Re: USB making time drift [was Re: dynamic-hz]

From: john stultz
Date: Wed Dec 15 2004 - 21:34:58 EST


On Wed, 2004-12-15 at 16:58, Pavel Machek wrote:
> Hi!
>
> > > How much drift do you see?
> >
> > huge drift, minutes per hour or similar.
>
> Okay, for your amusement, here's the evil
> "do-few-msec-interrupt-latency" program.

Ohhh! Awesome. I love it!

I'm playing with it and I'm seeing occasional jumps forward in time
(about an hour and 10mins, and then back). I'll start seeing if there
isn't anything we can do a quick fix for. Also I'll use this to test the
timeofday rework code I'm doing.

Very nice!

thanks!
-john

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/