From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261213AbVGTBcK (ORCPT ); Tue, 19 Jul 2005 21:32:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261218AbVGTBcK (ORCPT ); Tue, 19 Jul 2005 21:32:10 -0400 Received: from zproxy.gmail.com ([64.233.162.192]:57455 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S261213AbVGTBcI convert rfc822-to-8bit (ORCPT ); Tue, 19 Jul 2005 21:32:08 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=LWGVEAi9GEIdI/x2yJ/+ZeZ+M2ZbPrBgcYMQQgeTIe9ndh0hS0P0hhZqMgeciOzRNIjlN44ZHPKyIX1IhWAB7T7yleP+9m1LZwbNHVYqfrJMOjU8qOehFxz8D7vd/rpgrL4S/Q4yDAMJ1G9kydn+eRahEstd/jkisY+lHGKPv7M= Message-ID: <9a8748490507191831267b17d9@mail.gmail.com> Date: Wed, 20 Jul 2005 03:31:41 +0200 From: Jesper Juhl Reply-To: Jesper Juhl To: dwalker@mvista.com Subject: Re: Interbench real time benchmark results Cc: Con Kolivas , Ingo Molnar , linux-kernel@vger.kernel.org, ck@vds.kolivas.org In-Reply-To: <1121822524.26927.85.camel@dhcp153.mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <200507200816.11386.kernel@kolivas.org> <20050719223216.GA4194@elte.hu> <1121819037.26927.75.camel@dhcp153.mvista.com> <200507201104.48249.kernel@kolivas.org> <1121822524.26927.85.camel@dhcp153.mvista.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 7/20/05, Daniel Walker wrote: > On Wed, 2005-07-20 at 11:04 +1000, Con Kolivas wrote: > > On Wed, 20 Jul 2005 10:23 am, Daniel Walker wrote: > > > On Wed, 2005-07-20 at 00:32 +0200, Ingo Molnar wrote: > > > > - networking is another frequent source of latencies - it might make > > > > sense to add a workload doing lots of socket IO. (localhost might be > > > > enough, but not for everything) > > > > > > The Gnutella test? > > > > I've seen some massive latencies on mainline when throwing network loads from > > outside, but with my limited knowledge I haven't found a way to implement > > such a thing locally. I'll look at this gnutella test at some stage to see > > what it is and if I can adopt the load within interbench. Thanks for the > > suggestion. > > There isn't actually a test called "The Gnutella test" , but I think > Gnutella clients put lots of network load on a system (Lee was talking > about that not to long ago). I was thinking that type of load may have > been what Ingo was talking about. > If you want to generate a lot of network related interrupts, wouldn't a much simpler way to do that be a simple ping -f targetbox from a host connected to `targetbox' via a crosswired ethernet cable or a fast switch..? Also easy to modify the size of the ping packets if you want to. -- Jesper Juhl Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html Plain text mails only, please http://www.expita.com/nomime.html