[Wayland-bugs] [Bug 86815] XWayland [weston 1.6.0] takes all CPU and is very slow on eee-pc

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86815

--- Comment #8 from Pekka Paalanen <ppaalanen at gmail.com> ---
(In reply to Mildred Ki'Lya from comment #7)
> Well, removing the -shm option didnt help.

Um, I did write "add", not "remove". :-)

Adding -shm would disable glamor.

> I double checked my story about OpenGL 1.4 and I was wrong. I misinterpreted
> it with the glx version string within glxinfo. I get on native Xorg:
> 
> OpenGL vendor string: Intel Open Source Technology Center
> OpenGL renderer string: Mesa DRI Intel(R) IGD
> OpenGL version string: 2.1 Mesa 10.3.5
> OpenGL shading language version string: 1.20

Ok, so there is at least GLSL support in theory. Much better.

> glxinfo on Xwayland will show:
> 
> OpenGL vendor string: VMWare, Inc.
> OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.5, 128 bits)

This just means that GL apps under Xwayland would be software rendered, but I'm
not sure it implies anything about Glamor.

> OpenGL version string: 3.0 Mesa 10.3.5
> OpenGL shading language version string: 1.30
> 
> I made available the perf.data file as:
> 
> http://mildredkilya.nfshost.com/perf-20141208.data
> 
> perf archive result is still available at:
> 
> http://mildredkilya.nfshost.com/perf-20141208.data.tar.bz2
> 
> tell me if you need any other file.

Looks like I can't make sense of the trace. Maybe I can't use 'perf report'
right?

All I see is a huge number of lines like
   1.47%         Xwayland  ^E                  [.] 0x0000000000211da8
and some rare others.

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