From: James Bottomley Subject: Re: [BUG] fatal hang untarring 90GB file, possibly writeback related. Date: Thu, 28 Apr 2011 11:50:37 -0500 Message-ID: <1304009438.2598.9.camel@mulgrave.site> References: <1303923000.2583.8.camel@mulgrave.site> <1303923177-sup-2603@think> <1303924902.2583.13.camel@mulgrave.site> <1303925374-sup-7968@think> <1303926637.2583.17.camel@mulgrave.site> <1303934716.2583.22.camel@mulgrave.site> <1303990590.2081.9.camel@lenovo> <20110428135228.GC1696@quack.suse.cz> <20110428140725.GX4658@suse.de> <1304000714.2598.0.camel@mulgrave.site> <20110428150827.GY4658@suse.de> <1304006499.2598.5.camel@mulgrave.site> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Jan Kara , colin.king@canonical.com, Chris Mason , linux-fsdevel , linux-mm , linux-kernel , linux-ext4 , mgorman@novell.com To: Mel Gorman Return-path: In-Reply-To: <1304006499.2598.5.camel@mulgrave.site> Sender: owner-linux-mm@kvack.org List-Id: linux-ext4.vger.kernel.org This is the output of perf record -g -a -f sleep 5 (hopefully the list won't choke) James --- # Events: 1K cycles # # Overhead Command Shared Object Symbol # ........ ........... ................. ....................................... # 9.03% tar [kernel.kallsyms] [k] copy_user_generic_string | --- copy_user_generic_string | |--60.55%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --39.45%-- generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 3.45% swapper [kernel.kallsyms] [k] intel_idle | --- intel_idle cpuidle_idle_call cpu_idle | |--76.47%-- rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --23.53%-- start_secondary 3.39% tar [kernel.kallsyms] [k] zero_user_segments | --- zero_user_segments __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 1.78% tar [kernel.kallsyms] [k] add_preempt_count | --- add_preempt_count | |--16.72%-- __percpu_counter_add | | | |--59.73%-- __prop_inc_single | | task_dirty_inc | | account_page_dirtied | | __set_page_dirty | | mark_buffer_dirty | | __block_commit_write | | block_write_end | | generic_write_end | | ext4_da_write_end | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --40.27%-- ext4_claim_free_blocks | ext4_da_get_block_prep | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--14.83%-- _raw_spin_lock_irq | | | |--63.66%-- add_to_page_cache_locked | | add_to_page_cache_lru | | | | | |--51.51%-- mpage_readpages | | | ext4_readpages | | | __do_page_cache_readahead | | | ra_submit | | | ondemand_readahead | | | page_cache_async_readahead | | | generic_file_aio_read | | | do_sync_read | | | vfs_read | | | sys_read | | | system_call_fastpath | | | __GI___libc_read | | | | | --48.49%-- grab_cache_page_write_begin | | ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --36.34%-- blk_throtl_bio | generic_make_request | submit_bio | mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | |--13.85%-- bit_spin_lock | jbd2_journal_add_journal_head | jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--12.19%-- __lru_cache_add | add_to_page_cache_lru | | | |--70.86%-- grab_cache_page_write_begin | | ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --29.14%-- mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | |--8.30%-- bit_spin_lock | lock_page_cgroup | __mem_cgroup_commit_charge.constprop.28 | __mem_cgroup_commit_charge_lrucare | mem_cgroup_cache_charge | add_to_page_cache_locked | add_to_page_cache_lru | | | |--58.88%-- mpage_readpages | | ext4_readpages | | __do_page_cache_readahead | | ra_submit | | ondemand_readahead | | page_cache_async_readahead | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --41.12%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--7.17%-- generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--4.90%-- __srcu_read_lock | fsnotify | fsnotify_modify | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--4.61%-- __srcu_read_unlock | fsnotify | fsnotify_modify | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--4.14%-- _raw_read_lock_irqsave | dm_get_live_table | dm_merge_bvec | __bio_add_page.part.2 | bio_add_page | do_mpage_readpage | mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | |--3.81%-- _raw_read_lock | start_this_handle | jbd2__journal_start | jbd2_journal_start | ext4_journal_start_sb | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--3.77%-- balance_dirty_pages_ratelimited_nr | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--3.55%-- __add_bdi_stat | account_page_dirtied | __set_page_dirty | mark_buffer_dirty | __block_commit_write | block_write_end | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --2.18%-- _raw_spin_lock ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 1.70% tar [kernel.kallsyms] [k] __list_del_entry | --- __list_del_entry | |--72.43%-- list_del | | | |--76.01%-- __rmqueue | | get_page_from_freelist | | __alloc_pages_nodemask | | alloc_pages_current | | | | | |--92.23%-- __page_cache_alloc | | | | | | | |--60.54%-- __do_page_cache_readahead | | | | ra_submit | | | | ondemand_readahead | | | | page_cache_async_readahead | | | | generic_file_aio_read | | | | do_sync_read | | | | vfs_read | | | | sys_read | | | | system_call_fastpath | | | | __GI___libc_read | | | | | | | --39.46%-- grab_cache_page_write_begin | | | ext4_da_write_begin | | | generic_file_buffered_write | | | __generic_file_aio_write | | | generic_file_aio_write | | | ext4_file_write | | | do_sync_write | | | vfs_write | | | sys_write | | | system_call_fastpath | | | __GI___libc_write | | | | | --7.77%-- alloc_slab_page | | new_slab | | __slab_alloc | | kmem_cache_alloc | | alloc_buffer_head | | alloc_page_buffers | | create_empty_buffers | | __block_write_begin | | ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | |--18.55%-- get_page_from_freelist | | __alloc_pages_nodemask | | alloc_pages_current | | __page_cache_alloc | | | | | |--60.32%-- __do_page_cache_readahead | | | ra_submit | | | ondemand_readahead | | | page_cache_async_readahead | | | generic_file_aio_read | | | do_sync_read | | | vfs_read | | | sys_read | | | system_call_fastpath | | | __GI___libc_read | | | | | --39.68%-- grab_cache_page_write_begin | | ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --5.44%-- activate_page | mark_page_accessed | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--17.37%-- __rmqueue | get_page_from_freelist | __alloc_pages_nodemask | alloc_pages_current | __page_cache_alloc | | | |--63.38%-- __do_page_cache_readahead | | ra_submit | | ondemand_readahead | | page_cache_async_readahead | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --36.62%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --10.20%-- get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc | |--65.70%-- __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --34.30%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 1.53% tar tar [.] 0x75ff | --- 0x407546 | --- 0x42a9c2 | --- 0x40753f | --- 0x40e790 | --- 0x407586 | --- 0x40fe1a | --- 0x424b50 | --- 0x412972 | --- 0x407501 | --- 0x433336 | --- 0x4075ff | --- 0x403b40 | --- 0x4055c7 | --- 0x4332d9 | --- 0x405efa | --- 0x42a9fe | --- 0x405a43 | --- 0x4332d6 1.44% tar [kernel.kallsyms] [k] __ext4_get_inode_loc | --- __ext4_get_inode_loc ext4_get_inode_loc | |--62.07%-- ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | | | |--94.67%-- generic_write_end | | ext4_da_write_end | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --5.33%-- file_update_time | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --37.93%-- ext4_xattr_get ext4_xattr_security_get generic_getxattr cap_inode_need_killpriv security_inode_need_killpriv file_remove_suid __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 1.43% tar [kernel.kallsyms] [k] kmem_cache_alloc | --- kmem_cache_alloc | |--66.77%-- alloc_buffer_head | alloc_page_buffers | create_empty_buffers | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--22.22%-- jbd2__journal_start | jbd2_journal_start | ext4_journal_start_sb | | | |--65.27%-- ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --34.73%-- ext4_dirty_inode | __mark_inode_dirty | file_update_time | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--6.29%-- radix_tree_preload | add_to_page_cache_locked | add_to_page_cache_lru | mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --4.72%-- scsi_pool_alloc_command scsi_host_alloc_command __scsi_get_command scsi_get_command scsi_get_cmd_from_req scsi_setup_fs_cmnd sd_prep_fn blk_peek_request scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 1.25% tar [kernel.kallsyms] [k] sub_preempt_count | --- sub_preempt_count | |--24.47%-- _raw_spin_unlock_irqrestore | | | |--30.14%-- scsi_get_command | | scsi_get_cmd_from_req | | scsi_setup_fs_cmnd | | sd_prep_fn | | blk_peek_request | | scsi_request_fn | | __blk_run_queue | | queue_unplugged | | blk_flush_plug_list | | io_schedule | | sleep_on_page_killable | | __wait_on_bit_lock | | __lock_page_killable | | lock_page_killable | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | |--28.74%-- prepare_to_wait_exclusive | | __wait_on_bit_lock | | __lock_page_killable | | lock_page_killable | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | |--23.48%-- __wake_up | | jbd2_journal_stop | | __ext4_journal_stop | | ext4_da_write_end | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --17.65%-- blkiocg_update_dispatch_stats | throtl_charge_bio | blk_throtl_bio | generic_make_request | submit_bio | mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | |--12.68%-- radix_tree_preload_end | add_to_page_cache_locked | add_to_page_cache_lru | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--12.51%-- pagefault_enable | iov_iter_copy_from_user_atomic | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--10.90%-- _raw_spin_unlock_irq | | | |--52.31%-- add_to_page_cache_locked | | add_to_page_cache_lru | | mpage_readpages | | ext4_readpages | | __do_page_cache_readahead | | ra_submit | | ondemand_readahead | | page_cache_async_readahead | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --47.69%-- __set_page_dirty | mark_buffer_dirty | __block_commit_write | block_write_end | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--10.37%-- mem_cgroup_charge_statistics | __mem_cgroup_commit_charge.constprop.28 | __mem_cgroup_commit_charge_lrucare | mem_cgroup_cache_charge | add_to_page_cache_locked | add_to_page_cache_lru | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--9.99%-- _raw_spin_unlock | | | |--60.73%-- inode_add_rsv_space | | __dquot_alloc_space | | ext4_da_get_block_prep | | __block_write_begin | | ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --39.27%-- ext4_ext_map_blocks | ext4_map_blocks | ext4_da_get_block_prep | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--5.89%-- __wake_up | jbd2_journal_stop | __ext4_journal_stop | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--4.86%-- balance_dirty_pages_ratelimited_nr | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--4.52%-- add_to_page_cache_locked | add_to_page_cache_lru | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --3.81%-- avc_has_perm_noaudit task_has_capability selinux_capable security_capable ns_capable generic_permission inode_permission may_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 1.24% tar [kernel.kallsyms] [k] bit_spin_lock | --- bit_spin_lock | |--94.43%-- lock_page_cgroup | __mem_cgroup_commit_charge.constprop.28 | __mem_cgroup_commit_charge_lrucare | mem_cgroup_cache_charge | add_to_page_cache_locked | add_to_page_cache_lru | | | |--56.27%-- mpage_readpages | | ext4_readpages | | __do_page_cache_readahead | | ra_submit | | ondemand_readahead | | page_cache_async_readahead | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --43.73%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --5.57%-- __mem_cgroup_commit_charge.constprop.28 __mem_cgroup_commit_charge_lrucare mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 1.13% swapper [kernel.kallsyms] [k] poll_idle | --- poll_idle cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 1.00% tar [kernel.kallsyms] [k] ext4_da_get_block_prep | --- ext4_da_get_block_prep | |--82.10%-- __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --17.90%-- ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.95% tar [kernel.kallsyms] [k] __find_get_block | --- __find_get_block | |--85.78%-- __getblk | __ext4_get_inode_loc | ext4_get_inode_loc | | | |--84.94%-- ext4_reserve_inode_write | | ext4_mark_inode_dirty | | ext4_dirty_inode | | __mark_inode_dirty | | generic_write_end | | ext4_da_write_end | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --15.06%-- ext4_xattr_get | ext4_xattr_security_get | generic_getxattr | cap_inode_need_killpriv | security_inode_need_killpriv | file_remove_suid | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--7.86%-- ext4_ext_truncate | ext4_truncate | ext4_evict_inode | evict | iput | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | --6.36%-- ext4_free_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.92% tar [kernel.kallsyms] [k] radix_tree_lookup_element | --- radix_tree_lookup_element | |--79.19%-- radix_tree_lookup_slot | find_get_page | | | |--39.67%-- __find_get_block_slow | | unmap_underlying_metadata | | __block_write_begin | | ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | |--37.78%-- generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --22.55%-- find_lock_page | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--13.79%-- radix_tree_lookup | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --7.02%-- __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.86% tar [kernel.kallsyms] [k] ext4_mark_iloc_dirty | --- ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.84% tar [kernel.kallsyms] [k] __alloc_pages_nodemask | --- __alloc_pages_nodemask | |--88.77%-- alloc_pages_current | __page_cache_alloc | | | |--53.12%-- __do_page_cache_readahead | | ra_submit | | ondemand_readahead | | page_cache_async_readahead | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --46.88%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --11.23%-- __page_cache_alloc grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.80% tar [kernel.kallsyms] [k] get_parent_ip | --- get_parent_ip | |--27.09%-- add_preempt_count | | | |--44.58%-- jbd_lock_bh_state | | do_get_write_access | | jbd2_journal_get_write_access | | __ext4_journal_get_write_access | | ext4_reserve_inode_write | | ext4_mark_inode_dirty | | ext4_dirty_inode | | __mark_inode_dirty | | generic_write_end | | ext4_da_write_end | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | |--32.43%-- bit_spin_lock | | lock_page_cgroup | | __mem_cgroup_commit_charge.constprop.28 | | __mem_cgroup_commit_charge_lrucare | | mem_cgroup_cache_charge | | add_to_page_cache_locked | | add_to_page_cache_lru | | grab_cache_page_write_begin | | ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --22.99%-- _raw_spin_lock_irqsave | __wake_up | jbd2_journal_stop | __ext4_journal_stop | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--26.54%-- sub_preempt_count | | | |--43.60%-- __percpu_counter_add | | ext4_claim_free_blocks | | ext4_da_get_block_prep | | __block_write_begin | | ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | |--29.86%-- bit_spin_unlock | | unlock_page_cgroup | | __mem_cgroup_commit_charge.constprop.28 | | __mem_cgroup_commit_charge_lrucare | | mem_cgroup_cache_charge | | add_to_page_cache_locked | | add_to_page_cache_lru | | mpage_readpages | | ext4_readpages | | __do_page_cache_readahead | | ra_submit | | ondemand_readahead | | page_cache_async_readahead | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --26.53%-- __lru_cache_add | add_to_page_cache_lru | mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | |--13.83%-- radix_tree_preload | add_to_page_cache_locked | add_to_page_cache_lru | mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | |--9.64%-- jbd_lock_bh_state | jbd2_journal_dirty_metadata | __ext4_handle_dirty_metadata | ext4_mark_iloc_dirty | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--8.02%-- bit_spin_unlock | jbd2_journal_add_journal_head | jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--7.60%-- _raw_spin_lock | inode_add_rsv_space | __dquot_alloc_space | ext4_da_get_block_prep | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --7.27%-- balance_dirty_pages_ratelimited_nr generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.74% tar [kernel.kallsyms] [k] do_raw_spin_lock | --- do_raw_spin_lock | |--55.40%-- _raw_spin_lock_irq | | | |--86.22%-- __set_page_dirty | | mark_buffer_dirty | | __block_commit_write | | block_write_end | | generic_write_end | | ext4_da_write_end | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --13.78%-- blk_throtl_bio | generic_make_request | submit_bio | mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --44.60%-- _raw_spin_lock | |--76.80%-- inode_add_rsv_space | __dquot_alloc_space | ext4_da_get_block_prep | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --23.20%-- ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.71% tar [kernel.kallsyms] [k] put_page_testzero | --- put_page_testzero put_page | |--49.42%-- generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--26.92%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --23.66%-- mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.69% tar [kernel.kallsyms] [k] get_page_from_freelist | --- get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc | |--63.44%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --36.56%-- __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.67% tar [kernel.kallsyms] [k] __wake_up_bit | --- __wake_up_bit | |--90.71%-- unlock_page | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --9.29%-- wake_up_bit unlock_buffer do_get_write_access jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.65% tar [kernel.kallsyms] [k] put_mems_allowed | --- put_mems_allowed | |--92.20%-- alloc_pages_current | __page_cache_alloc | | | |--54.97%-- __do_page_cache_readahead | | ra_submit | | ondemand_readahead | | page_cache_async_readahead | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --45.03%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --7.80%-- __page_cache_alloc grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.65% tar [kernel.kallsyms] [k] __rmqueue | --- __rmqueue get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc | |--70.26%-- __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --29.74%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.62% tar [kernel.kallsyms] [k] start_this_handle | --- start_this_handle jbd2__journal_start jbd2_journal_start ext4_journal_start_sb | |--71.12%-- ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --28.88%-- ext4_dirty_inode __mark_inode_dirty file_update_time __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.58% tar [kernel.kallsyms] [k] __rcu_read_unlock | --- __rcu_read_unlock | |--35.45%-- __prop_inc_single | task_dirty_inc | account_page_dirtied | __set_page_dirty | mark_buffer_dirty | __block_commit_write | block_write_end | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--14.77%-- find_get_page | find_lock_page | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--11.81%-- __find_get_block_slow | __find_get_block | ext4_free_blocks | ext4_ext_truncate | ext4_truncate | ext4_evict_inode | evict | iput | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | |--11.28%-- avc_has_perm_noaudit | avc_has_perm | inode_has_perm | selinux_inode_permission | security_inode_permission | inode_permission | may_delete | vfs_unlink | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | |--10.21%-- __mem_cgroup_try_charge.constprop.27 | mem_cgroup_cache_charge | add_to_page_cache_locked | add_to_page_cache_lru | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--8.34%-- generic_make_request | submit_bio | mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --8.15%-- dm_request generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.58% tar [kernel.kallsyms] [k] __mark_inode_dirty | --- __mark_inode_dirty | |--54.06%-- __set_page_dirty | mark_buffer_dirty | __block_commit_write | block_write_end | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--33.43%-- generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --12.51%-- ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.55% tar [kernel.kallsyms] [k] _raw_spin_unlock | --- _raw_spin_unlock | |--55.58%-- ext4_da_get_block_prep | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --44.42%-- create_empty_buffers __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.53% tar [kernel.kallsyms] [k] next_zones_zonelist | --- next_zones_zonelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc | |--55.47%-- __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --44.53%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.52% tar [kernel.kallsyms] [k] bit_spin_unlock | --- bit_spin_unlock | |--55.87%-- jbd2_journal_put_journal_head | jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | | | |--71.83%-- ext4_dirty_inode | | __mark_inode_dirty | | | | | |--57.59%-- generic_write_end | | | ext4_da_write_end | | | generic_file_buffered_write | | | __generic_file_aio_write | | | generic_file_aio_write | | | ext4_file_write | | | do_sync_write | | | vfs_write | | | sys_write | | | system_call_fastpath | | | __GI___libc_write | | | | | --42.41%-- file_update_time | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --28.17%-- add_dirent_to_buf | ext4_add_entry | ext4_add_nondir | ext4_create | vfs_create | do_last | path_openat | do_filp_open | do_sys_open | sys_openat | system_call_fastpath | __GI___openat | --44.13%-- jbd2_journal_add_journal_head jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.51% tar [kernel.kallsyms] [k] jbd_unlock_bh_state | --- jbd_unlock_bh_state | |--56.56%-- do_get_write_access | jbd2_journal_get_write_access | __ext4_journal_get_write_access | | | |--85.42%-- ext4_reserve_inode_write | | ext4_mark_inode_dirty | | ext4_dirty_inode | | __mark_inode_dirty | | | | | |--77.84%-- generic_write_end | | | ext4_da_write_end | | | generic_file_buffered_write | | | __generic_file_aio_write | | | generic_file_aio_write | | | ext4_file_write | | | do_sync_write | | | vfs_write | | | sys_write | | | system_call_fastpath | | | __GI___libc_write | | | | | --22.16%-- file_update_time | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --14.58%-- ext4_free_inode | ext4_evict_inode | evict | iput | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | --43.44%-- jbd2_journal_dirty_metadata __ext4_handle_dirty_metadata | |--53.02%-- ext4_free_inode | ext4_evict_inode | evict | iput | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | --46.98%-- ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.50% tar [kernel.kallsyms] [k] __block_write_begin | --- __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.49% tar [kernel.kallsyms] [k] __might_sleep | --- __might_sleep | |--30.54%-- jbd2__journal_start | jbd2_journal_start | ext4_journal_start_sb | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--17.09%-- __alloc_pages_nodemask | alloc_pages_current | __page_cache_alloc | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--14.20%-- __getblk | __ext4_get_inode_loc | ext4_get_inode_loc | ext4_xattr_get | ext4_xattr_security_get | generic_getxattr | cap_inode_need_killpriv | security_inode_need_killpriv | file_remove_suid | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--10.60%-- mutex_lock | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--10.58%-- kmem_cache_alloc | jbd2__journal_start | jbd2_journal_start | ext4_journal_start_sb | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--9.67%-- lock_buffer | do_get_write_access | jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --7.31%-- ext4_map_blocks ext4_getblk ext4_bread dx_probe ext4_add_entry ext4_add_nondir ext4_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.49% tar [kernel.kallsyms] [k] jbd2_journal_add_journal_head | --- jbd2_journal_add_journal_head | |--69.06%-- __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | | | |--77.62%-- generic_write_end | | ext4_da_write_end | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --22.38%-- file_update_time | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --30.94%-- jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.48% tar [kernel.kallsyms] [k] __mem_cgroup_commit_charge.constprop.28 | --- __mem_cgroup_commit_charge.constprop.28 | |--83.14%-- __mem_cgroup_commit_charge_lrucare | mem_cgroup_cache_charge | add_to_page_cache_locked | add_to_page_cache_lru | | | |--56.52%-- mpage_readpages | | ext4_readpages | | __do_page_cache_readahead | | ra_submit | | ondemand_readahead | | page_cache_async_readahead | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --43.48%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --16.86%-- mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.46% tar [kernel.kallsyms] [k] __rcu_read_lock | --- __rcu_read_lock | |--30.47%-- avc_has_perm_noaudit | | | |--54.86%-- task_has_capability | | selinux_capable | | security_capable | | ns_capable | | exec_permission | | link_path_walk | | path_lookupat | | do_path_lookup | | user_path_parent | | do_unlinkat | | sys_unlinkat | | system_call_fastpath | | unlinkat | | | --45.14%-- avc_has_perm | may_create | selinux_inode_create | security_inode_create | vfs_create | do_last | path_openat | do_filp_open | do_sys_open | sys_openat | system_call_fastpath | __GI___openat | |--20.91%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | |--18.25%-- find_get_page | find_lock_page | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--17.06%-- __account_system_time | irqtime_account_process_tick | account_process_tick | update_process_times | tick_sched_timer | __run_hrtimer | hrtimer_interrupt | smp_apic_timer_interrupt | apic_timer_interrupt | rw_verify_area | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --13.31%-- __prop_inc_single task_dirty_inc account_page_dirtied __set_page_dirty mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.44% tar [kernel.kallsyms] [k] jbd2_journal_cancel_revoke | --- jbd2_journal_cancel_revoke do_get_write_access jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.44% tar [kernel.kallsyms] [k] mark_page_accessed | --- mark_page_accessed | |--56.95%-- generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--15.53%-- do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | |--14.54%-- __find_get_block | __getblk | __ext4_get_inode_loc | ext4_get_inode_loc | ext4_xattr_get | ext4_xattr_security_get | generic_getxattr | cap_inode_need_killpriv | security_inode_need_killpriv | file_remove_suid | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --12.98%-- generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.44% tar [kernel.kallsyms] [k] put_mems_allowed | --- put_mems_allowed | |--55.41%-- alloc_pages_current | __page_cache_alloc | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --44.59%-- __alloc_pages_nodemask alloc_pages_current __page_cache_alloc | |--68.42%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --31.58%-- __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.43% tar [kernel.kallsyms] [k] in_lock_functions | --- in_lock_functions | |--76.43%-- get_parent_ip | | | |--80.00%-- add_preempt_count | | | | | |--39.87%-- balance_dirty_pages_ratelimited_nr | | | generic_file_buffered_write | | | __generic_file_aio_write | | | generic_file_aio_write | | | ext4_file_write | | | do_sync_write | | | vfs_write | | | sys_write | | | system_call_fastpath | | | __GI___libc_write | | | | | |--30.07%-- radix_tree_preload | | | add_to_page_cache_locked | | | add_to_page_cache_lru | | | grab_cache_page_write_begin | | | ext4_da_write_begin | | | generic_file_buffered_write | | | __generic_file_aio_write | | | generic_file_aio_write | | | ext4_file_write | | | do_sync_write | | | vfs_write | | | sys_write | | | system_call_fastpath | | | __GI___libc_write | | | | | --30.07%-- _raw_read_lock | | start_this_handle | | jbd2__journal_start | | jbd2_journal_start | | ext4_journal_start_sb | | ext4_dirty_inode | | __mark_inode_dirty | | ext4_setattr | | notify_change | | chown_common | | sys_fchown | | system_call_fastpath | | __GI___fchown | | | --20.00%-- sub_preempt_count | avc_has_perm_noaudit | avc_has_perm | inode_has_perm | dentry_has_perm | selinux_inode_setattr | security_inode_setattr | notify_change | chown_common | sys_fchown | system_call_fastpath | __GI___fchown | |--12.38%-- add_preempt_count | jbd_lock_bh_state | do_get_write_access | jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --11.19%-- sub_preempt_count _raw_spin_unlock_irqrestore __wake_up jbd2_journal_stop __ext4_journal_stop ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.43% swapper [kernel.kallsyms] [k] ext4_end_bio | --- ext4_end_bio bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.42% tar [kernel.kallsyms] [k] ext4_get_group_desc | --- ext4_get_group_desc | |--88.05%-- __ext4_get_inode_loc | ext4_get_inode_loc | | | |--64.96%-- ext4_reserve_inode_write | | ext4_mark_inode_dirty | | ext4_dirty_inode | | __mark_inode_dirty | | generic_write_end | | ext4_da_write_end | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --35.04%-- ext4_xattr_get | ext4_xattr_security_get | generic_getxattr | cap_inode_need_killpriv | security_inode_need_killpriv | file_remove_suid | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --11.95%-- ext4_get_inode_loc ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.42% tar [kernel.kallsyms] [k] __percpu_counter_add | --- __percpu_counter_add | |--39.75%-- ext4_da_get_block_prep | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--25.32%-- ext4_claim_free_blocks | ext4_da_get_block_prep | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--19.28%-- ext4_free_inode | ext4_evict_inode | evict | iput | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | --15.64%-- __add_bdi_stat account_page_dirtied __set_page_dirty mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.42% tar [kernel.kallsyms] [k] do_get_write_access | --- do_get_write_access | |--80.57%-- jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --19.43%-- __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.42% tar [kernel.kallsyms] [k] generic_file_buffered_write | --- generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.41% tar [kernel.kallsyms] [k] jbd2_journal_stop | --- jbd2_journal_stop __ext4_journal_stop | |--79.71%-- ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --20.29%-- ext4_unlink vfs_unlink do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.41% tar [kernel.kallsyms] [k] jbd2__journal_start | --- jbd2__journal_start | |--82.99%-- jbd2_journal_start | ext4_journal_start_sb | | | |--83.87%-- ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --16.13%-- ext4_dirty_inode | __mark_inode_dirty | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --17.01%-- ext4_journal_start_sb ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.40% tar [kernel.kallsyms] [k] do_mpage_readpage | --- do_mpage_readpage mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.39% tar [kernel.kallsyms] [k] arch_local_save_flags | --- arch_local_save_flags __might_sleep | |--55.35%-- __alloc_pages_nodemask | alloc_pages_current | __page_cache_alloc | | | |--61.18%-- __do_page_cache_readahead | | ra_submit | | ondemand_readahead | | page_cache_async_readahead | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --38.82%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--28.25%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --16.40%-- __getblk __ext4_get_inode_loc ext4_get_inode_loc ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.38% tar [kernel.kallsyms] [k] alloc_pages_current | --- alloc_pages_current | |--82.52%-- __page_cache_alloc | | | |--74.42%-- grab_cache_page_write_begin | | ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --25.58%-- __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --17.48%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.37% tar [kernel.kallsyms] [k] __nr_to_section | --- __nr_to_section lookup_page_cgroup | |--70.03%-- __mem_cgroup_commit_charge_lrucare | mem_cgroup_cache_charge | add_to_page_cache_locked | add_to_page_cache_lru | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--17.38%-- mem_cgroup_get_reclaim_stat_from_page | update_page_reclaim_stat | ____pagevec_lru_add_fn | pagevec_lru_move_fn | ____pagevec_lru_add | __lru_cache_add | add_to_page_cache_lru | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --12.60%-- mem_cgroup_del_lru_list activate_page mark_page_accessed generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.37% tar [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore | |--52.73%-- _raw_spin_unlock_irqrestore | | | |--51.73%-- __wake_up | | jbd2_journal_stop | | __ext4_journal_stop | | ext4_da_write_end | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --48.27%-- pagevec_lru_move_fn | ____pagevec_lru_add | __lru_cache_add | add_to_page_cache_lru | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --47.27%-- __wake_up jbd2_journal_stop __ext4_journal_stop ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.36% tar [kernel.kallsyms] [k] __mem_cgroup_try_charge.constprop.27 | --- __mem_cgroup_try_charge.constprop.27 mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru | |--67.66%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --32.34%-- mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.36% swapper [kernel.kallsyms] [k] unlock_page | --- unlock_page | |--85.03%-- mpage_end_io | bio_endio | dec_pending | clone_endio | bio_endio | req_bio_endio | blk_update_request | blk_update_bidi_request | blk_end_bidi_request | blk_end_request | scsi_io_completion | scsi_finish_command | scsi_softirq_done | blk_done_softirq | __do_softirq | call_softirq | do_softirq | irq_exit | do_IRQ | common_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --14.97%-- bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.35% tar [kernel.kallsyms] [k] ext4_xattr_get | --- ext4_xattr_get | |--68.95%-- ext4_xattr_security_get | generic_getxattr | cap_inode_need_killpriv | security_inode_need_killpriv | file_remove_suid | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --31.05%-- generic_getxattr cap_inode_need_killpriv security_inode_need_killpriv file_remove_suid __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.35% perf [kernel.kallsyms] [k] seq_puts | --- seq_puts render_sigset_t proc_pid_status proc_single_show seq_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.35% tar [kernel.kallsyms] [k] grab_cache_page_write_begin | --- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.34% tar [kernel.kallsyms] [k] alloc_page_buffers | --- alloc_page_buffers | |--72.20%-- create_empty_buffers | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --27.80%-- __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.34% tar [kernel.kallsyms] [k] debug_smp_processor_id | --- debug_smp_processor_id | |--58.75%-- get_page_from_freelist | __alloc_pages_nodemask | alloc_pages_current | __page_cache_alloc | | | |--70.45%-- __do_page_cache_readahead | | ra_submit | | ondemand_readahead | | page_cache_async_readahead | | generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --29.55%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --41.25%-- __lru_cache_add add_to_page_cache_lru | |--61.47%-- mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --38.53%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.34% perf [kernel.kallsyms] [k] clear_page_c | --- clear_page_c __alloc_pages_nodemask perf_mmap_alloc_page perf_mmap mmap_region do_mmap_pgoff sys_mmap_pgoff sys_mmap system_call_fastpath __mmap 0x418523 0x4191c6 0x40f7a9 0x40ef8c __libc_start_main 0.34% tar [kernel.kallsyms] [k] iov_iter_copy_from_user_atomic | --- iov_iter_copy_from_user_atomic generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.33% tar [kernel.kallsyms] [k] page_cache_get_speculative | --- page_cache_get_speculative find_get_page | |--84.05%-- find_lock_page | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --15.95%-- generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.33% top [kernel.kallsyms] [k] follow_managed | --- follow_managed walk_component link_path_walk path_openat do_filp_open do_sys_open sys_open system_call_fastpath __GI___libc_open 0.33% flush-253:2 [kernel.kallsyms] [k] ext4_num_dirty_pages | --- ext4_num_dirty_pages ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.32% swapper [kernel.kallsyms] [k] do_timer | --- do_timer tick_do_update_jiffies64 | |--61.57%-- tick_sched_timer | __run_hrtimer | hrtimer_interrupt | smp_apic_timer_interrupt | apic_timer_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --38.43%-- tick_check_idle irq_enter smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.32% tar [kernel.kallsyms] [k] __generic_file_aio_write | --- __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.32% tar [kernel.kallsyms] [k] mem_cgroup_add_lru_list | --- mem_cgroup_add_lru_list add_page_to_lru_list ____pagevec_lru_add_fn pagevec_lru_move_fn ____pagevec_lru_add __lru_cache_add add_to_page_cache_lru | |--87.33%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --12.67%-- mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.32% tar [kernel.kallsyms] [k] ext4_da_write_end | --- ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.32% flush-253:2 [kernel.kallsyms] [k] ext4_bio_write_page | --- ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.32% swapper [kernel.kallsyms] [k] tick_nohz_stop_sched_tick | --- tick_nohz_stop_sched_tick cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.31% tar [kernel.kallsyms] [k] down_read | --- down_read | |--78.35%-- ext4_map_blocks | ext4_da_get_block_prep | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --21.65%-- ext4_xattr_get ext4_xattr_security_get generic_getxattr cap_inode_need_killpriv security_inode_need_killpriv file_remove_suid __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.31% tar [kernel.kallsyms] [k] _raw_spin_lock_irqsave | --- _raw_spin_lock_irqsave | |--83.21%-- __wake_up | jbd2_journal_stop | __ext4_journal_stop | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --16.79%-- force_qs_rnp force_quiescent_state __rcu_process_callbacks rcu_process_callbacks __do_softirq call_softirq do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt __mem_cgroup_commit_charge_lrucare mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.30% tar [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc | |--59.37%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --40.63%-- __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.30% perf [kernel.kallsyms] [k] file_update_time | --- file_update_time __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __write_nocancel 0.30% tar [kernel.kallsyms] [k] mark_buffer_dirty | --- mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.29% swapper [kernel.kallsyms] [k] add_preempt_count | --- add_preempt_count | |--54.58%-- _raw_spin_lock_irqsave | | | |--57.58%-- scsi_device_unbusy | | scsi_finish_command | | scsi_softirq_done | | blk_done_softirq | | __do_softirq | | call_softirq | | do_softirq | | irq_exit | | do_IRQ | | common_interrupt | | cpuidle_idle_call | | cpu_idle | | rest_init | | start_kernel | | x86_64_start_reservations | | x86_64_start_kernel | | | --42.42%-- test_clear_page_writeback | end_page_writeback | put_io_page | ext4_end_bio | bio_endio | dec_pending | clone_endio | bio_endio | req_bio_endio | blk_update_request | blk_update_bidi_request | blk_end_bidi_request | blk_end_request | scsi_io_completion | scsi_finish_command | scsi_softirq_done | blk_done_softirq | __do_softirq | call_softirq | do_softirq | irq_exit | do_IRQ | common_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | |--20.90%-- __percpu_counter_add | __add_bdi_stat | test_clear_page_writeback | end_page_writeback | put_io_page | ext4_end_bio | bio_endio | dec_pending | clone_endio | bio_endio | req_bio_endio | blk_update_request | blk_update_bidi_request | blk_end_bidi_request | blk_end_request | scsi_io_completion | scsi_finish_command | scsi_softirq_done | blk_done_softirq | __do_softirq | call_softirq | do_softirq | irq_exit | do_IRQ | common_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | |--15.95%-- irq_enter | smp_apic_timer_interrupt | apic_timer_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --8.56%-- scsi_device_unbusy scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.29% tar [kernel.kallsyms] [k] mnt_want_write_file | --- mnt_want_write_file | |--76.04%-- __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --23.96%-- system_call_fastpath __GI___fchown 0.27% tar [kernel.kallsyms] [k] find_busiest_group | --- find_busiest_group load_balance schedule io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.26% perf [kernel.kallsyms] [k] perf_event_mmap_output | --- perf_event_mmap_output perf_event_mmap_ctx perf_event_mmap mmap_region do_mmap_pgoff sys_mmap_pgoff sys_mmap system_call_fastpath __mmap 0.26% swapper [kernel.kallsyms] [k] kmem_cache_free | --- kmem_cache_free | |--59.24%-- mempool_free | clone_endio | bio_endio | req_bio_endio | blk_update_request | blk_update_bidi_request | blk_end_bidi_request | blk_end_request | scsi_io_completion | scsi_finish_command | scsi_softirq_done | blk_done_softirq | __do_softirq | call_softirq | do_softirq | irq_exit | do_IRQ | common_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --40.76%-- scsi_pool_free_command __scsi_put_command scsi_put_command scsi_next_command scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.26% perf [kernel.kallsyms] [k] fsnotify | --- fsnotify fsnotify_modify vfs_write sys_write system_call_fastpath __write_nocancel 0x4293b8 0x429c0a 0x418709 0x4191c6 0x40f7a9 0x40ef8c __libc_start_main 0.26% perf [kernel.kallsyms] [k] put_bh | --- put_bh ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __write_nocancel 0x4293b8 0x429c0a 0x418709 0x4191c6 0x40f7a9 0x40ef8c __libc_start_main 0.26% perf [kernel.kallsyms] [k] _raw_spin_lock | --- _raw_spin_lock prepend_path path_with_deleted d_path seq_path show_map_vma show_map seq_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.26% tar [kernel.kallsyms] [k] get_page | --- get_page __lru_cache_add add_to_page_cache_lru mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.26% tar [kernel.kallsyms] [k] selinux_file_permission | --- selinux_file_permission security_file_permission rw_verify_area vfs_write sys_write system_call_fastpath __GI___libc_write 0.26% tar [kernel.kallsyms] [k] test_ti_thread_flag | --- test_ti_thread_flag need_resched should_resched _cond_resched | |--64.24%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --35.76%-- generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.26% perf [kernel.kallsyms] [k] number | --- number vsnprintf seq_printf show_map_vma show_map seq_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.25% tar libc-2.13.90.so [.] __GI___libc_write | --- __GI___libc_write 0.25% tar [kernel.kallsyms] [k] test_and_set_bit | --- test_and_set_bit mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.25% perf [kernel.kallsyms] [k] vsnprintf | --- vsnprintf seq_printf show_map_vma show_map seq_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.25% tar [kernel.kallsyms] [k] run_timer_softirq | --- run_timer_softirq __do_softirq call_softirq do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.25% perf [kernel.kallsyms] [k] setup_object | --- setup_object new_slab __slab_alloc kmem_cache_alloc d_alloc proc_fill_cache proc_task_readdir vfs_readdir sys_getdents system_call_fastpath __getdents64 0x429beb 0x418709 0x4191c6 0x40f7a9 0x40ef8c __libc_start_main 0.24% swapper [kernel.kallsyms] [k] sub_preempt_count | --- sub_preempt_count | |--40.64%-- __bit_spin_unlock.constprop.24 | __slab_free | kmem_cache_free | put_io_page | ext4_end_bio | bio_endio | dec_pending | clone_endio | bio_endio | req_bio_endio | blk_update_request | blk_update_bidi_request | blk_end_bidi_request | blk_end_request | scsi_io_completion | scsi_finish_command | scsi_softirq_done | blk_done_softirq | __do_softirq | call_softirq | do_softirq | irq_exit | do_IRQ | common_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | |--33.53%-- _raw_spin_unlock_irqrestore | rcu_report_qs_rnp | __rcu_process_callbacks | rcu_process_callbacks | __do_softirq | call_softirq | do_softirq | irq_exit | smp_apic_timer_interrupt | apic_timer_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --25.82%-- __slab_free kmem_cache_free mempool_free_slab mempool_free bio_free bio_fs_destructor bio_put ext4_end_bio bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.24% tar [kernel.kallsyms] [k] add_to_page_cache_locked | --- add_to_page_cache_locked | |--64.11%-- add_to_page_cache_lru | | | |--63.51%-- grab_cache_page_write_begin | | ext4_da_write_begin | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --36.49%-- mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --35.89%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.24% tar [kernel.kallsyms] [k] file_remove_suid | --- file_remove_suid | |--81.19%-- __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --18.81%-- generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.24% tar [kernel.kallsyms] [k] clear_bit_unlock | --- clear_bit_unlock | |--71.97%-- unlock_buffer | do_get_write_access | jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | | | |--58.50%-- file_update_time | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --41.50%-- generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --28.03%-- do_get_write_access jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.23% tar [kernel.kallsyms] [k] sys_write | --- sys_write system_call_fastpath __GI___libc_write 0.23% swapper [kernel.kallsyms] [k] SetPageUptodate | --- SetPageUptodate mpage_end_io bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.23% tar [kernel.kallsyms] [k] __bio_add_page.part.2 | --- __bio_add_page.part.2 bio_add_page do_mpage_readpage mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.23% swapper [kernel.kallsyms] [k] rcu_irq_enter | --- rcu_irq_enter irq_enter smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.23% tar [kernel.kallsyms] [k] _raw_spin_unlock_irq | --- _raw_spin_unlock_irq | |--45.40%-- generic_make_request | submit_bio | mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | |--29.98%-- mark_buffer_dirty | __block_commit_write | block_write_end | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --24.62%-- add_to_page_cache_locked add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.23% tar [kernel.kallsyms] [k] bit_spin_lock | --- bit_spin_lock | |--51.02%-- jbd2_journal_put_journal_head | jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --48.98%-- jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.22% swapper [kernel.kallsyms] [k] nr_iowait_cpu | --- nr_iowait_cpu tick_nohz_stop_idle tick_check_idle irq_enter do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.22% flush-253:2 [kernel.kallsyms] [k] page_waitqueue | --- page_waitqueue | |--51.36%-- unlock_page | ext4_bio_write_page | mpage_da_submit_io | mpage_da_map_and_submit | ext4_da_writepages | do_writepages | writeback_single_inode | writeback_sb_inodes | writeback_inodes_wb | wb_writeback | wb_do_writeback | bdi_writeback_thread | kthread | kernel_thread_helper | --48.64%-- ext4_num_dirty_pages ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.22% tar [kernel.kallsyms] [k] __jbd2_log_space_left | --- __jbd2_log_space_left start_this_handle jbd2__journal_start jbd2_journal_start ext4_journal_start_sb | |--50.77%-- ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --49.23%-- ext4_dirty_inode __mark_inode_dirty file_update_time __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.22% tar [kernel.kallsyms] [k] mb_test_bit | --- mb_test_bit mb_free_blocks ext4_free_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.22% tar [kernel.kallsyms] [k] __blk_recalc_rq_segments | --- __blk_recalc_rq_segments blk_recount_segments bio_phys_segments blk_rq_bio_prep init_request_from_bio __make_request generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.22% tar [kernel.kallsyms] [k] generic_write_end | --- generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.22% tar [kernel.kallsyms] [k] jbd2_journal_dirty_metadata | --- jbd2_journal_dirty_metadata | |--62.74%-- __ext4_handle_dirty_metadata | ext4_mark_iloc_dirty | ext4_mark_inode_dirty | | | |--59.79%-- ext4_dirty_inode | | __mark_inode_dirty | | generic_write_end | | ext4_da_write_end | | generic_file_buffered_write | | __generic_file_aio_write | | generic_file_aio_write | | ext4_file_write | | do_sync_write | | vfs_write | | sys_write | | system_call_fastpath | | __GI___libc_write | | | --40.21%-- ext4_unlink | vfs_unlink | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | --37.26%-- ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty file_update_time __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.22% tar [kernel.kallsyms] [k] __mem_cgroup_threshold | --- __mem_cgroup_threshold memcg_check_events __mem_cgroup_commit_charge.constprop.28 __mem_cgroup_commit_charge_lrucare mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.21% tar [kernel.kallsyms] [k] kfree | --- kfree start_this_handle jbd2__journal_start jbd2_journal_start ext4_journal_start_sb | |--79.14%-- ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --20.86%-- ext4_dirty_inode __mark_inode_dirty file_update_time __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.21% tar [kernel.kallsyms] [k] ext4_get_inode_flags | --- ext4_get_inode_flags ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty | |--63.71%-- file_update_time | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --36.29%-- generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.21% flush-253:2 [kernel.kallsyms] [k] put_page_testzero | --- put_page_testzero release_pages __pagevec_release pagevec_release | |--57.93%-- ext4_num_dirty_pages | ext4_da_writepages | do_writepages | writeback_single_inode | writeback_sb_inodes | writeback_inodes_wb | wb_writeback | wb_do_writeback | bdi_writeback_thread | kthread | kernel_thread_helper | --42.07%-- write_cache_pages_da ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.21% flush-253:2 [kernel.kallsyms] [k] __rcu_read_unlock | --- __rcu_read_unlock __find_get_block_slow unmap_underlying_metadata mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.21% tar [kernel.kallsyms] [k] avtab_search | --- avtab_search security_compute_sid security_transition_sid may_create selinux_inode_create security_inode_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.21% tar [kernel.kallsyms] [k] search_dirblock | --- search_dirblock ext4_dx_find_entry ext4_find_entry ext4_unlink vfs_unlink do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.21% tar [kernel.kallsyms] [k] __sg_alloc_table | --- __sg_alloc_table scsi_init_sgtable scsi_init_io scsi_setup_fs_cmnd sd_prep_fn blk_peek_request scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.21% tar [kernel.kallsyms] [k] ext4_journal_start_sb | --- ext4_journal_start_sb ext4_dirty_inode __mark_inode_dirty file_update_time __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.21% top libc-2.13.90.so [.] __GI_____strtoll_l_internal | --- __GI_____strtoll_l_internal 0.20% swapper [kernel.kallsyms] [k] do_raw_spin_lock | --- do_raw_spin_lock _raw_spin_lock | |--57.86%-- handle_edge_irq | handle_irq | do_IRQ | common_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --42.14%-- tick_do_update_jiffies64 tick_check_idle irq_enter smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.20% tar [kernel.kallsyms] [k] generic_write_sync | --- generic_write_sync generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.20% tar [kernel.kallsyms] [k] put_page | --- put_page | |--64.65%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --35.35%-- mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.20% flush-253:2 [kernel.kallsyms] [k] tag_get | --- tag_get | |--58.46%-- __lookup_tag | radix_tree_gang_lookup_tag_slot | find_get_pages_tag | pagevec_lookup_tag | ext4_num_dirty_pages | ext4_da_writepages | do_writepages | writeback_single_inode | writeback_sb_inodes | writeback_inodes_wb | wb_writeback | wb_do_writeback | bdi_writeback_thread | kthread | kernel_thread_helper | --41.54%-- test_set_page_writeback ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.20% tar [kernel.kallsyms] [k] dm_merge_bvec | --- dm_merge_bvec __bio_add_page.part.2 bio_add_page do_mpage_readpage mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.19% tar [kernel.kallsyms] [k] __ext4_handle_dirty_metadata | --- __ext4_handle_dirty_metadata ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.19% tar [kernel.kallsyms] [k] __block_commit_write | --- __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.19% tar [kernel.kallsyms] [k] _raw_spin_unlock_irqrestore | --- _raw_spin_unlock_irqrestore | |--54.81%-- __wake_up | jbd2_journal_stop | __ext4_journal_stop | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --45.19%-- __delayacct_blkio_end delayacct_blkio_end io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.19% tar [kernel.kallsyms] [k] ext4_writepage_trans_blocks | --- ext4_writepage_trans_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.19% tar [kernel.kallsyms] [k] jbd_lock_bh_state | --- jbd_lock_bh_state | |--62.13%-- do_get_write_access | jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --37.87%-- jbd2_journal_dirty_metadata __ext4_handle_dirty_metadata ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.19% tar [kernel.kallsyms] [k] __list_add | --- __list_add | |--70.74%-- __make_request | generic_make_request | submit_bio | mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --29.26%-- expand __rmqueue get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.19% tar [kernel.kallsyms] [k] fsnotify_modify | --- fsnotify_modify | |--74.13%-- vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --25.87%-- sys_write system_call_fastpath __GI___libc_write 0.19% flush-253:2 [kernel.kallsyms] [k] lock_page | --- lock_page write_cache_pages_da ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.19% flush-253:2 [kernel.kallsyms] [k] rb_next | --- rb_next set_next_entity pick_next_task_fair pick_next_task schedule preempt_schedule_irq retint_kernel ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.19% tar [kernel.kallsyms] [k] ext4_ext_calc_metadata_amount | --- ext4_ext_calc_metadata_amount ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.18% swapper [kernel.kallsyms] [k] __wake_up_bit | --- __wake_up_bit | |--61.24%-- unlock_page | mpage_end_io | bio_endio | dec_pending | clone_endio | bio_endio | req_bio_endio | blk_update_request | blk_update_bidi_request | blk_end_bidi_request | blk_end_request | scsi_io_completion | scsi_finish_command | scsi_softirq_done | blk_done_softirq | __do_softirq | call_softirq | do_softirq | irq_exit | do_IRQ | common_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --38.76%-- end_page_writeback put_io_page ext4_end_bio bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.18% swapper [kernel.kallsyms] [k] select_nohz_load_balancer | --- select_nohz_load_balancer | |--75.59%-- tick_nohz_restart_sched_tick | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --24.41%-- tick_nohz_stop_sched_tick cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.18% swapper [kernel.kallsyms] [k] menu_select | --- menu_select cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.18% flush-253:2 [kernel.kallsyms] [k] page_cache_get_speculative | --- page_cache_get_speculative find_get_pages pagevec_lookup mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.18% tar [kernel.kallsyms] [k] generic_file_aio_read | --- generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.18% tar [kernel.kallsyms] [k] __prop_inc_single | --- __prop_inc_single task_dirty_inc account_page_dirtied __set_page_dirty mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.18% swapper [kernel.kallsyms] [k] page_index | --- page_index test_clear_page_writeback end_page_writeback put_io_page ext4_end_bio bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.17% tar [kernel.kallsyms] [k] arch_read_lock | --- arch_read_lock _raw_read_lock start_this_handle jbd2__journal_start jbd2_journal_start ext4_journal_start_sb ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.17% tar [kernel.kallsyms] [k] mutex_unlock | --- mutex_unlock | |--73.48%-- generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --26.52%-- do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.17% tar [kernel.kallsyms] [k] blk_rq_map_sg | --- blk_rq_map_sg scsi_init_sgtable scsi_init_io scsi_setup_fs_cmnd sd_prep_fn blk_peek_request scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.17% tar [kernel.kallsyms] [k] bit_waitqueue | --- bit_waitqueue | |--51.20%-- wake_up_bit | unlock_buffer | do_get_write_access | jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | file_update_time | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --48.80%-- unlock_buffer do_get_write_access jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.17% tar [kernel.kallsyms] [k] SetPageLRU | --- SetPageLRU ____pagevec_lru_add_fn pagevec_lru_move_fn ____pagevec_lru_add __lru_cache_add add_to_page_cache_lru | |--71.47%-- mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --28.53%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.17% tar [kernel.kallsyms] [k] test_ti_thread_flag.constprop.6 | --- test_ti_thread_flag.constprop.6 | |--64.90%-- _raw_spin_unlock_irq | add_to_page_cache_locked | add_to_page_cache_lru | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --35.10%-- inode_add_rsv_space __dquot_alloc_space ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.17% tar [kernel.kallsyms] [k] lookup_page_cgroup | --- lookup_page_cgroup | |--58.52%-- __mem_cgroup_commit_charge_lrucare | mem_cgroup_cache_charge | add_to_page_cache_locked | add_to_page_cache_lru | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --41.48%-- mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.17% tar [kernel.kallsyms] [k] generic_make_request | --- generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.17% tar [kernel.kallsyms] [k] lock_page_cgroup | --- lock_page_cgroup __mem_cgroup_commit_charge_lrucare mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.17% swapper [kernel.kallsyms] [k] mempool_free | --- mempool_free clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.17% tar [kernel.kallsyms] [k] put_prev_task_fair | --- put_prev_task_fair io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.17% tar [kernel.kallsyms] [k] perf_event_task_tick | --- perf_event_task_tick scheduler_tick update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt | |--51.07%-- scsi_request_fn | __blk_run_queue | queue_unplugged | blk_flush_plug_list | io_schedule | sleep_on_page_killable | __wait_on_bit_lock | __lock_page_killable | lock_page_killable | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --48.93%-- _ext4_get_block ext4_get_block do_mpage_readpage mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.17% tar [kernel.kallsyms] [k] arch_read_unlock | --- arch_read_unlock | |--66.07%-- _raw_read_unlock | start_this_handle | jbd2__journal_start | jbd2_journal_start | ext4_journal_start_sb | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --33.93%-- _raw_read_unlock_irqrestore dm_get_live_table dm_merge_bvec __bio_add_page.part.2 bio_add_page do_mpage_readpage mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.16% swapper [kernel.kallsyms] [k] debug_smp_processor_id | --- debug_smp_processor_id | |--38.89%-- __cycles_2_ns | native_sched_clock | sched_clock | sched_clock_cpu | account_system_vtime | irq_exit | smp_apic_timer_interrupt | apic_timer_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | |--32.56%-- tick_check_idle | irq_enter | smp_apic_timer_interrupt | apic_timer_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | |--14.27%-- account_idle_time | irqtime_account_process_tick | account_idle_ticks | tick_nohz_restart_sched_tick | cpu_idle | start_secondary | --14.27%-- irqtime_account_process_tick account_idle_ticks tick_nohz_restart_sched_tick cpu_idle start_secondary 0.16% tar [kernel.kallsyms] [k] fget_light | --- fget_light | |--51.07%-- sys_read | system_call_fastpath | __GI___libc_read | --48.93%-- sys_write system_call_fastpath __GI___libc_write 0.16% tar [kernel.kallsyms] [k] SetPageUptodate | --- SetPageUptodate __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.16% tar [kernel.kallsyms] [k] __ext4_journal_stop | --- __ext4_journal_stop | |--50.22%-- ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --49.78%-- ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.16% tar [kernel.kallsyms] [k] ext4_clear_inode_state | --- ext4_clear_inode_state ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty | |--51.89%-- file_update_time | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --48.11%-- generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.16% tar [kernel.kallsyms] [k] mem_cgroup_cache_charge | --- mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru | |--65.55%-- mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --34.45%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.16% tar [kernel.kallsyms] [k] ext4_map_blocks | --- ext4_map_blocks ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.16% tar [kernel.kallsyms] [k] ata_dev_enabled | --- ata_dev_enabled ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.16% tar [kernel.kallsyms] [k] new_slab | --- new_slab __slab_alloc kmem_cache_alloc alloc_buffer_head alloc_page_buffers create_empty_buffers __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.16% swapper [kernel.kallsyms] [k] hrtimer_cancel | --- hrtimer_cancel tick_nohz_restart_sched_tick cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.15% tar [kernel.kallsyms] [k] lock_buffer | --- lock_buffer do_get_write_access jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.15% tar [kernel.kallsyms] [k] bit_spin_unlock | --- bit_spin_unlock unlock_page_cgroup __mem_cgroup_commit_charge.constprop.28 __mem_cgroup_commit_charge_lrucare mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru | |--72.67%-- mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --27.33%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.15% tar [kernel.kallsyms] [k] up_read | --- up_read | |--62.56%-- ext4_map_blocks | ext4_da_get_block_prep | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --37.44%-- ext4_xattr_get ext4_xattr_security_get generic_getxattr cap_inode_need_killpriv security_inode_need_killpriv file_remove_suid __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.15% tar [kernel.kallsyms] [k] preempt_schedule | --- preempt_schedule try_to_wake_up wake_up_process wake_up_worker insert_work __queue_work delayed_work_timer_fn run_timer_softirq __do_softirq call_softirq do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt _raw_read_lock start_this_handle jbd2__journal_start jbd2_journal_start ext4_journal_start_sb ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.15% tar [kernel.kallsyms] [k] fsnotify_access | --- fsnotify_access sys_read system_call_fastpath __GI___libc_read 0.15% swapper [kernel.kallsyms] [k] native_read_tsc | --- native_read_tsc paravirt_read_tsc native_sched_clock sched_clock sched_clock_cpu account_system_vtime irq_enter smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.14% tar [kernel.kallsyms] [k] dequeue_task_fair | --- dequeue_task_fair dequeue_task deactivate_task schedule io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.14% tar [kernel.kallsyms] [k] ata_scsi_queuecmd | --- ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.14% tar [kernel.kallsyms] [k] file_read_actor | --- file_read_actor generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.14% tar [kernel.kallsyms] [k] _raw_spin_lock | --- _raw_spin_lock | |--52.50%-- ext4_da_get_block_prep | __block_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --47.50%-- ext4_ext_map_blocks ext4_map_blocks ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.14% top [kernel.kallsyms] [k] add_preempt_count | --- add_preempt_count _raw_spin_lock nameidata_drop_rcu link_path_walk path_openat do_filp_open do_sys_open sys_open system_call_fastpath __GI___libc_open 0.14% tar [kernel.kallsyms] [k] generic_file_aio_write | --- generic_file_aio_write | |--52.11%-- do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --47.89%-- ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.14% tar [kernel.kallsyms] [k] block_write_end | --- block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.14% tar [kernel.kallsyms] [k] hrtimer_interrupt | --- hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt | |--52.67%-- jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_reserve_inode_write | ext4_mark_inode_dirty | ext4_dirty_inode | __mark_inode_dirty | file_update_time | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --47.33%-- string_to_context_struct security_context_to_sid_core security_context_to_sid_default inode_doinit_with_dentry selinux_d_instantiate security_d_instantiate d_instantiate d_splice_alias ext4_lookup d_alloc_and_lookup __lookup_hash.part.3 lookup_hash do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.14% flush-253:2 [kernel.kallsyms] [k] sub_preempt_count | --- sub_preempt_count __percpu_counter_add __add_bdi_stat clear_page_dirty_for_io mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.14% swapper [kernel.kallsyms] [k] __rcu_read_lock | --- __rcu_read_lock | |--50.04%-- __prop_inc_percpu_max | test_clear_page_writeback | end_page_writeback | put_io_page | ext4_end_bio | bio_endio | dec_pending | clone_endio | bio_endio | req_bio_endio | blk_update_request | blk_update_bidi_request | blk_end_bidi_request | blk_end_request | scsi_io_completion | scsi_finish_command | scsi_softirq_done | blk_done_softirq | __do_softirq | call_softirq | do_softirq | irq_exit | do_IRQ | common_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --49.96%-- __atomic_notifier_call_chain atomic_notifier_call_chain exit_idle do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.13% tar [kernel.kallsyms] [k] ktime_get_ts | --- ktime_get_ts __delayacct_blkio_end delayacct_blkio_end io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.13% tar [kernel.kallsyms] [k] page_zone | --- page_zone pagevec_lru_move_fn ____pagevec_lru_add __lru_cache_add add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] __read_lock_failed | --- __read_lock_failed _raw_read_lock start_this_handle jbd2__journal_start jbd2_journal_start ext4_journal_start_sb ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] prop_norm_single | --- prop_norm_single __prop_inc_single task_dirty_inc account_page_dirtied __set_page_dirty mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] put_bh | --- put_bh __brelse brelse ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] radix_tree_insert | --- radix_tree_insert add_to_page_cache_locked add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] policy_zonelist | --- policy_zonelist alloc_pages_current __page_cache_alloc __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.13% tar [kernel.kallsyms] [k] atomic_inc | --- atomic_inc ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% swapper [kernel.kallsyms] [k] irq_entries_start | --- irq_entries_start cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.13% top libproc-3.2.8.so [.] 0x44c2 | --- 0x37d94044c2 0.13% flush-253:2 [kernel.kallsyms] [k] attempt_back_merge | --- attempt_back_merge generic_make_request submit_bio ext4_io_submit mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.13% tar [kernel.kallsyms] [k] virt_to_head_page | --- virt_to_head_page kmem_cache_free jbd2_journal_stop __ext4_journal_stop ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] mnt_clone_write | --- mnt_clone_write mnt_want_write_file file_update_time __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] rb_erase | --- rb_erase deadline_remove_request deadline_move_request deadline_dispatch_requests blk_peek_request scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.13% tar [kernel.kallsyms] [k] __set_page_dirty | --- __set_page_dirty | |--51.11%-- __block_commit_write | block_write_end | generic_write_end | ext4_da_write_end | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --48.89%-- mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] do_sync_write | --- do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] atomic_inc | --- atomic_inc __find_get_block __getblk __ext4_get_inode_loc ext4_get_inode_loc ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] arch_local_irq_disable | --- arch_local_irq_disable _raw_spin_lock_irq | |--55.62%-- add_to_page_cache_locked | add_to_page_cache_lru | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --44.38%-- __set_page_dirty mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] kmem_cache_free | --- kmem_cache_free jbd2_journal_stop __ext4_journal_stop ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.13% tar [kernel.kallsyms] [k] ext4_da_write_begin | --- ext4_da_write_begin __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.12% swapper [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore | |--69.63%-- account_system_vtime | irq_exit | smp_apic_timer_interrupt | apic_timer_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --30.37%-- irqtime_account_process_tick account_idle_ticks tick_nohz_restart_sched_tick cpu_idle start_secondary 0.12% flush-253:2 [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore test_set_page_writeback ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.12% tar [kernel.kallsyms] [k] inode_reserved_space | --- inode_reserved_space __dquot_alloc_space ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.12% swapper [kernel.kallsyms] [k] update_cfs_shares | --- update_cfs_shares enqueue_task_fair enqueue_task activate_task try_to_wake_up default_wake_function autoremove_wake_function wake_bit_function __wake_up_common __wake_up __wake_up_bit unlock_page mpage_end_io bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.12% tar [kernel.kallsyms] [k] schedule | --- schedule | |--59.95%-- io_schedule | sleep_on_page_killable | __wait_on_bit_lock | __lock_page_killable | lock_page_killable | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --40.05%-- __GI___libc_read 0.12% tar [kernel.kallsyms] [k] security_sid_to_context_force | --- security_sid_to_context_force security_inode_init_security ext4_init_security ext4_new_inode ext4_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.12% tar [kernel.kallsyms] [k] radix_tree_preload | --- radix_tree_preload add_to_page_cache_locked add_to_page_cache_lru | |--54.07%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --45.93%-- mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.12% swapper [kernel.kallsyms] [k] arch_local_save_flags | --- arch_local_save_flags _local_bh_enable irq_enter do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.12% flush-253:2 [kernel.kallsyms] [k] release_pages | --- release_pages __pagevec_release pagevec_release write_cache_pages_da ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.12% flush-253:2 [kernel.kallsyms] [k] page_mkclean | --- page_mkclean mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.12% tar [kernel.kallsyms] [k] set_bh_page | --- set_bh_page create_empty_buffers __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.12% tar [kernel.kallsyms] [k] account_entity_dequeue | --- account_entity_dequeue dequeue_task deactivate_task schedule io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.12% tar [kernel.kallsyms] [k] ata_qc_issue | --- ata_qc_issue __ata_scsi_queuecmd ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.12% tar libc-2.13.90.so [.] __cfree | --- __cfree 0.12% tar [kernel.kallsyms] [k] radix_tree_lookup_slot | --- radix_tree_lookup_slot | |--62.63%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --37.37%-- find_lock_page grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.12% top libc-2.13.90.so [.] _IO_vfscanf_internal | --- _IO_vfscanf_internal _IO_vsscanf 0x7fffef292b20 0.12% tar [kernel.kallsyms] [k] ext4_inode_table | --- ext4_inode_table __ext4_get_inode_loc ext4_get_inode_loc ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.12% tar [kernel.kallsyms] [k] xattr_resolve_name | --- xattr_resolve_name generic_getxattr cap_inode_need_killpriv security_inode_need_killpriv file_remove_suid __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.12% tar [kernel.kallsyms] [k] add_to_page_cache_lru | --- add_to_page_cache_lru | |--67.10%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --32.90%-- mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.12% migration/0 [kernel.kallsyms] [k] resched_task | --- resched_task check_preempt_curr __migrate_task migration_cpu_stop cpu_stopper_thread kthread kernel_thread_helper 0.12% tar [kernel.kallsyms] [k] __count_vm_events | --- __count_vm_events __alloc_pages_nodemask alloc_pages_current __page_cache_alloc | |--50.90%-- __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --49.10%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.12% tar [kernel.kallsyms] [k] system_call_fastpath | --- system_call_fastpath __GI___libc_write 0.11% flush-253:2 [kernel.kallsyms] [k] __percpu_counter_add | --- __percpu_counter_add __add_bdi_stat clear_page_dirty_for_io mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.11% swapper [kernel.kallsyms] [k] page_waitqueue | --- page_waitqueue mpage_end_io bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.11% kworker/0:2 [kernel.kallsyms] [k] worker_thread | --- worker_thread kthread kernel_thread_helper 0.11% tar [kernel.kallsyms] [k] fsnotify | --- fsnotify vfs_read sys_read system_call_fastpath __GI___libc_read 0.11% tar [kernel.kallsyms] [k] is_handle_aborted | --- is_handle_aborted jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.11% tar [kernel.kallsyms] [k] blk_finish_plug | --- blk_finish_plug ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.11% tar [kernel.kallsyms] [k] arch_local_irq_save | --- arch_local_irq_save task_dirty_inc account_page_dirtied __set_page_dirty mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.11% tar [kernel.kallsyms] [k] jbd2_journal_get_write_access | --- jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty file_update_time __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.11% tar [kernel.kallsyms] [k] vfs_write | --- vfs_write system_call_fastpath __GI___libc_write 0.11% swapper [kernel.kallsyms] [k] irqtime_account_process_tick | --- irqtime_account_process_tick update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle start_secondary 0.11% tar [kernel.kallsyms] [k] blk_flush_plug_list | --- blk_flush_plug_list blk_finish_plug generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.11% tar [kernel.kallsyms] [k] deadline_remove_request | --- deadline_remove_request deadline_dispatch_requests blk_peek_request scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.11% tar [kernel.kallsyms] [k] mb_find_buddy | --- mb_find_buddy mb_free_blocks ext4_free_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.11% tar [kernel.kallsyms] [k] sys_read | --- sys_read | |--58.45%-- system_call_fastpath | __GI___libc_read | --41.55%-- __GI___libc_read 0.11% flush-253:2 [kernel.kallsyms] [k] arch_read_unlock | --- arch_read_unlock _raw_read_unlock_irqrestore dm_get_live_table dm_merge_bvec __bio_add_page.part.2 bio_add_page ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.11% swapper [kernel.kallsyms] [k] __slab_free | --- __slab_free kmem_cache_free mempool_free_slab mempool_free scsi_sg_free __sg_free_table __scsi_release_buffers scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.11% tar [kernel.kallsyms] [k] sidtab_search_core | --- sidtab_search_core sidtab_search security_compute_sid security_transition_sid may_create selinux_inode_create security_inode_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.11% swapper [kernel.kallsyms] [k] switch_mm | --- switch_mm schedule cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.11% flush-253:2 [kernel.kallsyms] [k] mpage_da_submit_io | --- mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.11% tar [kernel.kallsyms] [k] mem_cgroup_charge_statistics | --- mem_cgroup_charge_statistics __mem_cgroup_commit_charge.constprop.28 __mem_cgroup_commit_charge_lrucare mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru | |--56.66%-- grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --43.34%-- mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.11% tar [kernel.kallsyms] [k] zone_watermark_ok | --- zone_watermark_ok | |--50.80%-- __alloc_pages_nodemask | alloc_pages_current | __page_cache_alloc | grab_cache_page_write_begin | ext4_da_write_begin | generic_file_buffered_write | __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --49.20%-- get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.11% tar [kernel.kallsyms] [k] ext4_free_blocks | --- ext4_free_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.11% tar [kernel.kallsyms] [k] ext4_ext_map_blocks | --- ext4_ext_map_blocks ext4_map_blocks ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.11% tar [kernel.kallsyms] [k] page_waitqueue | --- page_waitqueue generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.11% tar [kernel.kallsyms] [k] add_dirent_to_buf | --- add_dirent_to_buf ext4_add_entry ext4_add_nondir ext4_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.11% tar [kernel.kallsyms] [k] strcmp | --- strcmp symcmp hashtab_search string_to_context_struct security_context_to_sid_core security_context_to_sid_default inode_doinit_with_dentry selinux_d_instantiate security_d_instantiate d_instantiate d_splice_alias ext4_lookup d_alloc_and_lookup __lookup_hash.part.3 lookup_hash do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.11% tar [kernel.kallsyms] [k] select_idle_sibling | --- select_idle_sibling select_task_rq_fair select_task_rq try_to_wake_up wake_up_process wake_up_worker insert_work __queue_work delayed_work_timer_fn run_timer_softirq __do_softirq call_softirq do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.11% flush-253:2 [kernel.kallsyms] [k] __wake_up_bit | --- __wake_up_bit unlock_page ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.11% tar [kernel.kallsyms] [k] radix_tree_node_alloc | --- radix_tree_node_alloc radix_tree_insert add_to_page_cache_locked add_to_page_cache_lru | |--60.14%-- mpage_readpages | ext4_readpages | __do_page_cache_readahead | ra_submit | ondemand_readahead | page_cache_async_readahead | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --39.86%-- grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.10% swapper [kernel.kallsyms] [k] rcu_irq_exit | --- rcu_irq_exit | |--54.97%-- smp_apic_timer_interrupt | apic_timer_interrupt | cpuidle_idle_call | cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --45.03%-- irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.10% tar [kernel.kallsyms] [k] radix_tree_tag_set | --- radix_tree_tag_set __set_page_dirty mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.10% tar [kernel.kallsyms] [k] check_irqs_on | --- check_irqs_on __getblk __ext4_get_inode_loc ext4_get_inode_loc ext4_xattr_get ext4_xattr_security_get generic_getxattr cap_inode_need_killpriv security_inode_need_killpriv file_remove_suid __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.10% flush-253:2 [kernel.kallsyms] [k] add_preempt_count | --- add_preempt_count __add_bdi_stat test_set_page_writeback ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.10% flush-253:2 [kernel.kallsyms] [k] arch_local_save_flags | --- arch_local_save_flags __might_sleep unmap_underlying_metadata mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.10% tar [kernel.kallsyms] [k] irqtime_account_process_tick | --- irqtime_account_process_tick account_process_tick update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.10% tar [kernel.kallsyms] [k] alloc_buffer_head | --- alloc_buffer_head alloc_page_buffers create_empty_buffers __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.10% tar [kernel.kallsyms] [k] jiffies_to_timeval | --- jiffies_to_timeval __account_system_time irqtime_account_process_tick account_process_tick update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt __find_get_block __getblk __ext4_get_inode_loc ext4_get_inode_loc ext4_reserve_inode_write ext4_mark_inode_dirty ext4_unlink vfs_unlink do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.10% tar [kernel.kallsyms] [k] ext4_get_reserved_space | --- ext4_get_reserved_space inode_add_rsv_space __dquot_alloc_space ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.10% swapper [kernel.kallsyms] [k] _raw_spin_lock_irqsave | --- _raw_spin_lock_irqsave scsi_next_command scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.10% tar [kernel.kallsyms] [k] blk_start_plug | --- blk_start_plug mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.10% flush-253:2 [kernel.kallsyms] [k] sg_init_table | --- sg_init_table scsi_alloc_sgtable scsi_init_sgtable scsi_init_io scsi_setup_fs_cmnd sd_prep_fn blk_peek_request scsi_request_fn __blk_run_queue __make_request generic_make_request submit_bio ext4_io_submit mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.10% tar [kernel.kallsyms] [k] ata_qc_new_init | --- ata_qc_new_init | |--51.58%-- ata_scsi_queuecmd | scsi_dispatch_cmd | scsi_request_fn | __blk_run_queue | queue_unplugged | blk_flush_plug_list | io_schedule | sleep_on_page_killable | __wait_on_bit_lock | __lock_page_killable | lock_page_killable | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --48.42%-- __ata_scsi_queuecmd ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.10% tar [kernel.kallsyms] [k] arch_local_save_flags | --- arch_local_save_flags update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt _raw_spin_unlock_irq scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.10% flush-253:2 [kernel.kallsyms] [k] inc_zone_page_state | --- inc_zone_page_state account_page_writeback test_set_page_writeback ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.10% tar [kernel.kallsyms] [k] system_call | --- system_call __GI___libc_write 0.10% flush-253:2 [kernel.kallsyms] [k] __bio_clone | --- __bio_clone clone_bio __split_and_process_bio dm_request generic_make_request submit_bio ext4_io_submit ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.10% flush-253:2 [kernel.kallsyms] [k] mod_state | --- mod_state inc_zone_page_state account_page_writeback test_set_page_writeback ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.10% tar [kernel.kallsyms] [k] arch_local_irq_save | --- arch_local_irq_save _raw_spin_lock_irqsave __wake_up jbd2_journal_stop __ext4_journal_stop ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.10% tar [kernel.kallsyms] [k] bio_get_nr_vecs | --- bio_get_nr_vecs mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.10% flush-253:2 [kernel.kallsyms] [k] radix_tree_tag_set | --- radix_tree_tag_set test_set_page_writeback ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.10% tar [kernel.kallsyms] [k] test_ti_thread_flag | --- test_ti_thread_flag __mem_cgroup_try_charge.constprop.27 mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.10% flush-253:2 [kernel.kallsyms] [k] bit_spin_lock | --- bit_spin_lock jbd2_journal_add_journal_head jbd2_journal_get_write_access __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.09% tar [kernel.kallsyms] [k] inode_init_once | --- inode_init_once init_once setup_object new_slab __slab_alloc kmem_cache_alloc ext4_alloc_inode alloc_inode new_inode ext4_new_inode ext4_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.09% jbd2/dm-2-8 [kernel.kallsyms] [k] add_preempt_count | --- add_preempt_count | |--61.31%-- _raw_spin_lock | jbd2_journal_file_buffer | jbd2_journal_write_metadata_buffer | jbd2_journal_commit_transaction | kjournald2 | kthread | kernel_thread_helper | --38.69%-- jbd_trylock_bh_state journal_clean_one_cp_list __jbd2_journal_clean_checkpoint_list jbd2_journal_commit_transaction kjournald2 kthread kernel_thread_helper 0.09% swapper [kernel.kallsyms] [k] kobject_put | --- kobject_put __scsi_put_command scsi_put_command scsi_next_command scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.09% flush-253:2 [kernel.kallsyms] [k] __elv_add_request | --- __elv_add_request __make_request generic_make_request submit_bio ext4_io_submit ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.09% swapper [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore rcu_process_gp_end __rcu_process_callbacks rcu_process_callbacks __do_softirq call_softirq do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.09% tar [kernel.kallsyms] [k] round_jiffies_up | --- round_jiffies_up blk_start_request scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.09% tar [kernel.kallsyms] [k] attach_page_buffers | --- attach_page_buffers __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.09% tar [kernel.kallsyms] [k] hrtick_update | --- hrtick_update dequeue_task deactivate_task schedule io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.09% tar [kernel.kallsyms] [k] ext4_clear_inode_flag | --- ext4_clear_inode_flag ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.09% jbd2/dm-2-8 [kernel.kallsyms] [k] do_raw_spin_lock | --- do_raw_spin_lock _raw_spin_lock_irq blk_throtl_bio generic_make_request submit_bio submit_bh jbd2_journal_commit_transaction