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SubjectRe: RFP: Fixing "-ga -ag -g fp -g dwarf" was Re: [PATCHSET 0/8] perf tools: Fix scalability problem on callchain merging (v5)
On Sat, Oct 26, 2013 at 02:03:36PM +0200, Ingo Molnar wrote:
>
> * Arnaldo Carvalho de Melo <acme@ghostprotocols.net> wrote:
>
> > 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@kernel.org>
> >
> > > >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
> > ~/.perfconfig
> >
> > Fits with what most people do usually, no?
>
> Please do this! Usability sucks right now, going from '-g' to
> '-g <foo>' was an incompatible change, a regression I argue,
> which should be fixed in an urgent branch ASAP.

about to finish patches with that, will send it soon

jirka


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