1.4. Q. Who calls MPI_Barrier() Where?
A. Create a callpath profile with given depth.
Here is how to generate a callpath profile with MPI
% setenv TAU_CALLPATH 1
% setenv TAU_CALLPATH_DEPTH 100
% qsub run.job
% paraprof -–pack app.ppk
Move the app.ppk file to your desktop.
% paraprof app.ppk
(Windows -> Thread -> Call Graph)
