On Sul, 2003-07-13 at 12:50, Pavel Machek wrote:
> Hi!
>
> > I finally found a couple of hours for this and I also found a machine were
> > I can run 2.5, since luck abandoned myself about this. The small page
> > describe the obvious and contain the trivial patch and the latecy test app :
> >
> > http://www.xmailserver.org/linux-patches/softrr.html
>
> What happens if evil user forks 60 processes, marks them all
> SCHED_SOFTRR, and tries to starve everyone else?
With the current scheduler you lose. Rik did some playing with a fair
share scheduler some time ago. That actually works very well for a lot
of these sorts of things. You can nice processes up (but only by
penalising your own processes) and conceptually you'd be able to soft
real time on a per user basis this way.
Alan
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This archive was generated by hypermail 2b29 : Tue Jul 15 2003 - 22:00:47 EST