powerd effectiveness

[Matthew Seaman]

Mike Jakubik wrote:
> 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 at 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.

Only vaguely apropos, but take a look at sysutils/fvcool which can
help reduce the power consumption on Athlons quite effectively.

	Cheers,

	Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.                       7 Priory Courtyard
                                                      Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey         Ramsgate
                                                      Kent, CT11 9PW
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 254 bytes
Desc: OpenPGP digital signature
Url : http://lists.freebsd.org/pipermail/freebsd-stable/attachments/20060112/0cfbe85a/signature.bin