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The SystemC AMS standard defines in section 9.1.2.6 (sca_util::sca_trace) that it can trace objects of type sca_traceable_object. Since all ELN primitives are derived of this type, you can simply trace the ELN component itself, see example below SC_MODULE(eln_circuit) { // node declaration sca_eln::sca_node n1; // ELN node sca_eln::sca_node_ref gnd; // ELN ground // component declaration sca_eln::sca_vsource vin; sca_eln::sca_r r1; // constructor including ELN netlist eln_circuit( sc_core::sc_module_name nm ) : vin("vin", 0.0, 1.23), r1("r1", 1e3) { // Only ELN primitives requires explicit timestep assignment to one element vin.set_timestep(1.0, sc_core::SC_MS); // netlist vin.p(n1); vin.n(gnd); r1.p(n1); r1.n(gnd); } }; int sc_main(int argc, char* argv[]) { eln_circuit cir("eln_circuit"); sca_util::sca_trace_file* tf = sca_util::sca_create_tabular_trace_file("trace.dat"); sca_util::sca_trace(tf, cir.n1, "v_n1"); sca_util::sca_trace(tf, cir.vin, "i_through_vin"); sca_util::sca_trace(tf, cir.r1, "i_through_r1"); sc_core::sc_start(1.0, sc_core::SC_MS); sca_util::sca_close_tabular_trace_file(tf); return 0; }