Date: Thu, 12 Jan 2006 00:35:44 -0500 From: Mike Jakubik <mikej@rogers.com> To: Daniel O'Connor <doconnor@gsoft.com.au> Cc: freebsd-stable@freebsd.org Subject: Re: powerd effectiveness Message-ID: <43C5EAB0.3090805@rogers.com> In-Reply-To: <200601121554.55657.doconnor@gsoft.com.au> References: <43C5A261.1020407@rogers.com> <200601121326.18384.doconnor@gsoft.com.au> <43C5CB63.7060202@rogers.com> <200601121554.55657.doconnor@gsoft.com.au>
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Daniel O'Connor wrote: > On Thu, 12 Jan 2006 13:52, Mike Jakubik wrote: > >>> powerd won't run your CPU at a specific clock frequency - it varies the >>> CPU frequency based on current load conditions. >>> >> The load was 0, only thing that was running was mbmon. >> > > Fair enough.. still.. makes testing simpler IMO. > Agreed. However thats how i tested it :P > >>> You could try what I do but there are some systems which are very slow to >>> change clock speed so this could be an impediment. >>> >> What was part of my question, is it the hardware or the software thats >> at fault here. I.e. would a cool n quiet system be better. >> > > Hard to say. > I don't see how you can possibly get the frequencies you say with the hardware > you claim. > > What does sysctl dev.cpu.0.freq_levels say? > CPU: AMD Athlon(tm) Processor (1410.21-MHz 686-class CPU) # sysctl dev.cpu.0 dev.cpu.0.%desc: ACPI CPU dev.cpu.0.%driver: cpu dev.cpu.0.%location: handle=\_PR_.CPU0 dev.cpu.0.%pnpinfo: _HID=none _UID=0 dev.cpu.0.%parent: acpi0 dev.cpu.0.freq: 87 dev.cpu.0.freq_levels: 1403/-1 1315/-1 1227/-1 1139/-1 1052/-1 964/-1 876/-1 789/-1 701/-1 613/-1 526/-1 438/-1 350/-1 263/-1 175/-1 87/-1 I think i meant 87, instead of 75.
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