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Weird bug in CPU usage in KSysGuard?

MRK0017
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Weird bug in CPU usage in KSysGuard?

Sat Jan 04, 2020 10:45 pm
Please take a look at this screenshot:

Image

Any idea what's going on? I have some random cores display 100% CPU usage, but it doesn't appear to be real because top and htop (also launched as sudo) reported values are nowhere close, also, still in KSysGuard, the process totals do not add up anywhere near 100%.

Last edited by MRK0017 on Mon Jan 06, 2020 11:43 pm, edited 1 time in total.
User avatar Mamarok
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Could you please upload your images to an image displaying website (e.g. imgur works quite nicely)? Asking us to download to view the images is not exactly a good idea, as I am certainly not going to download anything on my computer from an unknown source.


Currently running Kubuntu 20.04, Plasma 5.18.5, Frameworks 5.68.0, Qt 5.12.8, kernel 5.4.0-42
FWIW: it is always useful to state the exact Plasma version and distribution when asking questions in this forum, makes it easier for us to help ...
MRK0017
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Yep, not very smart of me to use an anonymous file hoster instead of an anonymous picture hoster. I updated the post. Btw it went away after rebooting and hasn't come back since. If it happens again what should I use to detect if there is an actual rogue program on my system using the CPU like that or if it's just a bug by KSysGuard? It seems strange that only KSysGuard can pick up the weird usage but not even htop as sudo can. Oh and btw I removed the phoronix thing that shows up in my screenshot, the screenshot is from the first time it happened (two weeks ago or so), and yesterday it happened again but I forgot to take another screenshot before rebooting.
User avatar Mamarok
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Could have been a zombie not marked as such? I am a noob when it comes to system level stuff, far too complex for me, so if somebody else wants to chime in...


Currently running Kubuntu 20.04, Plasma 5.18.5, Frameworks 5.68.0, Qt 5.12.8, kernel 5.4.0-42
FWIW: it is always useful to state the exact Plasma version and distribution when asking questions in this forum, makes it easier for us to help ...

 
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