=== 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: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x5fe5a6]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39

 1: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x60071d]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x43aee4]
    amrex::Error(char const*) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:476:25 in Castro::read_params()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:123:5
Castro::read_params()
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:476:25

 3: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x46812c]
    Castro::variableSetUp()
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_setup.cpp:209:53

 4: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x657a6c]
    amrex::Amr::InitAmr()
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:239:28

 5: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x659ae8]
    amrex::Amr::Amr(amrex::LevelBld*)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:212:1

 6: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x427d53]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:120:17

 7: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7fad60d661e2]
    __libc_start_main
??:0

 8: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x4318be]
    _start
??:0


===== TinyProfilers ======
main()
Amr::InitAmr()