cpuUsageCache:               make(map[string]*cpuUsageRecord),
		podAndContainerStatsFromCRI: podAndContainerStatsFromCRI,
		clock:                       clock.RealClock{},
	}
}

// ListPodStats returns the stats of all the pod-managed containers.
func (p *criStatsProvider) ListPodStats(ctx context.Context) ([]statsapi.PodStats, error) {
	// Don't update CPU nano core usage.
	return p.listPodStats(ctx, false)
}

	// Requires the CRI implementation supports supplying the required stats.
	PodAndContainerStatsFromCRI featuregate.Feature = "PodAndContainerStatsFromCRI"

	// owner: @ahg-g
	// alpha: v1.21
	// beta: v1.22
	//
	// Enables controlling pod ranking on replicaset scale-down.

	r := compbasemetrics.NewKubeRegistry()
	r.RawMustRegister(metrics.NewPrometheusMachineCollector(prometheusHostAdapter{s.host}, includedMetrics))
	if utilfeature.DefaultFeatureGate.Enabled(features.PodAndContainerStatsFromCRI) {
		r.CustomRegister(collectors.NewCRIMetricsCollector(context.TODO(), s.host.ListPodSandboxMetrics, s.host.ListMetricDescriptors))
	} else {
		cadvisorOpts := cadvisorv2.RequestOptions{