Package: libkf5globalaccel-bin
Followup-For: Bug #1000955
X-Debbugs-Cc: lopi...@debian.org

Hi Filippo,

On Wed, 1 Dec 2021 12:12:44 +0100, Filippo wrote:
> Should I install other packages to fix the problem? What can I do to help?

Two ideas related to this part of your report:

> Note that I also see a huge CPU consumption for the following processes:
>
> /usr/lib/xorg/Xorg (63%)
> /usr/sbin/rsyslogd (14%)
> /lib/systemd/systemd-journald (10%)
>
> Yeah, I know these percentages sum up to > 100 :-( 

The sum-of-percentages being above one-hundred is likely due to a multi-CPU (or
perhaps multiple-core) system - I think that each percentage reported is for a
single processor.  If the total goes above 100 * x, where x is the number of
processors, then we're allowed to become more confused.  Let's not do that yet.

> /lib/systemd/systemd-journald (10%)

Focusing more on this line in particular -- and the fact that kglobalaccel was
(and still is, in 5.103.0-1) configured to auto-restart on unhandled error[1],
then I think it's possible that the process is failing and being recreated
rapidly.  Each occurrence of that should be logged in the system journal,
and that could cause high CPU usage for that service.

All a theory so far, but if you are able to replicate the behaviour (I realize
it has been a while since your report) then I would suggest taking a look at
the service logs in journalctl to see if there are any clues there, and let us
know.

Thank you,
James

[1] - 
https://sources.debian.org/src/kglobalaccel/5.78.0-3/src/runtime/main.cpp/?hl=92#L79

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