2013-03-23 17:11:31 -06:00
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM bcache
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#if !defined(_TRACE_BCACHE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_BCACHE_H
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#include <linux/tracepoint.h>
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struct search;
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DECLARE_EVENT_CLASS(bcache_request,
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TP_PROTO(struct search *s, struct bio *bio),
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TP_ARGS(s, bio),
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TP_STRUCT__entry(
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__field(dev_t, dev )
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__field(unsigned int, orig_major )
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__field(unsigned int, orig_minor )
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__field(sector_t, sector )
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__field(dev_t, orig_sector )
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__field(unsigned int, nr_sector )
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__array(char, rwbs, 6 )
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),
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TP_fast_assign(
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__entry->dev = bio->bi_bdev->bd_dev;
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__entry->orig_major = s->d->disk->major;
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__entry->orig_minor = s->d->disk->first_minor;
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__entry->sector = bio->bi_sector;
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__entry->orig_sector = bio->bi_sector - 16;
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__entry->nr_sector = bio->bi_size >> 9;
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blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
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),
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2013-04-26 16:39:55 -06:00
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TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)",
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MAJOR(__entry->dev), MINOR(__entry->dev),
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2013-04-26 16:39:55 -06:00
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__entry->rwbs, (unsigned long long)__entry->sector,
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__entry->nr_sector, __entry->orig_major, __entry->orig_minor,
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2013-03-23 17:11:31 -06:00
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(unsigned long long)__entry->orig_sector)
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);
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2013-04-26 16:39:55 -06:00
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DECLARE_EVENT_CLASS(bkey,
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TP_PROTO(struct bkey *k),
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TP_ARGS(k),
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TP_STRUCT__entry(
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__field(u32, size )
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__field(u32, inode )
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__field(u64, offset )
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__field(bool, dirty )
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),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_fast_assign(
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__entry->inode = KEY_INODE(k);
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__entry->offset = KEY_OFFSET(k);
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__entry->size = KEY_SIZE(k);
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__entry->dirty = KEY_DIRTY(k);
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),
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TP_printk("%u:%llu len %u dirty %u", __entry->inode,
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__entry->offset, __entry->size, __entry->dirty)
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);
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DECLARE_EVENT_CLASS(btree_node,
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TP_PROTO(struct btree *b),
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TP_ARGS(b),
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TP_STRUCT__entry(
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__field(size_t, bucket )
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),
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TP_fast_assign(
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__entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
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),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_printk("bucket %zu", __entry->bucket)
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);
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/* request.c */
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DEFINE_EVENT(bcache_request, bcache_request_start,
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2013-03-23 17:11:31 -06:00
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TP_PROTO(struct search *s, struct bio *bio),
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TP_ARGS(s, bio)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(bcache_request, bcache_request_end,
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TP_PROTO(struct search *s, struct bio *bio),
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2013-03-23 17:11:31 -06:00
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TP_ARGS(s, bio)
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);
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DECLARE_EVENT_CLASS(bcache_bio,
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TP_PROTO(struct bio *bio),
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TP_ARGS(bio),
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TP_STRUCT__entry(
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__field(dev_t, dev )
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__field(sector_t, sector )
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__field(unsigned int, nr_sector )
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__array(char, rwbs, 6 )
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),
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TP_fast_assign(
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__entry->dev = bio->bi_bdev->bd_dev;
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__entry->sector = bio->bi_sector;
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__entry->nr_sector = bio->bi_size >> 9;
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blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
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),
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2013-04-26 16:39:55 -06:00
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TP_printk("%d,%d %s %llu + %u",
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MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
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(unsigned long long)__entry->sector, __entry->nr_sector)
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);
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DEFINE_EVENT(bcache_bio, bcache_bypass_sequential,
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TP_PROTO(struct bio *bio),
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TP_ARGS(bio)
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);
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DEFINE_EVENT(bcache_bio, bcache_bypass_congested,
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2013-03-23 17:11:31 -06:00
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TP_PROTO(struct bio *bio),
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TP_ARGS(bio)
