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#1 2017-09-17 16:52:34
- Tharbad
- Member
- Registered: 2016-02-27
- Posts: 333
CPU usage is ~25%, no idea why
Hi,
Since yesterday my CPU usage is ~25% however according to what I see in top it should be ~5% max.
rkhunter says I'm clean.
Ideas?
Thanks
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#2 2017-09-17 17:00:02
- ewaller
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- From: Pasadena, CA
- Registered: 2009-07-13
- Posts: 20,722
Re: CPU usage is ~25%, no idea why
htop
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#3 2017-09-17 17:08:38
- Tharbad
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- Registered: 2016-02-27
- Posts: 333
Re: CPU usage is ~25%, no idea why
That's better.
It's plasmashell. I wonder why.
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#4 2017-09-17 19:18:32
- seth
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- From: Won't reply 2 private help req
- Registered: 2012-09-03
- Posts: 78,876
Re: CPU usage is ~25%, no idea why
Probably some plasmoid or notification indicator running wild.
If this is permanent, move away ~/.config/plasma-org.kde.plasma.desktop-appletsrc to try the default desktop and see whether it happens there as well.
If not, just make a copy of your config and remove plasmoids one by one until this stops.
If this is temporary, see whether you can spot a condition.
Ultimately, you'll have to invoke callgrind to get to the bottom of this.
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#5 2017-09-17 20:29:47
- V1del
- Forum Moderator
- Registered: 2012-10-16
- Posts: 25,435
Re: CPU usage is ~25%, no idea why
Do you have the automatic wallpaper switch plugin active? I'm not sure as to the current state but this used to be an issue and is afaik waiting on a Qt fix.
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#6 2017-09-17 21:24:54
- Tharbad
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- Registered: 2016-02-27
- Posts: 333
Re: CPU usage is ~25%, no idea why
Do you have the automatic wallpaper switch plugin active? I'm not sure as to the current state but this used to be an issue and is afaik waiting on a Qt fix.
I use it. Define used to be. until yesterday (and probably the latest plasma updates) I had no problem at all.
It just went down to ~8% so it's not high enough for me to rebuild my desktop. 
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#7 2017-09-18 00:20:29
- c00ter
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- From: Alaskan in Washington State
- Registered: 2014-08-28
- Posts: 421
Re: CPU usage is ~25%, no idea why
V1del wrote:Do you have the automatic wallpaper switch plugin active? I'm not sure as to the current state but this used to be an issue and is afaik waiting on a Qt fix.
I use it. Define used to be. until yesterday (and probably the latest plasma updates) I had no problem at all.
It just went down to ~8% so it's not high enough for me to rebuild my desktop.
2-3 moths long enough? There were quite a number of posts here concerning that issue.
UNIX was not designed to stop you from doing stupid things, because that would also stop you from doing clever things. -- Doug Gwyn
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#8 2017-09-18 07:09:51
- seth
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- Registered: 2012-09-03
- Posts: 78,876
Re: CPU usage is ~25%, no idea why
Though i recalled it as memhog issue, but the KDE bug actually claims CPU load as well (where I'd understand the former to be especially caused by the wallpaper changing but the former should, given it's actually a bug/issue in scene renderer, not be specific to the wallpaper slideshow (leaving aside the expectable load from the image processing)
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