Re: Why HZ on i386 is 100 ?

Andreas Dilger
2002-04-16T22:23:39Z

On Apr 16, 2002 23:34 +0200, bert hubert wrote:
> On Tue, Apr 16, 2002 at 08:12:22AM +0000, Olaf Fraczyk wrote:
> > Hi,
> > I would like to know why exactly this value was choosen.
> > Is it safe to change it to eg. 1024? Will it break anything?
> > What else should I change to get it working:
> > CLOCKS_PER_SEC?
> > Please CC me.
>
> Your uptime wraps to zero after 49 days. I think 'top' gets confused.

Trivially fixed with the existing 64-bit jiffies patches. As it is,
your uptime wraps to zero after 472 days or something like that if you
don't have the 64-bit jiffies patch, which is totally in the realm of
possibility for Linux servers.

Cheers, Andreas
--
Andreas Dilger