无法预先防范以摇篮方式实施的进程。
如何做到这一点?
认为一个进程正在按摩托车方式执行,占用了许多时间。 由于这一点,其余进程将仍然处于准备状态。
例如,这一过程如何应对时间中断(如果是按摩托车方式执行)? 或者它如何应对高温断裂。
请大家澄清我的疑虑。
首先,您的假设是不正确的:如果设定了组合选择<> CONFIG_PREEMPT_VOLUNTIAL或CONFIG_PREEM
With preemption turned on, tasks won t be preempted if they are holding locks; the kernel developers pay very close attention to how long processes hold locks, and try to reduce the amount of time that locks are held. (In part for preempt, in part because the longer locks are held, the less concurrent the system may be, if several processors are contending for the same lock. If the locks are held for short times, there is less contention and potentially higher throughput.)
此外,油轮开发商试图限制加工时间。 毕竟,花在地板上的时间是isn t在申请中使用的时间,无论申请适用情况如何。
一般来说,中断只能做他们的名字意味着什么,打断当时运行的任何东西,无论它是一个用户空间过程,还是一个在纸上运行的系统。
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