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    SubjectRe: X86_64 Ctx switch times - 32bit vs 64bit
    Date
    > > Are there more context switching overheads when running 32bit programs on
    > > a 64bit kernel?
    >
    > Should be nearly the same in theory, no. This means 32bit programs use %gs
    > as thread register which is a bit more costly to switch because
    > the kernel uses it internally too, but the difference should be less
    > than that.
    >
    > I suspect your program is more testing the locks anyways, perhaps
    > there is some other difference in the glibc. e.g. 32bit glibc compiled
    > for pre 686 CPUs has slower locks.
    >
    > oprofile might provide more clue where the overhead is.
    >
    > -Andi

    I ran the 32 bit and 64 bit versions in a loop for good amount of time and
    captured oprofile report for vmlinux after each run. For the 32 bit runs the
    top 5 are - (Also attached are complete reports after 32 bit and 64 bit runs)

    samples % symbol name
    20820 11.5424 copy_user_generic_c
    12990 7.2015 ia32_syscall
    10131 5.6165 gs_change
    9053 5.0189 __dequeue_signal
    7494 4.1546 find_pid

    For the 64 bit run top 5 are -
    samples % symbol name
    10604 8.1075 system_call
    8497 6.4965 __switch_to
    8041 6.1479 do_signal
    7712 5.8963 schedule
    6538 4.9987 __dequeue_signal

    I am yet to interpret/analyze the above...

    Parag
    opreport -l /usr/src/linux/vmlinux
    CPU: AMD64 processors, speed 797.944 MHz (estimated)
    Counted CPU_CLK_UNHALTED events (Cycles outside of halt state) with a unit mask of 0x00 (No unit mask) count 100000
    samples % symbol name
    20820 11.5424 copy_user_generic_c
    12990 7.2015 ia32_syscall
    10131 5.6165 gs_change
    9053 5.0189 __dequeue_signal
    7494 4.1546 find_pid
    7313 4.0542 schedule
    5728 3.1755 sys_rt_sigsuspend
    5043 2.7958 ia32_setup_sigcontext
    4577 2.5374 __group_complete_signal
    4308 2.3883 memcpy
    4280 2.3728 do_signal
    4250 2.3562 save_i387_ia32
    4116 2.2819 acpi_processor_idle
    3547 1.9664 retint_restore_args
    3510 1.9459 __switch_to
    3286 1.8217 recalc_task_prio
    3247 1.8001 recalc_sigpending_tsk
    3096 1.7164 timer_interrupt
    3067 1.7003 get_signal_to_deliver
    3062 1.6975 kmem_cache_alloc
    2930 1.6244 try_to_wake_up
    2632 1.4591 restore_i387_ia32
    2620 1.4525 finish_task_switch
    2424 1.3438 ia32_setup_frame
    2138 1.1853 ia32_cstar_target
    2044 1.1332 kmem_cache_free
    1988 1.1021 enqueue_task
    1927 1.0683 ia32_restore_sigcontext
    1756 0.9735 sys32_sigreturn
    1500 0.8316 sys_kill
    1369 0.7590 group_send_sig_info
    1366 0.7573 __group_send_sig_info
    1365 0.7567 dequeue_signal
    1258 0.6974 kill_proc_info
    1177 0.6525 recalc_sigpending
    1130 0.6265 dequeue_task
    1127 0.6248 send_signal
    1062 0.5888 clear_page
    1059 0.5871 ia32_ptregs_common
    983 0.5450 sys32_rt_sigprocmask
    831 0.4607 effective_prio
    831 0.4607 int_ret_from_sys_call
    724 0.4014 signal_wake_up
    722 0.4003 sys_rt_sigprocmask
    638 0.3537 task_rq_lock
    623 0.3454 find_task_by_pid_type
    618 0.3426 retint_swapgs
    537 0.2977 sched_clock
    524 0.2905 ia32_sysret
    492 0.2728 __sigqueue_alloc
    427 0.2367 search_by_key
    391 0.2168 unmap_vmas
    389 0.2157 task_curr
    382 0.2118 stub32_rt_sigsuspend
    371 0.2057 load_gs_index
    346 0.1918 copy_page
    305 0.1691 sig_ignored
    284 0.1574 __d_lookup
    280 0.1552 handle_stop_signal
    260 0.1441 check_kill_permission
    257 0.1425 ia32_do_syscall
    245 0.1358 do_select
    243 0.1347 memset
    237 0.1314 get_sigframe
    235 0.1303 find_vma
    233 0.1292 copy_to_user
    232 0.1286 deactivate_task
    231 0.1281 clear_page_range
    227 0.1258 memmove
    216 0.1197 int_with_check
    210 0.1164 page_fault
    204 0.1131 unix_poll
    202 0.1120 link_path_walk
    199 0.1103 unix_ioctl
    183 0.1015 ide_inb
    176 0.0976 i8042_interrupt
    176 0.0976 thread_return
    173 0.0959 __down_interruptible
    173 0.0959 system_call
    170 0.0942 copy_page_range
    161 0.0893 apic_timer_interrupt
    158 0.0876 IRQ0x00_interrupt
    146 0.0809 copy_from_user
    146 0.0809 copy_user_generic
    144 0.0798 init_fpu
    133 0.0737 free_uid
    132 0.0732 do_no_page
    130 0.0721 buffered_rmqueue
    125 0.0693 __mod_page_state
    125 0.0693 __pollwait
    125 0.0693 ide_outb
    125 0.0693 remove_wait_queue
    118 0.0654 wake_up_state
    114 0.0632 __find_get_block
    113 0.0626 create_virtual_node
    111 0.0615 iret_label
    106 0.0588 add_wait_queue
    99 0.0549 sock_create_lite
    97 0.0538 stub32_sigreturn
    94 0.0521 __up_read
    94 0.0521 _devfs_search_dir
    92 0.0510 __delay
    83 0.0460 cstar_do_call
    83 0.0460 kfree
    82 0.0455 sysret_check
    80 0.0444 get_num_ver
    80 0.0444 unix_stream_recvmsg
    73 0.0405 sd_part_size
    71 0.0394 pipe_poll
    69 0.0383 profile_hit
    68 0.0377 __kmalloc
    66 0.0366 vfs_read
    65 0.0360 sys_select
    61 0.0338 free_hot_cold_page
    61 0.0338 unix_stream_sendmsg
    60 0.0333 groups_search
    59 0.0327 copy_process
    57 0.0316 do_page_fault
    54 0.0299 __reiserfs_permission
    54 0.0299 rw_verify_area
    53 0.0294 __alloc_pages
    53 0.0294 __down_read
    53 0.0294 handle_mm_fault
    50 0.0277 sys32_kill
    48 0.0266 strncpy_from_user
    47 0.0261 pci_conf1_read
    47 0.0261 pte_alloc_map
    46 0.0255 __do_IRQ
    44 0.0244 fix_nodes
    42 0.0233 free_pages_bulk
    41 0.0227 direntry_part_size
    41 0.0227 ret_from_sys_call
    40 0.0222 direntry_create_vi
    40 0.0222 vfs_write
    39 0.0216 dput
    39 0.0216 fget
