Struct Histogram 

pub struct Histogram { /* private fields */ }

A histogram samples observations and counts them in configurable buckets

Implementations

impl Histogram

pub fn new(name: impl Into<String>, help: impl Into<String>) -> Self

Create a new histogram with default buckets

pub fn with_buckets( name: impl Into<String>, help: impl Into<String>, config: BucketConfig, ) -> Self

Create a new histogram with custom buckets

pub fn observe(&self, value: f64)

Observe a value

pub fn bucket_counts(&self) -> Vec<u64>

Get bucket counts

pub fn boundaries(&self) -> &[f64]

Get bucket boundaries

pub fn sum(&self) -> f64

Get sum of all values

pub fn count(&self) -> u64

Get count of observations

pub fn name(&self) -> &str

Get histogram name

pub fn help(&self) -> &str

Get help text

pub fn percentile(&self, p: f64) -> Option<f64>

Calculate percentile (approximate)

pub fn reset(&self)

Reset the histogram

Trait Implementations

impl Clone for Histogram

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Histogram

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

Formats the value using the given formatter.