[Bug 39714] New: Slow and choppy 3D performace on evergreen after pm-suspend

[Bug 39714] New: Slow and choppy 3D performace on evergreen after pm-suspend

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39714

           Summary: Slow and choppy 3D performace on evergreen after
                    pm-suspend
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: bugs.xorg@boris64.net


Created an attachment (id=49783)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=49783)
dmesg including pm-suspend event

I get very slow and choppy 3d performance after suspending my computer.
This is valid for glxgears (i-know-it's-not-a-benchmark), kwin and others.
After restarting the 3d application speed seems to be normal/ok again. 

Example:
[glxgears output]
17641 frames in 5.0 seconds = 3528.125 FPS
18396 frames in 5.0 seconds = 3679.087 FPS
22768 frames in 5.0 seconds = 4553.543 FPS
18280 frames in 5.0 seconds = 3655.863 FPS
16051 frames in 5.0 seconds = 3210.111 FPS
16030 frames in 5.0 seconds = 3205.946 FPS
18157 frames in 5.0 seconds = 3628.626 FPS
18182 frames in 5.0 seconds = 3636.259 FPS
...
(-> pm-msuspend here <-)
...
12270 frames in 19.1 seconds = 641.561 FPS
4518 frames in 5.0 seconds = 903.255 FPS
4721 frames in 5.0 seconds = 944.181 FPS
4750 frames in 5.0 seconds = 949.833 FPS
4724 frames in 5.0 seconds = 944.745 FPS
4759 frames in 5.0 seconds = 951.687 FPS
4535 frames in 5.0 seconds = 905.757 FPS
4557 frames in 5.0 seconds = 911.264 FPS
[/glxgears output]

Used drivers+software:
-xorg-server-1.10.3
-mesa(r600g)/ddx/libdrm from git (latest)
-kernel-3.0.0

If you need more infos/logs, please do not hesitate to ask.
Thank you in advance!

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #1 from boris64 <bugs.xorg@boris64.net> 2011-08-01 05:12:55 PDT ---
Created an attachment (id=49784)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=49784)
Xorg.0.log

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #2 from boris64 <bugs.xorg@boris64.net> 2011-08-01 05:13:14 PDT ---
Created an attachment (id=49785)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=49785)
lspci -vvn

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #3 from Michel Dänzer <michel@daenzer.net> 2011-08-10 07:51:01 PDT ---
Here's my theory on what's happening:

On suspend, all BOs located in VRAM are evicted to GTT using
radeon_bo_evict_vram() -> ttm_bo_evict_mm(). There's no mechanism to explicitly
try and move these back to VRAM after resume, so some of them probably stay in
GTT indefinitely.

Not sure offhand how to address this...

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #4 from Michel Dänzer <michel@daenzer.net> 2011-08-31 06:43:22 PDT ---
(In reply to comment #3)
> Here's my theory on what's happening:

Another possibility might be that e.g. PAT / MTRR attributes aren't properly
restored for some memory areas. Can you attach the following files from
before/after suspend/resume:

/sys/kernel/debug/dri/0/radeon_*_mm
/sys/kernel/debug/x86/pat_memtype_list
/proc/mtrr

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #5 from boris64 <bugs.xorg@boris64.net> 2011-08-31 12:53:28 PDT ---
Created an attachment (id=50767)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50767)
mtrr-before-pm-suspend.txt

Here we go.

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #6 from boris64 <bugs.xorg@boris64.net> 2011-08-31 12:53:52 PDT ---
Created an attachment (id=50768)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50768)
mtrr-after-pm-suspend.txt

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #7 from boris64 <bugs.xorg@boris64.net> 2011-08-31 12:54:54 PDT ---
Created an attachment (id=50769)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50769)
pat_memtype_list-before-pm-suspend.txt

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #8 from boris64 <bugs.xorg@boris64.net> 2011-08-31 12:55:16 PDT ---
Created an attachment (id=50770)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50770)
pat_memtype_list-after-pm-suspend.txt

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #9 from boris64 <bugs.xorg@boris64.net> 2011-08-31 12:55:39 PDT ---
Created an attachment (id=50771)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50771)
radeon_gtt_mm-before-pm-suspend.txt

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #10 from boris64 <bugs.xorg@boris64.net> 2011-08-31 12:55:58 PDT ---
Created an attachment (id=50772)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50772)
radeon_gtt_mm-after-pm-suspend.txt

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #11 from boris64 <bugs.xorg@boris64.net> 2011-08-31 12:56:17 PDT ---
Created an attachment (id=50773)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50773)
radeon_vram_mm-before-pm-suspend.txt

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #12 from boris64 <bugs.xorg@boris64.net> 2011-08-31 12:56:48 PDT ---
Created an attachment (id=50774)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50774)
radeon_vram_mm-after-pm-suspend.txt

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #13 from Michel Dänzer <michel@daenzer.net> 2011-09-07 03:29:22 PDT ---
The MTRR/PAT info is the same before and after, but almost 60M worth of BOs
moved from VRAM to GTT. So the first theory seems more likely.

That said, I'm not sure which buffer(s) could make such a difference for
glxgears...

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39714

--- Comment #14 from boris64 <bugs.xorg@boris64.net> 2011-09-25 08:34:51 PDT ---
Is there anything i could try out? I mean this affects
every 3d app including the kwin window manager.

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[Bug 39714] Slow and choppy 3D performace on evergreen after pm-suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=39714

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #15 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/399.

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