Good profiler for Fortran and MPI

Question

Which profiler do you use for Fortran code base with MPI in it? gprof doesn\'t seem to be working correctly. Sun Studio Analyzer only returns the timings for the C/C++ syste

Answer 1

When the questioner says "gprof doesn't seem to be working correctly", perhaps he's referring to the fact that N MPI processes might clobber the gmon.out file. In that case, the (undocumented) GMON_OUT_PREFIX environment variable might make gprof more useful:

$ export GMON_OUT_PREFIX=gmon.out
$ mpiexec -np 4 cpi