feat: implement "queue-sort" extension point for scheduling framework

pkg/scheduler/core/extender_test.go

@@ -536,7 +536,7 @@ func TestGenericSchedulerWithExtenders(t *testing.T) {
 			for _, name := range test.nodes {
 				cache.AddNode(createNode(name))
 			}
-			queue := internalqueue.NewSchedulingQueue(nil)
+			queue := internalqueue.NewSchedulingQueue(nil, nil)
 			scheduler := NewGenericScheduler(
 				cache,
 				queue,

pkg/scheduler/core/generic_scheduler_test.go

@@ -452,7 +452,7 @@ func TestGenericScheduler(t *testing.T) {
 
 			scheduler := NewGenericScheduler(
 				cache,
-				internalqueue.NewSchedulingQueue(nil),
+				internalqueue.NewSchedulingQueue(nil, nil),
 				test.predicates,
 				algorithmpredicates.EmptyPredicateMetadataProducer,
 				test.prioritizers,
@@ -488,7 +488,7 @@ func makeScheduler(predicates map[string]algorithmpredicates.FitPredicate, nodes
 
 	s := NewGenericScheduler(
 		cache,
-		internalqueue.NewSchedulingQueue(nil),
+		internalqueue.NewSchedulingQueue(nil, nil),
 		predicates,
 		algorithmpredicates.EmptyPredicateMetadataProducer,
 		prioritizers,
@@ -1491,7 +1491,7 @@ func TestPreempt(t *testing.T) {
 			}
 			scheduler := NewGenericScheduler(
 				cache,
-				internalqueue.NewSchedulingQueue(nil),
+				internalqueue.NewSchedulingQueue(nil, nil),
 				map[string]algorithmpredicates.FitPredicate{"matches": algorithmpredicates.PodFitsResources},
 				algorithmpredicates.EmptyPredicateMetadataProducer,
 				[]priorities.PriorityConfig{{Function: numericPriority, Weight: 1}},

pkg/scheduler/factory/factory.go

@@ -262,7 +262,7 @@ func NewConfigFactory(args *ConfigFactoryArgs) Configurator {
 	c := &configFactory{
 		client:                         args.Client,
 		podLister:                      schedulerCache,
-		podQueue:                       internalqueue.NewSchedulingQueue(stopEverything),
+		podQueue:                       internalqueue.NewSchedulingQueue(stopEverything, framework),
 		nodeLister:                     args.NodeInformer.Lister(),
 		pVLister:                       args.PvInformer.Lister(),
 		pVCLister:                      args.PvcInformer.Lister(),

pkg/scheduler/factory/factory_test.go

@@ -256,7 +256,7 @@ func TestDefaultErrorFunc(t *testing.T) {
 	defer close(stopCh)
 
 	timestamp := time.Now()
-	queue := internalqueue.NewPriorityQueueWithClock(nil, clock.NewFakeClock(timestamp))
+	queue := internalqueue.NewPriorityQueueWithClock(nil, clock.NewFakeClock(timestamp), nil)
 	schedulerCache := internalcache.New(30*time.Second, stopCh)
 	errFunc := MakeDefaultErrorFunc(client, queue, schedulerCache, stopCh)
 

pkg/scheduler/framework/v1alpha1/framework.go

@@ -34,6 +34,7 @@ type framework struct {
 	nodeInfoSnapshot *cache.NodeInfoSnapshot
 	waitingPods      *waitingPodsMap
 	plugins          map[string]Plugin // a map of initialized plugins. Plugin name:plugin instance.
+	queueSortPlugins []QueueSortPlugin
 	reservePlugins   []ReservePlugin
 	prebindPlugins   []PrebindPlugin
 	unreservePlugins []UnreservePlugin
@@ -69,6 +70,10 @@ func NewFramework(r Registry, _ *runtime.Unknown) (Framework, error) {
 		// TODO: For now, we assume any plugins that implements an extension
 		// point wants to be called at that extension point. We should change this
 		// later and add these plugins based on the configuration.
+		if qsp, ok := p.(QueueSortPlugin); ok {
+			f.queueSortPlugins = append(f.queueSortPlugins, qsp)
+		}
+
 		if rp, ok := p.(ReservePlugin); ok {
 			f.reservePlugins = append(f.reservePlugins, rp)
 		}
@@ -85,6 +90,16 @@ func NewFramework(r Registry, _ *runtime.Unknown) (Framework, error) {
 	return f, nil
 }
 
+// QueueSortFunc returns the function to sort pods in scheduling queue
+func (f *framework) QueueSortFunc() LessFunc {
+	if len(f.queueSortPlugins) == 0 {
+		return nil
+	}
+
+	// Only one QueueSort plugin can be enabled.
+	return f.queueSortPlugins[0].Less
+}
+
 // RunPrebindPlugins runs the set of configured prebind plugins. It returns a
 // failure (bool) if any of the plugins returns an error. It also returns an
 // error containing the rejection message or the error occurred in the plugin.

pkg/scheduler/framework/v1alpha1/interface.go

@@ -107,6 +107,25 @@ type Plugin interface {
 	Name() string
 }
 
+// PodInfo is minimum cell in the scheduling queue.
+type PodInfo struct {
+	Pod *v1.Pod
+	// The time pod added to the scheduling queue.
+	Timestamp time.Time
+}
+
+// LessFunc is the function to sort pod info
+type LessFunc func(podInfo1, podInfo2 *PodInfo) bool
+
+// QueueSortPlugin is an interface that must be implemented by "QueueSort" plugins.
+// These plugins are used to sort pods in the scheduling queue. Only one queue sort
+// plugin may be enabled at a time.
+type QueueSortPlugin interface {
+	Plugin
+	// Less are used to sort pods in the scheduling queue.
+	Less(*PodInfo, *PodInfo) bool
+}
+
 // ReservePlugin is an interface for Reserve plugins. These plugins are called
 // at the reservation point. These are meant to update the state of the plugin.
 // This concept used to be called 'assume' in the original scheduler.
@@ -157,6 +176,9 @@ type PermitPlugin interface {
 // Configured plugins are called at specified points in a scheduling context.
 type Framework interface {
 	FrameworkHandle
+	// QueueSortFunc returns the function to sort pods in scheduling queue
+	QueueSortFunc() LessFunc
+
 	// RunPrebindPlugins runs the set of configured prebind plugins. It returns
 	// *Status and its code is set to non-success if any of the plugins returns
 	// anything but Success. If the Status code is "Unschedulable", it is

