Date: Wed, 17 Apr 2002 20:13:56 +0200 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: John Baldwin <jhb@FreeBSD.ORG>, Bernd Walter <ticso@cicely9.cicely.de>, freebsd-alpha@FreeBSD.ORG Subject: Re: 21066A tester for cpu_idle needed Message-ID: <20020417201356.B1874@freebie.xs4all.nl> 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 References: <20020417170256.GC70839@cicely9.cicely.de> <XFMail.20020417132754.jhb@FreeBSD.org> <15549.47583.432868.403987@grasshopper.cs.duke.edu>
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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
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