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Wim ten Have 74119a03f1 numa: describe siblings distances within cells 
Add support for describing NUMA distances in a domain's <numa> <cell>
XML description.

Below is an example of a 4 node setup:

  <cpu>
    <numa>
      <cell id='0' cpus='0-3' memory='2097152' unit='KiB'>
        <distances>
          <sibling id='0' value='10'/>
          <sibling id='1' value='21'/>
          <sibling id='2' value='31'/>
          <sibling id='3' value='21'/>
        </distances>
      </cell>
      <cell id='1' cpus='4-7' memory='2097152' unit='KiB'>
        <distances>
          <sibling id='0' value='21'/>
          <sibling id='1' value='10'/>
          <sibling id='2' value='21'/>
          <sibling id='3' value='31'/>
        </distances>
      </cell>
      <cell id='2' cpus='8-11' memory='2097152' unit='KiB'>
        <distances>
          <sibling id='0' value='31'/>
          <sibling id='1' value='21'/>
          <sibling id='2' value='10'/>
          <sibling id='3' value='21'/>
        </distances>
      <cell id='3' cpus='12-15' memory='2097152' unit='KiB'>
        <distances>
          <sibling id='0' value='21'/>
          <sibling id='1' value='31'/>
          <sibling id='2' value='21'/>
          <sibling id='3' value='10'/>
        </distances>
      </cell>
    </numa>
  </cpu>

A <cell> defines a NUMA node. <distances> describes the NUMA distance
from the <cell> to the other NUMA nodes (the <sibling>s).  For example,
in above XML description, the distance between NUMA node0 <cell id='0'
...> and NUMA node2 <sibling id='2' ...> is 31.

Valid distance values are '10 <= value <= 255'.  A distance value of 10
represents the distance to the node itself.  A distance value of 20
represents the default value for remote nodes but other values are
possible depending on the physical topology of the system.

When distances are not fully described, any missing sibling distance
values will default to 10 for local nodes and 20 for remote nodes.

If distance is given for A -> B, then we default B -> A to the same
value instead of 20.

Signed-off-by: Wim ten Have <wim.ten.have@oracle.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
2017-11-12 19:39:00 -07:00
..
api_extension
devhelp Use https:// links for most sites 2017-10-16 10:22:34 +01:00
fonts docs: Add monospaced Overpass fonts 2016-11-21 13:15:12 +01:00
html
internals Use https:// links for most sites 2017-10-16 10:22:34 +01:00
js docs: rewrite content on front page to be more useful 2016-11-11 12:15:05 +00:00
logos docs: add master SVG for libvirt logo 2016-11-11 09:31:10 +00:00
schemas numa: describe siblings distances within cells 2017-11-12 19:39:00 -07:00
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formatdomain.html.in numa: describe siblings distances within cells 2017-11-12 19:39:00 -07:00
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formatnetwork.html.in docs: switch to using HTML5 doctype declaration 2017-08-02 17:00:11 +01:00
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libvirt-daemon-arch.fig
libvirt-daemon-arch.png
libvirt-driver-arch.fig
libvirt-driver-arch.png
libvirt-object-model.fig
libvirt-object-model.png
libvirt-virConnect-example.fig
libvirt-virConnect-example.png
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main.css docs: make website responsive for mobile devices 2017-08-07 14:44:40 +01:00
Makefile.am Remove backslash alignment attempts 2017-11-03 13:24:12 +01:00
manifest.json docs: Fix syntax-check error 2017-08-02 15:00:28 -04:00
migration-managed-direct.fig
migration-managed-direct.png
migration-managed-p2p.fig
migration-managed-p2p.png
migration-native.fig
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migration-tunnel.fig
migration-tunnel.png
migration-unmanaged-direct.fig
migration-unmanaged-direct.png
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node.fig
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wrapstring.xsl