| Kent Overstreet | cafe563 | 2013-03-23 16:11:31 -0700 | [diff] [blame] | 1 | #ifndef _BCACHE_STATS_H_ |
| 2 | #define _BCACHE_STATS_H_ |
| 3 | |
| 4 | struct cache_stat_collector { |
| 5 | atomic_t cache_hits; |
| 6 | atomic_t cache_misses; |
| 7 | atomic_t cache_bypass_hits; |
| 8 | atomic_t cache_bypass_misses; |
| 9 | atomic_t cache_readaheads; |
| 10 | atomic_t cache_miss_collisions; |
| 11 | atomic_t sectors_bypassed; |
| 12 | }; |
| 13 | |
| 14 | struct cache_stats { |
| 15 | struct kobject kobj; |
| 16 | |
| 17 | unsigned long cache_hits; |
| 18 | unsigned long cache_misses; |
| 19 | unsigned long cache_bypass_hits; |
| 20 | unsigned long cache_bypass_misses; |
| 21 | unsigned long cache_readaheads; |
| 22 | unsigned long cache_miss_collisions; |
| 23 | unsigned long sectors_bypassed; |
| 24 | |
| 25 | unsigned rescale; |
| 26 | }; |
| 27 | |
| 28 | struct cache_accounting { |
| 29 | struct closure cl; |
| 30 | struct timer_list timer; |
| 31 | atomic_t closing; |
| 32 | |
| 33 | struct cache_stat_collector collector; |
| 34 | |
| 35 | struct cache_stats total; |
| 36 | struct cache_stats five_minute; |
| 37 | struct cache_stats hour; |
| 38 | struct cache_stats day; |
| 39 | }; |
| 40 | |
| Kent Overstreet | 220bb38 | 2013-09-10 19:02:45 -0700 | [diff] [blame] | 41 | struct cache_set; |
| 42 | struct cached_dev; |
| 43 | struct bcache_device; |
| Kent Overstreet | cafe563 | 2013-03-23 16:11:31 -0700 | [diff] [blame] | 44 | |
| 45 | void bch_cache_accounting_init(struct cache_accounting *acc, |
| 46 | struct closure *parent); |
| 47 | |
| 48 | int bch_cache_accounting_add_kobjs(struct cache_accounting *acc, |
| 49 | struct kobject *parent); |
| 50 | |
| 51 | void bch_cache_accounting_clear(struct cache_accounting *acc); |
| 52 | |
| 53 | void bch_cache_accounting_destroy(struct cache_accounting *acc); |
| 54 | |
| Kent Overstreet | 220bb38 | 2013-09-10 19:02:45 -0700 | [diff] [blame] | 55 | void bch_mark_cache_accounting(struct cache_set *, struct bcache_device *, |
| 56 | bool, bool); |
| 57 | void bch_mark_cache_readahead(struct cache_set *, struct bcache_device *); |
| 58 | void bch_mark_cache_miss_collision(struct cache_set *, struct bcache_device *); |
| 59 | void bch_mark_sectors_bypassed(struct cache_set *, struct cached_dev *, int); |
| Kent Overstreet | cafe563 | 2013-03-23 16:11:31 -0700 | [diff] [blame] | 60 | |
| 61 | #endif /* _BCACHE_STATS_H_ */ |