[meta-freescale] [meta-fsl-arm-extra][PATCH] linux-wandboard: Configure the hardware performance counters.

Otavio Salvador otavio at ossystems.com.br
Sun Dec 21 11:42:24 PST 2014


Hello Alex,

On Sun, Dec 21, 2014 at 2:06 PM, Alex Gonzalez <alex.gonzalez at digi.com> wrote:
> The ARM Cortex A9 core is configured not to allow access to the hardware performance counters. This patch configures the non invasive debug permission bits to allow access.
>
> The patch is only applied for the quad variant as it is the only one I have been able to test, but it should also work on the solo.
>
> Alex Gonzalez (1):
>   linux-wandboard: Configure the ARM core to use hardware performance
>      counters.

I am fine with the patch but:

 * we need to apply it to 3.10.31 (master) before adding something to Dizzy
 * could you also add the patch for linux-imx (in both master and
dizzy). If you don't have a SabreSD board we can do the test at our
side.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750


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