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From: "Francis Moreau" <francis.moro@gmail.com>
To: "Paolo Ornati" <ornati@fastwebnet.it>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Slower CPU frequency reported by the kernel
Date: Fri, 2 Feb 2007 15:03:31 +0100	[thread overview]
Message-ID: <38b2ab8a0702020603h480fc1dfm22267089341cbe0e@mail.gmail.com> (raw)
In-Reply-To: <20070202130408.05212b10@localhost>

On 2/2/07, Paolo Ornati <ornati@fastwebnet.it> wrote:
>
> You are using frequency scaling(*) and "/proc/cpuinfo" reflects the
> current speed.
>

ok, I didn't know about this.

>
> (*) =
> #
> # CPU Frequency scaling
> #
> CONFIG_CPU_FREQ=y
> CONFIG_CPU_FREQ_TABLE=y
> CONFIG_CPU_FREQ_DEBUG=y
> CONFIG_CPU_FREQ_STAT=m
> CONFIG_CPU_FREQ_STAT_DETAILS=y
> # CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
> CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y

it's seems that the cpu freq scaling depends on a user space tool.
Could you tell me how I can find if there're such tools installed on
my computer ?

thanks
-- 
Francis

  parent reply	other threads:[~2007-02-02 14:03 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-02 11:11 Francis Moreau
2007-02-02 12:04 ` Paolo Ornati
2007-02-02 13:14   ` Jesper Juhl
2007-02-02 13:48     ` Francis Moreau
2007-02-02 14:03   ` Francis Moreau [this message]
2007-02-02 14:20     ` Arjan van de Ven
2007-02-02 15:27       ` Francis Moreau
2007-02-02 14:33     ` Paolo Ornati
2007-02-02 15:31       ` Francis Moreau
2007-02-03 12:19 ` lnx.tmp
2007-02-03 12:42   ` Di, Wu
2007-02-06 18:38   ` Langsdorf, Mark
2007-02-07 10:40 ` Andi Kleen

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