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Thursday September 06, 2007 
• DTrace with Open MPI (ClusterTools7) Apps Did you see this article?
This article describes how to use the Solaris Dynamic Tracing
(DTrace) utility with Open MPI applications. DTrace is a comprehensive
dynamic tracing utility that you can use to monitor the behavior of
applications programs as well as the operating system itself. You can
use DTrace on live production systems to understand those systems'
behavior and to track down any problems that might be occurring.
( Sep 06 2007, 03:55:02 PM PDT )
[Solaris]
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rchrd,
There are a couple of us Open MPI / Sun HPC CluterTools developers blogging as well.
Sun:
Dan Lacher: http://blogs.sun.com/dlacher/
Rolf Vandevaart: http://blogs.sun.com/rolfv/
Open MPI:
Jeff Squyers: http://jeff.squyres.com/journal/archives/open_mpi/
For those excited about DTrace and ClusterTools there is more coming so hold onto your seat.
Posted by Dan Lacher on September 07, 2007 at 04:24 AM PDT #
Yes, we are working on USDT probes to expose the MPI Peruse hooks that are in the MPI library. I've gotten a prototype up and working with a script that shows a netstat like output for MPI.
I also have a blog (http://blogs.sun.com/tdd/)
that I hope to post a new entry in the next 24 hours.
Posted by Terry Dontje on September 07, 2007 at 04:56 AM PDT #