From owner-freebsd-hackers Sat Sep 14 18:36:58 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 672A337B400; Sat, 14 Sep 2002 18:36:56 -0700 (PDT) Received: from search.sparks.net (d-207-5-180-136.gwi.net [207.5.180.136]) by mx1.FreeBSD.org (Postfix) with ESMTP id E786543E3B; Sat, 14 Sep 2002 18:36:55 -0700 (PDT) (envelope-from dmiller@sparks.net) Received: by search.sparks.net (Postfix, from userid 100) id 6F594D984; Sat, 14 Sep 2002 21:32:41 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by search.sparks.net (Postfix) with ESMTP id 5F442D983; Sat, 14 Sep 2002 21:32:41 -0400 (EDT) Date: Sat, 14 Sep 2002 21:32:41 -0400 (EDT) From: hackers@d.sparks.net X-Sender: dmiller@search.sparks.net To: Paul James Cc: John Baldwin , Doug White , freebsd-hackers@freebsd.org Subject: Re: Dell 2650 SMP perf question In-Reply-To: <1032051059.35814.2.camel@panda.FreeBSDsystems.COM> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII 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 On 14 Sep 2002, Paul James wrote: > Hi, > I was told that this has something to do with the scheduler and, it is > best to wait until the work on the scheduler is complete. > > This is not factual, and if it is incorrect, then please correct me. Any idea when this might happen? Thanks, --- David > > Regards, > > Paul > > On Thu, 2002-09-12 at 16:09, John Baldwin wrote: > > > > On 12-Sep-2002 Doug White wrote: > > > On Wed, 11 Sep 2002, John Baldwin wrote: > > > > > >> > > >> On 11-Sep-2002 Doug White wrote: > > >> > Random notes: > > >> > > > >> > On Tue, 10 Sep 2002 hackers@d.sparks.net wrote: > > >> > > > >> >> Hyperthreading is turned off, I believe. There aren't any > > >> >> "hyperthreading" swithes in the bios I could find, but the "logical > > >> >> processor" option is turned off. > > >> > > > >> > HyperThreading is not supported on FreeBSD at current. It requires some > > >> > ACPI work which hasn't happened yet. > > >> > > >> Not quite. It depends on the BIOS. Some BIOS's include logical CPU's > > >> in the mptable, in which case FreeBSD will work with them fine. Some > > >> only include logical CPU's in the APIC MADT which FreeBSD doesn't yet > > >> use on i386 (we use it on ia64 and will eventually use it on i386 as > > >> we need it for ACPI interrupt routing on SMP.) > > > > > > We went through this a few weeks ago ... I'm still trying to find a system > > > who puts them in the mptable. :-) > > > > Look in the smp archives for people who had it work: > > > > http://docs.freebsd.org/cgi/getmsg.cgi?fetch=33677+0+archive/2002/freebsd-smp/20020630.freebsd-smp > > > > and > > > > http://docs.freebsd.org/cgi/getmsg.cgi?fetch=50804+0+archive/2002/freebsd-smp/20020512.freebsd-smp > > > > > Who's going to do the work? > > > > Probably myself since we need the MADT stuff to work for interrupt > > routing to work under SMP with ACPI. > > > > -- > > > > John Baldwin <>< http://www.FreeBSD.org/~jhb/ > > "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-hackers" in the body of the message > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message