From: Andres Freund <andres@anarazel.de>
To: Jerome Glisse <j.glisse@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
David Airlie <airlied@linux.ie>,
Jerome Glisse <jglisse@redhat.com>,
Alex Deucher <alexander.deucher@amd.com>
Subject: Re: Excessive kernel time inside ttm when scrolling on a r700 in a multimonitor setup
Date: Mon, 17 Sep 2012 11:13:44 +0200 [thread overview]
Message-ID: <201209171113.45276.andres@anarazel.de> (raw)
In-Reply-To: <CAH3drwZ-Wc=PViwuj=PgcOrsZBfvozdZRK=Q2Q-uJFktSbGQcw@mail.gmail.com>
On Monday, September 17, 2012 10:47:10 AM Jerome Glisse wrote:
> On Sun, Sep 16, 2012 at 7:18 PM, Andres Freund <andres@anarazel.de> wrote:
> > Hi everyone,
> >
> > In several gui programs, most notably and reproducably, I can trivially
> > make Xorg spend the whole cpu time in the kernel. It might be an Xorg
> > bug, but from my untrained gut feeling it doesn't look that way.
> >
> > Anything more you need than whats already in the email?
>
> > Here are some details:
> Is it an AGP card ? It looks like it's the PAT update that kills perf
> for you, not much we can do, the pool allocator is probably starve.
If you mean AGP as in the old strange graphics bus, no. Its a pcie card.
If that helps you, more detailedly the card is a: SAPPHIRE Radeon HD6870
Unfortunately the manufacturers page is remarkably devoid of details...:
http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1037&lid=1&pid=1270&leg=0
Greetings,
Andres
next prev parent reply other threads:[~2012-09-17 9:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-16 23:18 Excessive kernel time inside ttm when scrolling on a r700 in a multimonitor setup Andres Freund
2012-09-17 8:47 ` Jerome Glisse
2012-09-17 9:13 ` Andres Freund [this message]
2012-09-17 9:59 ` Jerome Glisse
[not found] ` <201209171315.14458.andres@anarazel.de>
2015-06-15 14:41 ` Andres Freund
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