Merge pull request #117384 from HirazawaUi/automated-cherry-pick-of-#…

…117214-upstream-release-1.24

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

pkg/scheduler/framework/preemption/preemption.go

@@ -340,9 +340,13 @@ func (ev *Evaluator) prepareCandidate(c Candidate, pod *v1.Pod, pluginName strin
 		// Otherwise we should delete the victim.
 		if waitingPod := fh.GetWaitingPod(victim.UID); waitingPod != nil {
 			waitingPod.Reject(pluginName, "preempted")
-		} else if err := util.DeletePod(cs, victim); err != nil {
-			klog.ErrorS(err, "Preempting pod", "pod", klog.KObj(victim), "preemptor", klog.KObj(pod))
-			return framework.AsStatus(err)
+			klog.V(2).InfoS("Preemptor pod rejected a waiting pod", "preemptor", klog.KObj(pod), "waitingPod", klog.KObj(victim), "node", c.Name())
+		} else {
+			if err := util.DeletePod(cs, victim); err != nil {
+				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())
 	}