# Samples: 41396 # # Overhead Command Shared Object Symbol # ........ ....... ....................... ...... # 11.98% dd [kernel] [k] __copy_to_user_ll 8.74% dd [kernel] [k] __extent_read_full_page 5.37% dd [kernel] [k] get_page_from_freelist 4.09% dd [kernel] [k] __btrfs_map_block 3.87% dd [kernel] [k] insert_state 2.49% dd [kernel] [k] btrfs_lookup_bio_sums 2.13% dd [kernel] [k] generic_file_aio_read 2.04% dd [kernel] [k] lookup_extent_mapping 1.99% dd [kernel] [k] __tree_search 1.92% dd [kernel] [k] set_extent_bit 1.85% dd [kernel] [k] btrfs_get_extent 1.80% dd [kernel] [k] __blk_recalc_rq_segments 1.77% dd [kernel] [k] submit_extent_page 1.73% dd [kernel] [k] file_read_actor 1.73% dd [kernel] [k] read_extent_buffer 1.69% dd [kernel] [k] add_to_page_cache_locked 1.60% dd [kernel] [k] __bio_add_page 1.51% dd [kernel] [k] test_range_bit 1.47% dd [kernel] [k] __rcu_read_unlock 1.39% dd [kernel] [k] __alloc_pages_nodemask 1.17% dd [kernel] [k] kmem_cache_alloc 1.13% dd [kernel] [k] find_get_page 1.12% dd [kernel] [k] btrfs_merge_bio_hook 1.10% dd [kernel] [k] generic_bin_search 1.06% dd [kernel] [k] lock_extent_bits 1.02% dd [kernel] [k] __do_page_cache_readahead 0.93% dd [kernel] [k] put_page 0.86% dd [kernel] [k] set_state_private 0.84% dd [kernel] [k] btrfs_lookup_ordered_extent 0.81% dd [kernel] [k] ____pagevec_lru_add 0.74% dd [kernel] [k] zone_watermark_ok 0.73% dd [kernel] [k] btrfs_find_ordered_sum 0.73% dd [kernel] [k] extent_readpages 0.72% dd [kernel] [k] __rcu_read_lock 0.71% dd [kernel] [k] btrfs_map_block 0.71% dd [kernel] [k] rb_insert_color 0.66% dd [kernel] [k] map_private_extent_buffer 0.66% dd [kernel] [k] scsi_dispatch_cmd 0.62% dd [kernel] [k] lock_extent 0.57% dd [kernel] [k] scsi_request_fn 0.56% perf [kernel] [k] generic_file_buffered_write 0.54% dd [kernel] [k] T.1339 0.53% dd [kernel] [k] btrfs_set_bit_hook 0.52% dd [kernel] [k] __make_request 0.50% dd [kernel] [k] next_zones_zonelist 0.48% dd [kernel] [k] radix_tree_lookup_slot 0.43% dd [kernel] [k] btrfs_search_slot 0.43% dd [kernel] [k] bio_add_page 0.38% dd [kernel] [k] free_extent_map 0.37% perf [kernel] [k] __generic_file_aio_write 0.37% dd [kernel] [k] merge_state 0.36% dd [kernel] [k] map_extent_buffer 0.35% dd [kernel] [k] radix_tree_lookup 0.33% dd [kernel] [k] blk_end_bidi_request 0.32% dd [kernel] [k] __rb_rotate_left 0.30% dd [kernel] [k] radix_tree_preload 0.30% dd [kernel] [k] schedule 0.29% dd [kernel] [k] mark_page_accessed 0.25% dd [kernel] [k] _cond_resched 0.25% dd [kernel] [k] do_page_fault 0.24% dd [kernel] [k] alloc_extent_state 0.23% dd [kernel] [k] get_request 0.22% dd [kernel] [k] ata_sff_interrupt 0.21% dd [kernel] [k] mutex_lock 0.21% dd [kernel] [k] rb_next 0.20% dd [kernel] [k] __init_waitqueue_head 0.20% dd [kernel] [k] unmap_vmas 0.19% perf [kernel] [k] T.1339 0.19% perf [kernel] [k] sysenter_past_esp 0.19% perf [kernel] [k] iov_iter_advance 0.19% perf [kernel] [k] nobh_write_begin 0.18% perf [kernel] [k] nobh_write_end 0.18% dd [kernel] [k] rcu_sched_qs 0.17% perf [kernel] [k] vfs_write 0.17% perf [kernel] [k] generic_file_aio_write 0.17% dd [kernel] [k] __wake_up 0.16% perf [kernel] [k] __jfs_getxattr 0.16% dd [kernel] [k] handle_mm_fault 0.16% perf [kernel] [k] iov_iter_copy_from_user_atomic 0.15% dd [kernel] [k] handle_IRQ_event 0.15% dd [kernel] [k] read_block_for_search 0.15% dd [kernel] [k] generic_make_request 0.15% dd [kernel] [k] unmap_extent_buffer 0.14% perf [kernel] [k] __copy_from_user_ll_nozero 0.14% dd [kernel] [k] verify_parent_transid 0.14% dd [kernel] [k] free_hot_cold_page 0.14% perf [kernel] [k] do_sync_write 0.14% perf [kernel] [k] generic_segment_checks 0.14% perf [kernel] [k] getnstimeofday 0.13% perf [kernel] [k] find_get_page 0.13% dd [kernel] [k] __do_softirq 0.13% perf [kernel] [k] rw_verify_area 0.13% perf [kernel] [k] sys_write 0.13% dd [kernel] [k] btrfs_key_generation 0.12% perf [kernel] [k] jfs_write_begin 0.12% perf [kernel] [k] ea_get 0.12% dd [kernel] [k] mutex_unlock 0.12% perf [kernel] [k] iov_iter_fault_in_readable 0.11% perf [kernel] [k] xtSearch 0.11% dd [kernel] [k] extent_buffer_uptodate 0.11% dd [kernel] [k] ehci_watchdog [ehci_hcd] 0.11% dd [kernel] [k] __queue_work 0.11% dd [kernel] [k] btrfs_queue_worker 0.10% dd [kernel] [k] btrfs_map_bio 0.10% perf [kernel] [k] dbAlloc 0.10% dd [kernel] [k] btrfs_key_blockptr 0.10% dd [kernel] [k] btrfs_clear_path_blocking 0.10% dd [kernel] [k] set_page_extent_mapped 0.10% dd [kernel] [k] find_extent_buffer 0.10% dd [kernel] [k] release_pages 0.10% dd [kernel] [k] preempt_schedule 0.09% perf [kernel] [k] fsnotify 0.09% dd [kernel] [k] btrfs_lookup_csum 0.09% perf [kernel] [k] acpi_pm_read 0.09% dd [kernel] [k] bin_search 0.09% perf [kernel] [k] get_page_from_freelist 0.09% perf [kernel] [k] balance_dirty_pages_ratelimited_nr 0.09% dd [kernel] [k] btrfs_tree_unlock 0.08% perf [kernel] [k] schedule 0.08% dd [kernel] [k] unlock_up 0.08% perf [kernel] [k] grab_cache_page_write_begin 0.08% perf [kernel] [k] generic_write_sync 0.07% perf [vdso] [.] 0x000000ffffe424 0.07% perf [kernel] [k] copy_to_user 0.07% dd [kernel] [k] btrfs_item_size 0.07% perf [kernel] [k] extAlloc 0.07% dd [kernel] [k] btrfs_header_nritems 0.07% dd [kernel] [k] cfq_set_request 0.07% perf [kernel] [k] sys_gettimeofday 0.07% perf [kernel] [k] find_lock_page 0.07% perf [kernel] [k] __mark_inode_dirty 0.07% perf [kernel] [k] __rcu_read_unlock 0.07% perf [kernel] [k] radix_tree_lookup_slot 0.06% perf [kernel] [k] mark_page_accessed 0.06% perf [kernel] [k] put_page 0.06% dd [kernel] [k] btrfs_try_spin_lock 0.06% perf [kernel] [k] unlock_page 0.06% perf [kernel] [k] fget_light 0.06% perf [kernel] [k] __set_page_dirty_buffers 0.06% perf [kernel] [k] jfs_getxattr 0.06% dd [kernel] [k] mix_pool_bytes_extract 