22.04 performance

[Ralf Mardorf]

On Wed, 2022-09-28 at 14:42 -0400, Jerry Geis wrote:
> echo performance | sudo tee
> /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor -> shows
> performance

It shows the output of "echo", not the status. To get the status running

  cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

might work.

> But the cpu is still 
> cpu MHz : 2800.000
> sometimes its 1200.
> 
> Which may be the normal max 
> model name : Intel(R) Core(TM) i9-7960X CPU @ 2.80GHz
> 
> How do I get the boost 3400 ?

There's an Arch Wiki in progress. It might be a starting point even for
Ubuntu:

https://wiki.archlinux.org/title/CPU_frequency_scaling#Scaling_drivers
https://wiki.archlinux.org/title/CPU_frequency_scaling#Configuring_frequency_boosting