Messages in this thread | | | Date | Mon, 25 Sep 2006 19:38:36 +0200 (CEST) | From | Roman Zippel <> | Subject | Re: 2.6.19 -mm merge plans (NTP changes) |
| |
Hi,
On Mon, 25 Sep 2006, Ray Lee wrote:
> On 9/25/06, john stultz <johnstul@us.ibm.com> wrote: > > I was able to run tests for two days each w/ and w/o the patch I had > > concerns about. And indeed, it seems if the drift file is reset, the > > initial convergence is much slower (and this is really what worried me). > > However once it converges it seems to keep sync as well as the current > > code. > > So slower convergence isn't a regression?
Not really, it makes the clock more stable and less suspectible to network delays. I think a big part of the problem is that our calibration code could use some improvements, I've seen some widely different initial drift values from one reboot to the next, which is the main reason ntp has to do that much initial work in the first place.
bye, Roman - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |