bcachefs-tools/libbcache/stats_types.h
2017-01-20 09:07:08 -09:00

57 lines
1.2 KiB
C

#ifndef _BCACHE_STATS_TYPES_H_
#define _BCACHE_STATS_TYPES_H_
struct cache_stat_collector {
union {
struct {
atomic_t cache_hits;
atomic_t cache_misses;
atomic_t cache_bypass_hits;
atomic_t cache_bypass_misses;
};
/* cache_hit_array[!bypass][!hit]: */
atomic_t cache_hit_array[2][2];
};
atomic_t cache_readaheads;
atomic_t cache_miss_collisions;
atomic_t sectors_bypassed;
atomic_t foreground_write_sectors;
atomic_t gc_write_sectors;
atomic_t discard_sectors;
};
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 long foreground_write_sectors;
unsigned long gc_write_sectors;
unsigned long discard_sectors;
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;
};
#endif /* _BCACHE_STATS_TYPES_H_ */