Re: [PATCH 5/5] proc: export more page flags in /proc/kpageflags

[Robin Holt]

On Tue, Apr 28, 2009 at 04:49:55PM -0500, Matt Mackall wrote:
> > Reading the state of all of memory in this fashion would be a somewhat
> > peculiar thing to do.
> 
> Not entirely. If you've got, say, a large NUMA box, it could be
> incredibly illustrative to see that "oh, this node is entirely dominated
> by SLAB allocations". Or on a smaller machine "oh, this is fragmented to
> hell and there's no way I'm going to get a huge page". Things you're not
> going to get from individual stats.

I have, in the past, simply used grep on
/sys/devices/system/node/node*/meminfo and gotten the individual stats
I was concerned about.  Not sure how much more detail would have been
needed or useful.  I don't think I can recall a time where I needed to
write another tool.

Thanks,
Robin
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