Subject: Re: Hard realtime scheduling
To: Hubert Feyrer <>
From: SODA Noriyuki <>
List: tech-kern
Date: 04/04/2005 19:08:26
>>>>> On Mon, 4 Apr 2005 12:02:07 +0200 (CEST),
	Hubert Feyrer <> said:

> I don't know about any details in NetBSD, but the way to go is probably to 
> make the kernel preemptive as first step. This will also (hugely) benefit 
> SMP performance (i.e. no more biglock).

mm, first step.
I think this is really hard step, although it's worth consindering.

Adding realtime (fixed priority) scheduling class to our scheduler is
worth doing, and far easier than preemptive kernel.