[mpich-discuss] MPI_Comm_spawn and strace

Mccall, Kurt E. (MSFC-EV41) kurt.e.mccall at nasa.gov
Tue Jan 18 11:28:43 CST 2022

Hi,  I need to run each of my processes created using MPI_Comm_spawn under strace, so that I can see all system calls that they make.
Is this possible?  I've made a few naïve attempts, like passing "strace <my_executable>" to MPI_Comm_spawn, but those attempts didn't work.

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