=== 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.TRUESDC.ex() [0x599816]
    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.TRUESDC.ex() [0x59b98d]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: /lib64/libc.so.6(+0x3da60) [0x7f9ca483aa60]
    __restore_rt
??:0

 3: /lib64/libstdc++.so.6(_ZSt29_Rb_tree_insert_and_rebalancebPSt18_Rb_tree_node_baseS0_RS_+0x9a) [0x7f9ca4c0f20a]
    std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)
??:0

 4: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x59f8c8]
    std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, amrex::TinyProfiler::Stats>, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, amrex::TinyProfiler::Stats> >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, amrex::TinyProfiler::Stats> > >::_M_insert_node(std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, amrex::TinyProfiler::Stats> >*) inlined at /usr/include/c++/10/bits/stl_tree.h:2468:29 in amrex::TinyProfiler::start()
/usr/include/c++/10/bits/stl_tree.h:2369:7
std::_Rb_tree_iterator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, amrex::TinyProfiler::Stats> > std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, amrex::TinyProfiler::Stats>, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, amrex::TinyProfiler::Stats> >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, amrex::TinyProfiler::Stats> > >::_M_emplace_hint_unique<std::piecewise_construct_t const&, std::tuple<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&>, std::tuple<> >(std::_Rb_tree_const_iterator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, amrex::TinyProfiler::Stats> >, std::piecewise_construct_t const&, std::tuple<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&>&&, std::tuple<>&&)
/usr/include/c++/10/bits/stl_tree.h:2468:29
std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, amrex::TinyProfiler::Stats, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, amrex::TinyProfiler::Stats> > >::operator[](std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/usr/include/c++/10/bits/stl_map.h:501:37
amrex::TinyProfiler::start()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_TinyProfiler.cpp:104:47

 5: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x4f9d95]
    std::__uniq_ptr_impl<amrex::PCData<amrex::FArrayBox>, std::default_delete<amrex::PCData<amrex::FArrayBox> > >::_M_ptr() const inlined at /usr/include/c++/10/bits/unique_ptr.h:422:27 in amrex::FabArray<amrex::FArrayBox>::ParallelCopy_finish()
/usr/include/c++/10/bits/unique_ptr.h:173:58
std::unique_ptr<amrex::PCData<amrex::FArrayBox>, std::default_delete<amrex::PCData<amrex::FArrayBox> > >::get() const
/usr/include/c++/10/bits/unique_ptr.h:422:27
std::unique_ptr<amrex::PCData<amrex::FArrayBox>, std::default_delete<amrex::PCData<amrex::FArrayBox> > >::operator bool() const
/usr/include/c++/10/bits/unique_ptr.h:436:19
amrex::FabArray<amrex::FArrayBox>::ParallelCopy_finish()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArrayCommI.H:478:9

 6: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x61986b]
    amrex::FabArray<amrex::FArrayBox>::ParallelCopy(amrex::FabArray<amrex::FArrayBox> const&, int, int, int, amrex::IntVect const&, amrex::IntVect const&, amrex::Periodicity const&, amrex::FabArrayBase::CpOp, amrex::FabArrayBase::CPC const*) inlined at /raid/testing/castro-gfortran/amrex//Src/AmrCore/AMReX_FillPatchUtil_I.H:69:28 in std::enable_if<amrex::IsFabArray<amrex::MultiFab, void>::value, void>::type amrex::FillPatchSingleLevel<amrex::MultiFab, amrex::StateDataPhysBCFunct>(amrex::MultiFab&, amrex::IntVect const&, double, amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, amrex::Vector<double, std::allocator<double> > const&, int, int, int, amrex::Geometry const&, amrex::StateDataPhysBCFunct&, int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArrayCommI.H:257:5
std::enable_if<amrex::IsFabArray<amrex::MultiFab, void>::value, void>::type amrex::FillPatchSingleLevel<amrex::MultiFab, amrex::StateDataPhysBCFunct>(amrex::MultiFab&, amrex::IntVect const&, double, amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, amrex::Vector<double, std::allocator<double> > const&, int, int, int, amrex::Geometry const&, amrex::StateDataPhysBCFunct&, int)
/raid/testing/castro-gfortran/amrex//Src/AmrCore/AMReX_FillPatchUtil_I.H:69:28

 7: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x60ca82]
    std::vector<double, std::allocator<double> >::~vector() inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:25:7 in amrex::FillPatchIterator::FillFromLevel0(double, int, int, int, int)
/usr/include/c++/10/bits/stl_vector.h:680:15
amrex::Vector<double, std::allocator<double> >::~Vector()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:25:7
amrex::FillPatchIterator::FillFromLevel0(double, int, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1100:18

 8: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x60d8d2]
    amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1012:27

 9: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x60e751]
    amrex::AmrLevel::FillPatch(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:2214:19

10: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x42b170]
    Castro::expand_state(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4594:22

11: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x44531e]
    Castro::do_advance_sdc(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:87:11

12: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x4412a2]
    Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:62:42

13: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x5ff849]
    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

14: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x5f5b70]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2125:13

15: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x42135d]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:136:33

16: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f9ca48251e2]
    __libc_start_main
??:0

17: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex() [0x427b4e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::coarseTimeStep()
Amr::timeStep()
Castro::advance()
Castro::do_advance_sdc()
Castro::expand_state()
FillPatchIterator::Initialize
FillPatchSingleLevel
FabArray::ParallelCopy()
FabArray::ParallelCopy_finish()