From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <448EA8C2.6010004@domain.hid> Date: Tue, 13 Jun 2006 14:00:02 +0200 From: Anders Blomdell MIME-Version: 1.0 Subject: Re: [Xenomai-core] ns vs. tsc as internal timer base References: <448E98A3.6080707@domain.hid> In-Reply-To: <448E98A3.6080707@domain.hid> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit List-Id: "Xenomai life and development \(bug reports, patches, discussions\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: xenomai-core Jan Kiszka wrote: > Hi, > > To avoid loosing the optimisation again in ns_to_tsc, I thought about > basing the whole internal timer arithmetics on nanoseconds instead of > TSCs as it is now. Good idea, makes it simpler to adopt to laptop frequency scaling and deep ACPI sleep, i.e. sync Xenomai time to the ACPI timer. /Anders -- Anders Blomdell Email: anders.blomdell@domain.hid Department of Automatic Control Lund University Phone: +46 46 222 4625 P.O. Box 118 Fax: +46 46 138118 SE-221 00 Lund, Sweden