63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BCACHE_STATS_H_
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#define _BCACHE_STATS_H_
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struct cache_stat_collector {
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atomic_t cache_hits;
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atomic_t cache_misses;
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atomic_t cache_bypass_hits;
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atomic_t cache_bypass_misses;
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atomic_t cache_readaheads;
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atomic_t cache_miss_collisions;
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atomic_t sectors_bypassed;
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};
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struct cache_stats {
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struct kobject kobj;
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unsigned long cache_hits;
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unsigned long cache_misses;
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unsigned long cache_bypass_hits;
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unsigned long cache_bypass_misses;
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unsigned long cache_readaheads;
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unsigned long cache_miss_collisions;
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unsigned long sectors_bypassed;
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unsigned rescale;
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};
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struct cache_accounting {
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struct closure cl;
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struct timer_list timer;
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atomic_t closing;
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struct cache_stat_collector collector;
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struct cache_stats total;
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struct cache_stats five_minute;
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struct cache_stats hour;
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struct cache_stats day;
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};
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struct cache_set;
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struct cached_dev;
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struct bcache_device;
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void bch_cache_accounting_init(struct cache_accounting *acc,
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struct closure *parent);
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int bch_cache_accounting_add_kobjs(struct cache_accounting *acc,
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struct kobject *parent);
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void bch_cache_accounting_clear(struct cache_accounting *acc);
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void bch_cache_accounting_destroy(struct cache_accounting *acc);
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void bch_mark_cache_accounting(struct cache_set *, struct bcache_device *,
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bool, bool);
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void bch_mark_cache_readahead(struct cache_set *, struct bcache_device *);
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void bch_mark_cache_miss_collision(struct cache_set *, struct bcache_device *);
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void bch_mark_sectors_bypassed(struct cache_set *, struct cached_dev *, int);
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#endif /* _BCACHE_STATS_H_ */
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