CPU question

[Pilat]

Why/usr/bin/kvm uses 8 % CPU, but in the list of processor kernels zero loading? What means "CPU 8 %"?

proxmox2:~# top -n 10 -c
top - 16:35:49 up 7 days, 13:38, 1 user, load average: 0.01, 0.00, 0.00
Tasks: 175 total, 1 running, 174 sleeping, 0 stopped, 0 zombie
Cpu0 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu4 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu5 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu6 : 0.3%us, 0.0%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu7 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 24640012k total, 24131584k used, 508428k free, 279920k buffers
Swap: 24117240k total, 0k used, 24117240k free, 22806816k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
17280 root 20 0 1139m 184m 1680 S 8 0.8 5:54.95 /usr/bin/kvm -monitor unix:/var/run/qemu-server/117.mon,server,nowait -v
1 root 20 0 10316 756 620 S 0 0.0 0:03.79 init [2]
2 root 20 0 0 0 0 S 0 0.0 0:00.00 [kthreadd]

 

[dietmar]

I suggest you look into the 'top' source code.