From owner-freebsd-stable@FreeBSD.ORG Wed May 17 13:02:19 2006 Return-Path: X-Original-To: stable@freebsd.org Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id ED4CF16A51A; Wed, 17 May 2006 13:02:19 +0000 (UTC) (envelope-from dmitry@atlantis.dp.ua) Received: from postman.atlantis.dp.ua (postman.atlantis.dp.ua [193.108.47.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id D623D43D45; Wed, 17 May 2006 13:02:16 +0000 (GMT) (envelope-from dmitry@atlantis.dp.ua) Received: from smtp.atlantis.dp.ua (smtp.atlantis.dp.ua [193.108.46.231]) by postman.atlantis.dp.ua (8.13.1/8.13.1) with ESMTP id k4HD23Le095901; Wed, 17 May 2006 16:02:03 +0300 (EEST) (envelope-from dmitry@atlantis.dp.ua) Date: Wed, 17 May 2006 16:02:03 +0300 (EEST) From: Dmitry Pryanishnikov To: Dimitry Andric In-Reply-To: <446B0AF3.1070302@andric.com> Message-ID: <20060517155437.T89154@atlantis.atlantis.dp.ua> References: <200605160135.TAA04838@lariat.net> <57d710000605151942p2461338au561269fc5937aee7@mail.gmail.com> <7.0.1.0.2.20060515225038.08d72690@lariat.org> <446981CD.5000309@gmail.com> <4469C668.2060807@rerowe.com> <7.0.1.0.2.20060516104907.08788ad8@lariat.org> <446A0608.10608@freebsd.org> <20060517130629.T64952@atlantis.atlantis.dp.ua> <446B0AF3.1070302@andric.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Brett Glass , stable@freebsd.org, Colin Percival Subject: Re: 4.11 snapshots? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 May 2006 13:02:20 -0000 Hello! On Wed, 17 May 2006, Dimitry Andric wrote: >> (INVARIANTS removed) RELENG_6 (and 5) _still_ uses >= 50% of CPU time >> for (Intr+Sys), while RELENG_4 doesn't use more than 28% for them. > > Just as a test for RELENG_6, could you try setting kern.hz="100" in your > loader.conf, and repeating your tests? I'm just guessing, but maybe the > higher interrupt rate is a bit too much for an old Celeron... :) This (setting kern.hz="100" in loader.conf) was actually the first thing that I've done in order to get fair comparison. My numbers are got with hz = 100 for every RELENG_x (x=4,5,6). > Cheers, > Dimitry Sincerely, Dmitry -- Atlantis ISP, System Administrator e-mail: dmitry@atlantis.dp.ua nic-hdl: LYNX-RIPE