From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 95474] Bioshock Infinite and DiRT Showdown perform very poorly on any GPU with GCN >=1.1 Date: Wed, 25 May 2016 12:09:01 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1159281320==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id C8BF96E335 for ; Wed, 25 May 2016 12:09:00 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1159281320== Content-Type: multipart/alternative; boundary="14641781400.EC1EeF7f.24912"; charset="UTF-8" --14641781400.EC1EeF7f.24912 Date: Wed, 25 May 2016 12:09:00 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D95474 --- Comment #12 from Marek Ol=C5=A1=C3=A1k --- (In reply to Jan Ziak from comment #9) > Created attachment 124063 [details] > kcachegrind screenshot: _mesa_FenceSync >=20 > I ran callgrind on Bioshock with mesa-git. >=20 > Callgrind instrumentation was enabled only when the Bioshock benchmark was > rendering frames from the game. The benchmark graphics quality was set to > Medium. >=20 > The screenshot I am sending indicates that Bioshock expects a faster > _mesa_FenceSync implementation. I wouldn't trust callgrind, because it runs on a CPU emulator. The proper way to profile this is to build Mesa with -fno-omit-frame-pointer and use sysprof, which is very easy to use. Sysprof can also save the resul= ts to disk. --=20 You are receiving this mail because: You are the assignee for the bug.= --14641781400.EC1EeF7f.24912 Date: Wed, 25 May 2016 12:09:00 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Commen= t # 12 on bug 95474<= /a> from Marek Ol=C5=A1=C3=A1k 
(In reply to Jan Ziak from comment #9)
> Created attachment 124063 [detail=
s]
> kcachegrind screenshot: _mesa_FenceSync
>=20
> I ran callgrind on Bioshock with mesa-git.
>=20
> Callgrind instrumentation was enabled only when the Bioshock benchmark=
 was
> rendering frames from the game. The benchmark graphics quality was set=
 to
> Medium.
>=20
> The screenshot I am sending indicates that Bioshock expects a faster
> _mesa_FenceSync implementation.

I wouldn't trust callgrind, because it runs on a CPU emulator.

The proper way to profile this is to build Mesa with -fno-omit-frame-pointer
and use sysprof, which is very easy to use. Sysprof can also save the resul=
ts
to disk.

You are receiving this mail because:
  • You are the assignee for the bug.
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