From owner-freebsd-questions@FreeBSD.ORG Tue Dec 21 12:40:52 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8C4C5106566B for ; Tue, 21 Dec 2010 12:40:52 +0000 (UTC) (envelope-from freebsd-questions@herveybayaustralia.com.au) Received: from mail.unitedinsong.com.au (mail.unitedinsong.com.au [150.101.178.33]) by mx1.freebsd.org (Postfix) with ESMTP id 4030F8FC1C for ; Tue, 21 Dec 2010 12:40:52 +0000 (UTC) Received: from laptop1.herveybayaustralia.com.au (laptop1.herveybayaustralia.com.au [192.168.0.193]) by mail.unitedinsong.com.au (Postfix) with ESMTP id BCDA35C21; Tue, 21 Dec 2010 22:45:42 +1000 (EST) Message-ID: <4D109F7A.7060704@herveybayaustralia.com.au> Date: Tue, 21 Dec 2010 22:37:14 +1000 From: Da Rock User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.15) Gecko/20101119 Thunderbird/3.0.10 ThunderBrowse/3.3.4 MIME-Version: 1.0 To: Ian Smith References: <20101220120038.3434C106574B@hub.freebsd.org> <20101221145455.T27345@sola.nimnet.asn.au> In-Reply-To: <20101221145455.T27345@sola.nimnet.asn.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Brandon Gooch , freebsd-questions@freebsd.org Subject: Re: FBSD Realtime X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Dec 2010 12:40:52 -0000 On 12/21/10 14:39, Ian Smith wrote: > In freebsd-questions Digest, Vol 342, Issue 1, Message: 14 > On Sun, 19 Dec 2010 19:49:08 -0600 > Brandon Gooch wrote: > > On Sun, Dec 19, 2010 at 6:49 AM, Da Rock > > 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 > Yeah I know, its why I asked here first. I'm hunting in the archives, but given its so sparse and so far mostly past history I wanted to see if there was any newer info/docs/lists where I could gain some understanding of it. Thanks guys