func (cgroup *CgroupResource) GetCreatedAt() time.Time {
	cgroup.lock.RLock()
	defer cgroup.lock.RUnlock()

	return cgroup.createdAt
}
func (cgroup *CgroupResource) GetCreatedAt() time.Time {
	cgroup.lock.RLock()
	defer cgroup.lock.RUnlock()

	return cgroup.createdAt
}
// GetCreatedAt sets the timestamp for resource's creation time