<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, Mar 18, 2014 at 7:38 PM, Yuriy Taraday <span dir="ltr"><<a href="mailto:yorik.sar@gmail.com" target="_blank">yorik.sar@gmail.com</a>></span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">

<div>I'm aiming at ~100 new lines of code for daemon. Of course I'll use some batteries included with Python stdlib but they should be safe already.</div>

<div>It should be rather easy to audit them.</div></div></div></div></blockquote></div><div class="gmail_extra"><br></div>Here's my take on this: <a href="https://review.openstack.org/81798">https://review.openstack.org/81798</a></div>

<div class="gmail_extra"><br></div><div class="gmail_extra">Benchmark included showed on my machine these numbers (average over 100 iterations):</div><div class="gmail_extra"><br></div><div class="gmail_extra"><div class="gmail_extra">

<font face="courier new, monospace">Running 'ip a':</font></div><div class="gmail_extra"><font face="courier new, monospace">                       ip a :  4.565ms</font></div><div class="gmail_extra">

<font face="courier new, monospace">                     sudo ip a : 13.744ms</font></div><div class="gmail_extra"><font face="courier new, monospace">              sudo rootwrap conf ip a : 102.571ms</font></div>

<div class="gmail_extra"><font face="courier new, monospace">                daemon.run('ip a') :  8.973ms</font></div><div class="gmail_extra"><font face="courier new, monospace">Running 'ip netns exec bench_ns ip a':</font></div>

<div class="gmail_extra"><font face="courier new, monospace">         sudo ip netns exec bench_ns ip a : 162.098ms</font></div><div class="gmail_extra"><font face="courier new, monospace">  sudo rootwrap conf ip netns exec bench_ns ip a : 268.115ms</font></div>

<div class="gmail_extra"><font face="courier new, monospace">     daemon.run('ip netns exec bench_ns ip a') : 129.876ms</font></div><div><br></div><div>So it looks like running daemon is actually faster than running "sudo".</div>

<div><br></div>-- <br><br><div>Kind regards, Yuriy.</div>

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