Message-ID: <4BD5E298.4020506@redhat.com>
Date: Mon, 26 Apr 2010 14:59:36 -0400
From: Masami Hiramatsu <mhiramat@redhat.com>
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To: Arnaldo Carvalho de Melo <acme@redhat.com>
CC: Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>,
       Paul Mackerras <paulus@samba.org>,
       Peter Zijlstra <peterz@infradead.org>, Mike Galbraith <efault@gmx.de>,
       Frederic Weisbecker <fweisbec@gmail.com>,
       systemtap <systemtap@sources.redhat.com>,
       DLE <dle-develop@lists.sourceforge.net>
Subject: Re: [PATCH -tip 2/4] perf probe: Fix to use symtab only if no	debuginfo
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Arnaldo Carvalho de Melo wrote:
> Em Wed, Apr 21, 2010 at 03:56:24PM -0400, Masami Hiramatsu escreveu:
>> Fix perf probe to use symtab only if there is no debuginfo,
>> because debuginfo has more precise information than symtab.
> 
> "more precise"? Wouldn't it be "more expressive", i.e. with more
> information (parameter list with types, return type, location of
> parameters, etc), because what is common to both have the same value,
> i.e. the function address and size.

Indeed. debuginfo has just more information than symtab, but
symtab certainly provides precise information for symbol-address.

Thank you,


-- 
Masami Hiramatsu
e-mail: mhiramat@redhat.com
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