From owner-freebsd-current@FreeBSD.ORG Sat Aug 14 12:52:16 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B799D16A4CE; Sat, 14 Aug 2004 12:52:16 +0000 (GMT) Received: from dglawrence.com (c-24-21-223-117.client.comcast.net [24.21.223.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2DF6243D48; Sat, 14 Aug 2004 12:52:16 +0000 (GMT) (envelope-from dg@nexus.dglawrence.com) Received: from nexus.dglawrence.com (localhost [127.0.0.1]) by dglawrence.com (8.12.10/8.12.6) with ESMTP id i7ECt4nf083841; Sat, 14 Aug 2004 05:55:04 -0700 (PDT) (envelope-from dg@nexus.dglawrence.com) Received: (from dg@localhost) by nexus.dglawrence.com (8.12.10/8.12.3/Submit) id i7ECt31s083840; Sat, 14 Aug 2004 05:55:03 -0700 (PDT) Date: Sat, 14 Aug 2004 05:55:03 -0700 From: "David G. Lawrence" To: John Baldwin , freebsd-current@freebsd.org, Andrew Gallatin Message-ID: <20040814125503.GF40460@nexus.dglawrence.com> References: <16668.61707.474283.639200@grasshopper.cs.duke.edu> <200408131326.16412.jhb@FreeBSD.org> <20040814101328.GA95083@squirm.dsto.defence.gov.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040814101328.GA95083@squirm.dsto.defence.gov.au> Subject: Re: Is the TSC timecounter safe on SMP system? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 14 Aug 2004 12:52:16 -0000 > Can someone please elaborate on the acronym TSC ? > Please no comments about google etc been there done that and it wasn't useful. TSC is the Time Stamp Counter. It is a profiling counter internal to modern Pentium processors that counts core frequency clock ticks. -DG David G. Lawrence President Download Technologies, Inc. - http://www.downloadtech.com - (866) 399 8500 TeraSolutions, Inc. - http://www.terasolutions.com - (888) 346 7175 The FreeBSD Project - http://www.freebsd.org Pave the road of life with opportunities.