0.06% dd [kernel] [k] btrfs_item_offset 0.05% perf [kernel] [k] inotify_inode_queue_event 0.05% dd [kernel] [k] __kmalloc 0.05% perf [kernel] [k] file_update_time 0.05% perf [kernel] [k] __set_page_dirty 0.05% perf [kernel] [k] vsnprintf 0.05% perf [kernel] [k] file_remove_suid 0.05% dd [kernel] [k] btrfs_clear_lock_blocking 0.05% perf [kernel] [k] number 0.05% perf [kernel] [k] _cond_resched 0.04% dd [kernel] [k] btrfs_buffer_uptodate 0.04% perf [kernel] [k] inotify_dentry_parent_queue_event 0.04% perf [kernel] [k] dbAllocBits 0.04% perf [kernel] [k] __get_metapage 0.04% dd [kernel] [k] get_pageblock_flags_group 0.04% dd [kernel] [k] find_vma 0.04% dd [kernel] [k] kmem_cache_alloc_notrace 0.04% dd [kernel] [k] mdio_ctrl_hw 0.04% perf [kernel] [k] __wake_up 0.04% perf [kernel] [k] should_remove_suid 0.04% perf [kernel] [k] cap_inode_need_killpriv 0.04% dd [kernel] [k] get_io_context 0.04% perf [kernel] [k] timespec_trunc 0.04% perf [kernel] [k] format_decode 0.04% perf [kernel] [k] strncmp 0.04% perf [kernel] [k] strlen 0.04% dd [kernel] [k] filemap_fault 0.04% dd [kernel] [k] __lru_cache_add 0.04% dd [kernel] [k] kmem_cache_free 0.04% dd [kernel] [k] btrfs_unlock_up_safe 0.04% dd [kernel] [k] btrfs_find_tree_block 0.03% perf [kernel] [k] copy_page_range 0.03% perf [kernel] [k] kfree 0.03% perf [kernel] [k] xtLookup 0.03% dd [kernel] [k] page_add_new_anon_rmap 0.03% dd [kernel] [k] anon_vma_prepare 0.03% dd [kernel] [k] btrfs_release_path 0.03% dd [kernel] [k] btrfs_submit_bio_hook 0.03% dd [kernel] [k] submit_bio 0.03% perf [kernel] [k] __wake_up_bit 0.03% perf [kernel] [k] __fsnotify_parent 0.03% perf [kernel] [k] jfs_dirty_inode 0.03% perf [kernel] [k] mutex_lock 0.03% dd [kernel] [k] vm_normal_page 0.03% dd [kernel] [k] __do_fault 0.03% dd [kernel] [k] submit_one_bio 0.03% dd [kernel] [k] blk_rq_bio_prep 0.03% perf [kernel] [k] current_fs_time 0.03% perf [kernel] [k] do_gettimeofday 0.03% perf [kernel] [k] __alloc_pages_nodemask 0.03% perf [kernel] [k] ea_release 0.03% dd [kernel] [k] free_hot_page 0.03% dd [kernel] [k] btrfs_bio_wq_end_io 0.03% dd [kernel] [k] btrfs_spin_on_block 0.03% dd [kernel] [k] btrfs_tree_lock 0.03% perf [kernel] [k] current_kernel_time 0.03% perf [kernel] [k] __rcu_read_lock 0.03% perf [kernel] [k] dbAllocNext 0.03% perf [kernel] [k] extHint 0.03% perf [kernel] [k] cap_file_permission 0.02% perf [kernel] [k] set_page_dirty 0.02% perf [kernel] [k] jfs_get_block 0.02% perf [kernel] [k] xtExtend 0.02% perf [kernel] [k] release_metapage 0.02% perf [kernel] [k] scsi_dispatch_cmd 0.02% dd [kernel] [k] kfree 0.02% dd [kernel] [k] bio_alloc_bioset 0.02% dd [kernel] [k] btrfs_root_node 0.02% dd [kernel] [k] scsi_run_queue 0.02% dd [kernel] [k] bio_put 0.02% dd [kernel] [k] btrfs_set_lock_blocking 0.02% dd [kernel] [k] cfq_cic_lookup 0.02% dd [kernel] [k] sha_transform 0.02% perf [kernel] [k] sysenter_do_call 0.02% perf [kernel] [k] add_to_page_cache_locked 0.02% perf [kernel] [k] read_cache_page 0.02% perf [kernel] [k] security_file_permission 0.02% perf [kernel] [k] ata_sff_interrupt 0.02% perf [kernel] [k] mutex_unlock 0.02% perf [kernel] [k] down_read 0.02% perf [kernel] [k] do_page_fault 0.02% perf /home/cloos/bin/perf [.] __cmd_record 0.02% dd [kernel] [k] page_evictable 0.02% dd [kernel] [k] blk_queue_bounce 0.02% dd [kernel] [k] bvec_alloc_bs 0.02% dd [kernel] [k] blk_rq_init 0.02% dd [kernel] [k] blk_update_request 0.02% dd [kernel] [k] current_io_context 0.02% dd [kernel] [k] kref_put 0.02% dd [kernel] [k] credit_entropy_bits 0.02% dd [kernel] [k] add_timer_randomness 0.02% perf [kernel] [k] kmem_cache_free 0.02% perf [kernel] [k] __find_get_block_slow 0.02% dd [kernel] [k] hrtimer_peek_ahead_timers 0.02% dd [kernel] [k] mempool_alloc_slab 0.02% dd [kernel] [k] free_extent_buffer 0.02% dd [kernel] [k] get_request_wait 0.01% perf [kernel] [k] rcu_sched_qs 0.01% perf [kernel] [k] zone_watermark_ok 0.01% perf [kernel] [k] ____pagevec_lru_add 0.01% perf [kernel] [k] inode_add_bytes 0.01% perf [kernel] [k] __d_path 0.01% perf [kernel] [k] txLock 0.01% dd [kernel] [k] free_page_and_swap_cache 0.01% dd [kernel] [k] copy_strings 0.01% dd [kernel] [k] check_block 0.01% dd [kernel] [k] btrfs_free_path 0.01% dd [kernel] [k] init_request_from_bio 0.01% dd [kernel] [k] blk_run_queue 0.01% dd [kernel] [k] cfq_idle_slice_timer 0.01% dd [kernel] [k] scsi_finish_command 0.01% dd [kernel] [k] scsi_decide_disposition 0.01% dd [kernel] [k] scsi_init_cmd_errh 0.01% perf [kernel] [k] handle_mm_fault 0.01% perf [kernel] [k] dbAdjTree 0.01% perf [kernel] [k] dbAllocDmap 0.01% perf [kernel] [k] blk_end_bidi_request 0.01% dd [kernel] [k] down_read_trylock 0.01% dd [kernel] [k] __rcu_process_callbacks 0.01% dd [kernel] [k] mempool_alloc 0.01% dd [kernel] [k] __d_lookup 0.01% dd [kernel] [k] bio_init 0.01% dd [kernel] [k] bio_alloc 0.01% dd [kernel] [k] mpage_end_io_read 0.01% dd [kernel] [k] btrfs_set_path_blocking 0.01% dd [kernel] [k] btrfs_lock_root_node 0.01% dd [kernel] [k] end_workqueue_bio 0.01% dd [kernel] [k] strnlen_user 0.01% dd [kernel] [k] __scsi_put_command 0.01% dd [kernel] [k] scsi_io_completion 0.01% dd [kernel] [k] sd_done 0.01% perf [kernel] [k] up_read 0.01% perf [kernel] [k] perf_mmap_fault 0.01% perf [kernel] [k] add_to_page_cache_lru 0.01% perf [kernel] [k] __do_fault 0.01% perf [kernel] [k] kmem_cache_alloc 0.01% perf [kernel] [k] mnt_clone_write 0.01% perf [kernel] [k] mnt_want_write_file 0.01% perf [kernel] [k] alloc_buffer_head 0.01% perf [kernel] [k] security_inode_need_killpriv 0.01% perf [kernel] [k] strchr 0.01% dd [kernel] [k] req_bio_endio 0.01% dd [kernel] [k] blk_recount_segments 0.01% dd [kernel] [k] _atomic_dec_and_lock 0.01% dd [kernel] [k] radix_tree_next_hole 0.01% dd [kernel] [k] scsi_device_unbusy 0.01% dd b70d746f [.] 