From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751449AbXA3W3p (ORCPT ); Tue, 30 Jan 2007 17:29:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751837AbXA3W3p (ORCPT ); Tue, 30 Jan 2007 17:29:45 -0500 Received: from mga09.intel.com ([134.134.136.24]:39182 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751449AbXA3W3o (ORCPT ); Tue, 30 Jan 2007 17:29:44 -0500 X-ExtLoop1: 1 X-IronPort-AV: i="4.13,259,1167638400"; d="scan'208"; a="41295159:sNHT17216397" Date: Tue, 30 Jan 2007 13:57:09 -0800 From: "Siddha, Suresh B" To: Ingo Molnar Cc: "Siddha, Suresh B" , vatsa@in.ibm.com, clameter@sgi.com, tglx@linutronix.de, arjan@linux.intel.com, linux-kernel@vger.kernel.org Subject: Re: [RFC] Patch: dynticks: idle load balancing Message-ID: <20070130135709.B32010@unix-os.sc.intel.com> References: <20061211155304.A31760@unix-os.sc.intel.com> <20061213224317.GA2986@elte.hu> <20061213231316.GA13849@elte.hu> <20061213150314.B12795@unix-os.sc.intel.com> <20061213233157.GA20470@elte.hu> <20061213151926.C12795@unix-os.sc.intel.com> <20061219201247.GA12648@elte.hu> <20061219131223.E23105@unix-os.sc.intel.com> <20070116113505.GA6294@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20070116113505.GA6294@elte.hu>; from mingo@elte.hu on Tue, Jan 16, 2007 at 12:35:05PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Sorry for the delayed response. I was away on vacation. Please let me know if you still see this issue with the latest -rt kernel. thanks, suresh On Tue, Jan 16, 2007 at 12:35:05PM +0100, Ingo Molnar wrote: > > Suresh, > > on the latest -rt kernel, when the dynticks load-balancer is enabled, > then a dual-core Core2 Duo test-system increases its irq rate from the > normal 15/17 per second to 300-400/sec - on a completely idle system(!). > Any idea what's going on? I'll disable the load balancer for now. > > Ingo