Struct ExpHistogram 

pub struct ExpHistogram { /* private fields */ }

A simple histogram that stores 15 roughly exponentially increasing buckets of values, from 0 to 1 billion, followed by a final bucket to store numbers greater than 1 billion.

Implementations

impl ExpHistogram

pub fn new() -> ExpHistogram

Create a new histogram.

pub fn add(&mut self, num: u64)

Add a value to the histogram.

pub fn boundaries(&self) -> &'static [u64; 16]

Returns the largest value that will be accepted into each bucket.

pub fn count(&self) -> u32

Returns the number of values stored in the histogram.

pub fn buckets(&self) -> &[u32; 16]

Returns the count of each bucket

Trait Implementations

impl Clone for ExpHistogram

fn clone(&self) -> ExpHistogram

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExpHistogram

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

Formats the value using the given formatter.

impl Default for ExpHistogram

fn default() -> Self

Returns the “default value” for a type.