From owner-freebsd-current Wed Feb 6 6:41:11 2002 Delivered-To: freebsd-current@freebsd.org Received: from virtual-voodoo.com (bdsl.66.12.217.106.gte.net [66.12.217.106]) by hub.freebsd.org (Postfix) with ESMTP id D9E9B37B425; Wed, 6 Feb 2002 06:40:50 -0800 (PST) Received: (from steve@localhost) by virtual-voodoo.com (8.11.6/8.11.5) id g16Eeom67950; Wed, 6 Feb 2002 09:40:50 -0500 (EST) (envelope-from steve) Date: Wed, 6 Feb 2002 09:40:50 -0500 From: Steve Ames To: John Baldwin Cc: Garance A Drosihn , current@FreeBSD.ORG Subject: Re: Performance of -current vs -stable Message-ID: <20020206144050.GA24003@virtual-voodoo.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.27i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, Feb 06, 2002 at 01:02:34AM -0500, John Baldwin wrote: > > On 06-Feb-02 Garance A Drosihn wrote: > > Could it be due to the DDB, INVARIANTS & WITNESS options in the > > kernel? If it is that's fine with me, I'm just wondering where > > that magnitude of a slowdown would be coming from. > > WITNESS can really hurt. Quite possibly I should turn it off in GENERIC > now (I wouldn't mind if someone else did that.) Before major locking > changes people should still use it to look for bugs, but it isn't > very efficient I'm afraid. :( Is 'AJ' still set in the malloc options? I seem to recall setting /etc/malloc.conf once in CURRENT for performance reasons. -Steve To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message