From owner-freebsd-current Tue May 8 11:23:33 2001 Delivered-To: freebsd-current@freebsd.org Received: from meow.osd.bsdi.com (meow.osd.bsdi.com [204.216.28.88]) by hub.freebsd.org (Postfix) with ESMTP id 4DC0837B423 for ; Tue, 8 May 2001 11:23:30 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Received: from laptop.baldwin.cx (john@jhb-laptop.osd.bsdi.com [204.216.28.241]) by meow.osd.bsdi.com (8.11.2/8.11.2) with ESMTP id f48IM5G20490; Tue, 8 May 2001 11:22:05 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.4.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <989343415.3af82eb7427c3@Mail.PasionLatina.Org> Date: Tue, 08 May 2001 11:21:13 -0700 (PDT) From: John Baldwin To: "Edwin L. Culp" Subject: RE: DELL 2 X PIII/500Mhz, SCSI/Adaptec/(QUANTUM ATLAS) Cc: current@FreeBSD.org Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 08-May-01 Edwin L. Culp wrote: > A couple of days ago, I installed current on a Dell that had been an > NT server. Everything works fine except is seems very slow. A make > world on current takes over 5 hours. A little more than my old K6-2 > 300 laptop. > > This is the first SMP kernel I have used but I have disabled it with no > noticable difference in speed. > > I'm sure that I am missing something very basic. I have attached my dmesg > and would appreciate any suggestions as to a starting point to speed it up. > > Thanks, > > ed -current has lots of debugging on by default. The witness code especially is rather slow. However, it is helpful in finding bugs. You can try disabling witness by building a custom kernel or setting the loader tunable debug.witness_watch to 0. If you really need performance, you may want to run stable instead of current anyways. -- John Baldwin -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message