I was looking at the graphs posted at https://svn.open-mpi.org/trac/ompi/wiki/ORTEScalabilityTesting, and noted that MTT could gather this data if it could just graph on the "duration" column. Would this be useful? E.g.,
http://www.open-mpi.org/mtt/index.php?do_redir=582 Note: the duration timings currently round to the second, but the "duration" column uses an interval type that has microsecond precision, if we needed it. -Ethan