In article <[EMAIL PROTECTED]>, Poul-Henning Kamp <[EMAIL PROTECTED]> wrote: > In message <[EMAIL PROTECTED]>, John Polstra writes: > >In article <[EMAIL PROTECTED]>, > >John Polstra <[EMAIL PROTECTED]> wrote: > > > >Another interesting thing is that the jumps are always 7.7x seconds > >back -- usually 7.79 seconds. This is even true with more data points > >from two different machines. > > Yes, I noticed, but didn't dare draw conclusions based on two data points.
It's pretty consistent -- always 7.7somthing. > This points to an arithmetic overflow (ie: point 3 in my previous email) Yes, I think you're onto something now. It's a 550 MHz. machine, so the TSC increments every 1.82 nsec. And 1.82 nsec * 2^32 is 7.81 seconds. :-) I'll try the things you suggested in your other mail. John -- John Polstra John D. Polstra & Co., Inc. Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
