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Old 03-05-2011, 06:04 PM   #1
michal017
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Registered: Jan 2004
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High CPU usage after suspend/resume


I'm getting 100% CPU usage on 1 core after my laptop is awaken from suspend-to-RAM. However top/htop does not indicate any process consuming CPU. Is that a kernel issue?
I'm on Debian unstable amd64, laptop Dell D630.
 
Old 03-17-2011, 01:16 PM   #2
timetraveler
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How do you measure the 100% CPU that you are seeing consumed?
 
Old 03-17-2011, 06:06 PM   #3
michal017
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htop shows 1 core is 100% used but there's no process in the list of processes that consumes this amount of CPU

Last edited by michal017; 03-17-2011 at 06:07 PM.
 
Old 03-17-2011, 07:00 PM   #4
timetraveler
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I don't know htop. Maybe you need to change how htop sorts procs. top on some platforms lets you look at threads.
Start top then press "H"
 
Old 03-18-2011, 04:06 AM   #5
michal017
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htop displays threads by default
I'm sorting by CPU usage.. I can post a screenshot if necessary.
I just found out a couple of days ago the high CPU usage starts after I turn on my wifi/bluetooth switch (after resume from suspend to RAM).
 
  


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