[kde] [Bug 488266] New: kwin_wayland uses a lot of cpu, decreases when deleting Klipper's history

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=488266

            Bug ID: 488266
           Summary: kwin_wayland uses a lot of cpu, decreases when
                    deleting Klipper's history
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: openSUSE
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: salvatore.cresce at gmail.com
  Target Milestone: ---

SUMMARY: kwin_wayland always takes a lot of % cpu (can be observed with "top"
or "htop" commands) on Nvidia prime laptop, external monitor with DisplayPort.
% decreses by a lot when deleting Klipper's history.

STEPS TO REPRODUCE: right click the klipper's icon in the systray, delete the
history

OBSERVED RESULT: cpu usage of kwin_wayland goes from 70% to 5%-20%. Stays very
high only when watching videos via web browsers. I don't know how this is
related. Found somebody else who had the same situation:
https://forum.manjaro.org/t/plasmashell-and-kwin-wayland-use-lots-of-cpu-if-no-window-is-open/162038

SOFTWARE/OS VERSIONS: Tumbleweed, latest available KDE 6.0.x.

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