From owner-freebsd-smp Sun Nov 26 14:12: 9 2000 Delivered-To: freebsd-smp@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id 0749937B479; Sun, 26 Nov 2000 14:12:07 -0800 (PST) Received: (from bright@localhost) by fw.wintelcom.net (8.10.0/8.10.0) id eAQMC4E08332; Sun, 26 Nov 2000 14:12:04 -0800 (PST) Date: Sun, 26 Nov 2000 14:12:04 -0800 From: Alfred Perlstein To: The Hermit Hacker Cc: smp@FreeBSD.ORG, jhb@FreeBSD.ORG Subject: Re: disk IO terrible in smpng? Message-ID: <20001126141204.Y8051@fw.wintelcom.net> References: <20001125112853.P8051@fw.wintelcom.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from scrappy@hub.org on Sun, Nov 26, 2000 at 05:44:24PM -0400 Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > On Sat, 25 Nov 2000, Alfred Perlstein wrote: > > > I've been trying to generate some patches on a SMPng box, but the > > IO is killing me, anything disk bound seems to hog the CPU > > and make the machine terribly sluggish. > > > > Is this to be expected? * The Hermit Hacker [001126 13:45] wrote: > > Is this with the latest -current? I'm noticing some unexpected lags on my > machine recently, but hadn't looked as far as the I/O yet ... I'm still > getting the periodic system hangs, where I have to hit the reset button, > so figured it was all inter-laced with that ... > This is with -current from yesterday, Tor Egge told me to remove some of the debugging code like MUTEX_DEBUG and the WITNESS stuff, it seems quicker now. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message