Date: Tue, 21 Dec 2010 15:39:32 +1100 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Brandon Gooch <jamesbrandongooch@gmail.com> Cc: freebsd-questions@freebsd.org, Da Rock <freebsd-questions@herveybayaustralia.com.au> Subject: Re: FBSD Realtime Message-ID: <20101221145455.T27345@sola.nimnet.asn.au> In-Reply-To: <20101220120038.3434C106574B@hub.freebsd.org> References: <20101220120038.3434C106574B@hub.freebsd.org>
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In freebsd-questions Digest, Vol 342, Issue 1, Message: 14 On Sun, 19 Dec 2010 19:49:08 -0600 Brandon Gooch <jamesbrandongooch@gmail.com> wrote: > On Sun, Dec 19, 2010 at 6:49 AM, Da Rock > <freebsd-questions@herveybayaustralia.com.au> wrote: > >> I can't seem to get my head on straight with the realtime scheduling in > >> FBSD despite all my googling. Can someone give me a pointer to the latest > >> info? As far as I can tell FBSD has it, but only root(?) can use it? > >> > >> I'm interested in who can use it, and how to allow a user to obtain the > >> realtime access. > > There's an ongoing discussion/debate between two very knowledgeable > and talented developers (plus a supporting cast) regarding the > real-time support in FreeBSD; it's happening on freebsd-arch@: > > http://lists.freebsd.org/pipermail/freebsd-arch/2010-December/010835.html > > I suggest giving it a read if you are planning on deploying some > real-time process (or are interested in reading about FreeBSD > internals from some very knowledgeable people). Brandon, thanks for the pointer; I love it when those guys talk dirty :) Rock, I think that thread well explains why only root may assign rtprio. It's encouraging seeing rtprio get some oil; realtime@freebsd.org has been all but dead for years, its latest message scheduling euthanasia: http://lists.freebsd.org/pipermail/freebsd-realtime/2010-November/000035.html cheers, Ian
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