<div dir="ltr">I think it creates 2 Virtual NUMA nodes on one single Physical NUMA node<div>If you see below cpu 0-1 are in one NUMA node and 2-3 are in the other.</div><div>This is what I can understand from the xml.<br><div><br></div><div><pre style="overflow:auto;padding:10px;color:rgb(85,85,85);line-height:1.2em;border:1px solid rgb(198,201,203);font-size:1.1em;margin-top:1.5em;margin-bottom:1.5em"><cell <span class="" style="color:rgb(187,96,213)">id</span><span class="" style="color:rgb(102,102,102)">=</span><span class="" style="color:rgb(64,112,160)">'0'</span> <span class="" style="color:rgb(187,96,213)">cpus</span><span class="" style="color:rgb(102,102,102)">=</span><span class="" style="color:rgb(64,112,160)">'0-1'</span> <span class="" style="color:rgb(187,96,213)">memory</span><span class="" style="color:rgb(102,102,102)">=</span><span class="" style="color:rgb(64,112,160)">'524288'</span>/>
    <cell <span class="" style="color:rgb(187,96,213)">id</span><span class="" style="color:rgb(102,102,102)">=</span><span class="" style="color:rgb(64,112,160)">'1'</span> <span class="" style="color:rgb(187,96,213)">cpus</span><span class="" style="color:rgb(102,102,102)">=</span><span class="" style="color:rgb(64,112,160)">'2-3'</span> <span class="" style="color:rgb(187,96,213)">memory</span><span class="" style="color:rgb(102,102,102)">=</span><span class="" style="color:rgb(64,112,160)">'524288'</span>/</pre></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 29 April 2015 at 10:36, Blair Bethwaite <span dir="ltr"><<a href="mailto:blair.bethwaite@gmail.com" target="_blank">blair.bethwaite@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi all,<br>
<br>
Just reading over the docs describing NUMA scheduler filter testing<br>
(<a href="http://docs.openstack.org/developer/nova/devref/testing/libvirt-numa.html#testing-instance-boot-with-1-numa-cell-requested" target="_blank">http://docs.openstack.org/developer/nova/devref/testing/libvirt-numa.html#testing-instance-boot-with-1-numa-cell-requested</a>).<br>
Somewhat confused by the scenario at the end, which seems to call for<br>
a guest with 1 NUMA node but looks like it gets created with 2... I'm<br>
obviously misunderstanding something in the resultant XML, but there's<br>
no topology info shown from inside the guest, so I'm not sure. Anyone<br>
tried this?<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Cheers,<br>
~Blairo<br>
<br>
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