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H=' 1HX sH5L H= 1H` rH5 H=n 1Hh rH5 H=R 1Hp rH5 H=6 1Hx rH5 H= 1H trH H5 H= 1VrH H56 H= 1:rH5 H= 1H rH5= H= 1H rH5q H= 1H qH5 H=& 1H qH5& H=& 1H qH5& H=& 1H qH5 H= 1H vqH5 H= 1H ZqH5 H={ 1H >qH5 H=_ 1H "qH5B H=C 1H qH5 H=' 1H pH5 H= 1H pH5 H= 1H pH5 H= 1H pH5y H= H 1zpHq H5T H= 1\pH H5 H=v 1@pH H5h H=X 1"pH H5 H=< 1pH5 H=' 1H oH5 H= 1H( oH5 H=$ 1H0 oH= HP mt H5{ H= 1oHX H5$ H=$ 1joH5$ H=$ 1H8 NoH5$ H=$ 1H@ 2oH=< 11HH oH ,L H=`# 11HCh oH5 H=R# HHnH5F H= HHCnH5I H= HHCnH5J H= HHCnH5= H= HHC knH5u H= HHC(MnH5# H=n HHC0/nH5 H=P HHC8nH=& 11HC@mH5F H=
# HHC`mH5# H=# HHCXmH5
# H=" HHCHmHCPoUmnH=" 11mHw H J HH Qmu
HH H=|T n [H5f H=a 1+mHH5H H=C 1
mH H5" H=! 1lHH5! H= 1lH lH5 H=J 1lHSH5 H=, 1lH 2H5A! H=& 1klH j H5! H= 1ClH H5 H= 1lH H5 H= 1kH D H5 H= 1kH H5U H=^ 1kH H H5) H=6 1{kH H5 H= 1SkH H5 H= 1+kH " H5 H= 1kH H5y H= 1jH ^ H5M H=n 1jH H5! H=F 1jH H5 H= 1cjH 8 H5 H= 1;jH H5 H= HjHC@o D H=] 11iHpH xF HH k vm_area_struct_vm_next libgcore/gcore_coredump.c task_struct_static_prio task_nice: static_prio %s: write %s
mm_struct_saved_auxv fill_auxv_note CORE fill_auxv_note32 mm_struct_arg_start mm_struct_arg_end fill_psinfo: pr_psargs page fault at %lx
task_struct_real_parent fill_psinfo: real_parent task_struct_state fill_psinfo: state task_struct_flags fill_psinfo: flags task_struct_comm fill_psinfo: comm RSDTZW mm_struct_mmap mm_struct_map_count Opening file %s ...
%s: open: %s
Writing ELF header ...
%s: write: %s
done.
%s: gcore: %s
vm_area_struct_vm_start vm_area_struct_vm_end vm_area_struct_vm_flags %s: write, %s
Writing PT_NOTE segment ...
%s: lseek: %s
Writing PT_LOAD segment ...
PT_LOAD[%lu]: %lx - %lx
readmem vma list task_struct_pending sigpending_signal task_struct_blocked fill_prstatus: blocked_sig0 task_struct_parent fill_prstatus: real_parent task_struct_group_leader fill_prstatus: group_leader task_struct_utime task_struct utime task_struct_stime task_struct stime task_struct_signal task_struct signal signal_struct_cutime signal_struct cutime signal_struct cstime The user memory space does not exist.
Restoring the thread group ...
Retrieving note information ...
regset 0 is _not_ NT_PRSTATUS
Writing section header table ...
Writing PT_NOTE program header ...
