[deliverable/linux.git] / include / trace / events / bcache.h

#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->bi_bdev->bd_dev;
		__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_rw, 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->bi_bdev->bd_dev;
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->nr_sector	= bio->bi_iter.bi_size >> 9;
		blk_fill_rwbs(__entry->rwbs, bio->bi_rw, 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->bi_bdev->bd_dev;
		__entry->sector		= bio->bi_iter.bi_sector;
		__entry->nr_sector	= bio->bi_iter.bi_size >> 9;
		blk_fill_rwbs(__entry->rwbs, bio->bi_rw, 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_rw, 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
cafe5635 KO	1	#undef TRACE_SYSTEM
	2	#define TRACE_SYSTEM bcache
	3
	4	#if !defined(_TRACE_BCACHE_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	5	#define _TRACE_BCACHE_H
	6
	7	#include <linux/tracepoint.h>
	8
cafe5635	9	DECLARE_EVENT_CLASS(bcache_request,
220bb38c KO	10	TP_PROTO(struct bcache_device d, struct bio bio),
220bb38c KO	11	TP_ARGS(d, bio),
cafe5635 KO	12
	13	TP_STRUCT__entry(
	14	__field(dev_t, dev )
	15	__field(unsigned int, orig_major )
	16	__field(unsigned int, orig_minor )
	17	__field(sector_t, sector )
	18	__field(dev_t, orig_sector )
	19	__field(unsigned int, nr_sector )
	20	__array(char, rwbs, 6 )
cafe5635 KO	21	),
	22
	23	TP_fast_assign(
	24	__entry->dev = bio->bi_bdev->bd_dev;
220bb38c KO	25	__entry->orig_major = d->disk->major;
220bb38c KO	26	__entry->orig_minor = d->disk->first_minor;
4f024f37 KO	27	__entry->sector = bio->bi_iter.bi_sector;
	28	__entry->orig_sector = bio->bi_iter.bi_sector - 16;
	29	__entry->nr_sector = bio->bi_iter.bi_size >> 9;
	30	blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
cafe5635 KO	31	),
cafe5635 KO	32
c37511b8	33	TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)",
cafe5635	34	MAJOR(__entry->dev), MINOR(__entry->dev),
c37511b8 KO	35	__entry->rwbs, (unsigned long long)__entry->sector,
c37511b8 KO	36	__entry->nr_sector, __entry->orig_major, __entry->orig_minor,
cafe5635 KO	37	(unsigned long long)__entry->orig_sector)
	38	);
	39
c37511b8 KO	40	DECLARE_EVENT_CLASS(bkey,
	41	TP_PROTO(struct bkey *k),
	42	TP_ARGS(k),
cafe5635	43
c37511b8 KO	44	TP_STRUCT__entry(
	45	__field(u32, size )
	46	__field(u32, inode )
	47	__field(u64, offset )
	48	__field(bool, dirty )
	49	),
cafe5635	50
c37511b8 KO	51	TP_fast_assign(
	52	__entry->inode = KEY_INODE(k);
	53	__entry->offset = KEY_OFFSET(k);
	54	__entry->size = KEY_SIZE(k);
	55	__entry->dirty = KEY_DIRTY(k);
	56	),
	57
	58	TP_printk("%u:%llu len %u dirty %u", __entry->inode,
	59	__entry->offset, __entry->size, __entry->dirty)
cafe5635 KO	60	);
cafe5635 KO	61
c37511b8 KO	62	DECLARE_EVENT_CLASS(btree_node,
	63	TP_PROTO(struct btree *b),
	64	TP_ARGS(b),
	65
	66	TP_STRUCT__entry(
	67	__field(size_t, bucket )
	68	),
	69
	70	TP_fast_assign(
	71	__entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
	72	),
cafe5635	73
c37511b8 KO	74	TP_printk("bucket %zu", __entry->bucket)
	75	);
	76
	77	/* request.c */
	78
