From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933588AbYD1KDy (ORCPT ); Mon, 28 Apr 2008 06:03:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762992AbYD1KDo (ORCPT ); Mon, 28 Apr 2008 06:03:44 -0400 Received: from fg-out-1718.google.com ([72.14.220.158]:44792 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755248AbYD1KDn (ORCPT ); Mon, 28 Apr 2008 06:03:43 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:references:in-reply-to:cc:mime-version:content-type:content-transfer-encoding:message-id; b=KHRiW9c92G43s+ZUDmiRVHy9gWFDV0ZiiPM/uNatGClzNoeyLCovF47gePJMT1YBiFAl1l6pytj9TOhA6SktOraQtuyf1RcnMXFZBHVNUuaoxUmtUq3IeOYvCfkddNhb66itVl4AO5RAf1HzWhk2wpuTACJ1PWMPu7Wp8nbR/vM= From: Daniel Klaffenbach To: Len Brown Subject: Re: [2.6.25-stable PATCH] regression: powertop says 120K wakeups/sec Date: Mon, 28 Apr 2008 12:09:47 +0200 User-Agent: KMail/1.9.9 References: <200804242015.19462.lenb@kernel.org> In-Reply-To: <200804242015.19462.lenb@kernel.org> Cc: Linux Kernel Mailing List , venkatesh.pallipadi@intel.com MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart3129415.DJzEZSymnR"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200804281209.47927.danielklaffenbach@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart3129415.DJzEZSymnR Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline > commit 0fda6b403f0eca66ad8a7c946b3996e359100443 > > Patch to fix huge number of wakeups reported due to recent changes in > processor_idle.c. The problem was that the entry_method determination was > broken due to one of the recent commits (bc71bec91f987) causing > C1 entry to not to go to halt. > > http://lkml.org/lkml/2008/3/22/124 > > Signed-off-by: Venkatesh Pallipadi > Signed-off-by: Len Brown OK, this fixes my issue with the massive amount of wakeups: http://lkml.org/lkml/2008/4/24/70 However the CPU does not really go to C1 or C2 after applying this patch to= =20 the latest git kernel: Cn Avg residency P-states (frequencies) C0 (cpu running) (99,4%) 1,80 Ghz 0,0% C1 0,0ms ( 0,0%) 1,60 Ghz 0,0% C2 0,0ms ( 0,6%) 800 Mhz 100,0% =2D Daniel --nextPart3129415.DJzEZSymnR Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.7 (GNU/Linux) iD8DBQBIFaJrM8RD99ZskA8RAnwsAJ9dJFMYybFlYXS8N7bWDLK+1Wo/7wCeOl4l 1baAPQDgPPvfrgWJOOG/2f4= =UVCY -----END PGP SIGNATURE----- --nextPart3129415.DJzEZSymnR--