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#1 2019-10-01 16:48:39

VladTrendy
Member
Registered: 2019-10-01
Posts: 1

xfwm4 high CPU load when some desktop icons are selected

Hello XFCE members.

I recently installed Manjaro x64 with XFCE on 2010-era notebook with Core2 Duo. Machine is pretty low on CPU power.
When selecting (left click) any item on desktop (Home folder or Trash bin or file icon) I get 50% CPU from xfwm4 process. Hovering mouse over these icons (which shows preview) doesn't have such influence on CPU.

$ pacman -Qi xfwm4
Name            : xfwm4
Version         : 4.14.0-1.1
Description     : Xfce window manager
Architecture    : x86_64
URL             : http://www.xfce.org/
Required By     : xfwm4-gtk3
Packager        : Philip Mueller <philm@manjaro.org>
Build Date      : Чт 29 авг 2019 22:29:10

What should I check or provide to you?

With best regards,
Vladimir

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#2 2019-10-01 19:26:22

kunzlata
Member
Registered: 2019-06-24
Posts: 40

Re: xfwm4 high CPU load when some desktop icons are selected

I'm no expert, but I think high CPU usage with xfwm has to do with the graphics driver.
I have a weaker CPU than yours and a NVIDIA GPU, with nouveau I can't use Xfce but it's perfectly fine with the nvidia driver.

The bug at https://bugzilla.xfce.org/show_bug.cgi?id=15963 talks about vblank_mode. For example, the xfwm developer there said that for intel this works well:

$ xfconf-query -c xfwm4 -p /general/vblank_mode -s xpresent

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