mockStatsProvider.EXPECT().ImageFsStats(ctx).Return(imageFsStats, imageFsStats, nil).AnyTimes()
	mockStatsProvider.EXPECT().RootFsStats().Return(rootFsStats, nil).AnyTimes()
	mockStatsProvider.EXPECT().RlimitStats().Return(nil, nil).AnyTimes()
	mockStatsProvider.EXPECT().GetCgroupStats("/", true).Return(cgroupStatsMap["/"].cs, cgroupStatsMap["/"].ns, nil).AnyTimes()

	rootStats, networkStats, err := sp.provider.GetCgroupStats("/", updateStats)
	if err != nil {
		return nil, fmt.Errorf("failed to get root cgroup stats: %v", err)
	}
	rootFsStats, err := sp.provider.RootFsStats()
	if err != nil {
		return nil, fmt.Errorf("failed to get rootFs stats: %v", err)
	}
	imageFsStats, containerFsStats, err := sp.provider.ImageFsStats(ctx)
	if err != nil {

	}
	// Rootfs and imagefs doesn't make sense for raw cgroup.
	s := cadvisorInfoToContainerCPUAndMemoryStats(cgroupName, info)
	return s, nil
}

// RootFsStats returns the stats of the node root filesystem.
func (p *Provider) RootFsStats() (*statsapi.FsStats, error) {
	rootFsInfo, err := p.cadvisor.RootFsInfo()
	if err != nil {
		return nil, fmt.Errorf("failed to get rootFs info: %v", err)
	}

	GetCgroupCPUAndMemoryStats(cgroupName string, updateStats bool) (*statsapi.ContainerStats, error)

	// RootFsStats returns the stats of the node root filesystem.
	RootFsStats() (*statsapi.FsStats, error)

	// GetRequestedContainersInfo returns the information of the container with
	// the containerName, and with the specified cAdvisor options.