<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div><span>That was it. Really appreciate. I changed it correctly and it is working. </span></div><div><span><br></span></div><div><span>Thanks again for your help</span></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"><font size="2" face="Arial"> On Wednesday, January 24, 2018 1:20 PM, "Mooney, Sean K" <sean.k.mooney@intel.com> wrote:<br></font></div> <br><br> <div class="y_msg_container"><div id="yiv5366243845"><style>#yiv5366243845 #yiv5366243845 -- _filtered #yiv5366243845 {panose-1:2 4 5 3 5 4 6 3 2 4;} _filtered #yiv5366243845 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;} _filtered #yiv5366243845 {} #yiv5366243845 #yiv5366243845 p.yiv5366243845MsoNormal, #yiv5366243845 li.yiv5366243845MsoNormal, #yiv5366243845 div.yiv5366243845MsoNormal {margin:0cm;margin-bottom:.0001pt;font-size:12.0pt;} #yiv5366243845 a:link, #yiv5366243845 span.yiv5366243845MsoHyperlink {color:blue;text-decoration:underline;} #yiv5366243845 a:visited, #yiv5366243845 span.yiv5366243845MsoHyperlinkFollowed {color:purple;text-decoration:underline;} #yiv5366243845 p.yiv5366243845msonormal, #yiv5366243845 li.yiv5366243845msonormal, #yiv5366243845 div.yiv5366243845msonormal {margin-right:0cm;margin-left:0cm;font-size:12.0pt;} #yiv5366243845 p.yiv5366243845msochpdefault, #yiv5366243845 li.yiv5366243845msochpdefault, #yiv5366243845 div.yiv5366243845msochpdefault {margin-right:0cm;margin-left:0cm;font-size:12.0pt;} #yiv5366243845 span.yiv5366243845msohyperlink {} #yiv5366243845 span.yiv5366243845msohyperlinkfollowed {} #yiv5366243845 span.yiv5366243845emailstyle17 {} #yiv5366243845 span.yiv5366243845emailstyle18 {} #yiv5366243845 p.yiv5366243845msonormal1, #yiv5366243845 li.yiv5366243845msonormal1, #yiv5366243845 div.yiv5366243845msonormal1 {margin:0cm;margin-bottom:.0001pt;font-size:12.0pt;} #yiv5366243845 span.yiv5366243845msohyperlink1 {color:#0563C1;text-decoration:underline;} #yiv5366243845 span.yiv5366243845msohyperlinkfollowed1 {color:#954F72;text-decoration:underline;} #yiv5366243845 span.yiv5366243845emailstyle171 {color:#1F497D;} #yiv5366243845 span.yiv5366243845emailstyle181 {color:#1F497D;} #yiv5366243845 p.yiv5366243845msochpdefault1, #yiv5366243845 li.yiv5366243845msochpdefault1, #yiv5366243845 div.yiv5366243845msochpdefault1 {margin-right:0cm;margin-left:0cm;font-size:10.0pt;} #yiv5366243845 span.yiv5366243845EmailStyle29 {color:#1F497D;} #yiv5366243845 .yiv5366243845MsoChpDefault {font-size:10.0pt;} _filtered #yiv5366243845 {margin:72.0pt 72.0pt 72.0pt 72.0pt;} #yiv5366243845 div.yiv5366243845WordSection1 {} #yiv5366243845 </style><div> <div class="yiv5366243845WordSection1"> <div class="yiv5366243845MsoNormal"><span style="font-size:11.0pt;">Ah I see the error</span></div> <div class="yiv5366243845MsoNormal"><span style="font-size:11.0pt;"> </span></div> <div class="yiv5366243845MsoNormal"><span style="font-size:11.0pt;">You have</span></div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"><memoryBacking></span></div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <hugepages/></span><span style="font-size:10.0pt;"></span></div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <page size='1' unit='G' nodeset='0'/></span></div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </memoryBacking></span></div> <div class="yiv5366243845MsoNormal"><span style="font-size:11.0pt;"> </span></div> <div class="yiv5366243845MsoNormal"><span style="font-size:11.0pt;"> </span></div> <div class="yiv5366243845MsoNormal"><span style="font-size:11.0pt;">Not</span></div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"><memoryBacking></span></div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <hugepages></span><span style="font-size:10.0pt;"></span></div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <page size='1' unit='G' nodeset='0'/></span></div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </hugepages></span><span style="font-size:10.0pt;"></span></div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </memoryBacking></span></div> <div class="yiv5366243845MsoNormal"><span style="font-size:11.0pt;"> </span></div> <div class="yiv5366243845MsoNormal"><span style="font-size:11.0pt;"> </span></div> <div class="yiv5366243845yqt0518786148" id="yiv5366243845yqt72540"><div style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt;"> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm;"> <div class="yiv5366243845MsoNormal"><a rel="nofollow" shape="rect" name="_____replyseparator" href=""></a><b><span style="font-size:11.0pt;">From:</span></b><span style="font-size:11.0pt;"> Adnan Mundres [mailto:amundres@yahoo.com] <br clear="none"> <b>Sent:</b> Wednesday, January 24, 2018 9:05 PM<br clear="none"> <b>To:</b> Mooney, Sean K <sean.k.mooney@intel.com>; libvir-list@redhat.com<br clear="none"> <b>Subject:</b> Re: [libvirt] with vhostuser I cannot use hugepages</span></div> </div> </div> <div class="yiv5366243845MsoNormal"> </div> <div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_13451"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">Hi Sean </span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_13451"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">,</span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_13451"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_13451"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">Thanks for you reply. I do have hugepages configuration in my xml and still it is not getting the memory from Hugepage. Following is my complete xml file</span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_13451"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15406"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"><domain type='kvm'></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15408"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <uuid>c1f7a3d0-ccb7-4a85-b0f0-dd4bab73ba54</uuid></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15409"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <description>Timos VM</description></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15410"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <memory>16777216</memory></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15411"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <currentMemory>16777216</currentMemory></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15412"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <cpu mode='host-model'></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15413"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <numa></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15414"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <cell