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[CPUFREQ] document the currently undocumented parts of the sysfs interface

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There is a description of some of the sysfs files.  However, there are some
that are not mentioned in the documentation, so add them to the user's guide.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Darrick J. Wong 2008-04-18 13:31:13 -07:00 committed by Dave Jones
parent e8628dd06d
commit 605400a8ab
1 changed files with 14 additions and 0 deletions
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14
Documentation/cpu-freq/user-guide.txt
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@ -154,6 +154,11 @@ scaling_governor, and by "echoing" the name of another
that some governors won't load - they only
work on some specific architectures or
processors.
cpuinfo_cur_freq : Current speed of the CPU, in KHz.
scaling_available_frequencies : List of available frequencies, in KHz.
scaling_min_freq and
scaling_max_freq show the current "policy limits" (in
kHz). By echoing new values into these
@ -162,6 +167,15 @@ scaling_max_freq show the current "policy limits" (in
first set scaling_max_freq, then
scaling_min_freq.
affected_cpus : List of CPUs that require software coordination
of frequency.
related_cpus : List of CPUs that need some sort of frequency
coordination, whether software or hardware.
scaling_driver : Hardware driver for cpufreq.
scaling_cur_freq : Current frequency of the CPU, in KHz.
If you have selected the "userspace" governor which allows you to
set the CPU operating frequency to a specific value, you can read out