From owner-freebsd-hackers Mon Mar 11 5:23:55 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from Mail6.nc.rr.com (fe6.southeast.rr.com [24.93.67.53]) by hub.freebsd.org (Postfix) with ESMTP id 44F0537B419 for ; Mon, 11 Mar 2002 05:23:51 -0800 (PST) Received: from i8k.babbleon.org ([66.57.85.154]) by Mail6.nc.rr.com with Microsoft SMTPSVC(5.5.1877.687.68); Mon, 11 Mar 2002 08:23:50 -0500 Received: by i8k.babbleon.org (Postfix, from userid 111) id 105D6BA05; Mon, 11 Mar 2002 08:23:40 -0500 (EST) Content-Type: text/plain; charset="iso-8859-1" From: Brian T.Schellenberger To: Kris Kennaway , BOUWSMA Beery Subject: Re: Performance of FreeBSD vs NetBSD (was: Re: Performance of -current vs -stable) Date: Mon, 11 Mar 2002 08:23:38 -0500 X-Mailer: KMail [version 1.3] Cc: hackers@FreeBSD.ORG References: <200203102005.g2AK5SN99334@beerswilling.netscum.dyndns.dk> <20020311002534.A9838@xor.obsecurity.org> In-Reply-To: <20020311002534.A9838@xor.obsecurity.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <20020311132340.105D6BA05@i8k.babbleon.org> Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Monday 11 March 2002 03:25 am, Kris Kennaway wrote: | On Sun, Mar 10, 2002 at 09:05:28PM +0100, BOUWSMA Beery wrote: | > I built both a WITNESS and a WITNESSless kernel with more recent | > k0deZ, and in the case of playing an mp3 file with `mpg123', I | > saw practically no difference between the two, based on %cpu as | > shown by `top' (like I say, completely unscientific and inaccurate) | | As you are no doubt aware there are significant infrastructural | changes in -current relating to SMP scalability. It's in a very | interim state at the moment, and one of the downsides is increased | interrupt latency and lock contention for certain operations (yes, | audio playback is one of them). | | Basically, it's a known issue. At -stable as well as -current or at -current only? The original report here was there a provious thread had established some issues with -current, but he did some testing and there are issues with -stable as well. Are those known issues, too? | | Kris -- Brian T. Schellenberger . . . . . . . bts@wnt.sas.com (work) Brian, the man from Babble-On . . . . bts@babbleon.org (personal) ME --> http://www.babbleon.org http://www.eff.org <-- GOOD GUYS --> http://www.programming-freedom.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message