CPU consumtion by kglobalaccel / Xorg (was: Fwd: xorg-server-21.1.8_2, 1 && key Control_L)

[Michael Gmelin]

> On 18. Sep 2023, at 18:03, Matthias Apitz <guru at unixarea.de> wrote:
> 
> El día lunes, septiembre 18, 2023 a las 11:36:17a. m. +0200, Matthias Apitz escribió:
> 
>>> El día lunes, septiembre 18, 2023 a las 11:08:16 +0300, Gleb Popov escribió:
>>> 
>>> On Mon, Sep 18, 2023 at 10:42 AM Matthias Apitz <guru at unixarea.de> wrote:
>>>> 
>>>> 
>>>> I investigated the problem described below further and modified
>>>> ~/.xinitrc to not start plasma, but twm and one xterm. The issue depends
>>>> clearly on KDE5. On KeyPress event of Control_L the two processes
>>>> Xorg and kglobalaccel jump in top on the list, Xorg with 30++%.
>>>> 
>>>> If one uses multiple time Control_L + TAB to rotate between the virtual
>>>> desktops, this is lazy at the beginning and later the requests get
>>>> somehow stacked nd re-played by its own like a movie.
>>>> 
>>>> This is not with my older laptop installation with ports from end of
>>>> 2020 (which have been bleeding edge at this time).
>>>> 
>>>> Should I file a bug in bugs.kde.org or is that somehow a known issue?
>>>> 
>>>> Thanks
>>> 
>>> Probably you have something strange bound to this shortcut. Does the
>>> problem exist for a newly created user (with empty ~/.config and
>>> ~/.cache) ?
>> 
>> The trees ~/.config and ~/.cache have been copied from the 2020's system
>> which is still in use. But I will follow your advice and test with a
>> newly created user.
> 
> I created a new user 'test', did login as 'test', copied my ~guru/.xinitrc
> to ~/.xinitrc, started KDE with 'startx' and started on the empty desktop
> 'Konsole' from the Application launcher and with 'Konsole' the command
> 'top'. Using the key 'Control_L' a few times, let's say 10 times in 10
> seconds, brings the proc Xorg to 60% and kglobalaccel to 20% CPU utilization.
> 
> Please let me know, if I could check something.
> 

Could you share the content of your .xinitrc (excuse if you had before).

Best

> Thanks
> 
>    matthias
> 
> -- 
> Matthias Apitz, ✉ guru at unixarea.de, http://www.unixarea.de/ +49-176-38902045
> Public GnuPG key: http://www.unixarea.de/key.pub
>