    39 0.0216 ide_outsl
    38 0.0211 filemap_nopage
    38 0.0211 poll_freewait
    37 0.0205 free_page_and_swap_cache
    36 0.0200 __rmqueue
    36 0.0200 ll_rw_block
    35 0.0194 error_exit
    35 0.0194 fput
    35 0.0194 inotify_inode_queue_event
    35 0.0194 put_page
    34 0.0188 bad_range
    33 0.0183 find_vma_prev
    33 0.0183 free_block
    33 0.0183 inotify_dentry_parent_queue_event
    33 0.0183 reiserfs_prepare_for_journal
    33 0.0183 run_timer_softirq
    33 0.0183 sys_read
    32 0.0177 __down_write
    32 0.0177 do_mmap_pgoff
    31 0.0172 __wake_up
    31 0.0172 do_lookup
    31 0.0172 sleep_on_timeout
    30 0.0166 cond_resched
    30 0.0166 do_sync_read
    30 0.0166 normal_poll
    30 0.0166 sys_poll
    29 0.0161 __wake_up_bit
    29 0.0161 bit_waitqueue
    29 0.0161 handle_IRQ_event
    29 0.0161 path_lookup
    29 0.0161 scheduler_tick
    28 0.0155 cache_alloc_refill
    28 0.0155 do_readv_writev
    28 0.0155 ide_insl
    28 0.0155 mark_page_accessed
    28 0.0155 permission
    28 0.0155 update_process_times
    27 0.0150 indirect_part_size
    27 0.0150 irq_exit
    27 0.0150 rb_erase
    27 0.0150 sock_aio_read
    26 0.0144 __page_cache_release
    26 0.0144 copy_mount_options
    25 0.0139 do_softirq
    25 0.0139 do_wait
    25 0.0139 ide_outbsync
    25 0.0139 radix_tree_lookup
    25 0.0139 schedule_timeout
    25 0.0139 sys_mprotect
    25 0.0139 vma_adjust
    24 0.0133 do_munmap
    24 0.0133 do_wp_page
    24 0.0133 rb_insert_color
    24 0.0133 update_mem_hiwater
    24 0.0133 zone_watermark_ok
    23 0.0128 pipe_writev
    23 0.0128 skb_dequeue
    23 0.0128 xattr_lookup_poison
    22 0.0122 fget_light
    22 0.0122 find_get_page
    22 0.0122 raise_softirq
    22 0.0122 reiserfs_restore_prepared_buffer
    22 0.0122 sk_alloc
    22 0.0122 tty_ldisc_try
    21 0.0116 __wake_up_common
    21 0.0116 direct_part_size
    21 0.0116 do_timer
    21 0.0116 sys_rt_sigreturn
    21 0.0116 tty_poll
    21 0.0116 vfs_ioctl
    20 0.0111 account_system_time
    20 0.0111 do_journal_end
    20 0.0111 in_group_p
    20 0.0111 journal_mark_dirty
    20 0.0111 wait_tb_buffers_until_unlocked
    19 0.0105 find_vma_prepare
    19 0.0105 number
    19 0.0105 unfix_nodes
    18 0.0100 __do_softirq
    18 0.0100 __kfree_skb
    18 0.0100 __mod_timer
    18 0.0100 follow_mount
    18 0.0100 int_careful
    18 0.0100 sock_alloc_send_skb
    17 0.0094 __unix_find_socket_byname
    17 0.0094 cpu_idle
    17 0.0094 reiserfs_new_inode
    17 0.0094 sock_def_error_report
    17 0.0094 strnlen_user
    16 0.0089 __pagevec_lru_add_active
    16 0.0089 alloc_skb
    16 0.0089 attach_pid
    16 0.0089 device_not_available
    16 0.0089 do_balance
    16 0.0089 remove_vm_struct
    16 0.0089 vsnprintf
    15 0.0083 check_rlimit
    15 0.0083 do_exit
    15 0.0083 do_ioctl
    15 0.0083 leaf_insert_into_buf
    15 0.0083 reiserfs_update_sd_size
    15 0.0083 set_page_dirty
    14 0.0078 __getblk
    14 0.0078 error_sti
    14 0.0078 internal_add_timer
    14 0.0078 lru_cache_add_active
    14 0.0078 math_state_restore
    14 0.0078 reiserfs_permission
    14 0.0078 skb_copy_bits
    14 0.0078 sys_writev
    14 0.0078 unix_dgram_recvmsg
    13 0.0072 __get_free_pages
    13 0.0072 detach_pid
    13 0.0072 dnotify_parent
    13 0.0072 notifier_call_chain
    13 0.0072 sd_create_vi
    13 0.0072 search_by_entry_key
    13 0.0072 unix_write_space
    13 0.0072 vma_merge
    12 0.0067 do_generic_mapping_read
    12 0.0067 free_hot_page
    12 0.0067 free_pages
    12 0.0067 page_add_anon_rmap
    12 0.0067 pathrelse_and_restore
    12 0.0067 profile_tick
    12 0.0067 sigprocmask
    12 0.0067 smp_local_timer_interrupt
    12 0.0067 sys_access
    12 0.0067 update_atime
    11 0.0061 IRQ0x0c_interrupt
    11 0.0061 __down_read_trylock
    11 0.0061 arch_get_unmapped_area
    11 0.0061 comp_items
    11 0.0061 do_con_write
    11 0.0061 expand_files
    11 0.0061 kprobe_exceptions_notify
    11 0.0061 sys_write
    10 0.0055 default_wake_function
    10 0.0055 dnotify_flush
    10 0.0055 find_next_zero_bit
    10 0.0055 get_neighbors
    10 0.0055 poll_initwait
    10 0.0055 prepare_for_delete_or_cut
    10 0.0055 ret_from_intr
    10 0.0055 smp_apic_timer_interrupt
    10 0.0055 wake_up_bit
    9 0.0050 IRQ0x10_interrupt
    9 0.0050 __fput
    9 0.0050 __rb_rotate_left
    9 0.0050 as_insert_request
    9 0.0050 copy_files
    9 0.0050 do_IRQ
    9 0.0050 do_sigaction
    9 0.0050 reiserfs_prepare_file_region_for_write
    9 0.0050 release_pages
    9 0.0050 release_task
    9 0.0050 vma_prio_tree_add
    8 0.0044 ___pskb_trim
    8 0.0044 __exit_signal
    8 0.0044 __free_pages
    8 0.0044 __up_write
    8 0.0044 account_it_prof
    8 0.0044 account_user_time
    8 0.0044 ack_edge_ioapic_irq
    8 0.0044 alloc_inode
    8 0.0044 can_share_swap_page
    8 0.0044 d_alloc
    8 0.0044 dentry_open
    8 0.0044 dlci_ioctl_set
    8 0.0044 do_sync_write
    8 0.0044 generic_delete_inode
    8 0.0044 generic_file_read
    8 0.0044 generic_fillattr
    8 0.0044 get_task_mm
    8 0.0044 ide_do_request
    8 0.0044 leaf_delete_items_entirely
    8 0.0044 open_namei
    8 0.0044 page_remove_rmap
    8 0.0044 prio_tree_insert
    8 0.0044 radix_tree_tag_clear
    8 0.0044 skb_copy_and_csum_dev
    8 0.0044 sock_aio_write
    8 0.0044 verify_iovec
    8 0.0044 vma_prio_tree_remove
    7 0.0039 __anon_vma_link
    7 0.0039 __generic_file_aio_read
    7 0.0039 __unhash_process
    7 0.0039 __user_walk
    7 0.0039 can_dirty
    7 0.0039 common_interrupt
    7 0.0039 compat_sys_nanosleep
    7 0.0039 del_timer
    7 0.0039 do_journal_begin_r
    7 0.0039 file_read_actor
    7 0.0039 flush_old_exec
    7 0.0039 get_empty_filp
