Date: Sun, 27 Feb 2005 08:41:02 +0900 From: Takeharu KATO <takeharu1219@ybb.ne.jp> To: cokane@cokane.org Cc: freebsd-amd64@freebsd.org Subject: Re: AMD64 Local APIC Timer Message-ID: <4221090E.4020401@ybb.ne.jp> In-Reply-To: <346a80220502260939848bdf6@mail.gmail.com> References: <421A4D5D.6040205@ybb.ne.jp> <421B5E3D.60209@ybb.ne.jp> <346a80220502260939848bdf6@mail.gmail.com>
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Hi Sorry, in fact , my patch has some problem. If you need local apic timer AMD64 please try peter wemm'work: http://people.freebsd.org/~peter/hammer.diff > > The lapic timer patch seems to break something in the > timeout(9)/untimeout(9) handling. I have a mobile athlon64 laptop, and > have been using Fukuda Nobuhiko's acpi_ppc driver for the Cool'n'Quiet > operation. With your patch applied, this driver no longer scales the > CPU frequency. It seems to use timeout(9) to have the kernel call a > polling function regularly to monitor CPU usage and scales the CPU > speed to match the usage. This helps maintain bettery life. > > The driver is at: > http://www.spa.is.uec.ac.jp/~nfukuda/software/dist/acpi_ppc-20050210.tgz > > -- > coleman kane -- Takeharu KATO
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