for _, workload := range workloads {
		sm, err := metrics(promAPI, workload, metricsDuration)
		if err != nil {
			return fmt.Errorf("could not build metrics for workload '%s': %v", workload, err)
		}

		printMetrics(c.OutOrStdout(), sm)
	}
	return nil
}

func prometheusAPI(address string) (promv1.API, error) {
	promClient, err := api.NewClient(api.Config{Address: address})
	if err != nil {