device polling and high load averages

[Vlad GALU]

On 9/27/05, peceka <peceka at 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.

> Best regards,
> p.
>
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