From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755120Ab3JKKkT (ORCPT ); Fri, 11 Oct 2013 06:40:19 -0400 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:48205 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752531Ab3JKKkS (ORCPT ); Fri, 11 Oct 2013 06:40:18 -0400 Date: Fri, 11 Oct 2013 11:40:14 +0100 From: Will Deacon To: Andrew Morton Cc: "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] init: calibrate: don't print out bogomips value on boot Message-ID: <20131011104014.GC14732@mudshark.cambridge.arm.com> References: <1381330640-32735-1-git-send-email-will.deacon@arm.com> <20131010145235.1c6574299bc636cf92190d32@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131010145235.1c6574299bc636cf92190d32@linux-foundation.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 10, 2013 at 10:52:35PM +0100, Andrew Morton wrote: > On Wed, 9 Oct 2013 15:57:20 +0100 Will Deacon wrote: > > > @@ -295,9 +295,7 @@ void calibrate_delay(void) > > } > > per_cpu(cpu_loops_per_jiffy, this_cpu) = lpj; > > if (!printed) > > - pr_cont("%lu.%02lu BogoMIPS (lpj=%lu)\n", > > - lpj/(500000/HZ), > > - (lpj/(5000/HZ)) % 100, lpj); > > + pr_cont("lpj=%lu\n", lpj); > > > > loops_per_jiffy = lpj; > > printed = true; > > Kidding? BogoMIPS is an industry-standard metric which was established > before many of us were born. It even has its own wikipedia page! Crikey, have you looked at that page? ARM is ominously described as `not enough data (yet)' when discussing its BogoMIPS `rating'. This is all more food for the marketing machines :( > You have no heart. Maybe I should stop worrying and learn to love the BogoMIPS. Will