From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Packard Subject: Re: Massive power regression going 3.4->3.5 Date: Mon, 30 Jul 2012 11:23:41 -0700 Message-ID: <864nop2jma.fsf@sumi.keithp.com> References: <1343477958.2891.6.camel@dabdike.int.hansenpartnership.com> <1343557599.2745.1.camel@dabdike.int.hansenpartnership.com> <201207291544.26334.rjw@sisk.pl> <201207292125.21376.rjw@sisk.pl> <1343641574.2905.2.camel@dabdike.int.hansenpartnership.com> <1343660041.2966.2.camel@dabdike.int.hansenpartnership.com> <86a9yh2oqe.fsf@sumi.keithp.com> <1343667940.5640.1.camel@dabdike.int.hansenpartnership.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1362119415==" Return-path: Received: from keithp.com (home.keithp.com [63.227.221.253]) by gabe.freedesktop.org (Postfix) with ESMTP id 75AE49E860 for ; Mon, 30 Jul 2012 11:23:48 -0700 (PDT) In-Reply-To: <1343667940.5640.1.camel@dabdike.int.hansenpartnership.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: James Bottomley Cc: "Rafael J. Wysocki" , Greg Kroah-Hartman , dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org --===============1362119415== Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" --=-=-= Content-Transfer-Encoding: quoted-printable James Bottomley writes: > On Mon, 2012-07-30 at 09:33 -0700, Keith Packard wrote: >> James Bottomley writes: >>=20 >> > OK, I've run the bisect as far as I can. It looks to be in the drm >> > tree. Unfortunately, this tree has several merge points, some of which >> > go further back than v3.4. Unfortunately, once the bisect steps back >> > before 3.4, we lose the changes that gave us the power savings, making >> > further debugging impossible >>=20 >> What machine is this on? There are a few 'disable some power savings' >> patches in that list to work around issues on various machines; knowing >> what machine you're using can isolate which ones might have had some >> effect on power usage... > > Lenovo X220i I don't see a whole lot of context from the elided email bits you'd sent previously; can you summarize the issue in terms of how much power savings you're losing, how you're measuring it and what's going on in the system when the power savings is different? Have you tried measuring power with X not running? How about with compositing and other desktop effects disabled?=20 =2D-=20 keith.packard@intel.com --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUBUBbRLTYtFsjWk68qAQiLNA//RdoVC4s9E4pvPZMVH9h1IKK1mjGzRtZ3 KZHGbf0LGzg7TxsrhLJ+vHBkFea84WpJHArAOP+ceMwa8nWHDV/SXbwxboeAdfzz vTswtGzUJqzrZ3PZ72HqSfP4s+zNv96kSOF4AHlQm1XAFJrCGpi5z75k4rwUod2m cAoVJtb4F8cpLKrp6w218zDJm9fu0VFjG13tfxtoUUqKRSsL8CCFJ/bBXPanBHVl 8eP+Y/MLYfIYCqBmVdbqJ/lTVlajXWrhORs7Ual9F8hZ9+PbmvrShNAR/glW8S/P XH3sqf6d7C8lj5QEgm33t1ANIqWctFPGWioCt0BRqPI+WII/Izsg/QIiJHWRbrnM vcpodoNmTr8XjGCGKbzgIRSBgdp0dULX0AG1fi31ajym0LtxCh7tcOp9xqUvEXQG aa8vhUT4AY8Sl4RXAiXQ3FihlupSoe5GqqqRGuZcen/sNIo6da8W9A/HgQLoe/HW +3pgIpe7CbN9wRn69dbZNR7wntdqr/Z9Eexoy+QRk2kvfntYXMLVsB0o2dfckX9I ouDAgdrzSwMENZIgcmu0D7vQ2eFPiiQ3WL6lRL6BdhFU6D84c7BfiCzEUzGyJYcc IaXvzOIwfEHaVWveyE0VfuGed6+ueN6K4V/CRvgDCVQ4rH375nqNFsnMdS2sykLN Kq5XsPMcXV4= =fA2l -----END PGP SIGNATURE----- --=-=-=-- --===============1362119415== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel --===============1362119415==--