=== If no file names and line numbers are shown below, one can run addr2line -Cpfie my_exefile my_line_address to convert `my_line_address` (e.g., 0x4a6b) into file name and line number. Or one can use amrex/Tools/Backtrace/parse_bt.py. === Please note that the line number reported by addr2line may not be accurate. One can use readelf -wl my_exefile | grep my_line_address' to find out the offset for that line. 0: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x195c05) [0x5601fe176c05] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:172:39 1: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x197836) [0x5601fe178836] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:76:8 2: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x237dbf) [0x5601fe218dbf] __amrex_error_module_MOD_amrex_error0 /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_error_mod.F90:41 3: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x2a9cd6) [0x5601fe28acd6] __sdc_util_MOD_sdc_vode_solve /raid/testing/castro-gfortran/Castro//Source/sdc/sdc_util_nd.F90:492 4: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x2aba85) [0x5601fe28ca85] ca_sdc_update_centers_o4 /raid/testing/castro-gfortran/Castro//Source/sdc/sdc_util_nd.F90:771 5: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0xbcb1f) [0x5601fe09db1f] Castro::do_sdc_update(int, int, double) /raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc.cpp:231:25 6: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x5450c) [0x5601fe03550c] Castro::do_advance_sdc(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:224:18 7: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x4f490) [0x5601fe030490] Castro::advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:62:42 8: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x1eb56d) [0x5601fe1cc56d] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2054:81 9: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x1de4aa) [0x5601fe1bf4aa] std::vector >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:34:54 in amrex::Amr::coarseTimeStep(double) /usr/include/c++/9/bits/stl_vector.h:1042:2 amrex::Vector >::operator[](unsigned long) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:34:54 amrex::Amr::coarseTimeStep(double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2381:26 10: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x23f2c) [0x5601fe004f2c] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 11: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f2acf28e1a3] __libc_start_main ??:0 12: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x31bce) [0x5601fe012bce] _start ??:0 ===== TinyProfilers ====== main() Amr::coarseTimeStep() Amr::timeStep() Castro::advance() Castro::do_advance_sdc() Castro::do_sdc_update()