0x000000b70d746f 0.01% perf [kernel] [k] __do_softirq 0.01% perf [kernel] [k] handle_IRQ_event 0.01% perf [kernel] [k] do_read_cache_page 0.01% perf [kernel] [k] do_sys_poll 0.01% perf [kernel] [k] seq_printf 0.01% perf [kernel] [k] dbSplit 0.01% perf [kernel] [k] txBeginAnon 0.01% perf /lib/libpthread-2.11.so [.] __libc_write 0.01% dd [kernel] [k] run_timer_softirq 0.01% dd [kernel] [k] queue_work 0.01% dd [kernel] [k] up_read 0.01% dd [kernel] [k] check_for_new_grace_period 0.01% dd [kernel] [k] unlock_page 0.01% dd [kernel] [k] test_clear_page_writeback 0.01% dd [kernel] [k] __vm_enough_memory 0.01% dd [kernel] [k] mmap_region 0.01% dd [kernel] [k] page_remove_rmap 0.01% dd [kernel] [k] setup_object 0.01% dd [kernel] [k] touch_atime 0.01% dd [kernel] [k] end_buffer_async_write 0.01% dd [kernel] [k] fsnotify 0.01% dd [kernel] [k] elv_set_request 0.01% dd [kernel] [k] blk_done_softirq 0.01% dd [kernel] [k] disk_map_sector_rcu 0.01% dd [kernel] [k] get_device 0.01% dd [kernel] [k] put_device 0.01% dd [kernel] [k] scsi_put_command 0.01% dd [kernel] [k] scsi_handle_queue_ramp_up 0.01% dd /lib/ld-2.11.so [.] _dl_relocate_object 0.00% perf [kernel] [k] dup_mm 0.00% perf [kernel] [k] wait_on_page_read 0.00% perf [kernel] [k] read_cache_page_async 0.00% perf [kernel] [k] __set_page_dirty_nobuffers 0.00% perf [kernel] [k] activate_page 0.00% perf [kernel] [k] do_wp_page 0.00% perf [kernel] [k] mnt_drop_write 0.00% perf [kernel] [k] mangle_path 0.00% perf [kernel] [k] alloc_page_buffers 0.00% perf [kernel] [k] show_map_vma 0.00% perf [kernel] [k] show_map 0.00% perf [kernel] [k] btrfs_queue_worker 0.00% perf [kernel] [k] _copy_from_user 0.00% perf [kernel] [k] ehci_watchdog [ehci_hcd] 0.00% dd [kernel] [k] sysenter_past_esp 0.00% dd [kernel] [k] __wake_up_bit 0.00% dd [kernel] [k] rcu_process_callbacks 0.00% dd [kernel] [k] do_wp_page 0.00% dd [kernel] [k] __get_user_pages 0.00% dd [kernel] [k] __remove_shared_vm_struct 0.00% dd [kernel] [k] anon_vma_unlink 0.00% dd [kernel] [k] __slab_alloc 0.00% dd [kernel] [k] get_slab 0.00% dd [kernel] [k] nameidata_to_filp 0.00% dd [kernel] [k] bio_endio 0.00% dd [kernel] [k] bio_phys_segments 0.00% dd [kernel] [k] dnotify_flush 0.00% dd [kernel] [k] inotify_dentry_parent_queue_event 0.00% dd [kernel] [k] btrfs_item_size_nr 0.00% dd [kernel] [k] cap_inode_permission 0.00% dd [kernel] [k] kobject_put 0.00% dd [kernel] [k] prio_tree_replace 0.00% dd [kernel] [k] prio_tree_insert 0.00% dd [kernel] [k] radix_tree_prev_hole 0.00% dd [kernel] [k] _copy_from_user 0.00% dd [kernel] [k] scsi_pool_free_command 0.00% dd [kernel] [k] scsi_sg_free 0.00% dd [kernel] [k] scsi_softirq_done 0.00% dd [kernel] [k] error_code 0.00% dd /lib/ld-2.11.so [.] do_lookup_x 0.00% dd /lib/ld-2.11.so [.] 