Re: [PATCH 0/13] maps: pagemap, kpagemap, and related cleanups

On Fri, 13 Apr 2007 12:18:56 +1000 Nick Piggin <[email protected]> wrote:

> > I guess one could generate an answer to the static question with systemtap,
> > by accumulating running counts across the application lifetime and then
> > snapshotting them.  Sounds hard though.
> 
> Can't you just traverse arbitrary kernel data structures at a given point
> in time, exactly like the /proc/ call is doing?

Do a full pagetable walk, with all the associated locking from within
a systemtap script?  I'd be surprised.  Maybe if it's mostly hand-coded
in C, perhaps.  Then you just end up with the same thing, don't you?
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