mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
cafe563591
Does writethrough and writeback caching, handles unclean shutdown, and has a bunch of other nifty features motivated by real world usage. See the wiki at http://bcache.evilpiepirate.org for more. Signed-off-by: Kent Overstreet <koverstreet@google.com>
272 lines
5.1 KiB
C
272 lines
5.1 KiB
C
#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>
|
|
|
|
struct search;
|
|
|
|
DECLARE_EVENT_CLASS(bcache_request,
|
|
|
|
TP_PROTO(struct search *s, struct bio *bio),
|
|
|
|
TP_ARGS(s, 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 )
|
|
__array(char, comm, TASK_COMM_LEN )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->dev = bio->bi_bdev->bd_dev;
|
|
__entry->orig_major = s->d->disk->major;
|
|
__entry->orig_minor = s->d->disk->first_minor;
|
|
__entry->sector = bio->bi_sector;
|
|
__entry->orig_sector = bio->bi_sector - 16;
|
|
__entry->nr_sector = bio->bi_size >> 9;
|
|
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
|
|
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
|
|
),
|
|
|
|
TP_printk("%d,%d %s %llu + %u [%s] (from %d,%d @ %llu)",
|
|
MAJOR(__entry->dev), MINOR(__entry->dev),
|
|
__entry->rwbs,
|
|
(unsigned long long)__entry->sector,
|
|
__entry->nr_sector, __entry->comm,
|
|
__entry->orig_major, __entry->orig_minor,
|
|
(unsigned long long)__entry->orig_sector)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_request, bcache_request_start,
|
|
|
|
TP_PROTO(struct search *s, struct bio *bio),
|
|
|
|
TP_ARGS(s, bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_request, bcache_request_end,
|
|
|
|
TP_PROTO(struct search *s, struct bio *bio),
|
|
|
|
TP_ARGS(s, 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 )
|
|
__array(char, comm, TASK_COMM_LEN )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->dev = bio->bi_bdev->bd_dev;
|
|
__entry->sector = bio->bi_sector;
|
|
__entry->nr_sector = bio->bi_size >> 9;
|
|
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
|
|
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
|
|
),
|
|
|
|
TP_printk("%d,%d %s %llu + %u [%s]",
|
|
MAJOR(__entry->dev), MINOR(__entry->dev),
|
|
__entry->rwbs,
|
|
(unsigned long long)__entry->sector,
|
|
__entry->nr_sector, __entry->comm)
|
|
);
|
|
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_passthrough,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_cache_hit,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_cache_miss,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_read_retry,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_writethrough,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_writeback,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_write_skip,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_btree_read,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_btree_write,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_write_dirty,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_read_dirty,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_write_moving,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_read_moving,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_bio, bcache_journal_write,
|
|
|
|
TP_PROTO(struct bio *bio),
|
|
|
|
TP_ARGS(bio)
|
|
);
|
|
|
|
DECLARE_EVENT_CLASS(bcache_cache_bio,
|
|
|
|
TP_PROTO(struct bio *bio,
|
|
sector_t orig_sector,
|
|
struct block_device* orig_bdev),
|
|
|
|
TP_ARGS(bio, orig_sector, orig_bdev),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(dev_t, dev )
|
|
__field(dev_t, orig_dev )
|
|
__field(sector_t, sector )
|
|
__field(sector_t, orig_sector )
|
|
__field(unsigned int, nr_sector )
|
|
__array(char, rwbs, 6 )
|
|
__array(char, comm, TASK_COMM_LEN )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->dev = bio->bi_bdev->bd_dev;
|
|
__entry->orig_dev = orig_bdev->bd_dev;
|
|
__entry->sector = bio->bi_sector;
|
|
__entry->orig_sector = orig_sector;
|
|
__entry->nr_sector = bio->bi_size >> 9;
|
|
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
|
|
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
|
|
),
|
|
|
|
TP_printk("%d,%d %s %llu + %u [%s] (from %d,%d %llu)",
|
|
MAJOR(__entry->dev), MINOR(__entry->dev),
|
|
__entry->rwbs,
|
|
(unsigned long long)__entry->sector,
|
|
__entry->nr_sector, __entry->comm,
|
|
MAJOR(__entry->orig_dev), MINOR(__entry->orig_dev),
|
|
(unsigned long long)__entry->orig_sector)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_cache_bio, bcache_cache_insert,
|
|
|
|
TP_PROTO(struct bio *bio,
|
|
sector_t orig_sector,
|
|
struct block_device *orig_bdev),
|
|
|
|
TP_ARGS(bio, orig_sector, orig_bdev)
|
|
);
|
|
|
|
DECLARE_EVENT_CLASS(bcache_gc,
|
|
|
|
TP_PROTO(uint8_t *uuid),
|
|
|
|
TP_ARGS(uuid),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(uint8_t *, uuid)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->uuid = uuid;
|
|
),
|
|
|
|
TP_printk("%pU", __entry->uuid)
|
|
);
|
|
|
|
|
|
DEFINE_EVENT(bcache_gc, bcache_gc_start,
|
|
|
|
TP_PROTO(uint8_t *uuid),
|
|
|
|
TP_ARGS(uuid)
|
|
);
|
|
|
|
DEFINE_EVENT(bcache_gc, bcache_gc_end,
|
|
|
|
TP_PROTO(uint8_t *uuid),
|
|
|
|
TP_ARGS(uuid)
|
|
);
|
|
|
|
#endif /* _TRACE_BCACHE_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|