Merge pull request #122001 from olderTaoist/scheduler-metric

report scheduling_algorithm_duration_seconds metric when pods is unschedulable

pkg/scheduler/schedule_one.go

@@ -148,6 +148,9 @@ func (sched *Scheduler) schedulingCycle(
 	pod := podInfo.Pod
 	scheduleResult, err := sched.SchedulePod(ctx, fwk, state, pod)
 	if err != nil {
+		defer func() {
+			metrics.SchedulingAlgorithmLatency.Observe(metrics.SinceInSeconds(start))
+		}()
 		if err == ErrNoNodesAvailable {
 			status := framework.NewStatus(framework.UnschedulableAndUnresolvable).WithError(err)
 			return ScheduleResult{nominatingInfo: clearNominatedNode}, podInfo, status