=== 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() [0x6ce426]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_BLBackTrace.cpp:174

 1: ./Castro3d.pgi.TPROF.CUDA.ex() [0x6cfff2]
    amrex::BLBackTrace::handler(int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_BLBackTrace.cpp:80

 2: ./Castro3d.pgi.TPROF.CUDA.ex() [0x6084b8]
    amrex::Gpu::Device::synchronize()
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_GpuDevice.cpp:586

 3: ./Castro3d.pgi.TPROF.CUDA.ex() [0x68cf15]
    amrex::Gpu::synchronize() inlined at tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_MFIter.cpp:209 in amrex::MFIter::~MFIter()
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_GpuDevice.H:190
amrex::MFIter::~MFIter()
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_MFIter.cpp:209

 4: ./Castro3d.pgi.TPROF.CUDA.ex() [0x43a0b5]
    std::unique_ptr<amrex::MultiFab, std::default_delete<amrex::MultiFab> >::~unique_ptr() inlined at tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro.cpp:3277 in Castro::apply_tagging_func(amrex::TagBoxArray&, double, int)
/opt/gcc/gcc/7.3/include/c++/7.3.0/bits/unique_ptr.h:267
Castro::apply_tagging_func(amrex::TagBoxArray&, double, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro.cpp:3277

 5: ./Castro3d.pgi.TPROF.CUDA.ex() [0x43a773]
    Castro::errorEst(amrex::TagBoxArray&, int, int, double, int, int)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/Castro.cpp:3185

 6: ./Castro3d.pgi.TPROF.CUDA.ex() [0x73125c]
    amrex::AmrMesh::MakeNewGrids(int, double, int&, amrex::Vector<amrex::BoxArray, std::allocator<amrex::BoxArray> >&)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_AmrMesh.cpp:574

 7: ./Castro3d.pgi.TPROF.CUDA.ex() [0x73f04e]
    amrex::Amr::grid_places(int, double, int&, amrex::Vector<amrex::BoxArray, std::allocator<amrex::BoxArray> >&)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:3219

 8: ./Castro3d.pgi.TPROF.CUDA.ex() [0x7401c1]
    amrex::Amr::bldFineLevels(double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:3268

 9: ./Castro3d.pgi.TPROF.CUDA.ex() [0x7409f6]
    amrex::Amr::FinalizeInit(double, double)
tmp_build_dir/s/3d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:1328

10: ./Castro3d.pgi.TPROF.CUDA.ex() [0x7431da]
    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

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

12: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f9c63fb61a3]
    __libc_start_main
??:0

13: ./Castro3d.pgi.TPROF.CUDA.ex() [0x41b28e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::init()
Amr::initialInit()
Amr::FinalizeInit()
Amr::bldFineLevels()
Amr::grid_places()
AmrMesh::MakeNewGrids()
Castro::errorEst()
Castro::apply_tagging_func()