i suggested you to disable selinux in order to have
something to compare to... (engineers compare,
measure, instead of believing in rummors...)
d
--- John Richard Moser <[email protected]> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> I'm not an abortionist; if I hear something has an
> ugly side, I try to
> find out if it can be fixed, and if the trade-off is
> worth getting rid
> of it. SELinux and LSM are quite useful you know;
> the overhead is
> probably not even that significant on the desktop to
> gamers (although if
> you TELL them about it they'll piss themselves),
> from a practical
> viewpoint considering their excessive hardware.
>
> Dan C Marinescu wrote:
> > try selinux=0, _if u feel that way :-)
> >
> > about big o:
> >
> >
>
http://www.maththinking.com/boat/compsciBooksIndex.html
> >
> > daniel
> >
> >
> >
> > --- John Richard Moser <[email protected]>
> wrote:
> >
> >
> > I've heard that SELinux has produced benchmarks
> such
> > as 7% increased CPU
> > load. Is this true and current? Is it dependent
> on
> > policy? What is
> > the policy lookup complexity ( O(1), O(n),
> > O(nlogn)...)? Are there
> > other places where a bottleneck may exist aside
> from
> > gruffing with the
> > policy? Isn't the policy actually in xattrs so
> it's
> > O(1)? Where else
> > would an overhead that big come from aside from a
> > lookup in a table?
> >
> > ....
> >
> > Why is the sky blue? Why do you have a mustach?
> > Why doesn't mommy have
> > one? Does she shave it?
> >
> > At any rate, my personal end goal is a secure
> > high-performance operating
> > system, as user friendly as Ubuntu, Mandriva, or
> > Win----. To this end,
> > I'm (still; a lot of you have seen me before)
> > evaluating the performance
> > hit of various user and kernel security
> enhancements
> > like PaX,
> > ProPolice, various OpenWall/GrSecurity niceness
> that
> > needs to be divided
> > out, and of course LSM/SELinux. Also wondering
> > about that PHKMalloc
> > thing on openbsd; is it really all that, is it
> junk,
> > how's it compare to
> > the recent ptmalloc work, and can it run on Linux
> > for direct benching .
> > . . but that's off topic.
> >
> > --
> > All content of all messages exchanged herein are
> > left in the
> > Public Domain, unless otherwise explicitly stated.
> >
> > Creative brains are a valuable, limited
> > resource. They shouldn't be
> > wasted on re-inventing the wheel when there
> are
> > so many fascinating
> > new problems waiting out there.
> >
> --
> > Eric Steven Raymond
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> > __________________________________
> > Yahoo! Mail - PC Magazine Editors' Choice 2005
> > http://mail.yahoo.com
>
>
> - --
> All content of all messages exchanged herein are
> left in the
> Public Domain, unless otherwise explicitly stated.
>
> Creative brains are a valuable, limited
> resource. They shouldn't be
> wasted on re-inventing the wheel when there are
> so many fascinating
> new problems waiting out there.
> --
> Eric Steven Raymond
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