,
c37511b8 KO	37	__entry->nr_sector, __entry->orig_major, __entry->orig_minor,
cafe5635 KO	38	(unsigned long long)__entry->orig_sector)
	39	);
	40
c37511b8 KO	41	DECLARE_EVENT_CLASS(bkey,
	42	TP_PROTO(struct bkey *k),
	43	TP_ARGS(k),
cafe5635	44
c37511b8 KO	45	TP_STRUCT__entry(
	46	__field(u32, size )
	47	__field(u32, inode )
	48	__field(u64, offset )
	49	__field(bool, dirty )
	50	),
cafe5635	51
c37511b8 KO	52	TP_fast_assign(
	53	__entry->inode = KEY_INODE(k);
	54	__entry->offset = KEY_OFFSET(k);
	55	__entry->size = KEY_SIZE(k);
	56	__entry->dirty = KEY_DIRTY(k);
	57	),
	58
	59	TP_printk("%u:%llu len %u dirty %u", __entry->inode,
	60	__entry->offset, __entry->size, __entry->dirty)
cafe5635 KO	61	);
cafe5635 KO	62
c37511b8 KO	63	DECLARE_EVENT_CLASS(btree_node,
	64	TP_PROTO(struct btree *b),
	65	TP_ARGS(b),
	66
	67	TP_STRUCT__entry(
	68	__field(size_t, bucket )
	69	),
	70
	71	TP_fast_assign(
	72	__entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
	73	),
cafe5635	74
c37511b8 KO	75	TP_printk("bucket %zu", __entry->bucket)
	76	);
	77
	78	/* request.c */
	79
	80	DEFINE_EVENT(bcache_request, bcache_request_start,
220bb38c KO	81	TP_PROTO(struct bcache_device d, struct bio bio),
220bb38c KO	82	TP_ARGS(d, bio)
c37511b8	83	);
cafe5635	84
c37511b8	85	DEFINE_EVENT(bcache_request, bcache_request_end,
220bb38c KO	86	TP_PROTO(struct bcache_device d, struct bio bio),
220bb38c KO	87	TP_ARGS(d, bio)
cafe5635 KO	88	);
	89
	90	DECLARE_EVENT_CLASS(bcache_bio,
cafe5635	91	TP_PROTO(struct bio *bio),
cafe5635 KO	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 )
cafe5635 KO	99	),
	100
	101	TP_fast_assign(
74d46992	102	__entry->dev = bio_dev(bio);
4f024f37 KO	103	__entry->sector = bio->bi_iter.bi_sector;
4f024f37 KO	104	__entry->nr_sector = bio->bi_iter.bi_size >> 9;
ef295ecf	105	blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
cafe5635 KO	106	),
cafe5635 KO	107
c37511b8 KO	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)
cafe5635 KO	111	);
cafe5635 KO	112
c37511b8	113	DEFINE_EVENT(bcache_bio, bcache_bypass_sequential,
cafe5635	114	TP_PROTO(struct bio *bio),
cafe5635 KO	115	TP_ARGS(bio)
	116	);
	117
c37511b8	118	DEFINE_EVENT(bcache_bio, bcache_bypass_congested,
cafe5635	119	TP_PROTO(struct bio *bio),
cafe5635 KO	120	TP_ARGS(bio)
	121	);
	122
c37511b8 KO	123	TRACE_EVENT(bcache_read,
	124	TP_PROTO(struct bio *bio, bool hit, bool bypass),
	125	TP_ARGS(bio, hit, bypass),
cafe5635	126
c37511b8 KO	127	TP_STRUCT__entry(
	128	__field(dev_t, dev )
	129	__field(sector_t, sector )
	130	__field(unsigned int, nr_sector )
	131	__array(char, rwbs, 6 )
	132	__field(bool, cache_hit )
	133	__field(bool, bypass )
	134	),
cafe5635	135