id="0" cpus="0" memory="16777216" unit='KiB' memAccess="shared"/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15415"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </numa></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15416"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </cpu></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15417"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <memoryBacking></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15418"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <hugepages/></span><span style="font-size:10.0pt;"></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15419"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <page size='1' unit='G' nodeset='0'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15420"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </memoryBacking></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15421"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <numatune></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15422"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <memory mode='strict' nodeset='1'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15423"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </numatune></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15424"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <vcpu current='7'>7</vcpu></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15425"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <cputune></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15426"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <vcpupin vcpu='0' cpuset='2'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15427"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <vcpupin vcpu='1' cpuset='3'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15428"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <vcpupin vcpu='2' cpuset='4'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15429"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <vcpupin vcpu='3' cpuset='5'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15430"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <vcpupin vcpu='4' cpuset='6'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15431"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <vcpupin vcpu='5' cpuset='7'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15432"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <vcpupin vcpu='6' cpuset='8'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15433"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <emulatorpin cpuset="0,1"/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15434"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </cputune></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15435"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <os></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15436"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <type arch='x86_64' machine='pc'>hvm</type></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15437"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <smbios mode='sysinfo'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15438"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </os></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15439"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <sysinfo type ='smbios'</span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_15443"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <clock offset='utc'></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17229"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <timer name='pit' tickpolicy='delay'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17230"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <timer name='rtc' tickpolicy='delay'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17231"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </clock></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17232"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <devices></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17233"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <emulator>/usr/libexec/qemu-kvm</emulator></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17234"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <disk type='file' device='disk'></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17235"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <driver name='qemu' type='qcow2' cache='none'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17236"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <source file='/mvmgptb11/images/flexibed/vm_5/sros-vm.qcow2'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17237"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <target dev='hda' bus='virtio'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17238"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </disk></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17239"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <interface type='bridge'></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17240"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <mac address='FA:AC:A5:00:7E:00'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17241"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <source bridge='breth0'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17242"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <model type='virtio'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17243"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </interface></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17244"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <interface type='bridge'></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17245"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <mac address='FA:AC:A5:00:7E:01'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17246"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <source bridge='breth1'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17247"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <model type='virtio'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17248"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </interface></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17249"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <interface type='vhostuser'></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17250"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <mac address='FA:AC:A5:00:7E:02'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17251"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <source type='unix' path='/var/run/openvswitch/vhost-user-1' mode='client'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17252"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <model type='virtio'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17253"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </interface></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17254"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <interface type='vhostuser'></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17255"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <mac address='FA:AC:A5:00:7E:04'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17256"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <source type='unix' path='/var/run/openvswitch/vhost-user-3' mode='client'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17257"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <model type='virtio'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17258"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </interface></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17259"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <interface type='vhostuser'></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17260"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <mac address='FA:AC:A5:00:7E:05'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17261"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <source type='unix' path='/var/run/openvswitch/vhost-user-2' mode='client'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17262"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <model type='virtio'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17263"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </interface></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17264"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <console type='tcp'></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17265"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <source mode='bind' host='0.0.0.0' service='2501'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17266"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <protocol type='telnet'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17267"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <target type='virtio' port='0'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17268"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </console></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17269"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <watchdog model='i6300esb' action='reset'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17270"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </devices></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17271"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <seclabel type='none'/></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17272"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"></domain></span></div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516825847521_17273"> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="margin-bottom:12.0pt;background:white;"><span style="font-size:10.0pt;"> </span></div> </div> <div> <div> <div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">On Wednesday, January 24, 2018 12:54 PM, "Mooney, Sean K" <<a rel="nofollow" shape="rect" ymailto="mailto:sean.k.mooney@intel.com" target="_blank" href="mailto:sean.k.mooney@intel.com">sean.k.mooney@intel.com</a>> wrote:</span><span style=""></span></div> </div> <div class="yiv5366243845MsoNormal" style="margin-bottom:12.0pt;background:white;"><span style=""> </span></div> <div> <div id="yiv5366243845"> <div> <div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:11.0pt;"> </span><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:11.0pt;"> </span><span style=""></span></div> </div> <div style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt;"> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm;"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><span style="font-size:11.0pt;">From:</span></b><span style="font-size:11.0pt;"> Mooney, Sean K <br clear="none"> <b>Sent:</b> Wednesday, January 24, 2018 8:52 PM<br clear="none"> <b>To:</b> Adnan Mundres <<a rel="nofollow" shape="rect" ymailto="mailto:amundres@yahoo.com" target="_blank" href="mailto:amundres@yahoo.com">amundres@yahoo.com</a>>; <a rel="nofollow" shape="rect" ymailto="mailto:libvir-list@redhat.com" target="_blank" href="mailto:libvir-list@redhat.com">libvir-list@redhat.com</a><br clear="none"> <b>Cc:</b> Mooney, Sean K <<a rel="nofollow" shape="rect" ymailto="mailto:sean.k.mooney@intel.com" target="_blank" href="mailto:sean.k.mooney@intel.com">sean.k.mooney@intel.com</a>><br clear="none"> <b>Subject:</b> RE: [libvirt] with vhostuser I cannot use hugepages</span><span style=""></span></div> </div> </div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style=""> </span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:11.0pt;"> </span><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:11.0pt;"> </span><span style=""></span></div> </div> <div style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt;"> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm;"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><span style="font-size:11.0pt;">From:</span></b><span style="font-size:11.0pt;"> <a rel="nofollow" shape="rect" ymailto="mailto:libvir-list-bounces@redhat.com" target="_blank" href="mailto:libvir-list-bounces@redhat.com">libvir-list-bounces@redhat.com</a> [<a rel="nofollow" shape="rect" ymailto="mailto:libvir-list-bounces@redhat.com" target="_blank" href="mailto:libvir-list-bounces@redhat.com">mailto:libvir-list-bounces@redhat.com</a>] <b>On Behalf Of </b>Adnan Mundres<br clear="none"> <b>Sent:</b> Wednesday, January 24, 2018 6:54 PM<br clear="none"> <b>To:</b> <a rel="nofollow" shape="rect" ymailto="mailto:libvir-list@redhat.com" target="_blank" href="mailto:libvir-list@redhat.com">libvir-list@redhat.com</a><br clear="none"> <b>Subject:</b> [libvirt] with vhostuser I cannot use hugepages</span><span style=""></span></div> </div> </div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style=""> </span></div> </div> <div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5618"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">In my setup I am using qemu-kvm without openstack. I am trying to use ovs with dpdk. In my xml file I added following lines for the dpdkvhostuser</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5619"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5621"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"><cpu mode='host-passthrough'></span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5622"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <numa></span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5623"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> <cell id="0" cpus="0-6" memory="16777216" unit='KiB' memAccess="shared"/></span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5624"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </numa></span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5625"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </cpu></span><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;">[Mooney, Sean K] this xml snippit is not requsting the use of huge page memory.