pkg/scheduler/internal/queue/BUILD

@@ -11,6 +11,7 @@ go_library(
     deps = [
         "//pkg/scheduler/algorithm/predicates:go_default_library",
         "//pkg/scheduler/algorithm/priorities/util:go_default_library",
+        "//pkg/scheduler/framework/v1alpha1:go_default_library",
         "//pkg/scheduler/metrics:go_default_library",
         "//pkg/scheduler/util:go_default_library",
         "//staging/src/k8s.io/api/core/v1:go_default_library",
@@ -31,6 +32,8 @@ go_test(
     embed = [":go_default_library"],
     deps = [
         "//pkg/api/v1/pod:go_default_library",
+        "//pkg/scheduler/framework/v1alpha1:go_default_library",
+        "//pkg/scheduler/internal/cache:go_default_library",
         "//pkg/scheduler/metrics:go_default_library",
         "//pkg/scheduler/util:go_default_library",
         "//staging/src/k8s.io/api/core/v1:go_default_library",

pkg/scheduler/internal/queue/scheduling_queue.go

@@ -38,6 +38,7 @@ import (
 	"k8s.io/client-go/tools/cache"
 	"k8s.io/kubernetes/pkg/scheduler/algorithm/predicates"
 	priorityutil "k8s.io/kubernetes/pkg/scheduler/algorithm/priorities/util"
+	framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1"
 	"k8s.io/kubernetes/pkg/scheduler/metrics"
 	"k8s.io/kubernetes/pkg/scheduler/util"
 )
@@ -87,8 +88,8 @@ type SchedulingQueue interface {
 }
 
 // NewSchedulingQueue initializes a priority queue as a new scheduling queue.
-func NewSchedulingQueue(stop <-chan struct{}) SchedulingQueue {
+func NewSchedulingQueue(stop <-chan struct{}, fwk framework.Framework) SchedulingQueue {
-	return NewPriorityQueue(stop)
+	return NewPriorityQueue(stop, fwk)
 }
 
 // NominatedNodeName returns nominated node name of a Pod.
@@ -140,43 +141,48 @@ type PriorityQueue struct {
 // Making sure that PriorityQueue implements SchedulingQueue.
 var _ = SchedulingQueue(&PriorityQueue{})
 
-// podInfo is minimum cell in the scheduling queue.
+// newPodInfoNoTimestamp builds a PodInfo object without timestamp.
-type podInfo struct {
+func newPodInfoNoTimestamp(pod *v1.Pod) *framework.PodInfo {
-	pod *v1.Pod
+	return &framework.PodInfo{
-	// The time pod added to the scheduling queue.
+		Pod: pod,
-	timestamp time.Time
-}
-
-// newPodInfoNoTimestamp builds a podInfo object without timestamp.
-func newPodInfoNoTimestamp(pod *v1.Pod) *podInfo {
-	return &podInfo{
-		pod: pod,
 	}
 }
 
 // activeQComp is the function used by the activeQ heap algorithm to sort pods.
 // It sorts pods based on their priority. When priorities are equal, it uses
-// podInfo.timestamp.
+// PodInfo.timestamp.
 func activeQComp(podInfo1, podInfo2 interface{}) bool {
-	pInfo1 := podInfo1.(*podInfo)
+	pInfo1 := podInfo1.(*framework.PodInfo)
-	pInfo2 := podInfo2.(*podInfo)
+	pInfo2 := podInfo2.(*framework.PodInfo)
-	prio1 := util.GetPodPriority(pInfo1.pod)
+	prio1 := util.GetPodPriority(pInfo1.Pod)
-	prio2 := util.GetPodPriority(pInfo2.pod)
+	prio2 := util.GetPodPriority(pInfo2.Pod)
-	return (prio1 > prio2) || (prio1 == prio2 && pInfo1.timestamp.Before(pInfo2.timestamp))
+	return (prio1 > prio2) || (prio1 == prio2 && pInfo1.Timestamp.Before(pInfo2.Timestamp))
 }
 
 // NewPriorityQueue creates a PriorityQueue object.
-func NewPriorityQueue(stop <-chan struct{}) *PriorityQueue {
+func NewPriorityQueue(stop <-chan struct{}, fwk framework.Framework) *PriorityQueue {
-	return NewPriorityQueueWithClock(stop, util.RealClock{})
+	return NewPriorityQueueWithClock(stop, util.RealClock{}, fwk)
 }
 
 // NewPriorityQueueWithClock creates a PriorityQueue which uses the passed clock for time.
-func NewPriorityQueueWithClock(stop <-chan struct{}, clock util.Clock) *PriorityQueue {
+func NewPriorityQueueWithClock(stop <-chan struct{}, clock util.Clock, fwk framework.Framework) *PriorityQueue {
+	comp := activeQComp
+	if fwk != nil {
+		if queueSortFunc := fwk.QueueSortFunc(); queueSortFunc != nil {
+			comp = func(podInfo1, podInfo2 interface{}) bool {
+				pInfo1 := podInfo1.(*framework.PodInfo)
+				pInfo2 := podInfo2.(*framework.PodInfo)
+
+				return queueSortFunc(pInfo1, pInfo2)
+			}
+		}
+	}
+
 	pq := &PriorityQueue{
 		clock:            clock,
 		stop:             stop,
 		podBackoff:       NewPodBackoffMap(1*time.Second, 10*time.Second),
-		activeQ:          util.NewHeapWithRecorder(podInfoKeyFunc, activeQComp, metrics.NewActivePodsRecorder()),
+		activeQ:          util.NewHeapWithRecorder(podInfoKeyFunc, comp, metrics.NewActivePodsRecorder()),
 		unschedulableQ:   newUnschedulablePodsMap(metrics.NewUnschedulablePodsRecorder()),
 		nominatedPods:    newNominatedPodMap(),
 		moveRequestCycle: -1,
@@ -334,7 +340,7 @@ func (p *PriorityQueue) flushBackoffQCompleted() {
 		if rawPodInfo == nil {
 			return
 		}
-		pod := rawPodInfo.(*podInfo).pod
+		pod := rawPodInfo.(*framework.PodInfo).Pod
 		boTime, found := p.podBackoff.GetBackoffTime(nsNameForPod(pod))
 		if !found {
 			klog.Errorf("Unable to find backoff value for pod %v in backoffQ", nsNameForPod(pod))
@@ -363,10 +369,10 @@ func (p *PriorityQueue) flushUnschedulableQLeftover() {
 	p.lock.Lock()
 	defer p.lock.Unlock()
 
-	var podsToMove []*podInfo
+	var podsToMove []*framework.PodInfo
 	currentTime := p.clock.Now()
 	for _, pInfo := range p.unschedulableQ.podInfoMap {
-		lastScheduleTime := pInfo.timestamp
+		lastScheduleTime := pInfo.Timestamp
 		if currentTime.Sub(lastScheduleTime) > unschedulableQTimeInterval {
 			podsToMove = append(podsToMove, pInfo)
 		}
@@ -396,9 +402,9 @@ func (p *PriorityQueue) Pop() (*v1.Pod, error) {
 	if err != nil {
 		return nil, err
 	}
-	pInfo := obj.(*podInfo)
+	pInfo := obj.(*framework.PodInfo)
 	p.schedulingCycle++
-	return pInfo.pod, err
+	return pInfo.Pod, err
 }
 
 // isPodUpdated checks if the pod is updated in a way that it may have become
@@ -428,7 +434,7 @@ func (p *PriorityQueue) Update(oldPod, newPod *v1.Pod) error {
 		if oldPodInfo, exists, _ := p.activeQ.Get(oldPodInfo); exists {
 			p.nominatedPods.update(oldPod, newPod)
 			newPodInfo := newPodInfoNoTimestamp(newPod)
-			newPodInfo.timestamp = oldPodInfo.(*podInfo).timestamp
+			newPodInfo.Timestamp = oldPodInfo.(*framework.PodInfo).Timestamp
 			err := p.activeQ.Update(newPodInfo)
 			return err
 		}
@@ -438,7 +444,7 @@ func (p *PriorityQueue) Update(oldPod, newPod *v1.Pod) error {
 			p.nominatedPods.update(oldPod, newPod)
 			p.podBackoffQ.Delete(newPodInfoNoTimestamp(oldPod))
 			newPodInfo := newPodInfoNoTimestamp(newPod)
-			newPodInfo.timestamp = oldPodInfo.(*podInfo).timestamp
+			newPodInfo.Timestamp = oldPodInfo.(*framework.PodInfo).Timestamp
 			err := p.activeQ.Add(newPodInfo)
 			if err == nil {
 				p.cond.Broadcast()
@@ -451,11 +457,11 @@ func (p *PriorityQueue) Update(oldPod, newPod *v1.Pod) error {
 	if usPodInfo := p.unschedulableQ.get(newPod); usPodInfo != nil {
 		p.nominatedPods.update(oldPod, newPod)
 		newPodInfo := newPodInfoNoTimestamp(newPod)
-		newPodInfo.timestamp = usPodInfo.timestamp
+		newPodInfo.Timestamp = usPodInfo.Timestamp
 		if isPodUpdated(oldPod, newPod) {
 			// If the pod is updated reset backoff
 			p.clearPodBackoff(newPod)
-			p.unschedulableQ.delete(usPodInfo.pod)
+			p.unschedulableQ.delete(usPodInfo.Pod)
 			err := p.activeQ.Add(newPodInfo)
 			if err == nil {
 				p.cond.Broadcast()
@@ -514,7 +520,7 @@ func (p *PriorityQueue) MoveAllToActiveQueue() {
 	p.lock.Lock()
 	defer p.lock.Unlock()
 	for _, pInfo := range p.unschedulableQ.podInfoMap {
-		pod := pInfo.pod
+		pod := pInfo.Pod
 		if p.isPodBackingOff(pod) {
 			if err := p.podBackoffQ.Add(pInfo); err != nil {
 				klog.Errorf("Error adding pod %v to the backoff queue: %v", pod.Name, err)
@@ -531,9 +537,9 @@ func (p *PriorityQueue) MoveAllToActiveQueue() {
 }
 
 // NOTE: this function assumes lock has been acquired in caller
-func (p *PriorityQueue) movePodsToActiveQueue(podInfoList []*podInfo) {
+func (p *PriorityQueue) movePodsToActiveQueue(podInfoList []*framework.PodInfo) {
 	for _, pInfo := range podInfoList {
-		pod := pInfo.pod
+		pod := pInfo.Pod
 		if p.isPodBackingOff(pod) {
 			if err := p.podBackoffQ.Add(pInfo); err != nil {
 				klog.Errorf("Error adding pod %v to the backoff queue: %v", pod.Name, err)
@@ -552,10 +558,10 @@ func (p *PriorityQueue) movePodsToActiveQueue(podInfoList []*podInfo) {
 // getUnschedulablePodsWithMatchingAffinityTerm returns unschedulable pods which have
 // any affinity term that matches "pod".
 // NOTE: this function assumes lock has been acquired in caller.
-func (p *PriorityQueue) getUnschedulablePodsWithMatchingAffinityTerm(pod *v1.Pod) []*podInfo {
+func (p *PriorityQueue) getUnschedulablePodsWithMatchingAffinityTerm(pod *v1.Pod) []*framework.PodInfo {
-	var podsToMove []*podInfo
+	var podsToMove []*framework.PodInfo
 	for _, pInfo := range p.unschedulableQ.podInfoMap {
-		up := pInfo.pod
+		up := pInfo.Pod
 		affinity := up.Spec.Affinity
 		if affinity != nil && affinity.PodAffinity != nil {
 			terms := predicates.GetPodAffinityTerms(affinity.PodAffinity)
@@ -591,13 +597,13 @@ func (p *PriorityQueue) PendingPods() []*v1.Pod {
 	defer p.lock.RUnlock()
 	result := []*v1.Pod{}
 	for _, pInfo := range p.activeQ.List() {
-		result = append(result, pInfo.(*podInfo).pod)
+		result = append(result, pInfo.(*framework.PodInfo).Pod)
 	}
 	for _, pInfo := range p.podBackoffQ.List() {
-		result = append(result, pInfo.(*podInfo).pod)
+		result = append(result, pInfo.(*framework.PodInfo).Pod)
 	}
 	for _, pInfo := range p.unschedulableQ.podInfoMap {
-		result = append(result, pInfo.pod)
+		result = append(result, pInfo.Pod)
 	}
 	return result
 }
@@ -628,10 +634,10 @@ func (p *PriorityQueue) UpdateNominatedPodForNode(pod *v1.Pod, nodeName string)
 }
 
 func (p *PriorityQueue) podsCompareBackoffCompleted(podInfo1, podInfo2 interface{}) bool {
-	pInfo1 := podInfo1.(*podInfo)
+	pInfo1 := podInfo1.(*framework.PodInfo)
-	pInfo2 := podInfo2.(*podInfo)
+	pInfo2 := podInfo2.(*framework.PodInfo)
-	bo1, _ := p.podBackoff.GetBackoffTime(nsNameForPod(pInfo1.pod))
+	bo1, _ := p.podBackoff.GetBackoffTime(nsNameForPod(pInfo1.Pod))
-	bo2, _ := p.podBackoff.GetBackoffTime(nsNameForPod(pInfo2.pod))
+	bo2, _ := p.podBackoff.GetBackoffTime(nsNameForPod(pInfo2.Pod))
 	return bo1.Before(bo2)
 }
 
