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Old 05-30-2017, 10:29 AM   #1
TB0ne
LQ Guru
 
Registered: Jul 2003
Location: Birmingham, Alabama
Distribution: SuSE, RedHat, Slack,CentOS
Posts: 19,896

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Plasmashell High CPU Load Fix - Plasma 5.9x KDE


Running TOP shows that plasmashell was just eating CPU. The culprit, it seems, is a long-standing KDE bug that apparently rears its ugly head every now and then.

Temporary fix: run:
Code:
killall plasmashell; kstart plasmashell --shut-up; exit
...from a terminal, and it *SHOULD* drop back to normal. The problem, it seems, is with the notification icon(s) in your system tray...get one, or have one with an animation (weather? Network? New mail?), and you get the spike.

Editing the /usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationIcon.qml file *seems* to do the trick (your mileage may vary). Look for this section:
Code:
 PlasmaComponents.BusyIndicator {
            anchors.fill: parent

            visible: jobs ? jobs.count > 0 : false
            running: active
        }
..and change it to read:
Code:
 PlasmaComponents.BusyIndicator {
            anchors.fill: parent

            visible: jobs ? jobs.count > 0 : false
            running: false
        }
Essentially, just replacing the "active" with "false" (as bolded). Restart/reboot, and it may work fine.
 
Old 01-31-2018, 07:12 AM   #2
archenroot
LQ Newbie
 
Registered: Jan 2018
Posts: 1

Rep: Reputation: Disabled
Hi,

I fixed it by killing randomly one of plasmashell threads within the process. I didn't killed plasma itself, desktop works, but cpu got down and all remaining high cpu threads were killed at the same time as well (there were about 10-15 in htop visible).

Could you refer the bug related to this issue if it is in progress?

Anyway thanks for your guideline, which I will try to test next time as now my random thread kill worked fine :-)
 
  


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