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Enter a command. For example: kexec, tcpkill, vipw, dkms, hcitool.

cpufreq-aperf

Calculate the average CPU frequency over a time period. Requires root privileges. More information: https://manned.org/cpufreq-aperf.

• Start calculating, defaulting to all CPU cores and 1 second refresh interval:
   
  sudo cpufreq-aperf
   
• Start calculating for CPU 1 only:
   
  sudo cpufreq-aperf -c {{1}}
   
• Start calculating with a 3 second refresh interval for all CPU cores:
   
  sudo cpufreq-aperf -i {{3}}
   
• Calculate only once:
   
  sudo cpufreq-aperf -o