Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755308AbaFRUi5 (ORCPT ); Wed, 18 Jun 2014 16:38:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40551 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754767AbaFRUi4 (ORCPT ); Wed, 18 Jun 2014 16:38:56 -0400 Message-ID: <53A1F8D9.7070704@redhat.com> Date: Wed, 18 Jun 2014 22:38:49 +0200 From: Daniel Borkmann User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: David Rientjes CC: Jet Chen , LKML , netdev , lkp@01.org, Fengguang Wu Subject: Re: [net] b58537a1f56: +89.2% netperf.Throughput_Mbps References: <53A10291.7090301@intel.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/18/2014 10:29 PM, David Rientjes wrote: > On Wed, 18 Jun 2014, Jet Chen wrote: > >> Hi Daniel, >> >> FYI, we noticed the below changes on >> >> commit b58537a1f5629bdc98a8b9dc2051ce0e952f6b4b ("net: sctp: fix permissions >> for rto_alpha and rto_beta knobs") > > There's no way this is legitimate, that commit cannot possibly affect the > performance of netperf. I wouldn't bother to spend any time investigating > this. One assumption could be that netperf was setting this knob internally and ignoring the result of it (error/success), but that we might need to look up in netperf source to confirm. Cheers, Daniel -- 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/