linux-kernel - Re: cpufreq doesn't seem to work in Intel Q9300

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Message-ID: <20080811160346.GB21292@cs181140183.pp.htv.fi>
Date:	Mon, 11 Aug 2008 19:03:46 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	S K <nospamnoham@...il.com>, Zhao Yakui <yakui.zhao@...el.com>,
	Thomas Renninger <trenn@...e.de>,
	Alan Jenkins <alan-jenkins@...fmail.co.uk>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: cpufreq doesn't seem to work in Intel Q9300

On Mon, Aug 11, 2008 at 07:11:28AM -0700, Arjan van de Ven wrote:
>...
> so before you had for one second "20% expensive, 80% low power" 
> now you have for one second "20% expensive, 20% throttle power, 60% low
> power"
> 
> since throttle power is higher than low/idle power.. you lose.

So what is the intended use case?

Is it for people who bought an Intel Heating 4 but forgot to buy an 
appropriate cooling?

That sounds absurd.

There must be a reason why Intels CPUs support this throttling?

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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