linux-kernel - Re: [RFC 00/26] perf tools: Introduce hists specific format entries

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Message-ID: <20160119132326.GA9682@krava.brq.redhat.com>
Date:	Tue, 19 Jan 2016 14:23:26 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Jiri Olsa <jolsa@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [RFC 00/26] perf tools: Introduce hists specific format entries

On Tue, Jan 19, 2016 at 09:58:41PM +0900, Namhyung Kim wrote:
> On Mon, Jan 18, 2016 at 10:23:58AM +0100, Jiri Olsa wrote:
> > hi,
> > currently we have global format sort and output
> > lists. This rfc patchset introduces hists object
> > based format entries to allow the hist object to
> > carry specific format entries.
> > 
> > This will allow to have distinguished hist objects
> > displaying different stuff in output.
> 
> How do you manage hists objects to have different hpp lists?  Will you
> provide an option to users?  Or is it specific to some tools like
> c2c?

this patchset does not change the visible things,
it allows to initialize hists with perf_hpp_list
that provides sort/output list

the only visible usage I ahve for this is the c2c display
where I display cahclines with details on one screen and
separate cacheline offsets on another

jirka