powerstat

Measures the power consumption of a computer that has a battery power source or supports the RAPL interface.

TLDR

Measure power with the default of 10 samples with an interval of 10 seconds

>_ powerstat
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Measure power with custom number of samples and interval duration

>_ powerstat [interval] [number_of_samples]
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Measure power using Intel's RAPL interface

>_ powerstat -R [interval] [number_of_samples]
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Show an histogram of the power measurements

>_ powerstat -H [interval] [number_of_samples]
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Enable all statistics gathering options

>_ powerstat -a [interval] [number_of_samples]
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