[CPUFREQ] document the currently undocumented parts of the sysfs interface
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>
diff --git a/Documentation/cpu-freq/user-guide.txt b/Documentation/cpu-freq/user-guide.txt
index af3b925..6c442d8 100644
--- a/Documentation/cpu-freq/user-guide.txt
+++ b/Documentation/cpu-freq/user-guide.txt
@@ -154,6 +154,11 @@
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 @@
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