From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arjan van de Ven Subject: Re: [PATCH RFC 0/1] cpufreq/x86: Add P-state driver for sandy bridge. Date: Thu, 06 Dec 2012 14:08:31 -0800 Message-ID: <50C1175F.7040602@linux.intel.com> References: <1354734091-29870-1-git-send-email-dirk.brandewie@gmail.com> <50C10AE1.4060608@linux.intel.com> <1912941.ZSxpVlGcnU@vostro.rjw.lan> <1848925.yZaqRNHFOk@vostro.rjw.lan> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1848925.yZaqRNHFOk@vostro.rjw.lan> Sender: cpufreq-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: "Rafael J. Wysocki" Cc: David C Niemi , dirk.brandewie@gmail.com, cpufreq@vger.kernel.org, deneen.t.dock@intel.com On 12/6/2012 1:34 PM, Rafael J. Wysocki wrote: >>>>> >>>>> * Uncompromised performance >>>>> * Balanced - biased towards performance (say, defined to be lowest power at most a 2 1/2% perf hit) >>>>> * Balanced (say, at most a 5% perf hit) >>>>> * Balanced - biased towards lower power (sat, at most a 10% perf hit) >>>>> * Uncompromised lowest power > That said starting with a small value and going up exponentially, like > (1->)2->4->8->16->32->64, sounds like a good idea. ... like 2 1/2, 5 and 10 ? ;-)