	79	DEFINE_EVENT(bcache_request, bcache_request_start,
220bb38c KO	80	TP_PROTO(struct bcache_device d, struct bio bio),
220bb38c KO	81	TP_ARGS(d, bio)
c37511b8	82	);
cafe5635	83
c37511b8	84	DEFINE_EVENT(bcache_request, bcache_request_end,
220bb38c KO	85	TP_PROTO(struct bcache_device d, struct bio bio),
220bb38c KO	86	TP_ARGS(d, bio)
cafe5635 KO	87	);
	88
	89	DECLARE_EVENT_CLASS(bcache_bio,
cafe5635	90	TP_PROTO(struct bio *bio),
cafe5635 KO	91	TP_ARGS(bio),
	92
	93	TP_STRUCT__entry(
	94	__field(dev_t, dev )
	95	__field(sector_t, sector )
	96	__field(unsigned int, nr_sector )
	97	__array(char, rwbs, 6 )
cafe5635 KO	98	),
	99
	100	TP_fast_assign(
	101	__entry->dev = bio->bi_bdev->bd_dev;
4f024f37 KO	102	__entry->sector = bio->bi_iter.bi_sector;
	103	__entry->nr_sector = bio->bi_iter.bi_size >> 9;
	104	blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
cafe5635 KO	105	),
cafe5635 KO	106
c37511b8 KO	107	TP_printk("%d,%d %s %llu + %u",
	108	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
	109	(unsigned long long)__entry->sector, __entry->nr_sector)
cafe5635 KO	110	);
cafe5635 KO	111
c37511b8	112	DEFINE_EVENT(bcache_bio, bcache_bypass_sequential,
cafe5635	113	TP_PROTO(struct bio *bio),
cafe5635 KO	114	TP_ARGS(bio)
	115	);
	116
c37511b8	117	DEFINE_EVENT(bcache_bio, bcache_bypass_congested,
cafe5635	118	TP_PROTO(struct bio *bio),
cafe5635 KO	119	TP_ARGS(bio)
	120	);
	121
c37511b8 KO	122	TRACE_EVENT(bcache_read,
	123	TP_PROTO(struct bio *bio, bool hit, bool bypass),
	124	TP_ARGS(bio, hit, bypass),
cafe5635	125
c37511b8 KO	126	TP_STRUCT__entry(
	127	__field(dev_t, dev )
	128	__field(sector_t, sector )
	129	__field(unsigned int, nr_sector )
	130	__array(char, rwbs, 6 )
	131	__field(bool, cache_hit )
	132	__field(bool, bypass )
	133	),
cafe5635	134
c37511b8 KO	135	TP_fast_assign(
c37511b8 KO	136	__entry->dev = bio->bi_bdev->bd_dev;
4f024f37 KO	137	__entry->sector = bio->bi_iter.bi_sector;
	138	__entry->nr_sector = bio->bi_iter.bi_size >> 9;
	139	blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
c37511b8 KO	140	__entry->cache_hit = hit;
	141	__entry->bypass = bypass;
	142	),
	143
	144	TP_printk("%d,%d %s %llu + %u hit %u bypass %u",
	145	MAJOR(__entry->dev), MINOR(__entry->dev),
	146	__entry->rwbs, (unsigned long long)__entry->sector,
	147	__entry->nr_sector, __entry->cache_hit, __entry->bypass)
cafe5635 KO	148	);
cafe5635 KO	149
c37511b8	150	TRACE_EVENT(bcache_write,
60ae81ee SP	151	TP_PROTO(struct cache_set c, u64 inode, struct bio bio,
	152	bool writeback, bool bypass),
	153	TP_ARGS(c, inode, bio, writeback, bypass),
cafe5635	154
c37511b8	155	TP_STRUCT__entry(
60ae81ee SP	156	__array(char, uuid, 16 )
60ae81ee SP	157	__field(u64, inode )
c37511b8 KO	158	__field(sector_t, sector )
	159	__field(unsigned int, nr_sector )
	160	__array(char, rwbs, 6 )
	161	__field(bool, writeback )
	162	__field(bool, bypass )
	163	),
cafe5635	164
c37511b8	165	TP_fast_assign(
60ae81ee SP	166	memcpy(__entry->uuid, c->sb.set_uuid, 16);
60ae81ee SP	167	__entry->inode = inode;
4f024f37 KO	168	__entry->sector = bio->bi_iter.bi_sector;
	169	__entry->nr_sector = bio->bi_iter.bi_size >> 9;
