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cpufreq-info

Langue: en

Version: 370823 (fedora - 01/12/10)

Section: 1 (Commandes utilisateur)

NAME

cpufreq-info - Utility to retrieve cpufreq kernel information

SYNTAX

cpufreq-info [options]

DESCRIPTION

A small tool which prints out cpufreq information helpful to developers and interested users.

OPTIONS

-c --cpu <CPU>

 <CPU> number which information shall be determined about.
-e --debug
Prints out debug information.
-f --freq
Get frequency the CPU currently runs at, according to the cpufreq core.
-w --hwfreq
Get frequency the CPU currently runs at, by reading it from hardware (only available to root).
-l --hwlimits
Determine the minimum and maximum CPU frequency allowed.
-d --driver
Determines the used cpufreq kernel driver.
-p --policy
Gets the currently used cpufreq policy.
-g --governors
Determines available cpufreq governors.
-a --related-cpus
Determines which CPUs run at the same hardware frequency.
-a --affected-cpus
Determines which CPUs need to have their frequency coordinated by software.
-s --stats
Shows cpufreq statistics if available.
-y --latency
Determines the maximum latency on CPU frequency changes.
-o --proc
Prints out information like provided by the /proc/cpufreq interface in 2.4. and early 2.6. kernels.
-m --human
human-readable output for the -f, -w, -s and -y parameters.
-h --help
Prints out the help screen.

REMARKS

You can't specify more than one of the output specific options -o -e -a -g -p -d -l -w -f -y.

You also can't specify the -o option combined with the -c option.

FILES

 /sys/devices/system/cpu/cpu*/cpufreq/  
 /proc/cpufreq (deprecated) 
 /proc/sys/cpu/ (deprecated)
 

AUTHORS

 Dominik Brodowski <linux@brodo.de> - author 
 Mattia Dongili<malattia@gmail.com> - first autolibtoolization
 

SEE ALSO

cpufreq-set(1)

Qu'y a-t-il de plus beau qu'un arbre au printemps, à part peut-être
un cerf chantant "Stranger in the night" au clair de lune avec des
guêtres ?
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