2010-12-23-forget-200-lines-red-hat-speeds-up-linux-with-4-lines.html

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title: 'Forget 200 lines, Red Hat speeds up Linux with 4 lines of code - InternetNews:The Blog - Sean Michael Kerner'
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<p>Not only that.  Userspace code.  I&#8217;ll have to try this on my Linux box.</p>
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<p><span>To his credit Poettering did come back with a response to prove Torvalds wrong. Poettering provided a non kernelspace patch that speeds up Linux systems. The patch involved a simple edit of a users <em>~/.bashrc file </em>with four new lines of code<em>.</em><br/><br/><pre>  if [ "$PS1" ] ; then  <br/>          mkdir -m 0700 /sys/fs/cgroup/cpu/user/$$<br/>          echo $$ &gt; /sys/fs/cgroup/cpu/user/$$/tasks<br/>  fi<br/>Then, as the superuser do this:<br/><br/>  mount -t cgroup cgroup /sys/fs/cgroup/cpu -o cpu<br/>  mkdir -m 0777 /sys/fs/cgroup/cpu/user</pre>
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<a href="http://blog.internetnews.com/skerner/2010/11/forget-200-lines-red-hat-speed.html">Forget 200 lines, Red Hat speeds up Linux with 4 lines of code - InternetNews:The Blog - Sean Michael Kerner</a>
<hr>imported from <a href="http://folkwolf.tumblr.com/post/2430512163">Tumblr</a>