linux-kernel - Re: RFC: callchain showing same entry as hist

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Message-ID: <20160816154118.GE11382@danjae.aot.lge.com>
Date:	Wed, 17 Aug 2016 00:41:18 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: RFC: callchain showing same entry as hist_entry

On Tue, Aug 16, 2016 at 12:32:44PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Aug 16, 2016 at 12:31:43PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Wed, Aug 17, 2016 at 12:23:55AM +0900, Namhyung Kim escreveu:
> > > Did you run 'perf report -s sym --stdio'?  It seems that current code
> > > already works as sane..  Do you want to make it work for the default sort
> > >> key too?
> > 
> > What I want is not to repeat the hist_entry line as the first entry in
> > the callchain, which is confusing.
> > 
> > I.e. repeat the duplication that is happening with the default sort
> 
> s/repeat/remove/g
> 
> > entry, that contains "sym".

Hmm.. if so, wouldn't it be better skipping the first callchain entry
when the user-given sort key contains "sym" too (not only when it
starts with 'sym')?

Thanks,
Namhyung