Date: Thu, 7 Apr 2005 15:03:29 +0200 From: Bruno Ducrot <ducrot@poupinou.org> To: Daniel O'Connor <doconnor@gsoft.com.au> Cc: freebsd-hackers@freebsd.org Subject: Re: My experience with cpufreq in -STABLE Message-ID: <20050407130329.GD2298@poupinou.org> In-Reply-To: <200504071049.32854.doconnor@gsoft.com.au> References: <200504041645.j34Gj2ow002999@pinky.frank-behrens.de> <200504060649.j366nGQg021228@pinky.frank-behrens.de> <20050406140102.GY2298@poupinou.org> <200504071049.32854.doconnor@gsoft.com.au>
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On Thu, Apr 07, 2005 at 10:49:25AM +0930, Daniel O'Connor wrote: > The algorithm used by the acpi_ppc module semed quite good to me when I used > it (before the frequency stuff was committed). > http://www.spa.is.uec.ac.jp/~nfukuda/software/index.html I saw it. I have some concern about the linear behaviour when going up (don't mind, I'm never happy ;). We'll miss the case where there are bursts. There were some heuristics such as the excess_cycle trick that may help if we consider this algorithm. (search ReducedEnergyScheduling.ps in your favorite search engine). Cheers, -- Bruno Ducrot -- Which is worse: ignorance or apathy? -- Don't know. Don't care.
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