From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 21 Jun 2007 18:13:52 +0100 (BST) Received: from localhost.localdomain ([127.0.0.1]:34278 "EHLO dl5rb.ham-radio-op.net") by ftp.linux-mips.org with ESMTP id S20021764AbXFURNu (ORCPT ); Thu, 21 Jun 2007 18:13:50 +0100 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by dl5rb.ham-radio-op.net (8.14.1/8.13.8) with ESMTP id l5LH61Dl027890; Thu, 21 Jun 2007 18:06:02 +0100 Received: (from ralf@localhost) by denk.linux-mips.net (8.14.1/8.14.1/Submit) id l5LH617A027889; Thu, 21 Jun 2007 18:06:01 +0100 Date: Thu, 21 Jun 2007 18:06:01 +0100 From: Ralf Baechle To: Gary Smith Cc: linux-mips@linux-mips.org Subject: Re: Question About Timers for Performance Analysis on BCM1480/1250 Systems Message-ID: <20070621170601.GD21938@linux-mips.org> References: <005a01c7b28b$ed279120$8facaac0@3PiGAS> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <005a01c7b28b$ed279120$8facaac0@3PiGAS> User-Agent: Mutt/1.5.14 (2007-02-12) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 15503 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Tue, Jun 19, 2007 at 12:07:21PM -0400, Gary Smith wrote: > The following message thread is present in the Linux-Mips archives regarding > the use of gettimeofday on Broadcom MIPS systems. > http://www.linux-mips.org/archives/linux-mips/2006-01/msg00144.html The > message thread specifically addresses the Dual-core Broadcom 1250 system, > and the kernel version mentioned in the message thread is 2.6.12. I looked > at the files mentioned in the message thread in the 2.6.17 kernel, and the > changes suggested for arch/mips/dec/time.c were present in 2.6.17. However, > the subsequent patches suggested in the message thread were not present in > the version of the 2.6.17 kernel I checked. We'd like to ask if the patches > suggested in the message thread have been observed to influence performance > numbers obtained by other Linux system developers for Quad-core Broadcom > 1480 systems? If so, do the Linux-Mips developers suggest that we apply the > patches suggested in the message thread for our Broadcom 1480 MIPS specific > Linux 2.6.17 system implementation? The patch never went in. I'm currently turning the entire time code upside down which will also solve this issue. Ralf