Re: [PATCH 2/2] ftrace - add ftrace function_graph support on ARM
From: Rabin Vincent
Date: Sat Oct 09 2010 - 13:44:07 EST
Hi Tim,
On Sat, Mar 6, 2010 at 6:01 AM, Tim Bird <tim.bird@xxxxxxxxxxx> wrote:
> Add ftrace function-graph tracer support for ARM.
>
> This includes adding code in mcount to check for
> (and call) a registered function graph trace entry
> routine, and adding code to support a return
> trampoline, to catch the function exit.
>
> IRQENTRY_TEXT was added to vmlinux.lds.S (to eliminate
> a compiler error on kernel/trace/trace_functions_graph.c),
> although no routines were marked as __irq_entry.
>
> Signed-off-by: Tim Bird <tim.bird@xxxxxxxxxxx>
What happened to this? Do you intend to post a new version of these
patches? If not, I'd like to post a series which updates this to
current kernels and also adds support for the graph tracer + dynamic
ftrace combo on ARM based on the recent ARM dynamic ftrace support.
Rabin
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