Struct Histogram 

pub struct Histogram { /* private fields */ }

Fixed-bucket exponential histogram — 16 buckets covering up to 2^16 ≈ 65k of the chosen unit. Right for ns-to-ms latency distributions or 1-100k sample-count distributions.

Implementations

impl Histogram

pub const fn new() -> Self

pub fn record(&self, value: u64)

pub fn count(&self) -> u64

pub fn sum(&self) -> u64

pub fn mean(&self) -> Option<f64>

pub fn bucket_counts(&self) -> [u64; 16]

Trait Implementations

impl Debug for Histogram

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Histogram

fn default() -> Self

Returns the “default value” for a type.