=== 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.SMPLSDC.ex(+0x21ad70) [0x557433b0ed70]
    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.SMPLSDC.ex(+0x21cbb0) [0x557433b10bb0]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x127f7d) [0x557433a1bf7d]
    amrex::Assert_host(char const*, char const*, int, char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:296:1

 3: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x1ef9b7) [0x557433ae39b7]
    amrex::Assert(char const*, char const*, int, char const*) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:258:9 in amrex::MFIter::MFIter(amrex::FabArrayBase const&, unsigned char)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:189:20
amrex::MFIter::Initialize()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:258:9
amrex::MFIter::MFIter(amrex::FabArrayBase const&, unsigned char)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:27:15

 4: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x2a047f) [0x557433b9447f]
    amrex::MFIter::fabbox() const inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:1498:36 in void amrex::FabArray<amrex::FArrayBox>::setDomainBndry<amrex::FArrayBox, 0>(double, int, int, amrex::Geometry const&)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.H:147:85
void amrex::FabArray<amrex::FArrayBox>::setDomainBndry<amrex::FArrayBox, 0>(double, int, int, amrex::Geometry const&)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:1498:36

 5: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x295ae8) [0x557433b89ae8]
    amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1000:32

 6: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x2968e7) [0x557433b8a8e7]
    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

 7: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x296b32) [0x557433b8ab32]
    amrex::AmrLevel::derive(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, double, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1636:18

 8: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x4284e) [0x55743393684e]
    Castro::derive(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3678:5

 9: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x67a47) [0x55743395ba47]
    Castro::volWgtSum(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, double, bool, bool)
/raid/testing/castro-gfortran/Castro//Source/driver/sum_utils.cpp:25:17

10: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x6998d) [0x55743395d98d]
    Castro::sum_integrated_quantities()
/raid/testing/castro-gfortran/Castro//Source/driver/sum_integrated_quantities.cpp:45:16

11: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x302da) [0x5574339242da]
    Castro::post_init(double)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:2471:36

12: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x27d57b) [0x557433b7157b]
    amrex::Amr::FinalizeInit(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1323:25

13: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x281ec2) [0x557433b75ec2]
    amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*) inlined at /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1116:20 in amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1235:5
amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1116:20

14: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x22cb0) [0x557433916cb0]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:33

15: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f8fd325d1a3]
    __libc_start_main
??:0

16: ./Castro2d.gnu.TEST.TPROF.MPI.SMPLSDC.ex(+0x2f9de) [0x5574339239de]
    _start
??:0


===== TinyProfilers ======
main()
Amr::init()
Amr::initialInit()
Amr::FinalizeInit()
Castro::post_init()
Castro::volWgtSum()
Castro::derive()
FillPatchIterator::Initialize