@@ -642,25 +648,25 @@ func (p *PriorityQueue) NumUnschedulablePods() int {
 	return len(p.unschedulableQ.podInfoMap)
 }
 
-// newPodInfo builds a podInfo object.
+// newPodInfo builds a PodInfo object.
-func (p *PriorityQueue) newPodInfo(pod *v1.Pod) *podInfo {
+func (p *PriorityQueue) newPodInfo(pod *v1.Pod) *framework.PodInfo {
 	if p.clock == nil {
-		return &podInfo{
+		return &framework.PodInfo{
-			pod: pod,
+			Pod: pod,
 		}
 	}
 
-	return &podInfo{
+	return &framework.PodInfo{
-		pod:       pod,
+		Pod:       pod,
-		timestamp: p.clock.Now(),
+		Timestamp: p.clock.Now(),
 	}
 }
 
 // UnschedulablePodsMap holds pods that cannot be scheduled. This data structure
 // is used to implement unschedulableQ.
 type UnschedulablePodsMap struct {
-	// podInfoMap is a map key by a pod's full-name and the value is a pointer to the podInfo.
+	// podInfoMap is a map key by a pod's full-name and the value is a pointer to the PodInfo.
-	podInfoMap map[string]*podInfo
+	podInfoMap map[string]*framework.PodInfo
 	keyFunc    func(*v1.Pod) string
 	// metricRecorder updates the counter when elements of an unschedulablePodsMap
 	// get added or removed, and it does nothing if it's nil
@@ -668,8 +674,8 @@ type UnschedulablePodsMap struct {
 }
 
 // Add adds a pod to the unschedulable podInfoMap.
-func (u *UnschedulablePodsMap) addOrUpdate(pInfo *podInfo) {
+func (u *UnschedulablePodsMap) addOrUpdate(pInfo *framework.PodInfo) {
-	podID := u.keyFunc(pInfo.pod)
+	podID := u.keyFunc(pInfo.Pod)
 	if _, exists := u.podInfoMap[podID]; !exists && u.metricRecorder != nil {
 		u.metricRecorder.Inc()
 	}
@@ -685,9 +691,9 @@ func (u *UnschedulablePodsMap) delete(pod *v1.Pod) {
 	delete(u.podInfoMap, podID)
 }
 
-// Get returns the podInfo if a pod with the same key as the key of the given "pod"
+// Get returns the PodInfo if a pod with the same key as the key of the given "pod"
 // is found in the map. It returns nil otherwise.
-func (u *UnschedulablePodsMap) get(pod *v1.Pod) *podInfo {
+func (u *UnschedulablePodsMap) get(pod *v1.Pod) *framework.PodInfo {
 	podKey := u.keyFunc(pod)
 	if pInfo, exists := u.podInfoMap[podKey]; exists {
 		return pInfo
@@ -697,7 +703,7 @@ func (u *UnschedulablePodsMap) get(pod *v1.Pod) *podInfo {
 
 // Clear removes all the entries from the unschedulable podInfoMap.
 func (u *UnschedulablePodsMap) clear() {
-	u.podInfoMap = make(map[string]*podInfo)
+	u.podInfoMap = make(map[string]*framework.PodInfo)
 	if u.metricRecorder != nil {
 		u.metricRecorder.Clear()
 	}
@@ -706,7 +712,7 @@ func (u *UnschedulablePodsMap) clear() {
 // newUnschedulablePodsMap initializes a new object of UnschedulablePodsMap.
 func newUnschedulablePodsMap(metricRecorder metrics.MetricRecorder) *UnschedulablePodsMap {
 	return &UnschedulablePodsMap{
-		podInfoMap:     make(map[string]*podInfo),
+		podInfoMap:     make(map[string]*framework.PodInfo),
 		keyFunc:        util.GetPodFullName,
 		metricRecorder: metricRecorder,
 	}
@@ -801,5 +807,5 @@ func MakeNextPodFunc(queue SchedulingQueue) func() *v1.Pod {
 }
 
 func podInfoKeyFunc(obj interface{}) (string, error) {
-	return cache.MetaNamespaceKeyFunc(obj.(*podInfo).pod)
+	return cache.MetaNamespaceKeyFunc(obj.(*framework.PodInfo).Pod)
 }

pkg/scheduler/internal/queue/scheduling_queue_test.go

@@ -29,6 +29,8 @@ import (
 	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/apimachinery/pkg/util/clock"
 	podutil "k8s.io/kubernetes/pkg/api/v1/pod"
+	framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1"
+	internalcache "k8s.io/kubernetes/pkg/scheduler/internal/cache"
 	"k8s.io/kubernetes/pkg/scheduler/metrics"
 	"k8s.io/kubernetes/pkg/scheduler/util"
 )
@@ -109,13 +111,13 @@ func getUnschedulablePod(p *PriorityQueue, pod *v1.Pod) *v1.Pod {
 	defer p.lock.Unlock()
 	pInfo := p.unschedulableQ.get(pod)
 	if pInfo != nil {
-		return pInfo.pod
+		return pInfo.Pod
 	}
 	return nil
 }
 
 func TestPriorityQueue_Add(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	if err := q.Add(&medPriorityPod); err != nil {
 		t.Errorf("add failed: %v", err)
 	}
@@ -151,8 +153,58 @@ func TestPriorityQueue_Add(t *testing.T) {
 	}
 }
 
