=== 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.gnu.TEST.TPROF.MPI.OMP.ex(+0x1daab0) [0x5637db33cab0]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:174:39

 1: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x1dd016) [0x5637db33f016]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: /lib64/libc.so.6(+0x3c6b0) [0x7fcf7f34b6b0]
    __restore_rt
??:0

 3: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x8df58) [0x5637db1eff58]
    operator() inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:68:10 in Castro::ctoprim(amrex::Box const&, double, amrex::Array4<double const> const&, amrex::Array4<double> const&, amrex::Array4<double> const&)
/raid/testing/castro-gfortran/Castro//Source/hydro/advection_util.cpp:60:5
ParallelFor<Castro::ctoprim(const amrex::Box&, amrex::Real, const amrex::Array4<double const>&, const amrex::Array4<double>&, const amrex::Array4<double>&)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:68:10
Castro::ctoprim(amrex::Box const&, double, amrex::Array4<double const> const&, amrex::Array4<double> const&, amrex::Array4<double> const&)
/raid/testing/castro-gfortran/Castro//Source/hydro/advection_util.cpp:55:21

 4: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x8360e) [0x5637db1e560e]
    Castro::construct_ctu_hydro_source(double, double) [clone ._omp_fn.0]
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:208:61

 5: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7fcf7f5284c6]
    GOMP_parallel
??:0

 6: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x82660) [0x5637db1e4660]
    Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:1476:50

 7: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x5df0b) [0x5637db1bff0b]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:182:36

 8: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x5eb8b) [0x5637db1c0b8b]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:655:90 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:150:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:655:90

 9: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x5ca1a) [0x5637db1bea1a]
    double const& std::min<double>(double const&, double const&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92 in Castro::advance(double, double, int, int)
/usr/include/c++/9/bits/stl_algobase.h:205:14
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92

10: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x247306) [0x5637db3a9306]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1973:44

11: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x23964a) [0x5637db39b64a]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:34:54 in amrex::Amr::coarseTimeStep(double)
/usr/include/c++/9/bits/stl_vector.h:1042:2
amrex::Vector<double, std::allocator<double> >::operator[](unsigned long)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:34:54
amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2083:26

12: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x27d0c) [0x5637db189d0c]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

13: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fcf7f3361a3]
    __libc_start_main
??:0

14: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x313de) [0x5637db1933de]
    _start
??:0


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