=== 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.TPROF.CUDA.ex() [0x755486]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:35

 1: ./Castro2d.gnu.TPROF.CUDA.ex() [0x7575fd]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:7

 2: ./Castro2d.gnu.TPROF.CUDA.ex() [0x68dbb8]
    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_data() const inlined at /usr/include/c++/10/bits/basic_string.h:222:17 in amrex::Gpu::Device::synchronize()
/usr/include/c++/10/bits/basic_string.h:187:24
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_is_local() const
/usr/include/c++/10/bits/basic_string.h:222:17
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_dispose()
/usr/include/c++/10/bits/basic_string.h:231:17
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()
/usr/include/c++/10/bits/basic_string.h:658:13
amrex::Gpu::Device::synchronize()
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_GpuDevice.cpp:604:423

 3: ./Castro2d.gnu.TPROF.CUDA.ex() [0x7163f5]
    amrex::Gpu::synchronize() inlined at /raid/testing/castro-gpu/amrex//Src/Base/AMReX_MFIter.cpp:225:36 in amrex::MFIter::~MFIter()
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_GpuDevice.H:201:1
amrex::MFIter::~MFIter()
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_MFIter.cpp:225:36

 4: ./Castro2d.gnu.TPROF.CUDA.ex() [0x547b60]
    amrex::BaseFab<double>::~BaseFab() inlined at /raid/testing/castro-gpu/amrex//Src/Base/AMReX_FArrayBox.H:272:40 in Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BaseFab.H:2020:6
amrex::FArrayBox::~FArrayBox()
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_FArrayBox.H:272:40
Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gpu/Castro//Source/hydro/Castro_ctu_hydro.cpp:110:18

 5: ./Castro2d.gnu.TPROF.CUDA.ex() [0x4ac0de]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gpu/Castro//Source/driver/Castro_advance_ctu.cpp:182:36

 6: ./Castro2d.gnu.TPROF.CUDA.ex() [0x4ad286]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gpu/Castro//Source/driver/Castro_advance_ctu.cpp:655:87 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gpu/Castro//Source/driver/Castro.H:151:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gpu/Castro//Source/driver/Castro_advance_ctu.cpp:655:87

 7: ./Castro2d.gnu.TPROF.CUDA.ex() [0x4aaaba]
    double const& std::min<double>(double const&, double const&) inlined at /raid/testing/castro-gpu/Castro//Source/driver/Castro_advance.cpp:55:90 in Castro::advance(double, double, int, int)
/usr/include/c++/10/bits/stl_algobase.h:237:8
Castro::advance(double, double, int, int)
/raid/testing/castro-gpu/Castro//Source/driver/Castro_advance.cpp:55:90

 8: ./Castro2d.gnu.TPROF.CUDA.ex() [0x7cbb99]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gpu/amrex//Src/Base/AMReX_Vector.H:37:54 in amrex::Amr::timeStep(int, double, int, int, double)
/usr/include/c++/10/bits/stl_vector.h:1046:42
amrex::Vector<double, std::allocator<double> >::operator[](unsigned long)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_Vector.H:37:54
amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:2019:71

 9: ./Castro2d.gnu.TPROF.CUDA.ex() [0x7beb89]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:2126:11

10: ./Castro2d.gnu.TPROF.CUDA.ex() [0x430c45]
    main
/raid/testing/castro-gpu/Castro//Source/driver/main.cpp:136:29

11: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f47546f51e2]
    __libc_start_main
??:0

12: ./Castro2d.gnu.TPROF.CUDA.ex() [0x440d8e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::coarseTimeStep()
Amr::timeStep()
Castro::advance()
Castro::subcycle_advance_ctu()
Castro::do_advance_ctu()
Castro::construct_ctu_hydro_source()