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Date: Thu, 17 Mar 2011 16:30:24 +0000
From: Bruce Cran <bruce@cran.org.uk>
To: Bruce Cran <bruce@cran.org.uk>
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Cc: current@freebsd.org, Andriy Gapon <avg@freebsd.org>
Subject: Re: /etc/rc.d/powerd vs. lack of OID dev.cpu.0.freq
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On Thu, 17 Mar 2011 13:46:01 +0000
Bruce Cran <bruce@cran.org.uk> wrote:

> On Thu, 17 Mar 2011 14:41:35 +0200
> Andriy Gapon <avg@freebsd.org> wrote:
> 
> > The OID in question should be provided by cpufreq driver.
> > You should be looking at dmesg and other kernel-related things to
> > find out what changed on that level.
> 
> The OID does exist - "sysctl -d dev.cpu.0.freq" works - it's just that
> querying the value always fails unless EST is enabled.

So it's been pointed out to me that EST is the only backend on core i7
so by disabling EST there's no way to query/change frequencies - hence
the sysctl doesn't work.

-- 
Bruce Cran