accurate gettimeofday_ns() on arm cortex a9 mpcore

Frank Ch. Eigler fche@redhat.com
Fri Aug 20 00:45:00 GMT 2010


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



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