Re: [patch 3/3] Enable Aggressive Link Power management for AHCI controllers.

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Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> writes:

> Henrique de Moraes Holschuh wrote:
>> On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
>>> Setting		Effect
>>> ----------------------------------------------------------
>>> min_power	ALPM is enabled, and link set to enter 		lowest
>>> power state (SLUMBER) when idle
>>> 		Hot plug not allowed.
>>>
>>> max_performance	ALPM is disabled, Hot Plug is allowed
>>>
>>> medium_power	ALPM is enabled, and link set to enter
>>> 		second lowest power state (PARTIAL) when
>>> 		idle.  Hot plug not allowed.
>> Just some food for thought:
>> If you split it into a enable/disable (0/1) attribute, and a level
>> attribute
>
> on/off doesn't really make sense if the question is "do you favor power
> or do you favor performance".......

How about just making it a numeric scale with 0 meaning no power saving
and then some fixed number of levels (e.g 0-9)?

-- 
ilmari
"A disappointingly low fraction of the human race is,
 at any given time, on fire." - Stig Sandbeck Mathisen
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