Date: Sat, 4 Aug 2007 09:49:32 +0100 From: "mal content" <artifact.one@googlemail.com> To: "Peter Jeremy" <peterjeremy@optushome.com.au> Cc: freebsd-hackers@freebsd.org Subject: Re: CPU activity as percentage. Message-ID: <8e96a0b90708040149n35b9e948xeed06ccda962133@mail.gmail.com> In-Reply-To: <20070804075300.GO1262@turion.vk2pj.dyndns.org> References: <8e96a0b90708040010r3980d5ffj709e16058740955a@mail.gmail.com> <20070804075300.GO1262@turion.vk2pj.dyndns.org>
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On 04/08/07, Peter Jeremy <peterjeremy@optushome.com.au> wrote:
> On 2007-Aug-04 08:10:13 +0100, mal content <artifact.one@googlemail.com> wrote:
> > if (sysctlbyname("kern.cp_time", cp_time, &len, 0, 0) < 0) return 0;
>
> kern.cp_time returns a set of counters that are incrememted at
> kern.clockrate{stathz}. To calculate CPU activity, you need to look
> at the change in counters over a defined period.
*ahem*
That would explain it then.
thanks,
MC
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