=== 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.ex(+0x1e2680) [0x55791dbde680] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:174:39 1: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x1e44e0) [0x55791dbe04e0] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8 2: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x4cc58) [0x55791da48c58] amrex::Abort(char const*) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:525:25 in Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:131:32 Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:525:25 3: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x4485a) [0x55791da4085a] double const& std::min(double const&, double const&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92 in Castro::advance(double, double, int, int) /usr/include/c++/9/bits/stl_algobase.h:205:14 Castro::advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92 4: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x23d666) [0x55791dc39666] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1974:44 5: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x230a6a) [0x55791dc2ca6a] 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:2084:26 6: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x2523c) [0x55791da2123c] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 7: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f54641731a3] __libc_start_main ??:0 8: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x2d68e) [0x55791da2968e] _start ??:0 ===== TinyProfilers ====== main() Amr::coarseTimeStep() Amr::timeStep() Castro::advance() Castro::subcycle_advance_ctu()