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Subject: Re: Periodical interrupt storm when playing game with USB keyboard
To: Johannes Lundberg <johalun0@gmail.com>
Cc: freebsd-current <freebsd-current@freebsd.org>
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From: Hans Petter Selasky <hps@selasky.org>
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Date: Sun, 21 Jan 2018 22:07:39 +0100
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On 01/21/18 21:45, Johannes Lundberg wrote:
> What does kern.eventtimer.periodic do?  The sysctl description wasn't
> that elaborate...

It turns off re-programming the timer every time there is a new callout 
with earlier completion time.

--HPS