Re: [PATCH] perf tools: Add a dso_size option to perf report --sort

[Kim Phillips]

On Tue, 27 Mar 2018 04:27:02 -0700
Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote:

> On Tue, Mar 27, 2018 at 06:09:56AM -0500, Kim Phillips wrote:
> > Add DSO size to perf report/top sort output list.
> > 
> > This includes adding a map__size fn to map.h, which is
> > approximately equal to the DSO data file_size:
> 
> What's the point of knowing the size?  

I think it's just an extra convenience over symbol_size (added in
commit 7768f8dada66d6  "perf tools: Allow sorting by symbol size") for
tools developers' aggregation statistics.

> Most of the DSO may not be faulted in. If anything the working
> set would be more interesting. This would need more changes
> though.

Indeed.  Maxim?

Kim