oprofile and ARM A9 hardware counter
Will Deacon
will.deacon at arm.com
Thu Apr 26 14:07:19 EDT 2012
On Wed, Apr 04, 2012 at 12:15:24PM +0100, Will Deacon wrote:
> On Wed, Apr 04, 2012 at 12:29:49AM +0100, Paul Walmsley wrote:
> >
> > Part of the problem is that the clockdomain data for the emu_sys
> > clockdomain is wrong. Here's something to try to fix it. It might just
> > be enough to get it to work.
>
> Hmm, doesn't seem to work but I do see the following in dmesg when I try to
> use perf:
>
> powerdomain: waited too long for powerdomain emu_pwrdm to complete transition
>
> which is new with your patch.
Sorry to nag, but does anybody have a clue where to go from here? I can
start digging in the OMAP PM code, but it's all new territory for me.
Cheers,
Will
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