From owner-freebsd-hackers Mon Mar 11 5:54:39 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from obsecurity.dyndns.org (adsl-64-165-226-239.dsl.lsan03.pacbell.net [64.165.226.239]) by hub.freebsd.org (Postfix) with ESMTP id 516F937B419 for ; Mon, 11 Mar 2002 05:54:19 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id E3A8366C80; Mon, 11 Mar 2002 05:54:15 -0800 (PST) Date: Mon, 11 Mar 2002 05:54:15 -0800 From: Kris Kennaway To: "Brian T.Schellenberger" Cc: Kris Kennaway , BOUWSMA Beery , hackers@FreeBSD.ORG Subject: Re: Performance of FreeBSD vs NetBSD (was: Re: Performance of -current vs -stable) Message-ID: <20020311055415.A17397@xor.obsecurity.org> References: <200203102005.g2AK5SN99334@beerswilling.netscum.dyndns.dk> <20020311002534.A9838@xor.obsecurity.org> <20020311132340.105D6BA05@i8k.babbleon.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="SLDf9lqlvOQaIe6s" Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20020311132340.105D6BA05@i8k.babbleon.org>; from bts@babbleon.org on Mon, Mar 11, 2002 at 08:23:38AM -0500 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 --SLDf9lqlvOQaIe6s Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 11, 2002 at 08:23:38AM -0500, Brian T.Schellenberger wrote: > 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. >=20 > At -stable as well as -current or at -current only? What I'm talking about is a -current issue only. I don't recall reading the earlier thread. Kris --SLDf9lqlvOQaIe6s Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE8jLcGWry0BWjoQKURAu9AAJ9IApU5AuMgdEALdaw82lKtq99QGwCg+xlW JLcM4Md6QSZwm6jIPjZ985M= =KmQa -----END PGP SIGNATURE----- --SLDf9lqlvOQaIe6s-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message