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Date: Tue, 21 Apr 2015 09:26:10 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>, Jiri Olsa <jolsa@redhat.com>,
        LKML <linux-kernel@vger.kernel.org>, David Ahern <dsahern@gmail.com>,
        Taeung Song <treeze.taeung@gmail.com>
Subject: Re: [PATCH v2] perf tools: Document --children option in more detail
Message-ID: <20150421072610.GB22291@gmail.com>
References: <1429533764-11607-1-git-send-email-namhyung@kernel.org>
 <20150420180411.GA19023@gmail.com>
 <20150421070108.GE1905@sejong>
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* Namhyung Kim <namhyung@kernel.org> wrote:

> Hi Ingo,
> 
> On Mon, Apr 20, 2015 at 08:04:11PM +0200, Ingo Molnar wrote:
> > 
> > * Namhyung Kim <namhyung@kernel.org> wrote:
> > 
> > > As the --children option changes the output of perf report (and perf
> > > top) it sometimes confuses users.  Add more words and examples to help
> > > understanding of the option's behavior - and how to disable it ;-).
> > 
> > Nice! :-)
> 
> Thanks! :)
> 
> > 
> > > +++ b/tools/perf/Documentation/overhead.txt
> > 
> > As some people might stumble upon this the old fashioned way, by 
> > looking around in 'Documentation/', I'm wondering how this file name 
> > will tell the reader that this is about call chains? (which isn't the 
> > default recording mode) Maybe name it more explicitly, like 
> > callchain-overhead.txt?
> 
> OK.  But I'd rather name it 'overhead-calculation.txt' to align with
> the section name.  And 'callchain-overhead' makes me thinking about
> the overhead of processing callchains at record or report time.

Sure!

> > s/perfconfig/.perfconfig
> > 
> > ?
> 
> It seems we can have a system-wide /etc/perfconfig too.  How about
> 'the perf config file' instead?

Yeah.

Thanks,

	Ingo