Re: [PATCH v2 2/3] perf annotate: Introduce the new source code view

From: Peter Zijlstra
Date: Wed Mar 01 2017 - 09:46:17 EST


On Wed, Mar 01, 2017 at 10:58:05PM +0900, Namhyung Kim wrote:
> On Wed, Mar 01, 2017 at 04:59:52AM +0900, Taeung Song wrote:
> > The current source code view using 'objdump -S'
> > has several limitations regarding line numbers of each soure
> > code line and confusing mixed soure code & diassembly view.
> >
> > So not use the '-S' option any more and
> > add the new reable source code view with
> > correct line numbers and source code per each symbol(function)
> > using new struct source_code.
>
> I like this "source-only" annotation, but some people still might want
> to see the "mixed" annotation. So I think you need to keep it and
> provide another option for the source-only mode. And then we can
> change the default later.

What's the point of source-only? You can't even see what it is that is
expensive.