Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756337AbXIEHHk (ORCPT ); Wed, 5 Sep 2007 03:07:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754175AbXIEHHc (ORCPT ); Wed, 5 Sep 2007 03:07:32 -0400 Received: from netops-testserver-4-out.sgi.com ([192.48.171.29]:48526 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752773AbXIEHHb (ORCPT ); Wed, 5 Sep 2007 03:07:31 -0400 Date: Wed, 5 Sep 2007 00:07:30 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: "Zhang, Yanmin" cc: LKML , mingo@elte.hu Subject: Re: tbench regression - Why process scheduler has impact on tbench and why small per-cpu slab (SLUB) cache creates the scenario? In-Reply-To: <1188969725.26438.46.camel@ymzhang> Message-ID: References: <1188953218.26438.34.camel@ymzhang> <1188969725.26438.46.camel@ymzhang> 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 Content-Length: 547 Lines: 13 On Wed, 5 Sep 2007, Zhang, Yanmin wrote: > > slub_max_order=3 slub_min_objects=8 > I tried this approach. The testing result showed 2.6.23-rc4 is about > 2.5% better than 2.6.22. It really resovles the issue. Note also that the configuration you tried is the way SLUB is configured in Andrew's tree. - 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/