=== 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() [0x5d49b6]
    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() [0x5d6b2d]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x66a24a]
    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:569:32

 3: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x66ad62]
    amrex::StateDataPhysBCFunct::operator()(amrex::MultiFab&, int, int, amrex::IntVect const&, double, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:911:44

 4: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x6645f1]
    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:56:5

 5: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x65809e]
    std::vector<double, std::allocator<double> >::~vector() inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:25:7 in amrex::FillPatchIterator::FillFromLevel0(double, int, int, int, int)
/usr/include/c++/10/bits/stl_vector.h:680:15
amrex::Vector<double, std::allocator<double> >::~Vector()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:25:7
amrex::FillPatchIterator::FillFromLevel0(double, int, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1100:18

 6: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x658fb2]
    amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1012:27

 7: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x659f91]
    amrex::AmrLevel::FillPatch(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:2214:19

 8: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x442c76]
    Castro::initialize_do_advance(double)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:175:16

 9: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x443fd6]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:60:5

10: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x444afd]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:645:90 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:645:90

11: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x44355a]
    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:236:9
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92

12: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x649f89]
    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:2018:68

13: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x6405e0]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2125:13

14: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x4211ad]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:136:33

15: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f92752b31e2]
    __libc_start_main
??:0

16: ./Castro3d.gnu.TEST.TPROF.MPI.ex() [0x42799e]
    _start
??:0


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