=== 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.ex() [0x6182f6]
    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.ex() [0x61a46d]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: /lib64/libc.so.6(+0x3da60) [0x7fdd9d781a60]
    __restore_rt
??:0

 3: ./Castro2d.gnu.TEST.TPROF.MPI.ex() [0x4d3e30]
    operator() inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:29:10 in Castro::riemanncg(amrex::Box const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double> const&, int)
/raid/testing/castro-gfortran/Castro//Source/hydro/riemann_solvers.cpp:214:25
call_f<Castro::riemanncg(const amrex::Box&, const amrex::Array4<double>&, const amrex::Array4<double>&, const amrex::Array4<double const>&, const amrex::Array4<double>&, int)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:29:10
ParallelFor<Castro::riemanncg(const amrex::Box&, const amrex::Array4<double>&, const amrex::Array4<double>&, const amrex::Array4<double const>&, const amrex::Array4<double>&, int)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:119:23
Castro::riemanncg(amrex::Box const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double> const&, int)
/raid/testing/castro-gfortran/Castro//Source/hydro/riemann_solvers.cpp:78:21

 4: ./Castro2d.gnu.TEST.TPROF.MPI.ex() [0x4d0471]
    amrex::Array4<double const>::Array4<double const, 0>(amrex::Array4<double> const&) inlined at /raid/testing/castro-gfortran/Castro//Source/hydro/riemann.cpp:54:27 in Castro::cmpflx_plus_godunov(amrex::Box const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Array4.H:37:30
Castro::cmpflx_plus_godunov(amrex::Box const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, amrex::Array4<double const> const&, int)
/raid/testing/castro-gfortran/Castro//Source/hydro/riemann.cpp:54:27

 5: ./Castro2d.gnu.TEST.TPROF.MPI.ex() [0x4c0d32]
    amrex::grow(amrex::Box const&, amrex::IntVect const&) inlined at /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:600:70 in Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Box.H:1145:9
Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:600:70

 6: ./Castro2d.gnu.TEST.TPROF.MPI.ex() [0x46b67d]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:182:36

 7: ./Castro2d.gnu.TEST.TPROF.MPI.ex() [0x46c125]
    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

 8: ./Castro2d.gnu.TEST.TPROF.MPI.ex() [0x46a8ba]
    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

 9: ./Castro2d.gnu.TEST.TPROF.MPI.ex() [0x67db59]
    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

10: ./Castro2d.gnu.TEST.TPROF.MPI.ex() [0x673e80]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2126:13

11: ./Castro2d.gnu.TEST.TPROF.MPI.ex() [0x429a3d]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:136:33

12: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7fdd9d76c1e2]
    __libc_start_main
??:0

13: ./Castro2d.gnu.TEST.TPROF.MPI.ex() [0x43bafe]
    _start
??:0


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