ULE Scheduler available in 5.3-RELEASE?

[Ondra Holecek]

Can you describe advantages of using SCHED_ULE on UP? or just link or 
something.


Michael Nottebrock wrote:
> On Thursday, 11. November 2004 16:42, Ronald Klop wrote:
> 
>>On Thu, 11 Nov 2004 09:29:08 -0600, Thomas T. Veldhouse <veldy at veldy.net>
>>
>>wrote:
>>
>>>I just read in the release notes that 5.3-RELEASE has the new ULE
>>>scheduler available, but that 4BSD is the default scheduler.  I thought
>>>I read messages in freebsd-current indicating that the option to use ULE
>>>was completely removed from the 5.3 or even the RELENG_5 branch?  So, is
>>>ULE really available?
>>
>>Not in RELENG_5 and not in RELENG_5_3. There are issues with it. If it is
>>fixed it will come back.
>>
>>See this line in /usr/src/sys/kern/sched_ule.c:
>>#error "The SCHED_ULE scheduler is broken.  Please use SCHED_4BSD"
> 
> 
> ... which of course you can just patch out. :) I'm still using ULE on my (UP) 
> machine, works fine for me.
>