From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755865AbYGJH4Z (ORCPT ); Thu, 10 Jul 2008 03:56:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752025AbYGJH4R (ORCPT ); Thu, 10 Jul 2008 03:56:17 -0400 Received: from wf-out-1314.google.com ([209.85.200.169]:32967 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750898AbYGJH4Q (ORCPT ); Thu, 10 Jul 2008 03:56:16 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=FQDRBra3ISXAzZQkH4k/2INdO0rzjiz6tmo9+oPSzxeZik29GXPb1UirUtv+BCYddn WF+SMwiOFX/6KEWOCy38SloyCvNTJFtLmUD2IvTr+Gq8EHryPvfqemWezMCtRdaHGYhl D3FMFqjFVGPu0HdmkRH1F0NqYZarJ7LySeRrk= Message-ID: <19f34abd0807100056j5a481c81k1ec9d5c398e5924c@mail.gmail.com> Date: Thu, 10 Jul 2008 09:56:16 +0200 From: "Vegard Nossum" To: "Theodore Ts'o" Subject: Re: Mysterious high wakeups-from-idle per second Cc: linux-kernel@vger.kernel.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 10, 2008 at 5:14 AM, Theodore Ts'o wrote: > > I'm not sure when this started happening, as I haven't needed to run on > battery a lot, but I recently noticed (using a 2.6.26-rc9 kernel) that my > power utilization is 2-3 watts on my laptop higher than normal. Running > powertop I see: Hi, I reported a similar (but not the same) problem earlier and one of the suggestions was to boot with idle=mwait. (And that fixed it for me, though the problem was fixed in code later.) I'm not sure it's related to your problem, but I guess it's worth a try? Vegard -- "The animistic metaphor of the bug that maliciously sneaked in while the programmer was not looking is intellectually dishonest as it disguises that the error is the programmer's own creation." -- E. W. Dijkstra, EWD1036