From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935434AbYD1SB1 (ORCPT ); Mon, 28 Apr 2008 14:01:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933561AbYD1SBO (ORCPT ); Mon, 28 Apr 2008 14:01:14 -0400 Received: from ug-out-1314.google.com ([66.249.92.172]:30521 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763964AbYD1SBN (ORCPT ); Mon, 28 Apr 2008 14:01:13 -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=CHRXKTXamTTyrGlkTgqoLLR9GFwGJ9eMCzYhYN0sH7pj/DPPgwAKU3CephIPPH8evTAWAwHnz8fhiWbHJntipsP9+/34w9r1xAY4OGWJZ4ovYt3UVPHQyTvo8/4ha2BNcpJsjLP27eGyleRK/v+Rln7nU+dHJ1JHTrlcYNKiOoU= From: Daniel Klaffenbach To: "Pallipadi, Venkatesh" Subject: Re: [2.6.25-stable PATCH] regression: powertop says 120K wakeups/sec Date: Mon, 28 Apr 2008 20:01:00 +0200 User-Agent: KMail/1.9.9 References: <200804242015.19462.lenb@kernel.org> <200804281209.47927.danielklaffenbach@gmail.com> <924EFEDD5F540B4284297C4DC59F3DEEF31621@orsmsx423.amr.corp.intel.com> In-Reply-To: <924EFEDD5F540B4284297C4DC59F3DEEF31621@orsmsx423.amr.corp.intel.com> Cc: "Len Brown" , "Linux Kernel Mailing List" MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1999919.mZ0I2DdeAx"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200804282001.06680.danielklaffenbach@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart1999919.mZ0I2DdeAx Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Pallipadi, Venkatesh wrote: > Did C1, C2 work fine with 2.6.24? > Can you send me the full dmesg when it is failing to enter C1, C2 with > latest git + patch. > Output of > #grep . /sys/devices/system/cpu/cpu*/cpuidle/*/* > And also attach the acpidump output (pmtools package here > http://www.lesswatts.org/projects/acpi/utilities.php) No, C1/C2 did not seem to work with 2.6.24 - at least powertop reported 99,= 9%=20 C0 usage. It was the same behavior as after applying the wakeup patch.=20 However in 2.6.25 and 2.6.25-git11 C1/C2 worked correctly and C2 showed up = in=20 pt. But after applying your patch to 2.6.25-git11 they did not: git11: PowerTOP version 1.9 (C) 2007 Intel Corporation Cn Avg residency P-states (frequencies) C0 (cpu running) ( 9,4%) 1,80 Ghz 100,0% C1 0,0ms ( 0,0%) 1,60 Ghz 0,0% C2 0,4ms (90,6%) 800 Mhz 0,0% Wakeups-from-idle per second : 9051,0 interval: 5,0s git11 with wakeup-patch: PowerTOP version 1.9 (C) 2007 Intel Corporation Cn Avg residency P-states (frequencies) C0 (cpu running) (99,9%) 1,80 Ghz 100,0% C1 0,0ms ( 0,0%) 1,60 Ghz 0,0% C2 0,2ms ( 0,1%) 800 Mhz 0,0% Wakeups-from-idle per second : 59,8 interval: 10,0s In both cases the system was idle. I've uploaded the files you wanted: http://www-user.tu-chemnitz.de/~klada/misc/kernel/cpuidle_git11.txt http://www-user.tu-chemnitz.de/~klada/misc/kernel/cpuidle_git11_wakeuppatch= =2Etxt http://www-user.tu-chemnitz.de/~klada/misc/kernel/dmesg_git11.txt http://www-user.tu-chemnitz.de/~klada/misc/kernel/dmesg_git11_wakeuppatch.t= xt http://www-user.tu-chemnitz.de/~klada/misc/kernel/nx6125_acpidump.out If there is anything else I can do for debugging this issue please let me=20 know. =2D Daniel --nextPart1999919.mZ0I2DdeAx 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) iD8DBQBIFhDiM8RD99ZskA8RArTbAJwO/3ORYomwNZPOY41B3+TH8nFmegCdH90X Dl6SKxwfSjUAt48NhzODS+I= =Kuf5 -----END PGP SIGNATURE----- --nextPart1999919.mZ0I2DdeAx--