=== 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(+0x237650) [0x555ad8751650]
    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.ex(+0x239490) [0x555ad8753490]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x14c76d) [0x555ad866676d]
    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.ex(+0x20d467) [0x555ad8727467]
    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.ex(+0x2b8e7f) [0x555ad87d2e7f]
    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.ex(+0x2b2318) [0x555ad87cc318]
    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.ex(+0x2b3117) [0x555ad87cd117]
    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.ex(+0x3bd1b) [0x555ad8555d1b]
    Castro::initData()
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:1381:29

 8: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x293071) [0x555ad87ad071]
    amrex::Amr::defBaseLevel(double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2462:14

 9: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x29e734) [0x555ad87b8734]
    amrex::Amr::InitializeInit(double, double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*) inlined at /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1236:19 in amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1253:5
amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1236:19
amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1116:20

10: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x24e61) [0x555ad853ee61]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:33

11: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f60781961a3]
    __libc_start_main
??:0

12: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x2d4ee) [0x555ad85474ee]
    _start
??:0


===== TinyProfilers ======
main()
Amr::init()
Amr::initialInit()
Amr::InitializeInit()
Amr::defBaseLevel()
Castro::initData()
FillPatchIterator::Initialize