Function registerMetric

experimental/stats/metricregistry.go:215–223

(metricName string, def bool)

}

func registerMetric(metricName string, def bool) {
	if registeredMetrics[metricName] {
		logger.Fatalf("metric %v already registered", metricName)
	}
	registeredMetrics[metricName] = true
	if def {
		DefaultMetrics = DefaultMetrics.Add(metricName)
	}
}

// RegisterInt64Count registers the metric description onto the global registry.
// It returns a typed handle to use to recording data.