SCHED_ULE should not be the default

Matthew Seaman m.seaman at infracaninophile.co.uk
Thu Dec 15 09:14:00 UTC 2011


On 15/12/2011 00:42, Jeremy Chadwick wrote:
> It is already easy to switch schedulers.  You change the option in your
> kernel config, rebuild kernel (world isn't necessary as long as you
> haven't csup'd between your last rebuild and now), make installkernel,
> shutdown -r now, done.
> 
> If what you're proposing is to make the scheduler changeable in
> real-time?  I think that would require a **lot** of work for something
> that very few people would benefit from (please stop for a moment and
> think about the majority of the userbase, not just niche environments; I
> say this politely, not with any condescension BTW).  Sure, it'd be
> "nice to have", but should be extremely low on the priority list (IMO).

Somewhere in between might be a good idea it seems to me: viz, change a
setting in loader.conf and reboot to switch to a new scheduler.  Having
to juggle different kernels is no big deal for the likes of you and me,
but it is quite a barrier in many environments.

	Cheers,

	Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
                                                  Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey     Ramsgate
JID: matthew at infracaninophile.co.uk               Kent, CT11 9PW

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