Also i was wondering whether gdb could be used with openMPI. I know
about -d option in mpirun but i need to use gdb if its possible. I
think i have done all the necessary things to enable profiling and
debuging but i am missing something here.
Sorry guys i forgot i could debug shared library function in gdb. :) So currently using
$ mpirun -np 1 xterm -e gdb hello
to debug the openMPI source.
If only i could get the profiling information, it could help me a lot.
Leo :)
________________________________
From: Leo P. <leo_7892003_at_[hidden]>
To: Open MPI Developers <devel_at_[hidden]>
Sent: Monday, 15 June, 2009 12:36:34 AM
Subject: [OMPI devel] complete newbie question regarding --enable-mpi-profile option
Hi Everyone,
I have been trying to enabling profiling of openMPI code.
Earlier i also saw a thread [http://www.open-mpi.org/community/lists/users/2008/04/5369.php] which talks about using --enable-mpi-profile option in configure which i have done. But i have not been able to get hold of profiling data. I tried installing vampir from https://computing.llnl.gov/code/vgv.html#installations but i am not been able to install.
So i wanted to know how people are profiling the core openMPI code.
I am a complete newbie and would appreciate any information.
Also i was wondering whether gdb could be used with openMPI. I know about -d option in mpirun but i need to use gdb if its possible. I think i have done all the necessary things to enable profiling and debuging but i am missing something here.
Currentl y i am configuring openMPI using following param
./configure -enable-debug --with-devel-headers --enable-trace --enable-mpi-profile --enable-mem-debug
Leo P.
________________________________
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