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odin_ago
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Joined: 07 Mar 2011
Posts: 36

PostPosted: Thu May 02, 2013 2:23 pm    Post subject: Strange CPU usage information Reply with quote

Hello.

I've noticed strange information in CPU usage ratio. Namely, CPU Monitor KDE plugin shows that (usually) CPU usage is about 7-8%, while in the output of
Code:
ps -A -O "%C"
I see processes that use 20% and 30% CPU. Is that normal? Why does the sum of the values in ps output differ from what KDE plugin shows?
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Ant P.
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Joined: 18 Apr 2009
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Location: UK

PostPosted: Thu May 02, 2013 6:17 pm    Post subject: Reply with quote

Do you have 4 cores?
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odin_ago
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PostPosted: Thu May 02, 2013 6:44 pm    Post subject: Reply with quote

I think I really have 2 cores with hyperthreading.
Code:
cat /proc/cpuinfo
reports 4 processors.
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