cpufreq-aperf

Calculate the average CPU frequency over a time period.

Requires root privileges.

• 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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