[erlang-questions] DTrace Redux

[Bill Robertson]

I ran across the recent discussion on dtrace here (nabble archive: http://www.nabble.com/DTrace-for-Erlang-t4799640.html).  I think it would be an excellent idea because it lets you track from your erlang down into the code of the VM and then even into the kernel.  I recently attended a Sun seminar on DTrace and they claimed that using DTrace they were able to get a 50% performance improvement between the Java 5 and Java 6 VM's.  Although I don't honestly know if that required dtrace instrumentation at the Jave language level.

There is a Google Tech Talk on DTrace.  The speaker is the creator of DTrace, and he states that they are willing to help other groups integrate DTrace into other virtual machines.  So you ought to take them up on that offer if you're interested.

The video is here if you have not seen it.   http://video.google.com/videoplay?docid=-8002801113289007228&q=dtrace&total=8&start=0&num=10&so=0&type=search&plindex=0

Thanks for reading.




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