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1 | #ifndef _BCACHE_STATS_H_ |
2 | #define _BCACHE_STATS_H_ | |
3 | ||
4 | struct cache_stat_collector { | |
5 | atomic_t cache_hits; | |
6 | atomic_t cache_misses; | |
7 | atomic_t cache_bypass_hits; | |
8 | atomic_t cache_bypass_misses; | |
9 | atomic_t cache_readaheads; | |
10 | atomic_t cache_miss_collisions; | |
11 | atomic_t sectors_bypassed; | |
12 | }; | |
13 | ||
14 | struct 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_readaheads; | |
22 | unsigned long cache_miss_collisions; | |
23 | unsigned long sectors_bypassed; | |
24 | ||
25 | unsigned rescale; | |
26 | }; | |
27 | ||
28 | struct cache_accounting { | |
29 | struct closure cl; | |
30 | struct timer_list timer; | |
31 | atomic_t closing; | |
32 | ||
33 | struct cache_stat_collector collector; | |
34 | ||
35 | struct cache_stats total; | |
36 | struct cache_stats five_minute; | |
37 | struct cache_stats hour; | |
38 | struct cache_stats day; | |
39 | }; | |
40 | ||
220bb38c KO |
41 | struct cache_set; |
42 | struct cached_dev; | |
43 | struct bcache_device; | |
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44 | |
45 | void bch_cache_accounting_init(struct cache_accounting *acc, | |
46 | struct closure *parent); | |
47 | ||
48 | int bch_cache_accounting_add_kobjs(struct cache_accounting *acc, | |
49 | struct kobject *parent); | |
50 | ||
51 | void bch_cache_accounting_clear(struct cache_accounting *acc); | |
52 | ||
53 | void bch_cache_accounting_destroy(struct cache_accounting *acc); | |
54 | ||
220bb38c KO |
55 | void bch_mark_cache_accounting(struct cache_set *, struct bcache_device *, |
56 | bool, bool); | |
57 | void bch_mark_cache_readahead(struct cache_set *, struct bcache_device *); | |
58 | void bch_mark_cache_miss_collision(struct cache_set *, struct bcache_device *); | |
59 | void bch_mark_sectors_bypassed(struct cache_set *, struct cached_dev *, int); | |
cafe5635 KO |
60 | |
61 | #endif /* _BCACHE_STATS_H_ */ |