Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751721AbWCDAIy (ORCPT ); Fri, 3 Mar 2006 19:08:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751766AbWCDAIy (ORCPT ); Fri, 3 Mar 2006 19:08:54 -0500 Received: from cantor2.suse.de ([195.135.220.15]:62881 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1751721AbWCDAIy (ORCPT ); Fri, 3 Mar 2006 19:08:54 -0500 From: Andi Kleen To: Jeff Garzik Subject: Re: AMD64 X2 lost ticks on PM timer Date: Sat, 4 Mar 2006 01:08:40 +0100 User-Agent: KMail/1.8 Cc: "Bill Rugolsky Jr." , Lee Revell , Jason Baron , linux-kernel@vger.kernel.org, john stultz , Ingo Molnar References: <200602280022.40769.darkray@ic3man.com> <20060303234330.GA14401@ti64.telemetry-investments.com> <4408D55F.4090105@garzik.org> In-Reply-To: <4408D55F.4090105@garzik.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200603040108.41490.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 562 Lines: 14 On Saturday 04 March 2006 00:46, Jeff Garzik wrote: > More likely is a disabled interrupt period is longer than a > tick period, or similar. Then the ticks wouldn't be attributed to idle and softirq. They are both special in that they do an unconditional local_irq_enable() instead of the usual save/restore. -Andi - 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/