Re: [numatune PATCH v2] Support NUMA tuning

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On Thu, May 12, 2011 at 06:22:49PM +0800, Osier Yang wrote:
> Hi, All
> 
> This series adopts Daniel's suggestion on v1, using libnuma but
> not invoking numactl to set the NUMA policy. Add support for
> "interleave" and "preferred" modes, except the "strict" mode
> supported in v1.
> 
> The new XML is like:
> 
> <numatune>
>   <memory model="interleave" nodeset="+0-4,8-12"/>
> <numatune>
> 
> I persist in using the numactl nodeset syntax to represent
> the "nodeset", as I think the purpose of adding NUMA tuning
> support is to provide the use for NUMA users, keeping the
> syntax same as numactl will make them feel better.

Compatibility with numactl syntax is an explicit non-goal.
numactl is just one platform specific impl.  Compatibility
with numactl syntax is of no interest to the ESX or VirtualBox
drivers. The libvirt NUMA syntax should be using other
existing libvirt XML as the design compatibility target.

Regards,
Daniel
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