[mpich-discuss] MPE and tracing

[Georges Markomanolis]

Dear Anthony,

thanks a lot for your answer, this is what I wanted.

Best regards,
Georges

Anthony Chan wrote:
> ----- "Georges Markomanolis" <georges.markomanolis at ens-lyon.fr> wrote:
>
>   
>> I would like to ask you something about MPE. During tracing, the
>> output 
>> is to standard output. Is there any way for writing one file per
>> process 
>> which will include the traces that belong only to this process?
>>     
>
> You could modify mpe2/src/wrappers/src/trace_mpi_core.c to have
> it print to a file instead of stdout.  Just need to open
> a file in MPI_Init() with a name that is prefixed with rank ID,
> and writes to this file in the macro TRACE_PRINTF.  Then close
> the file in MPI_Finalize().  
>
> A.Chan
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