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<div class="WordSection1">

<p class="MsoNormal"><span lang="EN-US">Hi<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">This patch is for procfs in per container. It is based on Daniel Lezcano’s code which use fsue. (

<a href="https://github.com/hallyn/procfs">https://github.com/hallyn/procfs</a> ), but we made the following improvements.<o:p></o:p></span></p>

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<![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">l<span style="font:7.0pt "Times New Roman""> 

</span></span></span><![endif]><span lang="EN-US">The fuse_main is started by lxc_start, so it’s easier to manage the container<o:p></o:p></span></p>

<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:-21.0pt;mso-list:l0 level1 lfo1">

<![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">l<span style="font:7.0pt "Times New Roman""> 

</span></span></span><![endif]><span lang="EN-US">We mount the /proc path in /tmp instead of rootfs, the path is uniq.<o:p></o:p></span></p>

<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:-21.0pt;mso-list:l0 level1 lfo1">

<![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">l<span style="font:7.0pt "Times New Roman""> 

</span></span></span><![endif]><span lang="EN-US">We rewrite the following files: meminfo, stat, cpuinfo, sysrq-trigger. The command ‘top’ can show the right info in the container.

<o:p></o:p></span></p>

<p class="MsoListParagraph" style="margin-left:42.0pt;text-indent:-21.0pt;mso-list:l0 level1 lfo1">

<![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">l<span style="font:7.0pt "Times New Roman""> 

</span></span></span><![endif]><span lang="EN-US">/proc/ sysrq-trigger is unwritable.<o:p></o:p></span></p>

<p class="MsoNormal" style="margin-left:21.0pt"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">We tested this patch on hundreds of containers for a long time, it had worked very well.<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<div class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"微软雅黑","sans-serif";color:navy">

<hr size="1" width="210" style="width:157.5pt" noshade="" style="color:#B5C4DF" align="left">

</span></div>

<p class="MsoNormal"><span lang="EN-US" style="font-family:"微软雅黑","sans-serif";color:navy">Kang Zhou</span><span lang="EN-US"><o:p></o:p></span></p>

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