From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263571AbTDTNLq (ORCPT ); Sun, 20 Apr 2003 09:11:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263572AbTDTNLq (ORCPT ); Sun, 20 Apr 2003 09:11:46 -0400 Received: from zork.zork.net ([66.92.188.166]:12001 "EHLO zork.zork.net") by vger.kernel.org with ESMTP id S263571AbTDTNLp (ORCPT ); Sun, 20 Apr 2003 09:11:45 -0400 To: linux-kernel@vger.kernel.org Subject: irq balancing; kernel vs. userspace From: Sean Neakums X-Worst-Pick-Up-Line-Ever: "Hey baby, wanna peer with my leafnode instance?" X-Message-Flag: Message text advisory: ARGUMENTUM AD BACULUM, HACKING X-Mailer: Norman X-Groin-Mounted-Steering-Wheel: "Arrrr... it's driving me nuts!" X-Alameda: WHY DOESN'T ANYONE KNOW ABOUT ALAMEDA? IT'S RIGHT NEXT TO OAKLAND!!! Organization: The Emadonics Institute Mail-Followup-To: linux-kernel@vger.kernel.org Date: Sun, 20 Apr 2003 14:23:46 +0100 In-Reply-To: (Linus Torvalds's message of "Sat, 19 Apr 2003 20:11:40 -0700 (PDT)") Message-ID: <6uwuhpl2u5.fsf@zork.zork.net> User-Agent: Gnus/5.090019 (Oort Gnus v0.19) Emacs/21.2 (gnu/linux) References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I thought I'd play with the userspace IRQ-balancer, but booting with noirqbalance seems not to not balance. Possibly I misunderstand how this all fits together. $ uname -a Linux peng-33 2.5.68 #1 SMP Sun Apr 20 13:06:57 IST 2003 i686 unknown unknown GNU/Linux $ cat /proc/cmdline auto BOOT_IMAGE=default ro root=801 noirqbalance $ cat /proc/interrupts CPU0 CPU1 0: 853487 854900 IO-APIC-edge timer 1: 9 4 IO-APIC-edge i8042 2: 0 0 XT-PIC cascade 4: 15548 15161 IO-APIC-edge serial 8: 2 1 IO-APIC-edge rtc 9: 3 2 IO-APIC-level eth1 10: 1784 1805 IO-APIC-level via82cxxx, eth0 11: 10939 10860 IO-APIC-level aic7xxx 12: 39 21 IO-APIC-edge i8042 NMI: 0 0 LOC: 1708150 1708149 ERR: 0 MIS: 0 -- Sean Neakums -