Failed to open [dm_mirror], continuing without symbols Failed to open [ext4], continuing without symbols # ======== # captured on: Fri Dec 7 16:45:46 2012 # hostname : (none) # os release : 3.7.0-rc8-cliff-bench+ # perf version : 3.7.rc8.3.ge0fb22 # arch : x86_64 # nrcpus online : 1 # nrcpus avail : 1 # cpudesc : Intel(R) Xeon(R) CPU E7- 4820 @ 2.00GHz # cpuid : GenuineIntel,6,47,2 # total memory : 240104 kB # cmdline : /var/crash/perf record -g -o /mnt///127.0.0.1-2012-12-07-16:45:20/perf.data2 /var/crash/makedumpfile-cliff --message-level 31 -i /var/crash/vmcoreinfo.txt -N -d 31 /proc/vmcore /mnt///127.0.0.1-2012-12-07-16:45:20/vmcore-empty-2 # event : name = cycles, type = 0, config = 0x0, config1 = 0x0, config2 = 0x0, excl_usr = 0, excl_kern = 0, excl_host = 0, excl_guest = 1, precise_ip = 0, id = { 3 } # HEADER_CPU_TOPOLOGY info available, use -I to display # HEADER_NUMA_TOPOLOGY info available, use -I to display # pmu mappings: cpu = 4, software = 1, tracepoint = 2, uncore_bbox_0 = 15, uncore_bbox_1 = 16, uncore_cbox_0 = 7, uncore_cbox_1 = 8, uncore_cbox_2 = 9, uncore_cbox_3 = 10, uncore_cbox_4 = 11, uncore_cbox_5 = 12, uncore_cbox_6 = 13, uncore_cbox_7 = 14, uncore_mbox_0 = 19, uncore_mbox_1 = 20, uncore_rbox_0 = 21, uncore_rbox_1 = 22, uncore_sbox_0 = 17, uncore_sbox_1 = 18, breakpoint = 5, uncore_ubox = 6, uncore_wbox = 23 # ======== # # Samples: 5K of event 'cycles' # Event count (approx.): 1493942335 # # Overhead Command Shared Object # ........ ............... .................... # 51.45% makedumpfile-cl makedumpfile-cliff | |--51.45%-- set_bitmap_cyclic | | | --100.00%-- exclude_unnecessary_pages_cyclic | | | --100.00%-- writeout_dumpfile | 0x7fff0b66fe70 | 0x64656b616d2f6873 | |--11.66%-- get_num_dumpable_cyclic | |--7.96%-- clear_bit_on_2nd_bitmap_for_kernel | exclude_unnecessary_pages_cyclic | | | --100.00%-- writeout_dumpfile | 0x7fff0b66fe70 | 0x64656b616d2f6873 | |--6.93%-- create_1st_bitmap_cyclic | |--4.52%-- __exclude_unnecessary_pages_kernel | exclude_unnecessary_pages_cyclic | | | --100.00%-- writeout_dumpfile | 0x7fff0b66fe70 | 0x64656b616d2f6873 | |--4.35%-- clear_bit_on_2nd_bitmap | exclude_unnecessary_pages_cyclic | | | --100.00%-- writeout_dumpfile | 0x7fff0b66fe70 | 0x64656b616d2f6873 | |--4.05%-- set_bit_on_1st_bitmap | |--3.63%-- update_cyclic_region | |--3.52%-- write_kdump_pages_and_bitmap_cyclic | writeout_dumpfile | 0x7fff0b66fe70 | 0x64656b616d2f6873 | |--1.87%-- is_xen_memory | exclude_unnecessary_pages_cyclic | | | --100.00%-- writeout_dumpfile | 0x7fff0b66fe70 | 0x64656b616d2f6873 --0.07%-- [...] 47.68% makedumpfile-cl [kernel.kallsyms] | |--77.89%-- write_vmcore_get_excludes | write_vmcore_pfn_lists | proc_reg_write | vfs_write | sys_write | system_call_fastpath | __write_nocancel | exclude_unnecessary_pages_cyclic | | | --100.00%-- writeout_dumpfile | 0x7fff0b66fe70 | 0x64656b616d2f6873 | |--15.34%-- walk_system_ram_range | | | |--96.92%-- page_is_ram | | __ioremap_caller | | ioremap_cache | | | | | |--99.51%-- write_vmcore_get_memmap | | | write_vmcore_pfn_lists | | | proc_reg_write | | | vfs_write | | | sys_write | | | system_call_fastpath | | | __write_nocancel | | | 0x7fff0b66fe70 | | | 0x64656b616d2f6873 | | --0.49%-- [...] | | | |--2.84%-- pat_pagerange_is_ram | | | | | |--58.30%-- free_memtype | | | iounmap | | | copy_oldmem_page | | | read_from_oldmem | | | read_vmcore | | | proc_reg_read | | | vfs_read | | | sys_read | | | system_call_fastpath | | | __read_nocancel | | | | | | | --100.00%-- 0x45524f4300000001 | | | | | --41.70%-- reserve_memtype | | __ioremap_caller | | ioremap_cache | | copy_oldmem_page | | read_from_oldmem | | read_vmcore | | proc_reg_read | | vfs_read | | sys_read | | system_call_fastpath | | __read_nocancel | --0.24%-- [...] | |--0.76%-- __purge_vmap_area_lazy | | | |--76.20%-- free_vmap_area_noflush | | free_unmap_vmap_area | | remove_vm_area | | iounmap | | copy_oldmem_page | | read_from_oldmem | | read_vmcore | | proc_reg_read | | vfs_read | | sys_read | | system_call_fastpath | | __read_nocancel | | | | | |--50.02%-- 0x45524f4300000001 | | | | | --49.98%-- 0x0 | | | --23.80%-- vm_unmap_aliases | change_page_attr_set_clr | _set_memory_wb | ioremap_change_attr | kernel_map_sync_memtype | __ioremap_caller | ioremap_cache | copy_oldmem_page | read_from_oldmem | read_vmcore | proc_reg_read | vfs_read | sys_read | system_call_fastpath | __read_nocancel | |--0.66%-- iomem_map_sanity_check | __ioremap_caller | ioremap_cache | copy_oldmem_page | read_from_oldmem | read_vmcore | proc_reg_read | vfs_read | sys_read | system_call_fastpath | __read_nocancel | | | |--50.44%-- 0x45524f4300000001 | | | --49.56%-- 0x0 | |--0.51%-- try_preserve_large_page | __change_page_attr | __change_page_attr_set_clr | change_page_attr_set_clr | _set_memory_wb | ioremap_change_attr | kernel_map_sync_memtype | __ioremap_caller | ioremap_cache | copy_oldmem_page | read_from_oldmem | read_vmcore | proc_reg_read | vfs_read | sys_read | system_call_fastpath | __read_nocancel --4.84%-- [...] 0.72% makedumpfile-cl libc.so.6 | |--36.59%-- __memset_sse2 | | | --100.00%-- 0x7fff0b66fe70 | 0x64656b616d2f6873 | |--31.88%-- memcpy | | | --100.00%-- writeout_dumpfile | 0x7fff0b66fe70 | 0x64656b616d2f6873 | |--4.88%-- time | |--4.80%-- _IO_file_xsputn@@GLIBC_2.2.5 | 0x7f7e97029000 | |--2.46%-- _IO_file_init@@GLIBC_2.2.5 | |--2.45%-- _int_free | |--2.45%-- 0x372527ffa0 | |--2.44%-- _IO_default_xsputn | 0x71e4ef | |--2.42%-- __lseek_nocancel | |--2.41%-- _IO_getline_info | |--2.41%-- __strlen_sse42 | 0x61705f6769746e6f | |--2.41%-- _IO_fgets | 0x3638343533313d45 | --2.40%-- vfprintf fprintf 0.13% makedumpfile-cl ld-linux-x86-64.so.2 | |--28.61%-- _dl_relocate_object | dl_main | _dl_sysdep_start | 0x4156415741e58948 | |--28.61%-- do_lookup_x | |--14.96%-- strcmp | 0x6e696c2d646c0036 | |--14.34%-- _dl_lookup_symbol_x | _dl_relocate_object | dl_main | _dl_sysdep_start | 0x4156415741e58948 | --13.48%-- _dl_sort_fini _dl_fini exit 0.02% makedumpfile-cl libstdc++.so.6 | --- std::basic_ios >::init(std::basic_streambuf >*) 0x37284ebbe0 std::basic_ostream >::~basic_ostream()