=== 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.ex(+0x1f3d20) [0x55e9f139dd20]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:174:39

 1: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x1f5b80) [0x55e9f139fb80]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: /lib64/libc.so.6(+0x3c6b0) [0x7fadbcd796b0]
    __restore_rt
??:0

 3: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x7c607) [0x55e9f1226607]
    MC(double) inlined at /raid/testing/castro-gfortran/Castro//Source/radiation/RadHydro.H:172:65 in Castro::ctu_rad_consup(amrex::Box const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, int&, amrex::Array4<double const> const&, double)
/raid/testing/castro-gfortran/Castro//Source/radiation/RadHydro.H:49:59
dudt(double*, double*, double const*, int, double*)
/raid/testing/castro-gfortran/Castro//Source/radiation/RadHydro.H:172:65
update_one_species(int, double*, double*, double const*, double, int&)
/raid/testing/castro-gfortran/Castro//Source/radiation/RadHydro.H:276:11
operator()
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_rad.cpp:323:27
call_f<amrex::ReduceData<double>, Castro::ctu_rad_consup(const amrex::Box&, const amrex::Array4<double>&, const amrex::Array4<double const>&, const amrex::Array4<double>&, const amrex::Array4<double>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, int&, const amrex::Array4<double const>&, amrex::Real)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Reduce.H:693:24
eval<amrex::ReduceData<double>, Castro::ctu_rad_consup(const amrex::Box&, const amrex::Array4<double>&, const amrex::Array4<double const>&, const amrex::Array4<double>&, const amrex::Array4<double>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, int&, const amrex::Array4<double const>&, amrex::Real)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Reduce.H:714:24
Castro::ctu_rad_consup(amrex::Box const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, int&, amrex::Array4<double const> const&, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_rad.cpp:185:19

 4: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x6cbc5) [0x55e9f1216bc5]
    Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:1298:17

 5: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x4d050) [0x55e9f11f7050]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:182:36

 6: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x4d6d8) [0x55e9f11f76d8]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:618:90 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:148:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:618:90

 7: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x449f9) [0x55e9f11ee9f9]
    double const& std::min<double>(double const&, double const&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92 in Castro::advance(double, double, int, int)
/usr/include/c++/9/bits/stl_algobase.h:204:9
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92

 8: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x24e4b6) [0x55e9f13f84b6]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1977:44

 9: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x24180a) [0x55e9f13eb80a]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:34:54 in amrex::Amr::coarseTimeStep(double)
/usr/include/c++/9/bits/stl_vector.h:1042:2
amrex::Vector<double, std::allocator<double> >::operator[](unsigned long)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:34:54
amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2087:26

10: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x2527c) [0x55e9f11cf27c]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

11: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fadbcd641a3]
    __libc_start_main
??:0

12: ./Castro1d.gnu.TEST.TPROF.MPI.ex(+0x2d8ae) [0x55e9f11d78ae]
    _start
??:0


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