From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamie@jamieiles.com (Jamie Iles) Date: Tue, 9 Aug 2011 10:54:34 +0100 Subject: [PATCH 00/10] ARM: perf: updates for 3.2 In-Reply-To: <20110809094234.GA3242@e102144-lin.cambridge.arm.com> References: <1312823771-9952-1-git-send-email-will.deacon@arm.com> <20110809093505.GD3210@pulham.picochip.com> <20110809094234.GA3242@e102144-lin.cambridge.arm.com> Message-ID: <20110809095434.GE3210@pulham.picochip.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Aug 09, 2011 at 10:42:34AM +0100, Will Deacon wrote: > 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 Yes, you're quite right. I seem to have lost patches 1 and 4. Probably finger trouble on my part! Anyhow, I've pulled from your git tree and they appear to work nicely, so: Acked-by: Jamie Iles Jamie