From owner-freebsd-hackers@FreeBSD.ORG Sat Jun 5 23:10:11 2010 Return-Path: Delivered-To: hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E2D8C106571D for ; Sat, 5 Jun 2010 23:10:11 +0000 (UTC) (envelope-from jhellenthal@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 3C2458FC1B for ; Sat, 5 Jun 2010 23:10:06 +0000 (UTC) Received: by iwn5 with SMTP id 5so2783726iwn.13 for ; Sat, 05 Jun 2010 16:10:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:message-id:date:from :user-agent:mime-version:to:cc:subject:references:in-reply-to :x-enigmail-version:openpgp:content-type:content-transfer-encoding; bh=WwokK29ZJlPydi+r72YjCm6w50q70EUfs1E4JJQ5mQo=; b=Gz/RdA02/TDEgufPL4Qo/xChOMEpTdcG+/ZfrmUnp6h1DZ7epDIZ4CeBrpbSNCLB9D rvrp56v60ZPp7dXlq1qzl3c9vo0oyyNSMi/F533j815ZIew45XwOsmhV05JazfHQcBZ5 pCrnraySELK1W3QSDbDW1vkStQwWrwIy/6p7A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:openpgp:content-type :content-transfer-encoding; b=eGQ6B2kFFfJga1Wzr3+/GmbHWeo/RtMHhO71+uTbW/lLUsTwHoEzbwOvMucWTLOAkq VfOzq2wFFV484OvJsvGOTGfNqCCRwRMPMaZQSdueXOj/pvEBoYaMWwb/3Kx/wPOGymoK EruwGm9/egHTvWTnD4KDYErO6kHMiQKONNvU4= Received: by 10.231.149.203 with SMTP id u11mr8906160ibv.6.1275779406461; Sat, 05 Jun 2010 16:10:06 -0700 (PDT) Received: from centel.dataix.local (adsl-99-181-128-180.dsl.klmzmi.sbcglobal.net [99.181.128.180]) by mx.google.com with ESMTPS id f1sm12536210ibg.15.2010.06.05.16.10.04 (version=SSLv3 cipher=RC4-MD5); Sat, 05 Jun 2010 16:10:05 -0700 (PDT) Sender: "J. Hellenthal" Message-ID: <4C0AD94B.4020602@dataix.net> Date: Sat, 05 Jun 2010 19:10:03 -0400 From: jhell User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.9.1.9) Gecko/20100515 Thunderbird MIME-Version: 1.0 To: Mohammed Farrag References: In-Reply-To: X-Enigmail-Version: 1.0.1 OpenPGP: id=89D8547E Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: hackers@freebsd.org Subject: Re: Aurora Scheduler X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Jun 2010 23:10:12 -0000 On 06/05/2010 18:32, Mohammed Farrag wrote: > Hi group, > I am working on developing a new freebsd kernel theme for embedded. I was > searching for the best scheduler. I think the best one is Aurora Scheduler > developed by NASA. > I found that it can be included in the configuration file in the freebsd but > the problem was "Is it available for use by users"? the other one was where > I can find its technique. > Good luck, > Mohammed Farrag > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" SCHED_ULE or SCHED_4BSD Thats your two options with ULE being the default in recent 8.0+ systems. Use ( sysctl kern.sched.name ) to determine which one you are using. Unless I misunderstood the intention of your message I would say that you are a bit confused about what the Aurora Scheduler is/means as compared to what FreeBSD uses as sched_ule(4) or sched_4bsd(4). Regards, -- jhell