From owner-freebsd-alpha Wed Apr 17 11:14:15 2002 Delivered-To: freebsd-alpha@freebsd.org Received: from freebie.xs4all.nl (freebie.xs4all.nl [213.84.32.253]) by hub.freebsd.org (Postfix) with ESMTP id DB77137B416; Wed, 17 Apr 2002 11:14:04 -0700 (PDT) Received: from freebie.xs4all.nl (localhost [127.0.0.1]) by freebie.xs4all.nl (8.12.2/8.11.6) with ESMTP id g3HIDu29001935; Wed, 17 Apr 2002 20:13:56 +0200 (CEST) (envelope-from wkb@freebie.xs4all.nl) Received: (from wkb@localhost) by freebie.xs4all.nl (8.12.2/8.12.2/Submit) id g3HIDuaW001934; Wed, 17 Apr 2002 20:13:56 +0200 (CEST) Date: Wed, 17 Apr 2002 20:13:56 +0200 From: Wilko Bulte To: Andrew Gallatin Cc: John Baldwin , Bernd Walter , freebsd-alpha@FreeBSD.ORG Subject: Re: 21066A tester for cpu_idle needed Message-ID: <20020417201356.B1874@freebie.xs4all.nl> References: <20020417170256.GC70839@cicely9.cicely.de> <15549.47583.432868.403987@grasshopper.cs.duke.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <15549.47583.432868.403987@grasshopper.cs.duke.edu>; from gallatin@cs.duke.edu on Wed, Apr 17, 2002 at 02:07:27PM -0400 X-OS: FreeBSD 4.5-STABLE X-PGP: finger wilko@freebsd.org Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Wed, Apr 17, 2002 at 02:07:27PM -0400, Andrew Gallatin wrote: > > John Baldwin writes: > > > > On 17-Apr-2002 Bernd Walter wrote: > > > The patch is available under: > > > http://www.cosmo-project.de/~bernd/lca_cpu_idle.diff > > > > > > It implements usage of the power management capabilities of 21066A and > > > 21068A CPUs. > > > As my LCA system is an 21066 I can't test it myself. > > > > We should also look into possibly using call_pal wfi when we are idle perhaps. > > I tried this last summer on my UP1000, but the electric meter looked > like it was spinning just as fast as always.. > > If anybody has a good way of really measuring power consumption, this > would be a good thing to test. I do have Watt / Watthour meter here I could hookup to the DS10 or the AS500. Gimme a patch and I'll try it for you -- | / o / /_ _ wilko@FreeBSD.org |/|/ / / /( (_) Bulte Arnhem, the Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message