From: John Stultz <john.stultz@linaro.org>
To: Andrew Richardson <chardson@umich.edu>
Cc: Dmitry Antipov <dmitry.antipov@linaro.org>,
linaro-dev@lists.linaro.org, linux-omap@vger.kernel.org
Subject: Re: Minimum timing resolution in Ubuntu/Linaro on the PandaBoard ES
Date: Wed, 08 Feb 2012 09:08:50 -0800 [thread overview]
Message-ID: <1328720930.9030.0.camel@js-netbook> (raw)
In-Reply-To: <51DAA6EF-1C3B-4964-8447-893D295E51A1@umich.edu>
On Wed, 2012-02-08 at 04:32 -0500, Andrew Richardson wrote:
> Ah, very interesting.
> > dmesg | grep clock
> [ 0.000000] OMAP clockevent source: GPTIMER1 at 32768 Hz
> [ 0.000000] sched_clock: 32 bits at 32kHz, resolution
> 30517ns, wraps every 131071999ms
Hrm. So 30us is still much smaller then the 2.5ms you were seeing. So
that doesn't fully explain the behavior.
thanks
-john
next prev parent reply other threads:[~2012-02-08 17:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4F31A91B.8080106@umich.edu>
2012-02-08 5:21 ` Minimum timing resolution in Ubuntu/Linaro on the PandaBoard ES Dmitry Antipov
[not found] ` <4F32063F.1020607-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-02-08 9:32 ` Andrew Richardson
2012-02-08 13:55 ` Dmitry Antipov
2012-02-08 14:21 ` Andrew Richardson
2012-02-08 17:05 ` John Stultz
2012-02-08 17:08 ` John Stultz [this message]
2012-02-08 18:19 ` Turgis, Frederic
2012-02-08 16:58 ` John Stultz
2012-02-10 0:56 ` Ming Lei
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