    7 0.0039 getname
    7 0.0039 ide_intr
    7 0.0039 ide_wait_stat
    7 0.0039 journal_begin
    7 0.0039 kernel_recvmsg
    7 0.0039 leaf_copy_items_entirely
    7 0.0039 leaf_move_items
    7 0.0039 memcpy_toiovec
    7 0.0039 mmput
    7 0.0039 note_interrupt
    7 0.0039 pci_vector_resources
    7 0.0039 pipe_readv
    7 0.0039 reiserfs_allocate_blocknrs
    7 0.0039 reiserfs_in_journal
    7 0.0039 reiserfs_insert_item
    7 0.0039 sys_ioctl
    7 0.0039 tty_hung_up_p
    7 0.0039 unlock_buffer
    7 0.0039 vfs_readdir
    6 0.0033 __clear_user
    6 0.0033 __do_page_cache_readahead
    6 0.0033 __find_get_block_slow
    6 0.0033 __vm_enough_memory
    6 0.0033 alloc_pidmap
    6 0.0033 anon_vma_prepare
    6 0.0033 cache_reap
    6 0.0033 con_chars_in_buffer
    6 0.0033 current_fs_time
    6 0.0033 error_entry
    6 0.0033 indirect_create_vi
    6 0.0033 input_event
    6 0.0033 load_elf32_binary
    6 0.0033 locks_remove_flock
    6 0.0033 locks_remove_posix
    6 0.0033 n_tty_chars_in_buffer
    6 0.0033 pty_chars_in_buffer
    6 0.0033 reiserfs_cut_from_item
    6 0.0033 reiserfs_find_entry
    6 0.0033 reiserfs_get_block
    6 0.0033 sched_fork
    6 0.0033 set_page_refs
    6 0.0033 skb_clone
    6 0.0033 sock_sendpage
    6 0.0033 split_vma
    6 0.0033 sys_rt_sigaction
    6 0.0033 tty_ldisc_deref
    6 0.0033 unix_dgram_sendmsg
    6 0.0033 unix_shutdown
    5 0.0028 IRQ0x0f_interrupt
    5 0.0028 __vm_stat_account
    5 0.0028 _make_cpu_key
    5 0.0028 add_save_link
    5 0.0028 cascade
    5 0.0028 check_right
    5 0.0028 clear_inode
    5 0.0028 con_write_room
    5 0.0028 conv_uni_to_pc
    5 0.0028 copy_namespace
    5 0.0028 copy_semundo
    5 0.0028 cp_new_stat
    5 0.0028 direct_create_vi
    5 0.0028 do_notify_resume
    5 0.0028 leaf_cut_from_buffer
    5 0.0028 load_elf_binary
    5 0.0028 mousedev_notify_readers
    5 0.0028 pathrelse
    5 0.0028 pci_bus_read_config_word
    5 0.0028 r5_hash
    5 0.0028 radix_tree_tag_set
    5 0.0028 read_chan
    5 0.0028 reiserfs_delete_solid_item
    5 0.0028 sched_exit
    5 0.0028 sd_is_left_mergeable
    5 0.0028 search_for_position_by_key
    5 0.0028 serio_interrupt
    5 0.0028 sock_readv
    5 0.0028 sys32_mmap2
    5 0.0028 sys_fcntl
    5 0.0028 tty_ldisc_ref_wait
    5 0.0028 write_chan
    4 0.0022 IRQ0x0e_interrupt
    4 0.0022 __block_write_full_page
    4 0.0022 __vma_link_rb
    4 0.0022 activate_page
    4 0.0022 anon_vma_unlink
    4 0.0022 cache_flusharray
    4 0.0022 cap_capable
    4 0.0022 cdrom_pc_intr
    4 0.0022 copy_siginfo_to_user
    4 0.0022 count
    4 0.0022 do_notify_parent
    4 0.0022 drain_array_locked
    4 0.0022 elv_remove_request
    4 0.0022 exit_intr
    4 0.0022 fb_flashcursor
    4 0.0022 file_ra_state_init
    4 0.0022 generic_ide_ioctl
    4 0.0022 get_unused_fd
    4 0.0022 iget5_locked
    4 0.0022 inode_update_time
    4 0.0022 keyed_hash
    4 0.0022 may_open
    4 0.0022 path_release
    4 0.0022 pipe_ioctl
    4 0.0022 prio_tree_replace
    4 0.0022 read_cache_page
    4 0.0022 reiserfs_add_entry
    4 0.0022 reiserfs_async_progress_wait
    4 0.0022 reiserfs_commit_page
    4 0.0022 reiserfs_file_write
    4 0.0022 reiserfs_lookup
    4 0.0022 reiserfs_rmdir
    4 0.0022 release_console_sem
    4 0.0022 schedule_tail
    4 0.0022 shrink_dcache_parent
    4 0.0022 skb_clone_fraglist
    4 0.0022 skb_drop_fraglist
    4 0.0022 skb_queue_purge
    4 0.0022 snd_ctl_read
    4 0.0022 sock_readv_writev
    4 0.0022 sock_sendmsg
    4 0.0022 strlen
    4 0.0022 submit_bh
    4 0.0022 sys_getdents64
    4 0.0022 vfs_getattr
    4 0.0022 vfs_writev
    4 0.0022 vma_prio_tree_insert
    4 0.0022 wake_up_new_task
    4 0.0022 worker_thread
    3 0.0017 SHATransform
    3 0.0017 __bio_add_page
    3 0.0017 __end_that_request_first
    3 0.0017 __free_pages_ok
    3 0.0017 __ide_end_request
    3 0.0017 __make_request
    3 0.0017 __mark_inode_dirty
    3 0.0017 __remove_shared_vm_struct
    3 0.0017 __set_page_dirty_nobuffers
    3 0.0017 __tasklet_schedule
    3 0.0017 __vma_link
    3 0.0017 arch_unmap_area
    3 0.0017 as_completed_request
    3 0.0017 as_next_request
    3 0.0017 bio_alloc
    3 0.0017 blkdev_ioctl
    3 0.0017 cdrom_end_request
    3 0.0017 check_left
    3 0.0017 check_ra_success
    3 0.0017 console_conditional_schedule
    3 0.0017 d_rehash
    3 0.0017 dma_map_sg
    3 0.0017 do_fork
    3 0.0017 do_setitimer
    3 0.0017 do_sigaltstack
    3 0.0017 eligible_child
    3 0.0017 elv_next_request
    3 0.0017 fd_install
    3 0.0017 flush_commit_list
    3 0.0017 get_far_parent
    3 0.0017 get_parents
    3 0.0017 get_zeroed_page
    3 0.0017 i_attrs_to_sd_attrs
    3 0.0017 ide_build_dmatable
    3 0.0017 ide_insw
    3 0.0017 ide_outl
    3 0.0017 inode2sd
    3 0.0017 inode_has_buffers
    3 0.0017 inotify_inode_is_dead
    3 0.0017 journal_end
    3 0.0017 lookup_create
    3 0.0017 make_le_item_head
    3 0.0017 memcpy_fromiovec
    3 0.0017 mousedev_event
    3 0.0017 mousedev_packet
    3 0.0017 mousedev_poll
    3 0.0017 mousedev_read
    3 0.0017 mpage_writepages
    3 0.0017 new_inode
    3 0.0017 out_of_line_wait_on_bit_lock
    3 0.0017 page_cache_readahead
    3 0.0017 page_getlink
    3 0.0017 page_waitqueue
    3 0.0017 profile_munmap
    3 0.0017 radix_tree_gang_lookup_tag
    3 0.0017 reiserfs_cache_default_acl
    3 0.0017 reiserfs_do_truncate
    3 0.0017 reiserfs_paste_into_item
    3 0.0017 reiserfs_read_locked_inode
    3 0.0017 reiserfs_readdir
    3 0.0017 reiserfs_unlink
    3 0.0017 rh_report_status
    3 0.0017 rm_from_queue
    3 0.0017 run_local_timers
    3 0.0017 sock_def_readable
    3 0.0017 sock_kfree_s
    3 0.0017 sys_mmap
    3 0.0017 sys_open
