22.04 performance

[Ralf Mardorf]

PS:
> On Wed, 2022-09-28 at 14:42 -0400, Jerry Geis wrote:
> > Which may be the normal max 
> > model name : Intel(R) Core(TM) i9-7960X CPU @ 2.80GHz

"Max Turbo Frequency
4.20 GHz
Intel® Turbo Boost Max Technology 3.0 Frequency ‡
4.40 GHz
Processor Base Frequency
2.80 GHz" -
 https://www.intel.com/content/www/us/en/products/sku/126697/intel-core-i97960x-xseries-processor-22m-cache-up-to-4-20-ghz/specifications.html

Monitoring should be possible by running 

  watch -n2 cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq