From: James Bottomley Subject: Re: [BUG] fatal hang untarring 90GB file, possibly writeback related. Date: Thu, 28 Apr 2011 11:56:17 -0500 Message-ID: <1304009778.2598.10.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> <1304009438.2598.9.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: <1304009438.2598.9.camel@mulgrave.site> Sender: owner-linux-mm@kvack.org List-Id: linux-ext4.vger.kernel.org On Thu, 2011-04-28 at 11:50 -0500, James Bottomley wrote: > This is the output of perf record -g -a -f sleep 5 > > (hopefully the list won't choke) Um, this one actually shows kswapd James --- # Events: 6K cycles # # Overhead Command Shared Object Symbol # ........ ........... ................... ....................................... # 20.41% kswapd0 [kernel.kallsyms] [k] shrink_slab | --- shrink_slab | |--99.91%-- kswapd | kthread | kernel_thread_helper --0.09%-- [...] 9.98% kswapd0 [kernel.kallsyms] [k] shrink_zone | --- shrink_zone | |--99.46%-- kswapd | kthread | kernel_thread_helper | --0.54%-- kthread kernel_thread_helper 7.70% kswapd0 [kernel.kallsyms] [k] kswapd | --- kswapd kthread kernel_thread_helper 5.40% kswapd0 [kernel.kallsyms] [k] zone_watermark_ok_safe | --- zone_watermark_ok_safe | |--72.66%-- kswapd | kthread | kernel_thread_helper | |--20.88%-- sleeping_prematurely.part.12 | kswapd | kthread | kernel_thread_helper | --6.46%-- kthread kernel_thread_helper 4.25% kswapd0 [kernel.kallsyms] [k] do_raw_spin_lock | --- do_raw_spin_lock | |--77.49%-- _raw_spin_lock | | | |--51.85%-- mb_cache_shrink_fn | | shrink_slab | | kswapd | | kthread | | kernel_thread_helper | | | --48.15%-- mem_cgroup_soft_limit_reclaim | kswapd | kthread | kernel_thread_helper | |--19.47%-- _raw_spin_lock_irq | shrink_zone | kswapd | kthread | kernel_thread_helper | |--1.73%-- shrink_zone | kswapd | kthread | kernel_thread_helper | |--0.88%-- mb_cache_shrink_fn | shrink_slab | kswapd | kthread | kernel_thread_helper --0.44%-- [...] 3.34% kswapd0 [kernel.kallsyms] [k] sub_preempt_count | --- sub_preempt_count | |--48.58%-- _raw_spin_unlock | | | |--80.77%-- mem_cgroup_soft_limit_reclaim | | kswapd | | kthread | | kernel_thread_helper | | | --19.23%-- mb_cache_shrink_fn | shrink_slab | kswapd | kthread | kernel_thread_helper | |--17.63%-- _raw_spin_unlock_irqrestore | | | |--52.96%-- prepare_to_wait | | kswapd | | kthread | | kernel_thread_helper | | | --47.04%-- finish_wait | kswapd | kthread | kernel_thread_helper | |--13.83%-- _raw_spin_unlock_irq | shrink_zone | kswapd | kthread | kernel_thread_helper | |--6.67%-- finish_wait | kswapd | kthread | kernel_thread_helper | |--5.54%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | |--2.76%-- shrink_zone | kswapd | kthread | kernel_thread_helper | |--2.24%-- mem_cgroup_soft_limit_reclaim | kswapd | kthread | kernel_thread_helper | |--1.68%-- mb_cache_shrink_fn | shrink_slab | kswapd | kthread | kernel_thread_helper | |--0.55%-- irq_exit | smp_apic_timer_interrupt | apic_timer_interrupt | mem_cgroup_soft_limit_reclaim | kswapd | kthread | kernel_thread_helper | --0.54%-- mem_cgroup_charge_statistics __mem_cgroup_uncharge_common mem_cgroup_uncharge_cache_page __remove_mapping shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 2.96% kswapd0 [kernel.kallsyms] [k] __zone_watermark_ok | --- __zone_watermark_ok | |--85.77%-- zone_watermark_ok_safe | | | |--74.67%-- kswapd | | kthread | | kernel_thread_helper | | | --25.33%-- sleeping_prematurely.part.12 | kswapd | kthread | kernel_thread_helper | |--11.78%-- kswapd | kthread | kernel_thread_helper | --2.45%-- sleeping_prematurely.part.12 kswapd kthread kernel_thread_helper 2.67% kswapd0 [kernel.kallsyms] [k] global_dirty_limits | --- global_dirty_limits | |--97.28%-- throttle_vm_writeout | shrink_zone | kswapd | kthread | kernel_thread_helper | --2.72%-- shrink_zone kswapd kthread kernel_thread_helper 2.30% kswapd0 [kernel.kallsyms] [k] add_preempt_count | --- add_preempt_count | |--30.33%-- _raw_spin_lock | | | |--52.29%-- mem_cgroup_soft_limit_reclaim | | kswapd | | kthread | | kernel_thread_helper | | | --47.71%-- mb_cache_shrink_fn | shrink_slab | kswapd | kthread | kernel_thread_helper | |--28.79%-- _raw_spin_lock_irq | shrink_zone | kswapd | kthread | kernel_thread_helper | |--24.01%-- _raw_spin_lock_irqsave | | | |--63.28%-- finish_wait | | kswapd | | kthread | | kernel_thread_helper | | | --36.72%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | |--6.31%-- mem_cgroup_soft_limit_reclaim | kswapd | kthread | kernel_thread_helper | |--4.82%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | |--3.28%-- shrink_zone | kswapd | kthread | kernel_thread_helper | |--1.64%-- mb_cache_shrink_fn | shrink_slab | kswapd | kthread | kernel_thread_helper | --0.82%-- finish_wait kswapd kthread kernel_thread_helper 2.02% kswapd0 [kernel.kallsyms] [k] up_read | --- up_read | |--95.48%-- shrink_slab | kswapd | kthread | kernel_thread_helper | --4.52%-- kswapd kthread kernel_thread_helper 2.01% kswapd0 [kernel.kallsyms] [k] get_parent_ip | --- get_parent_ip | |--37.59%-- sub_preempt_count | | | |--66.19%-- _raw_spin_unlock | | | | | |--55.77%-- mem_cgroup_soft_limit_reclaim | | | kswapd | | | kthread | | | kernel_thread_helper | | | | | --44.23%-- mb_cache_shrink_fn | | shrink_slab | | kswapd | | kthread | | kernel_thread_helper | | | |--17.13%-- _raw_spin_unlock_irqrestore | | | | | |--57.38%-- finish_wait | | | kswapd | | | kthread | | | kernel_thread_helper | | | | | --42.62%-- prepare_to_wait | | kswapd | | kthread | | kernel_thread_helper | | | --16.68%-- _raw_spin_unlock_irq | shrink_zone | kswapd | kthread | kernel_thread_helper | |--32.16%-- add_preempt_count | | | |--71.32%-- _raw_spin_lock | | | | | |--56.02%-- mem_cgroup_soft_limit_reclaim | | | kswapd | | | kthread | | | kernel_thread_helper | | | | | --43.98%-- mb_cache_shrink_fn | | shrink_slab | | kswapd | | kthread | | kernel_thread_helper | | | |--17.25%-- _raw_spin_lock_irqsave | | | | | |--83.09%-- finish_wait | | | kswapd | | | kthread | | | kernel_thread_helper | | | | | --16.91%-- prepare_to_wait | | kswapd | | kthread | | kernel_thread_helper | | | --11.43%-- _raw_spin_lock_irq | shrink_zone | kswapd | kthread | kernel_thread_helper | |--8.20%-- _raw_spin_unlock | | | |--66.09%-- mem_cgroup_soft_limit_reclaim | | kswapd | | kthread | | kernel_thread_helper | | | --33.91%-- mb_cache_shrink_fn | shrink_slab | kswapd | kthread | kernel_thread_helper | |--7.42%-- _raw_spin_lock | | | |--62.14%-- mb_cache_shrink_fn | | shrink_slab | | kswapd | | kthread | | kernel_thread_helper | | | --37.86%-- mem_cgroup_soft_limit_reclaim | kswapd | kthread | kernel_thread_helper | |--5.55%-- _raw_spin_lock_irqsave | | | |--66.67%-- prepare_to_wait | | kswapd | | kthread | | kernel_thread_helper | | | --33.33%-- finish_wait | kswapd | kthread | kernel_thread_helper | |--4.53%-- _raw_spin_lock_irq | shrink_zone | kswapd | kthread | kernel_thread_helper | |--3.62%-- _raw_spin_unlock_irqrestore | | | |--51.20%-- finish_wait | | kswapd | | kthread | | kernel_thread_helper | | | --48.80%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | --0.94%-- _raw_spin_unlock_irq shrink_zone kswapd kthread kernel_thread_helper 1.88% kswapd0 [kernel.kallsyms] [k] zone_nr_lru_pages | --- zone_nr_lru_pages | |--85.21%-- shrink_zone | kswapd | kthread | kernel_thread_helper | --14.79%-- kswapd kthread kernel_thread_helper 1.79% kswapd0 [kernel.kallsyms] [k] down_read_trylock | --- down_read_trylock | |--92.80%-- shrink_slab | kswapd | kthread | kernel_thread_helper | --7.20%-- kswapd kthread kernel_thread_helper 1.69% kswapd0 [kernel.kallsyms] [k] mutex_trylock | --- mutex_trylock i915_gem_inactive_shrink shrink_slab kswapd kthread kernel_thread_helper 1.66% kswapd0 [kernel.kallsyms] [k] sleeping_prematurely.part.12 | --- sleeping_prematurely.part.12 | |--93.41%-- kswapd | kthread | kernel_thread_helper | --6.59%-- kthread kernel_thread_helper 1.54% kswapd0 [kernel.kallsyms] [k] find_next_bit | --- find_next_bit | |--84.45%-- cpumask_next | zone_watermark_ok_safe | kswapd | kthread | kernel_thread_helper | --15.55%-- zone_watermark_ok_safe kswapd kthread kernel_thread_helper 1.51% kswapd0 [kernel.kallsyms] [k] throttle_vm_writeout | --- throttle_vm_writeout shrink_zone kswapd kthread kernel_thread_helper 1.48% kswapd0 [kernel.kallsyms] [k] mb_cache_shrink_fn | --- mb_cache_shrink_fn | |--96.31%-- shrink_slab | kswapd | kthread | kernel_thread_helper | --3.69%-- kswapd kthread kernel_thread_helper 1.31% kswapd0 [kernel.kallsyms] [k] mem_cgroup_soft_limit_reclaim | --- mem_cgroup_soft_limit_reclaim | |--97.19%-- kswapd | kthread | kernel_thread_helper | --2.81%-- kthread kernel_thread_helper 1.26% kswapd0 [kernel.kallsyms] [k] mutex_unlock | --- mutex_unlock | |--98.57%-- i915_gem_inactive_shrink | shrink_slab | kswapd | kthread | kernel_thread_helper | --1.43%-- shrink_slab kswapd kthread kernel_thread_helper 1.19% kswapd0 [kernel.kallsyms] [k] _raw_spin_lock_irqsave | --- _raw_spin_lock_irqsave | |--47.70%-- finish_wait | kswapd | kthread | kernel_thread_helper | |--47.65%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | --4.65%-- kswapd kthread kernel_thread_helper 1.14% kswapd0 [kernel.kallsyms] [k] _raw_spin_unlock | --- _raw_spin_unlock | |--59.71%-- mem_cgroup_soft_limit_reclaim | kswapd | kthread | kernel_thread_helper | |--38.63%-- mb_cache_shrink_fn | shrink_slab | kswapd | kthread | kernel_thread_helper | --1.66%-- kswapd kthread kernel_thread_helper 0.96% kswapd0 [kernel.kallsyms] [k] __mem_cgroup_largest_soft_limit_node | --- __mem_cgroup_largest_soft_limit_node | |--59.47%-- mem_cgroup_soft_limit_reclaim | kswapd | kthread | kernel_thread_helper | --40.53%-- kswapd kthread kernel_thread_helper 0.88% kswapd0 [kernel.kallsyms] [k] in_lock_functions | --- in_lock_functions | |--43.80%-- get_parent_ip | | | |--52.47%-- add_preempt_count | | | | | |--72.99%-- _raw_spin_lock | | | | | | | |--62.71%-- mem_cgroup_soft_limit_reclaim | | | | kswapd | | | | kthread | | | | kernel_thread_helper | | | | | | | --37.29%-- mb_cache_shrink_fn | | | shrink_slab | | | kswapd | | | kthread | | | kernel_thread_helper | | | | | |--18.30%-- _raw_spin_lock_irq | | | shrink_zone | | | kswapd | | | kthread | | | kernel_thread_helper | | | | | --8.71%-- _raw_spin_lock_irqsave | | prepare_to_wait | | kswapd | | kthread | | kernel_thread_helper | | | --47.53%-- sub_preempt_count | | | |--49.81%-- _raw_spin_unlock | | mb_cache_shrink_fn | | shrink_slab | | kswapd | | kthread | | kernel_thread_helper | | | |--30.32%-- _raw_spin_unlock_irqrestore | | finish_wait | | kswapd | | kthread | | kernel_thread_helper | | | --19.86%-- _raw_spin_unlock_irq | shrink_zone | kswapd | kthread | kernel_thread_helper | |--29.12%-- add_preempt_count | | | |--49.50%-- _raw_spin_lock | | | | | |--56.31%-- mem_cgroup_soft_limit_reclaim | | | kswapd | | | kthread | | | kernel_thread_helper | | | | | --43.69%-- mb_cache_shrink_fn | | shrink_slab | | kswapd | | kthread | | kernel_thread_helper | | | |--29.19%-- _raw_spin_lock_irq | | shrink_zone | | kswapd | | kthread | | kernel_thread_helper | | | --21.32%-- _raw_spin_lock_irqsave | | | |--65.66%-- finish_wait | | kswapd | | kthread | | kernel_thread_helper | | | --34.34%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | --27.07%-- sub_preempt_count | |--62.26%-- _raw_spin_unlock | | | |--50.27%-- mb_cache_shrink_fn | | shrink_slab | | kswapd | | kthread | | kernel_thread_helper | | | --49.73%-- mem_cgroup_soft_limit_reclaim | kswapd | kthread | kernel_thread_helper | |--22.85%-- _raw_spin_unlock_irqrestore | | | |--67.34%-- finish_wait | | kswapd | | kthread | | kernel_thread_helper | | | --32.66%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | --14.89%-- _raw_spin_unlock_irq shrink_zone kswapd kthread kernel_thread_helper 0.81% kswapd0 [kernel.kallsyms] [k] cpumask_next | --- cpumask_next | |--79.81%-- zone_watermark_ok_safe | kswapd | kthread | kernel_thread_helper | --20.19%-- kswapd kthread kernel_thread_helper 0.79% kswapd0 [kernel.kallsyms] [k] zone_reclaimable_pages | --- zone_reclaimable_pages | |--93.08%-- kswapd | kthread | kernel_thread_helper | --6.92%-- kthread kernel_thread_helper 0.77% kswapd0 [i915] [k] i915_gem_inactive_shrink | --- i915_gem_inactive_shrink | |--97.55%-- shrink_slab | kswapd | kthread | kernel_thread_helper | --2.45%-- kswapd kthread kernel_thread_helper 0.76% kswapd0 [kernel.kallsyms] [k] prepare_to_wait | --- prepare_to_wait | |--97.54%-- kswapd | kthread | kernel_thread_helper | --2.46%-- kthread kernel_thread_helper 0.74% kswapd0 [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore | |--79.88%-- _raw_spin_unlock_irqrestore | | | |--62.49%-- prepare_to_wait | | kswapd | | kthread | | kernel_thread_helper | | | --37.51%-- finish_wait | kswapd | kthread | kernel_thread_helper | |--15.16%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | --4.96%-- finish_wait kswapd kthread kernel_thread_helper 0.65% kswapd0 [kernel.kallsyms] [k] test_ti_thread_flag.constprop.6 | --- test_ti_thread_flag.constprop.6 | |--20.12%-- mb_cache_shrink_fn | shrink_slab | kswapd | kthread | kernel_thread_helper | |--20.09%-- mem_cgroup_soft_limit_reclaim | kswapd | kthread | kernel_thread_helper | |--14.28%-- shrink_zone | kswapd | kthread | kernel_thread_helper | |--14.16%-- _raw_spin_unlock | | | |--80.68%-- mem_cgroup_soft_limit_reclaim | | kswapd | | kthread | | kernel_thread_helper | | | --19.32%-- mb_cache_shrink_fn | shrink_slab | kswapd | kthread | kernel_thread_helper | |--11.40%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | |--8.63%-- finish_wait | kswapd | kthread | kernel_thread_helper | |--8.58%-- _raw_spin_unlock_irqrestore | | | |--66.13%-- prepare_to_wait | | kswapd | | kthread | | kernel_thread_helper | | | --33.87%-- finish_wait | kswapd | kthread | kernel_thread_helper | --2.74%-- _raw_spin_unlock_irq shrink_zone kswapd kthread kernel_thread_helper 0.63% tar [kernel.kallsyms] [k] copy_user_generic_string | --- copy_user_generic_string | |--56.11%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --43.89%-- 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 0.59% kswapd0 [kernel.kallsyms] [k] test_tsk_thread_flag | --- test_tsk_thread_flag | |--50.16%-- kswapd | kthread | kernel_thread_helper | |--46.73%-- try_to_freeze | kswapd | kthread | kernel_thread_helper | --3.11%-- kthread kernel_thread_helper 0.59% kswapd0 [kernel.kallsyms] [k] shrink_icache_memory | --- shrink_icache_memory | |--81.19%-- shrink_slab | kswapd | kthread | kernel_thread_helper | --18.81%-- kswapd kthread kernel_thread_helper 0.52% kswapd0 [kernel.kallsyms] [k] shrink_dqcache_memory | --- shrink_dqcache_memory | |--89.35%-- shrink_slab | kswapd | kthread | kernel_thread_helper | --10.65%-- kswapd kthread kernel_thread_helper 0.50% kswapd0 [kernel.kallsyms] [k] zone_clear_flag | --- zone_clear_flag | |--77.78%-- kswapd | kthread | kernel_thread_helper | --22.22%-- kthread kernel_thread_helper 0.45% kswapd0 [kernel.kallsyms] [k] kthread_should_stop | --- kthread_should_stop | |--54.28%-- kswapd | kthread | kernel_thread_helper | --45.72%-- kthread kernel_thread_helper 0.44% kswapd0 [kernel.kallsyms] [k] global_page_state | --- global_page_state | |--33.60%-- throttle_vm_writeout | shrink_zone | kswapd | kthread | kernel_thread_helper | |--29.47%-- determine_dirtyable_memory | global_dirty_limits | throttle_vm_writeout | shrink_zone | kswapd | kthread | kernel_thread_helper | |--20.52%-- shrink_zone | kswapd | kthread | kernel_thread_helper | --16.41%-- global_dirty_limits throttle_vm_writeout shrink_zone kswapd kthread kernel_thread_helper 0.44% kswapd0 [kernel.kallsyms] [k] shrink_dcache_memory | --- shrink_dcache_memory shrink_slab kswapd kthread kernel_thread_helper 0.41% kswapd0 [kernel.kallsyms] [k] _raw_spin_unlock_irqrestore | --- _raw_spin_unlock_irqrestore | |--59.01%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | --40.99%-- finish_wait kswapd kthread kernel_thread_helper 0.39% kswapd0 [kernel.kallsyms] [k] global_reclaimable_pages | --- global_reclaimable_pages determine_dirtyable_memory global_dirty_limits throttle_vm_writeout shrink_zone kswapd kthread kernel_thread_helper 0.37% kswapd0 [kernel.kallsyms] [k] finish_wait | --- finish_wait | |--95.03%-- kswapd | kthread | kernel_thread_helper | --4.97%-- kthread kernel_thread_helper 0.33% kswapd0 [kernel.kallsyms] [k] _raw_spin_lock | --- _raw_spin_lock | |--60.70%-- mem_cgroup_soft_limit_reclaim | kswapd | kthread | kernel_thread_helper | --39.30%-- mb_cache_shrink_fn shrink_slab kswapd kthread kernel_thread_helper 0.31% kswapd0 [kernel.kallsyms] [k] arch_local_irq_enable | --- arch_local_irq_enable | |--76.94%-- _raw_spin_unlock_irq | shrink_zone | kswapd | kthread | kernel_thread_helper | --23.06%-- shrink_zone kswapd kthread kernel_thread_helper 0.28% kswapd0 [kernel.kallsyms] [k] arch_local_irq_save | --- arch_local_irq_save | |--93.18%-- _raw_spin_lock_irqsave | | | |--64.21%-- prepare_to_wait | | kswapd | | kthread | | kernel_thread_helper | | | --35.79%-- finish_wait | kswapd | kthread | kernel_thread_helper | --6.82%-- finish_wait kswapd kthread kernel_thread_helper 0.22% kswapd0 [kernel.kallsyms] [k] _raw_spin_unlock_irq | --- _raw_spin_unlock_irq | |--92.00%-- shrink_zone | kswapd | kthread | kernel_thread_helper | --8.00%-- __remove_mapping shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.22% kswapd0 [kernel.kallsyms] [k] arch_local_irq_disable | --- arch_local_irq_disable | |--58.81%-- arch_local_irq_save | _raw_spin_lock_irqsave | | | |--70.97%-- finish_wait | | kswapd | | kthread | | kernel_thread_helper | | | --29.03%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | |--33.06%-- _raw_spin_lock_irq | shrink_zone | kswapd | kthread | kernel_thread_helper | --8.13%-- shrink_zone kswapd kthread kernel_thread_helper 0.22% kswapd0 [kernel.kallsyms] [k] _raw_spin_lock_irq | --- _raw_spin_lock_irq | |--58.62%-- shrink_zone | kswapd | kthread | kernel_thread_helper | |--33.19%-- kswapd | kthread | kernel_thread_helper | --8.19%-- __remove_mapping shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.22% 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 0.20% kswapd0 [kernel.kallsyms] [k] __list_add | --- __list_add | |--90.97%-- prepare_to_wait | kswapd | kthread | kernel_thread_helper | --9.03%-- free_hot_cold_page __pagevec_free free_page_list shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.15% 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 0.15% kswapd0 [kernel.kallsyms] [k] rb_last | --- rb_last mem_cgroup_soft_limit_reclaim kswapd kthread kernel_thread_helper 0.14% swapper [kernel.kallsyms] [k] intel_idle | --- intel_idle cpuidle_idle_call cpu_idle | |--65.05%-- rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --34.95%-- start_secondary 0.13% kswapd0 [kernel.kallsyms] [k] get_reclaim_stat | --- get_reclaim_stat | |--57.55%-- kswapd | kthread | kernel_thread_helper | --42.45%-- shrink_zone kswapd kthread kernel_thread_helper 0.12% perf [kernel.kallsyms] [k] selinux_file_alloc_security | --- selinux_file_alloc_security security_file_alloc get_empty_filp path_openat do_filp_open do_sys_open sys_open system_call_fastpath __GI___libc_open 0x429beb 0x418709 0x4191c6 0x40f7a9 0x40ef8c __libc_start_main 0.12% tar [kernel.kallsyms] [k] add_preempt_count | --- add_preempt_count | |--18.90%-- _raw_spin_lock | | | |--63.01%-- 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 | | | |--20.46%-- 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 | | | --16.53%-- 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 | |--13.68%-- __lru_cache_add | add_to_page_cache_lru | | | |--51.23%-- 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 | | | --48.77%-- 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 | |--13.32%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | |--12.87%-- 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 | |--9.79%-- _raw_spin_lock_irq | | | |--62.37%-- 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 | | | --37.63%-- __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 | |--7.52%-- 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 | |--4.32%-- 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 | |--3.69%-- __percpu_counter_add | __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 | |--3.54%-- 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 | 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 | |--3.41%-- 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 | |--3.32%-- _raw_read_lock_irqsave | dm_get_live_table | __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 | |--3.29%-- _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 | --2.33%-- dput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.11% kswapd0 [kernel.kallsyms] [k] try_to_freeze | --- try_to_freeze | |--83.76%-- kswapd | kthread | kernel_thread_helper | --16.24%-- kthread kernel_thread_helper 0.10% 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 0.09% kswapd0 [kernel.kallsyms] [k] determine_dirtyable_memory | --- determine_dirtyable_memory | |--80.46%-- global_dirty_limits | throttle_vm_writeout | shrink_zone | kswapd | kthread | kernel_thread_helper | --19.54%-- throttle_vm_writeout shrink_zone kswapd kthread kernel_thread_helper 0.08% tar [kernel.kallsyms] [k] sub_preempt_count | --- sub_preempt_count | |--27.37%-- _raw_spin_unlock | 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 | |--12.90%-- blk_dequeue_request | 