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SubjectRe: jiffies rollover, uptime etc.
On Tue, 19 Feb 2002, george anzinger wrote:

> Bill Davidsen wrote:
> >
> > On Mon, 18 Feb 2002, Ben Greear wrote:

> > > Does this problem still exist on 64-bit machines?
> >
> > Absolutely. But not as often ;-)
>
> Actually you will have a VERY hard time getting it to roll over. Issues
> of your life time, not to mention the hardware's life time. 64 bits
> makes a VERY large number and you are counting in 427 day increments.
> Remember we have been counting seconds since 1970 in 32 bits and
> rollover is still, most likely, beyond the capability of any machine
> running today to get to. Now consider counting in 427 day increments
> instead of seconds.

Um, note the odd characters appended to my sentence ";-)" which means
"not serious here, look for joke, sarcasm, over or understatement.

--
bill davidsen <davidsen@tmr.com>
CTO, TMR Associates, Inc
Doing interesting things with little computers since 1979.

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