Interface Summary

prometheus/summary.go:54–65

A Summary captures individual observations from an event or sample stream and summarizes them in a manner similar to traditional summary statistics: 1. sum of observations, 2. observation count, 3. rank estimations. A typical use-case is the observation of request latencies. By default, a Summary p

//
// To create Summary instances, use NewSummary.
type Summary interface {
	Metric
	Collector

	// Observe adds a single observation to the summary. Observations are
	// usually positive or zero. Negative observations are accepted but
	// prevent current versions of Prometheus from properly detecting
	// counter resets in the sum of observations. See
	// https://prometheus.io/docs/practices/histograms/#count-and-sum-of-observations
	// for details.
	Observe(float64)
}

var errQuantileLabelNotAllowed = fmt.Errorf(
	"%q is not allowed as label name in summaries", quantileLabel,