add more scheduler benchmark testcases

test/integration/scheduler_perf/scheduler_bench_test.go

@@ -31,6 +31,10 @@ import (
 	"github.com/golang/glog"
 )
 
+var (
+	defaultNodeStrategy = &testutils.TrivialNodePrepareStrategy{}
+)
+
 // BenchmarkScheduling benchmarks the scheduling rate when the cluster has
 // various quantities of nodes and scheduled pods.
 func BenchmarkScheduling(b *testing.B) {
@@ -45,41 +49,90 @@ func BenchmarkScheduling(b *testing.B) {
 	for _, test := range tests {
 		name := fmt.Sprintf("%vNodes/%vPods", test.nodes, test.existingPods)
 		b.Run(name, func(b *testing.B) {
-			benchmarkScheduling(test.nodes, test.existingPods, test.minPods, setupStrategy, testStrategy, b)
+			benchmarkScheduling(test.nodes, test.existingPods, test.minPods, defaultNodeStrategy, setupStrategy, testStrategy, b)
 		})
 	}
 }
 
-// BenchmarkSchedulingAntiAffinity benchmarks the scheduling rate of pods with
+// BenchmarkSchedulingPodAntiAffinity benchmarks the scheduling rate of pods with
 // PodAntiAffinity rules when the cluster has various quantities of nodes and
 // scheduled pods.
-func BenchmarkSchedulingAntiAffinity(b *testing.B) {
+func BenchmarkSchedulingPodAntiAffinity(b *testing.B) {
 	tests := []struct{ nodes, existingPods, minPods int }{
 		{nodes: 500, existingPods: 250, minPods: 250},
 		{nodes: 500, existingPods: 5000, minPods: 250},
+		{nodes: 1000, existingPods: 1000, minPods: 500},
 	}
 	// The setup strategy creates pods with no affinity rules.
 	setupStrategy := testutils.NewSimpleWithControllerCreatePodStrategy("setup")
-	// The test strategy creates pods with anti-affinity for each other.
-	testBasePod := makeBasePodWithAntiAffinity(
+	testBasePod := makeBasePodWithPodAntiAffinity(
 		map[string]string{"name": "test", "color": "green"},
 		map[string]string{"color": "green"})
+	// The test strategy creates pods with anti-affinity for each other.
+	testStrategy := testutils.NewCustomCreatePodStrategy(testBasePod)
+	for _, test := range tests {
+		name := fmt.Sprintf("%vNodes/%vPods", test.nodes, test.existingPods)
+		b.Run(name, func(b *testing.B) {
+			benchmarkScheduling(test.nodes, test.existingPods, test.minPods, defaultNodeStrategy, setupStrategy, testStrategy, b)
+		})
+	}
+}
+
+// BenchmarkSchedulingPodAffinity benchmarks the scheduling rate of pods with
+// PodAffinity rules when the cluster has various quantities of nodes and
+// scheduled pods.
+func BenchmarkSchedulingPodAffinity(b *testing.B) {
+	tests := []struct{ nodes, existingPods, minPods int }{
+		{nodes: 500, existingPods: 250, minPods: 250},
+		{nodes: 500, existingPods: 5000, minPods: 250},
+		{nodes: 1000, existingPods: 1000, minPods: 500},
+	}
+	// The setup strategy creates pods with no affinity rules.
+	setupStrategy := testutils.NewSimpleWithControllerCreatePodStrategy("setup")
+	testBasePod := makeBasePodWithPodAffinity(
+		map[string]string{"foo": ""},
+		map[string]string{"foo": ""},
+	)
+	// The test strategy creates pods with affinity for each other.
 	testStrategy := testutils.NewCustomCreatePodStrategy(testBasePod)
+	nodeStrategy := testutils.NewLabelNodePrepareStrategy(apis.LabelZoneFailureDomain, "zone1")
 	for _, test := range tests {
 		name := fmt.Sprintf("%vNodes/%vPods", test.nodes, test.existingPods)
 		b.Run(name, func(b *testing.B) {
-			benchmarkScheduling(test.nodes, test.existingPods, test.minPods, setupStrategy, testStrategy, b)
+			benchmarkScheduling(test.nodes, test.existingPods, test.minPods, nodeStrategy, setupStrategy, testStrategy, b)
 		})
 	}
+}
 
