--- /dev/null
+CPU: Core 2, speed 2133.47 MHz (estimated)
+Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (Unhalted core cycles) count 100000
+samples % symbol name
+28541 37.5574 delay_tsc
+5318 6.9980 schedule
+4957 6.5230 mwait_idle_with_hints
+4782 6.2927 system_call
+2731 3.5938 task_rq_lock
+1545 2.0331 __copy_to_user_ll
+1027 1.3514 __switch_to
+947 1.2462 resched_task
+933 1.2277 do_select
+892 1.1738 getnstimeofday
+871 1.1462 unix_poll
+860 1.1317 enqueue_task
+719 0.9461 find_busiest_group
+700 0.9211 __copy_from_user_ll
+681 0.8961 unix_stream_recvmsg
+678 0.8922 unix_stream_sendmsg
+677 0.8909 find_vma
+656 0.8632 sched_clock
+579 0.7619 skb_dequeue
+569 0.7488 try_to_wake_up
+564 0.7422 sock_wfree
+505 0.6645 mwait_idle
+501 0.6593 do_sys_poll
+477 0.6277 __wake_up
+405 0.5329 sock_def_readable
+401 0.5277 read_tsc
+400 0.5264 sock_alloc_send_skb
+397 0.5224 __wake_up_common
+377 0.4961 unix_write_space
+376 0.4948 restore_nocheck
+376 0.4948 sock_poll
+369 0.4856 dnotify_parent
+365 0.4803 effective_prio
+340 0.4474 fget_light
+339 0.4461 timer_interrupt
+332 0.4369 remove_wait_queue
+332 0.4369 syscall_exit
+331 0.4356 __alloc_skb
+294 0.3869 ktime_get_ts
+264 0.3474 __kmalloc
+252 0.3316 add_wait_queue
+247 0.3250 copy_to_user
+239 0.3145 cpu_idle
+234 0.3079 __pollwait
+228 0.3000 sys_clock_gettime
+227 0.2987 kmem_cache_alloc
+226 0.2974 cond_resched
+224 0.2948 skb_queue_tail
+218 0.2869 do_readv_writev
+218 0.2869 sock_aio_read
+214 0.2816 core_sys_select
+210 0.2763 mutex_lock
+200 0.2632 tty_ldisc_deref
+194 0.2553 tty_ldisc_try
+177 0.2329 recalc_task_prio
+169 0.2224 kfree
+169 0.2224 lock_timer_base
+165 0.2171 normal_poll
+159 0.2092 do_gettimeofday
+156 0.2053 kmem_cache_free
+150 0.1974 do_sync_readv_writev
+150 0.1974 find_next_bit
+144 0.1895 sys_read
+139 0.1829 vfs_read
+138 0.1816 sock_aio_write
+138 0.1816 sys_select
+133 0.1750 copy_from_user
+132 0.1737 schedule_timeout
+131 0.1724 do_sync_read
+131 0.1724 fput
+129 0.1698 memcpy_fromiovec
+126 0.1658 tty_poll
+123 0.1619 memcpy
+119 0.1566 restore_all
+118 0.1553 rw_verify_area
+109 0.1434 mutex_unlock
+107 0.1408 memcpy_toiovec
+103 0.1355 rw_copy_check_uvector
+102 0.1342 free_poll_entry
+97 0.1276 inotify_inode_queue_event
+95 0.1250 vfs_write
+92 0.1211 skb_queue_head
+87 0.1145 poll_freewait
+86 0.1132 dequeue_task
+86 0.1132 sys_poll
+85 0.1119 __d_lookup
+85 0.1119 skb_release_data
+76 0.1000 page_fault
+74 0.0974 sys_readv
+71 0.0934 sys_writev
+66 0.0869 __first_cpu
+65 0.0855 try_to_del_timer_sync
+64 0.0842 __mod_timer
+62 0.0816 __next_cpu
+62 0.0816 set_normalized_timespec
+57 0.0750 __kfree_skb
+56 0.0737 alloc_sock_iocb
+52 0.0684 apic_timer_interrupt
+50 0.0658 do_sync_write
+49 0.0645 kfree_skb
+48 0.0632 profile_hit
+46 0.0605 posix_ktime_get_ts
+44 0.0579 __link_path_walk
+41 0.0540 deactivate_task
+40 0.0526 syscall_call
+36 0.0474 _atomic_dec_and_lock
+35 0.0461 sys_write
+34 0.0447 default_wake_function
+33 0.0434 kfree_skbmem
+31 0.0408 __handle_mm_fault
+31 0.0408 inotify_dentry_parent_queue_event
+30 0.0395 irq_entries_start
+29 0.0382 dummy_file_permission
+29 0.0382 dummy_socket_getpeersec_dgram
+28 0.0368 sys_gettimeofday
+27 0.0355 __activate_task
+26 0.0342 tty_ldisc_ref_wait
