func (cgroup *CgroupResource) GetCgroupRoot() string {
	cgroup.lock.RLock()
	defer cgroup.lock.RUnlock()
	return cgroup.cgroupRoot
}
func (cgroup *CgroupResource) GetCgroupRoot() string {
	cgroup.lock.RLock()
	defer cgroup.lock.RUnlock()
	return cgroup.cgroupRoot
}
// GetCgroupRoot returns cgroup root of the resource