Module histogram 

Utilities for working with histograms.

Structs

Buckets

Holds constants for bucket sizes for histograms.

ScopedTimer

A timer guard that observes its duration when dropped.

Timed

A wrapper around a histogram that can time operations using a caller-provided clock.

Timer

A timer that records a duration when explicitly observed.

Traits

HistogramExt

Convenience methods for Prometheus histograms.

Functions

duration_histogram

Register a duration histogram using Buckets::LOCAL (storage-style work).