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Date: Tue, 20 Oct 2015 14:19:50 +0200
From: Frederic Weisbecker <fweisbec@gmail.com>
To: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
Cc: 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>,
        Chandler Carruth <chandlerc@gmail.com>,
        David Ahern <dsahern@gmail.com>, Jiri Olsa <jolsa@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>,
        Stephane Eranian <eranian@google.com>, Wang Nan <wangnan0@huawei.com>
Subject: Re: [PATCH 13/16] perf callchain: Switch default to
 'graph,0.5,caller'
Message-ID: <20151020121948.GA29289@lerouge>
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On Tue, Oct 20, 2015 at 09:00:34AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Mon, Oct 19, 2015 at 05:16:53PM -0700, Brendan Gregg escreveu:
> So are you advocating different defaults, one for --stdio (callee),
> another for --tui, --gtk (caller)?
> 
> This is all configurable via ~/.perfconfig :-\
> 
> Indeed, finding a default that is deemed adequate for most people is,
> ho-hum, difficult 8-)

Most uses I've seen on LKML by the past involved callee because people
mostly look at the precise point where a performance issue is.

IMHO changing that order is not a good idea. Unless many users complained
about it.

> 
> Ingo, what do you think?
> 
> - Arnaldo