Re: [gentoo-user] cpufrequtils can't find expected /sys/devices/system/cpu/cpufreq

[Neil Bothwick]

On Thu, 24 Apr 2014 11:28:34 +0200, Joost Roeleveld wrote:

> > /sys/devices/system/cpu/cpufreq does not exist but
> > /sys/devices/system/cpu/cpu{0..3}/cpufreq do
>
> Strange, on my system it does exist:
>
> When going through the CPUFREQ options in menuconfig, the following
> option mentions a "boost" entry:
> **********
> CONFIG_X86_ACPI_CPUFREQ_CPB:
> The powernow-k8 driver used to provide a sysfs knob called
> "cpb" to disable the Core Performance Boosting feature of AMD CPUs.
> This file has now been superseeded by the more generic "boost"
> entry.
>
> By enabling this option the acpi_cpufreq driver provides the
> old entry in addition to the new boost ones, for compatibility
> reasons.

I don't have the directory even on systems with this kernel option
enabled, it must be something else.


-- 
Neil Bothwick

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