1
0
Fork 0
mirror of https://github.com/tldr-pages/tldr.git synced 2025-04-23 14:02:08 +02:00
tldr/pages/linux/cpufreq-aperf.md
2021-08-15 19:59:09 +02:00

21 lines
483 B
Markdown

# 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`