From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zombie.ncsc.mil (zombie.ncsc.mil [144.51.88.131]) by tarius.tycho.ncsc.mil (8.13.1/8.13.1) with ESMTP id m1ECq5rY017845 for ; Thu, 14 Feb 2008 07:52:05 -0500 Received: from mx1.redhat.com (jazzdrum.ncsc.mil [144.51.5.7]) by zombie.ncsc.mil (8.12.10/8.12.10) with ESMTP id m1ECq4LX012979 for ; Thu, 14 Feb 2008 12:52:04 GMT Message-ID: <47B4395E.4010206@redhat.com> Date: Thu, 14 Feb 2008 07:51:42 -0500 From: Daniel J Walsh MIME-Version: 1.0 To: James Morris CC: Justin Mattock , selinux@tycho.nsa.gov, Arjan van de Ven , John Dennis Subject: Re: SELinux power consumption (was Re: s.m.a.c.k) References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-selinux@tycho.nsa.gov List-Id: selinux@tycho.nsa.gov -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 James Morris wrote: > On Thu, 14 Feb 2008, Justin Mattock wrote: > >> I had a quick question about power consumption, I've been doing a lot of >> testing and seem to find no signs of SELinux or audit causing any wakeups at >> all to the processor, but then googling some web site I came acrossed said >> there was a 7% overhead of energy or something in this area. What info do >> you have in the area of power consumption, wakeups to the processor or load >> on the processor with SELinux or audit that I should be aware of while Im >> doing some testing? > > IIRC, this was something like the setroubleshoot desktop applet, and I'm > not sure if it was fixed or not. If not, it needs to be. > > (cc'd Arjan, who I think discovered the issue). > > > - James sealert, the applet for setroubleshoot was a threaded python app. The python library that sealert uses wakes up every .1 seconds to see if the parent received a signal. This was causing the problem. This has been fixed in all versions of setroubleshoot, I believe. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iEYEARECAAYFAke0OV0ACgkQrlYvE4MpobOo0wCfRoyXVZcYkodfUGlL4qQ62JeF V9oAoNmeRQuQOMZWpaAmJcoliaguUm9X =F/p4 -----END PGP SIGNATURE----- -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@tycho.nsa.gov with the words "unsubscribe selinux" without quotes as the message.