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<p class="MsoNormal">Hello Folks,<o:p></o:p></p>
<p class="MsoNormal">Thanks to Chris Friesen for point this out, but we believe the issues you are experiencing is due to the requirement for guests to be backed by huge pages to operate with OVS-DPDK vhost-user based ports/interfaces. The master (default)
behavior for the latest nova will default to 4K pages for the guest, but this is not compatible with OVS-DPDK. The guests must be configured to use a
<i>flavor</i> that has the property <i>hw:mem_page_size=large</i> set.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">You can follow this link to read more about the requirements on the guests for OVS-DPDK:<o:p></o:p></p>
<p class="MsoNormal"><a href="https://docs.openstack.org/neutron/rocky/admin/config-ovs-dpdk.html">https://docs.openstack.org/neutron/rocky/admin/config-ovs-dpdk.html</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">“vhost-user requires file descriptor-backed shared memory. Currently, the only way to request this is by requesting large pages. This is why instances spawned on hosts with OVS-DPDK must request large pages”.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hope this helps.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-Matt <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">"Xu, Chenjie" <chenjie.xu@intel.com><br>
<b>Date: </b>Tuesday, April 2, 2019 at 11:48 PM<br>
<b>To: </b>"Peters, Matt" <Matt.Peters@windriver.com>, "Liu, ZhipengS" <zhipengs.liu@intel.com>, "He, Yongli" <yongli.he@intel.com><br>
<b>Cc: </b>"'starlingx-discuss@lists.starlingx.io'" <starlingx-discuss@lists.starlingx.io>, Ghada Khalil <Ghada.Khalil@windriver.com>, "Zhao, Forrest" <forrest.zhao@intel.com>, Brent Rowsell <Brent.Rowsell@windriver.com>, "Gauld, James" <James.Gauld@windriver.com>,
"Le, Huifeng" <huifeng.le@intel.com>, "Martinez Monroy, Elio" <elio.martinez.monroy@intel.com>, "Perez, Ricardo O" <ricardo.o.perez@intel.com>, "Cabrales, Ada" <ada.cabrales@intel.com>, "Lin, Shuicheng" <shuicheng.lin@intel.com><br>
<b>Subject: </b>RE: [Starlingx-discuss] OVS-DPDK Upgrade Testing<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Hi Matt,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Zhipeng is working on “PCI Affinity dependency on Nova NUMA topology”. This may relate to BUG “VM can't send packet through vhostuser port due to missing numa settings in domain
xml”:</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">
<a href="https://bugs.launchpad.net/starlingx/+bug/1820378">https://bugs.launchpad.net/starlingx/+bug/1820378</a></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">According to him, after cutting over to nova master, the NUMA topology and PCI device info has been removed from nova. Before nova master, StarlingX uses nova stage which has NUMA
topology. Some detailed information are listed below:</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D"> • PCI Affinity dependency on Nova NUMA topology - Zhipeng</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">o This affinity agent could not get both pci_device info and numa info of server from nova.</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">o In nova stage version, we added below two for server.</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">o server["wrs-res:topology"]
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">o server["wrs-res:pci_devices"]
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">o In nova master, no these attributions for server.
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">o For topology, I can see that there is a patch of adding numa topology pending for merge</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">o
<a href="https://review.openstack.org/#/c/621476">https://review.openstack.org/#/c/621476</a> Add server sub-resource topology API</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">o Next step - Zhipeng to investigate alternative implementations that don't have dependencies on Nova.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Best Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Xu, Chenjie</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><a name="_____replyseparator"></a><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Khalil, Ghada [mailto:Ghada.Khalil@windriver.com]
<br>
<b>Sent:</b> Tuesday, April 2, 2019 11:50 PM<br>
<b>To:</b> Xu, Chenjie <chenjie.xu@intel.com>; Martinez Monroy, Elio <elio.martinez.monroy@intel.com>; Peters, Matt <Matt.Peters@windriver.com>; Lin, Shuicheng <shuicheng.lin@intel.com>; Cabrales, Ada <ada.cabrales@intel.com>; Perez, Ricardo O <ricardo.o.perez@intel.com><br>
<b>Cc:</b> 'starlingx-discuss@lists.starlingx.io' <starlingx-discuss@lists.starlingx.io>; Zhao, Forrest <forrest.zhao@intel.com>; Rowsell, Brent <Brent.Rowsell@windriver.com>; Gauld, James <James.Gauld@windriver.com><br>
<b>Subject:</b> RE: [Starlingx-discuss] OVS-DPDK Upgrade Testing</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Thanks Chenjie. </span>
<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Can you please run the following on your compute nodes and attach the output?</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">sudo lscpu<br>
sudo virsh capabilities</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Richardo / Juan P, </span>
<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Please provide the cpu models and the above output from your two hardware systems as well.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Thanks,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Ghada</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Xu, Chenjie [<a href="mailto:chenjie.xu@intel.com">mailto:chenjie.xu@intel.com</a>]
<br>
<b>Sent:</b> Tuesday, April 02, 2019 2:55 AM<br>
<b>To:</b> Khalil, Ghada; Martinez Monroy, Elio; Peters, Matt; Lin, Shuicheng; Cabrales, Ada; Perez, Ricardo O<br>
<b>Cc:</b> 'starlingx-discuss@lists.starlingx.io'; Zhao, Forrest; Rowsell, Brent<br>
<b>Subject:</b> RE: [Starlingx-discuss] OVS-DPDK Upgrade Testing</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Hi Ghada,</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:15.75pt;text-indent:-15.75pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Compute-0 and compute-1 don’t have skylake processors. The processors both are:<br>
Intel(R) Xeon(R) CPU E5-2680 0 @ 2.70GHz</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:15.75pt;text-indent:-15.75pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:15.75pt;text-indent:-15.75pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Compute-0 and compute-1’s server model both are:<br>
Manufacturer: Intel Corporation</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D"> Product Name: S2600JF</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Sub-NUMA Clustering doesn’t exist in my BIOS. Only NUMA Optimized exists. An image for “Memory RAS and Performance Configuration” has been attached.
