From owner-freebsd-ppc@FreeBSD.ORG Thu Feb 21 17:52:21 2013 Return-Path: Delivered-To: freebsd-ppc@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 01B7DF24; Thu, 21 Feb 2013 17:52:21 +0000 (UTC) (envelope-from adamartin.freebsd.org@gmail.com) Received: from mail-yh0-x230.google.com (yh-in-x0230.1e100.net [IPv6:2607:f8b0:4002:c01::230]) by mx1.freebsd.org (Postfix) with ESMTP id AE88FB08; Thu, 21 Feb 2013 17:52:20 +0000 (UTC) Received: by mail-yh0-f48.google.com with SMTP id q12so1686024yhf.21 for ; Thu, 21 Feb 2013 09:52:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=t5u6vSGvLE3kUvDA63FMd8xuH8z/N/PfCfW8jx56Q98=; b=TKYoGl3oRM7dzW42g11a6uQpAnO5I3k+mmeZuE+ol+2emwbN/YahUA4/+WCHZoOri/ ycx5FyJQaS+/N2n+2/IvJg0Mw/7L+3HM4HqB2VIMwdXaJ02i3g/hXcZz5xJRccYbm58e OY1WBjkn38aeJwr8xvfBcS0OuNmR8uBpU9C8cjVOWTcO7hw+HwYt55KqpL7C0l0vaVb4 WnjIE7VP4YN9Xfj9wccOr6Ymv9Ypa47X8N9ZZ4viNvMJYocMvIN709KhSDW3cH2Ynzci e3fPMgW0NhE2+5856YKRw0879ZmKFUufbXpprQoaAjGMM5tGZUkP90n3QL84xIUxE0a8 tCgA== MIME-Version: 1.0 X-Received: by 10.236.112.197 with SMTP id y45mr46231008yhg.121.1361469139782; Thu, 21 Feb 2013 09:52:19 -0800 (PST) Sender: adamartin.freebsd.org@gmail.com Received: by 10.236.15.37 with HTTP; Thu, 21 Feb 2013 09:52:19 -0800 (PST) Received: by 10.236.15.37 with HTTP; Thu, 21 Feb 2013 09:52:19 -0800 (PST) In-Reply-To: References: Date: Thu, 21 Feb 2013 09:52:19 -0800 X-Google-Sender-Auth: Vz9HV_YFPgLJAN8jRdomEk5Ajyc Message-ID: Subject: Re: CFT: PMU-based speed changes From: Adam Martin To: Justin Hibbits Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: FreeBSD PowerPC ML X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Feb 2013 17:52:21 -0000 Justin, On Feb 21, 2013 8:56 AM, "Justin Hibbits" wrote: > > After over a year of off-and-on work, lots of frustration, and help from > quite a few people, I present to you all for testing, PMU speed changes. > You can find it in the projects/pmac_pmu branch, which is branched from > -CURRENT back in December/January. Anybody with a Titanium Powerbook, and > some of the early Aluminum books, should now be able to run their machines > at full speed using powerd, or sysctl dev.cpu.0.freq. I tested this on my > 1GHz TiBook (last generation TiBook), using md5 on a core dump, and saw a > nice performance boost. Will an 867MHz 12" G4 be useful for testing this? It's MPC 7455, iirc. > That branch also has PMU-based sleep code in place, but it does not work > (don't try to set sysctl dev.pmu.0.sleep, your machine will go catatonic). Ideas on what makes it go catatonic yet? Is it just the TiBook, or AlBooks too? -- ADAM David Alan Martin