====== performance ======

Wiht Proxmox 9 and latest D13 kernel CPU cannot reach maximum frequency (4,5GHz):

<code bash>
root@pve:~# cat /proc/cpuinfo | grep "cpu MHz"
cpu MHz         : 2395.629
cpu MHz         : 2395.605
cpu MHz         : 1916.467
cpu MHz         : 1916.465
cpu MHz         : 1916.401
cpu MHz         : 1916.437
cpu MHz         : 1916.475
cpu MHz         : 1916.385
cpu MHz         : 2395.595
cpu MHz         : 2395.472
cpu MHz         : 2395.575
cpu MHz         : 2395.614
cpu MHz         : 2395.442
cpu MHz         : 2395.590
cpu MHz         : 2395.630
cpu MHz         : 2395.614
</code>


Solution:
<code>GRUB_CMDLINE_LINUX_DEFAULT="quiet amd_pstate=passive"</code>