[MERGE] Report the number of VFS calls in -Dhpss output

[John Arbash Meinel]

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Jonathan Lange wrote:
> Hello,
> 
> As discussed in an earlier thread, this patch extends the smart
> server's _DebugCounter to maintain a separate count of VFS calls.
> 
> It does this by inspecting the 'method' attribute of params, fetching
> the request object from the registry and checking to see whether it's
> a subclass of VfsRequest.
> 
> I've updated the NEWS file, but didn't write any tests, since I
> couldn't find any for the existing functionality. I did double check
> the count against the .bzr.log though, and the numbers work out just
> fine.
> 
> jml
> 

BB:comment

The change looks fine to me. I would approve, but I think someone like
Andrew should give it a look over first.

If you don't get a response after a couple days, remind me to bump this
to approve and submit.

John
=:->

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