[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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