Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932233AbWEPWjY (ORCPT ); Tue, 16 May 2006 18:39:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932248AbWEPWjX (ORCPT ); Tue, 16 May 2006 18:39:23 -0400 Received: from gate.crashing.org ([63.228.1.57]:58328 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S932233AbWEPWjX (ORCPT ); Tue, 16 May 2006 18:39:23 -0400 Subject: Re: ppc: bogomips at 73 when CPU is at 1GHz From: Benjamin Herrenschmidt To: Junichi Uekawa Cc: linux-kernel@vger.kernel.org, debian-powerpc@lists.debian.org In-Reply-To: <87ac9hzn1g.dancerj%dancer@netfort.gr.jp> References: <87ac9hzn1g.dancerj%dancer@netfort.gr.jp> Content-Type: text/plain Date: Wed, 17 May 2006 08:37:13 +1000 Message-Id: <1147819034.6753.17.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 583 Lines: 20 On Wed, 2006-05-17 at 06:18 +0900, Junichi Uekawa wrote: > Hi, > > I've noticed the very log value on bogomips on self-compiled 2.6.16.16 > on iBook G4. .../... Normal. We don't use CPU bogo loops for short timings, we use the CPU timebase instead, thus you now get bogomips derived from the timebae frequency of the machine. Ben. - 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/