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Date:      Fri, 8 Nov 2013 17:08:26 -0700 (MST)
From:      Warren Block <wblock@wonkity.com>
To:        aurfalien <aurfalien@gmail.com>
Cc:        Dan Nelson <dnelson@allantgroup.com>, FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   Re: CPU Turbo mode
Message-ID:  <alpine.BSF.2.00.1311081704080.84892@wonkity.com>
In-Reply-To: <4A2AEF45-5185-4ED7-98BD-B6975C79A5B9@gmail.com>
References:  <70EC0F10-FAD0-4EA6-8C1F-A95B1C786B7B@gmail.com> <20131031153757.GG63947@dan.emsphone.com> <4A2AEF45-5185-4ED7-98BD-B6975C79A5B9@gmail.com>

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On Fri, 8 Nov 2013, aurfalien wrote:

>
> 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.

When it shows 2201, it's in Turbo mode.  I don't know if there is 
anywhere that shows the actual speed of the single core that is going 
faster.



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