Re: Fix for est/powernow 2 states bug

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02-18-2008, 09:20 AM

Ted Unangst

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Re: Fix for est/powernow 2 states bug

On 4/20/07, Gordon Willem Klok <gklok@cogeco.ca> wrote:
> As I mentioned in the mp setperf mail there is a bug in est and powernow
> with regard to how they choose what state corresponds to which
> performance level requested by the user (or apmd on his or her behalf).
>
> This diff will choose which frequency to select based on calculations
> involving the number of states and not the frequencies of the states as
> on some systems this leads to odd behaviour such as this.
>
> sysclt hw.setperf=0 lowest state
> sysctl hw.setperf=1-100 = highest state
>
> With this diff this behaviour would be corrected so that:
> sysctl hw.setperf=0-50 lowest state
> sysctl hw.setperf=50-100 highest state

totally. that is how setperf is supposed to work. i'm happy to see
you're not changing any files i wrote

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Re: Fix for est/powernow 2 states bug