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Date: Wed, 21 Oct 2015 10:24:40 -0300
From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
        Chandler Carruth <chandlerc@gmail.com>,
        Brendan Gregg <brendan.d.gregg@gmail.com>,
        Ingo Molnar <mingo@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        Adrian Hunter <adrian.hunter@intel.com>, Borislav Petkov <bp@suse.de>,
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        Stephane Eranian <eranian@google.com>, Wang Nan <wangnan0@huawei.com>,
        Taeung Song <treeze.taeung@gmail.com>
Subject: Re: [PATCH 13/16] perf callchain: Switch default to
 'graph,0.5,caller'
Message-ID: <20151021132440.GF10639@kernel.org>
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Em Wed, Oct 21, 2015 at 10:21:36AM +0900, Namhyung Kim escreveu:
> On Tue, Oct 20, 2015 at 03:44:04PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Tue, Oct 20, 2015 at 07:21:16PM +0200, Frederic Weisbecker escreveu:
> > > On Tue, Oct 20, 2015 at 10:06:51AM -0300, Arnaldo Carvalho de Melo wrote:
> > And I noticed some other shortcoming of this ordering (caller) the stack
> > closer to userspace in a typical perf.data with callchains (perf record
> > -g) can have bogus addresses (-fomit-frame-pointer) :-\
 
> Maybe we need to add an option to ignore unresolved callchains?

We have:

    -U, --hide-unresolved
                          Only display entries resolved to a symbol

But I think the problem here is different, its not about unresolved
stuff, its about invalid addresses, no?

- Arnaldo