c37511b8	136	TP_fast_assign(
74d46992	137	__entry->dev = bio_dev(bio);
4f024f37 KO	138	__entry->sector = bio->bi_iter.bi_sector;
4f024f37 KO	139	__entry->nr_sector = bio->bi_iter.bi_size >> 9;
ef295ecf	140	blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
c37511b8 KO	141	__entry->cache_hit = hit;
	142	__entry->bypass = bypass;
	143	),
	144
	145	TP_printk("%d,%d %s %llu + %u hit %u bypass %u",
	146	MAJOR(__entry->dev), MINOR(__entry->dev),
	147	__entry->rwbs, (unsigned long long)__entry->sector,
	148	__entry->nr_sector, __entry->cache_hit, __entry->bypass)
cafe5635 KO	149	);
cafe5635 KO	150
c37511b8	151	TRACE_EVENT(bcache_write,
60ae81ee SP	152	TP_PROTO(struct cache_set c, u64 inode, struct bio bio,
	153	bool writeback, bool bypass),
	154	TP_ARGS(c, inode, bio, writeback, bypass),
cafe5635	155
c37511b8	156	TP_STRUCT__entry(
60ae81ee SP	157	__array(char, uuid, 16 )
60ae81ee SP	158	__field(u64, inode )
c37511b8 KO	159	__field(sector_t, sector )
	160	__field(unsigned int, nr_sector )
	161	__array(char, rwbs, 6 )
	162	__field(bool, writeback )
	163	__field(bool, bypass )
	164	),
cafe5635	165
c37511b8	166	TP_fast_assign(
60ae81ee SP	167	memcpy(__entry->uuid, c->sb.set_uuid, 16);
60ae81ee SP	168	__entry->inode = inode;
4f024f37 KO	169	__entry->sector = bio->bi_iter.bi_sector;
4f024f37 KO	170	__entry->nr_sector = bio->bi_iter.bi_size >> 9;
ef295ecf	171	blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
c37511b8 KO	172	__entry->writeback = writeback;
	173	__entry->bypass = bypass;
	174	),
cafe5635	175
60ae81ee SP	176	TP_printk("%pU inode %llu %s %llu + %u hit %u bypass %u",
60ae81ee SP	177	__entry->uuid, __entry->inode,
c37511b8 KO	178	__entry->rwbs, (unsigned long long)__entry->sector,
	179	__entry->nr_sector, __entry->writeback, __entry->bypass)
	180	);
cafe5635	181
c37511b8	182	DEFINE_EVENT(bcache_bio, bcache_read_retry,
cafe5635	183	TP_PROTO(struct bio *bio),
cafe5635 KO	184	TP_ARGS(bio)
	185	);
	186
c37511b8 KO	187	DEFINE_EVENT(bkey, bcache_cache_insert,
	188	TP_PROTO(struct bkey *k),
	189	TP_ARGS(k)
	190	);
cafe5635	191
c37511b8	192	/* Journal */
cafe5635	193
c37511b8 KO	194	DECLARE_EVENT_CLASS(cache_set,
	195	TP_PROTO(struct cache_set *c),
	196	TP_ARGS(c),
cafe5635	197
c37511b8 KO	198	TP_STRUCT__entry(
	199	__array(char, uuid, 16 )
	200	),
cafe5635	201
c37511b8 KO	202	TP_fast_assign(
	203	memcpy(__entry->uuid, c->sb.set_uuid, 16);
	204	),
cafe5635	205
c37511b8	206	TP_printk("%pU", __entry->uuid)
cafe5635 KO	207	);
cafe5635 KO	208
c37511b8 KO	209	DEFINE_EVENT(bkey, bcache_journal_replay_key,
	210	TP_PROTO(struct bkey *k),
	211	TP_ARGS(k)
	212	);
cafe5635	213
c37511b8 KO	214	DEFINE_EVENT(cache_set, bcache_journal_full,
