linux-kernel - Re: [PATCH] perf: introduce new two options for objdump.

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Message-ID: <20150601141756.GI624@kernel.org>
Date:	Mon, 1 Jun 2015 11:17:56 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Martin Liška <mliska@...e.cz>
Cc:	David Ahern <dsahern@...il.com>, a.p.zijlstra@...llo.nl,
	paulus@...ba.org, mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf: introduce new two options for objdump.

Em Mon, Jun 01, 2015 at 03:58:16PM +0200, Martin Liška escreveu:
> On 06/01/2015 02:54 PM, Arnaldo Carvalho de Melo wrote:
> > Em Mon, Jun 01, 2015 at 01:10:06PM +0200, Martin Liška escreveu:
> >> On 05/20/2015 03:05 PM, Arnaldo Carvalho de Melo wrote:
> >>> Em Wed, May 20, 2015 at 03:02:01PM +0200, Martin Liška escreveu:
> >>>> On 05/19/2015 04:33 PM, Arnaldo Carvalho de Melo wrote:
> >>>>> Em Tue, May 19, 2015 at 08:29:58AM -0600, David Ahern escreveu:
> > 
> > <SNIP>
> > 
> >>>>>> Perhaps it should be generalized a bit? Right now we have symfs for the
> >>>>>> location of the tree for binaries. What about a srcfs for a source tree?
> >>>>>
> >>>>> That is a good idea indeed.
> >>>>
> >>>> I was motivated to be able to annotate source code, realized out-of-box. More precisely, on a machine A
> >>>> I run perf record, I moved the report file to machine B and I use these options to annotate source code.
> > 
> > <SNIP>
> > 
> >>> I guess so, and yeah, the feature implemented in your patch has value,
> >>> thanks for collaborating! It is just that it may fit better as a
> >>> complement to the --symfs stuff, that is also for off-box analysis:
> > 
> >>> --symfs=<directory>::
> >>>         Look for files with symbols relative to this directory.
> > 
> >>> Thanks, will wait for further discussion before applying,
> > 
> >> Are we going to wait any longer? It looks there's no discussion effort in this thread ;)
> > 
> > I was waiting for you to follow thru on David's suggestion.

> Ah, I see.
> My answer what kind of that a single new option is no going to enough. As explained in my previous
> post, one needs to cut N components of a path and append a different path.
> 
> I would follow option names starting with --objdump prefix.

David, do you agree?

- Arnaldo
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