From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Agius Subject: Re: Beagleboard xM - Bogomips are very low Date: Wed, 20 Mar 2013 08:48:40 -0400 Message-ID: <5149B028.9010703@yahoo.com> References: <5148819A.5040500@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from plane.gmane.org ([80.91.229.3]:44007 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934250Ab3CTMsv (ORCPT ); Wed, 20 Mar 2013 08:48:51 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1UIIS8-0004Ol-Em for linux-omap@vger.kernel.org; Wed, 20 Mar 2013 13:49:12 +0100 Received: from 99-178-168-231.lightspeed.rlghnc.sbcglobal.net ([99.178.168.231]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 20 Mar 2013 13:49:12 +0100 Received: from ftagius by 99-178-168-231.lightspeed.rlghnc.sbcglobal.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 20 Mar 2013 13:49:12 +0100 In-Reply-To: <5148819A.5040500@free.fr> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org Cc: linux-omap@vger.kernel.org On 3/19/2013 11:17 AM, Guillaume Gardet wrote: > Hi, > > On a Beagleboard xM rev. B, I noticed that vanilla kernel 3.4.6 have the > folowing bogomips for 300MHz and 800 MHz operations: 262.08 and 700.57. > > With kernel 3.7.10, I have : 175.65 and 467.41 bogompis. > > Any idea why bogomips are so low now? > I believe this is the reason for the BogoMIPS change: http://www.spinics.net/lists/arm-kernel/msg221672.html It looks like BogoMIPS reporting changed because of the delay routine patch introduced in 3.6. So the change in BogoMIPS is real, but should not be a concern. frank agius > Guillaume > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >