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#ifndef _DBCACHE_STATS_H_
#define _DBCACHE_STATS_H_
struct cache_stat_collector {
atomic_t cache_hits;
atomic_t cache_misses;
atomic_t cache_bypass_hits;
atomic_t cache_bypass_misses;
atomic_t cache_readaheads;
atomic_t cache_miss_collisions;
atomic_t cache_prefetch_fake_hits;
atomic_t sectors_bypassed;
};
struct cache_stats {
struct kobject kobj;
unsigned long cache_hits;
unsigned long cache_misses;
unsigned long cache_bypass_hits;
unsigned long cache_bypass_misses;
unsigned long cache_readaheads;
unsigned long cache_miss_collisions;
unsigned long cache_prefetch_fake_hits;
unsigned long sectors_bypassed;
unsigned int rescale;
};
struct cache_accounting {
struct closure cl;
struct timer_list timer;
atomic_t closing;
struct cache_stat_collector collector;
struct cache_stats total;
struct cache_stats five_minute;
struct cache_stats hour;
struct cache_stats day;
};
struct cache_set;
struct cached_dev;
struct dbcache_device;
void bch_cache_accounting_init(struct cache_accounting *acc,
struct closure *parent);
int bch_cache_accounting_add_kobjs(struct cache_accounting *acc,
struct kobject *parent);
void bch_cache_accounting_clear(struct cache_accounting *acc);
void bch_cache_accounting_destroy(struct cache_accounting *acc);
void bch_mark_cache_accounting(struct cache_set *c, struct dbcache_device *d,
bool hit, bool bypass);
void bch_mark_cache_readahead(struct cache_set *c, struct dbcache_device *d);
void bch_mark_cache_miss_collision(struct cache_set *c,
struct dbcache_device *d);
void bch_mark_cache_prefetch_fake_hit(struct cache_set *c, struct dbcache_device *d);
void bch_mark_sectors_bypassed(struct cache_set *c,
struct cached_dev *dc,
int sectors);
#endif /* _DBCACHE_STATS_H_ */
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