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-   -   High CPU usage after suspend/resume (http://www.linuxquestions.org/questions/linux-software-2/high-cpu-usage-after-suspend-resume-866664/)

michal017 03-05-2011 05:04 PM

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.

timetraveler 03-17-2011 12:16 PM

How do you measure the 100% CPU that you are seeing consumed?

michal017 03-17-2011 05:06 PM

htop shows 1 core is 100% used but there's no process in the list of processes that consumes this amount of CPU

timetraveler 03-17-2011 06:00 PM

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"

michal017 03-18-2011 03:06 AM

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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