CPU Turbo mode

aurfalien aurfalien at gmail.com
Fri Nov 8 20:37:20 UTC 2013

On Oct 31, 2013, at 8:37 AM, Dan Nelson wrote:

> In the last episode (Oct 30), aurfalien said:
>> Hi all,
>> I've powerd enabled and see this message often when running powerd -v;
>> current freq 2201 MHz ( 0), wanted freq 4402 MHz
>> Were is the 4402 value gotten from, is it a turbo value and if so, why is
>> it not boosting?
> Depending on your settings, powerd will try and raise the clock rate at
> different rates based on system load.  4402 is simply double the current
> clock rate, which probably means your system is busy and powerd is trying to
> quickly raise the clock rate.  It doesn't bother capping the target value at
> the maximum, though, since it'll find out a bit later in the code when it
> actually tries to set a new clockrate and realizes that it's already at max.

I found that my CPU, while at 2.2GHz standard can boost to 2.7GHz.

However powerd never shows it at 2.7GHz.

Is there a way to some how get the turbo mode working in FreeBSD?

Its enabled in BIOS.

- aurf

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