Merge pull request #127236 from macsko/scheduler_perf_test_case_for_hints_memory_leak_scenario

Add scheduler_perf test case for queueing hints memory leak scenario

test/integration/scheduler_perf/config/performance-config.yaml

@@ -1383,3 +1383,39 @@
     params:
       gatedPods: 10000
       measurePods: 20000
+
+# This test case simulates the scheduling when pods selected to schedule have deletionTimestamp set.
+# There was a memory leak related to this path of code fixed in:
+# https://github.com/kubernetes/kubernetes/pull/126962
+# Main goal of this test case is to verify if InFlightEvents is empty after the test.
+- name: SchedulingDeletedPodsWithFinalizers
+  featureGates:
+    SchedulerQueueingHints: true
+  defaultPodTemplatePath: config/templates/light-pod.yaml
+  workloadTemplate:
+  - opcode: createNodes
+    countParam: $initNodes
+  - opcode: createPods
+    # Create pods with finalizers and delete them before they are scheduled.
+    # DeletionTimestamp field should be populated then, 
+    # but a few pods should still be chosen into the scheduling.
+    countParam: $deletingPods
+    podTemplatePath: config/templates/pod-with-finalizer.yaml
+    skipWaitToCompletion: true
+    deletePodsPerSecond: 100
+  - opcode: createPods
+    countParam: $measurePods
+    collectMetrics: true
+  workloads:
+  - name: 10Node_100DeletingPods
+    labels: [integration-test, fast]
+    params:
+      initNodes: 10
+      deletingPods: 100
+      measurePods: 10
+  - name: 1000Node_1000DeletingPods
+    labels: [performance, fast]
+    params:
+      initNodes: 1000
+      deletingPods: 1000
+      measurePods: 1000

test/integration/scheduler_perf/config/templates/pod-with-finalizer.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  generateName: pod-
+  finalizers:
+  - test.k8s.io/finalizer
+spec:
+  containers:
+  - image: registry.k8s.io/pause:3.10
+    name: pause