From owner-freebsd-current@FreeBSD.ORG Tue Jul 20 01:19:46 2010 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 6D050106566B for ; Tue, 20 Jul 2010 01:19:46 +0000 (UTC) (envelope-from yr.retarded@gmail.com) Received: from mail-pz0-f54.google.com (mail-pz0-f54.google.com [209.85.210.54]) by mx1.freebsd.org (Postfix) with ESMTP id 3D02D8FC0C for ; Tue, 20 Jul 2010 01:19:46 +0000 (UTC) Received: by pzk7 with SMTP id 7so1860619pzk.13 for ; Mon, 19 Jul 2010 18:19:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:cc:content-type; bh=7oWbhTDgur0Dd5EJsuATnqUsMu91sjUNMKvj3lVouTE=; b=HEq26+VkVLQEceI1C/Sk+iP4V3dZMSqKRNF9fajpucUzMlSfTnggCZSRd0k5XwUgbi l9O2N0qDh3HI0twCPpMgoHSvMTdSaDwIxdgK/jW/P0l8ATkzpWU65uAKIkxJvHWA9LTw 62qSJKoSMYv00KYIQvRBY9Ajicl+hQQIFS9qQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:cc :content-type; b=WfloLKiFKPWM5hTiCRncHbBu9KcblQHiDsa91PUGcXpb+sKxDo9YwDxl5nsRCQuyse JfPvA9JSEhDbkykITN4snocDIbmwej2fHauiBeLmbwH1ShwJs3ytqAe2PJArkqKzlb7d 2KXAdtliiuX9jRKe/q7Mx6SdtFkuLUHxaYrQ8= MIME-Version: 1.0 Received: by 10.142.171.9 with SMTP id t9mr8258129wfe.318.1279588785390; Mon, 19 Jul 2010 18:19:45 -0700 (PDT) Received: by 10.142.246.9 with HTTP; Mon, 19 Jul 2010 18:19:45 -0700 (PDT) In-Reply-To: References: <20100717192128.GM2381@deviant.kiev.zoral.com.ua> <20100718103003.GO2381@deviant.kiev.zoral.com.ua> <4C43541C.3060101@FreeBSD.org> <20100718194109.GU2381@deviant.kiev.zoral.com.ua> <4C435CBE.50500@FreeBSD.org> <20100718202338.GI5485@dan.emsphone.com> Date: Mon, 19 Jul 2010 20:19:45 -0500 Message-ID: From: Chris Ruiz Cc: freebsd-current@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: Why is intr taking up so much cpu? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Tue, 20 Jul 2010 01:19:46 -0000 On Mon, Jul 19, 2010 at 8:03 PM, Doug Barton wrote: > I added options KDTRACE_HOOKS to my kernel config, built a new kernel, and > rebooted. I decided to try your script before things went sideways so I'd > have an idea of what to expect, and it didn't work: > > dtrace: failed to initialize dtrace: DTrace device not available on system > > Is there something else I need to do to enable it? You need to build the kernel with CTF. Try adding "makeoptions WITH_CTF=yes" to your config and rebuilding your kernel. There's a blurb in src/UPDATING about other ways to accomplish the same thing. -- Chris ----------------------------------------- http://twitter.com/chrisattack http://chrisattack.com