[PATCH 00/10] ARM: perf: updates for 3.2

[Will Deacon]

On Tue, Aug 09, 2011 at 10:35:05AM +0100, Jamie Iles wrote:
> Hi Will,

Hi Jamie,

> On Mon, Aug 08, 2011 at 06:16:01PM +0100, Will Deacon wrote:
> > Hello,
> > 
> > This patch series contains a number of updates to the ARM PMU and perf
> > code so that we can support mode exclusion, which is new in debug
> > architecture 7.1 (as implemented by the Cortex-A15). Some of these
> > updates also coincide with work to support System PMUs (PMUs that are
> > not affine to a single CPU) but that is a larger body of work which will
> > be posted separately at a later date.
> > 
> > The patches do the following:
> > 
> >   1.) Greatly simplify the PMU reservation mechanism so that the
> >       handling of platform_devices is moved into perf.
> >   2.) Cleans up the interrupt registration and some of the types used
> >       to represent events and registers.
> >   3.) Moves event indexing to start from zero rather than one, making
> >       the code more readable and also easier to extend for mode
> >       exclusion.
> >   4.) Adds support for mode exclusion (user / kernel / hyp) and
> >       implements this for Cortex-A15.
> > 
> > I've been running these patches since 3.0, so they've been tested on
> > 1176, 11MPCore, Cortex-A5, Cortex-A9 and Cortex-A15 platforms.
> 
> A quick glance through them and they all look nice to me, but I can't 
> get them to apply to any tree (next and master).  It looks like they're 
> based on a tree with changes to the v7 perf support so I'm guessing it's 
> your patches with A15 support.

Thanks for taking a look. The patches should just apply against -rc1:

http://www.linux-arm.org/git?p=linux-2.6-wd.git;a=shortlog;h=refs/heads/perf-updates

Cheers,

Will