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请问这个 P 的状态流转图中:_Prunning -> _Pidle 由 retake 方法触发是否准确呢(图中红色线框)?
retake
我猜测指的是:随着 preempt 发生,G 解绑后,进入新的调度,此时发现该 P 没有可运行的 G 了,然后还是调用的 releasep 方法将 P 的状态由 _Prunning 改为 _Pidle 的?
releasep