From: Con Kolivas <kernel@kolivas.org>
To: mru@users.sourceforge.net (Måns Rullgård), linux-kernel@vger.kernel.org
Subject: Re: [PATCH] O17int
Date: Wed, 20 Aug 2003 11:23:29 +1000 [thread overview]
Message-ID: <200308201123.29206.kernel@kolivas.org> (raw)
In-Reply-To: <yw1xn0e5lhz9.fsf@users.sourceforge.net>
On Wed, 20 Aug 2003 02:39, Måns Rullgård wrote:
> Con Kolivas <kernel@kolivas.org> writes:
> > Food for the starving masses.
> >
> > This patch prevents any single task from being able to starve the
> > runqueue that it's on. This minimises the impact a poorly behaved
> > application or a malicious one has on the rest of the system. If an
>
> I have to disagree. Open a file of a few hundred lines in XEmacs and
> do a regexp search for "^[> ]*-*\n\\([> ]*.*\n\\)*[> ]*foo". The
> system will more or less freeze. It's a very nasty regexp, and it's
> an error to try to use it, but it still shouldn't freeze the system.
Reasonably sure this is a variation on the starvation which O17 won't address.
Please top/vmstat/profile this and I'll look into it. There is potential for
starvation without using up full timeslices and this may be it.
Con
next prev parent reply other threads:[~2003-08-20 1:16 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-19 15:01 [PATCH] O17int Con Kolivas
2003-08-19 16:39 ` Måns Rullgård
2003-08-20 1:23 ` Con Kolivas [this message]
2003-08-20 9:19 ` Måns Rullgård
2003-08-19 18:58 ` Måns Rullgård
2003-08-20 1:19 ` Con Kolivas
2003-08-20 8:53 ` Måns Rullgård
2003-08-20 16:27 ` Wiktor Wodecki
2003-08-20 16:42 ` Nick Piggin
2003-08-20 21:23 ` Con Kolivas
2003-08-21 5:26 ` Con Kolivas
2003-08-21 7:53 ` Mike Galbraith
2003-08-21 11:46 ` Con Kolivas
2003-08-21 15:14 ` Mike Galbraith
2003-08-21 22:18 ` Wes Janzen
2003-08-22 0:09 ` Con Kolivas
2003-08-22 21:17 ` Wes Janzen
2003-08-22 0:42 ` Felipe Alfaro Solana
2003-08-22 5:34 ` Mike Galbraith
2003-08-22 20:48 ` Wes Janzen
2003-08-21 23:59 ` Con Kolivas
2003-08-22 5:11 ` Mike Galbraith
2003-08-21 5:30 ` Apurva Mehta
-- strict thread matches above, loose matches on Subject: below --
2003-08-20 4:55 Voluspa
2003-08-20 8:00 ` Mike Galbraith
2003-08-20 11:21 ` Con Kolivas
2003-08-20 22:51 Voluspa
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