ULE Scheduler available in 5.3-RELEASE?
Ronald Klop
ronald-freebsd8 at klop.yi.org
Thu Nov 11 07:42:23 PST 2004
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"
Ronald.
--
Ronald Klop, Amsterdam, The Netherlands
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