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tldr/pages/linux/cpufreq-info.md

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cpufreq-info

A tool to show CPU frequency information.

  • Show CPU frequency information for all CPUs:

cpufreq-info

  • Show CPU frequency information for the specified CPU:

cpufreq-info -c {{cpu_number}}

  • Show the allowed minimum and maximum CPU frequency:

cpufreq-info -l

  • Show the current minimum and maximum CPU frequency and policy in table format:

cpufreq-info -o

  • Show available CPU frequency policies:

cpufreq-info -g

  • Show current CPU work frequency in a human-readable format, according to the cpufreq kernel module:

cpufreq-info -f -m

  • Show current CPU work frequency in a human-readable format, by reading it from hardware (only available to root):

sudo cpufreq-info -w -m