Date: Thu, 15 Dec 2011 09:13:43 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: freebsd-stable@freebsd.org Subject: Re: SCHED_ULE should not be the default Message-ID: <4EE9BA47.7080005@infracaninophile.co.uk> In-Reply-To: <20111215004205.GA11556@icarus.home.lan> References: <4EE1EAFE.3070408@m5p.com> <CAJ-FndDniGH8QoT=kUxOQ%2BzdVhWF0Z0NKLU0PGS-Gt=BK6noWw@mail.gmail.com> <4EE2AE64.9060802@m5p.com> <4EE88343.2050302@m5p.com> <CAFHbX1%2B5PttyZuNnYot8emTn_AWkABdJCvnpo5rcRxVXj0ypJA@mail.gmail.com> <4EE933C6.4020209@zedat.fu-berlin.de> <20111215004205.GA11556@icarus.home.lan>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigED13262F1122E774546949F3 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable 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. >=20 > 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 --=20 Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate JID: matthew@infracaninophile.co.uk Kent, CT11 9PW --------------enigED13262F1122E774546949F3 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.16 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk7puk0ACgkQ8Mjk52CukIzNsACffjb/WRQ7+Oh1BhjBSlLC+0K9 uDgAnivS0QRfbkjrqQ4tC9K38uzv5gZj =fqQM -----END PGP SIGNATURE----- --------------enigED13262F1122E774546949F3--
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