(In reply to supercoolemail from comment #9)
> Output of perf (if you want anything more, e.g. full perf.data or something,
> I'll deliver):

AFAIK perf.data generally won't be useful outside of your system.

> perf report --stdio
>     32.26%  Gothic2.exe      wined3d.dll.so            [.]
> wined3d_resource_map
>     20.34%  Gothic2.exe      radeonsi_dri.so           [.] 0x000000000053c222

Can you redo this with debugging symbols available for radeonsi_dri.so?

BTW, just to be clear, make sure you only collect profiling data while the game
is showing the slow menu, not before or after.