=== 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() [0x6d8666]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:35

 1: ./Castro3d.gnu.TPROF.CUDA.ex() [0x6da7dd]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:7

 2: ./Castro3d.gnu.TPROF.CUDA.ex() [0x475b08]
    Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gpu/Castro//Source/driver/Castro_advance_ctu.cpp:586:10

 3: ./Castro3d.gnu.TPROF.CUDA.ex() [0x4722aa]
    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

 4: ./Castro3d.gnu.TPROF.CUDA.ex() [0x75f869]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gpu/amrex//Src/Base/AMReX_Vector.H:36:54 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:36:54
amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:1990:71

 5: ./Castro3d.gnu.TPROF.CUDA.ex() [0x7534c9]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:2097:11

 6: ./Castro3d.gnu.TPROF.CUDA.ex() [0x42a78d]
    main
/raid/testing/castro-gpu/Castro//Source/driver/main.cpp:134:29

 7: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f2426fa41e2]
    __libc_start_main
??:0

 8: ./Castro3d.gnu.TPROF.CUDA.ex() [0x433d3e]
    _start
??:0


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