1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2cafe5635SKent Overstreet #ifndef _BCACHE_STATS_H_ 3cafe5635SKent Overstreet #define _BCACHE_STATS_H_ 4cafe5635SKent Overstreet 5cafe5635SKent Overstreet struct cache_stat_collector { 6cafe5635SKent Overstreet atomic_t cache_hits; 7cafe5635SKent Overstreet atomic_t cache_misses; 8cafe5635SKent Overstreet atomic_t cache_bypass_hits; 9cafe5635SKent Overstreet atomic_t cache_bypass_misses; 10cafe5635SKent Overstreet atomic_t cache_miss_collisions; 11cafe5635SKent Overstreet atomic_t sectors_bypassed; 12cafe5635SKent Overstreet }; 13cafe5635SKent Overstreet 14cafe5635SKent Overstreet struct cache_stats { 15cafe5635SKent Overstreet struct kobject kobj; 16cafe5635SKent Overstreet 17cafe5635SKent Overstreet unsigned long cache_hits; 18cafe5635SKent Overstreet unsigned long cache_misses; 19cafe5635SKent Overstreet unsigned long cache_bypass_hits; 20cafe5635SKent Overstreet unsigned long cache_bypass_misses; 21cafe5635SKent Overstreet unsigned long cache_miss_collisions; 22cafe5635SKent Overstreet unsigned long sectors_bypassed; 23cafe5635SKent Overstreet 246f10f7d1SColy Li unsigned int rescale; 25cafe5635SKent Overstreet }; 26cafe5635SKent Overstreet 27cafe5635SKent Overstreet struct cache_accounting { 28cafe5635SKent Overstreet struct closure cl; 29cafe5635SKent Overstreet struct timer_list timer; 30cafe5635SKent Overstreet atomic_t closing; 31cafe5635SKent Overstreet 32cafe5635SKent Overstreet struct cache_stat_collector collector; 33cafe5635SKent Overstreet 34cafe5635SKent Overstreet struct cache_stats total; 35cafe5635SKent Overstreet struct cache_stats five_minute; 36cafe5635SKent Overstreet struct cache_stats hour; 37cafe5635SKent Overstreet struct cache_stats day; 38cafe5635SKent Overstreet }; 39cafe5635SKent Overstreet 40220bb38cSKent Overstreet struct cache_set; 41220bb38cSKent Overstreet struct cached_dev; 42220bb38cSKent Overstreet struct bcache_device; 43cafe5635SKent Overstreet 44cafe5635SKent Overstreet void bch_cache_accounting_init(struct cache_accounting *acc, 45cafe5635SKent Overstreet struct closure *parent); 46cafe5635SKent Overstreet 47cafe5635SKent Overstreet int bch_cache_accounting_add_kobjs(struct cache_accounting *acc, 48cafe5635SKent Overstreet struct kobject *parent); 49cafe5635SKent Overstreet 50cafe5635SKent Overstreet void bch_cache_accounting_clear(struct cache_accounting *acc); 51cafe5635SKent Overstreet 52cafe5635SKent Overstreet void bch_cache_accounting_destroy(struct cache_accounting *acc); 53cafe5635SKent Overstreet 54*fc2d5988SColy Li void bch_mark_cache_accounting(struct cache_set *c, struct bcache_device *d, 55*fc2d5988SColy Li bool hit, bool bypass); 56*fc2d5988SColy Li void bch_mark_cache_miss_collision(struct cache_set *c, 57*fc2d5988SColy Li struct bcache_device *d); 58*fc2d5988SColy Li void bch_mark_sectors_bypassed(struct cache_set *c, 59*fc2d5988SColy Li struct cached_dev *dc, 60*fc2d5988SColy Li int sectors); 61cafe5635SKent Overstreet 62cafe5635SKent Overstreet #endif /* _BCACHE_STATS_H_ */ 63