From owner-cvs-src@FreeBSD.ORG Fri Dec 16 08:07:07 2005 Return-Path: X-Original-To: cvs-src@FreeBSD.org Delivered-To: cvs-src@FreeBSD.org Received: from green.homeunix.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id 3B86516A41F; Fri, 16 Dec 2005 08:07:07 +0000 (GMT) (envelope-from green@green.homeunix.org) Received: from green.homeunix.org (green@localhost [127.0.0.1]) by green.homeunix.org (8.13.4/8.13.1) with ESMTP id jBG876of076947; Fri, 16 Dec 2005 03:07:06 -0500 (EST) (envelope-from green@green.homeunix.org) Received: (from green@localhost) by green.homeunix.org (8.13.4/8.13.1/Submit) id jBG873aF076946; Fri, 16 Dec 2005 03:07:03 -0500 (EST) (envelope-from green) Date: Fri, 16 Dec 2005 03:07:03 -0500 From: Brian Fundakowski Feldman To: Scott Long Message-ID: <20051216080702.GD1820@green.homeunix.org> References: <200512140326.jBE3QnUT010666@repoman.freebsd.org> <70e8236f0512151455g1231cb7oa74aa7d54cfd5b18@mail.gmail.com> <43A26D4A.9080403@samsco.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <43A26D4A.9080403@samsco.org> User-Agent: Mutt/1.5.11 Cc: cvs-src@FreeBSD.org, Joao Barros , src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/amr amr.c amr_cam.c amr_disk.c amr_pci.c amrio.h amrreg.h amrvar.h X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Dec 2005 08:07:07 -0000 On Fri, Dec 16, 2005 at 12:31:22AM -0700, Scott Long wrote: > Joao Barros wrote: > >On 12/14/05, Scott Long wrote: > > > >>scottl 2005-12-14 03:26:49 UTC > >> > >> FreeBSD src repository > >> > >> Modified files: > >> sys/dev/amr amr.c amr_cam.c amr_disk.c amr_pci.c > >> amrio.h amrreg.h amrvar.h > >> Log: > >> Mega update to the LSI MegaRAID driver: > >> > >> Items 3 and 4 significantly increase the performance of the driver. On > >> an > >> LSI 320-2X card, transactions per second went from 13,000 to 31,000 in my > >> testing with these changes. However, these changes are still fairly > >> experimental and shouldn't be merged to 6.x until there is more testing. > > > > > >A 238% improvement is at the very least impressive! > > Yeah, I was shocked at first too. The PCIe controllers can likely do > even better than that, but my only PCIe test system had other hardware > related instabilities, so I didn't do much testing with it. > > >Any specific testing in mind or just stability? > > > > I'm a bit worried that old controllers (especially ones that predate the > move to i960 CPUs) might be broken with this. But yeah, stability > testing is always welcome. It got beat up for about 2 weeks straight, > so I'm pretty confident that it's solid. Can you define "beat up" in any detail? Since I've been messing with the GEOM RAID-3 driver recently, I've been looking for various stress tests to gain confidence in changes I've made locally. Best I've had going so far is some churn-and-burn on several PostgreSQL databases. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\