Re: RFP: Fixing "-ga -ag -g fp -g dwarf" was Re: [PATCHSET 0/8] perftools: Fix scalability problem on callchain merging (v5)

From: Arnaldo Carvalho de Melo
Date: Fri Oct 25 2013 - 15:46:56 EST

Em Fri, Oct 25, 2013 at 01:22:27PM -0600, David Ahern escreveu:
> On 10/25/13 1:09 PM, Arnaldo Carvalho de Melo wrote:
> >>>I think I did with the second follow up patch: -ga -ag -g fp -g
> >>>dwarf should all work properly with fp the default for -g.

> >>Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>

> >Can I have this one submitted?

> Upon further review, Jiri was correct: that patch handles some of
> the old cases fine, but did not handle others. ie., it just moved
> the bad syntax problem around.

perhaps we can do, at least for now, with what Ingo suggested?

Namely, having:

--call-graph Require an argument, either "dwarf" or "fp"
-g Doesn't require anything, uses whatever is configured,
fp if no explicit config is done in places like

Fits with what most people do usually, no?

- Arnaldo
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