From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932393Ab1CWSO7 (ORCPT ); Wed, 23 Mar 2011 14:14:59 -0400 Received: from mout1.freenet.de ([195.4.92.91]:39999 "EHLO mout1.freenet.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754946Ab1CWSO6 (ORCPT ); Wed, 23 Mar 2011 14:14:58 -0400 Message-ID: <4D8A38DD.80207@dualc.maya.org> Date: Wed, 23 Mar 2011 19:15:57 +0100 From: Andreas Hartmann User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:2.0b13pre) Gecko/20110316 Firefox/4.0b13pre SeaMonkey/2.1b2pre MIME-Version: 1.0 To: Jesse Barnes CC: linux-kernel@vger.kernel.org Subject: Re: intel_ips produces constant load of 1 References: <20110321110404.6a71a404@jbarnes-desktop> <20110322132555.715dc096@jbarnes-desktop> In-Reply-To: <20110322132555.715dc096@jbarnes-desktop> X-Enigmail-Version: 1.2a1pre Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jesse Barnes wrote: > On Mon, 21 Mar 2011 11:04:04 -0700 > Jesse Barnes wrote: > >>> ps aux | grep ips >>> root 593 0.0 0.0 0 0 ? S 17:20 0:00 >>> [ips-adjust] >>> root 594 0.0 0.0 0 0 ? D 17:20 0:00 >>> [ips-monitor] >>> >>> If the module isn't loaded, the load of the machine in idle mode is 0 as >>> expected. >> >> This is a reporting problem, and probably due to the schedule() call >> and associated task state in the ips-monitor thread. I thought setting >> the task state to interruptible would prevent this, but it seems like >> it's not enough for the deferrable on-stack timers? >> >> At any rate, it's not actually causing increased CPU usage, so you can >> safely ignore it until we have a fix. > > Oops, one task uses interruptible correctly, but the monitor thread > doesn't. > > Does this patch fix your load average? Which patch? I can't see any patch :-). Andreas