在这个变化过程中，动物继续选择祖先使用开关排列和调控器，但是他们加入了一个非常好的创意。
In making this transition, animals hung on to the same switch arrangement and the same sets of regulators used by the ancestors, but they added a splendid additional idea.
通过把一个可用的频率 echo 到这些文件中，用户可以修改调控器可用频率的范围。
The user can change the range of frequencies available to the governor by echoing an available frequency into these files.
我将使用以下两个流行的工作负载来比较性能和电量消耗，展示一个调优后的调控器如何节约电能而不会牺牲性能。
I use two popular workloads to compare performance and power consumption and show how a tuned governor can provide power savings without sacrificing performance.
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