kjournald2 kthread kernel_thread_helper 0.09% top [kernel.kallsyms] [k] __rcu_read_lock | --- __rcu_read_lock __d_lookup walk_component link_path_walk path_openat do_filp_open do_sys_open sys_open system_call_fastpath __GI___libc_open 0.09% tar [kernel.kallsyms] [k] __brelse | --- __brelse brelse ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.09% flush-253:2 [kernel.kallsyms] [k] page_zone | --- page_zone inc_zone_page_state account_page_writeback test_set_page_writeback ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.09% tar [kernel.kallsyms] [k] bio_integrity_enabled | --- bio_integrity_enabled generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.09% tar [kernel.kallsyms] [k] dm_table_find_target | --- dm_table_find_target __bio_add_page.part.2 bio_add_page do_mpage_readpage mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.09% tar [kernel.kallsyms] [k] __mod_zone_page_state | --- __mod_zone_page_state add_page_to_lru_list ____pagevec_lru_add_fn pagevec_lru_move_fn ____pagevec_lru_add __lru_cache_add add_to_page_cache_lru mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.09% tar [kernel.kallsyms] [k] ahci_fill_cmd_slot | --- ahci_fill_cmd_slot ahci_qc_prep ata_qc_issue __ata_scsi_queuecmd ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.09% swapper [kernel.kallsyms] [k] blk_unprep_request | --- blk_unprep_request blk_finish_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.09% top libc-2.13.90.so [.] __GI___close | --- __GI___close 0.09% tar [kernel.kallsyms] [k] put_bh | --- put_bh ext4_mark_iloc_dirty ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.09% swapper [kernel.kallsyms] [k] finish_task_switch | --- finish_task_switch schedule cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.09% flush-253:2 [kernel.kallsyms] [k] page_mapping | --- page_mapping mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.09% tar [kernel.kallsyms] [k] alloc_tio | --- alloc_tio dm_request generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.08% flush-253:2 [kernel.kallsyms] [k] radix_tree_tag_clear | --- radix_tree_tag_clear test_set_page_writeback ext4_bio_write_page mpage_da_submit_io mpage_da_map_and_submit ext4_da_writepages do_writepages writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.08% tar [kernel.kallsyms] [k] timespec_trunc | --- timespec_trunc touch_atime generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.08% tar [kernel.kallsyms] [k] ext4_claim_free_blocks | --- ext4_claim_free_blocks ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.08% tar libc-2.13.90.so [.] __GI___errno_location | --- __GI___errno_location 0.08% tar [kernel.kallsyms] [k] path_to_nameidata | --- path_to_nameidata walk_component link_path_walk path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.08% tar [kernel.kallsyms] [k] current_sid | --- current_sid selinux_file_permission security_file_permission rw_verify_area vfs_read sys_read system_call_fastpath __GI___libc_read 0.08% top [kernel.kallsyms] [k] path_openat | --- path_openat do_filp_open do_sys_open sys_open system_call_fastpath __GI___libc_open 0.08% tar [kernel.kallsyms] [k] __do_page_cache_readahead | --- __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.08% tar [kernel.kallsyms] [k] _cond_resched | --- _cond_resched generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.08% swapper [kernel.kallsyms] [k] run_timer_softirq | --- run_timer_softirq __do_softirq call_softirq do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.08% swapper [kernel.kallsyms] [k] note_interrupt | --- note_interrupt handle_irq_event_percpu handle_irq_event handle_edge_irq handle_irq do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.08% tar [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore account_page_dirtied __set_page_dirty mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.08% swapper [kernel.kallsyms] [k] native_apic_mem_write | --- native_apic_mem_write apic_write ack_APIC_irq smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle start_secondary 0.08% tar [kernel.kallsyms] [k] bio_data | --- bio_data init_request_from_bio __make_request generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.08% tar [kernel.kallsyms] [k] string_to_context_struct | --- string_to_context_struct security_context_to_sid_core security_context_to_sid_default inode_doinit_with_dentry selinux_d_instantiate security_d_instantiate d_instantiate d_splice_alias ext4_lookup d_alloc_and_lookup __lookup_hash.part.3 lookup_hash do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.08% tar [kernel.kallsyms] [k] mb_clear_bit | --- mb_clear_bit mb_clear_bits ext4_free_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.08% tar [kernel.kallsyms] [k] ext4_mb_load_buddy | --- ext4_mb_load_buddy ext4_free_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.08% top [kernel.kallsyms] [k] __fsnotify_parent | --- __fsnotify_parent fsnotify_perm security_file_permission rw_verify_area vfs_read sys_read system_call_fastpath __GI___libc_read 0.08% sleep [kernel.kallsyms] [k] do_raw_spin_lock | --- do_raw_spin_lock _raw_spin_lock | |--60.83%-- __do_fault | handle_pte_fault | handle_mm_fault | do_page_fault | page_fault | 0x37d9082b80 | --39.17%-- deny_write_access mmap_region do_mmap_pgoff do_mmap elf_map load_elf_binary search_binary_handler do_execve sys_execve stub_execve 0x37d90ae097 0.08% swapper [kernel.kallsyms] [k] ahci_interrupt | --- ahci_interrupt handle_irq_event_percpu handle_irq_event handle_edge_irq handle_irq do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.08% tar [kernel.kallsyms] [k] __srcu_read_unlock | --- __srcu_read_unlock fsnotify_modify vfs_write sys_write system_call_fastpath __GI___libc_write 0.08% tar [kernel.kallsyms] [k] signal_pending | --- signal_pending fatal_signal_pending __mem_cgroup_try_charge.constprop.27 mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.08% tar [kernel.kallsyms] [k] __read_seqcount_begin | --- __read_seqcount_begin path_init path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.08% tar [kernel.kallsyms] [k] test_ti_thread_flag | --- test_ti_thread_flag mnt_clone_write mnt_want_write_file file_update_time __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.08% tar [kernel.kallsyms] [k] jbd2_journal_start | --- jbd2_journal_start ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% tar [kernel.kallsyms] [k] __srcu_read_lock | --- __srcu_read_lock fsnotify fsnotify_modify vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% swapper [kernel.kallsyms] [k] handle_irq | --- handle_irq do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.07% swapper [kernel.kallsyms] [k] __ata_scsi_queuecmd | --- __ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue blk_run_queue scsi_run_queue scsi_next_command scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.07% tar [kernel.kallsyms] [k] atomic_inc | --- atomic_inc drive_stat_acct __make_request generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] __switch_to | --- __switch_to __GI___libc_read 0.07% tar [kernel.kallsyms] [k] ext4_file_write | --- ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% swapper [kernel.kallsyms] [k] wake_bit_function | --- wake_bit_function __wake_up __wake_up_bit unlock_page mpage_end_io bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.07% tar [kernel.kallsyms] [k] _raw_spin_lock_irq | --- _raw_spin_lock_irq add_to_page_cache_locked add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% tar [kernel.kallsyms] [k] drive_stat_acct | --- drive_stat_acct __make_request generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] test_ti_thread_flag.constprop.22 | --- test_ti_thread_flag.constprop.22 zero_user_segments __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% tar [kernel.kallsyms] [k] sd_prep_fn | --- sd_prep_fn blk_peek_request scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% top libc-2.13.90.so [.] __strchrnul | --- __strchrnul ___vsnprintf_chk 0x39335b1b6d5b1b42 0.07% swapper [kernel.kallsyms] [k] sd_prep_fn | --- sd_prep_fn blk_peek_request scsi_request_fn __blk_run_queue blk_run_queue scsi_run_queue scsi_next_command scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.07% tar [kernel.kallsyms] [k] try_to_wake_up | --- try_to_wake_up wake_up_process wake_up_worker insert_work __queue_work delayed_work_timer_fn run_timer_softirq __do_softirq call_softirq do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt _raw_spin_unlock_irqrestore ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] __bio_clone | --- __bio_clone clone_bio __split_and_process_bio dm_request generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] __zone_watermark_ok | --- __zone_watermark_ok zone_watermark_ok get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% swapper [kernel.kallsyms] [k] __remove_hrtimer | --- __remove_hrtimer remove_hrtimer.part.4 hrtimer_try_to_cancel hrtimer_cancel tick_nohz_restart_sched_tick cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.07% swapper [kernel.kallsyms] [k] scsi_device_unbusy | --- scsi_device_unbusy scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.07% tar [kernel.kallsyms] [k] scsi_prep_return | --- scsi_prep_return sd_prep_fn blk_peek_request scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] prepare_to_wait_exclusive | --- prepare_to_wait_exclusive __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] set_buffer_uptodate | --- set_buffer_uptodate __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% tar [kernel.kallsyms] [k] ata_get_xlat_func | --- ata_get_xlat_func __ata_scsi_queuecmd ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] __find_get_block_slow | --- __find_get_block_slow __find_get_block ext4_free_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.07% tar [kernel.kallsyms] [k] generic_getxattr | --- generic_getxattr security_inode_need_killpriv file_remove_suid __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% swapper [kernel.kallsyms] [k] bit_spin_lock.constprop.22 | --- bit_spin_lock.constprop.22 __slab_free kmem_cache_free put_io_page ext4_end_bio bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.07% swapper [kernel.kallsyms] [k] is_swiotlb_buffer | --- is_swiotlb_buffer unmap_single swiotlb_unmap_sg_attrs ata_sg_clean __ata_qc_complete ata_qc_complete ata_qc_complete_multiple ahci_interrupt handle_irq_event_percpu handle_irq_event handle_edge_irq handle_irq do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.07% tar [kernel.kallsyms] [k] native_read_tsc | --- native_read_tsc paravirt_read_tsc native_sched_clock sched_clock blk_rq_init get_request get_request_wait __make_request generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] ext4_has_free_blocks | --- ext4_has_free_blocks ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% tar libc-2.13.90.so [.] __GI___fxstat64 | --- __GI___fxstat64 0.07% swapper [kernel.kallsyms] [k] perf_pmu_disable | --- perf_pmu_disable scheduler_tick update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.07% tar [kernel.kallsyms] [k] sidtab_context_to_sid | --- sidtab_context_to_sid security_context_to_sid_core security_context_to_sid_default inode_doinit_with_dentry selinux_d_instantiate security_d_instantiate d_instantiate d_splice_alias ext4_lookup d_alloc_and_lookup __lookup_hash.part.3 lookup_hash do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.07% tar [kernel.kallsyms] [k] scsi_pool_alloc_command | --- scsi_pool_alloc_command scsi_host_alloc_command __scsi_get_command scsi_get_command scsi_get_cmd_from_req scsi_setup_fs_cmnd sd_prep_fn blk_peek_request scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] list_del | --- list_del activate_page mark_page_accessed generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% tar [kernel.kallsyms] [k] pagefault_enable | --- pagefault_enable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] security_file_permission | --- security_file_permission rw_verify_area vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% swapper [kernel.kallsyms] [k] scsi_next_command | --- scsi_next_command scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.07% tar [kernel.kallsyms] [k] __phys_addr | --- __phys_addr virt_to_head_page kmem_cache_free jbd2_journal_stop __ext4_journal_stop ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% tar [kernel.kallsyms] [k] page_cache_async_readahead | --- page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.07% tar [kernel.kallsyms] [k] truncate_inode_pages_range | --- truncate_inode_pages_range ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.07% tar [kernel.kallsyms] [k] mem_cgroup_del_lru_list | --- mem_cgroup_del_lru_list activate_page mark_page_accessed generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% tar [kernel.kallsyms] [k] ext4_xattr_check_names | --- ext4_xattr_check_names ext4_xattr_get ext4_xattr_security_get generic_getxattr cap_inode_need_killpriv security_inode_need_killpriv file_remove_suid __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% tar [kernel.kallsyms] [k] arch_local_irq_enable | --- arch_local_irq_enable __find_get_block __getblk __ext4_get_inode_loc ext4_get_inode_loc ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.07% tar [kernel.kallsyms] [k] get_request | --- get_request get_request_wait __make_request generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% tar [kernel.kallsyms] [k] swiotlb_map_sg_attrs | --- swiotlb_map_sg_attrs ata_qc_issue __ata_scsi_queuecmd ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% tar [kernel.kallsyms] [k] dm_get_live_table | --- dm_get_live_table page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% tar [kernel.kallsyms] [k] mem_cgroup_get_reclaim_stat_from_page | --- mem_cgroup_get_reclaim_stat_from_page update_page_reclaim_stat ____pagevec_lru_add_fn pagevec_lru_move_fn ____pagevec_lru_add __lru_cache_add add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% swapper [kernel.kallsyms] [k] check_preempt_curr | --- check_preempt_curr ttwu_post_activation try_to_wake_up default_wake_function autoremove_wake_function wake_bit_function __wake_up_common __wake_up __wake_up_bit unlock_page mpage_end_io bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% tar [kernel.kallsyms] [k] atomic_long_add | --- atomic_long_add