You need to create an instance of the Scheduler class.

您需要创建一个调度类的实例。

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Each scheduler class is linked with one another in a singly linked list, allowing the classes to be iterated (for example, for the purposes of enablement of disablement on a given processor).

每个调度器类都在一对一连接的列表中彼此相连，使类可以迭代(例如，要启用给定处理器的禁用)。

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A scheduling class defines a common set of functions (via sched_class) that define the behavior of the scheduler.

调度类定义一个通用函数集(通过sched_class)，函数集定义调度器的行为。

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