[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=99955

            Bug ID: 99955
           Summary: [r600g] GPU load always displayed at 100% with
                    GALLIUM_HUD=GPU-load
           Product: Mesa
           Version: git
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: megwattt@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Hello,

The GPU-load graph from GALLIUM_HUD will always be at 100%, no matter what
application is launched (even glxgears with vblank_mode=3). I tested that on my
Radeon HD 5770.

This regression is caused by commit b8f3b00742eab6ee1868407b876f69195a51f3b6 :
gallium/radeon: include SDMA in the GPU load query.

It doesn't seems to affect radeonsi, as the GPU-load results on a TOPAZ XT chip
are more reasonable (~5% with the same test).

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[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

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https://bugs.freedesktop.org/show_bug.cgi?id=99955

Hleb Valoshka <375gnu@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |375gnu@gmail.com

--- Comment #1 from Hleb Valoshka <375gnu@gmail.com> ---
This bug affects radeonsi as well (HW - 7750, kernel - Linux 4.10.0-rc8, amdgpu
kernel driver).

When this commit (b8f3b007) is reverted, then hud shows a correct value.

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[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

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https://bugs.freedesktop.org/show_bug.cgi?id=99955

--- Comment #2 from Alex Deucher <alexdeucher@gmail.com> ---
https://lists.freedesktop.org/archives/mesa-dev/2017-March/146699.html

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[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

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https://bugs.freedesktop.org/show_bug.cgi?id=99955

Alex Deucher <alexdeucher@gmail.com> changed:

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

--- Comment #3 from Alex Deucher <alexdeucher@gmail.com> ---
fixed:
https://cgit.freedesktop.org/mesa/mesa/commit/?id=c416d8a3bcc085d13489da618c9169b343c226eb

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[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

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https://bugs.freedesktop.org/show_bug.cgi?id=99955

Jan Ziak <0xe2.0x9a.0x9b@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED

--- Comment #4 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
I am still experiencing this issue on a R9-390 GPU with Mesa git-469da09.

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[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

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https://bugs.freedesktop.org/show_bug.cgi?id=99955

--- Comment #5 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Jan Ziak from comment #4)
> I am still experiencing this issue on a R9-390 GPU with Mesa git-469da09.

What kernel are you using?

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[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

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https://bugs.freedesktop.org/show_bug.cgi?id=99955

--- Comment #6 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Alex Deucher from comment #5)
> (In reply to Jan Ziak from comment #4)
> > I am still experiencing this issue on a R9-390 GPU with Mesa git-469da09.
> 
> What kernel are you using?

- radeontop is working OK.

$ uname -r
4.11.0-rc4+

$ glversion
4.5 (Core Profile) Mesa 17.1.0-devel (git-02112c3)
Gallium 0.4 on AMD HAWAII (DRM 3.10.0 / 4.11.0-rc4+, LLVM 4.0.0)

$ cat ~/bin/shared/glversion 
#!/bin/bash
set -e
unset LIBGL_DEBUG
INFO="$(glxinfo)"
echo "$INFO" | grep "OpenGL core profile version" | sed "s/^.*: *//"
echo "$INFO" | grep "renderer string" | sed "s/^.*: *//"

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[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

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https://bugs.freedesktop.org/show_bug.cgi?id=99955

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

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

--- Comment #7 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/598.

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[Bug 99955] [r600g] GPU load always displayed at 100% with GALLIUM_HUD=GPU-load

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https://bugs.freedesktop.org/show_bug.cgi?id=99955

--- Comment #8 from Jan Ziak (http://atom-symbol.net) <0xe2.0x9a.0x9b@gmail.com> ---
Hi. Just a note about the migration process: Bugzilla migration to
https://gitlab.freedesktop.org/mesa/mesa/issues/598 is failing to preserve
newline characters found in this bug report. This seems to be the case only
when the line starts with an $.

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