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 | |--9.76%-- 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 | 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 | |--6.85%-- _raw_spin_unlock_irq | 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 | |--6.81%-- 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 | |--5.86%-- _raw_spin_unlock_irqrestore | 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 | |--5.51%-- _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 | |--5.37%-- jbd_unlock_bh_state | do_get_write_access | jbd2_journal_get_write_access | __ext4_journal_get_write_access | ext4_free_inode | ext4_evict_inode | evict | iput | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | |--4.68%-- 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 | |--4.15%-- __srcu_read_unlock | fsnotify | fsnotify_modify | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | |--3.72%-- radix_tree_preload_end | 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 | |--3.62%-- 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 | --3.41%-- 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 0.08% swapper [kernel.kallsyms] [k] add_preempt_count | --- add_preempt_count | |--52.45%-- _raw_spin_lock | get_next_timer_interrupt | tick_nohz_stop_sched_tick | irq_exit | smp_call_function_single_interrupt | call_function_single_interrupt | cpuidle_idle_call | cpu_idle | start_secondary | |--26.09%-- bit_spin_lock.constprop.22 | __slab_free | kmem_cache_free | ext4_free_io_end | 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 | --21.46%-- __percpu_counter_add __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 0.08% tar [kernel.kallsyms] [k] kmem_cache_alloc | --- kmem_cache_alloc | |--74.26%-- 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 | |--12.98%-- 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 | |--6.88%-- mempool_alloc_slab | mempool_alloc | scsi_sg_alloc | __sg_alloc_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 | --5.87%-- selinux_inode_alloc_security security_inode_alloc inode_init_always 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 0.07% kswapd0 [kernel.kallsyms] [k] __free_one_page | --- __free_one_page free_pcppages_bulk free_hot_cold_page __pagevec_free free_page_list shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.07% swapper [kernel.kallsyms] [k] sub_preempt_count | --- sub_preempt_count | |--56.43%-- __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 | |--17.99%-- _raw_spin_unlock_irqrestore | __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 | |--15.61%-- _raw_spin_unlock | | | |--55.21%-- 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 | | | --44.79%-- 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 | |--5.91%-- 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 | --4.06%-- 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] mark_page_accessed | --- mark_page_accessed | |--87.24%-- 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 | |--6.42%-- __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --6.35%-- __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 0.06% tar [kernel.kallsyms] [k] get_page_from_freelist | --- get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc | |--54.79%-- __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 | --45.21%-- 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_get_inode_loc | --- __ext4_get_inode_loc ext4_get_inode_loc | |--55.97%-- ext4_reserve_inode_write | ext4_mark_inode_dirty | | | |--76.52%-- 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 | | | --23.48%-- ext4_ext_dirty | ext4_ext_truncate | ext4_truncate | ext4_evict_inode | evict | iput | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | --44.03%-- 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% tar tar [.] 0x2aa04 | --- 0x40753f | --- 0x4055c7 | --- 0x42aa04 | --- 0x4166d8 0x417081 | --- 0x40fdfb | --- 0x405f26 | --- 0x4332d6 | --- 0x40fe1a | --- 0x408ab1 | --- 0x40fdb8 | --- 0x408a87 | --- 0x4100c5 | --- 0x407564 0.06% perf [kernel.kallsyms] [k] _raw_spin_lock_irqsave | --- _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 __write_nocancel 0x4293b8 0x429c0a 0x418709 0x4191c6 0x40f7a9 0x40ef8c __libc_start_main 0.05% tar [kernel.kallsyms] [k] do_raw_spin_lock | --- do_raw_spin_lock | |--79.42%-- _raw_spin_lock_irq | | | |--57.06%-- __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 | | | --42.94%-- add_to_page_cache_locked | add_to_page_cache_lru | | | |--52.51%-- 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 | | | --47.49%-- 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 | |--15.99%-- _raw_spin_lock | | | |--60.63%-- 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 | | | --39.37%-- 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 | --4.59%-- 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 0.05% tar [kernel.kallsyms] [k] __mem_cgroup_commit_charge.constprop.28 | --- __mem_cgroup_commit_charge.constprop.28 | |--91.58%-- __mem_cgroup_commit_charge_lrucare | mem_cgroup_cache_charge | add_to_page_cache_locked | add_to_page_cache_lru | | | |--51.67%-- 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 | | | --48.33%-- 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 | --8.42%-- 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 0.05% tar [kernel.kallsyms] [k] radix_tree_lookup_element | --- radix_tree_lookup_element | |--69.74%-- radix_tree_lookup_slot | find_get_page | | | |--58.70%-- generic_file_aio_read | | do_sync_read | | vfs_read | | sys_read | | system_call_fastpath | | __GI___libc_read | | | --41.30%-- 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 | |--17.45%-- 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 | --12.81%-- find_get_page generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.04% tar [kernel.kallsyms] [k] __alloc_pages_nodemask | --- __alloc_pages_nodemask alloc_pages_current __page_cache_alloc | |--71.39%-- 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 | --28.61%-- __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] put_mems_allowed | --- put_mems_allowed alloc_pages_current __page_cache_alloc | |--70.79%-- 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 | --29.21%-- __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% swapper [kernel.kallsyms] [k] load_balance | --- load_balance rebalance_domains run_rebalance_domains __do_softirq call_softirq do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle start_secondary 0.04% 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 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 0.04% tar [kernel.kallsyms] [k] __wake_up_bit | --- __wake_up_bit | |--89.40%-- 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 | --10.60%-- 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 0.04% tar [kernel.kallsyms] [k] get_parent_ip | --- get_parent_ip | |--29.28%-- sub_preempt_count | | | |--59.65%-- pagefault_enable | | 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 | | | --40.35%-- bit_spin_unlock | 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 | |--19.16%-- 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 | |--19.01%-- _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 | |--17.20%-- 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 | 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 | --15.36%-- add_preempt_count file_read_actor generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.04% tar [kernel.kallsyms] [k] ext4_mark_iloc_dirty | --- ext4_mark_iloc_dirty ext4_mark_inode_dirty | |--77.33%-- 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 | |--13.35%-- ext4_new_inode | ext4_create | vfs_create | do_last | path_openat | do_filp_open | do_sys_open | sys_openat | system_call_fastpath | __GI___openat | --9.32%-- ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.04% kswapd0 [kernel.kallsyms] [k] native_write_msr_safe | --- native_write_msr_safe paravirt_write_msr intel_pmu_disable_all x86_pmu_disable perf_pmu_disable perf_event_task_tick scheduler_tick update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt | |--50.07%-- zone_watermark_ok_safe | sleeping_prematurely.part.12 | kswapd | kthread | kernel_thread_helper | --49.93%-- kswapd kthread kernel_thread_helper 0.04% 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 0.04% kswapd0 [kernel.kallsyms] [k] __list_del_entry | --- __list_del_entry finish_wait kswapd kthread kernel_thread_helper 0.04% kswapd0 [kernel.kallsyms] [k] mcount | --- mcount _raw_spin_lock_irq shrink_zone kswapd kthread kernel_thread_helper 0.04% tar [kernel.kallsyms] [k] __percpu_counter_add | --- __percpu_counter_add | |--87.00%-- 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 | --13.00%-- __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 0.04% tar [kernel.kallsyms] [k] arch_read_unlock | --- arch_read_unlock | |--57.64%-- _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 | |--31.54%-- _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 | --10.82%-- 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 0.04% kswapd0 [kernel.kallsyms] [k] mem_cgroup_del_lru_list | --- mem_cgroup_del_lru_list mem_cgroup_del_lru isolate_lru_pages shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.04% kswapd0 [kernel.kallsyms] [k] test_and_set_bit | --- test_and_set_bit shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.04% tar [kernel.kallsyms] [k] __might_sleep | --- __might_sleep | |--22.45%-- kmem_cache_alloc | | | |--59.27%-- getname_flags | | getname | | do_sys_open | | sys_openat | | system_call_fastpath | | __GI___openat | | | --40.73%-- 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 | |--22.30%-- __alloc_pages_nodemask | alloc_pages_current | __page_cache_alloc | | | |--54.37%-- __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 | | | --45.63%-- 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 | |--15.00%-- 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 | |--11.33%-- __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 | |--11.31%-- 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 | |--10.36%-- 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 | --7.25%-- __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% kswapd0 [kernel.kallsyms] [k] debug_smp_processor_id | --- debug_smp_processor_id | |--50.69%-- __pagevec_free | free_page_list | shrink_page_list | shrink_inactive_list | shrink_zone | kswapd | kthread | kernel_thread_helper | --49.31%-- free_hot_cold_page __pagevec_free free_page_list shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.04% kswapd0 [kernel.kallsyms] [k] __mem_cgroup_uncharge_common | --- __mem_cgroup_uncharge_common mem_cgroup_uncharge_cache_page __remove_mapping shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.04% kswapd0 [kernel.kallsyms] [k] tag_get | --- tag_get | |--50.59%-- radix_tree_delete | __delete_from_page_cache | __remove_mapping | shrink_page_list | shrink_inactive_list | shrink_zone | kswapd | kthread | kernel_thread_helper | --49.41%-- __delete_from_page_cache __remove_mapping shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.03% flush-253:2 [kernel.kallsyms] [k] add_preempt_count | --- add_preempt_count | |--51.77%-- _raw_read_lock_irqsave | 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 | --48.23%-- blk_throtl_bio 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 0.03% tar [kernel.kallsyms] [k] __inc_zone_state | --- __inc_zone_state | |--49.98%-- __inc_zone_page_state | add_to_page_cache_locked | add_to_page_cache_lru | | | |--79.48%-- 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 | | | --20.52%-- 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 | |--32.04%-- zone_statistics | 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 | --17.98%-- 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 0.03% tar [kernel.kallsyms] [k] __list_del_entry | --- __list_del_entry | |--56.86%-- list_del | __rmqueue | get_page_from_freelist | __alloc_pages_nodemask | alloc_pages_current | __page_cache_alloc | | | |--78.10%-- __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 | | | --21.90%-- 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 | --43.14%-- __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 0.03% flush-253:2 [kernel.kallsyms] [k] dm_table_find_target | --- dm_table_find_target 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 0.03% tar [kernel.kallsyms] [k] jbd_lock_bh_state | --- jbd_lock_bh_state | |--61.84%-- 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 | | | |--72.93%-- 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 | | | --27.07%-- ext4_free_blocks | ext4_ext_truncate | ext4_truncate | ext4_evict_inode | evict | iput | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | --38.16%-- 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 0.03% flush-253:2 [kernel.kallsyms] [k] page_waitqueue | --- page_waitqueue 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 0.03% flush-253:2 [kernel.kallsyms] [k] radix_tree_lookup_element | --- radix_tree_lookup_element radix_tree_lookup_slot find_get_page __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 0.03% tar [kernel.kallsyms] [k] fcheck_files | --- fcheck_files fget_light | |--71.87%-- sys_read | system_call_fastpath | __GI___libc_read | --28.13%-- sys_write system_call_fastpath __GI___libc_write 0.03% flush-253:2 [kernel.kallsyms] [k] atomic_inc | --- atomic_inc 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 0.03% flush-253:2 [kernel.kallsyms] [k] lock_page | --- lock_page 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 0.03% tar [kernel.kallsyms] [k] put_page_testzero | --- put_page_testzero | |--70.70%-- release_pages | pagevec_lru_move_fn | ____pagevec_lru_add | __lru_cache_add | add_to_page_cache_lru | | | |--77.62%-- 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 | | | --22.38%-- 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 | --29.30%-- put_page 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% tar [kernel.kallsyms] [k] zone_watermark_ok | --- zone_watermark_ok get_page_from_freelist __alloc_pages_nodemask alloc_pages_current __page_cache_alloc | |--84.29%-- 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 | --15.71%-- __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% tar [kernel.kallsyms] [k] start_this_handle | --- start_this_handle jbd2__journal_start jbd2_journal_start ext4_journal_start_sb | |--86.30%-- 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 | --13.70%-- 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 0.03% 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 0.03% tar [kernel.kallsyms] [k] put_mems_allowed | --- put_mems_allowed | |--74.79%-- __alloc_pages_nodemask | alloc_pages_current | __page_cache_alloc | | | |--65.17%-- 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 | | | --34.83%-- __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 | --25.21%-- 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 0.03% tar [kernel.kallsyms] [k] debug_smp_processor_id | --- debug_smp_processor_id | |--57.28%-- 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 | |--25.57%-- 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 | --17.15%-- 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 0.03% swapper [kernel.kallsyms] [k] __wake_up_bit | --- __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 0.03% tar [kernel.kallsyms] [k] avc_has_perm_noaudit | --- avc_has_perm_noaudit avc_has_perm | |--82.82%-- inode_has_perm | | | |--71.72%-- dentry_has_perm | | selinux_inode_getattr | | security_inode_getattr | | vfs_getattr | | vfs_fstat | | sys_newfstat | | system_call_fastpath | | __GI___fxstat64 | | | --28.28%-- 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 | --17.18%-- 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 0.03% tar [kernel.kallsyms] [k] _raw_spin_lock_irqsave | --- _raw_spin_lock_irqsave 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 0.03% 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 0.03% tar [kernel.kallsyms] [k] list_del | --- list_del | |--55.44%-- get_page_from_freelist | __alloc_pages_nodemask | alloc_pages_current | __page_cache_alloc | | | |--67.14%-- 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 | | | --32.86%-- __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%-- 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 | --16.02%-- __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 0.02% tar [kernel.kallsyms] [k] __rmqueue | --- __rmqueue | |--77.01%-- 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 | --22.99%-- __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 0.02% tar [kernel.kallsyms] [k] __mem_cgroup_commit_charge_lrucare | --- __mem_cgroup_commit_charge_lrucare mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru | |--83.13%-- 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 | --16.87%-- 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 0.02% tar [kernel.kallsyms] [k] update_page_reclaim_stat | --- update_page_reclaim_stat ____pagevec_lru_add_fn pagevec_lru_move_fn ____pagevec_lru_add __lru_cache_add add_to_page_cache_lru | |--75.26%-- 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 | --24.74%-- 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 0.02% tar [kernel.kallsyms] [k] radix_tree_insert | --- radix_tree_insert add_to_page_cache_locked add_to_page_cache_lru | |--81.25%-- 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 | --18.75%-- 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 0.02% tar [kernel.kallsyms] [k] add_to_page_cache_locked | --- add_to_page_cache_locked add_to_page_cache_lru | |--62.06%-- 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 | --37.94%-- 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 0.02% tar [kernel.kallsyms] [k] page_waitqueue | --- page_waitqueue | |--58.60%-- 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 | --41.40%-- 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 0.02% tar [kernel.kallsyms] [k] up_read | --- up_read | |--52.38%-- 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 | --47.62%-- 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 0.02% swapper [kernel.kallsyms] [k] elv_completed_request | --- elv_completed_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 0.02% tar [kernel.kallsyms] [k] arch_local_irq_save | --- arch_local_irq_save | |--84.09%-- 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 | --15.91%-- 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 0.02% 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 0.02% flush-253:2 [kernel.kallsyms] [k] mcount | --- mcount _raw_spin_unlock_irqrestore 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 0.02% flush-253:2 [kernel.kallsyms] [k] clear_buffer_dirty | --- clear_buffer_dirty 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 0.02% 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 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 0.02% 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 0.02% swapper [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 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 0.02% tar [kernel.kallsyms] [k] _raw_spin_lock | --- _raw_spin_lock __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 0.02% tar [kernel.kallsyms] [k] touch_atime | --- touch_atime | |--90.35%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --9.65%-- do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.02% perf ld-2.13.90.so [.] _dl_fixup | --- _dl_fixup 0.02% 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 0.02% kswapd0 [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 i915_gem_inactive_shrink shrink_slab kswapd kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] apic_timer_interrupt | --- apic_timer_interrupt kswapd kthread kernel_thread_helper 0.02% kworker/2:1 [kernel.kallsyms] [k] ns_to_timeval | --- ns_to_timeval get_cpu_iowait_time_us do_dbs_timer process_one_work worker_thread kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] task_rq_lock | --- task_rq_lock 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 zone_watermark_ok_safe kswapd kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] hrtimer_run_queues | --- hrtimer_run_queues run_local_timers update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt kthread kernel_thread_helper 0.02% tar [kernel.kallsyms] [k] next_zones_zonelist | --- next_zones_zonelist | |--71.41%-- 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 | --28.59%-- __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 0.02% kswapd0 [kernel.kallsyms] [k] arch_local_irq_disable | --- arch_local_irq_disable run_local_timers update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt kswapd kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] __rcu_pending | --- __rcu_pending rcu_check_callbacks update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt kswapd kthread kernel_thread_helper 0.02% flush-253:2 [kernel.kallsyms] [k] write_cache_pages_da | --- 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 0.02% kswapd0 [kernel.kallsyms] [k] intel_pmu_disable_all | --- intel_pmu_disable_all x86_pmu_disable perf_pmu_disable perf_event_task_tick scheduler_tick update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt sleeping_prematurely.part.12 kswapd kthread kernel_thread_helper 0.02% swapper [kernel.kallsyms] [k] arch_local_save_flags | --- arch_local_save_flags arch_local_irq_save irqtime_account_process_tick 