https://bugs.freedesktop.org/show_bug.cgi?id=110781
--- Comment #39 from Richard Thier <u9v...@gmail.com> ---
First I went on to strace a bit and measure directly...
10 sec glxgears - lastfast 17.x:
- 2105 ioctl calls
- 6 DRM_IOCTL_RADEON_GEM_CREATE
- 7 DRM_IOCTL_GEM_CLOSE
10 sec glxgears - patched 19.x:
- 2916 ioctl calls
- 712 DRM_IOCTL_RADEON_GEM_CREATE
- 713 DRM_IOCTL_GEM_CLOSE
In comparison this is the unpatched 19.x originally (10 sec):
-> 12466 (any) ioctl calls
-> 3111 DRM_IOCTL_RADEON_GEM_CREATE
-> 3112 DRM_IOCTL_GEM_CLOSE
Surely it is already an order of magnitude better now, but maybe still not as
best as it should be. As I told you, when bisecting there was a point I saw
this happening and it was hinting there are two issues - but one is much
smaller.
glxgears however runs roughly the same FPS now. Maybe things start to slow down
if I run out of CPU power as glxgears don't run out now - neither tuxracer, but
will try heavy things like mount&blade: warband... it was working well before..
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