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);
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2013-04-26 16:39:55 -06:00
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TRACE_EVENT(bcache_read,
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TP_PROTO(struct bio *bio, bool hit, bool bypass),
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TP_ARGS(bio, hit, bypass),
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2013-04-26 16:39:55 -06:00
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TP_STRUCT__entry(
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__field(dev_t, dev )
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__field(sector_t, sector )
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__field(unsigned int, nr_sector )
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__array(char, rwbs, 6 )
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__field(bool, cache_hit )
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__field(bool, bypass )
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),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_fast_assign(
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__entry->dev = bio->bi_bdev->bd_dev;
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__entry->sector = bio->bi_sector;
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__entry->nr_sector = bio->bi_size >> 9;
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blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
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__entry->cache_hit = hit;
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__entry->bypass = bypass;
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),
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TP_printk("%d,%d %s %llu + %u hit %u bypass %u",
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MAJOR(__entry->dev), MINOR(__entry->dev),
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__entry->rwbs, (unsigned long long)__entry->sector,
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__entry->nr_sector, __entry->cache_hit, __entry->bypass)
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2013-03-23 17:11:31 -06:00
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);
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2013-04-26 16:39:55 -06:00
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TRACE_EVENT(bcache_write,
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TP_PROTO(struct bio *bio, bool writeback, bool bypass),
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TP_ARGS(bio, writeback, bypass),
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2013-04-26 16:39:55 -06:00
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TP_STRUCT__entry(
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__field(dev_t, dev )
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__field(sector_t, sector )
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__field(unsigned int, nr_sector )
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__array(char, rwbs, 6 )
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__field(bool, writeback )
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__field(bool, bypass )
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),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_fast_assign(
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__entry->dev = bio->bi_bdev->bd_dev;
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__entry->sector = bio->bi_sector;
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__entry->nr_sector = bio->bi_size >> 9;
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blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
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__entry->writeback = writeback;
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__entry->bypass = bypass;
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),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_printk("%d,%d %s %llu + %u hit %u bypass %u",
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MAJOR(__entry->dev), MINOR(__entry->dev),
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__entry->rwbs, (unsigned long long)__entry->sector,
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__entry->nr_sector, __entry->writeback, __entry->bypass)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(bcache_bio, bcache_read_retry,
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2013-03-23 17:11:31 -06:00
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TP_PROTO(struct bio *bio),
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TP_ARGS(bio)
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);
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(bkey, bcache_cache_insert,
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TP_PROTO(struct bkey *k),
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TP_ARGS(k)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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/* Journal */
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DECLARE_EVENT_CLASS(cache_set,
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TP_PROTO(struct cache_set *c),
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TP_ARGS(c),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_STRUCT__entry(
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__array(char, uuid, 16 )
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),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_fast_assign(
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memcpy(__entry->uuid, c->sb.set_uuid, 16);
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),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_printk("%pU", __entry->uuid)
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2013-03-23 17:11:31 -06:00
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);
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(bkey, bcache_journal_replay_key,
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TP_PROTO(struct bkey *k),
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TP_ARGS(k)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(cache_set, bcache_journal_full,
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TP_PROTO(struct cache_set *c),
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TP_ARGS(c)
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2013-03-23 17:11:31 -06:00
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);
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(cache_set, bcache_journal_entry_full,
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TP_PROTO(struct cache_set *c),
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TP_ARGS(c)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(bcache_bio, bcache_journal_write,
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2013-03-23 17:11:31 -06:00
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TP_PROTO(struct bio *bio),
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TP_ARGS(bio)
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);
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2013-04-26 16:39:55 -06:00
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/* Btree */
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(cache_set, bcache_btree_cache_cannibalize,
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TP_PROTO(struct cache_set *c),
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TP_ARGS(c)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(btree_node, bcache_btree_read,
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TP_PROTO(struct btree *b),
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TP_ARGS(b)
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2013-03-23 17:11:31 -06:00
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);
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2013-04-26 16:39:55 -06:00
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TRACE_EVENT(bcache_btree_write,
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TP_PROTO(struct btree *b),
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TP_ARGS(b),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_STRUCT__entry(
