Date: Sun, 7 Mar 2004 14:56:50 -0500 (EST) From: Andre Guibert de Bruet <andy@siliconlandmark.com> To: Justin Dossey <jbd@cagemonkey.com> Cc: freebsd-current@freebsd.org Subject: Re: Load average with CURRENT Message-ID: <20040307145256.Q21071@alpha.siliconlandmark.com> In-Reply-To: <Pine.LNX.4.58.0403071341580.23079@localhost.localdomain> References: <Pine.LNX.4.58.0403071341580.23079@localhost.localdomain>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, 7 Mar 2004, Justin Dossey wrote:
> Strangely, I'm seeing doubled load average numbers for my CURRENT
> build. This machine runs seti@home, so it should show a LA around 1
> all the time. After upgrading from 5.1-RELEASE to 5.2-CURRENT, LA
> doubled.
>
> > uname -a
> FreeBSD shady.home 5.2-CURRENT FreeBSD 5.2-CURRENT #0:
> Fri Mar 5 22:14:05 PST 2004
> jbd@shady.home:/usr/obj/usr/src/sys/CUSTOM i386
> > w
> 10:39AM up 1 day, 12:06, 1 user, load averages: 2.10, 2.03, 1.94
> USER TTY FROM LOGIN@ IDLE WHAT
> jbd p0 stark 10:39AM - w
> > vmstat 2 5
> procs memory page disks faults
> cpu
> r b w avm fre flt re pi po fr sr ad0 fd0 in sy cs us sy id
> 2 0 0 47780 227080 284 0 0 0 285 0 0 0 369 3213 317 97 3 0
> 1 0 0 47912 226948 372 0 0 0 356 0 0 0 380 122 328 95 5 0
> 1 0 0 47912 226948 0 0 0 0 0 0 0 0 380 10164 327 97 3 0
> 1 0 0 47912 226948 0 0 0 0 0 0 0 0 380 70483 324 68 32 0
> 1 0 0 48808 226048 386 0 0 0 275 0 0 0 379 1505 322 93 7 0
> > sysctl vm.loadavg
> vm.loadavg: { 2.03 2.04 1.97 }
>
> I'll update to the newest CURRENT soon, but I haven't seen any
> discussion of this on the list or elsewhere. Ideas?
Is this a system with multiple CPUs or a P4 with hyperthreading? It could
be that you didn't previously have the APIC and SMP (or hyperthreading)
options enabled in your kernel and now you do... Could you paste the first
15 lines of the output of "top -S"?
Regards,
Andy
> Andre Guibert de Bruet | Enterprise Software Consultant >
> Silicon Landmark, LLC. | http://siliconlandmark.com/ >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040307145256.Q21071>