=== 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() [0x79e636]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_BLBackTrace.cpp:167

 1: ./Castro3d.pgi.TPROF.CUDA.ex() [0x7a0da2]
    amrex::BLBackTrace::handler(int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_BLBackTrace.cpp:71

 2: ./Castro3d.pgi.TPROF.CUDA.ex() [0x4492d8]
    amrex::Gpu::synchronize()
/raid/testing/castro-gpu/AMReX//Src/Base/AMReX_GpuDevice.H:148

 3: ./Castro3d.pgi.TPROF.CUDA.ex() [0x76e665]
    amrex::MFIter::~MFIter()
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_MFIter.cpp:200

 4: ./Castro3d.pgi.TPROF.CUDA.ex() [0x7341fa]
    void amrex::Add<amrex::FArrayBox, void>(amrex::FabArray<amrex::FArrayBox>&, amrex::FabArray<amrex::FArrayBox> const&, int, int, int, amrex::IntVect const&)
/raid/testing/castro-gpu/AMReX//Src/Base/AMReX_FabArrayUtility.H:1337

 5: ./Castro3d.pgi.TPROF.CUDA.ex() [0x7281bd]
    amrex::MultiFab::Add(amrex::MultiFab&, amrex::MultiFab const&, int, int, int, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_MultiFab.cpp:105

 6: ./Castro3d.pgi.TPROF.CUDA.ex() [0x81d719]
    amrex::FillPatchIterator::~FillPatchIterator() inlined at tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_AmrLevel.cpp:2202 in amrex::AmrLevel::FillPatchAdd(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_AmrLevel.cpp:1465
amrex::AmrLevel::FillPatchAdd(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_AmrLevel.cpp:2202

 7: ./Castro3d.pgi.TPROF.CUDA.ex() [0x474a12]
    Castro::do_advance_ctu(double, double, int, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro_advance_ctu.cpp:106

 8: ./Castro3d.pgi.TPROF.CUDA.ex() [0x47686e]
    Castro::subcycle_advance_ctu(double, double, int, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro_advance_ctu.cpp:556

 9: ./Castro3d.pgi.TPROF.CUDA.ex() [0x464b39]
    Castro::advance(double, double, int, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro_advance.cpp:55

10: ./Castro3d.pgi.TPROF.CUDA.ex() [0x8113e5]
    amrex::Amr::timeStep(int, double, int, int, double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2112

11: ./Castro3d.pgi.TPROF.CUDA.ex() [0x8114ec]
    amrex::Amr::timeStep(int, double, int, int, double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2173

12: ./Castro3d.pgi.TPROF.CUDA.ex() [0x8058a0]
    amrex::Amr::coarseTimeStep(double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2439

13: ./Castro3d.pgi.TPROF.CUDA.ex() [0x40c4ca]
    main
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/main.cpp:143

14: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fbb336041a3]
    __libc_start_main
??:0

15: ./Castro3d.pgi.TPROF.CUDA.ex() [0x4121ce]
    _start
??:0


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