Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754508Ab3EUNbo (ORCPT ); Tue, 21 May 2013 09:31:44 -0400 Received: from mail-pa0-f51.google.com ([209.85.220.51]:58935 "EHLO mail-pa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753178Ab3EUNbl (ORCPT ); Tue, 21 May 2013 09:31:41 -0400 Message-ID: <1369143099.3301.216.camel@edumazet-glaptop> Subject: Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling From: Eric Dumazet To: Alex Rosenbaum Cc: Eliezer Tamir , 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 Date: Tue, 21 May 2013 06:31:39 -0700 In-Reply-To: <519B7355.9090303@mellanox.com> References: <20130520101552.14133.45953.stgit@ladj378.jer.intel.com> <519B632F.7040202@mellanox.com> <519B68A4.3010406@linux.intel.com> <519B7355.9090303@mellanox.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 982 Lines: 24 On Tue, 2013-05-21 at 16:15 +0300, 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"). I totally agree, most modern applications use poll/select/epoll, and a fair amount of sockets per task, sendfile()/vmsplice()/... and netperf is not using same paths. Thanks Alex ! -- 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/