kernel.polling and load average

Ruslan Ermilov ru at
Wed Apr 14 23:18:53 PDT 2004

On Sun, Apr 11, 2004 at 11:49:12PM +0200, Putinas Piliponis wrote:
> Hi all,
> I have kernel with compiled in polling,
> and sysctl kern.polling.enable=1 kicks 
> load average to stable 1.00
> I think I never observe same behavior,
> is it meant to be like this or here is something wrong ?
Do you also have kern.polling.idle_poll enabled?

> my system is 5.2.1 and I don't have any device
> which man polling says it supports.
Then it's probably best to turn it off on your system, as it just
wastes your CPU's cycles.  The actual number of devices registered
for polling is available in the kern.polling.handlers sysctl.

Ruslan Ermilov
ru at
FreeBSD committer
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