Re: [PATCH v4 1/2] perf tool: encapsulate dsos list head into struct dsos

From: Namhyung Kim
Date: Sun Sep 28 2014 - 23:54:08 EST

Hi Arnaldo and Waiman,

On Fri, 26 Sep 2014 11:06:25 -0300, Arnaldo Carvalho de Melo wrote:
> Em Wed, Sep 24, 2014 at 11:45:39AM -0400, Waiman Long escreveu:
>> This is a precursor patch to enable long name searching of DSOs
>> using the rbtree. In this patch, a new dsos structure is created
>> which contains only a list head structure for the moment. The new
>> dsos structure is used, in turn, in the machine structure for the
>> user_dsos and kernel_dsos fields. Only the following 3 dsos functions
>> are modified to accept the new dsos structure parameter instead
>> of list_head:
>> - dsos__add()
>> - dsos__find()
>> - __dsos__findnew()
>> Because of the need to find out the corresponding dsos structure to
>> properly call dsos__add() in dso__load_sym() of util/symbol-elf.c,
>> a new dsos field is also added to the dso structure.
> Argh, yeah, that is unfortunate that we need to add entries that deep
> inside dso__load_syms() :-\

But it seems we can use map->groups->machine to find out the head/root
of the dsos..

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