Date: Tue, 11 Jan 2005 12:05:49 -0800
From: Matt Mackall <mpm@selenic.com>
To: "Jack O'Quin" <joq@io.com>
Cc: Chris Wright <chrisw@osdl.org>, Christoph Hellwig <hch@infradead.org>,
       Andrew Morton <akpm@osdl.org>, Lee Revell <rlrevell@joe-job.com>,
       paul@linuxaudiosystems.com, arjanv@redhat.com, mingo@elte.hu,
       alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [request for inclusion] Realtime LSM
Message-ID: <20050111200549.GW2940@waste.org>
References: <200501071620.j07GKrIa018718@localhost.localdomain> <1105132348.20278.88.camel@krustophenia.net> <20050107134941.11cecbfc.akpm@osdl.org> <20050107221059.GA17392@infradead.org> <20050107142920.K2357@build.pdx.osdl.net> <87mzvkxxck.fsf@sulphur.joq.us> <20050110212019.GG2995@waste.org> <87d5wc9gx1.fsf@sulphur.joq.us> <20050111195010.GU2940@waste.org> <871xcr3fjc.fsf@sulphur.joq.us>
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On Tue, Jan 11, 2005 at 01:57:11PM -0600, Jack O'Quin wrote:
> Matt Mackall <mpm@selenic.com> writes:
> 
> > On Tue, Jan 11, 2005 at 08:30:50AM -0600, Jack O'Quin wrote:
> >> "Near-RT" is about the most useless concept I've heard of in a long
> >> time.  It sounds like the answer to a question nobody asked.  ;-)
> >
> > To my way of thinking, it's a pretty good description of Ingo's work
> > or anything you're ever going to see on a PC. If you think you're
> > going to get real hard RT performance on your off-the-shelf x86 box
> > running a conventional OS, you are fooling yourself.
> >
> > Thankfully a buffer underrun is no more fatal for pro audio than a
> > broken guitar string. CDs skip, DATs glitch, XLR cables flake out,
> > circuit breakers trip, amps clip, Powerbooks crash, and the show goes
> > on. I've done more than enough stage tech to know it's a huge pain in
> > the ass, but let's stop pretending we require absolute perfection,
> > please.
> 
> In _practice_, Ingo's patches are considerably better than what you
> seem to consider "good enough for mere audio work".

Eh? I never implied mainstream was good enough.

What I said was that high priority SCHED_OTHER could be made good
enough and that that would be preferable to SCHED_FIFO in many cases.

Anyway, *plonk*.

-- 
Mathematics is the supreme nostalgia of our time.
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