0x0000000000c08a 0.00% perf [kernel] [k] arch_dup_task_struct 0.00% perf [kernel] [k] try_to_wake_up 0.00% perf [kernel] [k] wake_up_new_task 0.00% perf [kernel] [k] get_signal_to_deliver 0.00% perf [kernel] [k] hrtimer_try_to_cancel 0.00% perf [kernel] [k] hrtimer_cancel 0.00% perf [kernel] [k] up_write 0.00% perf [kernel] [k] ktime_get_ts 0.00% perf [kernel] [k] check_for_new_grace_period 0.00% perf [kernel] [k] perf_poll 0.00% perf [kernel] [k] perf_event_init_task 0.00% perf [kernel] [k] __page_cache_alloc 0.00% perf [kernel] [k] release_pages 0.00% perf [kernel] [k] __lru_cache_add 0.00% perf [kernel] [k] page_evictable 0.00% perf [kernel] [k] next_zones_zonelist 0.00% perf [kernel] [k] vm_normal_page 0.00% perf [kernel] [k] find_vma 0.00% perf [kernel] [k] __vma_link_rb 0.00% perf [kernel] [k] unmap_region 0.00% perf [kernel] [k] do_mmap_pgoff 0.00% perf [kernel] [k] anon_vma_link 0.00% perf [kernel] [k] sys_lseek 0.00% perf [kernel] [k] __fput 0.00% perf [kernel] [k] acl_permission_check 0.00% perf [kernel] [k] exec_permission 0.00% perf [kernel] [k] new_inode 0.00% perf [kernel] [k] mntput_no_expire 0.00% perf [kernel] [k] seq_putc 0.00% perf [kernel] [k] set_bh_page 0.00% perf [kernel] [k] unmap_underlying_metadata 0.00% perf [kernel] [k] bio_fs_destructor 0.00% perf [kernel] [k] mpage_end_io_read 0.00% perf [kernel] [k] locks_remove_flock 0.00% perf [kernel] [k] m_next 0.00% perf [kernel] [k] proc_alloc_inode 0.00% perf [kernel] [k] render_sigset_t 0.00% perf [kernel] [k] proc_pid_status 0.00% perf [kernel] [k] xtSplitRoot 0.00% perf [kernel] [k] xtInsert 0.00% perf [kernel] [k] req_bio_endio 0.00% perf [kernel] [k] blk_update_request 0.00% perf [kernel] [k] blk_update_bidi_request 0.00% perf [kernel] [k] disk_map_sector_rcu 0.00% perf [kernel] [k] kobject_put 0.00% perf [kernel] [k] prop_fraction_single 0.00% perf [kernel] [k] __rb_rotate_left 0.00% perf [kernel] [k] put_dec_trunc 0.00% perf [kernel] [k] string 0.00% perf [kernel] [k] __sg_free_table 0.00% perf [kernel] [k] add_timer_randomness 0.00% perf [kernel] [k] __scsi_put_command 0.00% perf [kernel] [k] scsi_put_command 0.00% perf [kernel] [k] __scsi_release_buffers 0.00% perf [kernel] [k] scsi_request_fn 0.00% perf [kernel] [k] scsi_next_command 0.00% perf [kernel] [k] preempt_schedule_irq 0.00% perf [kernel] [k] schedule_hrtimeout_range 0.00% perf /lib/libpthread-2.11.so [.] __fork 0.00% perf /lib/libc-2.11.so [.] fgets 0.00% perf /lib/libc-2.11.so [.] _IO_old_init 0.00% perf /lib/libc-2.11.so [.] __GI___gettimeofday_internal 0.00% perf /home/cloos/bin/perf [.] pid_synthesize_mmap_samples 0.00% perf /home/cloos/bin/perf [.] hex2u64 0.00% dd [kernel] [k] init_new_context 0.00% dd [kernel] [k] do_set_thread_area 0.00% dd [kernel] [k] sched_move_task 0.00% dd [kernel] [k] run_hrtimer_softirq 0.00% dd [kernel] [k] hrtimer_try_to_cancel 0.00% dd [kernel] [k] rcu_bh_qs 0.00% dd [kernel] [k] rcu_process_gp_end 0.00% dd [kernel] [k] __call_rcu 