Struct Histogram 

pub struct Histogram {
    pub total: u64,
    pub sum: f64,
    /* private fields */
}

A histogram for profiling measurements.

Fields

total: u64

Total observations.

sum: f64

Sum of all observations (for mean).

Implementations

impl Histogram

pub fn new(n: usize, min_val: f64, max_val: f64) -> Self

Create a histogram with n equal-width buckets in [min_val, max_val].

pub fn record(&mut self, value: f64)

Record a value.

pub fn mean(&self) -> f64

Mean of all recorded values.

pub fn mode_bucket(&self) -> Option<&HistogramBucket>

Bucket with the most observations (mode bucket).

pub fn render_ascii(&self) -> String

Render a simple ASCII histogram.