* [patch] initial perf_event support for Raspberry-Pi
[not found] <alpine.DEB.2.10.1312311649530.3173@vincent-weaver-1.um.maine.edu>
@ 2014-02-12 5:04 ` Stephen Warren
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From: Stephen Warren @ 2014-02-12 5:04 UTC (permalink / raw)
To: linux-arm-kernel
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.
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2014-02-12 5:04 ` [patch] initial perf_event support for Raspberry-Pi Stephen Warren
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