Date: Thu, 12 Jan 2006 01:11:52 -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: <43C5F328.4030507@rogers.com> In-Reply-To: <200601121635.09835.doconnor@gsoft.com.au> References: <43C5A261.1020407@rogers.com> <200601121554.55657.doconnor@gsoft.com.au> <43C5EAB0.3090805@rogers.com> <200601121635.09835.doconnor@gsoft.com.au>
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Daniel O'Connor wrote: > Wow, that's weird, wish my AMD would do speeds like that :) > > As for your temperature observation - I have no idea sorry. It would appear > that powerd is doing the right thing but for some reason your CPU is not > benefiting. That said checking by measuring temperature is fraught with > complexity because there is probably a significant delay between a change in > power consumption and a corresponding chaange in heatsink temperature. > Actually, i took readings from the wrong box :P CPU: AMD Athlon(tm) Processor (1210.79-MHz 686-class CPU) acpi0: <ASUS A7V> on motherboard root@mail:~# sysctl dev.cpu. 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: 75 dev.cpu.0.freq_levels: 1215/-1 1139/-1 1063/-1 987/-1 911/-1 835/-1 759/-1 683/-1 607/-1 531/-1 455/-1 379/-1 303/-1 227/-1 151/-1 75/-1 Thats the correct one, it is 75mhz. I was suspecting hardwares limitations in terms of modulating the frequency quickly enough. Just wanted to make sure.
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