2018-01-08 12:02:34 +00:00
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# cpufreq-aperf
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> Calculate the average CPU frequency over a time period.
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> Requires root privileges.
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2021-07-09 15:45:55 +01:00
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> More information: <https://manned.org/cpufreq-aperf>.
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2018-01-08 12:02:34 +00:00
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- Start calculating, defaulting to all CPU cores and 1 second refresh interval:
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`sudo cpufreq-aperf`
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- Start calculating for CPU 1 only:
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`sudo cpufreq-aperf -c {{1}}`
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- Start calculating with a 3 seconds refresh interval for all CPU cores:
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`sudo cpufreq-aperf -i {{3}}`
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- Calculate only once:
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`sudo cpufreq-aperf -o`
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