=== 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() [0x7ac966]
    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() [0x7af0d2]
    amrex::BLBackTrace::handler(int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_BLBackTrace.cpp:71

 2: ./Castro3d.pgi.TPROF.CUDA.ex() [0x449768]
    amrex::Gpu::synchronize()
/raid/testing/castro-gpu/AMReX//Src/Base/AMReX_GpuDevice.H:148

 3: ./Castro3d.pgi.TPROF.CUDA.ex() [0x77c995]
    amrex::MFIter::~MFIter()
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_MFIter.cpp:200

 4: ./Castro3d.pgi.TPROF.CUDA.ex() [0x44b29b]
    void amrex::FabArray<amrex::FArrayBox>::setVal<amrex::FArrayBox, void>(double, int, int, amrex::IntVect const&)
/raid/testing/castro-gpu/AMReX//Src/Base/AMReX_FabArray.H:1644

 5: ./Castro3d.pgi.TPROF.CUDA.ex() [0x541656]
    amrex::CoordSys::CellSize() const inlined at tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro_ctu_hydro.cpp:29 in Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gpu/AMReX//Src/Base/AMReX_CoordSys.H:78
Castro::construct_ctu_hydro_source(double, double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro_ctu_hydro.cpp:29

 6: ./Castro3d.pgi.TPROF.CUDA.ex() [0x475638]
    Castro::do_advance_ctu(double, double, int, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro_advance_ctu.cpp:131

 7: ./Castro3d.pgi.TPROF.CUDA.ex() [0x4775be]
    Castro::subcycle_advance_ctu(double, double, int, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro_advance_ctu.cpp:558

 8: ./Castro3d.pgi.TPROF.CUDA.ex() [0x465449]
    Castro::advance(double, double, int, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro_advance.cpp:55

 9: ./Castro3d.pgi.TPROF.CUDA.ex() [0x81f705]
    amrex::Amr::timeStep(int, double, int, int, double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2112

10: ./Castro3d.pgi.TPROF.CUDA.ex() [0x81f80c]
    amrex::Amr::timeStep(int, double, int, int, double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2173

11: ./Castro3d.pgi.TPROF.CUDA.ex() [0x813bc0]
    amrex::Amr::coarseTimeStep(double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2439

12: ./Castro3d.pgi.TPROF.CUDA.ex() [0x40c4ca]
    main
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/main.cpp:152

13: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fb9790d21a3]
    __libc_start_main
??:0

14: ./Castro3d.pgi.TPROF.CUDA.ex() [0x41212e]
    _start
??:0


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