=== 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.DEBUG.TPROF.MPI.ex() [0xc662fa]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:175:29

 1: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0xc65e2e]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0xaec690]
    amrex::ParallelDescriptor::Abort(int, bool)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_ParallelDescriptor.cpp:206:29

 3: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0xa7c156]
    amrex::Assert_host(char const*, char const*, int, char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:279:1

 4: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0xe1780a]
    amrex::Assert(char const*, char const*, int, char const*) inlined at /raid/testing/castro-gfortran/amrex//Src/LinearSolvers/MLMG/AMReX_MLLinOp.cpp:930:5 in amrex::MLLinOp::AnyMakeAlias(amrex::Any const&) const
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:185:5
amrex::MLLinOp::AnyMakeAlias(amrex::Any const&) const
/raid/testing/castro-gfortran/amrex//Src/LinearSolvers/MLMG/AMReX_MLLinOp.cpp:930:5

 5: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0xe00fcf]
    amrex::MLMG::compResidual(amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, amrex::Vector<amrex::MultiFab const*, std::allocator<amrex::MultiFab const*> > const&)
/raid/testing/castro-gfortran/amrex//Src/LinearSolvers/MLMG/AMReX_MLMG.cpp:1155:21

 6: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x6a4506]
    Gravity::actual_solve_with_mlmg(int, int, amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, amrex::Vector<amrex::MultiFab const*, std::allocator<amrex::MultiFab const*> > const&, amrex::Vector<std::array<amrex::MultiFab*, 2ul>, std::allocator<std::array<amrex::MultiFab*, 2ul> > > const&, amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, amrex::MultiFab const*, double, double)
/raid/testing/castro-gfortran/Castro//Source/gravity/Gravity.cpp:3734:12

 7: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x6a395c]
    Gravity::solve_phi_with_mlmg(int, int, amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, amrex::Vector<amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> >, std::allocator<amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > > > const&, amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, double)
/raid/testing/castro-gfortran/Castro//Source/gravity/Gravity.cpp:3632:34

 8: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x694fe5]
    Gravity::test_composite_phi(int)
/raid/testing/castro-gfortran/Castro//Source/gravity/Gravity.cpp:1266:24

 9: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x42277a]
    Castro::post_init(double)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:2303:17

10: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0xd77e57]
    amrex::Amr::FinalizeInit(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1356:5

11: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0xd77906]
    amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1276:1

12: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0xd77772]
    amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1144:13

13: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x4a264a]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:151:33

14: /lib64/libc.so.6(+0x40440) [0x7fbbb7440440]
    __libc_start_call_main
/usr/src/debug/glibc-2.34-38.fc35.x86_64/csu/../sysdeps/nptl/libc_start_call_main.h:58:16

15: /lib64/libc.so.6(__libc_start_main+0x80) [0x7fbbb74404f0]
    call_init inlined at /usr/src/debug/glibc-2.34-38.fc35.x86_64/csu/../csu/libc-start.c:376:5 in __libc_start_main@@GLIBC_2.34
/usr/src/debug/glibc-2.34-38.fc35.x86_64/csu/../csu/libc-start.c:128:20
__libc_start_main_impl
/usr/src/debug/glibc-2.34-38.fc35.x86_64/csu/../csu/libc-start.c:376:5

16: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex() [0x40a7b5]
    _start at ??:?


===== TinyProfilers ======
main()
Amr::init()
Amr::initialInit()
Amr::FinalizeInit()
Castro::post_init()
Gravity::test_composite_phi()
Gravity::solve_phi_with_mlmg()
Gravity::actual_solve_with_mlmg()
MLMG::compResidual()