同义词： blink of an eye flash heartbeat instant split second trice twinkling wink New York minute
以上来源于: WordNet
PHRASE If you say that you will do something in a jiffy, you mean that you will do it very quickly or very soon. 瞬间 [非正式] [PHR after v]
Although timers operate on the granularity of jiffies, hrtimers operate at the granularity of nanoseconds.
尽管计时器在jiffies粒度上运行，hrtimers在纳秒粒度上运行。
The first thing you'll notice is that time is represented not in jiffies but in a special data type called ktime.
应该注意的第一点是：时间不是用jiffies表示的，而是以一种名为ktime的特殊数据类型表示。
This function calculates the difference between two jiffies values, and then provides the result to the user through a user-space pointer.
这个函数会计算这两个jiffies值之间的差值，然后通过一个用户空间指针将结果提供给用户。
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