From owner-freebsd-net@FreeBSD.ORG Fri Jul 27 23:02:52 2007 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 66C8C16A417 for ; Fri, 27 Jul 2007 23:02:52 +0000 (UTC) (envelope-from m.oe@x-trader.de) Received: from mxpool.hostedoffice.ag (fw1.hostedoffice.ag [81.20.90.82]) by mx1.freebsd.org (Postfix) with ESMTP id EB7DC13C45B for ; Fri, 27 Jul 2007 23:02:51 +0000 (UTC) (envelope-from m.oe@x-trader.de) Received: from qhexhub1.hosting.inetserver.de (10.20.10.20) by activesync.hostedoffice.ag (10.20.9.11) with Microsoft SMTP Server (TLS) id 8.0.685.24; Sat, 28 Jul 2007 00:52:14 +0200 Received: from [192.168.100.100] (84.177.229.163) by mail.hostedoffice.ag (10.20.10.20) with Microsoft SMTP Server id 8.0.685.24; Sat, 28 Jul 2007 00:51:59 +0200 Message-ID: <46AA7710.2070803@x-trader.de> Date: Sat, 28 Jul 2007 00:52:00 +0200 From: Markus Oestreicher User-Agent: Thunderbird 1.5.0.12 (Windows/20070509) MIME-Version: 1.0 To: Gergely CZUCZY References: <20070727115520.GA10957@harmless.hu> In-Reply-To: <20070727115520.GA10957@harmless.hu> Content-Type: text/plain; charset="ISO-8859-15"; format=flowed Content-Transfer-Encoding: 7bit Cc: "freebsd-net@freebsd.org" Subject: Re: more interrupts with polling(4) on em(4) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Jul 2007 23:02:52 -0000 Gergely CZUCZY schrieb: > Good morning, > > I've noticed 33K interrupts/sec on an em(4) gigabit interface on > a box. This many interrupts seemed a bit too high, so I thought > I should enable polling(4). After enabling it i've got 55K per > second, even higher. > > I've just done "ifconfig em1 polling", and by this the number > of interrupts increased. How does vmstat -i look like before and after? Markus