From owner-freebsd-stable@FreeBSD.ORG  Tue Sep 27 09:41:57 2005
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Date: Tue, 27 Sep 2005 12:41:56 +0300
From: Vlad GALU <vladgalu@gmail.com>
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References: <1413940267.20050927112619@gmail.com>
Subject: Re: device polling and high load averages
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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=3D1000
> options         DEVICE_POLLING
>
> fw3# cat /etc/rc.conf | grep ifconfig
> ifconfig_em0=3D"inet 192.168.1.251 netmask 255.255.255.0 polling"
>
> fw3# cat /etc/sysctl.conf | grep poll
> kern.polling.enable=3D1
> kern.polling.idle_poll=3D1
>
> 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.

> Best regards,
> p.
>
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>


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