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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a name="legacyLayout"><span lang="EN-US" style="mso-fareast-language:FR">Hi,<br>
<br>
As told in “</span></a><span lang="EN-US">Control Groups Resource Management” libvirt page<b>
</b>:</span><span lang="EN-US" style="mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-US" style="font-size:18.0pt;font-family:"Times New Roman","serif";mso-fareast-language:FR">Legacy cgroups layout</span></b><b><span lang="EN-US" style="font-size:18.0pt;font-family:"Times New Roman","serif";mso-fareast-language:FR">
<o:p></o:p></span></b></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:FR">Prior to libvirt 1.0.5, the cgroups layout created by libvirt was different
from that described above, and did not allow for administrator customization. Libvirt used a fixed, 3-level hierarchy
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR">libvirt/{qemu,lxc}/$VMNAME</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:FR"> which was rooted
at the point in the hierarchy where libvirtd itself was located. So if libvirtd was placed at
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR">/system/libvirtd.service</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:FR"> by systemd, the groups
for each virtual machine / container would be located at </span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR">/system/libvirtd.service/libvirt/{qemu,lxc}/$VMNAME</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:FR">.
In addition to this, the QEMU drivers further child groups for each vCPU thread and the emulator thread(s). This leads to a hierarchy that looked like
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’m trying to retrieve this layout :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR">$ROOT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> +- system<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> +- libvirtd.service<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> +- libvirt<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> +- qemu<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | +- vm1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | | |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | | +- emulator<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | | +- vcpu0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | | +- vcpu1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | +- vm2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | | |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | | +- emulator<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | | +- vcpu0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | | +- vcpu1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | +- vm3<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR">
</span><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR">| +- emulator<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | +- vcpu0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:FR"> | +- vcpu1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">How may I find where systemd has placed libvirtd ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I use libvirt 0.10.2 on a RHEL6 2.6.32-431.el6.x86_64<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thx for help.<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#888888;mso-fareast-language:FR"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:8.5pt;font-family:"Arial","sans-serif";color:#888888;mso-fareast-language:FR">J.P. Ribeauville<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Arial","sans-serif";color:#737373;mso-fareast-language:FR"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial","sans-serif";color:red;mso-fareast-language:FR">P:
</span><span style="font-size:8.5pt;font-family:"Arial","sans-serif";color:#737373;mso-fareast-language:FR">+33.(0).1.47.17.20.49</span><span style="font-size:8.5pt;font-family:"Arial","sans-serif";color:#737373;mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial","sans-serif";color:#737373;mso-fareast-language:FR">.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial","sans-serif";color:#737373;mso-fareast-language:FR">Puteaux 3 Etage 5 Bureau 4<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial","sans-serif";color:#737373;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span lang="EN-US" style="font-size:9.0pt;color:red;mso-fareast-language:FR"><a href="mailto:jpribeauville@axway.com"><span lang="FR" style="color:blue">jpribeauville@axway.com</span></a></span></u><u><span style="font-size:9.0pt;color:red;mso-fareast-language:FR"><br>
</span></u><span style="font-size:9.0pt;color:red;mso-fareast-language:FR"><a href="http://www.axway.com/"><span style="color:red">http://www.axway.com</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial","sans-serif";color:#737373;mso-fareast-language:FR"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:18.0pt;font-family:Webdings;color:#888888;mso-fareast-language:FR">P</span><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#888888;mso-fareast-language:FR"> Pensez à l’environnement avant d’imprimer.</span><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#888888;mso-fareast-language:FR"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:FR"><o:p> </o:p></span></p>
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