+// BenchmarkSchedulingNodeAffinity benchmarks the scheduling rate of pods with
+// NodeAffinity rules when the cluster has various quantities of nodes and
+// scheduled pods.
+func BenchmarkSchedulingNodeAffinity(b *testing.B) {
+	tests := []struct{ nodes, existingPods, minPods int }{
+		{nodes: 500, existingPods: 250, minPods: 250},
+		{nodes: 500, existingPods: 5000, minPods: 250},
+		{nodes: 1000, existingPods: 1000, minPods: 500},
+	}
+	// The setup strategy creates pods with no affinity rules.
+	setupStrategy := testutils.NewSimpleWithControllerCreatePodStrategy("setup")
+	testBasePod := makeBasePodWithNodeAffinity(apis.LabelZoneFailureDomain, []string{"zone1", "zone2"})
+	// The test strategy creates pods with node-affinity for each other.
+	testStrategy := testutils.NewCustomCreatePodStrategy(testBasePod)
+	nodeStrategy := testutils.NewLabelNodePrepareStrategy(apis.LabelZoneFailureDomain, "zone1")
+	for _, test := range tests {
+		name := fmt.Sprintf("%vNodes/%vPods", test.nodes, test.existingPods)
+		b.Run(name, func(b *testing.B) {
+			benchmarkScheduling(test.nodes, test.existingPods, test.minPods, nodeStrategy, setupStrategy, testStrategy, b)
+		})
+	}
 }
 
-// makeBasePodWithAntiAffinity creates a Pod object to be used as a template.
+// makeBasePodWithPodAntiAffinity creates a Pod object to be used as a template.
 // The Pod has a PodAntiAffinity requirement against pods with the given labels.
-func makeBasePodWithAntiAffinity(podLabels, affinityLabels map[string]string) *v1.Pod {
+func makeBasePodWithPodAntiAffinity(podLabels, affinityLabels map[string]string) *v1.Pod {
 	basePod := &v1.Pod{
 		ObjectMeta: metav1.ObjectMeta{
-			GenerateName: "affinity-pod-",
+			GenerateName: "anit-affinity-pod-",
 			Labels:       podLabels,
 		},
 		Spec: testutils.MakePodSpec(),
@@ -99,11 +152,66 @@ func makeBasePodWithAntiAffinity(podLabels, affinityLabels map[string]string) *v
 	return basePod
 }
 
+// makeBasePodWithPodAffinity creates a Pod object to be used as a template.
+// The Pod has a PodAffinity requirement against pods with the given labels.
+func makeBasePodWithPodAffinity(podLabels, affinityZoneLabels map[string]string) *v1.Pod {
+	basePod := &v1.Pod{
+		ObjectMeta: metav1.ObjectMeta{
+			GenerateName: "affinity-pod-",
+			Labels:       podLabels,
+		},
+		Spec: testutils.MakePodSpec(),
+	}
+	basePod.Spec.Affinity = &v1.Affinity{
+		PodAffinity: &v1.PodAffinity{
+			RequiredDuringSchedulingIgnoredDuringExecution: []v1.PodAffinityTerm{
+				{
+					LabelSelector: &metav1.LabelSelector{
+						MatchLabels: affinityZoneLabels,
+					},
+					TopologyKey: apis.LabelZoneFailureDomain,
+				},
+			},
+		},
+	}
+	return basePod
+}
+
+// makeBasePodWithNodeAffinity creates a Pod object to be used as a template.
+// The Pod has a NodeAffinity requirement against nodes with the given expressions.
+func makeBasePodWithNodeAffinity(key string, vals []string) *v1.Pod {
+	basePod := &v1.Pod{
+		ObjectMeta: metav1.ObjectMeta{
+			GenerateName: "node-affinity-",
+		},
+		Spec: testutils.MakePodSpec(),
+	}
+	basePod.Spec.Affinity = &v1.Affinity{
+		NodeAffinity: &v1.NodeAffinity{
+			RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
+				NodeSelectorTerms: []v1.NodeSelectorTerm{
+					{
+						MatchExpressions: []v1.NodeSelectorRequirement{
+							{
+								Key:      key,
+								Operator: v1.NodeSelectorOpIn,
+								Values:   vals,
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+	return basePod
+}
+
 // benchmarkScheduling benchmarks scheduling rate with specific number of nodes
 // and specific number of pods already scheduled.
 // This will schedule numExistingPods pods before the benchmark starts, and at
 // least minPods pods during the benchmark.
 func benchmarkScheduling(numNodes, numExistingPods, minPods int,
+	nodeStrategy testutils.PrepareNodeStrategy,
 	setupPodStrategy, testPodStrategy testutils.TestPodCreateStrategy,
 	b *testing.B) {
 	if b.N < minPods {
@@ -115,7 +223,7 @@ func benchmarkScheduling(numNodes, numExistingPods, minPods int,
 
 	nodePreparer := framework.NewIntegrationTestNodePreparer(
 		c,
-		[]testutils.CountToStrategy{{Count: numNodes, Strategy: &testutils.TrivialNodePrepareStrategy{}}},
+		[]testutils.CountToStrategy{{Count: numNodes, Strategy: nodeStrategy}},
 		"scheduler-perf-",
 	)
 	if err := nodePreparer.PrepareNodes(); err != nil {