From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 05 Jun 2006 11:23:13 +0200 (CEST) Received: from localhost.localdomain ([127.0.0.1]:32967 "EHLO bacchus.dhis.org") by ftp.linux-mips.org with ESMTP id S8133489AbWFEJXF (ORCPT ); Mon, 5 Jun 2006 11:23:05 +0200 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by bacchus.dhis.org (8.13.6/8.13.4) with ESMTP id k559N4tT003612; Mon, 5 Jun 2006 10:23:04 +0100 Received: (from ralf@localhost) by denk.linux-mips.net (8.13.6/8.13.6/Submit) id k559N4wn003611; Mon, 5 Jun 2006 10:23:04 +0100 Date: Mon, 5 Jun 2006 10:23:04 +0100 From: Ralf Baechle To: art Cc: linux-mips@linux-mips.org Subject: Re: Perfomance problem on MIPS Message-ID: <20060605092304.GA3132@linux-mips.org> References: <15613.060605@sigrand.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <15613.060605@sigrand.ru> User-Agent: Mutt/1.4.2.1i Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 11664 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Mon, Jun 05, 2006 at 02:43:47PM +0700, art wrote: > Hello all! > I work with processor: MIPS 4KC. > I check network performance without iptables & conntrac enabled > and it has near 80Mbit/s. > When I enable (without adding rules) network performance was > near 40Mbit/s. > While testing ksoftirqd is get near 50% of cpu. And (it is so > strange) top eats the same! However cpu has 100% load and > perfomance is real bad. > Has anybody same problem? Just loading the connection tracking module will pull networking performance into a deep hole, no surprise there. All your numbers are on the low side though. What clock rate is your CPU running? Ralf