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Message-ID: <4BD5E298.4020506@redhat.com> Date: Mon, 26 Apr 2010 14:59:36 -0400 From: Masami Hiramatsu <mhiramat@...hat.com> To: Arnaldo Carvalho de Melo <acme@...hat.com> CC: Ingo Molnar <mingo@...e.hu>, lkml <linux-kernel@...r.kernel.org>, Paul Mackerras <paulus@...ba.org>, Peter Zijlstra <peterz@...radead.org>, Mike Galbraith <efault@....de>, Frederic Weisbecker <fweisbec@...il.com>, systemtap <systemtap@...rces.redhat.com>, DLE <dle-develop@...ts.sourceforge.net> Subject: Re: [PATCH -tip 2/4] perf probe: Fix to use symtab only if no debuginfo 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@...hat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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