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 rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.02% kswapd0 [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore call_rcu d_free dentry_kill shrink_dentry_list __shrink_dcache_sb shrink_dcache_memory shrink_slab kswapd kthread kernel_thread_helper 0.02% tar [kernel.kallsyms] [k] SetPageLRU | --- SetPageLRU | |--66.95%-- ____pagevec_lru_add_fn | pagevec_lru_move_fn | ____pagevec_lru_add | __lru_cache_add | add_to_page_cache_lru | | | |--56.88%-- 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 | | | --43.12%-- 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 | --33.05%-- 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 0.02% kswapd0 [kernel.kallsyms] [k] run_timer_softirq | --- run_timer_softirq __do_softirq call_softirq do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt i915_gem_inactive_shrink shrink_slab kswapd kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] __isolate_lru_page | --- __isolate_lru_page isolate_lru_pages shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] arch_local_save_flags | --- arch_local_save_flags __might_sleep shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] radix_tree_delete | --- radix_tree_delete __delete_from_page_cache __remove_mapping shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.02% 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 0.02% flush-253:2 [kernel.kallsyms] [k] ext4_map_blocks | --- ext4_map_blocks 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 0.02% tar [kernel.kallsyms] [k] arch_local_save_flags | --- arch_local_save_flags __might_sleep | |--51.15%-- __getblk | __ext4_get_inode_loc | ext4_get_inode_loc | | | |--50.51%-- ext4_reserve_inode_write | | ext4_mark_inode_dirty | | ext4_ext_truncate | | ext4_truncate | | ext4_evict_inode | | evict | | iput | | do_unlinkat | | sys_unlinkat | | system_call_fastpath | | unlinkat | | | --49.49%-- 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 | --48.85%-- 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 0.02% kswapd0 [kernel.kallsyms] [k] mem_cgroup_uncharge_cache_page | --- mem_cgroup_uncharge_cache_page shrink_page_list shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] update_curr | --- update_curr task_tick_fair scheduler_tick update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt kswapd kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] timerqueue_del | --- timerqueue_del __remove_hrtimer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt _raw_spin_unlock_irqrestore prepare_to_wait kswapd kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] ack_APIC_irq | --- ack_APIC_irq smp_apic_timer_interrupt apic_timer_interrupt kswapd kthread kernel_thread_helper 0.02% kworker/2:1 [kernel.kallsyms] [k] too_many_workers | --- too_many_workers worker_enter_idle worker_thread kthread kernel_thread_helper 0.02% kswapd0 [kernel.kallsyms] [k] update_isolated_counts | --- update_isolated_counts shrink_inactive_list shrink_zone kswapd kthread kernel_thread_helper 0.02% flush-253:2 [kernel.kallsyms] [k] test_ti_thread_flag.constprop.6 | --- test_ti_thread_flag.constprop.6 _raw_spin_unlock_irqrestore 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 0.02% flush-253:2 [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_ext_dirty ext4_ext_insert_extent ext4_ext_map_blocks ext4_map_blocks 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 0.02% flush-253:2 [kernel.kallsyms] [k] radix_tree_tag_set | --- radix_tree_tag_set 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 0.02% flush-253:2 [kernel.kallsyms] [k] __lookup | --- __lookup radix_tree_gang_lookup_slot 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 0.02% flush-253:2 [kernel.kallsyms] [k] page_cache_get_speculative | --- page_cache_get_speculative 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 0.02% flush-253:2 [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore _raw_spin_unlock_irqrestore 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 0.02% flush-253:2 [kernel.kallsyms] [k] ext4_ext_map_blocks | --- ext4_ext_map_blocks ext4_map_blocks 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 0.02% flush-253:2 [kernel.kallsyms] [k] jbd_lock_bh_state | --- jbd_lock_bh_state jbd2_journal_dirty_metadata __ext4_handle_dirty_metadata ext4_mb_mark_diskspace_used ext4_mb_new_blocks ext4_ext_map_blocks ext4_map_blocks 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 0.02% flush-253:2 [kernel.kallsyms] [k] sub_preempt_count | --- sub_preempt_count jbd_unlock_bh_state jbd2_journal_dirty_metadata __ext4_handle_dirty_metadata ext4_mb_mark_diskspace_used ext4_mb_new_blocks ext4_ext_map_blocks ext4_map_blocks 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 0.02% tar [kernel.kallsyms] [k] alloc_pages_current | --- alloc_pages_current __page_cache_alloc | |--72.21%-- 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 | --27.79%-- __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 0.02% 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 0.02% flush-253:2 [kernel.kallsyms] [k] ext4_mb_complex_scan_group | --- ext4_mb_complex_scan_group ext4_mb_regular_allocator ext4_mb_new_blocks ext4_ext_map_blocks ext4_map_blocks 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 0.02% top [kernel.kallsyms] [k] __d_lookup | --- __d_lookup d_lookup proc_fill_cache proc_pid_readdir proc_root_readdir vfs_readdir sys_getdents system_call_fastpath __getdents64 0.02% flush-253:2 [kernel.kallsyms] [k] kmem_cache_alloc | --- kmem_cache_alloc ext4_init_io_end 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 0.02% tar [kernel.kallsyms] [k] page_cache_get_speculative | --- page_cache_get_speculative find_get_page | |--51.46%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --48.54%-- 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 0.02% flush-253:2 [kernel.kallsyms] [k] mb_find_extent.constprop.12 | --- mb_find_extent.constprop.12 ext4_mb_complex_scan_group ext4_mb_regular_allocator ext4_mb_new_blocks ext4_ext_map_blocks ext4_map_blocks 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 0.02% 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 0.02% top libc-2.13.90.so [.] __GI_vfprintf | --- __GI_vfprintf ___vsprintf_chk 0.02% tar [kernel.kallsyms] [k] ext4_da_get_block_prep | --- ext4_da_get_block_prep | |--75.27%-- __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 | --24.73%-- 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 0.02% top [kernel.kallsyms] [k] getname_flags | --- getname_flags getname do_sys_open sys_open system_call_fastpath __GI___libc_open 0.02% swapper [kernel.kallsyms] [k] __count_vm_events | --- __count_vm_events __free_pages __free_slab discard_slab __slab_free kmem_cache_free ext4_free_io_end 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 0.02% swapper [kernel.kallsyms] [k] tick_check_idle | --- tick_check_idle irq_enter | |--73.47%-- smp_call_function_single_interrupt | call_function_single_interrupt | cpuidle_idle_call | cpu_idle | start_secondary | --26.53%-- smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.02% flush-253:2 [kernel.kallsyms] [k] find_next_zero_bit | --- find_next_zero_bit mb_find_next_zero_bit ext4_mb_complex_scan_group ext4_mb_regular_allocator ext4_mb_new_blocks ext4_ext_map_blocks ext4_map_blocks 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 0.02% 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 0.02% flush-253:2 [kernel.kallsyms] [k] mb_find_buddy | --- mb_find_buddy mb_mark_used ext4_mb_use_best_found ext4_mb_check_limits ext4_mb_complex_scan_group ext4_mb_regular_allocator ext4_mb_new_blocks ext4_ext_map_blocks ext4_map_blocks 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 0.02% swapper [kernel.kallsyms] [k] __rcu_read_unlock | --- __rcu_read_unlock __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 0.02% 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 0.02% 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 0.02% swapper [kernel.kallsyms] [k] __do_softirq | --- __do_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 0.02% swapper [kernel.kallsyms] [k] select_task_rq_fair | --- select_task_rq_fair select_task_rq 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 0.02% tar [kernel.kallsyms] [k] do_get_write_access | --- do_get_write_access | |--70.88%-- jbd2_journal_get_write_access | __ext4_journal_get_write_access | | | |--54.37%-- ext4_new_inode | | ext4_create | | vfs_create | | do_last | | path_openat | | do_filp_open | | do_sys_open | | sys_openat | | system_call_fastpath | | __GI___openat | | | --45.63%-- ext4_reserve_inode_write | ext4_orphan_add | ext4_unlink | vfs_unlink | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | --29.12%-- __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 0.02% tar [kernel.kallsyms] [k] in_lock_functions | --- in_lock_functions | |--58.27%-- get_parent_ip | add_preempt_count | | | |--56.37%-- 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 | | | --43.63%-- 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 | --41.73%-- sub_preempt_count 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 0.02% tar [kernel.kallsyms] [k] jbd2_journal_dirty_metadata | --- 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 0.02% 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 0.02% tar [kernel.kallsyms] [k] block_write_end | --- block_write_end | |--67.22%-- 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 | --32.78%-- 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 0.02% flush-253:2 [kernel.kallsyms] [k] mb_test_bit | --- mb_test_bit mb_find_order_for_block mb_find_extent.constprop.12 ext4_mb_complex_scan_group ext4_mb_regular_allocator ext4_mb_new_blocks ext4_ext_map_blocks ext4_map_blocks 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 0.01% tar [kernel.kallsyms] [k] attach_page_buffers | --- attach_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 0.01% 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 0.01% tar [kernel.kallsyms] [k] do_sync_read | --- do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.01% 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 0.01% tar [kernel.kallsyms] [k] jbd2__journal_start | --- jbd2__journal_start jbd2_journal_start ext4_journal_start_sb | |--73.97%-- 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 | --26.03%-- 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 0.01% tar [kernel.kallsyms] [k] iov_iter_advance | --- iov_iter_advance __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.01% 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 0.01% jbd2/dm-2-8 [kernel.kallsyms] [k] elv_rq_merge_ok | --- elv_rq_merge_ok elv_try_merge __make_request generic_make_request