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