On 11/07/2014 05:52 PM, Steven Rostedt wrote:
> On Fri, 7 Nov 2014 15:59:11 +0100
> Jean-Jacques Hiblot <[email protected]> wrote:
>
>> Hi all,
>>
>> This patch adds support for ftrace operations on the ARM architecture.
>> This support is needed by kgraft and possibly other ftrace-based tools.
>> My goal is to have kgraft working on ARM and aarch64.
>
> Can you add this to the change log of the patch. As that would be what
> goes into git history. Because honestly, I had no idea what you meant
> by "ftrace operations". If I don't understand that term, how can you
> expect anyone else to?
I'll try to come up with a clearer commit log.
>
>>
>> I tested this patch with a toy implementation of kgraft for ARM and basic
>> usage of function and function_graph tracers
>> It doesn't show any problem with the ftrace selftests and the tests found
>> today in branch ftrace/testing-mystuff of linux-trace repository
>> (git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git)
>
> Those tests are no where near what I have. Does this code work on the
> beagle bone white? If so, I can probably run my full suite on it.
It should work on any arm processor, It's not platform or SOC dependent
>
> -- Steve
>
>>
>> Jean-Jacques Hiblot (1):
>> arm: ftrace: Adds support for ftrace operations
>>
>> arch/arm/Kconfig | 2 ++
>> arch/arm/include/asm/ftrace.h | 3 ++
>> arch/arm/kernel/entry-common.S | 68
>> +++++++++++++++++++++++++++++++++++++++++-
>> arch/arm/kernel/ftrace.c | 34 +++++++++++++++++++++
>> 4 files changed, 106 insertions(+), 1 deletion(-)
>>
>
>
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