XBT_PRIVATE void TRACE_smpi_computing_init(int rank);
XBT_PRIVATE void TRACE_smpi_computing_out(int rank);
XBT_PRIVATE void TRACE_smpi_computing_in(int rank, double amount);
-XBT_PRIVATE void TRACE_smpi_sleeping_init(int rank);
XBT_PRIVATE void TRACE_smpi_sleeping_out(int rank);
XBT_PRIVATE void TRACE_smpi_sleeping_in(int rank, double duration);
XBT_PRIVATE void TRACE_smpi_testing_out(int rank);