=== 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.TPROF.CUDA.ex() [0x64bdd6]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:35

 1: ./Castro2d.gnu.TPROF.CUDA.ex() [0x64df4d]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:7

 2: /lib64/libc.so.6(+0x3da60) [0x7f04e2edca60]
    __restore_rt
??:0

 3: ./Castro2d.gnu.TPROF.CUDA.ex() [0x5643ab]
    amrex::BaseFab<double>::setVal<(amrex::RunOn)1>(double const&, amrex::Box const&, amrex::DestComp, amrex::NumComps)::{lambda(int, int, int, int)#1}::operator()(int, int, int, int) const inlined at /raid/testing/castro-gpu/amrex//Src/Base/AMReX_Loop.H:210:2 in void amrex::BaseFab<double>::setVal<(amrex::RunOn)1>(double const&, amrex::Box const&, amrex::DestComp, amrex::NumComps)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BaseFab.H:3567:123
void amrex::LoopConcurrentOnCpu<amrex::BaseFab<double>::setVal<(amrex::RunOn)1>(double const&, amrex::Box const&, amrex::DestComp, amrex::NumComps)::{lambda(int, int, int, int)#1}>(amrex::Box const&, int, amrex::BaseFab<double>::setVal<(amrex::RunOn)1>(double const&, amrex::Box const&, amrex::DestComp, amrex::NumComps)::{lambda(int, int, int, int)#1}&&)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_Loop.H:210:2
void amrex::BaseFab<double>::setVal<(amrex::RunOn)1>(double const&, amrex::Box const&, amrex::DestComp, amrex::NumComps)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BaseFab.H:3567:36

 4: ./Castro2d.gnu.TPROF.CUDA.ex() [0x66e160]
    std::vector<std::pair<int, amrex::Box>, std::allocator<std::pair<int, amrex::Box> > >::size() const inlined at /raid/testing/castro-gpu/amrex//Src/AmrCore/AMReX_FluxRegister.cpp:601:53 in amrex::FluxRegister::ClearInternalBorders(amrex::Geometry const&)
/usr/include/c++/10/bits/stl_vector.h:919:69
amrex::FluxRegister::ClearInternalBorders(amrex::Geometry const&)
/raid/testing/castro-gpu/amrex//Src/AmrCore/AMReX_FluxRegister.cpp:601:53

 5: ./Castro2d.gnu.TPROF.CUDA.ex() [0x43bd6c]
    Castro::reflux(int, int)
/raid/testing/castro-gpu/Castro//Source/driver/Castro.cpp:2702:12

 6: ./Castro2d.gnu.TPROF.CUDA.ex() [0x43d3bb]
    Castro::post_timestep(int)
/raid/testing/castro-gpu/Castro//Source/driver/Castro.cpp:1999:6

 7: ./Castro2d.gnu.TPROF.CUDA.ex() [0x6c34ee]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:2075:30

 8: ./Castro2d.gnu.TPROF.CUDA.ex() [0x6c34c2]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:2062:1

 9: ./Castro2d.gnu.TPROF.CUDA.ex() [0x6c34c2]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:2062:1

10: ./Castro2d.gnu.TPROF.CUDA.ex() [0x6b6359]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gpu/amrex//Src/Amr/AMReX_Amr.cpp:2126:11

11: ./Castro2d.gnu.TPROF.CUDA.ex() [0x421f65]
    main
/raid/testing/castro-gpu/Castro//Source/driver/main.cpp:151:29

12: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f04e2ec71e2]
    __libc_start_main
??:0

13: ./Castro2d.gnu.TPROF.CUDA.ex() [0x4292be]
    _start
??:0


===== TinyProfilers ======
main()
Amr::coarseTimeStep()
Amr::timeStep()
Amr::timeStep()
Amr::timeStep()
Castro::post_timestep()
Castro::reflux()