Get the metric by the given name or nil if none is registered.

Handler returns an HTTP handler which dump metrics in Prometheus format.

Create a new registry.

NewSet creates new set of metrics.

NewSummary creates and returns new summary in s with the given name, window and quantiles.

Setup starts a dedicated metrics server at the given address.

registry used in swarm.

Set is a set of metrics.

The standard implementation of a Registry is a mutex-protected map of names to metrics.

A Registry holds references to a set of metrics by name and can iterate over them, calling callback functions provided by the user.

Stoppable defines the metrics which has to be stopped.

DuplicateMetric is the error returned by Registry.Register when a metric already exists.