Messages in this thread | | | Date | Tue, 16 Apr 2002 22:34:01 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: Why HZ on i386 is 100 ? |
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On Wed, 17 Apr 2002, Mark Mielke wrote: > On Tue, Apr 16, 2002 at 08:57:09PM -0400, Robert Love wrote: > > > > Because that is what Alpha does? It seems to me there is no reason for > > a power-of-two timer value, and using 1024 vs 1000 just makes the math > > and rounding more difficult. > > Only from the perspective of time displayed to a user... :-)
No, it also makes it much easier to convert to/from the standard UNIX time formats (ie "struct timeval" and "struct timespec") without any surprises, because a jiffy is exactly representable in both if you have a HZ value of 100 or 100, but not if your HZ is 1024.
Linus
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