linux-kernel - Re: [PATCH -tip ] [BUGFIX]tracing/kprobes: Fix kprobe-tracer to support stack trace

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Date:	Thu, 26 May 2011 08:31:43 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Mike Frysinger <vapier@...too.org>
Cc:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	yrl.pp-manager.tt@...achi.com, Russell King <rmk@....linux.org.uk>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Subject: Re: [PATCH -tip ] [BUGFIX]tracing/kprobes: Fix kprobe-tracer to
 support stack trace

On Thu, 2011-05-26 at 01:25 -0400, Mike Frysinger wrote:

> >  save_stack_trace_regs() function.
> 
> i think only x86 implements that func ? 

Looks to be the case. I didn't think so because not all archs failed.
Hmm, archs like sparc compiled. Perhaps my config prevented tracing
enabled? I'll need to take a deeper look.


>  and its stacktrace.c just seems to beg for generalization ...

Looks like a project for the next merge window :)

-- Steve


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