From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.xen@gmail.com>
Subject: Re: Xen 4.2.0-rc4 issues with DVB tuner
Date: Tue, 18 Sep 2012 09:57:11 +0100
Message-ID: <CC7DF5F7.3F018%keir.xen@gmail.com>
References: <CAAnFQG9PuzRLSsCS8m_0VUeV+ZaCwK3zsbinxtuFBfdSihJknw@mail.gmail.com>
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To: Javier Marcet <jmarcet@gmail.com>, Konrad Rzeszutek Wilk <konrad@kernel.org>
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On 18/09/2012 09:41, "Javier Marcet" <jmarcet@gmail.com> wrote:

> What I don=B4t understand is how graphics pass through even works
and a tuner
> card has problems due to the introduced latencies in the
IRQs.

Do you have
> any more info about this?

In this respect sound is harder than graphics. Try pinning your dom0 to a
CPU core, and set affinities on other domains so that dom0 does not compete
for the core with any other domains.

 -- Keir