From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261595AbULITdO (ORCPT ); Thu, 9 Dec 2004 14:33:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261589AbULITdO (ORCPT ); Thu, 9 Dec 2004 14:33:14 -0500 Received: from omx3-ext.sgi.com ([192.48.171.20]:41959 "EHLO omx3.sgi.com") by vger.kernel.org with ESMTP id S261583AbULITdA (ORCPT ); Thu, 9 Dec 2004 14:33:00 -0500 Date: Thu, 9 Dec 2004 11:32:07 -0800 (PST) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: "Martin J. Bligh" cc: nickpiggin@yahoo.com.au, Jeff Garzik , torvalds@osdl.org, hugh@veritas.com, benh@kernel.crashing.org, linux-mm@kvack.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Anticipatory prefaulting in the page fault handler V1 In-Reply-To: <156610000.1102546207@flay> Message-ID: References: <41AEB44D.2040805@pobox.com><20041201223441.3820fbc0.akpm@osdl.org> <41AEBAB9.3050705@pobox.com><20041201230217.1d2071a8.akpm@osdl.org> <179540000.1101972418@[10.10.2.4]><41AEC4D7.4060507@pobox.com> <20041202101029.7fe8b303.cliffw@osdl.org> <156610000.1102546207@flay> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 8 Dec 2004, Martin J. Bligh wrote: > I tried benchmarking it ... but processes just segfault all the time. > Any chance you could try it out on SMP ia32 system? I tried it on my i386 system and it works fine. Sorry about the puny memory sizes (the system is a PIII-450 with 384k memory) clameter@schroedinger:~/pfault/code$ ./pft -t -b256000 -r3 -f1 Gb Rep Threads User System Wall flt/cpu/s fault/wsec 0 3 1 0.000s 0.004s 0.000s 37407.481 29200.500 0 3 2 0.002s 0.002s 0.000s 31177.059 27227.723 clameter@schroedinger:~/pfault/code$ uname -a Linux schroedinger 2.6.10-rc3-bk3-prezero #8 SMP Wed Dec 8 15:22:28 PST 2004 i686 GNU/Linux Could you send me your .config?