From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [patch] initial perf_event support for Raspberry-Pi
Date: Tue, 11 Feb 2014 22:04:08 -0700 [thread overview]
Message-ID: <52FB00C8.3050301@wwwdotorg.org> (raw)
In-Reply-To: <alpine.DEB.2.10.1312311649530.3173@vincent-weaver-1.um.maine.edu>
On 12/31/2013 02:54 PM, Vince Weaver wrote:
>
> The following patch enables performance counter support on Raspberry-Pi.
>
> We have this working on the 2708 based rasp-pi kernels by manually putting
> the device registration in the platform files.
>
> This change does things properly in a device tree. The boot messages look
> proper, but my rasp-pi hangs somewhere in USB enabling when running a
> stock 3.13-rc6 kernel so I have been unable to fully test this change.
>
> I also understand that the rasp-pi 1176 pmu support is missing the
> overflow interrupt. I'm not sure if that's true of all 2835
> implementations. If not, then this patch will need to be changed a bit.
I've applied this to bcm2835's for-3.15/dt branch, with minor fixes.
parent reply other threads:[~2014-02-12 5:04 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <alpine.DEB.2.10.1312311649530.3173@vincent-weaver-1.um.maine.edu>]
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