=== 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() [0x5e7e86]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39

 1: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x5eace2]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: /lib64/libc.so.6(+0x3da60) [0x7faa8c820a60]
    __restore_rt
??:0

 3: /lib64/libm.so.6(+0x1441c) [0x7faa8ca6c41c]
    __kernel_standard
??:0

 4: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x43c11f]
    Castro::computeTemp(amrex::MultiFab&, double, int) [clone ._omp_fn.0]
/raid/testing/castro-gfortran/Microphysics//EOS/helmholtz/actual_eos.H:573:37

 5: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7faa8c9fdd36]
    GOMP_parallel
??:0

 6: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x440f7f]
    Castro::computeTemp(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3954:12

 7: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x441096]
    Castro::clean_state(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4604:5

 8: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x45ef48]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:94:19

 9: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x45fb85]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:638:90 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:151:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:638:90

10: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x45e1ea]
    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++/10/bits/stl_algobase.h:237:14
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92

11: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x64f9c9]
    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

12: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x645cf0]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2125:13

13: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x42688d]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:136:33

14: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7faa8c80b1e2]
    __libc_start_main
??:0

15: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex() [0x42f72e]
    _start
??:0


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