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Re: [libvirt] PATCH: 0/3: Run QEMU guests within a CGroup



Hello Daniel,
I'd like to ask, what is the progres of qemu cgroups support?
are there any problems preventing it from getting into git?
It would be a great feature to have...
thanks a lot for reply in advance
with best regards
nik



On Thu, Feb 26, 2009 at 04:36:10PM +0000, Daniel P. Berrange wrote:
> Recent Linux kernels have a new concept of 'CGroups' which is a way to
> group tasks on the system and apply policy to them as a whole. We already
> use this in the LXC container driver, to control total memory usage of
> things runing within a container.
> 
> This patch series is a proof of concept to make use of CGroups in the
> QEMU driver. The idea is that we have a 3 level cgroup hierarchy
> 
>  - Top level; contains the libvirtd daemon itself
>  - 2nd level: one per libvirt driver, but dos not contain any
>               processes.
>  - 3rd level: one per guest VM. Contains the QEMU process
> 
> 
> The host admin can do control on the top level and 2nd  level to set an
> overall system policy. libvirt will then provide APIs / capabilities to
> control individual VMs policy.
> 
> Daniel
> -- 
> |: Red Hat, Engineering, London   -o-   http://people.redhat.com/berrange/ :|
> |: http://libvirt.org  -o-  http://virt-manager.org  -o-  http://ovirt.org :|
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> |: GnuPG: 7D3B9505  -o-  F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|
> 
> --
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> https://www.redhat.com/mailman/listinfo/libvir-list
> 

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