	215	TP_PROTO(struct cache_set *c),
	216	TP_ARGS(c)
cafe5635 KO	217	);
cafe5635 KO	218
c37511b8 KO	219	DEFINE_EVENT(cache_set, bcache_journal_entry_full,
	220	TP_PROTO(struct cache_set *c),
	221	TP_ARGS(c)
	222	);
cafe5635	223
c37511b8	224	DEFINE_EVENT(bcache_bio, bcache_journal_write,
cafe5635	225	TP_PROTO(struct bio *bio),
cafe5635 KO	226	TP_ARGS(bio)
	227	);
	228
c37511b8	229	/* Btree */
cafe5635	230
c37511b8 KO	231	DEFINE_EVENT(cache_set, bcache_btree_cache_cannibalize,
	232	TP_PROTO(struct cache_set *c),
	233	TP_ARGS(c)
	234	);
cafe5635	235
c37511b8 KO	236	DEFINE_EVENT(btree_node, bcache_btree_read,
	237	TP_PROTO(struct btree *b),
	238	TP_ARGS(b)
cafe5635 KO	239	);
cafe5635 KO	240
c37511b8 KO	241	TRACE_EVENT(bcache_btree_write,
	242	TP_PROTO(struct btree *b),
	243	TP_ARGS(b),
cafe5635	244
c37511b8 KO	245	TP_STRUCT__entry(
	246	__field(size_t, bucket )
	247	__field(unsigned, block )
	248	__field(unsigned, keys )
	249	),
cafe5635	250
c37511b8 KO	251	TP_fast_assign(
	252	__entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
	253	__entry->block = b->written;
a85e968e	254	__entry->keys = b->keys.set[b->keys.nsets].data->keys;
c37511b8 KO	255	),
	256
	257	TP_printk("bucket %zu", __entry->bucket)
cafe5635 KO	258	);
cafe5635 KO	259
c37511b8 KO	260	DEFINE_EVENT(btree_node, bcache_btree_node_alloc,
	261	TP_PROTO(struct btree *b),
	262	TP_ARGS(b)
	263	);
cafe5635	264
913dc33f SP	265	DEFINE_EVENT(cache_set, bcache_btree_node_alloc_fail,
	266	TP_PROTO(struct cache_set *c),
	267	TP_ARGS(c)
c37511b8	268	);
cafe5635	269
c37511b8 KO	270	DEFINE_EVENT(btree_node, bcache_btree_node_free,
	271	TP_PROTO(struct btree *b),
	272	TP_ARGS(b)
cafe5635 KO	273	);
cafe5635 KO	274
c37511b8 KO	275	TRACE_EVENT(bcache_btree_gc_coalesce,
	276	TP_PROTO(unsigned nodes),
	277	TP_ARGS(nodes),
cafe5635	278
c37511b8 KO	279	TP_STRUCT__entry(
	280	__field(unsigned, nodes )
	281	),
cafe5635	282
c37511b8 KO	283	TP_fast_assign(
	284	__entry->nodes = nodes;
	285	),
cafe5635	286
c37511b8 KO	287	TP_printk("coalesced %u nodes", __entry->nodes)
c37511b8 KO	288	);
cafe5635	289
c37511b8 KO	290	DEFINE_EVENT(cache_set, bcache_gc_start,
	291	TP_PROTO(struct cache_set *c),
	292	TP_ARGS(c)
	293	);
cafe5635	294
c37511b8 KO	295	DEFINE_EVENT(cache_set, bcache_gc_end,
	296	TP_PROTO(struct cache_set *c),
	297	TP_ARGS(c)
cafe5635 KO	298	);
cafe5635 KO	299
c37511b8 KO	300	DEFINE_EVENT(bkey, bcache_gc_copy,
	301	TP_PROTO(struct bkey *k),
	302	TP_ARGS(k)
	303	);
cafe5635	304
c37511b8 KO	305	DEFINE_EVENT(bkey, bcache_gc_copy_collision,
	306	TP_PROTO(struct bkey *k),
	307	TP_ARGS(k)
	308	);
cafe5635	309
85b1492e KO	310	TRACE_EVENT(bcache_btree_insert_key,
