Messages in this thread | | | Date | Fri, 07 Nov 2014 18:01:40 +0100 | From | Jean-Jacques Hiblot <> | Subject | Re: [PATCH] arm: ftrace: Adds support for ftrace operations |
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On 11/07/2014 05:52 PM, Steven Rostedt wrote: > On Fri, 7 Nov 2014 15:59:11 +0100 > Jean-Jacques Hiblot <jjhiblot@traphandler.com> 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(-) >> > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >
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