+type fakeFramework struct{}
+
+func (*fakeFramework) QueueSortFunc() framework.LessFunc {
+	return func(podInfo1, podInfo2 *framework.PodInfo) bool {
+		prio1 := util.GetPodPriority(podInfo1.Pod)
+		prio2 := util.GetPodPriority(podInfo2.Pod)
+		return prio1 < prio2
+	}
+}
+
+func (*fakeFramework) NodeInfoSnapshot() *internalcache.NodeInfoSnapshot {
+	return nil
+}
+
+func (*fakeFramework) RunPrebindPlugins(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status {
+	return nil
+}
+
+func (*fakeFramework) RunReservePlugins(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status {
+	return nil
+}
+
+func (*fakeFramework) RunUnreservePlugins(pc *framework.PluginContext, pod *v1.Pod, nodeName string) {}
+
+func (*fakeFramework) RunPermitPlugins(pc *framework.PluginContext, pod *v1.Pod, nodeName string) *framework.Status {
+	return nil
+}
+
+func (*fakeFramework) IterateOverWaitingPods(callback func(framework.WaitingPod)) {}
+
+func (*fakeFramework) GetWaitingPod(uid types.UID) framework.WaitingPod {
+	return nil
+}
+
+func TestPriorityQueue_AddWithReversePriorityLessFunc(t *testing.T) {
+	q := NewPriorityQueue(nil, &fakeFramework{})
+	if err := q.Add(&medPriorityPod); err != nil {
+		t.Errorf("add failed: %v", err)
+	}
+	if err := q.Add(&highPriorityPod); err != nil {
+		t.Errorf("add failed: %v", err)
+	}
+	if p, err := q.Pop(); err != nil || p != &medPriorityPod {
+		t.Errorf("Expected: %v after Pop, but got: %v", medPriorityPod.Name, p.Name)
+	}
+	if p, err := q.Pop(); err != nil || p != &highPriorityPod {
+		t.Errorf("Expected: %v after Pop, but got: %v", highPriorityPod.Name, p.Name)
+	}
+}
+
 func TestPriorityQueue_AddIfNotPresent(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	addOrUpdateUnschedulablePod(q, &highPriNominatedPod)
 	q.AddIfNotPresent(&highPriNominatedPod) // Must not add anything.
 	q.AddIfNotPresent(&medPriorityPod)
@@ -184,7 +236,7 @@ func TestPriorityQueue_AddIfNotPresent(t *testing.T) {
 }
 
 func TestPriorityQueue_AddUnschedulableIfNotPresent(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	q.Add(&highPriNominatedPod)
 	q.AddUnschedulableIfNotPresent(&highPriNominatedPod, q.SchedulingCycle()) // Must not add anything.
 	q.AddUnschedulableIfNotPresent(&unschedulablePod, q.SchedulingCycle())
@@ -216,7 +268,7 @@ func TestPriorityQueue_AddUnschedulableIfNotPresent(t *testing.T) {
 // current scheduling cycle will be put back to activeQueue if we were trying
 // to schedule them when we received move request.
 func TestPriorityQueue_AddUnschedulableIfNotPresent_Backoff(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	totalNum := 10
 	expectedPods := make([]v1.Pod, 0, totalNum)
 	for i := 0; i < totalNum; i++ {
@@ -279,7 +331,7 @@ func TestPriorityQueue_AddUnschedulableIfNotPresent_Backoff(t *testing.T) {
 }
 
 func TestPriorityQueue_Pop(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	wg := sync.WaitGroup{}
 	wg.Add(1)
 	go func() {
@@ -296,7 +348,7 @@ func TestPriorityQueue_Pop(t *testing.T) {
 }
 
 func TestPriorityQueue_Update(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	q.Update(nil, &highPriorityPod)
 	if _, exists, _ := q.activeQ.Get(newPodInfoNoTimestamp(&highPriorityPod)); !exists {
 		t.Errorf("Expected %v to be added to activeQ.", highPriorityPod.Name)
@@ -332,7 +384,7 @@ func TestPriorityQueue_Update(t *testing.T) {
 }
 
 func TestPriorityQueue_Delete(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	q.Update(&highPriorityPod, &highPriNominatedPod)
 	q.Add(&unschedulablePod)
 	if err := q.Delete(&highPriNominatedPod); err != nil {
@@ -356,7 +408,7 @@ func TestPriorityQueue_Delete(t *testing.T) {
 }
 
 func TestPriorityQueue_MoveAllToActiveQueue(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	q.Add(&medPriorityPod)
 	addOrUpdateUnschedulablePod(q, &unschedulablePod)
 	addOrUpdateUnschedulablePod(q, &highPriorityPod)
@@ -402,7 +454,7 @@ func TestPriorityQueue_AssignedPodAdded(t *testing.T) {
 		Spec: v1.PodSpec{NodeName: "machine1"},
 	}
 
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	q.Add(&medPriorityPod)
 	// Add a couple of pods to the unschedulableQ.
 	addOrUpdateUnschedulablePod(q, &unschedulablePod)
@@ -423,7 +475,7 @@ func TestPriorityQueue_AssignedPodAdded(t *testing.T) {
 }
 
 func TestPriorityQueue_NominatedPodsForNode(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	q.Add(&medPriorityPod)
 	q.Add(&unschedulablePod)
 	q.Add(&highPriorityPod)
@@ -448,7 +500,7 @@ func TestPriorityQueue_PendingPods(t *testing.T) {
 		return pendingSet
 	}
 
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	q.Add(&medPriorityPod)
 	addOrUpdateUnschedulablePod(q, &unschedulablePod)
 	addOrUpdateUnschedulablePod(q, &highPriorityPod)
@@ -464,7 +516,7 @@ func TestPriorityQueue_PendingPods(t *testing.T) {
 }
 
