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Date: Tue, 27 Sep 2005 03:14:25 -0700
To: Vlad GALU <vladgalu@gmail.com>, freebsd-stable@freebsd.org
From: Glenn Dawson <glenn@antimatter.net>
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Subject: Re: device polling and high load averages
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At 02:41 AM 9/27/2005, Vlad GALU wrote:
>On 9/27/05, peceka <peceka@gmail.com> wrote:
> > Hi,
> >
> > I've got:
> > fw3# uname -r
> > 5.4-RELEASE-p7
> >
> > in my kernel config i've set:
> > options         HZ=1000
> > options         DEVICE_POLLING
> >
> > fw3# cat /etc/rc.conf | grep ifconfig
> > ifconfig_em0="inet 192.168.1.251 netmask 255.255.255.0 polling"
> >
> > fw3# cat /etc/sysctl.conf | grep poll
> > kern.polling.enable=1
> > kern.polling.idle_poll=1
> >
> > And all the time i've got:
> > fw3# uptime
> > 11:22AM  up  1:59, 1 user, load averages: 1.00, 1.00, 0.96
> >
> > from top:
> > last pid: 88131;  load averages:  1.00,  1.00,  0.96
> > 24 processes:  1 running, 23 sleeping
> > CPU states:  0.0% user,  0.0% nice, 99.2% system,  0.8% 
> interrupt,  0.0% idle
> >
> > But this machine do nothing, just pure FBSD system. So why there is
> > such high load aver.?
> >
>
>   Because of kern.polling.idle_poll.

and a load average of 1 isn't exactly "high" either...


> > Best regards,
> > p.
> >
> > _______________________________________________
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> >
>
>
>--
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