current seqexec generated the following output in it's stdout for each job

[seqexec-task id=20, start="2012-03-26T23:17:18.313-07:00", duration=60.336, status=0, line=40, pid=9837, app="./dart-wrapper"]

And a summary in the end
[seqexec-summary stat="ok", lines=40, tasks=20, succeeded=20, failed=0, extra=0, duration=1252.750, start="2012-03-26T22:57:25.900-07:00", pid=8407, app="pegasus-cluster"]

pegasus-mpi-cluster should generate records similarly starting with
cluster-task - to designate record for each constituent job
cluster-summary - for the summary.