Finally, the idle task is started and the scheduler can now take control (after the call to cpu_idle).
最后，启动空任务，现在调度器就可以接管控制权了（在调用 cpu_idle 之后）。
On modern processors, where a HLT (halt) instruction saves significant amounts of power and heat, the idle task almost always consists of a loop which repeatedly executes HLTinstructions.
在现代的处理器中，HLT停机指令节省了大量的电能与执量，空闲任务几乎总是由一个重复执行HLT停机指令的循环组成。
Likewise, finalizers are normally processed as a background task, so their cost is usually amortized across the system's idle time.
同样，终结通常是后台任务，所以它们常常在系统的空闲时间执行。
You can also choose to stop the task if the PC isn't idle to help make sure it doesn't kick in if you are on the PC.
您也可以选择中止任务以确保您的电脑不会在您使用的过程中自动关闭。
Similarly, any map task or reduce task in progress on a failed worker is also reset to idle and becomes eligible for rescheduling.
类似的，任何在故障机器上的map或reduce任务会被标识为空闲（未分配），master重新对这些任务进行分配。
They spend a few minutes in idle one way chatter, complaining about the project or task that they have to do.
他们花数分钟自言自语地抱怨着这个不得不去完成的项目或任务。
The task is executed only when enough idle CPU time is present at the user machine and the task runs in the background with low priority without interrupting the user's regular workload.
此任务将作为低优先级任务在后台运行，不会影响用户的正常工作负荷。如果在多个用户机器上执行多个任务，服务器将会采集并储存最终结果。
The task is executed only when enough idle CPU time is present at the user machine and the task runs in the background with low priority without interrupting the user's regular workload.
此任务将作为低优先级任务在后台运行，不会影响用户的正常工作负荷。如果在多个用户机器上执行多个任务，服务器将会采集并储存最终结果。
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