Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 3 Feb 2003 13:48:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 3 Feb 2003 13:48:12 -0500 Received: from h80ad247a.async.vt.edu ([128.173.36.122]:10891 "EHLO turing-police.cc.vt.edu") by vger.kernel.org with ESMTP id ; Mon, 3 Feb 2003 13:48:11 -0500 Message-Id: <200302031857.h13IvHa0025735@turing-police.cc.vt.edu> X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4+dev To: John Bradford Cc: assembly@gofree.indigo.ie (Seamus), linux-kernel@vger.kernel.org Subject: Re: CPU throttling?? In-Reply-To: Your message of "Mon, 03 Feb 2003 17:13:02 GMT." <200302031713.h13HD2K8000181@darkstar.example.net> From: Valdis.Kletnieks@vt.edu References: <200302031713.h13HD2K8000181@darkstar.example.net> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_180667911P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Mon, 03 Feb 2003 13:57:17 -0500 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1074 Lines: 35 --==_Exmh_180667911P Content-Type: text/plain; charset=us-ascii On Mon, 03 Feb 2003 17:13:02 GMT, John Bradford said: > Incidently, Linux has always halted the processor, rather than spun in > an idle loop, which saves power. It's conceivable that a CPU halted at 1.2Gz takes less power than one at 1.6Gz - anybody have any actual data on this? Alternately phrased, does CPU throttling save power over and above what the halt does? -- Valdis Kletnieks Computer Systems Senior Engineer Virginia Tech --==_Exmh_180667911P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQE+PruNcC3lWbTT17ARAinUAJ4nBX4n8ApxcQe7J1zADoWhwbOnygCfba8x tYK8cx0+GN29ZSmYGXsXgUw= =jaCU -----END PGP SIGNATURE----- --==_Exmh_180667911P-- - 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/