Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752664Ab0LQGPT (ORCPT ); Fri, 17 Dec 2010 01:15:19 -0500 Received: from mail-fx0-f43.google.com ([209.85.161.43]:53541 "EHLO mail-fx0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752294Ab0LQGPS convert rfc822-to-8bit (ORCPT ); Fri, 17 Dec 2010 01:15:18 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=smeFLowT7/NZEgqkUBZZj+X5W7V0kycczwgfoaQtRoaT6jbMT8LQNd/Pire97xR4df 8t5TE+3z7oNxv9ZnwueylsTm8hPDLfrh/GOXgRNE+Ipc8zzMARXE4S9MjWcJ28uhR340 sGinD1smHxJVxaMDDT+JH8JwApiPGGirGSpKU= MIME-Version: 1.0 In-Reply-To: <1292475627.2603.39.camel@edumazet-laptop> References: <46a08278c2ba21737528eb4b77391a7e8bc88000.1292405004.git.fenghua.yu@intel.com> <1292446118.2603.11.camel@edumazet-laptop> <1292475627.2603.39.camel@edumazet-laptop> Date: Fri, 17 Dec 2010 14:15:16 +0800 Message-ID: Subject: Re: [PATCH 1/3] Kernel interfaces for multiqueue aware socket From: Junchang Wang To: Eric Dumazet Cc: Fenghua Yu , "David S. Miller" , John Fastabend , Xinan Tang , netdev , linux-kernel Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1022 Lines: 28 On Thu, Dec 16, 2010 at 1:00 PM, Eric Dumazet wrote: > Le jeudi 16 décembre 2010 à 09:52 +0800, Junchang Wang a écrit : >> Commit 564824b0c52c34692d had been used in the experiments, but the problem >> remained unsolved. >> >> SLUB was used, and both servers were equipped with 8G physical memory. >> Is there any >> additional information I can provide? >> > > Yes, sure, you could provide a description of the bench you used, and > data you gathered to make the conclusion that NUMA was a problem. > Under the current circumstances (1Mpps), we can hardly see side effects from memory allocator. With higher speed (say, 5Mpps with this patch set), the problem emerged. I'll continue this work after the patch set is done. Thanks. -- --Junchang -- 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/