[Bug 99457] Excessive CPU load by the xorg-server and GUI's hard lags

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99457

--- Comment #6 from Eugenij Shkrigunov <eshkrig at gmail.com> ---
>  Option "Accel" "off"
The problem remains. (xorg-server-1.18.4 + xf86-video-ati-7.7.0)

> It would be interesting to see a CPU profile from when the problem occurs,
> taken with something like sysprof or perf.
I have no experience with these tools.

I have not been able to compile xf86-video-ati-7.5.0 for xorg-server-1.18.4:
/var/tmp/portage/x11-drivers/xf86-video-ati-7.5.0/work/xf86-video-ati-7.5.0/src/radeon_kms.c:
In function 'redisplay_dirty':
/var/tmp/portage/x11-drivers/xf86-video-ati-7.5.0/work/xf86-video-ati-7.5.0/src/radeon_kms.c:272:2:
error: too many arguments to function 'PixmapSyncDirtyHelper'
  PixmapSyncDirtyHelper(dirty, &pixregion);
  ^
In file included from /usr/include/xorg/gc.h:54:0,
                 from /usr/include/xorg/dix.h:51,
                 from /usr/include/xorg/privates.h:151,
                 from /usr/include/xorg/cursor.h:53,
                 from /usr/include/xorg/scrnintstr.h:53,
                 from /usr/include/xorg/xf86str.h:39,
                 from
/var/tmp/portage/x11-drivers/xf86-video-ati-7.5.0/work/xf86-video-ati-7.5.0/src/radeon.h:46,
                 from
/var/tmp/portage/x11-drivers/xf86-video-ati-7.5.0/work/xf86-video-ati-7.5.0/src/radeon_kms.c:34:
/usr/include/xorg/pixmap.h:131:1: note: declared here
 PixmapSyncDirtyHelper(PixmapDirtyUpdatePtr dirty);

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