From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263056AbTDVK2n (ORCPT ); Tue, 22 Apr 2003 06:28:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263076AbTDVK2n (ORCPT ); Tue, 22 Apr 2003 06:28:43 -0400 Received: from mail.ithnet.com ([217.64.64.8]:59658 "HELO heather.ithnet.com") by vger.kernel.org with SMTP id S263056AbTDVK2k (ORCPT ); Tue, 22 Apr 2003 06:28:40 -0400 Date: Tue, 22 Apr 2003 12:40:42 +0200 From: Stephan von Krawczynski To: Anton Petrusevich Cc: linux-kernel@vger.kernel.org Subject: Re: 2.4.x high irq contention Message-Id: <20030422124042.200a3a60.skraw@ithnet.com> In-Reply-To: <20030422033201.GA523@casus.home.my> References: <20030422033201.GA523@casus.home.my> Organization: ith Kommunikationstechnik GmbH X-Mailer: Sylpheed version 0.8.11 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I don't know much about your network load, but if you have a lot, then you should probably throw away the 8139 network card and use tulip or 3com instead. Regards, Stephan On Tue, 22 Apr 2003 10:32:01 +0700 Anton Petrusevich wrote: > Hi people, > > This is 2.4.21-pre4aa3, but the same applies to 2.4.20-vanilla, and i > think to any 2.4.x. The NIC is RTL-8139(8139too). I would really like to > know what could be done in this situation. The machine (p3-1GHz) is almost > unrespobsible. Yes, there are really network card interrupts. So, here it > goes. > # readprofile -m /boot/System.map | sort -nr +2 | head -20 > 2600 handle_IRQ_event 23.2143 > 268 system_call 4.7857 > 184 fget 3.8333 > 123 sock_poll 2.5625 > 421 kfree 2.1927 > 101 __free_pages 2.1042 > 288 do_softirq 2.0000 > 326 skb_copy_and_csum_dev 1.8523 > 56 restore_fpu 1.7500 > 232 send_sig_info 1.6111 > 123 poll_freewait 1.5375 > 174 __wake_up 1.3594 > 695 do_schedule 1.2776 > 19 sockfs_delete_dentry 1.1875 > 70 del_timer 1.0938 > 592 save_i387 1.0278 > 17 ret_from_sys_call 1.0000 > 111 skb_release_data 0.9911 > 58 __generic_copy_to_user 0.9062 > 115 do_pollfd 0.8984 > > -- > Anton Petrusevich > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/