The pinning seems to have done what you asked for, but you probably want to confine your vCPUs to NUMA nodes.
Cheers, Arne > On 15 Dec 2015, at 16:12, Satish Patel <[email protected]> wrote: > > Sorry forgot to reply all :) > > This is what i am getting > > [root@compute-1 ~]# virsh vcpupin instance-00000043 > VCPU: CPU Affinity > ---------------------------------- > 0: 2-3,6-7 > 1: 2-3,6-7 > > > Following numa info > > [root@compute-1 ~]# numactl --hardware > available: 2 nodes (0-1) > node 0 cpus: 0 3 5 6 > node 0 size: 2047 MB > node 0 free: 270 MB > node 1 cpus: 1 2 4 7 > node 1 size: 2038 MB > node 1 free: 329 MB > node distances: > node 0 1 > 0: 10 20 > 1: 20 10 > > On Tue, Dec 15, 2015 at 8:36 AM, Arne Wiebalck <[email protected]> wrote: >> The pinning we set up goes indeed into the <cputune> block: >> >> —> >> <vcpu placement='static'>32</vcpu> >> <cputune> >> <shares>32768</shares> >> <vcpupin vcpu='0' cpuset='0-7,16-23'/> >> <vcpupin vcpu='1' cpuset='0-7,16-23'/> >> … >> <— >> >> What does “virsh vcpupin <domain>” give for your instance? >> >> Cheers, >> Arne >> >> >>> On 15 Dec 2015, at 13:02, Satish Patel <[email protected]> wrote: >>> >>> I am running JUNO version with qemu-kvm-ev-2.1.2-23.el7_1.9.1.x86_64 >>> on CentOS7.1 >>> >>> I am trying to configure CPU pinning because my application is cpu >>> hungry. this is what i did. >>> >>> in /etc/nova/nova.conf >>> >>> vcpu_pin_set=2,3,6,7 >>> >>> >>> I have created aggregated host with pinning=true and created flavor >>> with pinning, after that when i start VM on Host following this i can >>> see in guest >>> >>> ... >>> ... >>> <vcpu placement='static' cpuset='2-3,6-7'>2</vcpu> >>> ... >>> ... >>> >>> But i am not seeing any <cputune> info. >>> >>> Just want to make sure does my pinning working correctly or something >>> is wrong. How do i verify my pinning config is correct? >>> >>> _______________________________________________ >>> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >>> Post to : [email protected] >>> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> >> -- >> Arne Wiebalck >> CERN IT >> -- Arne Wiebalck CERN IT _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : [email protected] Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