    3 0.0017 sys_setitimer
    3 0.0017 task_timeslice
    3 0.0017 test_set_page_writeback
    3 0.0017 timespec_trunc
    3 0.0017 tty_ioctl
    3 0.0017 tty_write
    3 0.0017 unix_release_sock
    3 0.0017 unlock_page
    3 0.0017 vfs_create
    3 0.0017 vfs_mkdir
    3 0.0017 vfs_rename
    3 0.0017 vfs_stat
    3 0.0017 vma_link
    2 0.0011 B_IS_IN_TREE
    2 0.0011 __blk_put_request
    2 0.0011 __brelse
    2 0.0011 __detach_pid
    2 0.0011 __filemap_fdatawrite_range
    2 0.0011 __put_task_struct
    2 0.0011 __rb_rotate_right
    2 0.0011 __rcu_process_callbacks
    2 0.0011 __sock_create
    2 0.0011 _reiserfs_free_block
    2 0.0011 add_timer_randomness
    2 0.0011 add_to_page_cache
    2 0.0011 add_to_page_cache_lru
    2 0.0011 as_may_queue
    2 0.0011 as_merge
    2 0.0011 as_put_request
    2 0.0011 as_queue_empty
    2 0.0011 autofs4_revalidate
    2 0.0011 autofs4_root_ioctl
    2 0.0011 balance_dirty_pages_ratelimited
    2 0.0011 can_vma_merge_after
    2 0.0011 cdrom_queue_packet_command
    2 0.0011 cdrom_read_toc
    2 0.0011 cdrom_release
    2 0.0011 cdrom_start_packet_command
    2 0.0011 compat_sys_wait4
    2 0.0011 d_instantiate
    2 0.0011 devfs_follow_link
    2 0.0011 do_execve
    2 0.0011 do_gettimeofday
    2 0.0011 do_pipe
    2 0.0011 do_posix_clock_monotonic_gettime_parts
    2 0.0011 exit_aio
    2 0.0011 exit_itimers
    2 0.0011 exit_mmap
    2 0.0011 exit_thread
    2 0.0011 filp_open
    2 0.0011 flush_sigqueue
    2 0.0011 free_pipe_info
    2 0.0011 generic_drop_inode
    2 0.0011 generic_write_checks
    2 0.0011 get_index
    2 0.0011 get_request
    2 0.0011 get_rfree
    2 0.0011 get_super
    2 0.0011 get_unmapped_area
    2 0.0011 ide_cdrom_prep_fn
    2 0.0011 ide_execute_command
    2 0.0011 indirect_is_left_mergeable
    2 0.0011 init_page_buffers
    2 0.0011 invalidate_bdev
    2 0.0011 iput
    2 0.0011 journal_mark_freed
    2 0.0011 kill_fasync
    2 0.0011 kref_get
    2 0.0011 kthread_should_stop
    2 0.0011 leaf_paste_entries
    2 0.0011 leaf_paste_in_buffer
    2 0.0011 ll_back_merge_fn
    2 0.0011 lookup_hash
    2 0.0011 lookup_one_len
    2 0.0011 make_cpu_key
    2 0.0011 mempool_alloc
    2 0.0011 mempool_alloc_slab
    2 0.0011 mm_release
    2 0.0011 n_tty_receive_room
    2 0.0011 page_add_file_rmap
    2 0.0011 page_follow_link_light
    2 0.0011 pipe_read
    2 0.0011 prepare_binprm
    2 0.0011 prio_tree_remove
    2 0.0011 pskb_put
    2 0.0011 ptregscall_common
    2 0.0011 pty_write_room
    2 0.0011 put_files_struct
    2 0.0011 reiserfs_choose_packing
    2 0.0011 reiserfs_get_unused_objectid
    2 0.0011 reiserfs_prepare_write
    2 0.0011 reiserfs_update_inode_transaction
    2 0.0011 save_i387
    2 0.0011 scan_bitmap_block
    2 0.0011 send_sigio_to_task
    2 0.0011 seq_printf
    2 0.0011 set_fs_pwd
    2 0.0011 show_stat
    2 0.0011 sk_stop_timer
    2 0.0011 sock_recvmsg
    2 0.0011 sock_release
    2 0.0011 sock_wfree
    2 0.0011 sockfd_lookup
    2 0.0011 strcmp
    2 0.0011 stub_rt_sigreturn
    2 0.0011 sys_brk
    2 0.0011 sys_munmap
    2 0.0011 sys_newfstat
    2 0.0011 sys_newlstat
    2 0.0011 sys_newstat
    2 0.0011 unix_dgram_connect
    2 0.0011 wake_up_process
    1 5.5e-04 SELECT_DRIVE
    1 5.5e-04 __add_entropy_words
    1 5.5e-04 __d_path
    1 5.5e-04 __elv_add_request
    1 5.5e-04 __get_user_4
    1 5.5e-04 __insert_inode_hash
    1 5.5e-04 __map_syscall32
    1 5.5e-04 __pagevec_lru_add
    1 5.5e-04 __queue_work
    1 5.5e-04 __set_page_dirty_buffers
    1 5.5e-04 __unix_insert_socket
    1 5.5e-04 __wake_up_sync
    1 5.5e-04 _get_block_create_0
    1 5.5e-04 add_disk_randomness
    1 5.5e-04 add_input_randomness
    1 5.5e-04 anon_pipe_buf_release
    1 5.5e-04 anon_vma_link
    1 5.5e-04 as_antic_stop
    1 5.5e-04 as_choose_req
    1 5.5e-04 as_latter_request
    1 5.5e-04 as_merged_request
    1 5.5e-04 as_move_to_dispatch
    1 5.5e-04 as_remove_queued_request
    1 5.5e-04 as_remove_request
    1 5.5e-04 as_set_request
    1 5.5e-04 ata_input_data
    1 5.5e-04 ata_output_data
    1 5.5e-04 atapi_input_bytes
    1 5.5e-04 atkbd_interrupt
    1 5.5e-04 autofs4_dir_rmdir
    1 5.5e-04 autofs4_wait
    1 5.5e-04 autofs4_wait_release
    1 5.5e-04 autoremove_wake_function
    1 5.5e-04 balance_internal
    1 5.5e-04 bd_acquire
    1 5.5e-04 bio_endio
    1 5.5e-04 bio_phys_segments
    1 5.5e-04 bio_put
    1 5.5e-04 blk_get_backing_dev_info
    1 5.5e-04 blk_plug_device
    1 5.5e-04 blk_queue_bounce
    1 5.5e-04 blk_remove_plug
    1 5.5e-04 blkdev_open
    1 5.5e-04 calc_deleted_bytes_number
    1 5.5e-04 cap_bprm_apply_creds
    1 5.5e-04 cap_vm_enough_memory
    1 5.5e-04 cdev_put
    1 5.5e-04 cdrom_check_status
    1 5.5e-04 cdrom_decode_status
    1 5.5e-04 cdrom_get_media_event
    1 5.5e-04 cdrom_ioctl
    1 5.5e-04 cdrom_media_changed
    1 5.5e-04 cdrom_open
    1 5.5e-04 cdrom_saw_media_change
    1 5.5e-04 chrdev_open
    1 5.5e-04 complete
    1 5.5e-04 console_callback
    1 5.5e-04 copy_io_context
    1 5.5e-04 copy_item_head
    1 5.5e-04 copy_strings
    1 5.5e-04 copy_strings_kernel
    1 5.5e-04 copy_thread
    1 5.5e-04 cpufreq_frequency_table_verify
    1 5.5e-04 d_delete
    1 5.5e-04 d_invalidate
    1 5.5e-04 decrement_bcount
    1 5.5e-04 decrement_counters_in_path
    1 5.5e-04 destroy_context
    1 5.5e-04 devfs_d_delete
    1 5.5e-04 direntry_check_left
    1 5.5e-04 do_balance_mark_leaf_dirty
    1 5.5e-04 do_gettimeoffset_tsc
    1 5.5e-04 do_group_exit
    1 5.5e-04 do_open
    1 5.5e-04 do_set_thread_area
    1 5.5e-04 do_sysctl
    1 5.5e-04 do_writepages
    1 5.5e-04 drive_is_ready
    1 5.5e-04 end_edge_ioapic_irq
    1 5.5e-04 end_page_writeback
