Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261426AbUKWU4I (ORCPT ); Tue, 23 Nov 2004 15:56:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261607AbUKWUxt (ORCPT ); Tue, 23 Nov 2004 15:53:49 -0500 Received: from fw.osdl.org ([65.172.181.6]:37078 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261544AbUKWUwN (ORCPT ); Tue, 23 Nov 2004 15:52:13 -0500 Date: Tue, 23 Nov 2004 12:52:12 -0800 From: Chris Wright To: keith Cc: devnull@us.ibm.com, djwong , Chris McDermott , "linux-kernel@vger.kernel.org" Subject: Re: SELinux performance issue with large systems (32 cpus) Message-ID: <20041123125212.E14339@build.pdx.osdl.net> References: <1101237725.27848.301.camel@knk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <1101237725.27848.301.camel@knk>; from kmannth@us.ibm.com on Tue, Nov 23, 2004 at 11:22:05AM -0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 714 Lines: 17 * keith (kmannth@us.ibm.com) wrote: > I work with i386 16-way systems. When hyperthreading is enabled they > have 32 "cpus". I recently did a quick performance check on with 2.6 > (as it turn out with a SElinux enabled) doing kernel builds. Have you tried any recent -mm kernel? avc_lock was refactored to RCU locking, and benchmarks shows it scales quite nicely now. thanks, -chris -- Linux Security Modules http://lsm.immunix.org http://lsm.bkbits.net - 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/