From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephane Eranian Date: Wed, 02 Jun 2004 07:14:22 +0000 Subject: Re: Real time clock on ia64 platforms Message-Id: <20040602071422.GG10027@frankl.hpl.hp.com> List-Id: References: <40BC3558.7040606@hob.de> In-Reply-To: <40BC3558.7040606@hob.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Christian, > >>Dallas devices on PC boards. > >> > >> > >> > >I am sorry but I don't know that device. What functionality of that device > >is of interest to you? > > > It is just getting an absolute time without any calls to firmware or linux. > at least on UP, can't you use a combination of gettimeofday() once and then use ar.itc (equivalent of TSC) to make the appropriate adjustments. Also note that on 2.6 with the right version of glibc, gettimeofday() is extremely fast. -- -Stephane