From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752806Ab1GERzo (ORCPT ); Tue, 5 Jul 2011 13:55:44 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:56592 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752182Ab1GERzP (ORCPT ); Tue, 5 Jul 2011 13:55:15 -0400 Date: Tue, 5 Jul 2011 18:55:08 +0100 From: Matthew Garrett To: =?utf-8?B?5L+e6aKQ6LaF?= Cc: linux-kernel@vger.kernel.org, cpufreq@vger.kernel.org Subject: Re: mistake about the cpufreq? Message-ID: <20110705175508.GC30531@srcf.ucam.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 01, 2011 at 09:17:08PM -0400, 俞颐超 wrote: > So after reading the files in cpu-freq/, I saw it was mentioned in > user-guide.txt that the scaling_ ones is what the kernel thinks the > freq is and cpuinfo is the actual freq. > y can these two be different? Many systems don't have independently clockable cores. In that case the cpu will run at the speed of the highest clocked core. -- Matthew Garrett | mjg59@srcf.ucam.org