	311	TP_PROTO(struct btree b, struct bkey k, unsigned op, unsigned status),
	312	TP_ARGS(b, k, op, status),
	313
	314	TP_STRUCT__entry(
	315	__field(u64, btree_node )
	316	__field(u32, btree_level )
	317	__field(u32, inode )
	318	__field(u64, offset )
	319	__field(u32, size )
	320	__field(u8, dirty )
	321	__field(u8, op )
	322	__field(u8, status )
	323	),
	324
	325	TP_fast_assign(
	326	__entry->btree_node = PTR_BUCKET_NR(b->c, &b->key, 0);
	327	__entry->btree_level = b->level;
	328	__entry->inode = KEY_INODE(k);
	329	__entry->offset = KEY_OFFSET(k);
	330	__entry->size = KEY_SIZE(k);
	331	__entry->dirty = KEY_DIRTY(k);
	332	__entry->op = op;
	333	__entry->status = status;
	334	),
	335
	336	TP_printk("%u for %u at %llu(%u): %u:%llu len %u dirty %u",
	337	__entry->status, __entry->op,
	338	__entry->btree_node, __entry->btree_level,
	339	__entry->inode, __entry->offset,
	340	__entry->size, __entry->dirty)
	341	);
	342
c37511b8 KO	343	DECLARE_EVENT_CLASS(btree_split,
	344	TP_PROTO(struct btree *b, unsigned keys),
	345	TP_ARGS(b, keys),
cafe5635 KO	346
cafe5635 KO	347	TP_STRUCT__entry(
c37511b8 KO	348	__field(size_t, bucket )
c37511b8 KO	349	__field(unsigned, keys )
cafe5635 KO	350	),
	351
	352	TP_fast_assign(
c37511b8 KO	353	__entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
c37511b8 KO	354	__entry->keys = keys;
cafe5635 KO	355	),
cafe5635 KO	356
c37511b8	357	TP_printk("bucket %zu keys %u", __entry->bucket, __entry->keys)
cafe5635 KO	358	);
cafe5635 KO	359
c37511b8 KO	360	DEFINE_EVENT(btree_split, bcache_btree_node_split,
	361	TP_PROTO(struct btree *b, unsigned keys),
	362	TP_ARGS(b, keys)
	363	);
cafe5635	364
c37511b8 KO	365	DEFINE_EVENT(btree_split, bcache_btree_node_compact,
	366	TP_PROTO(struct btree *b, unsigned keys),
	367	TP_ARGS(b, keys)
cafe5635 KO	368	);
cafe5635 KO	369
c37511b8 KO	370	DEFINE_EVENT(btree_node, bcache_btree_set_root,
	371	TP_PROTO(struct btree *b),
	372	TP_ARGS(b)
	373	);
cafe5635	374
48a915a8 KO	375	TRACE_EVENT(bcache_keyscan,
	376	TP_PROTO(unsigned nr_found,
	377	unsigned start_inode, uint64_t start_offset,
	378	unsigned end_inode, uint64_t end_offset),
	379	TP_ARGS(nr_found,
	380	start_inode, start_offset,
	381	end_inode, end_offset),
	382
	383	TP_STRUCT__entry(
	384	__field(__u32, nr_found )
	385	__field(__u32, start_inode )
	386	__field(__u64, start_offset )
	387	__field(__u32, end_inode )
	388	__field(__u64, end_offset )
	389	),
	390
	391	TP_fast_assign(
	392	__entry->nr_found = nr_found;
	393	__entry->start_inode = start_inode;
	394	__entry->start_offset = start_offset;
	395	__entry->end_inode = end_inode;
	396	__entry->end_offset = end_offset;
	397	),
	398
	399	TP_printk("found %u keys from %u:%llu to %u:%llu", __entry->nr_found,
