oldSig, _ := sigs[tokenID]
		if sig != oldSig {
			needUpdate = true
		}
		delete(sigs, tokenID)

		newCM.Data[bootstrapapi.JWSSignatureKeyPrefix+tokenID] = sig
	}

	// If we have signatures left over we know that some signatures were
	// removed.  We now need to update the ConfigMap
	if len(sigs) != 0 {
		needUpdate = true
	}

	if needUpdate {
		e.updateConfigMap(ctx, newCM)
	}
}

				s.startupSLIObserver.ObservedPodOnWatch(ref, time.Now())
			}
			if existing, found := oldPods[ref.UID]; found {
				pods[ref.UID] = existing
				needUpdate, needReconcile, needGracefulDelete := checkAndUpdatePod(existing, ref)
				if needUpdate {
					updatePods = append(updatePods, existing)
				} else if needReconcile {
					reconcilePods = append(reconcilePods, existing)
				} else if needGracefulDelete {

	if err != nil {
		return err
	}
	node := originalNode.DeepCopy()

	needUpdate := false
	for _, update := range updateFuncs {
		newNode, updated, err := update(node)
		if err != nil {
			return err
		}
		node = newNode
		needUpdate = needUpdate || updated
	}

	if needUpdate {
		// PatchNodeStatus can update both node's status and labels or annotations

// we can go before updating the limiter.
const gcCPULimiterUpdatePeriod = 10e6 // 10ms

// needUpdate returns true if the limiter's maximum update period has been
// exceeded, and so would benefit from an update.
func (l *gcCPULimiterState) needUpdate(now int64) bool {
	return now-l.lastUpdate.Load() > gcCPULimiterUpdatePeriod
}

func (l *GCCPULimiter) Overflow() uint64 {
	return l.limiter.overflow
}

func (l *GCCPULimiter) Limiting() bool {
	return l.limiter.limiting()
}

func (l *GCCPULimiter) NeedUpdate(now int64) bool {
	return l.limiter.needUpdate(now)
}

func (l *GCCPULimiter) StartGCTransition(enableGC bool, now int64) {
	l.limiter.startGCTransition(enableGC, now)
}