From owner-freebsd-questions Mon Aug 27 12:52:19 2001 Delivered-To: freebsd-questions@freebsd.org Received: from mail.urx.com (mail.urx.com [63.170.19.36]) by hub.freebsd.org (Postfix) with ESMTP id 354D637B407 for ; Mon, 27 Aug 2001 12:52:14 -0700 (PDT) (envelope-from kstewart@urx.com) Received: from urx.com [206.159.132.160] by mail.urx.com with ESMTP (SMTPD32-6.06) id A4E09A0156; Mon, 27 Aug 2001 12:52:00 -0700 Message-ID: <3B8AA4DD.8A687E88@urx.com> Date: Mon, 27 Aug 2001 12:51:57 -0700 From: Kent Stewart X-Mailer: Mozilla 4.77 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: jake@coolbluei.com Cc: Freebsd-Questions Subject: Re: help kernal config References: <200108271937.f7RJblV19781@lucy.tbscom.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG jake@coolbluei.com wrote: > > Hi I have just done my first kernal configuration, because I was trying > to add support for both processors on my computer. > > I undid the comments for smp and built the kernal and installed it and > it boots fine, I just can't tell if it sees both processors > > when I do a dmesg i see three areas that associate with this area: > > Timecounter "i8254" frequency 1193182 Hz > > #this line > CPU: Pentium III/Pentium III Xeon/Celeron (696.97-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0x683 Stepping = 3 > > Features=0x383fbff CMOV,PAT,PSE36,MMX,FXSR,SSE> > real memory = 1073676288 (1048512K bytes) > avail memory = 1041399808 (1016992K bytes) > Programming 24 pins in IOAPIC #0 > IOAPIC #0 intpin 2 -> irq 0 > > #these lines > FreeBSD/SMP: Multiprocessor motherboard > cpu0 (BSP): apic id: 1, version: 0x00040011, at 0xfee00000 > cpu1 (AP): apic id: 0, version: 0x00040011, at 0xfee00000 > io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000 > Preloaded elf kernel "kernel" at 0xc0444000. > Pentium Pro MTRR support enabled > > #and this line > SMP: AP CPU #1 Launched! > > does this mean that it is taking advantage of both processors, It means the system can take advantage of it. Most of the applications or ports can only use one cpu at a time. For example, on my SMP system, I run 2 copies of setiathome. I can do things like buildworld much faster on the SMP system; however, the cpus are dual 866 coppermines and they are faster than the ATA-100 HDs. I ended up with 3 - ATA-100 HDs and connected each to their own controller. I have the system on one controller and /usr/src and /usr/obj on the other 2 controllers. At that point, I can do a buildworld in 29 minutes. Right now a make with -j8 produces the quickest buildworld. With a single HD, a -jn of any value ran longer. Kent > > thank you for your time, > > Jake Smith > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message