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Date:      Mon, 9 Apr 2007 18:32:28 -0400
From:      "Jim Stapleton" <stapleton.41@gmail.com>
To:        "Michael K. Smith - Adhost" <mksmith@adhost.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Verifying that I have SMP up and running
Message-ID:  <80f4f2b20704091532l724c6993oce912ba1794c2f1d@mail.gmail.com>
In-Reply-To: <17838240D9A5544AAA5FF95F8D52031601E2266F@ad-exh01.adhost.lan>
References:  <80f4f2b20704091451m6bbd1d35t33d561fea5bec15f@mail.gmail.com> <17838240D9A5544AAA5FF95F8D52031601E2266F@ad-exh01.adhost.lan>

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Ahh, yes, I see that. And high-cpu multitasking seems to run a lot better too

Thank you,
-Jim Stapleton

On 4/9/07, Michael K. Smith - Adhost <mksmith@adhost.com> wrote:
> Hello Jim:
>
> > -----Original Message-----
> > From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd-
> > questions@freebsd.org] On Behalf Of Jim Stapleton
> > Sent: Monday, April 09, 2007 2:52 PM
> > To: freebsd-questions@freebsd.org
> > Subject: Verifying that I have SMP up and running
> >
> > I added SMP to the kernel config, but I want to make sure that it's
> > running. I tried top, as I'm used to seeing multiple processors listed
> > there (Tru64, Linux), but did not see it in FreeBSD. However I got the
> > dmesg below (see end of mail, the beginning of dmesg output), which
> > seems to indicate it's up an running. Can someone verify this, and are
> > there any good tools to show how much each CPU is using in the way of
> > resources?
> >
> > Thanks,
> > -Jim Stapleton
> >
> > Copyright (c) 1992-2007 The FreeBSD Project.
> > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993,
> > 1994
> >         The Regents of the University of California. All rights
> > reserved.
> > FreeBSD is a registered trademark of The FreeBSD Foundation.
> > FreeBSD 6.2-STABLE #0: Sun Apr  8 14:50:03 UTC 2007
> >     root@elrond.ameritech.net:/usr/obj/usr/src/sys/JIM20070408-SMP
> > Timecounter "i8254" frequency 1193182 Hz quality 0
> > CPU: Dual Core AMD Opteron(tm) Processor 180 (2412.38-MHz 686-class
> > CPU)
> >   Origin = "AuthenticAMD"  Id = 0x20f32  Stepping = 2
> >
> >
> Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG
> > E,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
> >   Features2=0x1<SSE3>
> >   AMD Features=0xe2500800<SYSCALL,NX,MMX+,FFXSR,LM,3DNow+,3DNow>
> >   AMD Features2=0x3<LAHF,CMP>
> >   Cores per package: 2
> > real memory  = 1073676288 (1023 MB)
> > avail memory = 1033093120 (985 MB)
> > ACPI APIC Table: <Nvidia AWRDACPI>
> > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
> >  cpu0 (BSP): APIC ID:  0
> >  cpu1 (AP): APIC ID:  1
> > ioapic0: Changing APIC ID to 2
> > ioapic0 <Version 1.1> irqs 0-23 on motherboard
>
> You should be able to see both processors in top, under the "C" column.
> You will see a 0 or 1 depending on which processor is doing the work for
> that process.  There aren't cumulative, per-processor totals but you can
> get a decent idea of what's going on.
>
> Mike
>
>



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