=== 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.pgi.TPROF.CUDA.ex() [0x6e21a6]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_BLBackTrace.cpp:178

 1: ./Castro3d.pgi.TPROF.CUDA.ex() [0x6e4912]
    amrex::BLBackTrace::handler(int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_BLBackTrace.cpp:82

 2: ./Castro3d.pgi.TPROF.CUDA.ex() [0x61cce8]
    amrex::Gpu::Device::synchronize()
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_GpuDevice.cpp:586

 3: ./Castro3d.pgi.TPROF.CUDA.ex() [0x6a0fd5]
    amrex::Gpu::synchronize() inlined at tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_MFIter.cpp:216 in amrex::MFIter::~MFIter()
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_GpuDevice.H:188
amrex::MFIter::~MFIter()
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_MFIter.cpp:216

 4: ./Castro3d.pgi.TPROF.CUDA.ex() [0x5a2fd9]
    Castro::fill_rotation_field(amrex::MultiFab&, amrex::MultiFab&, amrex::MultiFab&, double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro_rotation.cpp:139

 5: ./Castro3d.pgi.TPROF.CUDA.ex() [0x430cd5]
    Castro::post_init(double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro.cpp:2355

 6: ./Castro3d.pgi.TPROF.CUDA.ex() [0x752c8a]
    amrex::Amr::FinalizeInit(double, double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:1350

 7: ./Castro3d.pgi.TPROF.CUDA.ex() [0x7554ba]
    amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*) inlined at tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:1143 in amrex::Amr::init(double, double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:1262
amrex::Amr::init(double, double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:1143

 8: ./Castro3d.pgi.TPROF.CUDA.ex() [0x40d6c9]
    main
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/main.cpp:131

 9: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f551b3831a3]
    __libc_start_main
??:0

10: ./Castro3d.pgi.TPROF.CUDA.ex() [0x41b25e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::init()
Amr::initialInit()
Amr::FinalizeInit()
Castro::post_init()
Castro::fill_rotation_field()