=== 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: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x92cea0]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:175:29

 1: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x92c9c2]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:8

 2: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x7a8e5a]
    amrex::ParallelDescriptor::Abort(int, bool)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_ParallelDescriptor.cpp:206:22

 3: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x75f2bc]
    amrex::Abort_host(char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:261:9

 4: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x6b3c66]
    amrex::Abort(char const*) inlined at /raid/testing/castro-gfortran/Castro//Source/sources/Castro_geom.cpp:11:17 in Castro::construct_old_geom_source(amrex::MultiFab&, amrex::MultiFab&, double, double)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:166:5
Castro::construct_old_geom_source(amrex::MultiFab&, amrex::MultiFab&, double, double)
/raid/testing/castro-gfortran/Castro//Source/sources/Castro_geom.cpp:11:17

 5: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x6aac71]
    Castro::construct_old_source(int, amrex::MultiFab&, amrex::MultiFab&, double, double)
/raid/testing/castro-gfortran/Castro//Source/sources/Castro_sources.cpp:324:9

 6: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x6aa37d]
    Castro::do_old_sources(amrex::MultiFab&, amrex::MultiFab&, amrex::MultiFab&, double, double, bool)
/raid/testing/castro-gfortran/Castro//Source/sources/Castro_sources.cpp:135:13

 7: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x47f7d3]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:155:10

 8: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x48107d]
    Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:655:90

 9: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x47d125]
    Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:55

10: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0xa2431c]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1987:44

11: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0xa24b2e]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2097:26

12: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x49baf3]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:134:5

13: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f1c699821e2]
    __libc_start_main
??:0

14: ./Castro3d.gnu.DEBUG.TPROF.MPI.OMP.ex() [0x40a7ce]
    _start
??:0


===== TinyProfilers ======
main()
Amr::coarseTimeStep()
Amr::timeStep()
Castro::advance()
Castro::subcycle_advance_ctu()
Castro::do_advance_ctu()
Castro::do_old_sources()
Castro::construct_old_source()