linux-kernel - Re: [ANNOUNCE] pahole and other DWARF2 utilities

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Message-ID: <20061031172856.GE5319@mandriva.com>
Date:	Tue, 31 Oct 2006 14:28:57 -0300
From:	Arnaldo Carvalho de Melo <acme@...driva.com>
To:	Thiago Galesi <thiagogalesi@...il.com>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	lwn@....net
Subject: Re: [ANNOUNCE] pahole and other DWARF2 utilities

On Tue, Oct 31, 2006 at 02:05:06PM -0200, Thiago Galesi wrote:
> >>       Further ideas on how to use the DWARF2 information include tools
> >> that will show where inlines are being used, how much code is added by
> >> inline functions,
> >
> >It would be quite useful to be able to identify inlined functions which are
> >good candidates for uninlining.
> >
> >-
> 
> Arnaldo, can't we get a call count for functions? (yes, it is not a
> run-time call count, but rather, how many times the function if called
> in the code) I guess this would help for this purpose of finding
> candidates for inlining, uninlining.

At least for inline expansions, yes, for normal function calls I have to
study more the DWARF2 documentation, but I guess its feasible.

- Arnaldo
-
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