From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761764AbYDCIlZ (ORCPT ); Thu, 3 Apr 2008 04:41:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755226AbYDCIlR (ORCPT ); Thu, 3 Apr 2008 04:41:17 -0400 Received: from smtp-out01.alice-dsl.net ([88.44.60.11]:10146 "EHLO smtp-out01.alice-dsl.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751693AbYDCIlQ (ORCPT ); Thu, 3 Apr 2008 04:41:16 -0400 To: Nick Piggin Cc: KOSAKI Motohiro , Pekka Enberg , Linux Memory Management List , Linux Kernel Mailing List , Christoph Lameter Subject: Re: [rfc] SLQB: YASA From: Andi Kleen References: <84144f020804030045p44456894lfc006dcdeab6f67c@mail.gmail.com> <20080403075725.GA7514@wotan.suse.de> <20080403171626.0283.KOSAKI.MOTOHIRO@jp.fujitsu.com> <20080403082650.GA20132@wotan.suse.de> Date: Thu, 03 Apr 2008 10:41:13 +0200 In-Reply-To: <20080403082650.GA20132@wotan.suse.de> (Nick Piggin's message of "Thu, 3 Apr 2008 10:26:51 +0200") Message-ID: <87r6dns53q.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 03 Apr 2008 08:34:32.0418 (UTC) FILETIME=[8A46A420:01C89565] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nick Piggin writes: > > Nothing really interesting, unfortunately. I have run some tests on > various microbenchmarks like tbench and things like that. But I > don't have many good ideas for more meaningful tests where slab > allocation performance is critial. Any suggestions? :) Some networking workloads hit slab pretty aggressive (two allocations per packet) Just be careful with standard loopback, it has a contended lock elsewhere -Andi