From: Peter Zijlstra <peterz@infradead.org>
To: Lin Ming <ming.m.lin@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH] perf report: add sort by file lines
Date: Tue, 29 Mar 2011 19:08:53 +0200 [thread overview]
Message-ID: <1301418533.2250.419.camel@laptop> (raw)
In-Reply-To: <1301418404.2250.417.camel@laptop>
On Tue, 2011-03-29 at 19:06 +0200, Peter Zijlstra wrote:
> On Tue, 2011-03-29 at 19:03 +0200, Peter Zijlstra wrote:
> > > Is it an unwind of the call frame stack to find out what data member was
> > > accessed?
> >
> > No need to unwind stacks, DWARF should have information on function
> > local stack. It should be able to tell you the type of things like -8(%
> > rbp).
>
> That is, we don't even have a life stack to unwind, so we simply cannot
> unwind at all, but the debug information should be able to tell you the
> type of whatever would live at a certain stack position if we were to
> have a stack.
Furthermore, I've now completely exhausted my knowledge of debuginfo and
hope Masami and Arnaldo will help with further details ;-)
next prev parent reply other threads:[~2011-03-29 17:06 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-29 9:32 [RFC PATCH] perf report: add sort by file lines Lin Ming
2011-03-29 9:46 ` Masami Hiramatsu
2011-03-29 9:54 ` Peter Zijlstra
2011-03-29 16:45 ` Lin Ming
2011-03-29 17:03 ` Peter Zijlstra
2011-03-29 17:06 ` Peter Zijlstra
2011-03-29 17:08 ` Peter Zijlstra [this message]
2011-03-29 17:45 ` Arnaldo Carvalho de Melo
2011-03-30 1:04 ` Masami Hiramatsu
2011-03-30 2:18 ` Arnaldo Carvalho de Melo
2011-03-31 6:57 ` Lin Ming
2011-04-01 10:48 ` Masami Hiramatsu
2011-03-31 8:45 ` Lin Ming
2011-03-31 13:46 ` Arnaldo Carvalho de Melo
2011-03-31 14:19 ` Lin Ming
2011-03-31 15:35 ` Arnaldo Carvalho de Melo
2011-03-31 14:01 ` Peter Zijlstra
2011-03-31 14:34 ` Lin Ming
2011-03-31 14:51 ` Lin Ming
2011-03-31 16:28 ` Peter Zijlstra
2011-03-31 16:32 ` Peter Zijlstra
2011-04-01 13:02 ` Lin Ming
2011-04-01 13:48 ` Peter Zijlstra
2011-04-01 10:44 ` Masami Hiramatsu
2011-04-01 11:05 ` Peter Zijlstra
2011-04-01 13:22 ` Lin Ming
2011-04-01 13:49 ` Peter Zijlstra
2011-04-01 13:57 ` Lin Ming
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