From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964972AbWFSXRM (ORCPT ); Mon, 19 Jun 2006 19:17:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964978AbWFSXRM (ORCPT ); Mon, 19 Jun 2006 19:17:12 -0400 Received: from ns.firmix.at ([62.141.48.66]:30121 "EHLO ns.firmix.at") by vger.kernel.org with ESMTP id S964972AbWFSXRL (ORCPT ); Mon, 19 Jun 2006 19:17:11 -0400 Subject: Re: kernel-x64-smp-multiprocessor-time util problem From: Bernd Petrovitsch To: art@usfltd.com Cc: linux-kernel@vger.kernel.org In-Reply-To: <20060619180413.qlgd1oj9etmosckg@69.222.0.225> References: <20060619180413.qlgd1oj9etmosckg@69.222.0.225> Content-Type: text/plain Organization: http://www.firmix.at/ Date: Tue, 20 Jun 2006 01:17:01 +0200 Message-Id: <1150759021.3043.33.camel@gimli.at.home> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 (2.6.2-1.fc5.5) Content-Transfer-Encoding: 7bit X-Spam-Score: -2.344 () AWL,BAYES_00,FORGED_RCVD_HELO Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2006-06-19 at 18:04 -0500, art@usfltd.com wrote: > on dual core amd-athlon under 64bit-smp core > > kernel compilation time: > > time make -j 8 > ... > LD [M] sound/usb/snd-usb-lib.ko > LD [M] sound/usb/usx2y/snd-usb-usx2y.ko > > real 18m0.948s > user 26m6.270s ------bad > sys 4m22.256s ------?bad > [xxx@localhost linux-2.6.17]$ > --- real-clock time is ~18 min -- user and system time doubled? How many virtual CPUs (i.e. HT is "2 CPUs") do you have in that machine? Bernd -- Firmix Software GmbH http://www.firmix.at/ mobil: +43 664 4416156 fax: +43 1 7890849-55 Embedded Linux Development and Services