 func TestPriorityQueue_UpdateNominatedPodForNode(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	if err := q.Add(&medPriorityPod); err != nil {
 		t.Errorf("add failed: %v", err)
 	}
@@ -585,64 +637,64 @@ func TestUnschedulablePodsMap(t *testing.T) {
 	tests := []struct {
 		name                   string
 		podsToAdd              []*v1.Pod
-		expectedMapAfterAdd    map[string]*podInfo
+		expectedMapAfterAdd    map[string]*framework.PodInfo
 		podsToUpdate           []*v1.Pod
-		expectedMapAfterUpdate map[string]*podInfo
+		expectedMapAfterUpdate map[string]*framework.PodInfo
 		podsToDelete           []*v1.Pod
-		expectedMapAfterDelete map[string]*podInfo
+		expectedMapAfterDelete map[string]*framework.PodInfo
 	}{
 		{
 			name:      "create, update, delete subset of pods",
 			podsToAdd: []*v1.Pod{pods[0], pods[1], pods[2], pods[3]},
-			expectedMapAfterAdd: map[string]*podInfo{
+			expectedMapAfterAdd: map[string]*framework.PodInfo{
-				util.GetPodFullName(pods[0]): {pod: pods[0]},
+				util.GetPodFullName(pods[0]): {Pod: pods[0]},
-				util.GetPodFullName(pods[1]): {pod: pods[1]},
+				util.GetPodFullName(pods[1]): {Pod: pods[1]},
-				util.GetPodFullName(pods[2]): {pod: pods[2]},
+				util.GetPodFullName(pods[2]): {Pod: pods[2]},
-				util.GetPodFullName(pods[3]): {pod: pods[3]},
+				util.GetPodFullName(pods[3]): {Pod: pods[3]},
 			},
 			podsToUpdate: []*v1.Pod{updatedPods[0]},
-			expectedMapAfterUpdate: map[string]*podInfo{
+			expectedMapAfterUpdate: map[string]*framework.PodInfo{
-				util.GetPodFullName(pods[0]): {pod: updatedPods[0]},
+				util.GetPodFullName(pods[0]): {Pod: updatedPods[0]},
-				util.GetPodFullName(pods[1]): {pod: pods[1]},
+				util.GetPodFullName(pods[1]): {Pod: pods[1]},
-				util.GetPodFullName(pods[2]): {pod: pods[2]},
+				util.GetPodFullName(pods[2]): {Pod: pods[2]},
-				util.GetPodFullName(pods[3]): {pod: pods[3]},
+				util.GetPodFullName(pods[3]): {Pod: pods[3]},
 			},
 			podsToDelete: []*v1.Pod{pods[0], pods[1]},
-			expectedMapAfterDelete: map[string]*podInfo{
+			expectedMapAfterDelete: map[string]*framework.PodInfo{
-				util.GetPodFullName(pods[2]): {pod: pods[2]},
+				util.GetPodFullName(pods[2]): {Pod: pods[2]},
-				util.GetPodFullName(pods[3]): {pod: pods[3]},
+				util.GetPodFullName(pods[3]): {Pod: pods[3]},
 			},
 		},
 		{
 			name:      "create, update, delete all",
 			podsToAdd: []*v1.Pod{pods[0], pods[3]},
-			expectedMapAfterAdd: map[string]*podInfo{
+			expectedMapAfterAdd: map[string]*framework.PodInfo{
-				util.GetPodFullName(pods[0]): {pod: pods[0]},
+				util.GetPodFullName(pods[0]): {Pod: pods[0]},
-				util.GetPodFullName(pods[3]): {pod: pods[3]},
+				util.GetPodFullName(pods[3]): {Pod: pods[3]},
 			},
 			podsToUpdate: []*v1.Pod{updatedPods[3]},
-			expectedMapAfterUpdate: map[string]*podInfo{
+			expectedMapAfterUpdate: map[string]*framework.PodInfo{
-				util.GetPodFullName(pods[0]): {pod: pods[0]},
+				util.GetPodFullName(pods[0]): {Pod: pods[0]},
-				util.GetPodFullName(pods[3]): {pod: updatedPods[3]},
+				util.GetPodFullName(pods[3]): {Pod: updatedPods[3]},
 			},
 			podsToDelete:           []*v1.Pod{pods[0], pods[3]},
-			expectedMapAfterDelete: map[string]*podInfo{},
+			expectedMapAfterDelete: map[string]*framework.PodInfo{},
 		},
 		{
 			name:      "delete non-existing and existing pods",
 			podsToAdd: []*v1.Pod{pods[1], pods[2]},
-			expectedMapAfterAdd: map[string]*podInfo{
+			expectedMapAfterAdd: map[string]*framework.PodInfo{
-				util.GetPodFullName(pods[1]): {pod: pods[1]},
+				util.GetPodFullName(pods[1]): {Pod: pods[1]},
-				util.GetPodFullName(pods[2]): {pod: pods[2]},
+				util.GetPodFullName(pods[2]): {Pod: pods[2]},
 			},
 			podsToUpdate: []*v1.Pod{updatedPods[1]},
-			expectedMapAfterUpdate: map[string]*podInfo{
+			expectedMapAfterUpdate: map[string]*framework.PodInfo{
-				util.GetPodFullName(pods[1]): {pod: updatedPods[1]},
+				util.GetPodFullName(pods[1]): {Pod: updatedPods[1]},
-				util.GetPodFullName(pods[2]): {pod: pods[2]},
+				util.GetPodFullName(pods[2]): {Pod: pods[2]},
 			},
 			podsToDelete: []*v1.Pod{pods[2], pods[3]},
-			expectedMapAfterDelete: map[string]*podInfo{
+			expectedMapAfterDelete: map[string]*framework.PodInfo{
-				util.GetPodFullName(pods[1]): {pod: updatedPods[1]},
+				util.GetPodFullName(pods[1]): {Pod: updatedPods[1]},
 			},
 		},
 	}
@@ -690,7 +742,7 @@ func TestSchedulingQueue_Close(t *testing.T) {
 	}{
 		{
 			name:        "PriorityQueue close",
-			q:           NewPriorityQueue(nil),
+			q:           NewPriorityQueue(nil, nil),
 			expectedErr: fmt.Errorf(queueClosed),
 		},
 	}
@@ -719,7 +771,7 @@ func TestSchedulingQueue_Close(t *testing.T) {
 // ensures that an unschedulable pod does not block head of the queue when there
 // are frequent events that move pods to the active queue.
 func TestRecentlyTriedPodsGoBack(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	// Add a few pods to priority queue.
 	for i := 0; i < 5; i++ {
 		p := v1.Pod{
@@ -773,7 +825,7 @@ func TestRecentlyTriedPodsGoBack(t *testing.T) {
 // This behavior ensures that an unschedulable pod does not block head of the queue when there
 // are frequent events that move pods to the active queue.
 func TestPodFailedSchedulingMultipleTimesDoesNotBlockNewerPod(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 
 	// Add an unschedulable pod to a priority queue.
 	// This makes a situation that the pod was tried to schedule
@@ -864,7 +916,7 @@ func TestPodFailedSchedulingMultipleTimesDoesNotBlockNewerPod(t *testing.T) {
 // TestHighPriorityBackoff tests that a high priority pod does not block
 // other pods if it is unschedulable
 func TestHighProirotyBackoff(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 
 	midPod := v1.Pod{
 		ObjectMeta: metav1.ObjectMeta{
@@ -927,7 +979,7 @@ func TestHighProirotyBackoff(t *testing.T) {
 // TestHighProirotyFlushUnschedulableQLeftover tests that pods will be moved to
 // activeQ after one minutes if it is in unschedulableQ
 func TestHighProirotyFlushUnschedulableQLeftover(t *testing.T) {
-	q := NewPriorityQueue(nil)
+	q := NewPriorityQueue(nil, nil)
 	midPod := v1.Pod{
 		ObjectMeta: metav1.ObjectMeta{
 			Name:      "test-midpod",
@@ -973,8 +1025,8 @@ func TestHighProirotyFlushUnschedulableQLeftover(t *testing.T) {
 
