Hi:

On 01 Mar 2014, at 19:44, Alexandre Bergel <alexandre.ber...@me.com> wrote:

> The VM is a formidable thing in which everything happen. Exposing to the 
> image what’s going on in it is really pushing the innovation. 

Perhaps something that could be relevant in case someone decides to implement 
such an interface in Cog:
Just one, pretty old example: 
http://docs.oracle.com/javase/6/docs/platform/jvmti/jvmti.html#EventIndex

You can get access to many different information in terms of ‘events’ on the 
JVM.
For building a profiler, more than sufficient. And, at least in my personal 
opinion also something that would be desirable for Cog, perhaps in a slightly 
more modern design, but with a similar flavor.

Best regards
Stefan


-- 
Stefan Marr
INRIA Lille - Nord Europe
http://stefan-marr.de/research/




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