Date: Tue, 18 Mar 2008 13:54:55 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: John Baldwin <jhb@freebsd.org> Cc: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, freebsd-arch@freebsd.org Subject: Re: Power-Mgt (Was: Re: cvs commit: src/sys/i386/cpufreq est.c ) Message-ID: <1031.1205848495@critter.freebsd.dk> In-Reply-To: Your message of "Tue, 18 Mar 2008 08:40:18 -0400." <200803180840.18275.jhb@freebsd.org>
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>To avoid lots of code duplication I think we would need to provide some sort >of "idle" device support in new-bus. Possibly something like this: We need different levels of "active" also, EnergyStar requires machines to reduce ethernet speed from GE to 100M when idle, (this saves approx 2W, 1W in either end of the cable). -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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