cpu frequency scaling

Ralf Mardorf ralf.mardorf at alice-dsl.net
Sat Jun 18 15:21:12 UTC 2011


On Sat, 2011-06-18 at 09:59 -0400, Mike Holstein wrote:
> here is the next meeting agenda if one of you would like to add this
> issue there and come and get the wheels
> turning https://wiki.ubuntu.com/UbuntuStudio/Meetings/2011July3
> 
> 
> i suppose the first logical question is, *can* we physically address
> the CPU scaling issue, and it looks like its something that can be
> implemented with a script. the other reason why maybe this
> cant/shouldn't be done could be something to do with security or
> something else i am unaware of. would one of you like to check on
> this??

Security isn't an issue anymore, since policykit does make it secure. In
the past there was the need for SUID and this was a security issue. OTOH
even then SUID wasn't needed, asking for the password was a secure
possibility.

> the next question is *should* we do this. if the proposal is to set
> CPU governor to performance out of the box, i disagree. we cant assume
> that most folks using ubuntustudio are using it for audio production,
> nor can we assume most folks using ubuntustudio for audio production
> are using JACK. this does not mean im right, and that you cant push
> for having the CPU governor set to performance out of the box.

Sounds like a poll is needed.

>  i think a nice compromise would be a popup that asks the question
> (like gerhard suggested). this would need to be something simple, and
> something that does *not* look like there is a problem with the
> machine. my only thoughts on that are, if im a new ubuntustudio user,
> and a popup comes up talking about a CPU governor, am i going to know
> what that means? am i going to think something is wrong or broken?

+1

The popup could explain the reason why.





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