=== 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.TEST.TPROF.MPI.ex() [0x5ee046]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39

 1: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x5f01bd]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: /lib64/libc.so.6(+0x3da60) [0x7f464b359a60]
    __restore_rt
??:0

 3: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x48f1fd]
    operator() inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:29:10 in Castro::src_to_prim(amrex::Box const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double> const&)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu.cpp:480:12
call_f<Castro::src_to_prim(const amrex::Box&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, const amrex::Array4<double>&)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:29:10
ParallelFor<Castro::src_to_prim(const amrex::Box&, const amrex::Array4<double const>&, const amrex::Array4<double const>&, const amrex::Array4<double>&)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:119:23
Castro::src_to_prim(amrex::Box const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, amrex::Array4<double> const&)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu.cpp:453:21

 4: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x483cf3]
    Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:335:17

 5: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x45756f]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:182:36

 6: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x457ebd]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:655:90 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:151:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:655:90

 7: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x4566da]
    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++/10/bits/stl_algobase.h:237:14
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92

 8: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x662e39]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:37:59 in amrex::Amr::timeStep(int, double, int, int, double)
/usr/include/c++/10/bits/stl_vector.h:1046:39
amrex::Vector<double, std::allocator<double> >::operator[](unsigned long)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:37:59
amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2019:68

 9: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x6594a0]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2126:13

10: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x426f4d]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:136:33

11: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f464b3441e2]
    __libc_start_main
??:0

12: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x42fa1e]
    _start
??:0


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