Date: Thu, 17 Mar 2011 16:30:24 +0000 From: Bruce Cran <bruce@cran.org.uk> To: Bruce Cran <bruce@cran.org.uk> Cc: current@freebsd.org, Andriy Gapon <avg@freebsd.org> Subject: Re: /etc/rc.d/powerd vs. lack of OID dev.cpu.0.freq Message-ID: <20110317163024.0000126d@unknown> In-Reply-To: <20110317134601.00002323@unknown> References: <20110317115112.GA3723@albert.catwhisker.org> <4D82017F.1080502@freebsd.org> <20110317134601.00002323@unknown>
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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
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