From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Galbraith Subject: Re: [tbench regression fixes]: digging out smelly deadmen. Date: Sat, 25 Oct 2008 07:58:53 +0200 Message-ID: <1224914333.3822.18.camel@marge.simson.net> References: <20081010115725.GD19487@elte.hu> <200810250025.35734.rjw@sisk.pl> <1224905848.5161.27.camel@marge.simson.net> <20081024.221653.23695396.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: 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: David Miller Return-path: Received: from mail.gmx.net ([213.165.64.20]:35324 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751180AbYJYF65 (ORCPT ); Sat, 25 Oct 2008 01:58:57 -0400 In-Reply-To: <20081024.221653.23695396.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 2008-10-24 at 22:16 -0700, David Miller wrote: > From: Mike Galbraith > Date: Sat, 25 Oct 2008 05:37:28 +0200 > > > Part of the .27 regression was added scheduler overhead going from .26 > > to .27. The scheduler overhead is now gone, but an unidentified source > > of localhost throughput loss remains for both SMP and UP configs. > > It has to be the TSO thinky Evgeniy hit too right? Dunno. > If not, please bisect this. (oh my gawd:) I spent long day manweeks trying to bisect and whatnot. It's immune to my feeble efforts, and my git-foo. -Mike