[libvirt] [Question] qemu cpu pinning

[KAMEZAWA Hiroyuki]

On Tue, 21 Jun 2011 12:59:32 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com> wrote:

> Thread 25727 has no limitation. 
> 
> Is this an expected behavior and I need more setting in XML definition ?
> 

I tested again, then...
[root at bluextal kamezawa]# cat /cgroup/cpuacct/libvirt/qemu/RHEL6/tasks
15702
15722
15723
15724

[root at bluextal kamezawa]# cat /proc/15722/status
Name:   vhost-15702
State:  S (sleeping)
Tgid:   15722
Pid:    15722
PPid:   2
TracerPid:      0
Uid:    0       0       0       0
Gid:    0       0       0       0
FDSize: 64
Groups:
Threads:        1
SigQ:   3/193032
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: ffffffffffffffff
SigCgt: 0000000000000000
CapInh: 0000000000000000
CapPrm: ffffffffffffffff
CapEff: ffffffffffffffff
CapBnd: ffffffffffffffff
Cpus_allowed:   ff
Cpus_allowed_list:      0-7
Mems_allowed:   00000000,00000003
Mems_allowed_list:      0-1
voluntary_ctxt_switches:        288
nonvoluntary_ctxt_switches:     1


The thread was not part of qemu...Hmm, a thread for virtio-net ?

Thanks,
-Kame