=== 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.OMP.ex(+0x1926e0) [0x55571e8666e0]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:174:39

 1: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x194c66) [0x55571e868c66]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x91827) [0x55571e765827]
    amrex::Error(char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:211:1

 3: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x8a7f3) [0x55571e75e7f3]
    ca_statefill(amrex::Box const&, amrex::FArrayBox&, int, int, amrex::Geometry const&, double, amrex::Vector<amrex::BCRec, std::allocator<amrex::BCRec> > const&, int, int)
/raid/testing/castro-gfortran/Castro//Source/problems/Castro_bc_fill_nd.cpp:83:19

 4: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x21f7c1) [0x55571e8f37c1]
    amrex::StateData::FillBoundary(amrex::Box const&, amrex::FArrayBox&, double, amrex::Geometry const&, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:556:22

 5: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x221d08) [0x55571e8f5d08]
    amrex::StateDataPhysBCFunct::operator()(amrex::MultiFab&, int, int, amrex::IntVect const&, double, int) [clone ._omp_fn.0]
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:909:44

 6: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7f74f942e4c6]
    GOMP_parallel
??:0

 7: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x21fc9f) [0x55571e8f3c9f]
    amrex::StateDataPhysBCFunct::operator()(amrex::MultiFab&, int, int, amrex::IntVect const&, double, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:870:5

 8: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x21acf3) [0x55571e8eecf3]
    std::enable_if<amrex::IsFabArray<amrex::MultiFab, void>::value, void>::type amrex::FillPatchSingleLevel<amrex::MultiFab, amrex::StateDataPhysBCFunct>(amrex::MultiFab&, amrex::IntVect const&, double, amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, amrex::Vector<double, std::allocator<double> > const&, int, int, int, amrex::Geometry const&, amrex::StateDataPhysBCFunct&, int)
/raid/testing/castro-gfortran/amrex//Src/AmrCore/AMReX_FillPatchUtil_I.H:53:5

 9: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x20ff06) [0x55571e8e3f06]
    std::vector<double, std::allocator<double> >::~vector() inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:22:7 in amrex::FillPatchIterator::FillFromLevel0(double, int, int, int, int)
/usr/include/c++/9/bits/stl_vector.h:677:15
amrex::Vector<double, std::allocator<double> >::~Vector()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:22:7
amrex::FillPatchIterator::FillFromLevel0(double, int, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1098:18

10: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x210e94) [0x55571e8e4e94]
    amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1010:20

11: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x211717) [0x55571e8e5717]
    amrex::AmrLevel::FillPatch(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:2211:19

12: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2ab17) [0x55571e6feb17]
    Castro::expand_state(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4282:22

13: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x404af) [0x55571e7144af]
    Castro::initialize_do_advance(double)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:184:19

14: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x421f7) [0x55571e7161f7]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:55:29

15: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x42d0b) [0x55571e716d0b]
    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:151:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:618:90

16: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x41269) [0x55571e715269]
    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

17: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x1fef36) [0x55571e8d2f36]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1977:44

18: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x1f127a) [0x55571e8c527a]
    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

19: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x206fc) [0x55571e6f46fc]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

20: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f74f923c1a3]
    __libc_start_main
??:0

21: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2751e) [0x55571e6fb51e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::coarseTimeStep()
Amr::timeStep()
Castro::advance()
Castro::subcycle_advance_ctu()
Castro::do_advance_ctu()
Castro::initialize_do_advance()
Castro::expand_state()
FillPatchIterator::Initialize
FillPatchSingleLevel
StateDataPhysBCFunct::()
StateData::FillBoundary(geom)