From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750990AbWBUHr7 (ORCPT ); Tue, 21 Feb 2006 02:47:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751022AbWBUHr7 (ORCPT ); Tue, 21 Feb 2006 02:47:59 -0500 Received: from mail.astral.ro ([193.230.240.11]:32928 "EHLO mail.astral.ro") by vger.kernel.org with ESMTP id S1750948AbWBUHr7 (ORCPT ); Tue, 21 Feb 2006 02:47:59 -0500 Message-ID: <43FAC5AA.1030205@astral.ro> Date: Tue, 21 Feb 2006 09:47:54 +0200 From: Imre Gergely Organization: Astral Telecom SA User-Agent: Thunderbird 1.5 (X11/20051025) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: irq balance problems? X-Enigmail-Version: 0.93.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org hi i have kernel 2.6.9, with FC2, on an AMD64 Dual Opteron. [root@btv 28]# cat /proc/interrupts CPU0 CPU1 0: 22249515 39262513 IO-APIC-edge timer 1: 0 8 IO-APIC-edge i8042 2: 0 0 XT-PIC cascade 8: 0 0 IO-APIC-edge rtc 14: 1 13 IO-APIC-edge ide0 24: 10 441422068 IO-APIC-level ioc0, eth1 25: 171765170 5905 IO-APIC-level ioc1, eth2 28: 921 406066 IO-APIC-level eth0 NMI: 16960 6317 LOC: 61500529 61500464 ERR: 0 MIS: 0 i was wondering, if IRQ28's (eth0) affinity is set to the default "f" [root@btv 28]# cat /proc/irq/prof_cpu_mask f [root@btv 28]# cat /proc/irq/28/smp_affinity f and irqbalance is not running, why aren't the interrupts coming from eth0 balanced between the two processors? at least that's what i understood from the examples in Documentation/IRQ-affinity.txt. are there any other settings/kernel parameters/compile option one has to set? (pls msg me in private, i'm not on the list.) thanks