From owner-freebsd-current@FreeBSD.ORG Tue Jan 20 11:17:18 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0D33B106564A for ; Tue, 20 Jan 2009 11:17:18 +0000 (UTC) (envelope-from barney_cordoba@yahoo.com) Received: from web63902.mail.re1.yahoo.com (web63902.mail.re1.yahoo.com [69.147.97.117]) by mx1.freebsd.org (Postfix) with SMTP id 903AF8FC1E for ; Tue, 20 Jan 2009 11:17:17 +0000 (UTC) (envelope-from barney_cordoba@yahoo.com) Received: (qmail 17095 invoked by uid 60001); 20 Jan 2009 11:17:16 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type:Message-ID; b=L6UfoFhlkQxtjW6M6Yt90ckaZngDkUOemWFKeQrGKfIMnXktZPX3V34NuCjCyca6O7eFjf3gve+D11BLu/5yHA3mulxu48gRfwBHb8jfS2Y9wEsKxJtnm90jw2XMXAd0FfcTMZu0QHdTgsmcl+r17XeuJm2h3k+E/fGY9V+Xirg=; X-YMail-OSG: oh.pMicVM1kp4Ekyqai6DLhXCcPG5gY8LV5o2l4z0msL8CCyHYrhftu7ltJzu1vLFmzHRo1ZmdGgNPSKdZsR9IkRgkBtZAmcT712cfiS38pYorMLEwykplxUSwfTVruq9ohCVtzIMlBrLqp9O8Ner0K9cCI- Received: from [98.242.222.229] by web63902.mail.re1.yahoo.com via HTTP; Tue, 20 Jan 2009 03:17:16 PST X-Mailer: YahooMailWebService/0.7.260.1 Date: Tue, 20 Jan 2009 03:17:16 -0800 (PST) From: Barney Cordoba To: freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <844890.15272.qm@web63902.mail.re1.yahoo.com> Subject: Running on only some cores X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: barney_cordoba@yahoo.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Jan 2009 11:17:18 -0000 Can FreeBSD be configured to only run on N cores? So for example, if I have an 8 core system, can it be configured in loader.conf or through a simple hack to only run on 2 cores? We're testing various configs, and its not terribly convenient to keep swapping out CPUs. Thanks, Barney