From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Galbraith Subject: Re: [tbench regression fixes]: digging out smelly deadmen. Date: Mon, 27 Oct 2008 20:11:30 +0100 Message-ID: <1225134690.4942.11.camel@marge.simson.net> References: <1224905848.5161.27.camel@marge.simson.net> <20081024.221653.23695396.davem@davemloft.net> <1224914333.3822.18.camel@marge.simson.net> <20081025.001940.251852864.davem@davemloft.net> <1224919985.5373.10.camel@marge.simson.net> <4905F9BD.100@hp.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: David Miller , rjw@sisk.pl, mingo@elte.hu, s0mbre@tservice.net.ru, a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: Rick Jones Return-path: Received: from mail.gmx.net ([213.165.64.20]:36073 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751407AbYJ0TLj (ORCPT ); Mon, 27 Oct 2008 15:11:39 -0400 In-Reply-To: <4905F9BD.100@hp.com> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, 2008-10-27 at 10:26 -0700, Rick Jones wrote: > Mike Galbraith wrote: > > That's exactly what I've been trying to look into, but combined with > > netperf. The thing is an incredibly twisted maze of _this_ affects > > _that_... sometimes involving magic and/or mythical creatures. > > I cannot guarantee it will help, but the global -T option to pin netperf > or netserver to a specific CPU might help cut-down the variables. Yup, and how. Early on, the other variables drove me bat-shit frigging _nuts_. I eventually selected a UP config to test _because_ those other variables combined with SMP overhead and config options drove crazy ;-) > FWIW netperf top of trunk omni tests can now also determine and report > the state of SELinux. They also have code to accept or generate their > own RFC4122-esque UUID. Define some connical tests and then ever closer > to just needing some database-fu and automagic testing I suppose... > things I do not presently posess but am curious enough to follow some > pointers. Hrm. I'm going to have to save that, and parse a few times. (usual) > happy benchmarking, Not really, but I can't seem to give up ;-) -Mike