From: David Woodfall <dave@dawoodfall.net>
To: linux-kernel@vger.kernel.org
Subject: Re: Problem with cpufreq and i5 since post 3.9.0
Date: Fri, 27 Dec 2013 19:53:50 +0000 [thread overview]
Message-ID: <20131227195350.GI17115@Blackswan> (raw)
In-Reply-To: <20131227194447.GA8188@fancy-poultry.org>
On (27/12/13 20:44), Heinz Diehl <htd@fancy-poultry.org> put forth the proposition:
>On 27.12.2013, David Woodfall wrote:
>
>> But any of the newer kernel versions I've tested only give me
>> performance and powersave.
>
>I don't use any Fedora kernel, so I can't tell which governors are
>enabled in those. You should check the value of "CONFIG_CPU_FREQ_GOV"
>in the respective .config file for your installed kernel.
>
>In short: It seems that only "performance" and "powersave" are
>compiled in.
No, I used the same .config in all versions that I tested. I've also
tried setting them as modules rather than built-in. This is the stock
slackware .config:
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=m
CONFIG_CPU_FREQ_GOV_COMMON=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
# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=m
CONFIG_CPU_FREQ_GOV_POWERSAVE=m
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=m
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
And modprobing any governor module does not change the output of
scaling_available_governors.
-Dave
next prev parent reply other threads:[~2013-12-27 19:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-27 18:59 Problem with cpufreq and i5 since post 3.9.0 David Woodfall
2013-12-27 19:44 ` Heinz Diehl
2013-12-27 19:53 ` David Woodfall [this message]
2013-12-28 0:09 ` David Woodfall
2013-12-28 0:50 ` Rafael J. Wysocki
2013-12-28 1:23 ` David Woodfall
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