+24 0.0316 memcmp
+21 0.0276 dummy_socket_recvmsg
+21 0.0276 tty_paranoia_check
+20 0.0263 hrtimer_run_queues
+19 0.0250 __find_get_block
+19 0.0250 __switch_to_xtra
+18 0.0237 do_timer
+18 0.0237 get_task_mm
+18 0.0237 handle_edge_irq
+17 0.0224 con_write_room
+17 0.0224 del_timer_sync
+17 0.0224 vfs_writev
+16 0.0211 init_timer
+16 0.0211 internal_add_timer
+15 0.0197 get_page_from_freelist
+14 0.0184 no_singlestep
+13 0.0171 do_page_fault
+13 0.0171 do_wp_page
+13 0.0171 find_next_zero_bit
+13 0.0171 strncpy_from_user
+13 0.0171 unmap_vmas
+12 0.0158 do_lookup
+12 0.0158 run_timer_softirq
+11 0.0145 find_get_page
+11 0.0145 permission
+11 0.0145 rebalance_tick
+10 0.0132 block_read_full_page
+9 0.0118 dummy_socket_sendmsg
+9 0.0118 radix_tree_lookup
+8 0.0105 __wake_up_bit
+8 0.0105 drain_array
+8 0.0105 up_read
+8 0.0105 vfs_readv
+8 0.0105 work_resched
+7 0.0092 clocksource_get_next
+7 0.0092 down_read_trylock
+7 0.0092 free_block
+7 0.0092 page_remove_rmap
+7 0.0092 raise_softirq
+7 0.0092 update_process_times
+6 0.0079 con_chars_in_buffer
+6 0.0079 do_path_lookup
+6 0.0079 do_softirq
+6 0.0079 down_read
+6 0.0079 filemap_nopage
+6 0.0079 notifier_call_chain
+6 0.0079 nr_active
+6 0.0079 release_pages
+6 0.0079 resume_userspace
+6 0.0079 run_posix_cpu_timers
+6 0.0079 tty_hung_up_p
+5 0.0066 __brelse
+5 0.0066 __rcu_process_callbacks
+5 0.0066 bit_waitqueue
+5 0.0066 copy_page_range
+5 0.0066 dput
+5 0.0066 find_vma_prepare
+5 0.0066 kunmap_atomic
+5 0.0066 page_address
+5 0.0066 scheduler_tick
+4 0.0053 __rmqueue
+4 0.0053 add_to_page_cache
+4 0.0053 alloc_inode
+4 0.0053 copy_process
+4 0.0053 d_alloc
+4 0.0053 handle_IRQ_event
+4 0.0053 mmput
+4 0.0053 page_add_file_rmap
+4 0.0053 vsnprintf
+3 0.0039 __add_entropy_words
+3 0.0039 __dec_zone_page_state
+3 0.0039 __mark_inode_dirty
+3 0.0039 cache_alloc_refill
+3 0.0039 cache_reap
+3 0.0039 current_fs_time
+3 0.0039 d_rehash
+3 0.0039 do_mpage_readpage
+3 0.0039 down_write
+3 0.0039 error_code
+3 0.0039 find_get_pages
+3 0.0039 free_pgtables
+3 0.0039 generic_permission
+3 0.0039 irq_exit
+3 0.0039 link_path_walk
+3 0.0039 math_state_restore
+3 0.0039 new_inode
+3 0.0039 profile_tick
+3 0.0039 put_page
+3 0.0039 ret_from_exception
+3 0.0039 sys_mprotect
+3 0.0039 truncate_inode_pages_range
+3 0.0039 unlock_buffer
+2 0.0026 __anon_vma_link
+2 0.0026 __ata_qc_complete
+2 0.0026 __block_prepare_write
+2 0.0026 __find_get_block_slow
+2 0.0026 __getblk
+2 0.0026 __inc_zone_page_state
+2 0.0026 __lookup_hash
+2 0.0026 _local_bh_enable
+2 0.0026 ahci_stop_engine
+2 0.0026 anon_vma_prepare
+2 0.0026 call_rcu
+2 0.0026 do_IRQ
+2 0.0026 do_mmap_pgoff
+2 0.0026 do_munmap
+2 0.0026 do_sys_ftruncate
+2 0.0026 fd_install
+2 0.0026 find_vma_prev
+2 0.0026 free_pages_and_swap_cache
+2 0.0026 generic_file_open
+2 0.0026 get_empty_filp
+2 0.0026 load_elf_binary
+2 0.0026 open_namei
+2 0.0026 percpu_counter_mod
+2 0.0026 prio_tree_insert
+2 0.0026 prio_tree_remove
+2 0.0026 sigprocmask
+2 0.0026 smp_apic_timer_interrupt
+2 0.0026 softlockup_tick
+2 0.0026 sys_mkdirat
+2 0.0026 tcp_transmit_skb
+2 0.0026 test_clear_page_dirty
+2 0.0026 vm_stat_account
+2 0.0026 vma_prio_tree_insert
+2 0.0026 work_pending
+1 0.0013 __alloc_pages
+1 0.0013 __ata_eh_qc_complete