Writing PT_LOAD program headers ...
fill_prstatus: sigpending_signal_sig thread_group_leader: group_leader next_vma gcore_coredump fill_auxv_note fill_psinfo_note task_nice fill_prstatus_note thread_group_leader compat_fill_auxv_note compat_fill_psinfo_note compat_fill_prstatus_note pid_nr_ns task_struct_gid task_gid_v0: gid task_struct_uid task_uid_v0: uid task_struct_real_cred task_gid_v28: real_cred cred_gid task_gid_v28: gid task_uid_v28: real_cred cred_uid task_uid_v28: uid signal_struct_utime signal_struct_stime task_struct_sighand task_struct_se sched_entity_sum_exec_runtime process_group: signal signal_struct_session task_session: session signal_struct_pgrp process_group: pgrp file_f_dentry get_inode_i_nlink_v0: d_entry dentry_d_inode get_inode_i_nlink_v0: d_inode inode_i_nlink get_inode_i_nlink_v0: i_nlink file_f_path path_dentry task_struct_nsproxy __task_pid_nr_ns: nsproxy nsproxy_pid_ns __task_pid_nr_ns: ns pid_link task_struct_pids pid_link_pid pid_alive task_struct pid_namespace_level pid_nr_ns: ns_level pid_nr_ns: pid_level pid_numbers upid pid_nr_ns: upid_ns pid_nr_ns: upid_nr libgcore/gcore_coredump_table.c thread_group_cputime_v0: signal thread_group_cputime_v0: utime thread_group_cputime_v0: signal_utime thread_group_cputime_v0: stime thread_group_cputime_v0: signal_stime thread_group_cputime_v22: sighand thread_group_cputime_v22: signal thread_group_cputime_v22: utime thread_group_cputime_v22: stime thread_group_cputime_v22: sum_exec_runtime thread_group_cputime_v22: signal_utime thread_group_cputime_v22: signal_stime signal_struct_sum_sched_runtime thread_group_cputime_v22: sum_sched_runtime get_inode_i_nlink_v19: d_entry get_inode_i_nlink_v19: d_inode get_inode_i_nlink_v19: i_nlink __task_pid_nr_ns: group_leader __task_pid_nr_ns: pids_type_pid task_gid_v0 task_uid_v0 task_gid_v28 task_uid_v28 thread_group_cputime_v0 thread_group_cputime_v22 task_session process_group __task_pid_nr_ns pid_alive pid_nr_ns get_inode_i_nlink_v0 get_inode_i_nlink_v19 libgcore/gcore_dumpfilter.c vm_area_struct_vm_file vm_area_struct_vm_pgoff vm_area_struct_anon_vma read ELF page gcore_dumpfilter_vma_dump_size libgcore/gcore_regset.c genregs_get: pt_regs x86_64 gcore_default_regsets_init genregs_get task_struct_thread libgcore/gcore_x86.c thread_struct_i387 thread_struct_rsp restore_frame_pointer: rsp restore_frame_pointer: rbp thread_struct_io_bitmap_max ioperm_active: io_bitmap_max thread_struct_io_bitmap_ptr ioperm_get: io_bitmap_ptr ioperm_get: copy IO bitmap thread_struct_xstate thread_struct_fpu fpu_state tsk_used_math_v11: flags task_struct_used_math tsk_used_math_v0: used_math vm_area_struct_vm_mm mm_struct_context mm_context_t_vdso [vdso] gate_vma [vsyscall] _cpu_pda x8664_pda_oldrsp per_cpu__old_rsp thread_info_flags i387_union thread_xstate thread_struct_tls_array regset_tls_active: t x8664_pda regset_tls_active: tls_array thread_struct_fs restore_segment_registers: fs thread_struct_fsindex desc_struct thread_struct_gsindex thread_struct_gs restore_segment_registers: gs test_tsk_thread_flag: flags thread_struct_ds restore_segment_registers: ds thread_struct_es restore_segment_registers: es boot_cpu_data cpuinfo_x86_x86_capability boot_cpu_has: x86_capability REGSET_XSTATE x86_64_regsets user_regset user_regset_n fpregs_active: n xstate_fx_sw_bytes thread_struct stub_rt_sigsuspend ia32_syscall used_vectors test_bit: nth_entry idt_table stub32_rt_sigsuspend thread_info_status task_used_fpu: status FPU may be inaccurate: %d
xstateregs_get: thread fill_xstate: sw_reserved xfpregs_get: xstate convert_from_fxsr: xstate convert_from_fxsr: regs convert_from_fxsr: ds RIP: restore_rest: rsp restore_rest: rbp check_context: opcode check_context: opcode 2 thread_struct_usersp genregs_get: usersp unexpected IRQ number: %d.
