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cpufreq-info - Utility to retrieve cpufreq kernel information


cpufreq-info [options]


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


-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.


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

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

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