linux-kernel - Re: [PATCH tracing/kprobes v2 1/5] tracing/kprobes: Rename special variables syntax

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Message-ID: <20091006224755.GC11007@nowhere>
Date:	Wed, 7 Oct 2009 00:47:57 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Masami Hiramatsu <mhiramat@...hat.com>
Cc:	rostedt@...dmis.org, Ingo Molnar <mingo@...e.hu>,
	lkml <linux-kernel@...r.kernel.org>,
	systemtap <systemtap@...rces.redhat.com>,
	DLE <dle-develop@...ts.sourceforge.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Christoph Hellwig <hch@...radead.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Jim Keniston <jkenisto@...ibm.com>,
	"Frank Ch. Eigler" <fche@...hat.com>
Subject: Re: [PATCH tracing/kprobes v2 1/5] tracing/kprobes: Rename special
	variables syntax

On Tue, Oct 06, 2009 at 10:23:50AM -0400, Masami Hiramatsu wrote:
> OK, so here are syntax ideas
> 
> * current syntax
> <Ftrace>
> - $sp_var
> - %regs
> - @symbol
> <Perf>
> - local_var


This one looks good.
And why not turning @symbol into symbol?
Then it's up to perf probe to find the right
target.

And @ can be used for raw addresses?

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