Date: Tue, 25 Jan 2005 16:09:14 +0100
From: Ingo Molnar <mingo@elte.hu>
To: "Jack O'Quin" <joq@io.com>
Cc: Paul Davis <paul@linuxaudiosystems.com>, Con Kolivas <kernel@kolivas.org>,
       linux <linux-kernel@vger.kernel.org>, rlrevell@joe-job.com,
       CK Kernel <ck@vds.kolivas.org>, utz <utz@s2y4n2c.de>,
       Andrew Morton <akpm@osdl.org>, alexn@dsv.su.se,
       Rui Nuno Capela <rncbc@rncbc.org>, Chris Wright <chrisw@osdl.org>,
       Arjan van de Ven <arjanv@redhat.com>
Subject: Re: [PATCH]sched: Isochronous class v2 for unprivileged soft rt scheduling
Message-ID: <20050125150914.GA23423@elte.hu>
References: <200501201542.j0KFgOwo019109@localhost.localdomain> <87y8eo9hed.fsf@sulphur.joq.us> <20050120172506.GA20295@elte.hu> <87wtu6fho8.fsf@sulphur.joq.us> <20050122165458.GA14426@elte.hu> <87hdl940ph.fsf@sulphur.joq.us> <20050124085902.GA8059@elte.hu> <87u0p6t7fi.fsf@sulphur.joq.us>
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* Jack O'Quin <joq@io.com> wrote:

> I was just pointing out that saying nice(-20) works as well as
> SCHED_ISO, though true, doesn't mean much since neither of them
> (currently) work well enough to be useful.

ok. While i still think nice--20 can be quite good for some purposes, it
will probably not solve all problems that the audio applications need
solved.

> For good reasons, most audio developers prefer the POSIX realtime
> interfaces.  They are far from perfect, but remain the only workable,
> portable solution available.  That is why I like your rt_cpu_limit
> proposal so much better that this one.

ok - lets forget about nice--20 for now.

	Ingo
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