objectAPI, _ := validateAdminReq(ctx, w, r, policy.BandwidthMonitorAction)
	if objectAPI == nil {
		return
	}

	enc := json.NewEncoder(w)
	if err := enc.Encode(madmin.ClientPerfExtraTime{TimeSpent: atomic.LoadInt64(&globalLastClientPerfExtraTime)}); err != nil {
		return
	}
}

// ClientDevNull - everything goes to io.Discard
// [POST] /minio/admin/v3/speedtest/client/devnull

	lastSyncTime := atomic.LoadUint64(&globalIAMSys.LastRefreshTimeUnixNano)
	if lastSyncTime != 0 {
		m.Set(sinceLastSyncMillis, float64((uint64(time.Now().UnixNano())-lastSyncTime)/uint64(time.Millisecond)))
	}
	m.Set(syncFailures, float64(atomic.LoadUint64(&globalIAMSys.TotalRefreshFailures)))
	m.Set(syncSuccesses, float64(atomic.LoadUint64(&globalIAMSys.TotalRefreshSuccesses)))
	return nil

	serverStats.TotalS3RejectedAuth = atomic.LoadUint64(&st.rejectedRequestsAuth)
	serverStats.TotalS3RejectedTime = atomic.LoadUint64(&st.rejectedRequestsTime)
	serverStats.TotalS3RejectedHeader = atomic.LoadUint64(&st.rejectedRequestsHeader)
	serverStats.TotalS3RejectedInvalid = atomic.LoadUint64(&st.rejectedRequestsInvalid)
	serverStats.CurrentS3Requests = ServerHTTPAPIStats{

	})
	return i
}

// lifetime returns the lifetime count of the specified metric.
func (p *scannerMetrics) lifetime(m scannerMetric) uint64 {
	if m >= scannerMetricLast {
		return 0
	}
	val := atomic.LoadUint64(&p.operations[m])
	return val
}

// lastMinute returns the last minute statistics of a metric.
// m should be < scannerMetricLastRealtime
func (p *scannerMetrics) lastMinute(m scannerMetric) AccElem {

			return
		}
		switch msgp.UnsafeString(field) {
		case "Total":
			z.Total, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "Total")
				return
			}
		case "Size":
			z.Size, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "Size")
				return
			}
		case "N":
			z.N, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "N")
				return
			}
		default:

//
// Close operations must do increfAndClose/decref.

// incref adds a reference to mu.
// It reports whether mu is available for reading or writing.
func (mu *fdMutex) incref() bool {
	for {
		old := atomic.LoadUint64(&mu.state)
		if old&mutexClosed != 0 {
			return false
		}
		new := old + mutexRef
		if new&mutexRefMask == 0 {
			panic(overflowMsg)
		}
		if atomic.CompareAndSwapUint64(&mu.state, old, new) {

	go func() {
		for {
			atomic.AddUint64(&a, uint64(1))
		}
	}()

	time.Sleep(10 * time.Millisecond) // Short sleep is enough in passing case
	i, val := 0, atomic.LoadUint64(&a)
	for ; val == 0 && i < 100; val, i = atomic.LoadUint64(&a), i+1 {
		time.Sleep(100 * time.Millisecond)
	}
	if val == 0 {
		fmt.Printf("Failed to observe atomic increment after %d tries\n", i)
	}

	atomic.AddUint64(&ms.PubKeyHitNum, 1)

	if ms.ReturnSuccessAfterFirstNumHits > 0 && atomic.LoadUint64(&ms.PubKeyHitNum) >= ms.ReturnSuccessAfterFirstNumHits {
		fmt.Fprintf(w, "%v", JwtPubKey1)
		return
	}

	if ms.ReturnErrorAfterFirstNumHits != 0 && atomic.LoadUint64(&ms.PubKeyHitNum) > ms.ReturnErrorAfterFirstNumHits {
		w.WriteHeader(http.StatusForbidden)

				return
			}
		case "ob":
			z.Objects, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "Objects")
				return
			}
		case "dm":
			z.DeleteMarkers, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "DeleteMarkers")
				return
			}
		case "obf":
			z.ObjectsFailed, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "ObjectsFailed")

	}
	ps.Lock()
	defer ps.Unlock()

	sub := &Sub[T]{ch: subCh, types: Mask(mask.Mask()), filter: filter}
	ps.subs = append(ps.subs, sub)

	// We hold a lock, so we are safe to update
	combined := Mask(atomic.LoadUint64(&ps.types))
	combined.Merge(Mask(mask.Mask()))
	atomic.StoreUint64(&ps.types, uint64(combined))

	go func() {
		<-doneCh

		ps.Lock()
		defer ps.Unlock()
		var remainTypes Mask