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__field(size_t, bucket )
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__field(unsigned, block )
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__field(unsigned, keys )
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),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_fast_assign(
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__entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
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__entry->block = b->written;
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__entry->keys = b->sets[b->nsets].data->keys;
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),
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TP_printk("bucket %zu", __entry->bucket)
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2013-03-23 17:11:31 -06:00
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);
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(btree_node, bcache_btree_node_alloc,
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TP_PROTO(struct btree *b),
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TP_ARGS(b)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(btree_node, bcache_btree_node_alloc_fail,
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TP_PROTO(struct btree *b),
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TP_ARGS(b)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(btree_node, bcache_btree_node_free,
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TP_PROTO(struct btree *b),
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TP_ARGS(b)
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2013-03-23 17:11:31 -06:00
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);
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2013-04-26 16:39:55 -06:00
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TRACE_EVENT(bcache_btree_gc_coalesce,
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TP_PROTO(unsigned nodes),
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TP_ARGS(nodes),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_STRUCT__entry(
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__field(unsigned, nodes )
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),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_fast_assign(
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__entry->nodes = nodes;
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),
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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TP_printk("coalesced %u nodes", __entry->nodes)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(cache_set, bcache_gc_start,
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TP_PROTO(struct cache_set *c),
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TP_ARGS(c)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(cache_set, bcache_gc_end,
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TP_PROTO(struct cache_set *c),
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TP_ARGS(c)
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2013-03-23 17:11:31 -06:00
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);
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(bkey, bcache_gc_copy,
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TP_PROTO(struct bkey *k),
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TP_ARGS(k)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DEFINE_EVENT(bkey, bcache_gc_copy_collision,
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TP_PROTO(struct bkey *k),
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TP_ARGS(k)
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);
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2013-03-23 17:11:31 -06:00
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2013-04-26 16:39:55 -06:00
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DECLARE_EVENT_CLASS(btree_split,
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TP_PROTO(struct btree *b, unsigned keys),
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TP_ARGS(b, keys),
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2013-03-23 17:11:31 -06:00
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TP_STRUCT__entry(
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2013-04-26 16:39:55 -06:00
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__field(size_t, bucket )
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|
|
|
__field(unsigned, keys )
|
2013-03-23 17:11:31 -06:00
|
|
|
),
|
|
|
|
|
|
|
|
TP_fast_assign(
|
2013-04-26 16:39:55 -06:00
|
|
|
__entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
|
|
|
|
__entry->keys = keys;
|
2013-03-23 17:11:31 -06:00
|
|
|
),
|
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
TP_printk("bucket %zu keys %u", __entry->bucket, __entry->keys)
|
2013-03-23 17:11:31 -06:00
|
|
|
);
|
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
DEFINE_EVENT(btree_split, bcache_btree_node_split,
|
|
|
|
TP_PROTO(struct btree *b, unsigned keys),
|
|
|
|
TP_ARGS(b, keys)
|
|
|
|
);
|
2013-03-23 17:11:31 -06:00
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
DEFINE_EVENT(btree_split, bcache_btree_node_compact,
|
|
|
|
TP_PROTO(struct btree *b, unsigned keys),
|
|
|
|
TP_ARGS(b, keys)
|
2013-03-23 17:11:31 -06:00
|
|
|
);
|
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
DEFINE_EVENT(btree_node, bcache_btree_set_root,
|
|
|
|
TP_PROTO(struct btree *b),
|
|
|
|
TP_ARGS(b)
|
|
|
|
);
|
2013-03-23 17:11:31 -06:00
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
/* Allocator */
|
2013-03-23 17:11:31 -06:00
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
TRACE_EVENT(bcache_alloc_invalidate,
|
|
|
|
TP_PROTO(struct cache *ca),
|
|
|
|
TP_ARGS(ca),
|
2013-03-23 17:11:31 -06:00
|
|
|
|
|
|
|
TP_STRUCT__entry(
|
2013-04-26 16:39:55 -06:00
|
|
|
__field(unsigned, free )
|
|
|
|
__field(unsigned, free_inc )
|
|
|
|
__field(unsigned, free_inc_size )
|
|
|
|
__field(unsigned, unused )
|
2013-03-23 17:11:31 -06:00
|
|
|
),
|
|
|
|
|
|
|
|
TP_fast_assign(
|
2013-04-26 16:39:55 -06:00
|
|
|
__entry->free = fifo_used(&ca->free);
|
|
|
|
__entry->free_inc = fifo_used(&ca->free_inc);
|
|
|
|
__entry->free_inc_size = ca->free_inc.size;
|
|
|
|
__entry->unused = fifo_used(&ca->unused);
|
2013-03-23 17:11:31 -06:00
|
|
|
),
|
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
TP_printk("free %u free_inc %u/%u unused %u", __entry->free,
|
|
|
|
__entry->free_inc, __entry->free_inc_size, __entry->unused)
|
2013-03-23 17:11:31 -06:00
|
|
|
);
|
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
TRACE_EVENT(bcache_alloc_fail,
|
|
|
|
TP_PROTO(struct cache *ca),
|
|
|
|
TP_ARGS(ca),
|
2013-03-23 17:11:31 -06:00
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
TP_STRUCT__entry(
|
|
|
|
__field(unsigned, free )
|
|
|
|
__field(unsigned, free_inc )
|
|
|
|
__field(unsigned, unused )
|
|
|
|
__field(unsigned, blocked )
|
|
|
|
),
|
2013-03-23 17:11:31 -06:00
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
TP_fast_assign(
|
|
|
|
__entry->free = fifo_used(&ca->free);
|
|
|
|
__entry->free_inc = fifo_used(&ca->free_inc);
|
|
|
|
__entry->unused = fifo_used(&ca->unused);
|
|
|
|
__entry->blocked = atomic_read(&ca->set->prio_blocked);
|
|
|
|
),
|
2013-03-23 17:11:31 -06:00
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
TP_printk("free %u free_inc %u unused %u blocked %u", __entry->free,
|
|
|
|
__entry->free_inc, __entry->unused, __entry->blocked)
|
2013-03-23 17:11:31 -06:00
|
|
|
);
|
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
/* Background writeback */
|
2013-03-23 17:11:31 -06:00
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
DEFINE_EVENT(bkey, bcache_writeback,
|
|
|
|
TP_PROTO(struct bkey *k),
|
|
|
|
TP_ARGS(k)
|
|
|
|
);
|
2013-03-23 17:11:31 -06:00
|
|
|
|
2013-04-26 16:39:55 -06:00
|
|
|
DEFINE_EVENT(bkey, bcache_writeback_collision,
|
|
|
|
TP_PROTO(struct bkey *k),
|
|
|
|
TP_ARGS(k)
|
2013-03-23 17:11:31 -06:00
|
|
|
);
|
|
|
|
|
|
|
|
#endif /* _TRACE_BCACHE_H */
|
|
|
|
|
|
|
|
/* This part must be outside protection */
|
|
|
|
#include <trace/define_trace.h>
|