podEtcHostsPathFunc: tt.podEtcHostsPathFunc,
			}
			got, err := h.getPodEtcHostsStats(tt.podUID, tt.rootFsInfo)
			if (err != nil) != tt.wantErr {
				t.Errorf("getPodEtcHostsStats() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("getPodEtcHostsStats() got = %v, want %v", got, tt.want)
			}
		})
	}

	getPodContainerLogStats(podNamespace, podName string, podUID types.UID, containerName string, rootFsInfo *cadvisorapiv2.FsInfo) (*statsapi.FsStats, error)
	// getPodEtcHostsStats gets stats associated with pod etc-hosts usage
	getPodEtcHostsStats(podUID types.UID, rootFsInfo *cadvisorapiv2.FsInfo) (*statsapi.FsStats, error)
}

type hostStatsProvider struct {
	// osInterface is the interface for syscalls.

	metricsProvider := NewFakeMetricsDu(path, f.fakeStats[path])
	return fakeMetricsProvidersToStats([]volume.MetricsProvider{metricsProvider}, rootFsInfo)
}

func (f *fakeHostStatsProvider) getPodEtcHostsStats(podUID types.UID, rootFsInfo *cadvisorapiv2.FsInfo) (*statsapi.FsStats, error) {
	return nil, fmt.Errorf("not implemented")
}

		// We should continue generating other stats in that case.
		// calcEphemeralStorage tolerants logStats == nil.
	}
	etcHostsStats, err := hostStatsProvider.getPodEtcHostsStats(podUID, rootFsInfo)
	if err != nil {
		klog.V(6).ErrorS(err, "Unable to fetch pod etc hosts stats", "pod", klog.KRef(podNs, podName))
	}