What is ITAC
ITAC (included in OneAPI) is a MPI tracer and analyer for intelmpi, if your program can be compiled with Intel MPI, then you can get a detailed MPI trace data by ITAC.
How to use ITAC
setup for tracing
module use /scinet/intel/oneapi/2021u4/itac/latest/modulefiles
module load itac
export LD_PRELOAD=/scinet/intel/oneapi/2021u4/itac/latest/slib/libVT.so