High CPU usage - slow/lag/skip problem

walter harms wharms at bfs.de
Thu Aug 11 10:21:59 UTC 2016

Am 11.08.2016 08:41, schrieb Thomas L├╝bking:
> On Wed, Aug 10, 2016 at 07:16:57PM -0400, Zurd wrote:
>> Hi, me again, I'm bumping this. I realized I have a big post but I wanted
>> to put as much information as possible. All I want to know is how to
>> minimize the xrandr calls so that there's less EDID information in
>> Xorg.0.log.
>> My system is not slow yet but it should happen soon. My Xorg log is at
>> 23M
>> in just 6h12m. I don't think this is normal.
> Whenever "something" calls even the equivalent of "xrandr -q" the nvidia
> driver will add such log entries. Given the frequency it's either some
> screen
> config daemon or some broken (afair Qt5 used to do this) client code
> determining the current screen geometry this way.
> You can alter the way you start X11 (likely some DM) to pass
> "-logverbose=0", no guarantees but it *should* silence this (and
> everything else)

For testing i would suggest to switch to a different Windowmanager (prefer
a simple one like tw, fvwm2 or so).

I had this problem with QT and could so identify comparable easy the source
of the problem.


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