From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932552AbWFSXve (ORCPT ); Mon, 19 Jun 2006 19:51:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932556AbWFSXve (ORCPT ); Mon, 19 Jun 2006 19:51:34 -0400 Received: from mx1.redhat.com ([66.187.233.31]:64989 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S932553AbWFSXvd (ORCPT ); Mon, 19 Jun 2006 19:51:33 -0400 Date: Mon, 19 Jun 2006 19:51:28 -0400 From: Dave Jones To: art@usfltd.com Cc: linux-kernel@vger.kernel.org Subject: Re: kernel-x64-smp-multiprocessor-speed & bogomips problem in /proc/cpuinfo Message-ID: <20060619235128.GA22345@redhat.com> Mail-Followup-To: Dave Jones , art@usfltd.com, linux-kernel@vger.kernel.org References: <20060619183134.ow8kexp0jd6o0wck@69.222.0.225> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060619183134.ow8kexp0jd6o0wck@69.222.0.225> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 19, 2006 at 06:31:34PM -0500, art@usfltd.com wrote: > kernel-x64-smp-multiprocessor-speed & bogomips problem in /proc/cpuinfo > > $cat /proc/cpuinfo > processor : 0 > vendor_id : AuthenticAMD > cpu family : 15 > model : 43 > model name : AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ > stepping : 1 > cpu MHz : 1000.000 > cache size : 512 KB > physical id : 0 > siblings : 2 > core id : 0 > cpu cores : 2 > fpu : yes > fpu_exception : yes > cpuid level : 1 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge > mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext > fxsr_opt lm 3dnowext 3dnow pni lahf_lm cmp_legacy > bogomips : 2005.64 > TLB size : 1024 4K pages > clflush size : 64 > cache_alignment : 64 > address sizes : 40 bits physical, 48 bits virtual > power management: ts fid vid ttp ^^^^^^^ Your cpu can (and is) scaling its speed & voltage to save power. Bogomips will scale accordingly. Dave -- http://www.codemonkey.org.uk