In VM/370, the CP control block that contains, for each virtual machine, the following types of information: the dispatch and priority level of the virtual machine, the virtual machine's processing unit registers, preferred virtual machine options currently in effect, and information concerning all other significant activities.; 在VM/370操作系统中，控制程序(CP)的控制块，对每个虚(拟)机，它包含下述类 型的信息：虚(拟)机的调度和优先级、虚(拟)机的处理机寄存器、当前有效的首选虚(拟)机 选择项，以及有关所有其它重要活动的信息。