MPE_Log_sync_clocks
synchronize or recalibrate all MPI clocks to minimize the effect of time drift.  It is like a  longer version of MPI_Comm_barrier( MPI_COMM_WORLD ); 
Synopsis
int MPE_Log_sync_clocks( void )
Returns
alway returns MPE_LOG_OK
Location:../src/logging/src/mpe_log.c