diff --git a/cluster-autoscaler/cloudprovider/clusterapi/clusterapi_controller_test.go b/cluster-autoscaler/cloudprovider/clusterapi/clusterapi_controller_test.go
index fd91d7a0ada..030768829fe 100644
--- a/cluster-autoscaler/cloudprovider/clusterapi/clusterapi_controller_test.go
+++ b/cluster-autoscaler/cloudprovider/clusterapi/clusterapi_controller_test.go
@@ -76,7 +76,7 @@ type testSpec struct {
 const customCAPIGroup = "custom.x-k8s.io"
 const fifteenSecondDuration = time.Second * 15
 
-func mustCreateTestController(t *testing.T, testConfigs ...*testConfig) (*machineController, testControllerShutdownFunc) {
+func mustCreateTestController(t testing.TB, testConfigs ...*testConfig) (*machineController, testControllerShutdownFunc) {
 	t.Helper()
 
 	nodeObjects := make([]runtime.Object, 0)
@@ -492,7 +492,7 @@ func makeLinkedNodeAndMachine(i int, namespace, clusterName string, owner metav1
 	return node, machine
 }
 
-func addTestConfigs(t *testing.T, controller *machineController, testConfigs ...*testConfig) error {
+func addTestConfigs(t testing.TB, controller *machineController, testConfigs ...*testConfig) error {
 	t.Helper()
 
 	for _, config := range testConfigs {
diff --git a/cluster-autoscaler/cloudprovider/clusterapi/clusterapi_provider_test.go b/cluster-autoscaler/cloudprovider/clusterapi/clusterapi_provider_test.go
index 5c6fbb44bbb..79fa6534a56 100644
--- a/cluster-autoscaler/cloudprovider/clusterapi/clusterapi_provider_test.go
+++ b/cluster-autoscaler/cloudprovider/clusterapi/clusterapi_provider_test.go
@@ -101,3 +101,30 @@ func TestProviderConstructorProperties(t *testing.T) {
 		t.Fatalf("expected 0 GPU types, got %d", got)
 	}
 }
+func BenchmarkNodeGroups(b *testing.B) {
+	resourceLimits := cloudprovider.ResourceLimiter{}
+	annotations := map[string]string{
+		nodeGroupMinSizeAnnotationKey: "1",
+		nodeGroupMaxSizeAnnotationKey: "2",
+	}
+
+	controller, stop := mustCreateTestController(b)
+	defer stop()
+	// Test #2: add 5 machineset-based nodegroups
+	machineSetConfigs := createMachineSetTestConfigs("namespace", "", RandomString(6), 5, 1, annotations, nil)
+	if err := addTestConfigs(b, controller, machineSetConfigs...); err != nil {
+		b.Fatalf("unexpected error: %v", err)
+	}
+
+	provider := newProvider(cloudprovider.ClusterAPIProviderName, &resourceLimits, controller)
+	if actual := provider.Name(); actual != cloudprovider.ClusterAPIProviderName {
+		b.Errorf("expected %q, got %q", cloudprovider.ClusterAPIProviderName, actual)
+	}
+
+	b.ResetTimer()
+	b.Run("NodeGroups", func(b *testing.B) {
+		for i := 0; i < b.N; i++ {
+			provider.NodeGroups()
+		}
+	})
+}