XBT_PRIVATE void TRACE_internal_smpi_set_category(const char* category);
XBT_PRIVATE const char* TRACE_internal_smpi_get_category();
XBT_PRIVATE void TRACE_smpi_collective_in(int rank, int root, const char* operation, instr_extra_data extra);
-XBT_PRIVATE void TRACE_smpi_collective_out(int rank, int root, const char* operation);
+XBT_PRIVATE void TRACE_smpi_collective_out(int rank, const char* operation);
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, instr_extra_data extra);