From owner-freebsd-current@FreeBSD.ORG Wed Aug 11 15:12:26 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 34AB516A4CE for ; Wed, 11 Aug 2004 15:12:26 +0000 (GMT) Received: from c00l3r.networx.ch (c00l3r.networx.ch [62.48.2.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 84C2343D46 for ; Wed, 11 Aug 2004 15:12:23 +0000 (GMT) (envelope-from andre@freebsd.org) Received: (qmail 91077 invoked from network); 11 Aug 2004 15:06:20 -0000 Received: from dotat.atdotat.at (HELO [62.48.0.47]) ([62.48.0.47]) (envelope-sender ) by c00l3r.networx.ch (qmail-ldap-1.03) with SMTP for ; 11 Aug 2004 15:06:20 -0000 Message-ID: <411A3755.6030507@freebsd.org> Date: Wed, 11 Aug 2004 17:12:21 +0200 From: Andre Oppermann User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7) Gecko/20040608 X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-current@freebsd.org Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Subject: UMA questions X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Aug 2004 15:12:26 -0000 I have a couple of questions regarding UMA things which are not explained in the relevant man pages (and UTSL is a little bit tough): 1. UMA zones do not show up in the output of 'vmstat -m'. Is there a way to get information on how much memory each UMA zone is using? Example: "sackhole", "tcptw", ... 2. What does the flag UMA_ZONE_ZINIT do exactly? 3. What does the flag UMA_ZONE_NOFREE prevent exactly? Will it prevent any zone/slab of this type to be free'd ever again? This way the zone can only grow and not shrink after transient peaks? -- Andre