Usage message for PASS specific arguments...
    -Dvpg <integer>           : Debug level for virtual process group code
    -Dsr <integer>            : Debug level for send/receive code
    -Dspawn <integer>         : Debug level for process spawn code
    -Dstate <integer>         : Debug level for state transitions
    -Dresmgr <integer>        : Debug level for Resource Manager Interface Code
    -Dinfo <integer>          : Debug level for task info code
    -Dmalloc <integer>        : Debug level for Memory Allocation
    -Dexception <integer>     : Debug level for Exception Handling
    -Dtop <integer>           : Debug level for Top level Code
    -Dmainloop <integer>      : Debug level for Main Event Loop Code
    -Dshutdown <integer>      : Debug level for Shutdown Code
    -Dsi <integer>            : Debug level for simple instrumentation
    -Dmpirm <integer>         : Debug level for MPI RM Library Code
    -Drmi <integer>           : Debug level for Remote Method Invocation Code
    -Dpjl <integer>           : Debug level for Parallel Job Launcher Code
    -Dper <integer>           : Debug level for Performance data
    -Dpass <integer>          : Set all PASS debugging flags to <integer>
    -pause "id1 id2...idn"    : Pause at pausepoints id1 id2...idn
    -show_pausepoints         : Print a message when each pausepoint is 
                                executed
    -TSdebug                  : Enable debugging for TaskStarter