/* 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);	), 	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);	), 	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);		__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->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);		__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->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)); TRACE_EVENT(bcache_journal_write,	TP_PROTO(struct bio *bio, u32 keys),	TP_ARGS(bio, keys), 	TP_STRUCT__entry(		__field(dev_t,		dev			)		__field(sector_t,	sector			)		__field(unsigned int,	nr_sector		)		__array(char,		rwbs,	6		)		__field(u32,		nr_keys			)	), 	TP_fast_assign(		__entry->dev		= bio_dev(bio);		__entry->sector		= bio->bi_iter.bi_sector;		__entry->nr_sector	= bio->bi_iter.bi_size >> 9;		__entry->nr_keys	= keys;		blk_fill_rwbs(__entry->rwbs, bio->bi_opf);	), 	TP_printk("%d,%d  %s %llu + %u keys %u",		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,		  (unsigned long long)__entry->sector, __entry->nr_sector,		  __entry->nr_keys)); /* 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 written block %u + %u",		__entry->bucket, __entry->block, __entry->keys)); 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));

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