On Thu, Dec 10, 2009 at 08:58, David Howells wrote:
> Make it possible to get the per-task stack usage through /proc on a NOMMU
> system.  The MMU-mode routine can't be used because walk_page_range() doesn't
> work on NOMMU.
>
> It can be tested to show the stack usages of non-kernel-thread processes:
>
>        # grep "Stack usage:" /proc/*/status | grep -v "0 kB"
>        /proc/1/status:Stack usage:     2 kB
>        /proc/57/status:Stack usage:    3 kB
>        /proc/58/status:Stack usage:    1 kB
>        /proc/59/status:Stack usage:    3 kB
>        /proc/60/status:Stack usage:    5 kB
>        /proc/self/status:Stack usage:  1 kB
>
> I've only tested it with ELF-FDPIC, though it should work with FLAT too.

both seem to work for me.  a simple FLAT shows 1kB while one with a
2kB buffer shows 3kB.

Signed-off-by: Mike Frysinger <vap...@gentoo.org>
-mike
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