Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934103AbXHFXXQ (ORCPT ); Mon, 6 Aug 2007 19:23:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762788AbXHFXXE (ORCPT ); Mon, 6 Aug 2007 19:23:04 -0400 Received: from shawidc-mo1.cg.shawcable.net ([24.71.223.10]:29460 "EHLO pd3mo2so.prod.shaw.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762192AbXHFXXB (ORCPT ); Mon, 6 Aug 2007 19:23:01 -0400 Date: Mon, 06 Aug 2007 17:22:52 -0600 From: Robert Hancock Subject: Re: Few interrupts with NO_HZ In-reply-to: To: Jan Engelhardt Cc: Linux Kernel Mailing List Message-id: <46B7AD4C.1020806@shaw.ca> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit References: User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 840 Lines: 30 Jan Engelhardt wrote: > Hi, > > > this more of an informational question. So: > > kernel version is 2.6.22.1 on i686 > > /proc/uptime > 9917.81 9140.90 (2h45m) > > /proc/cpuinfo: > CPU0 > 0: 282 IO-APIC-edge timer > > this is kinda neat, I expected much more interrupts than just 282 since > boot. What kernel code actually uses the irq0 timer? The kernel likely switched to using the local APIC timer after bootup.. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/ - 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/