=== 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() [0x5cbe16] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39 1: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x5cdf8d] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15 2: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x432d4e] double const& amrex::min(double const&, double const&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3040:112 in Castro::normalize_species(amrex::MultiFab&, int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Algorithm.H:21:19 operator() /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3040:112 call_f > /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:29:10 ParallelFor > /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:119:23 Castro::normalize_species(amrex::MultiFab&, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3023:27 3: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x43e2df] Castro::clean_state(amrex::MultiFab&, double, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4604:16 4: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x454675] Castro::do_advance_sdc(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:63:19 5: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x450042] Castro::advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:62:42 6: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x61da79] std::vector >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:36:59 in amrex::Amr::timeStep(int, double, int, int, double) /usr/include/c++/10/bits/stl_vector.h:1046:39 amrex::Vector >::operator[](unsigned long) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:36:59 amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2004:68 7: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x615560] amrex::Amr::coarseTimeStep(double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2111:13 8: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x423405] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:134:33 9: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f05db8901e2] __libc_start_main ??:0 10: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x431dfe] _start ??:0 ===== TinyProfilers ====== main() Amr::coarseTimeStep() Amr::timeStep() Castro::advance() Castro::do_advance_sdc() Castro::clean_state() Castro::normalize_species()