	170	blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
c37511b8 KO	171	__entry->writeback = writeback;
	172	__entry->bypass = bypass;
	173	),
cafe5635	174
60ae81ee SP	175	TP_printk("%pU inode %llu %s %llu + %u hit %u bypass %u",
60ae81ee SP	176	__entry->uuid, __entry->inode,
c37511b8 KO	177	__entry->rwbs, (unsigned long long)__entry->sector,
	178	__entry->nr_sector, __entry->writeback, __entry->bypass)
	179	);
cafe5635	180
c37511b8	181	DEFINE_EVENT(bcache_bio, bcache_read_retry,
cafe5635	182	TP_PROTO(struct bio *bio),
cafe5635 KO	183	TP_ARGS(bio)
	184	);
	185
c37511b8 KO	186	DEFINE_EVENT(bkey, bcache_cache_insert,
	187	TP_PROTO(struct bkey *k),
	188	TP_ARGS(k)
	189	);
cafe5635	190
c37511b8	191	/* Journal */
cafe5635	192
c37511b8 KO	193	DECLARE_EVENT_CLASS(cache_set,
	194	TP_PROTO(struct cache_set *c),
	195	TP_ARGS(c),
cafe5635	196
c37511b8 KO	197	TP_STRUCT__entry(
	198	__array(char, uuid, 16 )
	199	),
cafe5635	200
c37511b8 KO	201	TP_fast_assign(
	202	memcpy(__entry->uuid, c->sb.set_uuid, 16);
	203	),
cafe5635	204
c37511b8	205	TP_printk("%pU", __entry->uuid)
cafe5635 KO	206	);
cafe5635 KO	207
c37511b8 KO	208	DEFINE_EVENT(bkey, bcache_journal_replay_key,
	209	TP_PROTO(struct bkey *k),
	210	TP_ARGS(k)
	211	);
cafe5635	212
c37511b8 KO	213	DEFINE_EVENT(cache_set, bcache_journal_full,
	214	TP_PROTO(struct cache_set *c),
	215	TP_ARGS(c)
cafe5635 KO	216	);
cafe5635 KO	217
c37511b8 KO	218	DEFINE_EVENT(cache_set, bcache_journal_entry_full,
	219	TP_PROTO(struct cache_set *c),
	220	TP_ARGS(c)
	221	);
cafe5635	222
c37511b8	223	DEFINE_EVENT(bcache_bio, bcache_journal_write,
cafe5635	224	TP_PROTO(struct bio *bio),
cafe5635 KO	225	TP_ARGS(bio)
	226	);
	227
c37511b8	228	/* Btree */
cafe5635	229
c37511b8 KO	230	DEFINE_EVENT(cache_set, bcache_btree_cache_cannibalize,
	231	TP_PROTO(struct cache_set *c),
	232	TP_ARGS(c)
	233	);
cafe5635	234
c37511b8 KO	235	DEFINE_EVENT(btree_node, bcache_btree_read,
	236	TP_PROTO(struct btree *b),
	237	TP_ARGS(b)
cafe5635 KO	238	);
cafe5635 KO	239
c37511b8 KO	240	TRACE_EVENT(bcache_btree_write,
	241	TP_PROTO(struct btree *b),
	242	TP_ARGS(b),
cafe5635	243
c37511b8 KO	244	TP_STRUCT__entry(
	245	__field(size_t, bucket )
	246	__field(unsigned, block )
	247	__field(unsigned, keys )
	248	),
cafe5635	249
c37511b8 KO	250	TP_fast_assign(
	251	__entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
	252	__entry->block = b->written;
a85e968e	253	__entry->keys = b->keys.set[b->keys.nsets].data->keys;
c37511b8 KO	254	),
	255
	256	TP_printk("bucket %zu", __entry->bucket)
cafe5635 KO	257	);
cafe5635 KO	258
c37511b8 KO	259	DEFINE_EVENT(btree_node, bcache_btree_node_alloc,
	260	TP_PROTO(struct btree *b),
	261	TP_ARGS(b)
	262	);
cafe5635	263
913dc33f SP	264	DEFINE_EVENT(cache_set, bcache_btree_node_alloc_fail,
	265	TP_PROTO(struct cache_set *c),
	266	TP_ARGS(c)
c37511b8	267	);
cafe5635	268
c37511b8 KO	269	DEFINE_EVENT(btree_node, bcache_btree_node_free,
	270	TP_PROTO(struct btree *b),
	271	TP_ARGS(b)
cafe5635 KO	272	);
cafe5635 KO	273
c37511b8 KO	274	TRACE_EVENT(bcache_btree_gc_coalesce,
	275	TP_PROTO(unsigned nodes),
	276	TP_ARGS(nodes),
cafe5635	277
