Re: Gnome Shell performance degrades over time

["Jasper St. Pierre" <jstpierre mecheye net>]

Do you have this problem with other Clutter applications as well? What
about running raw mutter?

On Tue, Nov 1, 2011 at 12:31 PM, Evandro Giovanini
<efgiovanini gmail com> wrote:
> Do you have issues with other OpenGL apps or window managers?
>
> ---
> Evandro
>
> Em Ter, 2011-11-01 às 17:22 +0100, Alessandro Crismani escreveu:
>> Hi everybody,
>>
>> I've been using Gnome Shell for a long time know. My Laptop is a Lenovo T420s,
>> which comes with an integrated HD3000 Sandy Bridge (SNB) graphic adapter and a
>> i5 2520 CPU.
>>
>> Lately, the performance of the Shell has increased and going to activities is
>> smooth, compared to old times where SNB was performing awful. However, after
>> some time the scaling effect "gets corrupted" and slows down. It seems like
>> less frames are shown and going to the activity view becomes a frustrating
>> experience, hurting my concentration. This happens even if I don't use the
>> laptop and leave it idle.
>>
>> I've tried many combinations of software to see if something solved it. More
>> particularly, I've tried all the possible combinations between (running Arch
>> Linux, if that matetrs):
>>
>> Kernel 3.0.x (where x was the stable minor version at different points in
>> time)
>> Kernel 3.1.rcx
>> Kernel 3.1.0
>>
>> Mesa 7.10.4
>> Mesa 7.11.0
>> Mesa from the master tree as of last week (and some other older snapshots)
>>
>> xf86-video-intel 2.15
>> xf86-video-intel 2.16
>> xf86-video-intel from the master tree as of last week
>>
>> No combinations were found to work reliably after some time. In particular, if
>> I leave the laptop idle without screen-lock or suspend enabled, when I come
>> back the shell is slower than when I left.
>>
>> Is this a known behaviour. Does anyone else see this on Sandy Bridge equipped
>> laptops or is it only me?
>>
>> Last, but more important, how can I help debugging this? I've got no idea
>> about which logs might be useful: memory and CPU are under control both when
>> animations are fluid and when they are "corrupted". I am enclosing my lspci as
>> a starting point:
>>
>> alessandro at alessandro-thinky in ~
>> $ lspci
>> 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family
>> DRAM Controller (rev 09)
>> 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
>> Processor Family Integrated Graphics Controller (rev 09)
>> 00:16.0 Communication controller: Intel Corporation 6 Series Chipset Family
>> MEI Controller #1 (rev 04)
>> 00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network
>> Connection (rev 04)
>> 00:1a.0 USB Controller: Intel Corporation 6 Series Chipset Family USB Enhanced
>> Host Controller #2 (rev 04)
>> 00:1b.0 Audio device: Intel Corporation 6 Series Chipset Family High
>> Definition Audio Controller (rev 04)
>> 00:1c.0 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root
>> Port 1 (rev b4)
>> 00:1c.1 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root
>> Port 2 (rev b4)
>> 00:1c.3 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root
>> Port 4 (rev b4)
>> 00:1c.4 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root
>> Port 5 (rev b4)
>> 00:1d.0 USB Controller: Intel Corporation 6 Series Chipset Family USB Enhanced
>> Host Controller #1 (rev 04)
>> 00:1f.0 ISA bridge: Intel Corporation 6 Series Chipset Family LPC Controller
>> (rev 04)
>> 00:1f.2 SATA controller: Intel Corporation 6 Series Chipset Family 6 port SATA
>> AHCI Controller (rev 04)
>> 00:1f.3 SMBus: Intel Corporation 6 Series Chipset Family SMBus Controller (rev
>> 04)
>> 03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev
>> 2c)
>> 05:00.0 System peripheral: Ricoh Co Ltd Device e823 (rev 04)
>> 0d:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev
>> 04)
>>
>>
>> Thanks to anybody who has even the slightest idea on what is going on.
>> Cheers,
>> Alessandro
>>
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>
>
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-- 
  Jasper