=== 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(+0x197585) [0x55ec94863585] 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(+0x1991b6) [0x55ec948651b6] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:76:8 2: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x1fe018) [0x55ec948ca018] std::__cxx11::basic_string, std::allocator >::_M_is_local() const inlined at /usr/include/c++/9/bits/basic_string.h:231:6 in amrex::AmrLevel::derive(std::__cxx11::basic_string, std::allocator > const&, double, int) /usr/include/c++/9/bits/basic_string.h:222:26 std::__cxx11::basic_string, std::allocator >::_M_dispose() /usr/include/c++/9/bits/basic_string.h:231:6 std::__cxx11::basic_string, std::allocator >::~basic_string() /usr/include/c++/9/bits/basic_string.h:658:9 amrex::AmrLevel::derive(std::__cxx11::basic_string, std::allocator > const&, double, int) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1779:74 3: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x4690e) [0x55ec9471290e] Castro::derive(std::__cxx11::basic_string, std::allocator > const&, double, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3255:5 4: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0xa1510) [0x55ec9476d510] std::__uniq_ptr_impl >::_M_ptr() const inlined at /usr/include/c++/9/bits/unique_ptr.h:361:28 in Castro::flame_speed_properties(double, double&) /usr/include/c++/9/bits/unique_ptr.h:154:58 std::unique_ptr >::get() const /usr/include/c++/9/bits/unique_ptr.h:361:28 std::unique_ptr >::operator*() const /usr/include/c++/9/bits/unique_ptr.h:346:2 Castro::flame_speed_properties(double, double&) /raid/testing/castro-gfortran/Castro/Exec/science/flame/Prob.cpp:73:22 5: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x70415) [0x55ec9473c415] Castro::sum_integrated_quantities() /raid/testing/castro-gfortran/Castro/Exec/science/flame/sum_integrated_quantities.cpp:62:38 6: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x36daf) [0x55ec94702daf] Castro::post_init(double) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:2222:9 7: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x1e4455) [0x55ec948b0455] amrex::Amr::FinalizeInit(double, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1354:25 8: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x1eb2ab) [0x55ec948b72ab] amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector > const*) inlined at /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1147:20 in amrex::Amr::init(double, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1266:5 amrex::Amr::init(double, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1147:20 9: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x29db0) [0x55ec946f5db0] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:33 10: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f60860631a3] __libc_start_main ??:0 11: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x3538e) [0x55ec9470138e] _start ??:0 ===== TinyProfilers ====== main() Amr::init() Amr::initialInit() Amr::FinalizeInit() Castro::post_init() Castro::flame_speed_properties() Castro::derive()