c37511b8 KO	278	TP_STRUCT__entry(
	279	__field(unsigned, nodes )
	280	),
cafe5635	281
c37511b8 KO	282	TP_fast_assign(
	283	__entry->nodes = nodes;
	284	),
cafe5635	285
c37511b8 KO	286	TP_printk("coalesced %u nodes", __entry->nodes)
c37511b8 KO	287	);
cafe5635	288
c37511b8 KO	289	DEFINE_EVENT(cache_set, bcache_gc_start,
	290	TP_PROTO(struct cache_set *c),
	291	TP_ARGS(c)
	292	);
cafe5635	293
c37511b8 KO	294	DEFINE_EVENT(cache_set, bcache_gc_end,
	295	TP_PROTO(struct cache_set *c),
	296	TP_ARGS(c)
cafe5635 KO	297	);
cafe5635 KO	298
c37511b8 KO	299	DEFINE_EVENT(bkey, bcache_gc_copy,
	300	TP_PROTO(struct bkey *k),
	301	TP_ARGS(k)
	302	);
cafe5635	303
c37511b8 KO	304	DEFINE_EVENT(bkey, bcache_gc_copy_collision,
	305	TP_PROTO(struct bkey *k),
	306	TP_ARGS(k)
	307	);
cafe5635	308
85b1492e KO	309	TRACE_EVENT(bcache_btree_insert_key,
	310	TP_PROTO(struct btree b, struct bkey k, unsigned op, unsigned status),
	311	TP_ARGS(b, k, op, status),
	312
	313	TP_STRUCT__entry(
	314	__field(u64, btree_node )
	315	__field(u32, btree_level )
	316	__field(u32, inode )
	317	__field(u64, offset )
	318	__field(u32, size )
	319	__field(u8, dirty )
	320	__field(u8, op )
	321	__field(u8, status )
	322	),
	323
	324	TP_fast_assign(
	325	__entry->btree_node = PTR_BUCKET_NR(b->c, &b->key, 0);
	326	__entry->btree_level = b->level;
	327	__entry->inode = KEY_INODE(k);
	328	__entry->offset = KEY_OFFSET(k);
	329	__entry->size = KEY_SIZE(k);
	330	__entry->dirty = KEY_DIRTY(k);
	331	__entry->op = op;
	332	__entry->status = status;
	333	),
	334
	335	TP_printk("%u for %u at %llu(%u): %u:%llu len %u dirty %u",
	336	__entry->status, __entry->op,
	337	__entry->btree_node, __entry->btree_level,
	338	__entry->inode, __entry->offset,
	339	__entry->size, __entry->dirty)
	340	);
	341
c37511b8 KO	342	DECLARE_EVENT_CLASS(btree_split,
	343	TP_PROTO(struct btree *b, unsigned keys),
	344	TP_ARGS(b, keys),
cafe5635 KO	345
cafe5635 KO	346	TP_STRUCT__entry(
c37511b8 KO	347	__field(size_t, bucket )
c37511b8 KO	348	__field(unsigned, keys )
cafe5635 KO	349	),
	350
	351	TP_fast_assign(
c37511b8 KO	352	__entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
c37511b8 KO	353	__entry->keys = keys;
cafe5635 KO	354	),
cafe5635 KO	355
c37511b8	356	TP_printk("bucket %zu keys %u", __entry->bucket, __entry->keys)
cafe5635 KO	357	);
cafe5635 KO	358
c37511b8 KO	359	DEFINE_EVENT(btree_split, bcache_btree_node_split,
	360	TP_PROTO(struct btree *b, unsigned keys),
	361	TP_ARGS(b, keys)
	362	);
cafe5635	363
c37511b8 KO	364	DEFINE_EVENT(btree_split, bcache_btree_node_compact,
	365	TP_PROTO(struct btree *b, unsigned keys),
	366	TP_ARGS(b, keys)
cafe5635 KO	367	);
cafe5635 KO	368
c37511b8 KO	369	DEFINE_EVENT(btree_node, bcache_btree_set_root,
	370	TP_PROTO(struct btree *b),
	371	TP_ARGS(b)
	372	);
cafe5635	373
48a915a8 KO	374	TRACE_EVENT(bcache_keyscan,
	375	TP_PROTO(unsigned nr_found,
	376	unsigned start_inode, uint64_t start_offset,
	377	unsigned end_inode, uint64_t end_offset),
	378	TP_ARGS(nr_found,
	379	start_inode, start_offset,
	380	end_inode, end_offset),
	381
	382	TP_STRUCT__entry(
	383	__field(__u32, nr_found )
