Re: HZ, preferably as small as possible

Roland Dreier (roland@topspin.com)
11 Jul 2002 18:26:52 -0700


>>>>> "george" == george anzinger <george@mvista.com> writes:

george> Well, in truth it has nothing to do with interrupts. It
george> is just that that is the way most systems keep time. The
george> REAL definition of HZ is in its relationship to jiffies
george> and seconds.

george> I.e. jiffies * HZ = seconds, by definition.

I'm sure you know the truth, but this isn't quite right. Just to be
pedantic and make sure the correct definition is out there:

jiffies / HZ = seconds

For example if HZ is 100 then the jiffy counter is incremented 100
times each second.

Best,
Roland
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