linux-kernel - Re: [PATCH 2/2] ftrace - add ftrace function

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Message-ID: <AANLkTi=ULuo8upL9W2dCbn26G_i+moEO2EofBxy_fceU@mail.gmail.com>
Date:	Sat, 9 Oct 2010 23:13:24 +0530
From:	Rabin Vincent <rabin@....in>
To:	Tim Bird <tim.bird@...sony.com>
Cc:	Tony Lindgren <tony@...mide.com>,
	Russell King <rmk@....linux.org.uk>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux kernel <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 2/2] ftrace - add ftrace function_graph support on ARM

Hi Tim,

On Sat, Mar 6, 2010 at 6:01 AM, Tim Bird <tim.bird@...sony.com> 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@...sony.com>

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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