 	addOrUpdateUnschedulablePod(q, &highPod)
 	addOrUpdateUnschedulablePod(q, &midPod)
-	q.unschedulableQ.podInfoMap[util.GetPodFullName(&highPod)].timestamp = time.Now().Add(-1 * unschedulableQTimeInterval)
+	q.unschedulableQ.podInfoMap[util.GetPodFullName(&highPod)].Timestamp = time.Now().Add(-1 * unschedulableQTimeInterval)
-	q.unschedulableQ.podInfoMap[util.GetPodFullName(&midPod)].timestamp = time.Now().Add(-1 * unschedulableQTimeInterval)
+	q.unschedulableQ.podInfoMap[util.GetPodFullName(&midPod)].Timestamp = time.Now().Add(-1 * unschedulableQTimeInterval)
 
 	if p, err := q.Pop(); err != nil || p != &highPod {
 		t.Errorf("Expected: %v after Pop, but got: %v", highPriorityPod.Name, p.Name)
@@ -984,23 +1036,23 @@ func TestHighProirotyFlushUnschedulableQLeftover(t *testing.T) {
 	}
 }
 
-type operation func(queue *PriorityQueue, pInfo *podInfo)
+type operation func(queue *PriorityQueue, pInfo *framework.PodInfo)
 
 var (
-	addPodActiveQ = func(queue *PriorityQueue, pInfo *podInfo) {
+	addPodActiveQ = func(queue *PriorityQueue, pInfo *framework.PodInfo) {
 		queue.lock.Lock()
 		queue.activeQ.Add(pInfo)
 		queue.lock.Unlock()
 	}
-	updatePodActiveQ = func(queue *PriorityQueue, pInfo *podInfo) {
+	updatePodActiveQ = func(queue *PriorityQueue, pInfo *framework.PodInfo) {
 		queue.lock.Lock()
 		queue.activeQ.Update(pInfo)
 		queue.lock.Unlock()
 	}
-	addPodUnschedulableQ = func(queue *PriorityQueue, pInfo *podInfo) {
+	addPodUnschedulableQ = func(queue *PriorityQueue, pInfo *framework.PodInfo) {
 		queue.lock.Lock()
 		// Update pod condition to unschedulable.
-		podutil.UpdatePodCondition(&pInfo.pod.Status, &v1.PodCondition{
+		podutil.UpdatePodCondition(&pInfo.Pod.Status, &v1.PodCondition{
 			Type:    v1.PodScheduled,
 			Status:  v1.ConditionFalse,
 			Reason:  v1.PodReasonUnschedulable,
@@ -1009,24 +1061,24 @@ var (
 		queue.unschedulableQ.addOrUpdate(pInfo)
 		queue.lock.Unlock()
 	}
-	addPodBackoffQ = func(queue *PriorityQueue, pInfo *podInfo) {
+	addPodBackoffQ = func(queue *PriorityQueue, pInfo *framework.PodInfo) {
 		queue.lock.Lock()
 		queue.podBackoffQ.Add(pInfo)
 		queue.lock.Unlock()
 	}
-	moveAllToActiveQ = func(queue *PriorityQueue, _ *podInfo) {
+	moveAllToActiveQ = func(queue *PriorityQueue, _ *framework.PodInfo) {
 		queue.MoveAllToActiveQueue()
 	}
-	backoffPod = func(queue *PriorityQueue, pInfo *podInfo) {
+	backoffPod = func(queue *PriorityQueue, pInfo *framework.PodInfo) {
-		queue.backoffPod(pInfo.pod)
+		queue.backoffPod(pInfo.Pod)
 	}
-	flushBackoffQ = func(queue *PriorityQueue, _ *podInfo) {
+	flushBackoffQ = func(queue *PriorityQueue, _ *framework.PodInfo) {
 		queue.clock.(*clock.FakeClock).Step(2 * time.Second)
 		queue.flushBackoffQCompleted()
 	}
 )
 
-// TestPodTimestamp tests the operations related to podInfo.
+// TestPodTimestamp tests the operations related to PodInfo.
 func TestPodTimestamp(t *testing.T) {
 	pod1 := &v1.Pod{
 		ObjectMeta: metav1.ObjectMeta{
@@ -1051,20 +1103,20 @@ func TestPodTimestamp(t *testing.T) {
 	}
 
 	var timestamp = time.Now()
-	pInfo1 := &podInfo{
+	pInfo1 := &framework.PodInfo{
-		pod:       pod1,
+		Pod:       pod1,
-		timestamp: timestamp,
+		Timestamp: timestamp,
 	}
-	pInfo2 := &podInfo{
+	pInfo2 := &framework.PodInfo{
-		pod:       pod2,
+		Pod:       pod2,
-		timestamp: timestamp.Add(time.Second),
+		Timestamp: timestamp.Add(time.Second),
 	}
 
