=== 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: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x1b01d0) [0x557a642d01d0] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:174:39 1: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x1b2010) [0x557a642d2010] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8 2: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0xd9b3d) [0x557a641f9b3d] amrex::Assert_host(char const*, char const*, int, char const*) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:296:1 3: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x191927) [0x557a642b1927] amrex::Assert(char const*, char const*, int, char const*) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:258:9 in amrex::MFIter::MFIter(amrex::FabArrayBase const&, unsigned char) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:189:20 amrex::MFIter::Initialize() /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:258:9 amrex::MFIter::MFIter(amrex::FabArrayBase const&, unsigned char) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:27:15 4: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x54ecd) [0x557a64174ecd] void amrex::FabArray::setDomainBndry(double, int, int, amrex::Geometry const&) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:1496:40 5: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x2195a8) [0x557a643395a8] amrex::FillPatchIterator::Initialize(int, double, int, int, int) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1000:32 6: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x21a384) [0x557a6433a384] amrex::AmrLevel::FillPatch(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:2211:19 7: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x410a5) [0x557a641610a5] Castro::expand_state(amrex::MultiFab&, double, int) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3993:17 in Castro::computeTemp(amrex::MultiFab&, double, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4539:3 Castro::computeTemp(amrex::MultiFab&, double, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3993:17 8: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x45627) [0x557a64165627] Castro::initData() /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:1167:47 9: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x1fc645) [0x557a6431c645] amrex::Amr::defBaseLevel(double, amrex::BoxArray const*, amrex::Vector > const*) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2462:14 10: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x209014) [0x557a64329014] amrex::Amr::InitializeInit(double, double, amrex::BoxArray const*, amrex::Vector > const*) inlined at /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1236:19 in amrex::Amr::init(double, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1253:5 amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector > const*) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1236:19 amrex::Amr::init(double, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1116:20 11: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x29350) [0x557a64149350] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:33 12: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fd86c2901a3] __libc_start_main ??:0 13: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x336de) [0x557a641536de] _start ??:0 ===== TinyProfilers ====== main() Amr::init() Amr::initialInit() Amr::InitializeInit() Amr::defBaseLevel() Castro::initData() Castro::computeTemp() Castro::expand_state() FillPatchIterator::Initialize