Re: [RFC 0/7] perf report/gtk: Add support for hierarchy view

[Pekka Enberg]

On 05/21/2013 10:26 AM, Namhyung Kim wrote:
> On Tue, 21 May 2013 10:04:05 +0300, Pekka Enberg wrote:
> > Hello,
> >
> > On Tue, May 21, 2013 at 9:14 AM, Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
> > > This patchset implements a new feature that collects hist entries in a
> > > hierachical manner.  That means lower-level entries are belonged 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.
> > >
> > > This is only implemented in --gtk currently, since it's well-matched
> > > to the GTK tree view widget and I didn't want to be bothered with the
> > > TUI browser code at this stage. :)
> >
> > Can use this infrastructure to support call-graphs in the GTK UI?
>
> Yes, I think it's doable.  I don't have an idea how to use both of the
> features at the same time though.  Anyway, I'll try to add support for
> callchains later.

So I think hierarchy view makes tons of sense but it needs to be 
orthogonal with call-graphs. Preferably in such a way that if you have 
both hierarchy view and call-graphs enabled, you can seamlessly drill 
down from process level all the way to call-graph leaf nodes.

			Pekka
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