Date: Wed, 17 Apr 2002 14:07:27 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: John Baldwin <jhb@FreeBSD.ORG> Cc: Bernd Walter <ticso@cicely9.cicely.de>, freebsd-alpha@FreeBSD.ORG Subject: RE: 21066A tester for cpu_idle needed Message-ID: <15549.47583.432868.403987@grasshopper.cs.duke.edu> In-Reply-To: <XFMail.20020417132754.jhb@FreeBSD.org> References: <20020417170256.GC70839@cicely9.cicely.de> <XFMail.20020417132754.jhb@FreeBSD.org>
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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. Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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