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关于 P 的状态流转 #57

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questocat opened this issue Nov 27, 2022 · 0 comments
Open

关于 P 的状态流转 #57

questocat opened this issue Nov 27, 2022 · 0 comments

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@questocat
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问题描述

image

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）？

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？
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@questocat