linux-kernel - Re: report a bug about sched

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Message-ID: <20090724154036.GG27755@shareable.org>
Date:	Fri, 24 Jul 2009 16:40:36 +0100
From:	Jamie Lokier <jamie@...reable.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	sen wang <wangsen.linux@...il.com>, mingo@...e.hu,
	akpm@...ux-foundation.org, kernel@...ivas.org, npiggin@...e.de,
	arjan@...radead.org, linux-arm-kernel@...ts.arm.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: report a bug about sched_rt

Peter Zijlstra wrote:
> If you're using the bandwidth throttle to control your RT tasks so as
> not to starve your SCHED_OTHER tasks, then I will call your system ill
> designed.

What mechanism should be used to avoid starving SCHED_OTHER tasks, in
the event there are unforeseen bugs or unpredictable calculation times
in an RT task?

Thanks,
-- Jamie
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