You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.5 KiB
61 lines
1.5 KiB
#ifndef _BCACHE_STATS_H_ |
|
#define _BCACHE_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 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 sectors_bypassed; |
|
|
|
unsigned 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 bcache_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 *, struct bcache_device *, |
|
bool, bool); |
|
void bch_mark_cache_readahead(struct cache_set *, struct bcache_device *); |
|
void bch_mark_cache_miss_collision(struct cache_set *, struct bcache_device *); |
|
void bch_mark_sectors_bypassed(struct cache_set *, struct cached_dev *, int); |
|
|
|
#endif /* _BCACHE_STATS_H_ */
|
|
|