Stat series

include/stat_series.h

struct stat_bucket

struct stat_bucket {
    struct stat_series  *parent;
    atomic_size_t       count;
    atomic_size_t       sum;
    void                *private;
};

struct stat_bucket referenced types:

• struct stat_series

struct stat_series

struct stat_series {
    stat_series_callback  bucket_reset;
    struct stat_bucket    *buckets;
    uint32_t              nbuckets;
    uint32_t              current;
    time_t                bucket_us;
    uint64_t              last_update_us;
    void                  *private;
    struct spinlock       lock;
};

struct stat_series referenced types:

• stat_series_callback
• struct stat_bucket
• time_t
• struct spinlock

type alias stat_series_callback

typedef size_t (*stat_series_callback)(struct stat_bucket * bucket);

type alias stat_series_callback referenced types:

• struct stat_bucket

stat_series_create

struct stat_series * stat_series_create(uint32_t nbuckets, time_t bucket_us, stat_series_callback bucket_reset, void *private);

stat_series_create referenced types:

• struct stat_series
• time_t
• stat_series_callback

stat_series_init

void stat_series_init(struct stat_series *s, struct stat_bucket *buckets, uint32_t nbuckets, time_t bucket_us, stat_series_callback bucket_reset, void *private);

stat_series_init referenced types:

• struct stat_series
• struct stat_bucket
• time_t
• stat_series_callback

stat_series_reset

void stat_series_reset(struct stat_series *s);

stat_series_reset referenced types:

• struct stat_series

stat_series_record

void stat_series_record(struct stat_series *s, size_t value, stat_series_callback callback);

stat_series_record referenced types:

• struct stat_series
• stat_series_callback

stat_series_advance

void stat_series_advance(struct stat_series *s, time_t now_us);

stat_series_advance referenced types:

• struct stat_series
• time_t

Defines

stat_series_for_each(series, iter)

#define stat_series_for_each(series, iter)                                     \ for (uint32_t __i = 0;                                                     \ (iter = &((series)->buckets[__i]), __i < (series)->nbuckets); __i++)

STAT_SERIES_DEFINE(name, n, bucket_us)

#define STAT_SERIES_DEFINE(name, n, bucket_us)                                 \ static struct stat_bucket name##_buckets[(n)] = {0};                       \ static struct stat_series name = {                                         \ .buckets = name##_buckets,                                             \ .nbuckets = (n),                                                       \ .bucket_us = (bucket_us),                                              \ };

STAT_SERIES_CUR_BUCKET(s)

#define STAT_SERIES_CUR_BUCKET(s) (&(s)->buckets[(s)->current])

---