[Intel-gfx] Howto enable i830FALLBACK, regressions with xorg/intel from git.
linuxhippy at gmail.com
Wed Oct 8 09:41:36 PDT 2008
I've compiled xorg-git to be able to test the latest intel driver
(from git://git.freedesktop.org/git/xorg/driver/xf86-video-intel )
without performance limitations in xserver-1.5.1, however performance
seems to have degraded compared to xserver-1.3/intel-2.1.1.
Accoding to the log EXA is enabled, but it seems a lot more software
rendering is happening, for example this is the oprofile output for
Compiled from GIT:
94037 32.5533 libpixman-1.so.0.13.1 libpixman-1.so.0.13.1
42065 14.5619 libpixman-1.so.0.13.1 libpixman-1.so.0.13.1 fbFetch_a8
24445 8.4623 libpixman-1.so.0.13.1 libpixman-1.so.0.13.1 fbStore_a8
82108 17.2158 no-vmlinux no-vmlinux (no symbols)
66792 14.0045 anon (tgid:2906 range:0xb5ef8000-0xb6198000) java
34200 7.1708 libexa.so libexa.so
24052 5.0430 intel_drv.so intel_drv.so (no symbols)
I guess something is wrong with my setup, I wonder where all these
software fallbacks come from.
I tried to enable all those I830FALLBACK directly in source, but I
don't know where to look for the output.
How do I enable it correctly, and where do I have to look for the output?
The Xorg.0.log can be found here: http://pastebin.com/m753a2ff1
Any idea whats wrong?
By the way -aa10text performance is great, i get about 950.000 chars/s :)
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