Subject: re: SMP & ntpd interaction?
To: matthew green <mrg@eterna.com.au>
From: Hauke Fath <hauke@Espresso.Rhein-Neckar.DE>
List: port-sparc
Date: 01/17/2003 07:47:49
At 16:43 Uhr +1100 17.1.2003, matthew green wrote:
>well i see broken rusage(3) stats a lot from, eg tcsh... usually
>for longer running processes, or maybe those who fork as well.. i
>wonder if this is related. normally time lossage like this is
>associated with missing clock interrupts, but you're seeing huge
>differences in not very much time - 10 seconds ever 20 minutes
>(1200 seconds) is a lot. umm, that's like nearly one clock interrupt
>(out of 100) a second that is lost. i do notice that all these are
>forward time resets.
FWIW, I, too, have observed that my ss10 which runs ntpd and a timed server
for the local machines tends to lose a few minutes per day when running an
SMP kernel.
hauke
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