From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 40DC61385B3 for ; Sat, 22 Aug 2015 10:08:54 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id AAB7E1428F; Sat, 22 Aug 2015 10:08:44 +0000 (UTC) Received: from mail-wi0-f196.google.com (mail-wi0-f196.google.com [209.85.212.196]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 5D1EF14225 for ; Sat, 22 Aug 2015 10:08:33 +0000 (UTC) Received: by wius16 with SMTP id s16so2020254wiu.0 for ; Sat, 22 Aug 2015 03:08:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:reply-to:to:subject:date:user-agent:references:in-reply-to :mime-version:content-type:content-transfer-encoding:message-id; bh=mrTEzuAde6iMCoH8UHPCchC6UJNiwyFfjJeKVcgO2lE=; b=s5NrnG2tDPVgg3ZXAZgsdwwf6FEaxBO008TreF6T9eHFoCnEuYiLJbomyY1um6fieT UuQbK4fE0Y2hHK2PpDsQf8SW+jXGZfd9jMRfs5Z8b0rWU3spb975C0b+B7QDEtVsWdnE ch7w/V8itQlFYgUDwEWRjr5DR4ItF2kKGupt+uFCkUdntCwk1l7Pj3iPx+FOywFUAs7E i2zleRC4RXQk7EoBRfvtWSFAaeo8h3y59KdJvzafFTa0uZbTzZYxhoChwW5YWHI7p6S5 UjmIHWG1ioSIH3Wqvhg7MmEtAL9gpQF12iJFH4Fgvk+u91QCzuroHX0c8kQvxt+IUinF QJ8w== X-Received: by 10.194.203.138 with SMTP id kq10mr24347489wjc.124.1440238112224; Sat, 22 Aug 2015 03:08:32 -0700 (PDT) Received: from dell_xps.localnet (230.3.169.217.in-addr.arpa. [217.169.3.230]) by smtp.gmail.com with ESMTPSA id pg5sm13724004wjb.21.2015.08.22.03.08.30 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 22 Aug 2015 03:08:31 -0700 (PDT) From: Mick To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Anyone using xfce4 with compositing turned off? Date: Sat, 22 Aug 2015 11:08:14 +0100 User-Agent: KMail/1.13.7 (Linux/4.0.5-gentoo; KDE/4.14.8; x86_64; ; ) References: <20150819191820.6aa6d015@a6> <20150822040841.1ffe9595@hal9000.localdomain> In-Reply-To: <20150822040841.1ffe9595@hal9000.localdomain> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart62622772.iATd04tbEl"; protocol="application/pgp-signature"; micalg=pgp-sha256 Content-Transfer-Encoding: 7bit Message-Id: <201508221108.28435.michaelkintzios@gmail.com> X-Archives-Salt: 05b5e27a-c1c5-495d-a27f-38f856c6039b X-Archives-Hash: df34f7a4fe6d6d92822be034959a26dc --nextPart62622772.iATd04tbEl Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable On Saturday 22 Aug 2015 03:08:41 wabenbau@gmail.com wrote: > walt wrote: > > I'm seeing horrible performance from the xfce window manager (xfwm4) > > on my main, everyday machine, but not on an older backup machine or > > on any of the linux virtual machines I run on virtualbox. > >=20 > > The symptoms: moving a window with the mouse is so slow as to be > > painful, and the CPU usage (on one of four CPUs) jumps to 100% almost > > immediately (xfwm4 is the culprit, see below). >=20 > I'm using XFCE as DE and xfwm4 as WM. Since I bought a new GPU (Radeon > R7 250), I don't use compositing any more because it causes tearing > when I watch videos in fullscreen with 3840x2160. With this GPU I also > had some random freezes when compositing was enabled. >=20 > Beside this, performance is very good, regardless compositing is enabled > or disabled. Scrolling text or moving windows around is a bit faster and > smoother with compositing enabled, especially when other windows are in > the foreground. >=20 > With my old GPU (Radeon HD4550) I always had compositing enabled. > Everything was smoother and I saw absolutely no glitches, but performance > was also good with compositing disabled, just not quite as smooth as with > compositing enabled. >=20 > > If I open an xterm and run (for example) "/usr/bin/marco --replace", > > this sluggish behavior returns to normal immediately. > >=20 > > After wasting hours on google I finally noticed that I had compiled > > x11-wm/xfwm4 with the xcomposite useflag disabled, so I enabled it and > > re-emerged xfwm4. > >=20 > > Now I can get decent performance from xfwm4, but only if first I turn > > on compositing by running xfwm4-tweaks-settings. (No, not by running > > the puny and feeble xfwm4-settings app: I need to invoke a "tweak" > > to make xfce4 an acceptable Desktop Environment on my main desktop > > machine. >=20 > As long as I use XFCE (many years) xfwm4-tweaks-settings is the program > to toggle compositing. It's just a name, what is the problem? :-) > Or do you mean, that you must enable compositing every time you start > XFCE? >=20 > > > > I remember going through this same frustration with gnome3, which was > > (and is) unusable without installing the gnome-tweak-tool package and > > using it to customize settings that I still don't understand. > >=20 > > (That's why I finally gave up on gnome3, and I may yet give up on > > xfce4 and go back to mate.) > >=20 > > Note that I'm not turning off yet, but I should > > mention that this machine is ~amd64 with ati-drivers-15.7 and vanilla > > kernel 3.14.51. (Same problem with gentoo-sources-3.18.19, BTW.) >=20 > I'm using stable xf86-video-ati and stable hardened-sources. I never used > ati-drivers because I don't like to have proprietary software on my > gentoo box. For me xf86-video-ati works well and has a sufficient 2D and > 3D performance. >=20 > -- > Regards > wabe Hmm ... interesting. I have a PC with the Kaveri APU, which also uses the = R7=20 graphics engine, but compositing has no problems for general desktop usage= =20 (with two monitors). 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]=20 Kaveri [Radeon R7 Graphics] (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Kaveri [Radeon R7 Graphics] Flags: bus master, fast devsel, latency 0, IRQ 25 Memory at e0000000 (64-bit, prefetchable) [size=3D256M] Memory at f0000000 (64-bit, prefetchable) [size=3D8M] I/O ports at f000 [size=3D256] Memory at feb00000 (32-bit, non-prefetchable) [size=3D256K] Expansion ROM at feb40000 [disabled] [size=3D128K] Capabilities: [48] Vendor Specific Information: Len=3D08 Capabilities: [50] Power Management version 3 Capabilities: [58] Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [a0] MSI: Enable+ Count=3D1/1 Maskable- 64bit+ Capabilities: [100] Vendor Specific Information: ID=3D0001 Rev=3D1 Len=3D0= 10 Capabilities: [270] #19 Capabilities: [2b0] Address Translation Service (ATS) Capabilities: [2c0] #13 Capabilities: [2d0] #1b Kernel driver in use: radeon I don't know if your card is significantly different, but can share setting= s=20 if you are interested. =2D-=20 Regards, Mick --nextPart62622772.iATd04tbEl Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAABCAAGBQJV2EocAAoJELAdA+zwE4YeHEcIAK5Lfxrcew2d+6dKLQdvLMl1 8yEZvxJjT5r4cBWd6Zls2q8SohYDcnyOg9BTiV2B5uWIXqggvuQjq/p0fEVTSVEF 5rMbEoeyC6xYGR1x48RS0recBoiow2WrpbcJqbswc3kpolLQHLqmHiTAaB99dY2h bjJqf8IUASPFdp6cZc5tiLGRIImKYSzWdivFR/yx5uqCfDS4L4VYuI43bRQw4q4q w3YzZSVVUVhsxgF32+ih8C4fe5X3LJdclvn+XLfqiIX058NmU4K5kxO9bZQJ6VN0 S790ot2g8Wd0FIxjB+CtR+VUsEU/jlwT66pvDI5lw5rTn7FSaTKOw/NQasssQoc= =bqR5 -----END PGP SIGNATURE----- --nextPart62622772.iATd04tbEl--