=== 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: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x5e62d6]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39

 1: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x5e844d]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x4ed1bc]
    sdc_vode_solve(double, amrex::GpuArray<double, 26ul> const&, amrex::GpuArray<double, 26ul>&, amrex::GpuArray<double, 26ul> const&, int)
/raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc_util.H:612:28

 3: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x4d8e06]
    sdc_solve(double, amrex::GpuArray<double, 26ul> const&, amrex::GpuArray<double, 26ul>&, amrex::GpuArray<double, 26ul> const&, int) inlined at /raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc_util.H:692:14 in Castro::do_sdc_update(int, int, double)
/raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc_util.H:652:23
sdc_solve(int, int, int, double, amrex::Array4<double const> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, int)
/raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc_util.H:692:14
sdc_update_centers_o4(int, int, int, amrex::Array4<double const> const&, amrex::Array4<double> const&, amrex::Array4<double const> const&, double, int)
/raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc_util.H:780:18
operator()
/raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc.cpp:245:38
call_f<Castro::do_sdc_update(int, int, amrex::Real)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:29:10
ParallelFor<Castro::do_sdc_update(int, int, amrex::Real)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:119:23
Castro::do_sdc_update(int, int, double)
/raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc.cpp:242:31

 4: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x45409c]
    std::__uniq_ptr_impl<amrex::MultiFab, std::default_delete<amrex::MultiFab> >::_M_ptr() const inlined at /usr/include/c++/10/bits/unique_ptr.h:422:27 in Castro::do_advance_sdc(double, double, int, int)
/usr/include/c++/10/bits/unique_ptr.h:173:58
std::unique_ptr<amrex::MultiFab, std::default_delete<amrex::MultiFab> >::get() const
/usr/include/c++/10/bits/unique_ptr.h:422:27
std::unique_ptr<amrex::MultiFab, std::default_delete<amrex::MultiFab> >::operator*() const
/usr/include/c++/10/bits/unique_ptr.h:408:13
Castro::do_advance_sdc(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:218:31

 5: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x44fc82]
    Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:62:42

 6: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x6388a9]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:37:59 in amrex::Amr::timeStep(int, double, int, int, double)
/usr/include/c++/10/bits/stl_vector.h:1046:39
amrex::Vector<double, std::allocator<double> >::operator[](unsigned long)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:37:59
amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2018:68

 7: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x630270]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2125:13

 8: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x423aed]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:136:33

 9: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f4f8bf8e1e2]
    __libc_start_main
??:0

10: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x431ffe]
    _start
??:0


===== TinyProfilers ======
main()
Amr::coarseTimeStep()
Amr::timeStep()
Castro::advance()
Castro::do_advance_sdc()
Castro::do_sdc_update()