1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHE_STATS_H_
3 #define _BCACHE_STATS_H_
5 struct cache_stat_collector {
8 atomic_t cache_bypass_hits;
9 atomic_t cache_bypass_misses;
10 atomic_t cache_miss_collisions;
11 atomic_t sectors_bypassed;
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;
28 struct cache_accounting {
30 struct timer_list timer;
33 struct cache_stat_collector collector;
35 struct cache_stats total;
36 struct cache_stats five_minute;
37 struct cache_stats hour;
38 struct cache_stats day;
45 void bch_cache_accounting_init(struct cache_accounting *acc,
46 struct closure *parent);
48 int bch_cache_accounting_add_kobjs(struct cache_accounting *acc,
49 struct kobject *parent);
51 void bch_cache_accounting_clear(struct cache_accounting *acc);
53 void bch_cache_accounting_destroy(struct cache_accounting *acc);
55 void bch_mark_cache_accounting(struct cache_set *c, struct bcache_device *d,
56 bool hit, bool bypass);
57 void bch_mark_cache_readahead(struct cache_set *c, struct bcache_device *d);
58 void bch_mark_cache_miss_collision(struct cache_set *c,
59 struct bcache_device *d);
60 void bch_mark_sectors_bypassed(struct cache_set *c,
61 struct cached_dev *dc,
64 #endif /* _BCACHE_STATS_H_ */