code: func (sc *stateCheckpoint) GetCPUSet(containerID string) (cpuset.CPUSet, bool) {
  	sc.mux.RLock()
  	defer sc.mux.RUnlock()
  
  	res, ok := sc.cache.GetCPUSet(containerID)
  	return res, ok
  }
docs: // GetCPUSet returns current CPU set