Re: [gentoo-user] Wayland and CPU load

[Mark Knecht <markknecht@gmail.com>]

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On Thu, Sep 5, 2024 at 12:00 PM Peter Humphrey <peter@prh.myzen.co.uk>
wrote:
>
> On Thursday 5 September 2024 15:43:00 BST Iwrote:
> > On Thursday 5 September 2024 13:47:29 BST I wrote:
> > > ... Perhaps I should start recompiling things...
> >
> > After an emerge -e1 kwayland plasma-workspace and a reboot,
kwin_wayland is
> > down to 20-60% CPU and plasma_shell is barely visible in /top/.
> >
> > Much improved, but it still isn't right.
>
> It came back again, so I ran a complete -e, rebooted, recompiled the
kernel
> again and rebooted again.
>
> It's all back as it was - no CPU cycles left for anything else but
wayland and
> plasam-shell.
>
> How to debug this?
>
> --
> Regards,
> Peter.

If you are running systemd then you can try

systemd-cgtop

which should identify what slice, if any, is using lots of CPU.

If you were interested in exploring more deeply you might
be able to create a control group that Wayland could run
inside of to limit resources or possible identify what
part of Wayland is getting out of control

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