=== 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.TPROF.CUDA.ex() [0x75a606]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BLBackTrace.cpp:179

 1: ./Castro3d.gnu.TPROF.CUDA.ex() [0x75d2a9]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BLBackTrace.cpp:85

 2: ./Castro3d.gnu.TPROF.CUDA.ex() [0x657fe2]
    amrex::Arena::allocate_system(unsigned long)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_Arena.cpp:148

 3: ./Castro3d.gnu.TPROF.CUDA.ex() [0x65dffd]
    amrex::CArena::alloc(unsigned long)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_CArena.cpp:63

 4: ./Castro3d.gnu.TPROF.CUDA.ex() [0x6a62a3]
    amrex::Box::length(int) const inlined at /raid/testing/castro-gpu/amrex//Src/Base/AMReX_Box.H:338 in amrex::FArrayBox::FArrayBox(amrex::Box const&, int, bool, bool, amrex::Arena*)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_Box.H:151
amrex::Box::numPts() const
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_Box.H:338
amrex::BaseFab<double>::define()
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BaseFab.H:1927
amrex::BaseFab<double>::BaseFab(amrex::Box const&, int, bool, bool, amrex::Arena*)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BaseFab.H:1950
amrex::FArrayBox::FArrayBox(amrex::Box const&, int, bool, bool, amrex::Arena*)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_FArrayBox.cpp:133

 5: ./Castro3d.gnu.TPROF.CUDA.ex() [0x653518]
    amrex::FArrayBox*& std::vector<amrex::FArrayBox*, std::allocator<amrex::FArrayBox*> >::emplace_back<amrex::FArrayBox*>(amrex::FArrayBox*&&) inlined at /opt/gcc/gcc/7.3/include/c++/7.3.0/bits/stl_vector.h:954 in amrex::FabArray<amrex::FArrayBox>::AllocFabs(amrex::FabFactory<amrex::FArrayBox> const&, amrex::Arena*, amrex::Vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)
/opt/gcc/gcc/7.3/include/c++/7.3.0/bits/vector.tcc:98
std::vector<amrex::FArrayBox*, std::allocator<amrex::FArrayBox*> >::push_back(amrex::FArrayBox*&&)
/opt/gcc/gcc/7.3/include/c++/7.3.0/bits/stl_vector.h:954
amrex::FabArray<amrex::FArrayBox>::AllocFabs(amrex::FabFactory<amrex::FArrayBox> const&, amrex::Arena*, amrex::Vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_FabArray.H:1506

 6: ./Castro3d.gnu.TPROF.CUDA.ex() [0x653a8f]
    amrex::FabArray<amrex::FArrayBox>::define(amrex::BoxArray const&, amrex::DistributionMapping const&, int, amrex::IntVect const&, amrex::MFInfo const&, amrex::FabFactory<amrex::FArrayBox> const&)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_FabArray.H:1483

 7: ./Castro3d.gnu.TPROF.CUDA.ex() [0x6b5761]
    amrex::MultiFab::define(amrex::BoxArray const&, amrex::DistributionMapping const&, int, amrex::IntVect const&, amrex::MFInfo const&, amrex::FabFactory<amrex::FArrayBox> const&) inlined at /raid/testing/castro-gpu/amrex//Src/Base/AMReX_MultiFab.cpp:589 in amrex::MultiFab::define(amrex::BoxArray const&, amrex::DistributionMapping const&, int, int, amrex::MFInfo const&, amrex::FabFactory<amrex::FArrayBox> const&)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_MultiFab.cpp:602
amrex::MultiFab::define(amrex::BoxArray const&, amrex::DistributionMapping const&, int, int, amrex::MFInfo const&, amrex::FabFactory<amrex::FArrayBox> const&)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_MultiFab.cpp:589

 8: ./Castro3d.gnu.TPROF.CUDA.ex() [0x7f7323]
    amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_AmrLevel.cpp:995

 9: ./Castro3d.gnu.TPROF.CUDA.ex() [0x7f7d30]
    amrex::AmrLevel::FillPatch(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_AmrLevel.cpp:2214

10: ./Castro3d.gnu.TPROF.CUDA.ex() [0x7f8114]
    amrex::AmrLevel::derive(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, double, int)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_AmrLevel.cpp:1663

11: ./Castro3d.gnu.TPROF.CUDA.ex() [0x43b0b2]
    Castro::derive(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, double, int)
/raid/testing/castro-gpu/Castro//Source/driver/Castro.cpp:3609

12: ./Castro3d.gnu.TPROF.CUDA.ex() [0x49464d]
    Castro::plotFileOutput(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::ostream&, amrex::VisMF::How, int)
/raid/testing/castro-gpu/Castro//Source/driver/Castro_io.cpp:1129

13: ./Castro3d.gnu.TPROF.CUDA.ex() [0x7e2974]
    amrex::Amr::writePlotFileDoit(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:995

14: ./Castro3d.gnu.TPROF.CUDA.ex() [0x7e307f]
    amrex::Amr::writePlotFile()
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:890

15: ./Castro3d.gnu.TPROF.CUDA.ex() [0x7e8e76]
    amrex::Amr::init(double, double)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:1151

16: ./Castro3d.gnu.TPROF.CUDA.ex() [0x40c3ee]
    main
/raid/testing/castro-gpu/Castro//Source/driver/main.cpp:139

17: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f4360cf41e2]
    __libc_start_main
??:0

18: ./Castro3d.gnu.TPROF.CUDA.ex() [0x41985e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::init()
Amr::writePlotFile()
Castro::derive()
FillPatchIterator::Initialize