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To: "Dan Nelson" <dnelson@allantgroup.com>,
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cc: freebsd-hackers@freebsd.org
cc: Jose Marcio Martins da Cruz <Jose-Marcio.Martins@ensmp.fr>
Subject: Re: Pointers about CPU load measuring
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Dan Nelson wrote:

>>> Someone can send some pointers on how to measure global CPU load
>>> under FreeBSD from a C program ? I'm looking for values for
>>> idle/kernel/user, in a similar way as does top. Is there any pointer
>>> or doc ?. I'd like to avoir browsing top code.
>>
>> Use sysctlbyname(3) to retrieve vm.loadavg, which is a struct loadavg
>> (defined in <sys/resource.h>)
>
> Actually the kern.cp_time variable might be better if you want
> idle/kernel/user values.

I current let snmpd do the job. Is that as accurate as manually reading the
kern.cp_time variable?

- Mark