x86_32 LINUX restore_frame_pointer: resume rbp gcore_x86_get_thread_struct_thread_xstate: xstate gcore_x86_get_thread_struct_fpu_thread_xstate: state gcore_arch_vma_name: vma->vm_mm gcore_arch_vma_name: vma->vm_start gcore_arch_vma_name: mm->context.vdso gcore_x86_64_get__cpu_pda_oldrsp: _cpu_pda gcore_x86_64_get_cpu_pda_oldrsp: oldrsp gcore_x86_64_get_per_cpu__old_rsp: per_cpu__old_rsp gcore_x86_64_get_old_rsp: old_rsp gcore_x86_64_get_cpu_pda_oldrsp: cpu_pda_buf restore_segment_registers: fsindex restore_segment_registers: desc restore_segment_registers: gsindex boot_cpu_data: symbol does not exist
is_gate_set_ia32_syscall_vector: idt_table[IA32_SYSCALL_VECTOR cannot restore runtime fos and fcs
RIP: %016lx RSP: %016lx RFLAGS: %08lx
RAX: %016lx RBX: %016lx RCX: %016lx
RDX: %016lx RSI: %016lx RDI: %016lx
RBP: %016lx R8: %016lx R9: %016lx
R10: %016lx R11: %016lx R12: %016lx
R13: %016lx R14: %016lx R15: %016lx
ORIG_RAX: %016lx CS: %04lx SS: %04lx
IRQ number %d is reserved by Intel
system call instruction used could not be found
gcore_arch_vsyscall_has_vm_alwaysdump_flag gcore_arch_vma_name gcore_is_arch_32bit_emulation genregs_get ̀4restore_rest restore_frame_pointer restore_segment_registers test_tsk_thread_flag restore_regs_syscall_context boot_cpu_has get_xstate_regsets_number xstateregs_get task_used_fpu ioperm_active ioperm_get regset_tls_active regset_tls_get convert_from_fxsr gcore_x86_64_get_cpu__pda_oldrsp gcore_x86_64_get_cpu_pda_oldrsp gcore_x86_get_thread_struct_i387_size gcore_x86_get_thread_struct_i387 gcore_x86_get_thread_struct_thread_xstate_size gcore_x86_get_thread_struct_thread_xstate gcore_x86_get_thread_struct_fpu_thread_xstate_size gcore_x86_get_thread_struct_fpu_thread_xstate tsk_used_math_v11 tsk_used_math_v0 neither pid nor taskp: %s
invalid task or pid: %s
core.%lu.%s Saved %s
Failed.
no support on live kernel
f:v:V invalid filter value: %s.
invalid vlevel: %s.
cpuinfo_x86 base0 base1 base2 mm_context_t mm_struct reserved_vm pid_namespace ebp ebx xcs ecx edi xds edx xes eflags eip orig_eax orig_ax esi esp xss xfs xgs sched_entity signal_struct sum_sched_runtime thread_info vfpstate userrsp vm_area_struct hard vfp_state fpregs vfp_hard_struct fpscr fault_data vm_fault 0 1 x 2 x 1 x 2 x 4 x 8 x 16 x x the specified process. EXAMPLES process with PID 12345. crash> gcore 12345 Saved core.12345 crash> f9d7000 with PID 32323. crash> gcore f9d78000 Saved core.32323 Saved core.5217 Saved core.1130 Saved core.24459 Saved core.30102 task context. crash> set PID: 54321 COMMAND: "bash" CPU: 0 crash> gcore Saved core.54321 Saved core.12340 Usage: gcore gcore -d Saved core.5174 Saved core.5167 The specified task is a kernel thread.