zone_page_state_add __mod_zone_page_state add_page_to_lru_list ____pagevec_lru_add_fn pagevec_lru_move_fn ____pagevec_lru_add __lru_cache_add add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% swapper [kernel.kallsyms] [k] pm_qos_request | --- pm_qos_request cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% tar [kernel.kallsyms] [k] __kmalloc | --- __kmalloc kzalloc.constprop.9 ext4_ext_find_extent ext4_ext_map_blocks ext4_map_blocks ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% swapper [kernel.kallsyms] [k] rcu_bh_qs | --- rcu_bh_qs __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% swapper [kernel.kallsyms] [k] __blk_complete_request | --- __blk_complete_request scsi_done ata_scsi_qc_complete __ata_qc_complete ata_qc_complete ata_qc_complete_multiple ahci_interrupt handle_irq_event_percpu handle_irq_event handle_edge_irq handle_irq do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% tar [kernel.kallsyms] [k] __d_lookup | --- __d_lookup walk_component link_path_walk path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.06% tar [kernel.kallsyms] [k] context_struct_to_string | --- context_struct_to_string security_sid_to_context_core security_sid_to_context_force selinux_inode_init_security security_inode_init_security ext4_init_security ext4_new_inode ext4_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.06% swapper [kernel.kallsyms] [k] tick_nohz_restart_sched_tick | --- tick_nohz_restart_sched_tick cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% tar [kernel.kallsyms] [k] max_sane_readahead | --- max_sane_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% tar [kernel.kallsyms] [k] rw_verify_area | --- rw_verify_area vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% tar [kernel.kallsyms] [k] ahci_qc_prep | --- ahci_qc_prep ata_qc_issue __ata_scsi_queuecmd ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% tar [kernel.kallsyms] [k] linear_map | --- linear_map __split_and_process_bio dm_request generic_make_request submit_bio mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% swapper [kernel.kallsyms] [k] sched_clock | --- sched_clock account_system_vtime irq_enter do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% tar [kernel.kallsyms] [k] fput_light | --- fput_light system_call_fastpath __GI___libc_write 0.06% tar [kernel.kallsyms] [k] iov_iter_advance | --- iov_iter_advance generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% tar [kernel.kallsyms] [k] __queue_work | --- __queue_work delayed_work_timer_fn run_timer_softirq __do_softirq call_softirq do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt lock_page_cgroup __mem_cgroup_commit_charge.constprop.28 __mem_cgroup_commit_charge_lrucare mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% swapper [kernel.kallsyms] [k] scsi_io_completion | --- scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% tar [kernel.kallsyms] [k] activate_page | --- activate_page mark_page_accessed generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% tar [kernel.kallsyms] [k] touch_atime | --- touch_atime generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% tar [kernel.kallsyms] [k] atomic_sub | --- atomic_sub jbd2_journal_stop __ext4_journal_stop ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% tar [kernel.kallsyms] [k] __inc_zone_page_state | --- __inc_zone_page_state add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% tar [kernel.kallsyms] [k] ext4_test_inode_state | --- ext4_test_inode_state ext4_get_inode_loc ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% tar [kernel.kallsyms] [k] ext4_xattr_find_entry | --- ext4_xattr_find_entry ext4_xattr_get ext4_xattr_security_get generic_getxattr cap_inode_need_killpriv security_inode_need_killpriv file_remove_suid __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% swapper [kernel.kallsyms] [k] deadline_dispatch_requests | --- deadline_dispatch_requests blk_peek_request scsi_request_fn __blk_run_queue blk_run_queue scsi_run_queue scsi_next_command scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% swapper [kernel.kallsyms] [k] hrtick_update | --- hrtick_update enqueue_task_fair enqueue_task activate_task try_to_wake_up default_wake_function autoremove_wake_function wake_bit_function __wake_up_common __wake_up __wake_up_bit unlock_page mpage_end_io bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% swapper [kernel.kallsyms] [k] try_to_wake_up | --- try_to_wake_up default_wake_function autoremove_wake_function wake_bit_function __wake_up_common __wake_up __wake_up_bit unlock_page mpage_end_io bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% swapper [kernel.kallsyms] [k] pick_next_task_fair | --- pick_next_task_fair schedule cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% tar [kernel.kallsyms] [k] pick_next_task_idle | --- pick_next_task_idle schedule io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% swapper [kernel.kallsyms] [k] ktime_get | --- ktime_get tick_check_idle irq_enter smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% tar [kernel.kallsyms] [k] balance_dirty_pages_ratelimited_nr | --- balance_dirty_pages_ratelimited_nr generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% swapper [kernel.kallsyms] [k] mpage_end_io | --- mpage_end_io dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.06% tar [kernel.kallsyms] [k] radix_tree_preload_end | --- radix_tree_preload_end add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.06% tar [kernel.kallsyms] [k] submit_bio | --- submit_bio ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% tar [kernel.kallsyms] [k] __ata_scsi_queuecmd | --- __ata_scsi_queuecmd ata_scsi_queuecmd scsi_dispatch_cmd scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% tar [kernel.kallsyms] [k] dm_table_put | --- dm_table_put dm_merge_bvec __bio_add_page.part.2 bio_add_page do_mpage_readpage mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.06% sleep [kernel.kallsyms] [k] __ext4_journal_get_write_access | --- __ext4_journal_get_write_access ext4_reserve_inode_write ext4_mark_inode_dirty ext4_dirty_inode __mark_inode_dirty touch_atime ext4_file_mmap mmap_region do_mmap_pgoff sys_mmap_pgoff sys_mmap system_call_fastpath __mmap _nl_find_locale __GI_setlocale 0x40124c 0.05% tar [kernel.kallsyms] [k] sysret_check | --- sysret_check __GI___libc_read 0.05% swapper [kernel.kallsyms] [k] clockevents_program_event | --- clockevents_program_event tick_dev_program_event tick_program_event __hrtimer_start_range_ns hrtimer_start_range_ns hrtimer_start_expires.constprop.1 tick_nohz_restart_sched_tick cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.05% tar [kernel.kallsyms] [k] pick_next_task_rt | --- pick_next_task_rt pick_next_task schedule io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.05% swapper [kernel.kallsyms] [k] account_entity_enqueue | --- account_entity_enqueue enqueue_task activate_task try_to_wake_up default_wake_function autoremove_wake_function wake_bit_function __wake_up_common __wake_up __wake_up_bit unlock_page mpage_end_io bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.05% tar [kernel.kallsyms] [k] need_resched | --- need_resched _cond_resched generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.05% tar [kernel.kallsyms] [k] find_lock_page | --- find_lock_page grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.05% tar [kernel.kallsyms] [k] memcmp | --- memcmp search_dirblock ext4_dx_find_entry ext4_find_entry ext4_unlink vfs_unlink do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.05% tar [kernel.kallsyms] [k] generic_segment_checks | --- generic_segment_checks generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.05% tar [kernel.kallsyms] [k] update_vsyscall | --- update_vsyscall do_timer tick_do_update_jiffies64 tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt _raw_spin_lock ext4_da_get_block_prep __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.05% swapper [kernel.kallsyms] [k] hrtimer_start_expires.constprop.1 | --- hrtimer_start_expires.constprop.1 cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.05% tar [kernel.kallsyms] [k] __page_cache_alloc | --- __page_cache_alloc grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.05% tar [kernel.kallsyms] [k] avc_has_perm_noaudit | --- avc_has_perm_noaudit avc_has_perm inode_has_perm selinux_inode_permission security_inode_exec_permission exec_permission link_path_walk path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.05% tar [kernel.kallsyms] [k] deactivate_slab | --- deactivate_slab __slab_alloc kmem_cache_alloc alloc_buffer_head alloc_page_buffers create_empty_buffers __block_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.05% swapper [kernel.kallsyms] [k] bio_free | --- bio_free bio_fs_destructor bio_put mpage_end_io bio_endio dec_pending clone_endio bio_endio req_bio_endio blk_update_request blk_update_bidi_request blk_end_bidi_request blk_end_request scsi_io_completion scsi_finish_command scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.05% tar libc-2.13.90.so [.] __GI___libc_read | --- __GI___libc_read 0.05% tar [kernel.kallsyms] [k] selinux_capable | --- selinux_capable ns_capable capable inode_change_ok ext4_setattr notify_change chown_common sys_fchown system_call_fastpath __GI___fchown 0.05% tar [kernel.kallsyms] [k] _raw_read_lock_irqsave | --- _raw_read_lock_irqsave dm_get_live_table dm_merge_bvec __bio_add_page.part.2 bio_add_page do_mpage_readpage mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.05% swapper [kernel.kallsyms] [k] scsi_handle_queue_ramp_up | --- scsi_handle_queue_ramp_up scsi_softirq_done blk_done_softirq __do_softirq call_softirq do_softirq irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.05% tar [kernel.kallsyms] [k] dm_table_any_congested | --- dm_table_any_congested dm_any_congested page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.05% tar [kernel.kallsyms] [k] __wake_up_common | --- __wake_up_common __wake_up jbd2_journal_stop __ext4_journal_stop ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.05% tar [kernel.kallsyms] [k] acct_update_integrals | --- acct_update_integrals __account_system_time irqtime_account_process_tick account_process_tick update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt blk_finish_plug generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.05% swapper [kernel.kallsyms] [k] ns_to_timespec | --- ns_to_timespec intel_idle cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.05% tar [kernel.kallsyms] [k] _raw_read_unlock_irqrestore | --- _raw_read_unlock_irqrestore dm_get_live_table dm_merge_bvec __bio_add_page.part.2 bio_add_page do_mpage_readpage mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.05% tar [kernel.kallsyms] [k] __add_bdi_stat | --- __add_bdi_stat __set_page_dirty mark_buffer_dirty __block_commit_write block_write_end generic_write_end ext4_da_write_end generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.05% tar [kernel.kallsyms] [k] sg_init_table | --- sg_init_table scsi_alloc_sgtable scsi_init_sgtable scsi_init_io scsi_setup_fs_cmnd sd_prep_fn blk_peek_request scsi_request_fn __blk_run_queue queue_unplugged blk_flush_plug_list io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.05% swapper [kernel.kallsyms] [k] getnstimeofday | --- getnstimeofday ktime_get_real intel_idle cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.04% tar [kernel.kallsyms] [k] get_page | --- get_page add_to_page_cache_locked add_to_page_cache_lru mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.04% tar [kernel.kallsyms] [k] timekeeping_get_ns | --- timekeeping_get_ns delayacct_end __delayacct_blkio_end delayacct_blkio_end io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.04% tar [kernel.kallsyms] [k] trylock_page | --- trylock_page lock_page find_lock_page grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.04% swapper [kernel.kallsyms] [k] native_sched_clock | --- native_sched_clock sched_clock_cpu account_system_vtime irq_exit smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle start_secondary 0.04% tar [kernel.kallsyms] [k] native_load_tls | --- native_load_tls __GI___libc_read 0.04% tar [kernel.kallsyms] [k] files_lglock_local_unlock_cpu | --- files_lglock_local_unlock_cpu file_sb_list_del fput filp_close sys_close system_call_fastpath __GI___close 0.04% tar [kernel.kallsyms] [k] release_pages | --- release_pages pagevec_lru_move_fn ____pagevec_lru_add __lru_cache_add add_to_page_cache_lru grab_cache_page_write_begin ext4_da_write_begin generic_file_buffered_write __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.04% jbd2/dm-2-8 [kernel.kallsyms] [k] bit_spin_lock.constprop.22 | --- bit_spin_lock.constprop.22 __slab_free kmem_cache_free __journal_remove_journal_head jbd2_journal_remove_journal_head journal_clean_one_cp_list __jbd2_journal_clean_checkpoint_list jbd2_journal_commit_transaction kjournald2 kthread kernel_thread_helper 0.04% tar [kernel.kallsyms] [k] pick_next_task_fair | --- pick_next_task_fair schedule io_schedule sleep_on_page_killable __wait_on_bit_lock __lock_page_killable lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.04% swapper [kernel.kallsyms] [k] ktime_get_real | --- ktime_get_real cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.04% tar [kernel.kallsyms] [k] tick_do_update_jiffies64 | --- tick_do_update_jiffies64 tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt mpage_readpages ext4_readpages __do_page_cache_readahead ra_submit ondemand_readahead page_cache_async_readahead generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.03% swapper [kernel.kallsyms] [k] arch_local_save_flags | --- arch_local_save_flags arch_local_irq_save irqtime_account_process_tick account_idle_ticks tick_nohz_restart_sched_tick cpu_idle start_secondary 0.03% sleep [kernel.kallsyms] [k] mem_cgroup_uncharge_start | --- mem_cgroup_uncharge_start exit_mmap mmput flush_old_exec load_elf_binary search_binary_handler do_execve sys_execve stub_execve __execve 0.02% swapper [kernel.kallsyms] [k] irq_enter | --- irq_enter apic_timer_interrupt cpuidle_idle_call cpu_idle start_secondary # # (For a higher level overview, try: perf report --sort comm,dso) # -- To unsubscribe, send a message with 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