Date: Mon, 07 Jan 2002 15:50:35 -0800 From: Peter Wemm <peter@wemm.org> To: Chris Faulhaber <jedgar@fxp.org> Cc: scottl@FreeBSD.org, smp@FreeBSD.org Subject: Re: P5 vs. SMP, part 2 Message-ID: <20020107235035.95C263808@overcee.netplex.com.au> In-Reply-To: <20020107120621.GA23585@darkstar.doublethink.cx>
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Chris Faulhaber wrote: > > --sm4nu43k4a2Rpi4c > Content-Type: text/plain; charset=us-ascii > Content-Disposition: inline > Content-Transfer-Encoding: quoted-printable > > I finally got around to narrowing down the commit (see > below) that slowed by dual P5 box. From my original > message to -smp: !!!!. I just reread the diff and I dont see anything obviously wrong. Do you just see this in P5 machines? (ie: do you have a P6 smp box as well?) I have a dual P5-90 at home but it is missing some components. I suspect it will take a while to get working.. :-] > On Tue, 25 Sep 2001, Chris Faulhaber wrote: > > I just updated my Dual Pentium (P54C) box from RELENG_4_3 to > > RELENG_4 and have found that the box is significantly slower > > when running an SMP kernel versus UP. Under 4.3, an SMP -j4 > > buildworld took just over 4.5 hours. It now takes upwards > > of 20 hours w/SMP and 6 (no -j) UP. When logging in and > > running basic commands the system seems quite sluggish. > > Backing out this commit (with a slight conflict in > /sys/sys/kernel.h) allows my box to build an up-to-date > -stable world is less than 5 hours (instead of 20) again. > > Any chance someone with i386/smp-foo can look at this? > > Original message at: > http://docs.freebsd.org/cgi/getmsg.cgi?fetch=3D33169+0+archive/2001/freebsd= > -smp/20010930.freebsd-smp > > --=20 > Chris D. Faulhaber - jedgar@fxp.org - jedgar@FreeBSD.org > -------------------------------------------------------- > FreeBSD: The Power To Serve - http://www.FreeBSD.org > > From: Scott Long <scottl@FreeBSD.org> > To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org > Subject: cvs commit: src/sys/sys kernel.h src/sys/kern init_main.c > kern_descrip.c kern_kthread.c src/sys/i386/include md_var.h cpu.h > src/sys/i386/i386 vm_machdep.c mp_machdep.c machdep.c locore.s > Date: Fri, 15 Jun 2001 02:38:07 -0700 (PDT) > > scottl 2001/06/15 02:38:07 PDT > > Modified files: (Branch: RELENG_4) > sys/sys kernel.h=20 > sys/kern init_main.c kern_descrip.c kern_kthread.c=20 > sys/i386/include md_var.h cpu.h=20 > sys/i386/i386 vm_machdep.c mp_machdep.c machdep.c=20 > locore.s=20 > Log: > MFC Peter Wemm's init and kthread enhancements from 08/11/2000 of -curren= > t. > This allows kthreads to be used by device drivers long before root is mou= > nted > and init is officially started. This also brings RAIDframe one step clos= > er. > =20 > Reviewed by: peter > =20 > Revision Changes Path > 1.63.2.1 +8 -7 src/sys/sys/kernel.h > 1.134.2.6 +62 -100 src/sys/kern/init_main.c > 1.81.2.8 +13 -7 src/sys/kern/kern_descrip.c > 1.5.2.2 +2 -2 src/sys/kern/kern_kthread.c > 1.35.2.1 +2 -1 src/sys/i386/include/md_var.h > 1.43.2.2 +1 -2 src/sys/i386/include/cpu.h > 1.132.2.3 +9 -8 src/sys/i386/i386/vm_machdep.c > 1.115.2.8 +3 -12 src/sys/i386/i386/mp_machdep.c > 1.385.2.12 +21 -1 src/sys/i386/i386/machdep.c > 1.132.2.4 +1 -46 src/sys/i386/i386/locore.s > > > --sm4nu43k4a2Rpi4c > Content-Type: application/pgp-signature > Content-Disposition: inline > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.0.6 (FreeBSD) > Comment: FreeBSD: The Power To Serve > > iEYEARECAAYFAjw5jz0ACgkQObaG4P6BelDIMgCfdO1QI9waj3Qk5ePWGxC4BVJh > FZkAoKKuFPQvLRe8Im/TVFGwIeNxJoFq > =uSnL > -----END PGP SIGNATURE----- > > --sm4nu43k4a2Rpi4c-- > > Cheers, -Peter -- Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au "All of this is for nothing if we don't go to the stars" - JMS/B5 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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