=== 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(+0x1ea6d5) [0x5559972336d5] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:178:39 1: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x1ec306) [0x555997235306] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:82:8 2: /lib64/libc.so.6(+0x3c6b0) [0x7fd9f47aa6b0] __restore_rt ??:0 3: /lib64/libc.so.6(gsignal+0x145) [0x7fd9f47aa625] raise ??:0 4: /lib64/libc.so.6(abort+0x12b) [0x7fd9f47938d9] abort ??:0 5: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x41978) [0x55599708a978] .annobin__ZSt20__replacement_assertPKciS0_S0_.end ??:0 6: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x79728) [0x5559970c2728] std::vector >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:903:20 in Castro::construct_ctu_hydro_source(double, double) /usr/include/c++/9/bits/stl_vector.h:1042:2 amrex::FabArray::fabPtr(amrex::MFIter const&) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:903:20 amrex::Array4 amrex::FabArray::array(amrex::MFIter const&) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:967:12 Castro::construct_ctu_hydro_source(double, double) /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:1367:59 7: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x504cb) [0x5559970994cb] Castro::do_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:181:28 8: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x50ae0) [0x555997099ae0] advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:570:90 in Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:148:8 Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:570:90 9: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x486d2) [0x5559970916d2] 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 10: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x24003d) [0x55599728903d] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2050:81 11: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x232f7a) [0x55599727bf7a] 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:2377:26 12: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x2713c) [0x55599707013c] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 13: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fd9f47951a3] __libc_start_main ??:0 14: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x3070e) [0x55599707970e] _start ??:0 ===== TinyProfilers ====== main() Amr::coarseTimeStep() Amr::timeStep() Castro::advance() Castro::subcycle_advance_ctu() Castro::do_advance_ctu() Castro::construct_ctu_hydro_source()