From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752457AbXCPFdJ (ORCPT ); Fri, 16 Mar 2007 01:33:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752505AbXCPFdI (ORCPT ); Fri, 16 Mar 2007 01:33:08 -0400 Received: from hera.kernel.org ([140.211.167.34]:45329 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752457AbXCPFdF (ORCPT ); Fri, 16 Mar 2007 01:33:05 -0400 From: Len Brown Organization: Intel Open Source Technology Center To: Norberto Bensa Subject: Re: core2 duo, interrupts: is this normal? Date: Fri, 16 Mar 2007 01:31:46 -0400 User-Agent: KMail/1.9.5 Cc: Linux Kernel References: <200703152224.54607.nbensa@gmx.net> In-Reply-To: <200703152224.54607.nbensa@gmx.net> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200703160131.46789.lenb@kernel.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 15 March 2007 21:24, Norberto Bensa wrote: > Hello, > > is this output, normal? I meant, why counters on CPU1 is zero? Isn't this > balanced? yes, it is normal. If you had an interrupt-limited workload then irqbalance would pick things up and spread them out. -Len > $ cat /proc/interrupts > CPU0 CPU1 > 0: 4180170 0 IO-APIC-edge timer > 1: 8060 0 IO-APIC-edge i8042 > 7: 0 0 IO-APIC-edge parport0 > 9: 0 0 IO-APIC-fasteoi acpi > 12: 5 0 IO-APIC-edge i8042 > 16: 322297 0 IO-APIC-fasteoi uhci_hcd:usb3, libata, nvidia, > EMU10K1 > 17: 896399 0 IO-APIC-fasteoi bttv0, eth0, libata > 18: 72867 0 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb7 > 19: 27770 0 IO-APIC-fasteoi ehci_hcd:usb2, uhci_hcd:usb5 > 20: 0 0 IO-APIC-fasteoi uhci_hcd:usb4 > 21: 0 0 IO-APIC-fasteoi uhci_hcd:usb6 > 22: 3 0 IO-APIC-fasteoi ohci1394 > 23: 155 0 IO-APIC-fasteoi HDA Intel > 219: 103056 0 PCI-MSI-edge libata > NMI: 0 0 > LOC: 4077613 4077622 > ERR: 0 > MIS: 0 > > > Many thanks in advance, > Norberto > - > 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/ >