Merge pull request #117382 from HirazawaUi/automated-cherry-pick-of-#…

…117214-upstream-release-1.25

Automated cherry pick of #117214: add log includes pod preemption details

pkg/scheduler/framework/preemption/preemption.go

@@ -343,6 +343,7 @@ func (ev *Evaluator) prepareCandidate(ctx context.Context, c Candidate, pod *v1.
 		// Otherwise we should delete the victim.
 		if waitingPod := fh.GetWaitingPod(victim.UID); waitingPod != nil {
 			waitingPod.Reject(pluginName, "preempted")
+			klog.V(2).InfoS("Preemptor pod rejected a waiting pod", "preemptor", klog.KObj(pod), "waitingPod", klog.KObj(victim), "node", c.Name())
 		} else {
 			if feature.DefaultFeatureGate.Enabled(features.PodDisruptionConditions) {
 				condition := &v1.PodCondition{
@@ -363,7 +364,9 @@ func (ev *Evaluator) prepareCandidate(ctx context.Context, c Candidate, pod *v1.
 				klog.ErrorS(err, "Preempting pod", "pod", klog.KObj(victim), "preemptor", klog.KObj(pod))
 				return framework.AsStatus(err)
 			}
+			klog.V(2).InfoS("Preemptor Pod preempted victim Pod", "preemptor", klog.KObj(pod), "victim", klog.KObj(victim), "node", c.Name())
 		}
+
 		fh.EventRecorder().Eventf(victim, pod, v1.EventTypeNormal, "Preempted", "Preempting", "Preempted by a pod on node %v", c.Name())
 	}
 	metrics.PreemptionVictims.Observe(float64(len(c.Victims().Pods)))