	400	__entry->start_inode, __entry->start_offset,
	401	__entry->end_inode, __entry->end_offset)
	402	);
	403
c37511b8	404	/* Allocator */
cafe5635	405
7159b1ad KO	406	TRACE_EVENT(bcache_invalidate,
	407	TP_PROTO(struct cache *ca, size_t bucket),
	408	TP_ARGS(ca, bucket),
cafe5635 KO	409
cafe5635 KO	410	TP_STRUCT__entry(
7159b1ad KO	411	__field(unsigned, sectors )
	412	__field(dev_t, dev )
	413	__field(__u64, offset )
cafe5635 KO	414	),
	415
	416	TP_fast_assign(
7159b1ad KO	417	__entry->dev = ca->bdev->bd_dev;
	418	__entry->offset = bucket << ca->set->bucket_bits;
	419	__entry->sectors = GC_SECTORS_USED(&ca->buckets[bucket]);
cafe5635 KO	420	),
cafe5635 KO	421
7159b1ad KO	422	TP_printk("invalidated %u sectors at %d,%d sector=%llu",
	423	__entry->sectors, MAJOR(__entry->dev),
	424	MINOR(__entry->dev), __entry->offset)
	425	);
	426
	427	TRACE_EVENT(bcache_alloc,
	428	TP_PROTO(struct cache *ca, size_t bucket),
	429	TP_ARGS(ca, bucket),
	430
	431	TP_STRUCT__entry(
	432	__field(dev_t, dev )
	433	__field(__u64, offset )
	434	),
	435
	436	TP_fast_assign(
	437	__entry->dev = ca->bdev->bd_dev;
	438	__entry->offset = bucket << ca->set->bucket_bits;
	439	),
	440
	441	TP_printk("allocated %d,%d sector=%llu", MAJOR(__entry->dev),
	442	MINOR(__entry->dev), __entry->offset)
cafe5635 KO	443	);
cafe5635 KO	444
c37511b8	445	TRACE_EVENT(bcache_alloc_fail,
78365411 KO	446	TP_PROTO(struct cache *ca, unsigned reserve),
78365411 KO	447	TP_ARGS(ca, reserve),
cafe5635	448
c37511b8	449	TP_STRUCT__entry(
7159b1ad	450	__field(dev_t, dev )
c37511b8 KO	451	__field(unsigned, free )
c37511b8 KO	452	__field(unsigned, free_inc )
c37511b8 KO	453	__field(unsigned, blocked )
c37511b8 KO	454	),
cafe5635	455
c37511b8	456	TP_fast_assign(
7159b1ad	457	__entry->dev = ca->bdev->bd_dev;
78365411	458	__entry->free = fifo_used(&ca->free[reserve]);
c37511b8	459	__entry->free_inc = fifo_used(&ca->free_inc);
c37511b8 KO	460	__entry->blocked = atomic_read(&ca->set->prio_blocked);
c37511b8 KO	461	),
cafe5635	462
2531d9ee	463	TP_printk("alloc fail %d,%d free %u free_inc %u blocked %u",
7159b1ad	464	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->free,
2531d9ee	465	__entry->free_inc, __entry->blocked)
cafe5635 KO	466	);
cafe5635 KO	467
c37511b8	468	/* Background writeback */
cafe5635	469
c37511b8 KO	470	DEFINE_EVENT(bkey, bcache_writeback,
	471	TP_PROTO(struct bkey *k),
	472	TP_ARGS(k)
	473	);
cafe5635	474
c37511b8 KO	475	DEFINE_EVENT(bkey, bcache_writeback_collision,
	476	TP_PROTO(struct bkey *k),
	477	TP_ARGS(k)
cafe5635 KO	478	);
	479
	480	#endif /* _TRACE_BCACHE_H */
	481
	482	/* This part must be outside protection */
	483	#include <trace/define_trace.h>