From owner-freebsd-current@FreeBSD.ORG Fri Nov 2 19:30:28 2007 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0B2EF16A417 for ; Fri, 2 Nov 2007 19:30:28 +0000 (UTC) (envelope-from dwmalone@maths.tcd.ie) Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [IPv6:2001:770:10:300::86e2:510b]) by mx1.freebsd.org (Postfix) with SMTP id 6046113C4A3 for ; Fri, 2 Nov 2007 19:30:27 +0000 (UTC) (envelope-from dwmalone@maths.tcd.ie) Received: from walton.maths.tcd.ie ([134.226.81.10] helo=walton.maths.tcd.ie) by salmon.maths.tcd.ie with SMTP id ; 2 Nov 2007 15:55:35 +0000 (GMT) Date: Fri, 2 Nov 2007 15:55:35 +0000 From: David Malone To: Ian FREISLICH Message-ID: <20071102155535.GA88062@walton.maths.tcd.ie> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.6i Sender: dwmalone@maths.tcd.ie Cc: current@freebsd.org Subject: Re: setitimer() odd timing X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Fri, 02 Nov 2007 19:30:28 -0000 On Thu, Nov 01, 2007 at 03:38:11PM +0200, Ian FREISLICH wrote: > I'm not sure where to start looking. If someone points me at what > needs instrumenting, I'll see if I can narrow the problem space. I'd have a look at the output of "vmstat -i" and compare it to the working machines. It might also be worth checking what timecounter hardware is in use: "sysctl kern.timecounter.hardware". David.