[Bug 69341] [radeonsi] KDE 4.11 is EXTREMELY slow with Raster QT backend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69341

--- Comment #27 from darkbasic <darkbasic at linuxsystems.it> ---
I completely removed tracers, changed slab allocator from slub to slab,
completely disabled kernel debugging... it didn't help :(
Can you please be more specific? Also, is there any way to check what the hell
is happening? You spoke about kernel spending lots of cpu cycles in slab_alloc
and slab_free but I have no clue how to debug it and developers seem not
willing to help me.

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