var me *multierror.Error
	var err error
	sm := workloadMetrics{workload: workload}
	sm.totalRPS, err = vectorValue(promAPI, rpsQuery)
	if err != nil {
		me = multierror.Append(me, err)
	}

	sm.errorRPS, err = vectorValue(promAPI, errRPSQuery)
	if err != nil {
		me = multierror.Append(me, err)
	}

	p50Latency, err := getLatency(promAPI, wname, wns, duration, 0.5)