=== 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: ./Castro2d.pgi.TPROF.CUDA.ex() [0x60cdd6]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/AMReX_BLBackTrace.cpp:167

 1: ./Castro2d.pgi.TPROF.CUDA.ex() [0x60f542]
    amrex::BLBackTrace::handler(int)
tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/AMReX_BLBackTrace.cpp:71

 2: ./Castro2d.pgi.TPROF.CUDA.ex() [0x443abf]
    amrex::Abort(char const*) inlined at tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/Castro_advance_ctu.cpp:515 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gpu/AMReX//Src/Base/AMReX.H:123
Castro::subcycle_advance_ctu(double, double, int, int)
tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/Castro_advance_ctu.cpp:515

 3: ./Castro2d.pgi.TPROF.CUDA.ex() [0x43d999]
    Castro::advance(double, double, int, int)
tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/Castro_advance.cpp:55

 4: ./Castro2d.pgi.TPROF.CUDA.ex() [0x67b0ca]
    amrex::Amr::timeStep(int, double, int, int, double)
tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2112

 5: ./Castro2d.pgi.TPROF.CUDA.ex() [0x67b1cc]
    amrex::Amr::timeStep(int, double, int, int, double)
tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2173

 6: ./Castro2d.pgi.TPROF.CUDA.ex() [0x67b1cc]
    amrex::Amr::timeStep(int, double, int, int, double)
tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2173

 7: ./Castro2d.pgi.TPROF.CUDA.ex() [0x67b1cc]
    amrex::Amr::timeStep(int, double, int, int, double)
tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2173

 8: ./Castro2d.pgi.TPROF.CUDA.ex() [0x66eef3]
    amrex::Amr::coarseTimeStep(double)
tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/AMReX_Amr.cpp:2439

 9: ./Castro2d.pgi.TPROF.CUDA.ex() [0x40cc3a]
    main
tmp_build_dir/s/2d.pgi.TPROF.CUDA.EXE/main.cpp:143

10: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fac545ab1a3]
    __libc_start_main
??:0

11: ./Castro2d.pgi.TPROF.CUDA.ex() [0x414cfe]
    _start
??:0


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