Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758518Ab3EWLG6 (ORCPT ); Thu, 23 May 2013 07:06:58 -0400 Received: from mga09.intel.com ([134.134.136.24]:22210 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758368Ab3EWLG4 (ORCPT ); Thu, 23 May 2013 07:06:56 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,728,1363158000"; d="scan'208";a="318319894" Message-ID: <519DF84B.10401@linux.intel.com> Date: Thu, 23 May 2013 14:06:51 +0300 From: Eliezer Tamir User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130509 Thunderbird/17.0.6 MIME-Version: 1.0 To: Alex Rosenbaum CC: Dave Miller , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Jesse Brandeburg , Don Skidmore , e1000-devel@lists.sourceforge.net, Willem de Bruijn , Andi Kleen , HPA , Eliezer Tamir Subject: Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling References: <20130520101552.14133.45953.stgit@ladj378.jer.intel.com> <519B632F.7040202@mellanox.com> <519B68A4.3010406@linux.intel.com> <519B7355.9090303@mellanox.com> In-Reply-To: <519B7355.9090303@mellanox.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 976 Lines: 24 On 21/05/2013 16:15, Alex Rosenbaum wrote: > On 5/21/2013 3:29 PM, Eliezer Tamir wrote: >> What benchmarks are you using to test poll/select/epoll? > for epoll/select latency tests we are using sockperf as performance > latency tool: https://code.google.com/p/sockperf/ > It is a client-server based tool and it supported ping-pong, throughput, > and under-load test type. > For epoll, you will need to define a 'feedfile' ("-f filepathname") > which has a list of TCP and/or UDP socket and defined your IO mux type > ("-F epoll"). Thank you! This is very helpful. With sockperf i can directly observe how poll/select/epoll are behaving. I can see some improvement in all of them but clearly more work is needed here. -Eliezer -- 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/