[mpiwg-tools] Debugger spawn

[Ralph Castain]

Hello folks

We’ve been chatting in the meetings about how to possibly use PMIx for obtaining proctable info and having the resource manager (or mpirun) launch debugger daemons. I have prototyped some code for PMIx that supports these operations (will commit it to PMIx for the 2.0 release, and it will be in OMPI master shortly), and written a sample debugger startup tool (see attached) that illustrates how it would be used.

I think you will find it relatively simple. We can add/subtract/modify the returned proctable data as required.

HTH
Ralph


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