ARM Cortex A9: LL counters

[Will Deacon]

[adding Mark]

On Sat, Jul 06, 2013 at 09:21:54PM +0100, Javier Picorel wrote:
> That will be perfect. Is there any way to access these memory mapped counters?

Mark was working on a PMU driver for Perf, which would expose these
counters via the perf system call. Unfortunately, the patches have rotted a
bit since then, so they would need refreshing/rebasing before they can be
reviewed.

Will