From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Lameter Subject: Re: Mainline kernel OLTP performance update Date: Fri, 16 Jan 2009 14:59:28 -0600 (CST) Message-ID: References: <20090115135236.GB29283@parisc-linux.org> <84144f020901160216q17f1b558q955d5b8fb7c528c0@mail.gmail.com> <200901162121.09128.nickpiggin@yahoo.com.au> <84144f020901160231k9e896d2o672079c1a2973632@mail.gmail.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: Received: from nlpi025.sbcis.sbc.com ([207.115.36.54]:45111 "EHLO nlpi025.prodigy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937527AbZAPVAd (ORCPT ); Fri, 16 Jan 2009 16:00:33 -0500 In-Reply-To: <84144f020901160231k9e896d2o672079c1a2973632@mail.gmail.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Pekka Enberg Cc: Nick Piggin , Matthew Wilcox , Andrew Morton , "Wilcox, Matthew R" , chinang.ma@intel.com, linux-kernel@vger.kernel.org, sharad.c.tripathi@intel.com, arjan@linux.intel.com, andi.kleen@intel.com, suresh.b.siddha@intel.com, harita.chilukuri@intel.com, douglas.w.styner@intel.com, peter.xihong.wang@intel.com, hubert.nueckel@intel.com, chris.mason@oracle.com, srostedt@redhat.com, linux-scsi@vger.kernel.org, Andrew Vasquez , Anirban Chakraborty On Fri, 16 Jan 2009, Pekka Enberg wrote: > aren't I? There's some scheduler related options such as > CONFIG_GROUP_SCHED and CONFIG_FAIR_GROUP_SCHED enabled in defconfig > that I didn't have in the original tests. I can try without them if > you want but I'm not sure it's relevant for SLAB vs SLUB tests. I have seen CONFIG_GROUP_SCHED to affect latency tests in significant ways.