From: Chris Friesen <cfriesen@nortelnetworks.com>
To: Arrigo Benedetti <arrigo@bologna.vision.caltech.edu>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Update frequency of Time Base reg?
Date: Fri, 08 Oct 2004 16:02:46 -0600 [thread overview]
Message-ID: <41670E86.10504@nortelnetworks.com> (raw)
In-Reply-To: <416709B8.8080107@vision.caltech.edu>
Arrigo Benedetti wrote:
> Dear all,
>
> I'm looking for information about the update frequency of the Time Base
> register
> for the latest dual G5 Powermac and Xserve models.
> By the way, what is the best way to find this kind of information?
33.3 MHz, I think.
The most portable way to find it is to calibrate it against gettimeofday(). For
our product kernels, I've exported it via /proc.
Chris
next prev parent reply other threads:[~2004-10-08 22:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-08 21:42 Update frequency of Time Base reg? Arrigo Benedetti
2004-10-08 22:02 ` Chris Friesen [this message]
2004-10-11 9:52 ` Segher Boessenkool
2004-10-12 5:13 ` Chris Friesen
2004-10-12 9:04 ` Segher Boessenkool
2004-10-12 14:33 ` Jon Masters
2004-10-12 15:51 ` Chris Friesen
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