    1 5.5e-04 error_kernelspace
    1 5.5e-04 eventpoll_init_file
    1 5.5e-04 exit_mm
    1 5.5e-04 exit_sem
    1 5.5e-04 expand_stack
    1 5.5e-04 extract_entropy
    1 5.5e-04 file_move
    1 5.5e-04 filemap_fdatawait
    1 5.5e-04 filldir64
    1 5.5e-04 filp_close
    1 5.5e-04 find_inode
    1 5.5e-04 find_mergeable_anon_vma
    1 5.5e-04 flush_gart
    1 5.5e-04 flush_signal_handlers
    1 5.5e-04 flush_thread
    1 5.5e-04 free_buffer_head
    1 5.5e-04 generic_make_request
    1 5.5e-04 get_cnode
    1 5.5e-04 get_dcookie
    1 5.5e-04 get_empty_nodes
    1 5.5e-04 get_lfree
    1 5.5e-04 get_stack
    1 5.5e-04 get_third_component
    1 5.5e-04 ia32_setup_arg_pages
    1 5.5e-04 ide_dma_intr
    1 5.5e-04 ide_do_drive_cmd
    1 5.5e-04 ide_do_rw_cdrom
    1 5.5e-04 ide_do_rw_disk
    1 5.5e-04 ide_init_drive_cmd
    1 5.5e-04 idecd_open
    1 5.5e-04 idle_cpu
    1 5.5e-04 init_new_context
    1 5.5e-04 init_tb_struct
    1 5.5e-04 inode_change_ok
    1 5.5e-04 inode_get_bytes
    1 5.5e-04 invalidate_inode_buffers
    1 5.5e-04 invalidate_inode_pages
    1 5.5e-04 io_schedule_timeout
    1 5.5e-04 is_bad_inode
    1 5.5e-04 is_leaf_removable
    1 5.5e-04 kmem_freepages
    1 5.5e-04 kobject_get
    1 5.5e-04 kref_put
    1 5.5e-04 leaf_copy_boundary_item
    1 5.5e-04 leaf_delete_items
    1 5.5e-04 load_aout_binary
    1 5.5e-04 load_elf_interp
    1 5.5e-04 lookup_bdev
    1 5.5e-04 lru_add_drain
    1 5.5e-04 lru_cache_add
    1 5.5e-04 make_empty_dir_item
    1 5.5e-04 max_sane_readahead
    1 5.5e-04 mempool_free
    1 5.5e-04 mod_timer
    1 5.5e-04 move_page_tables
    1 5.5e-04 mpage_end_io_read
    1 5.5e-04 mpage_readpages
    1 5.5e-04 n_tty_receive_buf
    1 5.5e-04 nanosleep_restart
    1 5.5e-04 new_inode_init
    1 5.5e-04 next_thread
    1 5.5e-04 nf_queue
    1 5.5e-04 notify_change
    1 5.5e-04 page_put_link
    1 5.5e-04 pci_mmap_page_range
    1 5.5e-04 pipe_wait
    1 5.5e-04 pipe_write
    1 5.5e-04 pipe_write_fasync
    1 5.5e-04 pipefs_delete_dentry
    1 5.5e-04 prepare_to_wait_exclusive
    1 5.5e-04 profile_pc
    1 5.5e-04 prune_dcache
    1 5.5e-04 put_disk
    1 5.5e-04 put_filesystem
    1 5.5e-04 put_io_context
    1 5.5e-04 queue_delayed_work
    1 5.5e-04 radix_tree_gang_lookup
    1 5.5e-04 radix_tree_insert
    1 5.5e-04 rcu_check_callbacks
    1 5.5e-04 reiserfs_alloc_inode
    1 5.5e-04 reiserfs_can_fit_pages
    1 5.5e-04 reiserfs_create
    1 5.5e-04 reiserfs_delete_inode
    1 5.5e-04 reiserfs_delete_object
    1 5.5e-04 reiserfs_discard_prealloc
    1 5.5e-04 reiserfs_file_release
    1 5.5e-04 reiserfs_free_block
    1 5.5e-04 reiserfs_releasepage
    1 5.5e-04 reiserfs_set_page_dirty
    1 5.5e-04 reiserfs_writepage
    1 5.5e-04 release_thread
    1 5.5e-04 remove_save_link
    1 5.5e-04 retint_check
    1 5.5e-04 rff_action
    1 5.5e-04 schedule_work
    1 5.5e-04 scsi_cmd_ioctl
    1 5.5e-04 send_sig_info
    1 5.5e-04 set_parameters
    1 5.5e-04 set_task_comm
    1 5.5e-04 skb_release_data
    1 5.5e-04 snd_ctl_poll
    1 5.5e-04 sock_aio_dtor
    1 5.5e-04 sock_create_kern
    1 5.5e-04 sock_ioctl
    1 5.5e-04 sock_wake_async
    1 5.5e-04 sock_warn_obsolete_bsdism
    1 5.5e-04 sock_wmalloc
    1 5.5e-04 sprintf
    1 5.5e-04 strlcpy
    1 5.5e-04 strncmp
    1 5.5e-04 sync_blockdev
    1 5.5e-04 sync_sb_inodes
    1 5.5e-04 sys32_gettimeofday
    1 5.5e-04 sys32_mprotect
    1 5.5e-04 sys32_rt_sigaction
    1 5.5e-04 sys32_set_thread_area
    1 5.5e-04 sys_chdir
    1 5.5e-04 sys_close
    1 5.5e-04 sys_getppid
    1 5.5e-04 sys_getpriority
    1 5.5e-04 sys_lseek
    1 5.5e-04 sys_mkdir
    1 5.5e-04 sys_mount
    1 5.5e-04 sys_mremap
    1 5.5e-04 sys_nanosleep
    1 5.5e-04 sys_rmdir
    1 5.5e-04 sys_unlink
    1 5.5e-04 sysret_careful
    1 5.5e-04 test_clear_page_dirty
    1 5.5e-04 test_clear_page_writeback
    1 5.5e-04 try_to_release_page
    1 5.5e-04 tty_read
    1 5.5e-04 unix_dgram_disconnected
    1 5.5e-04 unix_find_other
    1 5.5e-04 unix_stream_connect
    1 5.5e-04 unlock_new_inode
    1 5.5e-04 vfs_lstat
    1 5.5e-04 vfs_rmdir
    1 5.5e-04 wait_for_completion
    1 5.5e-04 wait_on_page_writeback_range
    1 5.5e-04 write_new_vid

    samples % symbol name
    10604 8.1075 system_call
    8497 6.4965 __switch_to
    8041 6.1479 do_signal
    7712 5.8963 schedule
    6538 4.9987 __dequeue_signal
    6431 4.9169 find_pid
    5128 3.9207 memcpy
    5114 3.9100 __group_complete_signal
    4382 3.3503 sys_rt_sigsuspend
    3423 2.6171 try_to_wake_up
    3235 2.4734 sysret_check
    3211 2.4550 recalc_sigpending_tsk
    3152 2.4099 copy_user_generic_c
    3132 2.3946 get_signal_to_deliver
    3127 2.3908 acpi_processor_idle
    3021 2.3098 recalc_task_prio
    2823 2.1584 sys_rt_sigreturn
    2602 1.9894 kmem_cache_alloc
    2358 1.8028 kmem_cache_free
    2243 1.7149 timer_interrupt
    2181 1.6675 enqueue_task
    2110 1.6132 dequeue_signal
    1884 1.4404 kill_proc_info
    1870 1.4297 __group_send_sig_info
    1624 1.2417 sys_kill
    1414 1.0811 group_send_sig_info
    1358 1.0383 send_signal
    1234 0.9435 sys_rt_sigprocmask
    1179 0.9014 dequeue_task
    1108 0.8471 ptregscall_common
    1095 0.8372 retint_restore_args
    1045 0.7990 stub_rt_sigreturn
    968 0.7401 recalc_sigpending
    910 0.6958 ret_from_sys_call
    847 0.6476 effective_prio
    819 0.6262 signal_wake_up
    811 0.6201 do_sigaltstack
    724 0.5535 find_task_by_pid_type
    717 0.5482 finish_task_switch
    659 0.5038 stub_rt_sigsuspend
    509 0.3892 __sigqueue_alloc
    484 0.3701 sched_clock
    471 0.3601 retint_swapgs
    464 0.3548 task_rq_lock
    421 0.3219 task_curr
    343 0.2622 search_by_key
    302 0.2309 copy_to_user
    288 0.2202 check_kill_permission
