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    SubjectRe: [ANNOUNCE] pahole and other DWARF2 utilities
    On Mon, 30 Oct 2006 18:33:19 -0300
    Arnaldo Carvalho de Melo <acme@mandriva.com> wrote:

    > Hi,
    >
    > I've been working on some DWARF2 utilities and thought that it
    > is about time I announce it to the community, so that what is already
    > available can be used by people interested in reducing structure sizes
    > and otherwise taking advantage of the information available in the elf
    > sections of files compiled with 'gcc -g' or in the case of the kernel
    > with CONFIG_DEBUG_INFO enabled, so here it goes the description of said
    > tools:
    >
    > pahole: Poke-a-Hole is a tool to find out holes in structures, holes
    > being defined as the space between members of functions due to alignemnt
    > rules that could be used for new struct entries or to reorganize
    > existing structures to reduce its size, without more ado lets see what
    > that means:
    >
    > ...
    >
    > 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.

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