[mpich-discuss] Using an Alternative Debugger for MPICH

[Pavan Balaji]

Ellis,

Is mpirun_dbg.ltrace a launcher? How is that expected to interact with 
MPICH2's mpiexec? The -dbg option was for using a gdb like debugger, AFAIR.

  -- Pavan

On 04/01/2011 01:56 PM, Ellis H. Wilson III wrote:
> On 04/01/11 14:40, Yauheni Zelenko wrote:
>> Hi, Ellis!
>>
>> If you open to proprietary alternatives, I could recommend DDT by Allinea. I use it too.
>
> Eugene and Ashley,
>
> Thanks for your suggestions.  Surprisingly, I'm not really interested in
> doing "actual" debugging, I'm using the debugger as a tracing mechanism.
>   Allow me to elaborate to make sense of this: I'm using LANL-Trace and
> an instrumented MPICH to grab MPI-IO accesses as they go out to PVFS and
> LANL-Trace by requires the use of -dbg to specify it's custom debugger
> mpirun_dbg.ltrace.  I plan to move away from LANL-Trace this summer, but
> would like to continue working with it until then as I don't have enough
> time to totally revamp my code base right now.
>
> Seeing that John Bent is on this list, perhaps I can bother him to offer
> some insight into my problem since he's listed in the LANL-Trace README.
>
> Thanks,
>
> ellis
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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji