linux-kernel - Re: [RFC/PATCHSET 00/17] perf tools: Add support for hierachy view (v2)

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Date:	Sun, 17 Jan 2016 20:31:53 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Jiri Olsa <jolsa@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <andi@...stfloor.org>,
	Wang Nan <wangnan0@...wei.com>,
	Don Zickus <dzickus@...hat.com>,
	Pekka Enberg <penberg@...nel.org>,
	Moinuddin Quadri <moin18@...il.com>
Subject: Re: [RFC/PATCHSET 00/17] perf tools: Add support for hierachy view
 (v2)

On Sun, Jan 17, 2016 at 01:03:00AM +0900, Namhyung Kim wrote:
> Hello,
> 
> This is v2 attempt of my earlier patchset [1].  This patchset
> implements a new feature that collects hist entries in a hierachical
> manner.  That means lower-level entries belong to an upper-level
> entry.  The entry hierachy is built on the sort keys given, so users
> can set it whatever they want.  It only shows top-level entries first,
> and user can expand/collapse it dynamically.

Thanks that's very nice. Especially for TSX profiling it was always
very annoying that the other sort keys didn't actually sort.
It should be very useful for LBR view too.

Now we only need a better percent-limit that handles all
leaves correctly...

-Andi