Hi, may i think wrong, but currently i see low, small usage on isolated cores while they are not in use

 

thats my cpu pinning, so cores 2/10 up should be off while my VM's (which are assigned there) are off

 

 

now, when they are off i see some small usage all over, 1-3 %

 

 

now when i try to check what is running on them as sample

 

root@AlsServer:~# CORENUM=2
root@AlsServer:~# ps -e -o pid,psr,cpu,cmd | grep -E  "^[[:space:]][[:digit:]]+[[:space:]]+${CORENUM}"
 8681   2   - [kworker/2:2-wg-crypt-vpn]
root@AlsServer:~# CORENUM=3
root@AlsServer:~# ps -e -o pid,psr,cpu,cmd | grep -E  "^[[:space:]][[:digit:]]+[[:space:]]+${CORENUM}"
 7793   3   - [kworker/3:1-wg-crypt-vpn]
root@AlsServer:~# CORENUM=4
root@AlsServer:~# ps -e -o pid,psr,cpu,cmd | grep -E  "^[[:space:]][[:digit:]]+[[:space:]]+${CORENUM}"
root@AlsServer:~# CORENUM=5
root@AlsServer:~# ps -e -o pid,psr,cpu,cmd | grep -E  "^[[:space:]][[:digit:]]+[[:space:]]+${CORENUM}"
 5502   5   - [kworker/5:1H-events_highpri]
root@AlsServer:~# CORENUM=6
root@AlsServer:~# ps -e -o pid,psr,cpu,cmd | grep -E  "^[[:space:]][[:digit:]]+[[:space:]]+${CORENUM}"
 1303   6   - [kworker/6:1-wg-crypt-vpn]
 5501   6   - [kworker/6:1H-events_highpri]
root@AlsServer:~# CORENUM=7
root@AlsServer:~# ps -e -o pid,psr,cpu,cmd | grep -E  "^[[:space:]][[:digit:]]+[[:space:]]+${CORENUM}"
 5500   7   - [kworker/7:1H-events_highpri]
root@AlsServer:~# 

 

and so on ... same on the HT cores which are more likely in use.

 

am i wrong or did i miss something ?

In opposite thinking direction. If I pin some core to VM but those core were isolated. Then why Unraid can control it.

 

So this may be how we understand what isolated means.

true, of course my VM's are isolated to these cores too ;)

 

 

and im pretty sure before (cant remember when) its been like always 0 % usage on the cores which where not assigned to unraid

current state, cpu usage i could find on the isolated cores are

 

7300 11 - [kworker/11:1-xfs-conv/nvme1n1p1]

5502   5   - [kworker/5:1H-events_highpri]

8681   2   - [kworker/2:2-wg-crypt-vpn]

 

so the question is, is this normal to see as sample these processes running on isolated cores ?