From owner-freebsd-current@FreeBSD.ORG Thu Mar 23 14:42:27 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D371516A400 for ; Thu, 23 Mar 2006 14:42:27 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id 47F0143D48 for ; Thu, 23 Mar 2006 14:42:24 +0000 (GMT) (envelope-from scottl@samsco.org) Received: from [192.168.254.11] (junior.samsco.home [192.168.254.11]) (authenticated bits=0) by pooker.samsco.org (8.13.4/8.13.4) with ESMTP id k2NEgNQc051457; Thu, 23 Mar 2006 07:42:23 -0700 (MST) (envelope-from scottl@samsco.org) Message-ID: <4422B3C8.3080303@samsco.org> Date: Thu, 23 Mar 2006 07:42:16 -0700 From: Scott Long User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.12) Gecko/20051230 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Luigi Rizzo References: <20060322122906.A41691@xorpc.icir.org> <20060323001555.GA1811@tin.it> <20060323142518.GA1308@tin.it> <20060323063139.A67037@xorpc.icir.org> In-Reply-To: <20060323063139.A67037@xorpc.icir.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.4 required=3.8 tests=ALL_TRUSTED autolearn=failed version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on pooker.samsco.org Cc: current@freebsd.org Subject: Re: interesting(?) data on network interrupt servicing X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Mar 2006 14:42:27 -0000 Luigi Rizzo wrote: > On Thu, Mar 23, 2006 at 03:25:18PM +0100, Paolo Pisati wrote: > >>On Thu, Mar 23, 2006 at 01:15:55AM +0100, Paolo Pisati wrote: >> >>>On Wed, Mar 22, 2006 at 12:29:06PM -0800, Luigi Rizzo wrote: >>> >>>>Paolo should follow up in the next days with graphs and more data. >>> >>>Here are graphs and data: >>> >>>http://mercurio.sm.dsi.unimi.it/~pisati/ >>> >>>and here is a tarball with all images, data and patches: >>> >>>http://mercurio.sm.dsi.unimi.it/~pisati/interrupt.tgz >> >>ok, i updated my CURRENT and rerun the tests (and while here >>i disabled SMP): >> >>phk's optimization to cpu ticks calculation shaved 4k ticks, > > > this makes it a very good candidate for MFC when 6.1 is out ? > > >>but interrupt masking overhead it's still there. > > > and this needs a bit of investigation instead... > I haven't been paying close enough attention, have all of the calcru problems and other side effects been fixed from phk's work? Scott