</span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;">It is requesting memory to be allocated form a single numa node and for that to be mmaped shared.</span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;">Dpdk does not actually need the guest to use hugepages it just improves the performance. What it requires</span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;">Is that the gues uses file descriptor backed, pre allocated, locked, shared memory.</span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;">e.g.</span></i></b><span style=""></span></div> </div> <div style="margin-left:4.75pt;"> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> <memoryBacking></span></i></b><span style=""></span></div> </div> <div style="margin-left:4.75pt;"> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> <locked/></span></i></b><span style=""></span></div> </div> <div style="margin-left:4.75pt;"> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> <source type='file'/></span></i></b><span style=""></span></div> </div> <div style="margin-left:4.75pt;"> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> <access mode='shared'/></span></i></b><span style=""></span></div> </div> <div style="margin-left:4.75pt;"> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> <allocation mode='immediate'/></span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> </memoryBacking></span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> </span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;">Hugepages will enable all of the above features implicitly. </span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> </span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;">to enable hugepages add</span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> </span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"><memoryBacking></span></i></b><span style=""></span></div> </div> <div style="margin-left:5.25pt;"> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"><hugepages></span></i></b><span style=""></span></div> </div> <div style="margin-left:5.25pt;"> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> <page size="16" unit="G" nodeset="0"/></span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"> </hugepages></span></i></b><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;"></memoryBacking></span></i></b><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5626"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span><span style=""></span></div> </div> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><b><i><span style="font-size:11.0pt;">[Mooney, Sean K] oh I forgot to say you can find the relevant documentation here </span></i></b><span style="font-size:11.0pt;"><a rel="nofollow" shape="rect" target="_blank" href="https://libvirt.org/formatdomain.html#elementsMemoryBacking">https://libvirt.org/formatdomain.html#elementsMemoryBacking</a></span><span style=""></span></div> </div> <div id="yiv5366243845yqtfd84849"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:11.0pt;"> </span><span style=""></span></div> </div> </div> </div> <div id="yiv5366243845yqtfd71746"> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5627"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">I have enabled hugepages during boot time</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5628"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5630"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">ot@mvmgptb11hyp01 hyp-1]# cat /proc/meminfo | grep -i huge</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5631"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">AnonHugePages: 126976 kB</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5632"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">HugePages_Total: 100</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5633"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">HugePages_Free: 80</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5634"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">HugePages_Rsvd: 0</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5635"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">HugePages_Surp: 0</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5636"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">Hugepagesize: 1048576 kB</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5637"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5639"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">But When I start my vm (virsh start vm1.xml) I am seeing that this vm is not using memory from hugepages, rather it is taking memory from total memory. When I checked the log file I see that it is using</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5639"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5640"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">-object memory-backend-file,id=ram-node0,prealloc=yes,mem-path=/var/lib/libvirt/qemu/ram,share=yes</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5641"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5643"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">It should use backend memory as following</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5644"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5646"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">-object memory-backend-file,id=ram-node0,prealloc=yes,mem-path=/dev/hugepages/libvirt/qemu/vm1,share=yes</span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5647"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;"> </span><span style=""></span></div> </div> </div> <div id="yiv5366243845yui_3_16_0_ym19_1_1516819808278_5649"> <div> <div class="yiv5366243845MsoNormal" style="background:white;"><span style="font-size:10.0pt;">Any idea how can I use memory from hugepages</span><span style=""></span></div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <div class="yiv5366243845MsoNormal" style="margin-bottom:12.0pt;background:white;"><span style=""> </span></div> </div> </div> </div> </div> </div> </div></div> </div> </div></div><div class="yqt0518786148" id="yqt91498">--<br clear="none">libvir-list mailing list<br clear="none"><a shape="rect" ymailto="mailto:libvir-list@redhat.com" href="mailto:libvir-list@redhat.com">libvir-list@redhat.com</a><br clear="none"><a shape="rect" href="https://www.redhat.com/mailman/listinfo/libvir-list" target="_blank">https://www.redhat.com/mailman/listinfo/libvir-list</a></div><br><br></div> </div> </div> </div></div></body></html>