    283 0.2164 handle_stop_signal
    275 0.2103 clear_page
    261 0.1996 sig_ignored
    240 0.1835 copy_from_user
    224 0.1713 int_ret_from_sys_call
    222 0.1697 unmap_vmas
    211 0.1613 thread_return
    196 0.1499 memmove
    189 0.1445 deactivate_task
    186 0.1422 __down_interruptible
    179 0.1369 get_stack
    178 0.1361 IRQ0x00_interrupt
    177 0.1353 apic_timer_interrupt
    160 0.1223 wake_up_state
    147 0.1124 create_virtual_node
    129 0.0986 free_uid
    120 0.0917 do_select
    116 0.0887 clear_page_range
    116 0.0887 ide_inb
    99 0.0757 find_vma
    91 0.0696 memset
    90 0.0688 __find_get_block
    78 0.0596 get_num_ver
    74 0.0566 page_fault
    71 0.0543 __up_read
    68 0.0520 unix_poll
    65 0.0497 ide_outb
    65 0.0497 unix_ioctl
    64 0.0489 copy_page
    63 0.0482 profile_hit
    58 0.0443 remove_wait_queue
    55 0.0421 __do_IRQ
    49 0.0375 buffered_rmqueue
    49 0.0375 pipe_poll
    46 0.0352 __pollwait
    45 0.0344 link_path_walk
    45 0.0344 sock_create_lite
    44 0.0336 __mod_page_state
    44 0.0336 do_no_page
    44 0.0336 i8042_interrupt
    43 0.0329 do_wait
    42 0.0321 __d_lookup
    42 0.0321 int_with_check
    40 0.0306 add_wait_queue
    40 0.0306 direntry_create_vi
    38 0.0291 scheduler_tick
    38 0.0291 sd_part_size
    37 0.0283 pci_conf1_read
    34 0.0260 fix_nodes
    33 0.0252 __kmalloc
    32 0.0245 __down_read
    32 0.0245 update_process_times
    31 0.0237 irq_exit
    29 0.0222 copy_process
    29 0.0222 direct_part_size
    29 0.0222 do_softirq
    29 0.0222 do_timer
    29 0.0222 iret_label
    29 0.0222 run_timer_softirq
    28 0.0214 do_page_fault
    28 0.0214 find_vma_prepare
    27 0.0206 handle_mm_fault
    27 0.0206 sys_mprotect
    27 0.0206 sys_poll
    26 0.0199 kfree
    26 0.0199 vfs_read
    25 0.0191 __do_softirq
    25 0.0191 cpu_idle
    24 0.0183 find_vma_prev
    24 0.0183 free_block
    24 0.0183 free_pages_bulk
    24 0.0183 handle_IRQ_event
    23 0.0176 __alloc_pages
    23 0.0176 ide_outsl
    23 0.0176 raise_softirq
    23 0.0176 ret_from_intr
    23 0.0176 sd_create_vi
    22 0.0168 number
    22 0.0168 reiserfs_prepare_for_journal
    21 0.0161 copy_page_range
    21 0.0161 do_munmap
    21 0.0161 poll_freewait
    20 0.0153 ll_rw_block
    20 0.0153 pipe_writev
    20 0.0153 sleep_on_timeout
    19 0.0145 do_mmap_pgoff
    18 0.0138 direntry_part_size
    18 0.0138 free_hot_cold_page
    18 0.0138 journal_mark_dirty
    18 0.0138 rb_erase
    18 0.0138 reiserfs_restore_prepared_buffer
    18 0.0138 strncpy_from_user
    18 0.0138 sys_select
    17 0.0130 bit_waitqueue
    16 0.0122 __down_write
    16 0.0122 __mod_timer
    16 0.0122 normal_poll
    16 0.0122 pte_alloc_map
    15 0.0115 __wake_up_bit
    15 0.0115 account_it_prof
    15 0.0115 eligible_child
    15 0.0115 error_exit
    15 0.0115 filemap_nopage
    15 0.0115 ide_insl
    15 0.0115 rw_verify_area
    15 0.0115 unfix_nodes
    15 0.0115 zone_watermark_ok
    14 0.0107 common_interrupt
    14 0.0107 do_exit
    14 0.0107 do_wp_page
    14 0.0107 mark_page_accessed
    14 0.0107 pipe_readv
    14 0.0107 smp_local_timer_interrupt
    14 0.0107 vma_merge
    14 0.0107 vsnprintf
    13 0.0099 __page_cache_release
    13 0.0099 fget
    13 0.0099 reiserfs_readdir
    13 0.0099 tty_poll
    12 0.0092 __wake_up_common
    12 0.0092 leaf_delete_items_entirely
    12 0.0092 pathrelse_and_restore
    12 0.0092 profile_tick
    12 0.0092 vfs_write
    12 0.0092 vma_adjust
    11 0.0084 IRQ0x10_interrupt
    11 0.0084 __getblk
    11 0.0084 __wake_up
    11 0.0084 dput
    11 0.0084 fput
    11 0.0084 free_hot_page
    11 0.0084 path_lookup
    11 0.0084 strnlen_user
    11 0.0084 unix_stream_sendmsg
    11 0.0084 wait_tb_buffers_until_unlocked
    11 0.0084 wake_up_bit
    10 0.0076 bad_range
    10 0.0076 cache_reap
    10 0.0076 cond_resched
    10 0.0076 do_balance
    10 0.0076 update_mem_hiwater
    9 0.0069 account_system_time
    9 0.0069 generic_delete_inode
    9 0.0069 ide_outbsync
    9 0.0069 lru_cache_add_active
    9 0.0069 schedule_timeout
    9 0.0069 strlen
    9 0.0069 sys_nanosleep
    9 0.0069 unlock_buffer
    8 0.0061 __get_free_pages
    8 0.0061 __pagevec_lru_add_active
    8 0.0061 __reiserfs_permission
    8 0.0061 __rmqueue
    8 0.0061 __up_write
    8 0.0061 cache_alloc_refill
    8 0.0061 check_left
    8 0.0061 do_arch_prctl
    8 0.0061 note_interrupt
    8 0.0061 notifier_call_chain
    8 0.0061 rb_insert_color
    8 0.0061 reiserfs_update_sd_size
    8 0.0061 sys_read
    8 0.0061 tty_ldisc_try
    7 0.0054 attach_pid
    7 0.0054 check_rlimit
    7 0.0054 expand_files
    7 0.0054 inode2sd
    7 0.0054 permission
    7 0.0054 prio_tree_insert
    7 0.0054 radix_tree_lookup
    7 0.0054 remove_vm_struct
    7 0.0054 seq_printf
    7 0.0054 set_page_dirty
    7 0.0054 sys_ioctl
    7 0.0054 unix_stream_recvmsg
    7 0.0054 vfs_ioctl
    6 0.0046 IRQ0x0f_interrupt
    6 0.0046 __fput
    6 0.0046 arch_get_unmapped_area
    6 0.0046 cdrom_decode_status
    6 0.0046 del_timer
    6 0.0046 detach_pid
    6 0.0046 direct_create_vi
    6 0.0046 do_IRQ
    6 0.0046 do_journal_end
    6 0.0046 do_readv_writev
    6 0.0046 do_sync_read
    6 0.0046 end_edge_ioapic_irq
    6 0.0046 error_sti
    6 0.0046 find_get_page
    6 0.0046 get_parents
    6 0.0046 get_zeroed_page
    6 0.0046 inotify_inode_queue_event
    6 0.0046 leaf_cut_from_buffer
    6 0.0046 mmput
    6 0.0046 put_page
    6 0.0046 reiserfs_find_entry
    6 0.0046 reiserfs_permission
    6 0.0046 release_pages
    6 0.0046 sigprocmask
    6 0.0046 sys_munmap
    6 0.0046 sys_write
    6 0.0046 update_atime
    5 0.0038 __brelse
    5 0.0038 __rb_rotate_right
