From: Darrick J. Wong Date: Fri, 18 Apr 2008 20:31:13 +0000 (-0700) Subject: [CPUFREQ] document the currently undocumented parts of the sysfs interface X-Git-Tag: v2.6.26-rc1~371^2~2 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=605400a8ab44131698b206cbe253e48380daaa69;p=linux-2.6 [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 Cc: Venkatesh Pallipadi Signed-off-by: Andrew Morton Signed-off-by: Dave Jones --- diff --git a/Documentation/cpu-freq/user-guide.txt b/Documentation/cpu-freq/user-guide.txt index af3b925ece..6c442d8426 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 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