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Date:      Mon, 4 Aug 2014 21:39:48 +0300
From:      Stefan Parvu <sparvu@systemdatarecorder.org>
To:        David Wolfskill <david@catwhisker.org>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: cpu utilization break down via sysctl
Message-ID:  <20140804213948.4d1d2eb86b59e4a7e28c838b@systemdatarecorder.org>
In-Reply-To: <20140804165350.GQ1228@albert.catwhisker.org>
References:  <20140804190923.95fec6a00d175ffee89c4af5@systemdatarecorder.org> <20140804162056.GP1228@albert.catwhisker.org> <20140804194036.be325ee5822bbcb2623db358@systemdatarecorder.org> <20140804165350.GQ1228@albert.catwhisker.org>

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> Err... Well... Maybe?  The numeric values are the values of the counters
> at the time the information was acquired.
> 
> I'd probably depict them more as:
> 
>        user  nice system  intr     idle
> cpu0: 28845  2060  22253  1805  1197920
> cpu1: 27677  1477  22399  2109  1199180
> cpu2: 32342  1649  19499   894  1198458
> cpu3: 29670  1678  20324  1471  1199699

right. 


> If you mean total non-idle CPU, yes.  For determining available CPU, you
> need to include idle.
> 

super. Many thanks again. I will put together these and post my progress. I will do
first the CPU utilization, then go to mem, disk and network io utilizations. I need as well
the get the run-queue length, load average seems very simple. Not sure how hairy things
will get on those parts when I will need per disk or per NIC throughput iops or read KB/sec. 

One thing at the time.

Cheers,

-- 
Stefan Parvu <sparvu@systemdatarecorder.org>



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