From mboxrd@z Thu Jan 1 00:00:00 1970 From: Henrique de Moraes Holschuh Subject: Re: Intel Xeon 5649 2.53GHz Turbo problem Date: Mon, 14 Nov 2011 01:29:28 -0200 Message-ID: <20111114032928.GA2360@khazad-dum.debian.net> References: <4EC02231.9030501@itcare.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from out2.smtp.messagingengine.com ([66.111.4.26]:56488 "EHLO out2.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752025Ab1KND3d (ORCPT ); Sun, 13 Nov 2011 22:29:33 -0500 Received: from compute4.internal (compute4.nyi.mail.srv.osa [10.202.2.44]) by gateway1.nyi.mail.srv.osa (Postfix) with ESMTP id 1278520E96 for ; Sun, 13 Nov 2011 22:29:32 -0500 (EST) Content-Disposition: inline In-Reply-To: <4EC02231.9030501@itcare.pl> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: =?utf-8?B?UGF3ZcWC?= Staszewski Cc: Linux PM list , linux-acpi@vger.kernel.org On Sun, 13 Nov 2011, Pawe=C5=82 Staszewski wrote: > How can I check if Turbo Boost is working with Xeon E5649 >=20 > I have turbostats that shows: > pk cr CPU %c0 GHz TSC %c1 %c3 %c6 %pc3 %pc6 > 56.12 2.67 2.53 43.88 0.00 0.00 0.00 0.00 ^^^^ It is working. > So 2.67Ghz - but based on Intel spec max Turbo freq. for this cpu is = 2.93Ghz You have too many cores active. You'll have to quiesce 4 cores into C6 to get 2.93GHz[1] out of the remaining 2 cores in the package. [1] http://www.intel.de/content/dam/doc/specification-update/xeon-5600-spec= ification-update.pdf --=20 "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html