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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-29 11:18:49 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-29 11:18:49 -0400
commit44473d991332053eb3fea1e08f8a6ee2c6fb409c (patch)
tree3f1ace2e7e6d3917870c6c0e91ffa1899f01a326 /Documentation
parentbd5d435a96837c3495e62eef37cbe4cb728b79ae (diff)
parent6501faf8c1bbaa51dc493f3681df016d2ebce833 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] state info wrong after resume [CPUFREQ] allow use of the powersave governor as the default one [CPUFREQ] document the currently undocumented parts of the sysfs interface [CPUFREQ] expose cpufreq coordination requirements regardless of coordination mechanism
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cpu-freq/user-guide.txt14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/cpu-freq/user-guide.txt b/Documentation/cpu-freq/user-guide.txt
index af3b925ece08..6c442d8426b5 100644
--- a/Documentation/cpu-freq/user-guide.txt
+++ b/Documentation/cpu-freq/user-guide.txt
@@ -154,6 +154,11 @@ scaling_governor, and by "echoing" the name of another
154 that some governors won't load - they only 154 that some governors won't load - they only
155 work on some specific architectures or 155 work on some specific architectures or
156 processors. 156 processors.
157
158cpuinfo_cur_freq : Current speed of the CPU, in KHz.
159
160scaling_available_frequencies : List of available frequencies, in KHz.
161
157scaling_min_freq and 162scaling_min_freq and
158scaling_max_freq show the current "policy limits" (in 163scaling_max_freq show the current "policy limits" (in
159 kHz). By echoing new values into these 164 kHz). By echoing new values into these
@@ -162,6 +167,15 @@ scaling_max_freq show the current "policy limits" (in
162 first set scaling_max_freq, then 167 first set scaling_max_freq, then
163 scaling_min_freq. 168 scaling_min_freq.
164 169
170affected_cpus : List of CPUs that require software coordination
171 of frequency.
172
173related_cpus : List of CPUs that need some sort of frequency
174 coordination, whether software or hardware.
175
176scaling_driver : Hardware driver for cpufreq.
177
178scaling_cur_freq : Current frequency of the CPU, in KHz.
165 179
166If you have selected the "userspace" governor which allows you to 180If you have selected the "userspace" governor which allows you to
167set the CPU operating frequency to a specific value, you can read out 181set the CPU operating frequency to a specific value, you can read out