	384	__field(__u32, start_inode )
	385	__field(__u64, start_offset )
	386	__field(__u32, end_inode )
	387	__field(__u64, end_offset )
	388	),
	389
	390	TP_fast_assign(
	391	__entry->nr_found = nr_found;
	392	__entry->start_inode = start_inode;
	393	__entry->start_offset = start_offset;
	394	__entry->end_inode = end_inode;
	395	__entry->end_offset = end_offset;
	396	),
	397
	398	TP_printk("found %u keys from %u:%llu to %u:%llu", __entry->nr_found,
	399	__entry->start_inode, __entry->start_offset,
	400	__entry->end_inode, __entry->end_offset)
	401	);
	402
c37511b8	403	/* Allocator */
cafe5635	404
7159b1ad KO	405	TRACE_EVENT(bcache_invalidate,
	406	TP_PROTO(struct cache *ca, size_t bucket),
	407	TP_ARGS(ca, bucket),
cafe5635 KO	408
cafe5635 KO	409	TP_STRUCT__entry(
7159b1ad KO	410	__field(unsigned, sectors )
	411	__field(dev_t, dev )
	412	__field(__u64, offset )
cafe5635 KO	413	),
	414
	415	TP_fast_assign(
7159b1ad KO	416	__entry->dev = ca->bdev->bd_dev;
	417	__entry->offset = bucket << ca->set->bucket_bits;
	418	__entry->sectors = GC_SECTORS_USED(&ca->buckets[bucket]);
cafe5635 KO	419	),
cafe5635 KO	420
7159b1ad KO	421	TP_printk("invalidated %u sectors at %d,%d sector=%llu",
	422	__entry->sectors, MAJOR(__entry->dev),
	423	MINOR(__entry->dev), __entry->offset)
	424	);
	425
	426	TRACE_EVENT(bcache_alloc,
	427	TP_PROTO(struct cache *ca, size_t bucket),
	428	TP_ARGS(ca, bucket),
	429
	430	TP_STRUCT__entry(
	431	__field(dev_t, dev )
	432	__field(__u64, offset )
	433	),
	434
	435	TP_fast_assign(
	436	__entry->dev = ca->bdev->bd_dev;
	437	__entry->offset = bucket << ca->set->bucket_bits;
	438	),
	439
	440	TP_printk("allocated %d,%d sector=%llu", MAJOR(__entry->dev),
	441	MINOR(__entry->dev), __entry->offset)
cafe5635 KO	442	);
cafe5635 KO	443
c37511b8	444	TRACE_EVENT(bcache_alloc_fail,
78365411 KO	445	TP_PROTO(struct cache *ca, unsigned reserve),
78365411 KO	446	TP_ARGS(ca, reserve),
cafe5635	447
c37511b8	448	TP_STRUCT__entry(
7159b1ad	449	__field(dev_t, dev )
c37511b8 KO	450	__field(unsigned, free )
c37511b8 KO	451	__field(unsigned, free_inc )
c37511b8 KO	452	__field(unsigned, blocked )
c37511b8 KO	453	),
cafe5635	454
c37511b8	455	TP_fast_assign(
7159b1ad	456	__entry->dev = ca->bdev->bd_dev;
78365411	457	__entry->free = fifo_used(&ca->free[reserve]);
c37511b8	458	__entry->free_inc = fifo_used(&ca->free_inc);
c37511b8 KO	459	__entry->blocked = atomic_read(&ca->set->prio_blocked);
c37511b8 KO	460	),
cafe5635	461
2531d9ee	462	TP_printk("alloc fail %d,%d free %u free_inc %u blocked %u",
7159b1ad	463	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->free,
2531d9ee	464	__entry->free_inc, __entry->blocked)
cafe5635 KO	465	);
cafe5635 KO	466
c37511b8	467	/* Background writeback */
cafe5635	468
c37511b8 KO	469	DEFINE_EVENT(bkey, bcache_writeback,
	470	TP_PROTO(struct bkey *k),
	471	TP_ARGS(k)
	472	);
cafe5635	473
c37511b8 KO	474	DEFINE_EVENT(bkey, bcache_writeback_collision,
	475	TP_PROTO(struct bkey *k),
	476	TP_ARGS(k)
cafe5635 KO	477	);
	478
	479	#endif /* _TRACE_BCACHE_H */
	480
	481	/* This part must be outside protection */
	482	#include <trace/define_trace.h>