From owner-freebsd-current@FreeBSD.ORG Tue Oct 19 19:02:04 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6406B16A4CE for ; Tue, 19 Oct 2004 19:02:04 +0000 (GMT) Received: from mail.gmx.net (mail.gmx.de [213.165.64.20]) by mx1.FreeBSD.org (Postfix) with SMTP id 61A5343D55 for ; Tue, 19 Oct 2004 19:02:03 +0000 (GMT) (envelope-from Emanuel.Strobl@gmx.net) Received: (qmail 24798 invoked by uid 65534); 19 Oct 2004 19:02:02 -0000 Received: from flb.schmalzbauer.de (EHLO cale.flintsbach.schmalzbauer.de) (62.245.232.135) by mail.gmx.net (mp002) with SMTP; 19 Oct 2004 21:02:02 +0200 X-Authenticated: #301138 From: Emanuel Strobl To: freebsd-current@freebsd.org Date: Tue, 19 Oct 2004 21:01:53 +0200 User-Agent: KMail/1.7 References: <20041015190638.C5A0E5D04@ptavv.es.net> <200410192031.12504.Emanuel.Strobl@gmx.net> <20041019145838.g0c0kwk0wcss04ks@www.sweetdreamsracing.biz> In-Reply-To: <20041019145838.g0c0kwk0wcss04ks@www.sweetdreamsracing.biz> X-OS: FreeBSD X-Birthday: 10/06/72 X-Address: Munich, 80686 X-Tel: +49 89 18947781 X-CelPhone: +49 173 9967781 X-Country: Germany MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart5661671.yRjFjmBYmy"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200410192102.00617.Emanuel.Strobl@gmx.net> cc: Kenneth Culver cc: fandino@ng.fadesa.es Subject: Re: FreeBSD 5.3b7and poor ata performance X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Tue, 19 Oct 2004 19:02:04 -0000 --nextPart5661671.yRjFjmBYmy Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Am Dienstag, 19. Oktober 2004 20:58 schrieb Kenneth Culver: > Quoting Emanuel Strobl : [...] > >> How is possible that FreeBSD performs as bad? > > > > I have to confirm that I also have even worse transfer rates. > > It's a ICH2 (i815e) with a not so brand new 80GB WD, but I'd expext about > > 50MB/s and I get 16MB/s. > > > > One interesting thing is that the transferrate is constant with > > blocksizes from 256 Byte on. Only with a blocksize of 128 Bytes I can see > > reduced throughput (10MB/s). > > I can remember, when I last did such "esoteric" tests throughput reached > > maximum at about 16k blocksize and rapidly degraded with blocksizes > > smaller than 10k. But now only very very small blocksizes limit the > > throughput! > > > > Some excerpts: (i815 ich2, 5.3-RC1, custom kernel) > > > > cale:/usr#22: atacontrol mode 0 > > Master = UDMA100 > > Slave = BIOSPIO > > > > ATA channel 0: > > Master: ad0 ATA/ATAPI revision 5 > > > > atapci0: port > > 0xffa0-0xffaf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0 > > ata0: channel #0 on atapci0 > > ata1: channel #1 on atapci0 > > > > cale:/usr#25: uname -a > > FreeBSD cale.flintsbach.schmalzbauer.de 5.3-STABLE FreeBSD 5.3-STABLE #4: > > Sun Oct 17 02:33:58 CEST 2004 > > root@cale.flintsbach.schmalzbauer.de:/usr/obj/usr/src/sys/CALE i386 > > your poor performance could be because you have a UDMA100 device on the > same channel as a BIOSPIO device. I'd try taking the BIOSPIO device off > that channel > and see what happens. The BIOSPIO device is in fact no device :) ATA channel 0: Master: ad0 ATA/ATAPI revision 5 Slave: no device present ATA channel 1: Master: acd0 ATA/ATAPI revision 5 Slave: acd1 ATA/ATAPI revision 5 Thanks, -Harry > > Ken > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" --nextPart5661671.yRjFjmBYmy Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQBBdWSoBylq0S4AzzwRAqDRAJ0c+APA4yKnBv34+MWD5uxxPPOeOgCeOne7 /YPpCnXU9ehirIfQQH/ZDAs= =mUT7 -----END PGP SIGNATURE----- --nextPart5661671.yRjFjmBYmy--