0.00% dd [kernel] [k] perf_output_unlock 0.00% dd [kernel] [k] perf_event_mmap_ctx 0.00% dd [kernel] [k] __perf_event_mmap 0.00% dd [kernel] [k] ondemand_readahead 0.00% dd [kernel] [k] lru_cache_add_lru 0.00% dd [kernel] [k] vma_prio_tree_remove 0.00% dd [kernel] [k] vm_stat_account 0.00% dd [kernel] [k] expand_downwards 0.00% dd [kernel] [k] unlink_file_vma 0.00% dd [kernel] [k] mprotect_fixup 0.00% dd [kernel] [k] sys_mprotect 0.00% dd [kernel] [k] filp_close 0.00% dd [kernel] [k] rw_verify_area 0.00% dd [kernel] [k] vfs_read 0.00% dd [kernel] [k] file_free_rcu 0.00% dd [kernel] [k] fget_light 0.00% dd [kernel] [k] __fput 0.00% dd [kernel] [k] check_unsafe_exec 0.00% dd [kernel] [k] path_get 0.00% dd [kernel] [k] __follow_mount 0.00% dd [kernel] [k] path_put 0.00% dd [kernel] [k] link_path_walk 0.00% dd [kernel] [k] do_filp_open 0.00% dd [kernel] [k] spin_unlock 0.00% dd [kernel] [k] spin_unlock 0.00% dd [kernel] [k] alloc_fd 0.00% dd [kernel] [k] bio_get_nr_vecs 0.00% dd [kernel] [k] bio_fs_destructor 0.00% dd [kernel] [k] __fsnotify_parent 0.00% dd [kernel] [k] load_elf_binary 0.00% dd [kernel] [k] jfs_release 0.00% dd [kernel] [k] btrfs_congested_fn 0.00% dd [kernel] [k] is_file_shm_hugepages 0.00% dd [kernel] [k] get_vfs_caps_from_disk 0.00% dd [kernel] [k] security_inode_getattr 0.00% dd [kernel] [k] cap_file_permission 0.00% dd [kernel] [k] blk_get_backing_dev_info 0.00% dd [kernel] [k] blk_backing_dev_unplug 0.00% dd [kernel] [k] blk_unplug_timeout 0.00% dd [kernel] [k] blk_update_bidi_request 0.00% dd [kernel] [k] blk_end_request 0.00% dd [kernel] [k] cfq_get_queue 0.00% dd [kernel] [k] kref_get 0.00% dd [kernel] [k] prio_tree_remove 0.00% dd [kernel] [k] copy_to_user 0.00% dd [kernel] [k] __sg_free_table 0.00% dd [kernel] [k] add_disk_randomness 0.00% dd [kernel] [k] n_tty_write 0.00% dd [kernel] [k] tty_ldisc_deref 0.00% dd [kernel] [k] tty_insert_flip_string 0.00% dd [kernel] [k] tty_flip_buffer_push 0.00% dd [kernel] [k] __scsi_release_buffers 0.00% dd [kernel] [k] pfifo_fast_dequeue 0.00% dd [kernel] [k] netlink_broadcast 0.00% dd /lib/libc-2.11.so [.] _nl_find_locale 0.00% dd /lib/libc-2.11.so [.] _IO_vfprintf_internal 0.00% dd /lib/libc-2.11.so [.] _IO_new_file_xsputn 0.00% dd /lib/libc-2.11.so [.] __strchrnul 0.00% dd /lib/libc-2.11.so [.] intel_check_word 0.00% dd /lib/libc-2.11.so [.] ___fprintf_chk 0.00% dd /lib/libc-2.11.so [.] _dl_addr 0.00% dd /lib/ld-2.11.so [.] _dl_map_object_from_fd 0.00% dd /lib/ld-2.11.so [.] _dl_init_paths 0.00% dd /lib/ld-2.11.so [.] _dl_cache_libcmp 0.00% dd /lib/ld-2.11.so [.] check_match.8476 0.00% dd /lib/ld-2.11.so [.] _dl_lookup_symbol_x 0.00% dd /lib/ld-2.11.so [.] __libc_close 0.00% dd /lib/ld-2.11.so [.] __mmap 0.00% dd /lib/ld-2.11.so [.] 0x0000000001943e 0.00% dd /bin/dd [.] 0x000000000013b6 # # (For a higher level overview, try: perf report --sort comm,dso) #