From: Stephane Eranian <eranian@hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: Real time clock on ia64 platforms
Date: Wed, 02 Jun 2004 07:14:22 +0000 [thread overview]
Message-ID: <20040602071422.GG10027@frankl.hpl.hp.com> (raw)
In-Reply-To: <40BC3558.7040606@hob.de>
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
next prev parent reply other threads:[~2004-06-02 7:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-01 7:50 Real time clock on ia64 platforms Christian Hildner
2004-06-01 16:21 ` Matthew Wilcox
2004-06-01 16:40 ` Alex Williamson
2004-06-01 17:22 ` Christoph Lameter
2004-06-02 5:56 ` Christian Hildner
2004-06-02 6:04 ` Stephane Eranian
2004-06-02 6:26 ` Christian Hildner
2004-06-02 6:41 ` Christian Hildner
2004-06-02 6:51 ` Stephane Eranian
2004-06-02 7:01 ` Christian Hildner
2004-06-02 7:14 ` Stephane Eranian [this message]
2004-06-02 7:22 ` Robin Holt
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