</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Best Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Xu, Chenjie</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Khalil, Ghada [<a href="mailto:Ghada.Khalil@windriver.com">mailto:Ghada.Khalil@windriver.com</a>]
<br>
<b>Sent:</b> Tuesday, April 2, 2019 6:52 AM<br>
<b>To:</b> Xu, Chenjie <<a href="mailto:chenjie.xu@intel.com">chenjie.xu@intel.com</a>>; Martinez Monroy, Elio <<a href="mailto:elio.martinez.monroy@intel.com">elio.martinez.monroy@intel.com</a>>; Peters, Matt <<a href="mailto:Matt.Peters@windriver.com">Matt.Peters@windriver.com</a>>;
Lin, Shuicheng <<a href="mailto:shuicheng.lin@intel.com">shuicheng.lin@intel.com</a>>; Cabrales, Ada <<a href="mailto:ada.cabrales@intel.com">ada.cabrales@intel.com</a>>; Perez, Ricardo O <<a href="mailto:ricardo.o.perez@intel.com">ricardo.o.perez@intel.com</a>><br>
<b>Cc:</b> 'starlingx-discuss@lists.starlingx.io' <<a href="mailto:starlingx-discuss@lists.starlingx.io">starlingx-discuss@lists.starlingx.io</a>>; Zhao, Forrest <<a href="mailto:forrest.zhao@intel.com">forrest.zhao@intel.com</a>>; Rowsell, Brent <<a href="mailto:Brent.Rowsell@windriver.com">Brent.Rowsell@windriver.com</a>><br>
<b>Subject:</b> RE: [Starlingx-discuss] OVS-DPDK Upgrade Testing</span><o:p></o:p></p>
</div>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Hi Chenjie,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Can you let us know the model of your server? Does it have skylake processors?</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Can you also double-check that you have Sub-NUMA Clustering disabled in the BIOS?</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">On a wolfpass, the BIOS setting is at:
</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Enter Setup</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">> Advanced</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> > Memory Configuration</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> > Memory RAS and Performance Configuration</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> Sub-NUMA Cluster <Disabled></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Thanks,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Ghada</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Xu, Chenjie [<a href="mailto:chenjie.xu@intel.com">mailto:chenjie.xu@intel.com</a>]
<br>
<b>Sent:</b> Wednesday, March 27, 2019 9:59 PM<br>
<b>To:</b> Martinez Monroy, Elio; Peters, Matt; Khalil, Ghada; Lin, Shuicheng; Cabrales, Ada; Perez, Ricardo O<br>
<b>Cc:</b> 'starlingx-discuss@lists.starlingx.io'; Zhao, Forrest; Rowsell, Brent<br>
<b>Subject:</b> RE: [Starlingx-discuss] OVS-DPDK Upgrade Testing</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Hi Matt,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">I run the following commands on compute-0. The outputs of commands have been attached.</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:15.75pt"><span style="font-size:10.5pt;color:#1F497D">sudo /usr/sbin/dmidecode > dmidecode.txt</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:15.75pt"><span style="font-size:10.5pt;color:#1F497D">virsh nodeinfo > nodeinfo.txt</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:15.75pt"><span style="font-size:10.5pt;color:#1F497D">/usr/bin/topology > topology.txt</span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:15.75pt"><span style="font-size:10.5pt;color:#1F497D">grep -i numa /var/log/dmesg > dmesg.txt</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">And the StarlingX is installed with standard 0322 ISO image:<br>
</span><span lang="EN-US"><a href="http://mirror.starlingx.cengn.ca/mirror/starlingx/master/centos/20190322T174230Z/outputs/iso/"><span style="font-size:10.5pt">http://mirror.starlingx.cengn.ca/mirror/starlingx/master/centos/20190322T174230Z/outputs/iso/</span></a></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Best Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;color:#1F497D">Xu, Chenjie</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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