code: func (p *StatsProvider) GetCgroupStats(cgroupName string, updateStats bool) (*statsapi.ContainerStats, *statsapi.NetworkStats, error) {
  	info, err := getCgroupInfo(p.cadvisor, cgroupName, updateStats)
  	if err != nil {
  		return nil, nil, fmt.Errorf("failed to get cgroup stats for %q: %v", cgroupName, err)
  	}
  	// Rootfs and imagefs doesn't make sense for raw cgroup.
  	s := cadvisorInfoToContainerStats(cgroupName, info, nil, nil)
  	n := cadvisorInfoToNetworkStats(cgroupName, info)
  	return s, n, nil
  }
docs: // GetCgroupStats returns the stats of the cgroup with the cgroupName. Note that
  // this function doesn't generate filesystem stats.