[collectd] cpu usage

Massimo Canonico mex at di.unipmn.it
Tue Jul 10 10:22:04 CEST 2012

sorry I forgot to mention that I'm using collectd in a

Fedora 16 with the following kernel

Linux minicloud02.di.unipmn.it 3.4.4-4.fc16.x86_64 #1 SMP Thu Jul 5 
20:01:38 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux


On 07/10/2012 10:14 AM, Massimo Canonico wrote:
> Hi,
> I'm new on collectd and I'm sure that this question was already aswred 
> but I do not find where.
> I have a quad-core machine and I would like to know the cpu usage. 
> Looking at the graph here:
> http://collectd.org/wiki/index.php/Plugin:CPU
> I should be able to convert the jiffies into %, but I'm not sure how.
> Maybe is there a plug-in able to do that?
> Right now I was trying to look into idle file in order to compute 
> something like utilization = 1 - idleTime, but the file contains the 
> number of jitters and I do not know how can I manage it.
> Could you point me out where I can find the procedure?
> Thanks,
>  M
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