[mpich-discuss] MPICh2/Hydra support for debugging

[Pavan Balaji]

You can with gdb/ddd.  I'm not sure about parallel debuggers such as 
totalview, but sounds like it should be.

  -- Pavan

On 09/18/2012 03:13 PM, Nenad Vukicevic wrote:
> On 9/18/2012 11:55 AM, Pavan Balaji wrote:
>> Nenad,
>>
>> Yes, Hydra supports the debugger MPIR "spec".  The Hydra wiki has
>> information on how to use it.
>>
>> http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager
>>
>> You don't need to attach to an already running program.  You can start
>> the program through the debugger.
>
> Thank you. Yes, I know that it is possible to start through the debugger.
> However, if my program for some reason hangs I would like to attach
> to it without restarting. Is this possible?
>

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji