On Sun, 17 Sep 2000, Alexander Leidinger wrote:
> On 18 Sep, Bruce Evans wrote:
>
> >> >> dnetc runns with idprio 31, system cvsupped around Sep 16, 11 CEST from
> >> >> a german mirror (it contains the idle fixes: src/sys/kern/kern_idle.c,v
> >> >> 1.4), complete build{world,kernel}.
> >> >>
> >> >> ---snip---
> >> >> last pid: 1666; load averages: 1.10, 1.11, 1.03 up 0+00:51:21 16:54:14
> >> >
> >> > Perhaps it really is a system process :-[. idprio on a pure cpu hog prevents
> >> > other user processes from running like a system process might do:
> >> >
> >> > idprio 31 sh -c "while :; do :; done"
> >> >
> >> > System processes actually hang the entire system until they complete:
> >>
> >> Are you mixing idprio with rtprio or did I not understand what you
> >> explain?
> >
> > You didn't understand :-). Try the example. It only uses idprio.
>
> I have dnetc still running with idprio 31 and it didn't hang the entire
> system (I'm able to write this mail and compiling a port in the
> background while dnetc is running).
dnetc presumably blocks occasionally, giving other processes a chance to
run.
Bruce
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