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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef _BCACHE_STATS_H_3#define _BCACHE_STATS_H_4 5struct cache_stat_collector {6 atomic_t cache_hits;7 atomic_t cache_misses;8 atomic_t cache_bypass_hits;9 atomic_t cache_bypass_misses;10 atomic_t cache_miss_collisions;11 atomic_t sectors_bypassed;12};13 14struct 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_miss_collisions;22 unsigned long sectors_bypassed;23 24 unsigned int rescale;25};26 27struct cache_accounting {28 struct closure cl;29 struct timer_list timer;30 atomic_t closing;31 32 struct cache_stat_collector collector;33 34 struct cache_stats total;35 struct cache_stats five_minute;36 struct cache_stats hour;37 struct cache_stats day;38};39 40struct cache_set;41struct cached_dev;42struct bcache_device;43 44void bch_cache_accounting_init(struct cache_accounting *acc,45 struct closure *parent);46 47int bch_cache_accounting_add_kobjs(struct cache_accounting *acc,48 struct kobject *parent);49 50void bch_cache_accounting_clear(struct cache_accounting *acc);51 52void bch_cache_accounting_destroy(struct cache_accounting *acc);53 54void bch_mark_cache_accounting(struct cache_set *c, struct bcache_device *d,55 bool hit, bool bypass);56void bch_mark_cache_miss_collision(struct cache_set *c,57 struct bcache_device *d);58void bch_mark_sectors_bypassed(struct cache_set *c,59 struct cached_dev *dc,60 int sectors);61 62#endif /* _BCACHE_STATS_H_ */63