Date: Sun, 7 Mar 2004 15:56:05 -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: <20040307155458.S21071@alpha.siliconlandmark.com> In-Reply-To: <Pine.LNX.4.58.0403071511500.23079@localhost.localdomain> References: <Pine.LNX.4.58.0403071341580.23079@localhost.localdomain> <20040307145256.Q21071@alpha.siliconlandmark.com> <Pine.LNX.4.58.0403071511500.23079@localhost.localdomain>
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On Sun, 7 Mar 2004, Justin Dossey wrote:
> On Sun, 7 Mar 2004, Andre Guibert de Bruet wrote:
> >
> > 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.
> > >
> [snip]
> > > > sysctl vm.loadavg
> > > vm.loadavg: { 2.03 2.04 1.97 }
> >
> > 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
>
> It's a single CPU AMD Duron 1.3GHz, with SMP disabled, but APIC
> enabled.
>
> last pid: 5897; load averages: 2.00, 2.00, 2.00 up 1+13:38:14 12:10:53
> 85 processes: 4 running, 48 sleeping, 33 waiting
<snip>
> PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND
> 449 setiathome 139 15 16936K 15736K RUN 37.3H 97.66% 97.66% setiathome
> 36 root -48 -167 0K 12K WAIT 4:30 0.00% 0.00% swi8: tty:s
> 54 root 20 0 0K 12K syncer 3:35 0.00% 0.00% syncer
> 11 root -16 0 0K 12K RUN 2:01 0.00% 0.00% idle
> 29 root -68 -187 0K 12K WAIT 1:52 0.00% 0.00% irq19: ndis
> 39 root 20 0 0K 12K suspkt 0:57 0.00% 0.00% ndis swi
> 2 root -8 0 0K 12K - 0:20 0.00% 0.00% g_event
>
> I ran "top -S -d1 |grep RUN" and found the setiathome and idle
> processes above, plus this:
>
> 52 root 171 52 0K 12K RUN 0:04 0.00% 0.00% pagezero
>
> The kernel is compiled with cpu I686_CPU.
What scheduler are you using on this system?
> Andre Guibert de Bruet | Enterprise Software Consultant >
> Silicon Landmark, LLC. | http://siliconlandmark.com/ >
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