Munin CPU graphs

Question

Munin CPU graphs

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I recently installed munin on my Linode (running Debian sarge) and I'm seeing some wierdness with the graphs. In particular it seems that my cpu graph never adds up to 100%. It used to be around 50% and now is flattened out at 60%.

I'm not sure if this is due to running on a UML instance or something I need to adjust in the configuration. I did notice that some other posts here in the Linode forums show munin graphs with the correct CPU scaling, so I figure it's me.

I am using the stock Debian munin package and have not modified the plugins at all… I've searched google to no avail, anybody know what's going on here?

Thanks in advance,

Brian

1 Reply

forum:inkblot · Answer 1 · Oct. 21, 2005, 1:53 p.m.

forum:inkblot 19 years, 1 month ago

I've seen correct scaling in the munin CPU usage graph only with 2.4 kernels. 2.6 kernels show a varying graph. This is definitely due to the fact that it's a UML system, and basically the idle time of all the UML systems on a given host is shared idle time. I don't think that there is any real consequence from this other than statistical oddities.

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Munin CPU graphs

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