Public bug reported:
The overall performance of my notebook feels worse when I Use unity.
After starting my computer everything seems to be fast, however in a
short time (in 1 hour, or less based on usage) things became slow, and
sometimes sluggish. A reboot seems to solve this. Suspend/resume seems
to make things slower a bit
For comparison I tried using XFCE for a while (compositing disabled).
The overall performance felt better. Webpages tend to scroll smoother,
intellij IDEA used to slow down (noticable lag when typing), I didn't
notice this behaviour while I used xfce, even when the IDE did some cpu
intensive like rebuilding indexes.
When I use Unity the cpu usage of compiz grows over time even if nothing
happens on the screen, and I close every application.
Also my battery seems to drain faster
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: xorg 1:7.7+1ubuntu5
ProcVersionSignature: Ubuntu 3.10.0-2.11-generic 3.10.0
Uname: Linux 3.10.0-2-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.10.2-0ubuntu4
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Mon Jul 15 13:38:02 2013
DistUpgraded: 2013-06-24 19:15:01,815 DEBUG enabling apt cron job
DistroCodename: saucy
DistroVariant: ubuntu
DkmsStatus: vboxhost, 4.2.16, 3.10.0-2-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Toshiba America Info Systems Device [1179:0009]
InstallationDate: Installed on 2013-04-29 (77 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: TOSHIBA PORTEGE Z830
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.10.0-2-generic
root=/dev/mapper/hostname-root ro quiet libata.force=noncq splash
pcie_aspm=force i915.i915_enable_fbc=1 i915.lvds_downclock=1 acpi_osi=Linux
acpi_backlight=vendor elevator=noop vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to saucy on 2013-06-24 (20 days ago)
dmi.bios.date: 04/18/2013
dmi.bios.vendor: TOSHIBA
dmi.bios.version: Version 1.80
dmi.board.asset.tag: 0000000000
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Version A0
dmi.chassis.asset.tag: 0000000000
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: Version 1.0
dmi.modalias:
dmi:bvnTOSHIBA:bvrVersion1.80:bd04/18/2013:svnTOSHIBA:pnPORTEGEZ830:pvrPT224E-017014HU:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
dmi.product.name: PORTEGE Z830
dmi.product.version: PT224E-017014HU
dmi.sys.vendor: TOSHIBA
version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.45-2ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.4-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.4-0ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.14.1-0ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2.1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.9-0ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.8-0ubuntu1.1
xserver.bootTime: Mon Jul 15 13:34:43 2013
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.14.1-0ubuntu1
xserver.video_driver: intel
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 performance saucy ubuntu
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1201403
Title:
Unity performance issue on intel gpu
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