Struct historian::Histo

pub struct Histo { /* fields omitted */ }

A histogram collector that uses zero-configuration logarithmic buckets.

Methods

impl Histo

fn measure<T: Into<f64>>(&self, value: T) -> usize

Record a value.

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

Retrieve a percentile [0-100]. Returns NAN if no metrics have been collected yet.

fn print_percentiles(&self)

Dump out some common percentiles.

fn sum(&self) -> usize

Return the sum of all observations in this histogram.

fn count(&self) -> usize

Return the count of observations in this histogram.

Trait Implementations

impl Default for Histo

fn default() -> Histo

Returns the "default value" for a type.

impl Send for Histo

impl Debug for Histo

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

Formats the value using the given formatter.