True, but managers only see graphs, two have the same values, one doesn't....
I like Hobbit, and I want to keep it out here, so justification wise, I'd like to make it look the same.
I did a quick look at cpu, the load average is low, but the high cpu utilization is coming from to much iowait time because they are writing to NFS shares.
How does Hobbit get CPU utilization? Does it compare idle, user, kernel, iowait, swap? (Say from Top)
So for example, utilization might be 100 - idle time. and take samplings from idle time?
Thanks ... James
-----Original Message----- From: Rich Smrcina [mailto:rsmrcina at wi.rr.com] Sent: Friday, December 08, 2006 11:31 AM To: hobbit at hswn.dk Subject: Re: [hobbit] CPU Utilization Not Correct or Averaging
If the other tools are using their own functions to get the utilization, it could show much different values than the operating system provided features that Hobbit typically uses. The sampling interval will also make a big difference. It's best to compare apples to apples (as much as you can).
James Wade wrote:
We have a couple other monitoring tools here
in-house; although Hobbit is catching on more.
I've had questions about CPU Utilization, The charts
don't seem to correlate with the other two monitoring
tools. As an example, The other tools show CPU
Utilization at 80% during a couple hours at night,
and Hobbit shows 26% Utilization.
Both the other Tools show 80% utilization during those
hours, but Hobbit doesn't.
I looked into this once before, and I know it depends on
how the data sampling is being done.
Any ideas on this would be helpful.
Thanks.James
-- Rich Smrcina VM Assist, Inc. Phone: 414-491-6001 Ans Service: 360-715-2467 rich.smrcina at vmassist.com
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