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GNU/Linux |
Debian 4.0(Etch) |
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cpufreq-info(1) |
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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 users.
−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 −−affected−cpus
Determines which CPUs can only switch frequency at the same time.
−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 and −w parameters.
−h −−help
Prints out the help screen.
You cant
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.
/sys/devices/system/cpu/cpu*/cpufreq/
/proc/cpufreq (deprecated)
/proc/sys/cpu/ (deprecated)
Dominik
Brodowski <linux@brodo.de> − author
Mattia Dongili<malattia@gmail.com> − first
autolibtoolization
cpufreq−set(1)
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cpufreq-info(1) | |