    5 0.0038 as_insert_request
    5 0.0038 copy_user_generic
    5 0.0038 cp_new_stat
    5 0.0038 current_fs_time
    5 0.0038 default_wake_function
    5 0.0038 do_ioctl
    5 0.0038 do_notify_parent
    5 0.0038 free_page_and_swap_cache
    5 0.0038 free_pages
    5 0.0038 get_neighbors
    5 0.0038 getname
    5 0.0038 ide_do_request
    5 0.0038 indirect_part_size
    5 0.0038 input_event
    5 0.0038 page_add_anon_rmap
    5 0.0038 reiserfs_delete_solid_item
    5 0.0038 search_by_entry_key
    5 0.0038 split_vma
    5 0.0038 sys_fcntl
    5 0.0038 sys_getdents64
    4 0.0031 SHATransform
    4 0.0031 __exit_signal
    4 0.0031 __rb_rotate_left
    4 0.0031 __unix_find_socket_byname
    4 0.0031 _reiserfs_free_block
    4 0.0031 account_user_time
    4 0.0031 add_save_link
    4 0.0031 anon_vma_prepare
    4 0.0031 cap_capable
    4 0.0031 check_right
    4 0.0031 comp_items
    4 0.0031 copy_namespace
    4 0.0031 copy_thread
    4 0.0031 do_group_exit
    4 0.0031 do_journal_begin_r
    4 0.0031 find_next_zero_bit
    4 0.0031 get_task_mm
    4 0.0031 gs_change
    4 0.0031 inotify_dentry_parent_queue_event
    4 0.0031 internal_add_timer
    4 0.0031 kprobe_exceptions_notify
    4 0.0031 load_elf_binary
    4 0.0031 make_le_item_head
    4 0.0031 may_open
    4 0.0031 mousedev_packet
    4 0.0031 poll_initwait
    4 0.0031 profile_pc
    4 0.0031 pty_chars_in_buffer
    4 0.0031 read_chan
    4 0.0031 reiserfs_cut_from_item
    4 0.0031 reiserfs_set_page_dirty
    4 0.0031 release_task
    4 0.0031 run_local_timers
    4 0.0031 snd_ctl_read
    4 0.0031 sys_getppid
    4 0.0031 sys_unlink
    4 0.0031 sys_writev
    4 0.0031 timespec_trunc
    4 0.0031 vma_prio_tree_add
    4 0.0031 wake_up_process
    3 0.0023 __anon_vma_link
    3 0.0023 __down_read_trylock
    3 0.0023 __ide_set_handler
    3 0.0023 __unhash_process
    3 0.0023 __vm_enough_memory
    3 0.0023 __vm_stat_account
    3 0.0023 __wake_up_sync
    3 0.0023 ack_edge_ioapic_irq
    3 0.0023 can_share_swap_page
    3 0.0023 cap_vm_enough_memory
    3 0.0023 cdrom_ioctl
    3 0.0023 decrement_bcount
    3 0.0023 device_not_available
    3 0.0023 dma_map_sg
    3 0.0023 do_fork
    3 0.0023 do_generic_mapping_read
    3 0.0023 do_lookup
    3 0.0023 drain_array_locked
    3 0.0023 error_entry
    3 0.0023 exit_intr
    3 0.0023 fget_light
    3 0.0023 flush_sigqueue
    3 0.0023 generic_drop_inode
    3 0.0023 generic_fillattr
    3 0.0023 get_super
    3 0.0023 get_unused_fd
    3 0.0023 indirect_create_vi
    3 0.0023 inode_update_time
    3 0.0023 journal_begin
    3 0.0023 leaf_copy_items_entirely
    3 0.0023 leaf_insert_into_buf
    3 0.0023 leaf_move_items
    3 0.0023 math_state_restore
    3 0.0023 n_tty_chars_in_buffer
    3 0.0023 open_namei
    3 0.0023 out_of_line_wait_on_bit_lock
    3 0.0023 pathrelse
    3 0.0023 pipe_write
    3 0.0023 prio_tree_replace
    3 0.0023 radix_tree_tag_set
    3 0.0023 reiserfs_delete_object
    3 0.0023 reiserfs_insert_item
    3 0.0023 reiserfs_new_inode
    3 0.0023 sd_is_left_mergeable
    3 0.0023 smp_apic_timer_interrupt
    3 0.0023 sock_aio_read
    3 0.0023 sock_def_error_report
    3 0.0023 sock_ioctl
    3 0.0023 sys_open
    3 0.0023 task_timeslice
    3 0.0023 unix_shutdown
    3 0.0023 vfs_getattr
    3 0.0023 vfs_unlink
    3 0.0023 wake_up_new_task
    2 0.0015 __detach_pid
    2 0.0015 __end_that_request_first
    2 0.0015 __free_pages
    2 0.0015 __kfree_skb
    2 0.0015 __set_page_dirty_buffers
    2 0.0015 __vma_link
    2 0.0015 _make_cpu_key
    2 0.0015 alloc_pidmap
    2 0.0015 anon_pipe_buf_map
    2 0.0015 as_next_request
    2 0.0015 as_queue_empty
    2 0.0015 ata_input_data
    2 0.0015 blkdev_open
    2 0.0015 calc_deleted_bytes_number
    2 0.0015 can_vma_merge_after
    2 0.0015 cdrom_pc_intr
    2 0.0015 cdrom_queue_packet_command
    2 0.0015 clear_all_dirty_bits
    2 0.0015 console_conditional_schedule
    2 0.0015 copy_item_head
    2 0.0015 copy_semundo
    2 0.0015 direntry_check_right
    2 0.0015 direntry_is_left_mergeable
    2 0.0015 dlci_ioctl_set
    2 0.0015 dnotify_parent
    2 0.0015 do_balance_mark_leaf_dirty
    2 0.0015 do_setitimer
    2 0.0015 do_sigaction
    2 0.0015 do_sync_write
    2 0.0015 end_level_ioapic_irq
    2 0.0015 exit_mm
    2 0.0015 fb_flashcursor
    2 0.0015 filp_close
    2 0.0015 find_get_pages
    2 0.0015 flush_signal_handlers
    2 0.0015 follow_mount
    2 0.0015 get_cnode
    2 0.0015 get_disk
    2 0.0015 get_empty_filp
    2 0.0015 get_rfree
    2 0.0015 get_unmapped_area
    2 0.0015 groups_search
    2 0.0015 ide_do_rw_cdrom
    2 0.0015 ide_intr
    2 0.0015 in_group_p
    2 0.0015 indirect_is_left_mergeable
    2 0.0015 kernel_recvmsg
    2 0.0015 kill_fasync
    2 0.0015 make_cpu_key
    2 0.0015 memcpy_toiovec
    2 0.0015 mousedev_notify_readers
    2 0.0015 n_tty_receive_room
    2 0.0015 page_add_file_rmap
    2 0.0015 page_remove_rmap
    2 0.0015 pci_vector_resources
    2 0.0015 prepare_for_delete_or_cut
    2 0.0015 proc_pid_unhash
    2 0.0015 pskb_put
    2 0.0015 r5_hash
    2 0.0015 radix_tree_tag_clear
    2 0.0015 reiserfs_add_entry
    2 0.0015 reiserfs_allocate_blocknrs
    2 0.0015 reiserfs_commit_page
    2 0.0015 reiserfs_do_truncate
    2 0.0015 reiserfs_file_release
    2 0.0015 reiserfs_in_journal
    2 0.0015 reiserfs_rmdir
    2 0.0015 release_thread
    2 0.0015 rh_report_status
    2 0.0015 sched_exit
    2 0.0015 sched_fork
    2 0.0015 set_page_refs
    2 0.0015 show_stat
    2 0.0015 shrink_dcache_parent
    2 0.0015 sys_arch_prctl
    2 0.0015 sys_chdir
    2 0.0015 sys_close
    2 0.0015 sys_mmap
    2 0.0015 sys_rt_sigaction
    2 0.0015 sysret_careful
    2 0.0015 tasklet_action
    2 0.0015 tty_ldisc_deref
    2 0.0015 vfs_fstat
    2 0.0015 vfs_lstat
    2 0.0015 vfs_mkdir
    2 0.0015 vfs_readdir
    2 0.0015 vfs_rmdir
    2 0.0015 wait_for_completion
    2 0.0015 worker_thread
    2 0.0015 write_chan
    1 7.6e-04 IRQ0x01_interrupt
    1 7.6e-04 IRQ0x0c_interrupt
    1 7.6e-04 SELECT_DRIVE
    1 7.6e-04 ___pskb_trim
    1 7.6e-04 __add_entropy_words
    1 7.6e-04 __block_prepare_write
    1 7.6e-04 __block_write_full_page
    1 7.6e-04 __clear_user
    1 7.6e-04 __do_page_cache_readahead
    1 7.6e-04 __elv_add_request
    1 7.6e-04 __freed_request
    1 7.6e-04 __generic_file_aio_read
    1 7.6e-04 __get_xa_root
    1 7.6e-04 __getblk_slow
    1 7.6e-04 __kill_fasync
    1 7.6e-04 __mark_inode_dirty
    1 7.6e-04 __set_page_dirty_nobuffers
    1 7.6e-04 __vma_link_rb
    1 7.6e-04 add_timer_randomness
    1 7.6e-04 anon_pipe_buf_release
    1 7.6e-04 arch_unmap_area
    1 7.6e-04 as_add_arq_hash
    1 7.6e-04 as_add_arq_rb
    1 7.6e-04 as_antic_stop
    1 7.6e-04 as_merge
    1 7.6e-04 atapi_output_bytes
    1 7.6e-04 atkbd_event
    1 7.6e-04 bdget
    1 7.6e-04 bio_endio
    1 7.6e-04 blk_get_queue
    1 7.6e-04 blkdev_ioctl
    1 7.6e-04 block_ioctl
    1 7.6e-04 blockable_page_cache_readahead
    1 7.6e-04 can_dirty
    1 7.6e-04 cascade
    1 7.6e-04 cdrom_check_status
    1 7.6e-04 cdrom_do_pc_continuation
    1 7.6e-04 cdrom_end_request
    1 7.6e-04 cdrom_media_changed
    1 7.6e-04 cdrom_read_toc
    1 7.6e-04 check_disk_change
    1 7.6e-04 check_unthrottle
    1 7.6e-04 clear_inode
    1 7.6e-04 clear_page_dirty_for_io
    1 7.6e-04 complete
    1 7.6e-04 con_chars_in_buffer
    1 7.6e-04 cond_resched_lock
    1 7.6e-04 console_callback
    1 7.6e-04 copy_files
    1 7.6e-04 copy_strings
    1 7.6e-04 cursor_timer_handler
    1 7.6e-04 d_instantiate
    1 7.6e-04 dcache_dir_open
    1 7.6e-04 decrement_counters_in_path
    1 7.6e-04 delayed_work_timer_fn
    1 7.6e-04 destroy_context
    1 7.6e-04 dnotify_flush
    1 7.6e-04 do_execve
    1 7.6e-04 do_gettimeoffset_tsc
    1 7.6e-04 do_mremap
    1 7.6e-04 do_pipe
    1 7.6e-04 do_posix_clock_monotonic_gettime
    1 7.6e-04 do_posix_clock_monotonic_gettime_parts
    1 7.6e-04 end_bio_bh_io_sync
    1 7.6e-04 end_buffer_write_sync
    1 7.6e-04 fd_install
    1 7.6e-04 file_read_actor
    1 7.6e-04 filemap_fdatawrite
    1 7.6e-04 filldir64
    1 7.6e-04 filp_open
    1 7.6e-04 find_first_zero_bit
    1 7.6e-04 find_mergeable_anon_vma
    1 7.6e-04 finish_wait
    1 7.6e-04 flush_old_exec
    1 7.6e-04 free_pipe_info
    1 7.6e-04 generic_file_mmap
    1 7.6e-04 get_empty_nodes
    1 7.6e-04 get_far_parent
    1 7.6e-04 get_index
    1 7.6e-04 get_request
    1 7.6e-04 get_third_component
    1 7.6e-04 i8042_timer_func
    1 7.6e-04 ide_build_sglist
    1 7.6e-04 ide_cdrom_check_media_change_real
    1 7.6e-04 ide_cdrom_prep_fn
    1 7.6e-04 ide_do_drive_cmd
    1 7.6e-04 ide_do_rw_disk
    1 7.6e-04 ide_end_request
    1 7.6e-04 ide_insw
    1 7.6e-04 ide_outl
    1 7.6e-04 ide_wait_stat
    1 7.6e-04 iget5_locked
    1 7.6e-04 init_cdrom_command
    1 7.6e-04 init_once
    1 7.6e-04 init_tb_struct
    1 7.6e-04 inode_add_bytes
    1 7.6e-04 inode_has_buffers
    1 7.6e-04 inotify_inode_is_dead
    1 7.6e-04 int_restore_rest
    1 7.6e-04 internal_delete_pointers_items
    1 7.6e-04 iput
    1 7.6e-04 is_leaf_removable
    1 7.6e-04 kernel_read
    1 7.6e-04 keyed_hash
    1 7.6e-04 kill_bdev
    1 7.6e-04 kmem_freepages
    1 7.6e-04 kthread_should_stop
    1 7.6e-04 leaf_copy_boundary_item
    1 7.6e-04 leaf_delete_items
    1 7.6e-04 load_elf_interp
    1 7.6e-04 locks_remove_posix
    1 7.6e-04 lookup_mnt
    1 7.6e-04 lru_add_drain
    1 7.6e-04 make_empty_dir_item
    1 7.6e-04 mm_alloc
    1 7.6e-04 mm_release
    1 7.6e-04 mousedev_poll
    1 7.6e-04 mpage_writepages
    1 7.6e-04 n_tty_ioctl
    1 7.6e-04 n_tty_receive_buf
    1 7.6e-04 new_inode
    1 7.6e-04 path_release
    1 7.6e-04 pipe_read
    1 7.6e-04 pipe_wait
    1 7.6e-04 prepare_to_copy
    1 7.6e-04 prio_tree_remove
    1 7.6e-04 pty_write_room
    1 7.6e-04 radix_tree_gang_lookup_tag
    1 7.6e-04 reiserfs_async_progress_wait
    1 7.6e-04 reiserfs_cache_default_acl
    1 7.6e-04 reiserfs_discard_all_prealloc
    1 7.6e-04 reiserfs_end_ordered_io
    1 7.6e-04 reiserfs_file_write
    1 7.6e-04 reiserfs_get_block
    1 7.6e-04 reiserfs_get_unused_objectid
    1 7.6e-04 reiserfs_invalidatepage
    1 7.6e-04 reiserfs_lookup
    1 7.6e-04 reiserfs_mkdir
    1 7.6e-04 reiserfs_paste_into_item
    1 7.6e-04 reiserfs_release_objectid
    1 7.6e-04 reiserfs_unmap_buffer
    1 7.6e-04 reiserfs_update_inode_transaction
    1 7.6e-04 remove_save_link
    1 7.6e-04 retint_check
    1 7.6e-04 scan_bitmap_block
    1 7.6e-04 sd_check_left
    1 7.6e-04 seq_lseek
    1 7.6e-04 serio_interrupt
    1 7.6e-04 set_fs_pwd
    1 7.6e-04 skb_clone
    1 7.6e-04 skb_copy_and_csum_dev
    1 7.6e-04 skb_copy_bits
    1 7.6e-04 skb_queue_purge
    1 7.6e-04 sock_readv
    1 7.6e-04 sock_readv_writev
    1 7.6e-04 sock_sendmsg
    1 7.6e-04 sock_sendpage
    1 7.6e-04 sys_brk
    1 7.6e-04 sys_exit_group
    1 7.6e-04 sys_mkdir
    1 7.6e-04 sys_newfstat
    1 7.6e-04 sys_newlstat
    1 7.6e-04 sys_rmdir
    1 7.6e-04 sys_wait4
    1 7.6e-04 tty_check_change
    1 7.6e-04 tty_ioctl
    1 7.6e-04 tty_ldisc_ref_wait
    1 7.6e-04 tty_write
    1 7.6e-04 unix_dgram_sendmsg
    1 7.6e-04 unix_write_space
    1 7.6e-04 unlock_page
    1 7.6e-04 vfs_rename
    1 7.6e-04 vma_link
    1 7.6e-04 vma_prio_tree_remove

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      Last update: 2005-05-10 03:37    [W:0.120 / U:29.896 seconds]
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