 	tests := []struct {
 		name       string
 		operations []operation
-		operands   []*podInfo
+		operands   []*framework.PodInfo
-		expected   []*podInfo
+		expected   []*framework.PodInfo
 	}{
 		{
 			name: "add two pod to activeQ and sort them by the timestamp",
@@ -1072,8 +1124,8 @@ func TestPodTimestamp(t *testing.T) {
 				addPodActiveQ,
 				addPodActiveQ,
 			},
-			operands: []*podInfo{pInfo2, pInfo1},
+			operands: []*framework.PodInfo{pInfo2, pInfo1},
-			expected: []*podInfo{pInfo1, pInfo2},
+			expected: []*framework.PodInfo{pInfo1, pInfo2},
 		},
 		{
 			name: "update two pod to activeQ and sort them by the timestamp",
@@ -1081,8 +1133,8 @@ func TestPodTimestamp(t *testing.T) {
 				updatePodActiveQ,
 				updatePodActiveQ,
 			},
-			operands: []*podInfo{pInfo2, pInfo1},
+			operands: []*framework.PodInfo{pInfo2, pInfo1},
-			expected: []*podInfo{pInfo1, pInfo2},
+			expected: []*framework.PodInfo{pInfo1, pInfo2},
 		},
 		{
 			name: "add two pod to unschedulableQ then move them to activeQ and sort them by the timestamp",
@@ -1091,8 +1143,8 @@ func TestPodTimestamp(t *testing.T) {
 				addPodUnschedulableQ,
 				moveAllToActiveQ,
 			},
-			operands: []*podInfo{pInfo2, pInfo1, nil},
+			operands: []*framework.PodInfo{pInfo2, pInfo1, nil},
-			expected: []*podInfo{pInfo1, pInfo2},
+			expected: []*framework.PodInfo{pInfo1, pInfo2},
 		},
 		{
 			name: "add one pod to BackoffQ and move it to activeQ",
@@ -1103,15 +1155,15 @@ func TestPodTimestamp(t *testing.T) {
 				flushBackoffQ,
 				moveAllToActiveQ,
 			},
-			operands: []*podInfo{pInfo2, pInfo1, pInfo1, nil, nil},
+			operands: []*framework.PodInfo{pInfo2, pInfo1, pInfo1, nil, nil},
-			expected: []*podInfo{pInfo1, pInfo2},
+			expected: []*framework.PodInfo{pInfo1, pInfo2},
 		},
 	}
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			queue := NewPriorityQueueWithClock(nil, clock.NewFakeClock(timestamp))
+			queue := NewPriorityQueueWithClock(nil, clock.NewFakeClock(timestamp), nil)
-			var podInfoList []*podInfo
+			var podInfoList []*framework.PodInfo
 
 			for i, op := range test.operations {
 				op(queue, test.operands[i])
@@ -1121,12 +1173,12 @@ func TestPodTimestamp(t *testing.T) {
 				if pInfo, err := queue.activeQ.Pop(); err != nil {
 					t.Errorf("Error while popping the head of the queue: %v", err)
 				} else {
-					podInfoList = append(podInfoList, pInfo.(*podInfo))
+					podInfoList = append(podInfoList, pInfo.(*framework.PodInfo))
 				}
 			}
 
 			if !reflect.DeepEqual(test.expected, podInfoList) {
-				t.Errorf("Unexpected podInfo list. Expected: %v, got: %v",
+				t.Errorf("Unexpected PodInfo list. Expected: %v, got: %v",
 					test.expected, podInfoList)
 			}
 		})
@@ -1137,24 +1189,24 @@ func TestPodTimestamp(t *testing.T) {
 func TestPendingPodsMetric(t *testing.T) {
 	total := 50
 	timestamp := time.Now()
-	var pInfos = make([]*podInfo, 0, total)
+	var pInfos = make([]*framework.PodInfo, 0, total)
 	for i := 1; i <= total; i++ {
-		p := &podInfo{
+		p := &framework.PodInfo{
-			pod: &v1.Pod{
+			Pod: &v1.Pod{
 				ObjectMeta: metav1.ObjectMeta{
 					Name:      fmt.Sprintf("test-pod-%d", i),
 					Namespace: fmt.Sprintf("ns%d", i),
 					UID:       types.UID(fmt.Sprintf("tp-%d", i)),
 				},
 			},
-			timestamp: timestamp,
+			Timestamp: timestamp,
 		}
 		pInfos = append(pInfos, p)
 	}
 	tests := []struct {
 		name       string
 		operations []operation
-		operands   [][]*podInfo
+		operands   [][]*framework.PodInfo
 		expected   []int64
 	}{
 		{
@@ -1163,7 +1215,7 @@ func TestPendingPodsMetric(t *testing.T) {
 				addPodActiveQ,
 				addPodUnschedulableQ,
 			},
-			operands: [][]*podInfo{
+			operands: [][]*framework.PodInfo{
 				pInfos[:30],
 				pInfos[30:],
 			},
@@ -1177,7 +1229,7 @@ func TestPendingPodsMetric(t *testing.T) {
 				addPodBackoffQ,
 				addPodUnschedulableQ,
 			},
-			operands: [][]*podInfo{
+			operands: [][]*framework.PodInfo{
 				pInfos[:15],
 				pInfos[15:40],
 				pInfos[15:40],
@@ -1191,7 +1243,7 @@ func TestPendingPodsMetric(t *testing.T) {
 				addPodUnschedulableQ,
 				moveAllToActiveQ,
 			},
-			operands: [][]*podInfo{
+			operands: [][]*framework.PodInfo{
 				pInfos[:total],
 				{nil},
 			},
@@ -1204,7 +1256,7 @@ func TestPendingPodsMetric(t *testing.T) {
 				addPodUnschedulableQ,
 				moveAllToActiveQ,
 			},
-			operands: [][]*podInfo{
+			operands: [][]*framework.PodInfo{
 				pInfos[:20],
 				pInfos[:total],
 				{nil},
@@ -1220,7 +1272,7 @@ func TestPendingPodsMetric(t *testing.T) {
 				moveAllToActiveQ,
 				flushBackoffQ,
 			},
-			operands: [][]*podInfo{
+			operands: [][]*framework.PodInfo{
 				pInfos[:20],
 				pInfos[:40],
 				pInfos[40:],
@@ -1240,7 +1292,7 @@ func TestPendingPodsMetric(t *testing.T) {
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
 			resetMetrics()
-			queue := NewPriorityQueueWithClock(nil, clock.NewFakeClock(timestamp))
+			queue := NewPriorityQueueWithClock(nil, clock.NewFakeClock(timestamp), nil)
 			for i, op := range test.operations {
 				for _, pInfo := range test.operands[i] {
 					op(queue, pInfo)

pkg/scheduler/scheduler_test.go

@@ -641,7 +641,7 @@ func setupTestScheduler(queuedPodStore *clientcache.FIFO, scache internalcache.C
 	framework, _ := framework.NewFramework(EmptyPluginRegistry, nil)
 	algo := core.NewGenericScheduler(
 		scache,
-		internalqueue.NewSchedulingQueue(nil),
+		internalqueue.NewSchedulingQueue(nil, nil),
 		predicateMap,
 		predicates.EmptyPredicateMetadataProducer,
 		[]priorities.PriorityConfig{},
@@ -694,7 +694,7 @@ func setupTestSchedulerLongBindingWithRetry(queuedPodStore *clientcache.FIFO, sc
 	framework, _ := framework.NewFramework(EmptyPluginRegistry, nil)
 	algo := core.NewGenericScheduler(
 		scache,
-		internalqueue.NewSchedulingQueue(nil),
+		internalqueue.NewSchedulingQueue(nil, nil),
 		predicateMap,
 		predicates.EmptyPredicateMetadataProducer,
 		[]priorities.PriorityConfig{},