if s < scannerMetricLastRealtime {
			p.latency[s].add(duration)
		}

		if s > scannerMetricStartTrace && globalTrace.NumSubscribers(madmin.TraceScanner) > 0 {
			globalTrace.Publish(scannerTrace(s, startTime, duration, strings.Join(paths, " "), custom))
		}
	}
}

// time n scanner actions.
// Use for s < scannerMetricLastRealtime
func (p *scannerMetrics) timeN(s scannerMetric) func(n int) func() {