From owner-freebsd-smp Sun Jan 13 18:41:55 2002 Delivered-To: freebsd-smp@freebsd.org Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by hub.freebsd.org (Postfix) with ESMTP id 2F31737B404; Sun, 13 Jan 2002 18:41:52 -0800 (PST) Received: by elvis.mu.org (Postfix, from userid 1192) id 0911410DDFB; Sun, 13 Jan 2002 18:41:52 -0800 (PST) Date: Sun, 13 Jan 2002 18:41:52 -0800 From: Alfred Perlstein To: Peter Wemm Cc: jhb@FreeBSD.ORG, smp@FreeBSD.ORG Subject: Re: witness speedups? Message-ID: <20020113184151.C7984@elvis.mu.org> References: <20020113160442.U7984@elvis.mu.org> <20020114024053.3D7763A03@overcee.wemm.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20020114024053.3D7763A03@overcee.wemm.org>; from peter@wemm.org on Sun, Jan 13, 2002 at 06:40:53PM -0800 Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org * Peter Wemm [020113 18:40] wrote: > Alfred Perlstein wrote: > > Is there anything you can do to speed up witness a bit? > > I seem to recall something about the 'WITNESS_SKIPSPIN' option which leaves > spinlocks out of the picture and speeds things up a lot. I think I have > not used it before though so I dont know for sure. Yeah, it works... ...about as good as putting high test in a saturn. :P -- -Alfred Perlstein [alfred@freebsd.org] 'Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom.' Tax deductable donations for FreeBSD: http://www.freebsdfoundation.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message