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<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif";color:#7030A0">Forward to public group<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif";color:#7030A0"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:9.0pt;font-family:"HP Simplified","sans-serif";color:black">Best Regards,<br>
</span></b><span lang="EN-US" style="font-size:9.0pt;font-family:"HP Simplified","sans-serif";color:#717172">Jason Liao</span><span lang="EN-US" style="color:#7030A0"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif";color:#7030A0"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left"><b><span lang="EN-US" style="font-size:11.0pt">From:</span></b><span lang="EN-US" style="font-size:11.0pt"> Liao, Chuan (Jason Liao, HPservers-Core-OE-PSC)
<br>
<b>Sent:</b> 2014</span><span style="font-size:11.0pt;font-family:SimSun">Äê</span><span lang="EN-US" style="font-size:11.0pt">4</span><span style="font-size:11.0pt;font-family:SimSun">ÔÂ</span><span lang="EN-US" style="font-size:11.0pt">1</span><span style="font-size:11.0pt;font-family:SimSun">ÈÕ</span><span lang="EN-US" style="font-size:11.0pt">
16:56<br>
<b>To:</b> 'Gilad Chaplik'<br>
<b>Cc:</b> Doron Fediuck; Vinod, Chegu; Liang, Shang-Chun (David Liang, HPservers-Core-OE-PSC); Shi, Xiao-Lei (Bruce, HP Servers-PSC-CQ); 'devel@ovirt.org'<br>
<b>Subject:</b> Discussion about NUMA feature and CPU pinning<o:p></o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Hi Gilad,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">When I define VdcActionType to manage Virtual NUMA node and pin Virtual NUMA node to host NUMA node.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">There are some operations in list:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">New Virtual NUMA node ( set vcpus count, set total memory )<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Pin Virtual NUMA node to host NUMA node ( save host NUMA node ID into Virtual NUMA node )<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Save a VM¡¯s all Virtual NUMA node<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:-21.0pt;mso-list:l0 level2 lfo2">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">a)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Calculate VM pin to host property from host NUMA node¡¯s host ID.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:-21.0pt;mso-list:l0 level2 lfo2">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">b)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Calculate VM NUMA tuning nodeset from all Virtual NUMA node¡¯s pin to host NUMA node ID.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:-21.0pt;mso-list:l0 level2 lfo2">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">c)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Calculate VM CPU pinning from all Virtual NUMA node¡¯s vcpus and related pin to host NUMA node cpus<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">e.g.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">host NUMA node 0 cpus 0, 1, 2, 3<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">host NUMA node 1 cpus 4, 5, 6, 7<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">host NUMA node 2 cpus 8, 9, 10, 11<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">host NUMA node 3 cpus 12, 13, 14, 15<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">virtual NUMA node 0 vcpus count 2<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">virtual NUMA node 1 vcpus count 2<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">pin virtual NUMA node 0 to host NUMA node 1<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">pin virtual NUMA node 1 to host NUMA node 3<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">b. Calculate result: 1,3<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:0cm"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">c. Calculate result: 0#4,5,6,7_1#4,5,6,7_2#12,13,14,15_3#12,13,14,15<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Discussion:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo4">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">Do we need these operations, especially method c. ?<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo4">
<![if !supportLists]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"HP Simplified","sans-serif"">If the answer is Yes, this operation will replace the Cpu pinning configuration from VM Cpu pining input, Do we need to notify the owner ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"HP Simplified","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:9.0pt;font-family:"HP Simplified","sans-serif";color:black">Best Regards,<br>
</span></b><span lang="EN-US" style="font-size:9.0pt;font-family:"HP Simplified","sans-serif";color:#717172">Jason Liao</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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