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

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Date:	Tue, 06 Oct 2009 20:15:34 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Masami Hiramatsu <mhiramat@...hat.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	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, 2009-10-06 at 10:23 -0400, Masami Hiramatsu wrote:
> Steven Rostedt wrote:
> > 
> 
> OK, so here are syntax ideas
> 
> * current syntax
> <Ftrace>
> - $sp_var
> - %regs
> - @symbol
> <Perf>
> - local_var
> 
> * $local syntax
> <Ftrace>
> - sp_var
> - %regs
> - @symbol
> <Perf>
> - $local_var
> 

I'm fine with either of the above. I don't like either of the below.

-- Steve

> * non $ syntax 1
> <Ftrace>
> - %sp_var
> - %regs
> - @symbol
> <Perf>
> - local_var
> 
> * non $ syntax 2
> <Ftrace>
> - %%sp_var or %@...var
> - %regs
> - @symbol
> <Perf>
> - local_var
> 
> So, which one do you like to use? :-)
> 
> Thank you,
> 

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