Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754284AbaFCLua (ORCPT ); Tue, 3 Jun 2014 07:50:30 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:39319 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932238AbaFCLu0 (ORCPT ); Tue, 3 Jun 2014 07:50:26 -0400 Date: Tue, 3 Jun 2014 13:50:15 +0200 From: Peter Zijlstra To: Morten Rasmussen Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, mingo@kernel.org, rjw@rjwysocki.net, vincent.guittot@linaro.org, daniel.lezcano@linaro.org, preeti@linux.vnet.ibm.com, dietmar.eggemann@arm.com Subject: Re: [RFC PATCH 06/16] arm: topology: Define TC2 sched energy and provide it to scheduler Message-ID: <20140603115015.GZ11096@twins.programming.kicks-ass.net> References: <1400869003-27769-1-git-send-email-morten.rasmussen@arm.com> <1400869003-27769-7-git-send-email-morten.rasmussen@arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="vRyMahX6VF+pdQvX" Content-Disposition: inline In-Reply-To: <1400869003-27769-7-git-send-email-morten.rasmussen@arm.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --vRyMahX6VF+pdQvX Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, May 23, 2014 at 07:16:33PM +0100, Morten Rasmussen wrote: > +static struct capacity_state cap_states_cluster_a7[] = { > + /* Cluster only power */ > + { .cap = 358, .power = 2967, }, /* 350 MHz */ > + { .cap = 410, .power = 2792, }, /* 400 MHz */ > + { .cap = 512, .power = 2810, }, /* 500 MHz */ > + { .cap = 614, .power = 2815, }, /* 600 MHz */ > + { .cap = 717, .power = 2919, }, /* 700 MHz */ > + { .cap = 819, .power = 2847, }, /* 800 MHz */ > + { .cap = 922, .power = 3917, }, /* 900 MHz */ > + { .cap = 1024, .power = 4905, }, /* 1000 MHz */ > + }; So one thing I remember was that we spoke about restricting this to frequency levels where the voltage changed. Because voltage jumps were the biggest factor to energy usage. Any word on that? --vRyMahX6VF+pdQvX Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJTjbZ3AAoJEHZH4aRLwOS6k+wP/iAWSFRkz+/cs5djHQ20w4aH tpHWsW49yNN9nv1xuO765uGlosjocwsommQN00MqkYmeEh1J58AI0BhW+WmtXhW2 duQUix1z1mN3pFnK5lFt/EKK1OMIqh8q8Z9ML9nLLAYSvAOSqAzFKoMHNtn1C5tP hnduYqHH0d9hX8u3g1rt+mpL5HpSv9QKgI7qzeVo2luyMzKcgN89EhnvmTF5amMz gATpdy3hYMsbiykHJRoTpW83hlA/G3ACv/VKqsppiS48pwA5RLbBQxhQU9ZQG7Fl pxuSiQGx8uxskcHnMmMp3xdkIDRry0wb7bKfPnDYeCPN2YZT33dR0fgIoNZLcga2 0Ccogu980hjil8LwbptMJ7WyRZbPmloL3jct+37E2Y2RGeN5x3zeOMWvypCmvauj GWR+C/nadmhct2FH2Dn0OFTMpFN0St+p06oJAAjb5mew3pL9y9zDaC4pOUD65PnP RL5Bbx4qIUoWlYCQNVzohfIcWEjsKKMkHJkF8Ja8lt/4dpwSzLhncpOMhb82n9pB lJhJLqzloWvRgTTiINMdoZOlh6BApb7lX12um2l2uLZxBnGzSePW39kiqF9mtdmJ 4nkhR8mB9BXvMTaB6AF+VkjFEz0BxVE7bQLcKlzMg0EmIOiwnhBDALHDMJAVFc6i QO3yoz+0JU7Q6q+Pp2+J =oEeP -----END PGP SIGNATURE----- --vRyMahX6VF+pdQvX-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/