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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-18 09:16:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-18 09:16:57 -0700
commit714af0693863dfb6f075f4465053976d2d076a21 (patch)
tree4da5efd5b229611cdee6a503dbae090adff3edf0 /Documentation
parenta03fdb7612874834d6847107198712d18b5242c7 (diff)
parentf0adb134d8dc9993a9998dc50845ec4f6ff4fadc (diff)
downloadop-kernel-dev-714af0693863dfb6f075f4465053976d2d076a21.zip
op-kernel-dev-714af0693863dfb6f075f4465053976d2d076a21.tar.gz
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] Fix NULL ptr regression in powernow-k8 [CPUFREQ] Create a blacklist for processors that should not load the acpi-cpufreq module. [CPUFREQ] Powernow-k8: Enable more than 2 low P-states [CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP call (second call site) [CPUFREQ] ondemand - Use global sysfs dir for tuning settings [CPUFREQ] Introduce global, not per core: /sys/devices/system/cpu/cpufreq [CPUFREQ] Bail out of cpufreq_add_dev if the link for a managed CPU got created [CPUFREQ] Factor out policy setting from cpufreq_add_dev [CPUFREQ] Factor out interface creation from cpufreq_add_dev [CPUFREQ] Factor out symlink creation from cpufreq_add_dev [CPUFREQ] cleanup up -ENOMEM handling in cpufreq_add_dev [CPUFREQ] Reduce scope of cpu_sys_dev in cpufreq_add_dev [CPUFREQ] update Doc for cpuinfo_cur_freq and scaling_cur_freq
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cpu-freq/user-guide.txt9
1 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/cpu-freq/user-guide.txt b/Documentation/cpu-freq/user-guide.txt
index 5d5f5fa..2a5b850 100644
--- a/Documentation/cpu-freq/user-guide.txt
+++ b/Documentation/cpu-freq/user-guide.txt
@@ -176,7 +176,9 @@ scaling_governor, and by "echoing" the name of another
work on some specific architectures or
processors.
-cpuinfo_cur_freq : Current speed of the CPU, in KHz.
+cpuinfo_cur_freq : Current frequency of the CPU as obtained from
+ the hardware, in KHz. This is the frequency
+ the CPU actually runs at.
scaling_available_frequencies : List of available frequencies, in KHz.
@@ -196,7 +198,10 @@ related_cpus : List of CPUs that need some sort of frequency
scaling_driver : Hardware driver for cpufreq.
-scaling_cur_freq : Current frequency of the CPU, in KHz.
+scaling_cur_freq : Current frequency of the CPU as determined by
+ the governor and cpufreq core, in KHz. This is
+ the frequency the kernel thinks the CPU runs
+ at.
If you have selected the "userspace" governor which allows you to
set the CPU operating frequency to a specific value, you can read out
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