From mboxrd@z Thu Jan  1 00:00:00 1970
From: will.deacon@arm.com (Will Deacon)
Date: Wed, 4 Apr 2012 12:15:25 +0100
Subject: oprofile and ARM A9 hardware counter
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To: linux-arm-kernel@lists.infradead.org
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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.

Cheers,

Will