crash gcore command: version 1.0-4.el6 [1.2.1 equivalent] (released on 14 Tue 2013)
Copyright (C) 2010, 2011, 2012, 2013 Fujitsu Limited
filter must be a decimal: %s.
vlevel must be a decimal: %s.
gcore - retrieve a process image as a core dump
gcore [-v vlevel] [-f filter] [pid | taskp]*
This command retrieves a process image as a core dump. -v Display verbose information according to vlevel: progress library error page fault --------------------------------------- 4 x (default) 7 x x x -f Specify kinds of memory to be written into core dumps according to the filter flag in bitwise: AP AS FP FS ELF HP HS DD ---------------------------------- 32 x 64 x 128 x 255 x x x x x x x x AP Anonymous Private Memory AS Anonymous Shared Memory FP File-Backed Private Memory FS File-Backed Shared Memory ELF ELF header pages in file-backed private memory areas HP Hugetlb Private Memory HS Hugetlb Shared Memory DD Memory advised using madvise with MADV_DONTDUMP flag -V Display version information If no pid or taskp is specified, gcore tries to retrieve the process image of the current task context. The file name of a generated core dump is core. where pid is PID of For a multi-thread process, gcore generates a core dump containing information for all threads, which is similar to a behaviour of the ELF core dumper in Linux kernel. Notice the difference of PID on between crash and linux that ps command in crash utility displays LWP, while ps command in Linux thread group tid, precisely PID of the thread group leader. gcore provides core dump filtering facility to allow users to select what kinds of memory maps to be included in the resulting core dump. There are 7 kinds memory maps in total, and you can set it up with set command. For more detailed information, please see a help command message. Specify the process you want to retrieve as a core dump. Here assume the Next, specify by TASK. Here assume the process placing at the address If multiple arguments are given, gcore performs dumping process in the order the arguments are given. crash> gcore 5217 ffff880136d72040 23299 24459 ffff880136420040 If no argument is given, gcore tries to retrieve the process of the current TASK: e0000040f80c0000 STATE: TASK_INTERRUPTIBLE When a multi-thread process is specified, the generated core file name has the thread leader's PID; here it is assumed to be 12340. It is not allowed to specify two same options at the same time. crash> gcore -v 1 1234 -v 1 gcore [-v vlevel] [-f filter] [pid | taskp]* Enter "help gcore" for details. It is allowed to specify -v and -f options in a different order. crash> gcore -v 2 5201 -f 21 ffff880126ff9520 5205 crash> gcore 5201 ffff880126ff9520 -f 21 5205 -v 2 ; q < = = = x>8 ?` @ XA B hF hVp XZ (` f` (g g h h i8 xk (o o p8 qp 8s Xs w x0 xH (x` Hxx Xx hx { { {
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H! ( h o o o 8 o ! . . . / / &/ 6/ F/ V/ f/ v/ / / / / / / / / 0 0 &0 60 F0 V0 f0 v0 0 0 0 0 0 0 0 0 1 1 &1 61 F1 V1 f1 v1 1 1 1 1 1 1 1 1 2 2 &2 62 F2 V2 f2 v2 2 2 2 2 2 2 2 2 3 3 &3 63 F3 # @v u u u @t t s s q r r u t t pt ps @s s r `r pr r `! ! w ! > ! D ` y l Ѕ 0 y +F$ ` 0 p} | @ 0 y Ѕ p} | 8 } } @ } } ( X ~ 8 ` H p ~ } 0 } P ' } 8 } X } ( x } @ X I } c z } } } @ } h } 5 } E T h } } H } c } } @ x } } } gcore.so.debug g> .shstrtab .note.gnu.build-id .gnu.hash .dynsym .dynstr .gnu.version .gnu.version_r .rela.dyn .rela.plt .text .rodata .eh_frame_hdr .eh_frame .data.rel.ro .dynamic .got .got.plt .data .bss .gnu_debuglink $ o h ( 8
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