alturismo Posted March 13, 2021 Share Posted March 13, 2021 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 ? 1 Quote Link to comment
Vr2Io Posted March 13, 2021 Share Posted March 13, 2021 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. Quote Link to comment
alturismo Posted March 13, 2021 Author Share Posted March 13, 2021 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 Quote Link to comment
alturismo Posted March 14, 2021 Author Share Posted March 14, 2021 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 ? Quote Link to comment
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