=== 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.DEBUG.TPROF.MPI.ex() [0x88e8b2]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:175:29

 1: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x88e3e6]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: /lib64/libc.so.6(+0x3da70) [0x7f5f3722fa70]
    __restore_rt
??:0

 3: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x4d0849]
    void apply_radiation<eos_rep_t>(eos_rep_t&)
/raid/testing/castro-gfortran/Microphysics//EOS/helmholtz/actual_eos.H:627:10

 4: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x4d040e]
    void actual_eos<eos_input_t, eos_rep_t>(eos_input_t, eos_rep_t&)
/raid/testing/castro-gfortran/Microphysics//EOS/helmholtz/actual_eos.H:1347:19

 5: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x4d00ff]
    void eos<eos_input_t, eos_rep_t>(eos_input_t, eos_rep_t&, bool)
/raid/testing/castro-gfortran/Microphysics//interfaces/eos.H:437:1

 6: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x5fdcea]
    Castro::actual_trans_single(amrex::Box const&, int, int, int, amrex::Array4<double const> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, double, double)::{lambda(int, int, int)#1}::operator()(int, int, int) const
/raid/testing/castro-gfortran/Castro//Source/hydro/trans.cpp:300:45

 7: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x602ca7]
    call_f<Castro::actual_trans_single(const amrex::Box&, int, int, int, const amrex::Array4<double const>&, const amrex::Array4<double>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, amrex::Real, amrex::Real)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:30:5

 8: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x602926]
    ParallelFor<Castro::actual_trans_single(const amrex::Box&, int, int, int, const amrex::Array4<double const>&, const amrex::Array4<double>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, amrex::Real, amrex::Real)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:118:5

 9: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x5fe54a]
    Castro::actual_trans_single(amrex::Box const&, int, int, int, amrex::Array4<double const> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, double, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/trans.cpp:312:1

10: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x5fa7dd]
    Castro::trans_single(amrex::Box const&, int, int, amrex::Array4<double const> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, double, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/trans.cpp:36:24

11: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x5623b0]
    Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:619:19

12: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x478e84]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:168:39

13: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x47a40d]
    Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:649:90

14: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x476e91]
    Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:55

15: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x95128e]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2015:44

16: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x951aa0]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2125:26

17: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x496686]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:136:5

18: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f5f3721a1e2]
    __libc_start_main
??:0

19: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x40a85e]
    _start
??:0


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