How to set a breakpoint on a given rank? In the following example, I would like to set a breakpoint on rank0, but not on rank 1 and rank2. how do I do it? How do I switch between different rank? Thanks.
[linfa@ran testrun]$ mpirun -gdb -np 3 ../exec/intelmpitest
WARNING: Can't read mpd.hosts for list of hosts, start only on current