+1 0.0013 __bread
+1 0.0013 __copy_from_user_ll_nozero
+1 0.0013 __dentry_open
+1 0.0013 __do_page_cache_readahead
+1 0.0013 __do_softirq
+1 0.0013 __follow_mount
+1 0.0013 __fput
+1 0.0013 __generic_file_aio_write_nolock
+1 0.0013 __inc_zone_state
+1 0.0013 __insert_inode_hash
+1 0.0013 __lookup_mnt
+1 0.0013 __pagevec_lru_add
+1 0.0013 __pagevec_lru_add_active
+1 0.0013 __path_lookup_intent_open
+1 0.0013 __pte_alloc
+1 0.0013 __rcu_pending
+1 0.0013 __remove_shared_vm_struct
+1 0.0013 __tasklet_schedule
+1 0.0013 __vma_link_rb
+1 0.0013 acct_collect
+1 0.0013 ack_ioapic_irq
+1 0.0013 ahci_interrupt
+1 0.0013 ahci_qc_issue
+1 0.0013 ahci_start_engine
+1 0.0013 ahci_tf_read
+1 0.0013 alloc_pid
+1 0.0013 arch_get_unmapped_area_topdown
+1 0.0013 arch_setup_additional_pages
+1 0.0013 as_completed_request
+1 0.0013 as_may_queue
+1 0.0013 ata_port_flush_task
+1 0.0013 ata_qc_complete
+1 0.0013 ata_qc_issue
+1 0.0013 atomic_notifier_call_chain
+1 0.0013 balance_dirty_pages_ratelimited_nr
+1 0.0013 blockable_page_cache_readahead
+1 0.0013 cache_flusharray
+1 0.0013 check_userspace
+1 0.0013 clear_bdi_congested
+1 0.0013 common_interrupt
+1 0.0013 copy_thread_group_keys
+1 0.0013 cp_new_stat64
+1 0.0013 dentry_iput
+1 0.0013 dequeue_signal
+1 0.0013 destroy_inode
+1 0.0013 dev_watchdog
+1 0.0013 do_generic_mapping_read
+1 0.0013 do_mremap
+1 0.0013 do_notify_parent
+1 0.0013 do_notify_resume
+1 0.0013 dummy_file_alloc_security
+1 0.0013 dup_fd
+1 0.0013 exit_itimers
+1 0.0013 fget
+1 0.0013 file_ra_state_init
+1 0.0013 file_update_time
+1 0.0013 filp_close
+1 0.0013 find_lock_page
+1 0.0013 flush_old_exec
+1 0.0013 flush_tlb_mm
+1 0.0013 flush_tlb_page
+1 0.0013 free_buffer_head
+1 0.0013 free_hot_cold_page
+1 0.0013 getname
+1 0.0013 groups_search
+1 0.0013 handle_stop_signal
+1 0.0013 hrtimer_start
+1 0.0013 idle_cpu
+1 0.0013 in_lock_functions
+1 0.0013 init_page_buffers
+1 0.0013 inode_change_ok
+1 0.0013 ioread32
+1 0.0013 ip_queue_xmit
+1 0.0013 kmap_atomic
+1 0.0013 ll_rw_block
+1 0.0013 lookup_create
+1 0.0013 lru_cache_add
+1 0.0013 lru_cache_add_active
+1 0.0013 mark_page_accessed
+1 0.0013 may_expand_vm
+1 0.0013 may_open
+1 0.0013 mempool_alloc
+1 0.0013 mntput_no_expire
+1 0.0013 move_native_irq
+1 0.0013 mpage_readpage
+1 0.0013 note_interrupt
+1 0.0013 packet_rcv_spkt
+1 0.0013 page_cache_readahead
+1 0.0013 page_mkclean
+1 0.0013 proc_lookup
+1 0.0013 profile_pc
+1 0.0013 put_files_struct
+1 0.0013 radix_tree_insert
+1 0.0013 radix_tree_preload
+1 0.0013 rb_insert_color
+1 0.0013 rcu_check_callbacks
+1 0.0013 rcu_pending
+1 0.0013 rcu_start_batch
+1 0.0013 refresh_cpu_vm_stats
+1 0.0013 release_task
+1 0.0013 run_workqueue
+1 0.0013 scsi_get_command
+1 0.0013 scsi_release_buffers
+1 0.0013 search_binary_handler
+1 0.0013 set_bh_page
+1 0.0013 set_page_dirty
+1 0.0013 sha_transform
+1 0.0013 show_vfsmnt
+1 0.0013 sk_stream_mem_schedule
+1 0.0013 static_prio_timeslice
+1 0.0013 strnlen_user
+1 0.0013 sys_access
+1 0.0013 sys_dup2
+1 0.0013 sys_getsockname
+1 0.0013 sys_mkdir
+1 0.0013 sys_rt_sigprocmask
+1 0.0013 tcp_v4_rcv
+1 0.0013 try_to_free_buffers
+1 0.0013 tty_read
+1 0.0013 unlink_file_vma
+1 0.0013 unlock_page
+1 0.0013 unmap_mapping_range
+1 0.0013 vfs_mkdir
+1 0.0013 vma_adjust