Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261359AbTEIABL (ORCPT ); Thu, 8 May 2003 20:01:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262170AbTEIABL (ORCPT ); Thu, 8 May 2003 20:01:11 -0400 Received: from holomorphy.com ([66.224.33.161]:63643 "EHLO holomorphy") by vger.kernel.org with ESMTP id S261359AbTEIABK (ORCPT ); Thu, 8 May 2003 20:01:10 -0400 Date: Thu, 8 May 2003 17:13:39 -0700 From: William Lee Irwin III To: Chris Friesen Cc: linux-kernel@vger.kernel.org Subject: Re: how to measure scheduler latency on powerpc? realfeel doesn't work due to /dev/rtc issues Message-ID: <20030509001339.GQ8978@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Chris Friesen , linux-kernel@vger.kernel.org References: <3EBAD63C.4070808@nortelnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3EBAD63C.4070808@nortelnetworks.com> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 634 Lines: 15 On Thu, May 08, 2003 at 06:12:12PM -0400, Chris Friesen wrote: > I'm trying to test the scheduler latency on a powerpc platform. It appears > that a realfeel type of program won't work since you can't program /dev/rtc > to generated interrupts on powerpc. Is there anything similar which could > be done? Why would you want to use an interrupt? Just count jiffies in sched.c -- wli - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/