lkml.org 
[lkml]   [2006]   [Apr]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC][PATCH 11/11] security: AppArmor - Export namespace semaphore
Quoting Tony Jones (tonyj@suse.de):
> On Thu, Apr 20, 2006 at 08:21:28AM -0500, Serge E. Hallyn wrote:
>
> > Tony, do you have any performance measurements? Both for unconfined and
> > confined apps? Presumably unconfined processes should have 0 performance
> > hit, right?
>
> Hi Serge.
>
> We have lmbench results. We had issues getting reproducability out of dbench
> but need to look at it some more. The lmbench figures we presently have are
> from the old code (reader writer lock). Results were good but we recently
> converted to rcu for the reader dominated rw locks.
>
> I'm not sure there is "0 performance hit for unconfined" as you have to check
> for them being unconfined :) but it's low.
>
> If you have other benchmarks we are open to suggestions. What has been used
> to benchmark SELinux?

I typically use dbench, reaim, tbench, and kernbench, running each 20
times.

> Anyways, we need to regenerate the results, we'll try and post in the next
> couple days. ok?

Cool, thanks.

-serge
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-04-20 22:19    [W:0.157 / U:1.980 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site