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Re: accurate gettimeofday_ns() on arm cortex a9 mpcore
- From: fche at redhat dot com (Frank Ch. Eigler)
- To: tonyg362 <tonyg3622 at yahoo dot com>
- Cc: systemtap at sourceware dot org
- Date: Thu, 19 Aug 2010 20:45:04 -0400
- Subject: Re: accurate gettimeofday_ns() on arm cortex a9 mpcore
- References: <29486870.post@talk.nabble.com>
tonyg362 <tonyg3622@yahoo.com> writes:
> I'm trying to get some accurate timing information on an NVIDIA
> Tegra2 board (ARM cortex a9 mpcore, dual core). [...] Is there any
> other way to get more accurate timing information on an ARM
> processor?
On relatively modern kernels, we could offer an option that uses
include/linux/clocksource.h machinery.
- FChE