[libvirt] [PATCH v5 0/2] List only online cpus for vcpupin/emulatorpin when vcpu placement static

[Nitesh Konkar]

Polite ping.

Thanks,
Nitesh.



On Fri, Nov 25, 2016 at 2:53 PM, Nitesh Konkar <
niteshkonkar.libvirt at gmail.com> wrote:

> Currently when the vcpu placement is static and
> cpuset is not specified, CPU Affinity shows 0..
> CPUMAX. This patchset will result in display of
> only online CPU's under CPU Affinity on linux.
>
> Fixes the following Bug:
>
> virsh dumpxml Fedora
>
> <domain type='kvm' id='4'>
>   <name>Fedora</name>
>   <uuid>aecf3e5e-6f9a-42a3-9d6a-223a75569a66</uuid>
>   <maxMemory slots='32' unit='KiB'>3145728</maxMemory>
>   <memory unit='KiB'>524288</memory>
>   <currentMemory unit='KiB'>524288</currentMemory>
>   <vcpu placement='static' current='8'>160</vcpu>
>   <resource>
>     <partition>/machine</partition>
>   </resource>
>  .....................
> .......................
> .........................
>     <memballoon model='virtio'>
>       <alias name='balloon0'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x06'
> function='0x0'/>
>     </memballoon>
>   </devices>
>   <seclabel type='dynamic' model='dac' relabel='yes'>
>     <label>+0:+0</label>
>     <imagelabel>+0:+0</imagelabel>
>   </seclabel>
> </domain>
>
> lscpu
> Architecture:          x86_64
> CPU op-mode(s):        32-bit, 64-bit
> Byte Order:            Little Endian
> CPU(s):                8
> On-line CPU(s) list:   0-2,4-7
> Off-line CPU(s) list:  3
> Thread(s) per core:    1
> Core(s) per socket:    7
> Socket(s):             1
> ..........
> ..........
> NUMA node0 CPU(s):     0-2,4-7
> NUMA node1 CPU(s):
>
> cat /sys/devices/system/cpu/online
> 0-2,4-7
>
> Before Patch
>
> virsh vcpupin Fedora
>
> VCPU: CPU Affinity
> ----------------------------------
>    0: 0-7
>    1: 0-7
> ...
> ...
>  158: 0-7
>  159: 0-7
>
> virsh emulatorpin Fedora
> emulator: CPU Affinity
> ----------------------------------
>        *: 0-7
>
>
> After  Patch
>
> virsh vcpupin Fedora
>
> VCPU: CPU Affinity
> ----------------------------------
>    0: 0-2,4-7
>    1: 0-2,4-7
> ...
> ...
>  158: 0-2,4-7
>  159: 0-2,4-7
>
> virsh emulatorpin Fedora
> emulator: CPU Affinity
> ----------------------------------
>        *: 0-2,4-7
>
> Nitesh Konkar (2):
>   conf: List only online cpus for virsh vcpupin
>   conf: List only online cpus for virsh emulatorpin
>
>  src/conf/domain_conf.c | 6 ++++++
>  src/qemu/qemu_driver.c | 5 +++++
>  2 files changed, 11 insertions(+)
>
> --
> 2.1.0
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/libvir-list/attachments/20161205/71e89c72/attachment-0001.htm>