submit_bio submit_bh jbd2_journal_commit_transaction kjournald2 kthread kernel_thread_helper 0.01% tar [kernel.kallsyms] [k] clear_bit_unlock | --- clear_bit_unlock 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 0.01% swapper [kernel.kallsyms] [k] page_waitqueue | --- page_waitqueue | |--52.26%-- 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 | --47.74%-- 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 0.01% 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 0.01% tar [kernel.kallsyms] [k] bit_spin_lock | --- 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 | |--76.11%-- 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 | --23.89%-- 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 0.01% flush-253:2 [kernel.kallsyms] [k] writeback_single_inode | --- writeback_single_inode writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.01% tar [kernel.kallsyms] [k] find_get_page | --- find_get_page | |--70.62%-- __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 | --29.38%-- generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.01% flush-253:2 [kernel.kallsyms] [k] __ext4_get_inode_loc | --- __ext4_get_inode_loc ext4_get_inode_loc 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 0.01% tar [kernel.kallsyms] [k] fsnotify_modify | --- fsnotify_modify | |--73.71%-- vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --26.29%-- sys_write system_call_fastpath __GI___libc_write 0.01% swapper [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 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 0.01% 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 0.01% swapper [kernel.kallsyms] [k] _raw_spin_lock_irqsave | --- _raw_spin_lock_irqsave | |--44.23%-- 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 | |--32.84%-- 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 | --22.93%-- pm_qos_request menu_select cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% 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 0.01% tar [kernel.kallsyms] [k] sg_next | --- sg_next | |--36.30%-- 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 | |--32.06%-- 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 | --31.64%-- 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 0.01% tar [kernel.kallsyms] [k] __rcu_read_unlock | --- __rcu_read_unlock | |--70.72%-- __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 | --29.28%-- avc_has_perm_noaudit task_has_capability selinux_capable security_capable ns_capable capable setattr_copy ext4_setattr notify_change sys_fchmod system_call_fastpath __GI___fchmod 0.01% tar [kernel.kallsyms] [k] _raw_spin_unlock | --- _raw_spin_unlock | |--36.11%-- smp_apic_timer_interrupt | apic_timer_interrupt | __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 | |--34.75%-- 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 | --29.14%-- __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 0.01% 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 0.01% tar [kernel.kallsyms] [k] map_bh | --- map_bh 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 0.01% tar [kernel.kallsyms] [k] memcmp | --- memcmp | |--67.73%-- ext4_dx_find_entry | ext4_find_entry | 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 | --32.27%-- search_dirblock ext4_dx_find_entry ext4_find_entry ext4_unlink vfs_unlink do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.01% swapper [kernel.kallsyms] [k] test_ti_thread_flag | --- test_ti_thread_flag 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 0.01% swapper [kernel.kallsyms] [k] clone_endio | --- 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 0.01% swapper [kernel.kallsyms] [k] __slab_free | --- __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 0.01% swapper [kernel.kallsyms] [k] nr_iowait_cpu | --- nr_iowait_cpu tick_nohz_stop_idle tick_check_idle irq_enter smp_call_function_single_interrupt call_function_single_interrupt cpuidle_idle_call cpu_idle start_secondary 0.01% swapper [kernel.kallsyms] [k] timekeeping_get_ns | --- timekeeping_get_ns getnstimeofday ktime_get_real intel_idle cpuidle_idle_call cpu_idle start_secondary 0.01% flush-253:2 [kernel.kallsyms] [k] crc16 | --- crc16 ext4_group_desc_csum ext4_mb_mark_diskspace_used ext4_mb_new_blocks ext4_ext_map_blocks ext4_map_blocks 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 0.01% tar [kernel.kallsyms] [k] ata_scsi_queuecmd | --- ata_scsi_queuecmd 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 0.01% tar [kernel.kallsyms] [k] jbd2_journal_put_journal_head | --- 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 | |--60.89%-- 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 | --39.11%-- ext4_free_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.01% tar [kernel.kallsyms] [k] ext4_da_write_end | --- ext4_da_write_end | |--68.79%-- 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 | --31.21%-- __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.01% 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 | |--51.45%-- get_parent_ip | add_preempt_count | __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 | --48.55%-- find_get_page __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 0.01% tar [kernel.kallsyms] [k] __inc_zone_page_state | --- __inc_zone_page_state | |--61.16%-- 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 | --38.84%-- 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 0.01% swapper [kernel.kallsyms] [k] account_idle_time | --- account_idle_time account_idle_ticks tick_nohz_restart_sched_tick cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% tar [kernel.kallsyms] [k] recalc_bh_state | --- recalc_bh_state | |--62.12%-- 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 | --37.88%-- 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 0.01% swapper [kernel.kallsyms] [k] put_page_testzero | --- put_page_testzero put_page 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 0.01% tar [kernel.kallsyms] [k] generic_segment_checks | --- generic_segment_checks | |--56.32%-- generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --43.68%-- __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.01% swapper [kernel.kallsyms] [k] arch_local_irq_save | --- arch_local_irq_save __free_pages __free_slab discard_slab __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 0.01% tar [kernel.kallsyms] [k] rw_verify_area | --- rw_verify_area | |--65.20%-- vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --34.80%-- vfs_write sys_write system_call_fastpath __GI___libc_write 0.01% tar [kernel.kallsyms] [k] file_update_time | --- file_update_time | |--70.97%-- __generic_file_aio_write | generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --29.03%-- generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.01% flush-253:2 [kernel.kallsyms] [k] alloc_tio | --- alloc_tio dm_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 0.01% tar [kernel.kallsyms] [k] __mark_inode_dirty | --- __mark_inode_dirty __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 0.01% tar [kernel.kallsyms] [k] _raw_spin_unlock_irqrestore | --- _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 0.01% 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 0.01% tar [kernel.kallsyms] [k] lookup_page_cgroup | --- lookup_page_cgroup __mem_cgroup_commit_charge_lrucare mem_cgroup_cache_charge add_to_page_cache_locked add_to_page_cache_lru | |--53.32%-- 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 | --46.68%-- 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 0.01% tar [kernel.kallsyms] [k] _raw_spin_unlock_irq | --- _raw_spin_unlock_irq add_to_page_cache_locked add_to_page_cache_lru | |--69.09%-- 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 | --30.91%-- 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 0.01% 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 0.01% tar [kernel.kallsyms] [k] ext4_acl_chmod | --- ext4_acl_chmod notify_change sys_fchmod system_call_fastpath __GI___fchmod 0.01% flush-253:2 [kernel.kallsyms] [k] start_this_handle | --- start_this_handle jbd2__journal_start jbd2_journal_start ext4_journal_start_sb 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 0.01% tar [kernel.kallsyms] [k] _raw_read_lock | --- _raw_read_lock | |--56.63%-- 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 | --43.37%-- 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 0.01% swapper [kernel.kallsyms] [k] mix_pool_bytes_extract | --- mix_pool_bytes_extract add_timer_randomness add_disk_randomness 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 0.01% tar [kernel.kallsyms] [k] system_call_after_swapgs | --- system_call_after_swapgs __GI___libc_read 0.01% tar [kernel.kallsyms] [k] ext4_claim_free_blocks | --- ext4_claim_free_blocks | |--53.08%-- __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 | --46.92%-- 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 0.01% tar [kernel.kallsyms] [k] sys_write | --- sys_write system_call_fastpath __GI___libc_write 0.01% tar [kernel.kallsyms] [k] mcount | --- mcount | |--52.17%-- 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 | --47.83%-- _raw_spin_unlock 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 0.01% tar [kernel.kallsyms] [k] pagevec_lru_move_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 0.01% tar [kernel.kallsyms] [k] jbd2_journal_add_journal_head | --- 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 0.01% 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 0.01% tar [kernel.kallsyms] [k] virt_to_head_page | --- virt_to_head_page | |--57.98%-- 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 | --42.02%-- 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 0.01% tar [kernel.kallsyms] [k] mb_test_bit | --- mb_test_bit | |--53.79%-- ext4_free_blocks | ext4_ext_truncate | ext4_truncate | ext4_evict_inode | evict | iput | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | --46.21%-- mb_free_blocks ext4_free_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.01% tar [kernel.kallsyms] [k] atomic_inc | --- atomic_inc | |--57.00%-- 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 | --43.00%-- 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 0.01% tar [kernel.kallsyms] [k] ahci_qc_prep | --- ahci_qc_prep | |--56.69%-- __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 | --43.31%-- 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 0.01% 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 0.01% tar [kernel.kallsyms] [k] iov_iter_fault_in_readable | --- iov_iter_fault_in_readable | |--51.45%-- 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 | --48.55%-- __generic_file_aio_write generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.01% tar [kernel.kallsyms] [k] inode_reserved_space | --- inode_reserved_space | |--54.74%-- 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 | --45.26%-- __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 0.01% tar [kernel.kallsyms] [k] update_curr | --- update_curr 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 0.01% tar [kernel.kallsyms] [k] atomic_sub | --- atomic_sub | |--56.22%-- __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 | --43.78%-- 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 0.01% 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 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 0.01% tar [kernel.kallsyms] [k] prop_norm_single | --- prop_norm_single | |--55.85%-- 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 | --44.15%-- __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 0.01% tar [kernel.kallsyms] [k] jbd_unlock_bh_state | --- jbd_unlock_bh_state | |--50.48%-- 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 | --49.52%-- 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 0.01% tar [kernel.kallsyms] [k] arch_local_irq_disable | --- arch_local_irq_disable arch_local_irq_save _raw_spin_lock_irqsave | |--65.53%-- __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 | --34.47%-- 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 0.01% tar [kernel.kallsyms] [k] __generic_file_aio_write | --- __generic_file_aio_write | |--53.33%-- generic_file_aio_write | ext4_file_write | do_sync_write | vfs_write | sys_write | system_call_fastpath | __GI___libc_write | --46.67%-- ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.01% 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 0.01% flush-253:2 [kernel.kallsyms] [k] _raw_read_lock_irqsave | --- _raw_read_lock_irqsave 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 0.01% tar [kernel.kallsyms] [k] __find_get_block | --- __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 | |--64.27%-- 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 | --35.73%-- 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 0.01% tar [kernel.kallsyms] [k] __split_and_process_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 0.01% tar [kernel.kallsyms] [k] memcg_check_events | --- 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 | |--52.26%-- 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 | --47.74%-- 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 0.01% 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 0.01% kworker/0:2 [kernel.kallsyms] [k] bit_cursor | --- bit_cursor fb_flashcursor process_one_work worker_thread kthread kernel_thread_helper 0.01% tar [kernel.kallsyms] [k] __set_page_dirty | --- __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 0.01% tar [kernel.kallsyms] [k] ext4_file_write | --- ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.01% tar [kernel.kallsyms] [k] bit_spin_unlock | --- bit_spin_unlock 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 0.01% tar [kernel.kallsyms] [k] fget_light | --- fget_light sys_read system_call_fastpath __GI___libc_read 0.01% flush-253:2 [kernel.kallsyms] [k] ext4_clear_inode_state | --- ext4_clear_inode_state ext4_map_blocks 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 0.01% swapper [kernel.kallsyms] [k] ahci_scr_read | --- ahci_scr_read sata_scr_read sata_async_notification 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 0.01% tar [kernel.kallsyms] [k] add_to_page_cache_lru | --- 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 0.01% swapper [kernel.kallsyms] [k] arch_local_save_flags | --- arch_local_save_flags _local_bh_enable 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 0.01% tar [kernel.kallsyms] [k] current_fs_time | --- current_fs_time | |--50.34%-- touch_atime | generic_file_aio_read | do_sync_read | vfs_read | sys_read | system_call_fastpath | __GI___libc_read | --49.66%-- 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 0.01% 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 0.01% tar [kernel.kallsyms] [k] mb_clear_bit | --- mb_clear_bit | |--57.54%-- ext4_free_blocks | ext4_ext_truncate | ext4_truncate | ext4_evict_inode | evict | iput | do_unlinkat | sys_unlinkat | system_call_fastpath | unlinkat | --42.46%-- mb_free_blocks ext4_free_blocks ext4_ext_truncate ext4_truncate ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.01% tar [kernel.kallsyms] [k] __list_add | --- __list_add 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 0.01% tar [kernel.kallsyms] [k] task_dirty_inc | --- task_dirty_inc __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 0.01% tar [kernel.kallsyms] [k] vfs_read | --- vfs_read sys_read system_call_fastpath __GI___libc_read 0.01% tar [kernel.kallsyms] [k] bit_spin_lock | --- bit_spin_lock | |--55.69%-- 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 | --44.31%-- 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 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 0.01% swapper [kernel.kallsyms] [k] paravirt_read_tsc | --- paravirt_read_tsc read_tsc timekeeping_get_ns ktime_get tick_nohz_stop_sched_tick cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% 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 0.01% 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 0.01% tar [kernel.kallsyms] [k] clear_buffer_new | --- clear_buffer_new | |--57.80%-- __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 | --42.20%-- 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 0.01% 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 0.01% tar [kernel.kallsyms] [k] __prop_inc_single | --- __prop_inc_single | |--52.30%-- 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 | --47.70%-- 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 0.01% 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 0.01% swapper [kernel.kallsyms] [k] menu_select | --- menu_select | |--59.21%-- cpu_idle | rest_init | start_kernel | x86_64_start_reservations | x86_64_start_kernel | --40.79%-- cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% swapper [kernel.kallsyms] [k] scsi_decide_disposition | --- scsi_decide_disposition 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 0.01% tar [kernel.kallsyms] [k] bit_spin_trylock.constprop.23 | --- bit_spin_trylock.constprop.23 get_partial_node __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 0.01% swapper [kernel.kallsyms] [k] exit_idle | --- exit_idle do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% 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 0.01% swapper [kernel.kallsyms] [k] do_raw_spin_lock | --- do_raw_spin_lock _raw_spin_lock_irq schedule cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% tar [kernel.kallsyms] [k] get_cwq | --- get_cwq __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_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 0.01% tar [kernel.kallsyms] [k] ____pagevec_lru_add_fn | --- ____pagevec_lru_add_fn pagevec_lru_move_fn ____pagevec_lru_add __lru_cache_add add_to_page_cache_lru | |--57.19%-- 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 | --42.81%-- 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 0.01% 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 0.01% 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 0.01% 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 0.01% swapper [kernel.kallsyms] [k] leave_mm | --- leave_mm intel_idle cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% tar [kernel.kallsyms] [k] __lru_cache_add | --- __lru_cache_add 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 0.01% tar libc-2.13.90.so [.] __GI___libc_write | --- __GI___libc_write 0.01% swapper [kernel.kallsyms] [k] task_rq_lock | --- task_rq_lock 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 cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% tar [kernel.kallsyms] [k] __elv_add_request | --- __elv_add_request 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 0.01% tar [kernel.kallsyms] [k] may_link | --- may_link selinux_inode_unlink security_inode_unlink vfs_unlink do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.01% tar [kernel.kallsyms] [k] __find_get_block_slow | --- __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 0.01% 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 0.01% flush-253:2 [kernel.kallsyms] [k] do_raw_spin_lock | --- do_raw_spin_lock _raw_spin_lock writeback_sb_inodes writeback_inodes_wb wb_writeback wb_do_writeback bdi_writeback_thread kthread kernel_thread_helper 0.01% tar [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore __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 0.01% tar [kernel.kallsyms] [k] delayacct_blkio_start | --- delayacct_blkio_start 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 0.01% tar [kernel.kallsyms] [k] current_umask | --- current_umask ext4_init_acl ext4_new_inode ext4_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.01% tar [kernel.kallsyms] [k] linear_merge | --- linear_merge 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 0.01% flush-253:2 [kernel.kallsyms] [k] get_parent_ip | --- get_parent_ip _raw_spin_lock ext4_discard_preallocations ext4_da_update_reserve_space ext4_ext_map_blocks ext4_map_blocks 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 0.01% tar [kernel.kallsyms] [k] __blk_run_queue | --- __blk_run_queue 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 0.01% tar [kernel.kallsyms] [k] __page_cache_alloc | --- __page_cache_alloc 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 0.01% swapper [kernel.kallsyms] [k] arch_local_irq_restore | --- arch_local_irq_restore account_system_vtime irq_exit do_IRQ common_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% tar [kernel.kallsyms] [k] ext4_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 0.01% tar [kernel.kallsyms] [k] __slab_alloc | --- __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 0.01% 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 0.01% tar [kernel.kallsyms] [k] task_of | --- task_of 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 0.01% swapper [kernel.kallsyms] [k] tick_program_event | --- tick_program_event smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% perf [kernel.kallsyms] [k] __wake_up_bit | --- __wake_up_bit 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 __write_nocancel 0x4191c6 0x40f7a9 0x40ef8c __libc_start_main 0.01% perf [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 __write_nocancel 0x4191c6 0x40f7a9 0x40ef8c __libc_start_main 0.01% kworker/0:2 [kernel.kallsyms] [k] native_read_msr_safe | --- native_read_msr_safe acpi_cpufreq_init do_drv_write acpi_cpufreq_target __cpufreq_driver_target do_dbs_timer process_one_work worker_thread kthread kernel_thread_helper 0.01% tar [kernel.kallsyms] [k] kmem_cache_free | --- kmem_cache_free __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 0.01% tar [kernel.kallsyms] [k] ext4_journal_start_sb | --- ext4_journal_start_sb 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 0.01% tar [kernel.kallsyms] [k] 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 0.01% 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 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 0.01% swapper [kernel.kallsyms] [k] hrtick_update | --- hrtick_update enqueue_task activate_task 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 cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% tar [kernel.kallsyms] [k] mem_cgroup_get_reclaim_stat_from_page | --- mem_cgroup_get_reclaim_stat_from_page ____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 0.01% swapper [kernel.kallsyms] [k] bio_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 0.01% tar [kernel.kallsyms] [k] kfree | --- kfree 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 0.01% 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 0.01% tar [kernel.kallsyms] [k] ext4_test_inode_flag | --- ext4_test_inode_flag 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 0.01% swapper [kernel.kallsyms] [k] scsi_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 0.01% kworker/0:2 [cpufreq_ondemand] [k] do_dbs_timer | --- do_dbs_timer worker_thread kthread kernel_thread_helper 0.01% tar [kernel.kallsyms] [k] alloc_page_buffers | --- 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 0.01% 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 0.01% swapper [kernel.kallsyms] [k] test_ti_thread_flag.constprop.7 | --- test_ti_thread_flag.constprop.7 smp_apic_timer_interrupt apic_timer_interrupt cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.01% tar [kernel.kallsyms] [k] 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 0.01% tar [kernel.kallsyms] [k] inode_permission | --- inode_permission vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.01% kworker/0:2 [kernel.kallsyms] [k] kobject_get | --- kobject_get __cpufreq_driver_getavg do_dbs_timer process_one_work worker_thread kthread kernel_thread_helper 0.01% tar [kernel.kallsyms] [k] __wake_up_common | --- __wake_up_common __wake_up jbd2_journal_stop __ext4_journal_stop 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 0.01% tar [kernel.kallsyms] [k] ext4_read_inode_bitmap | --- ext4_read_inode_bitmap ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.01% tar [kernel.kallsyms] [k] mnt_add_count | --- mnt_add_count mntget path_get nameidata_to_filp do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.01% tar [kernel.kallsyms] [k] schedule | --- 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 0.00% swapper [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 cpuidle_idle_call cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.00% tar [kernel.kallsyms] [k] inode_doinit_with_dentry | --- inode_doinit_with_dentry selinux_d_instantiate security_d_instantiate d_instantiate ext4_add_nondir ext4_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.00% tar [kernel.kallsyms] [k] radix_tree_preload | --- 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 0.00% 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 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 0.00% swapper [kernel.kallsyms] [k] unmap_single | --- 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 0.00% tar libc-2.13.90.so [.] _int_malloc | --- _int_malloc 0.00% tar [kernel.kallsyms] [k] ext4_test_inode_state | --- ext4_test_inode_state 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 0.00% tar [kernel.kallsyms] [k] test_ti_thread_flag.constprop.6 | --- test_ti_thread_flag.constprop.6 __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 0.00% 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 0.00% tar [kernel.kallsyms] [k] queue_unplugged | --- 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 0.00% tar [kernel.kallsyms] [k] mutex_lock | --- mutex_lock ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.00% tar [kernel.kallsyms] [k] crc16 | --- crc16 ext4_group_desc_csum ext4_new_inode ext4_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.00% tar [kernel.kallsyms] [k] lock_page_killable | --- lock_page_killable generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.00% tar [kernel.kallsyms] [k] lock_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 0.00% 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 0.00% tar [kernel.kallsyms] [k] setup_object | --- setup_object 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 0.00% 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 0.00% tar [kernel.kallsyms] [k] system_call_fastpath | --- system_call_fastpath __GI___libc_write 0.00% tar [kernel.kallsyms] [k] unlock_page | --- 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 0.00% tar [kernel.kallsyms] [k] blk_throtl_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 0.00% tar [kernel.kallsyms] [k] ihold | --- ihold do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.00% 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 0.00% 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 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 0.00% swapper [kernel.kallsyms] [k] _raw_spin_unlock | --- _raw_spin_unlock 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 0.00% 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 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 0.00% tar [kernel.kallsyms] [k] fput_light | --- fput_light system_call_fastpath __GI___libc_write 0.00% tar [kernel.kallsyms] [k] audit_inode.constprop.6 | --- audit_inode.constprop.6 system_call_fastpath __GI___fchown 0.00% tar [kernel.kallsyms] [k] ext4_test_inode_state | --- ext4_test_inode_state 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 0.00% tar [kernel.kallsyms] [k] system_call | --- system_call __GI___libc_write 0.00% 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 0.00% tar [kernel.kallsyms] [k] radix_tree_lookup_slot | --- radix_tree_lookup_slot generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.00% tar [kernel.kallsyms] [k] apic_timer_interrupt | --- apic_timer_interrupt generic_file_aio_read do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.00% tar [kernel.kallsyms] [k] __rcu_read_lock | --- __rcu_read_lock __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 0.00% tar [kernel.kallsyms] [k] arch_local_irq_enable | --- arch_local_irq_enable _raw_spin_unlock_irq __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 0.00% 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 0.00% tar [kernel.kallsyms] [k] dquot_active | --- dquot_active __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 0.00% sleep [kernel.kallsyms] [k] tlb_gather_mmu | --- tlb_gather_mmu mmput exit_mm do_exit do_group_exit __wake_up_parent system_call_fastpath 0.00% tar [kernel.kallsyms] [k] test_ti_thread_flag | --- test_ti_thread_flag __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 0.00% swapper [kernel.kallsyms] [k] bvec_free_bs | --- bvec_free_bs dm_bio_destructor bio_put 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 0.00% 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 0.00% 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 0.00% tar [kernel.kallsyms] [k] _raw_spin_lock_irq | --- _raw_spin_lock_irq 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 0.00% tar [kernel.kallsyms] [k] posix_acl_release | --- posix_acl_release ext4_new_inode ext4_create vfs_create do_last path_openat do_filp_open do_sys_open sys_openat system_call_fastpath __GI___openat 0.00% tar [kernel.kallsyms] [k] ext4_dirty_inode | --- ext4_dirty_inode 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 0.00% swapper [kernel.kallsyms] [k] test_clear_page_writeback | --- 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 0.00% tar [kernel.kallsyms] [k] deadline_dispatch_requests | --- 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 0.00% tar [kernel.kallsyms] [k] deadline_move_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 0.00% kworker/0:2 [kernel.kallsyms] [k] schedule | --- schedule worker_thread kthread kernel_thread_helper 0.00% tar [kernel.kallsyms] [k] blk_start_plug | --- blk_start_plug 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 0.00% 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 0.00% tar [kernel.kallsyms] [k] strncpy_from_user | --- strncpy_from_user getname user_path_parent do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.00% 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 0.00% swapper [kernel.kallsyms] [k] update_curr | --- update_curr 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 0.00% swapper [kernel.kallsyms] [k] debug_smp_processor_id | --- debug_smp_processor_id 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 0.00% tar [kernel.kallsyms] [k] page_cache_async_readahead | --- page_cache_async_readahead do_sync_read vfs_read sys_read system_call_fastpath __GI___libc_read 0.00% tar [kernel.kallsyms] [k] bvec_alloc_bs | --- bvec_alloc_bs 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 0.00% swapper [kernel.kallsyms] [k] page_mapping | --- page_mapping 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 0.00% swapper [kernel.kallsyms] [k] kmem_cache_free | --- kmem_cache_free mempool_free_slab mempool_free 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 0.00% swapper [kernel.kallsyms] [k] prop_norm_percpu | --- prop_norm_percpu __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 0.00% 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 0.00% tar [kernel.kallsyms] [k] atomic_inc | --- atomic_inc 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 0.00% tar [kernel.kallsyms] [k] bit_waitqueue | --- bit_waitqueue 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 0.00% swapper [kernel.kallsyms] [k] apic_write | --- apic_write ack_APIC_irq ack_apic_edge 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 0.00% swapper [kernel.kallsyms] [k] native_write_msr_safe | --- native_write_msr_safe 0.00% swapper [kernel.kallsyms] [k] req_bio_endio | --- req_bio_endio 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 0.00% tar [kernel.kallsyms] [k] __wake_up | --- __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 0.00% tar [kernel.kallsyms] [k] mem_cgroup_disabled | --- mem_cgroup_disabled 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 0.00% tar [kernel.kallsyms] [k] __make_request | --- __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 0.00% swapper [kernel.kallsyms] [k] tick_check_oneshot_broadcast | --- tick_check_oneshot_broadcast 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 0.00% tar [kernel.kallsyms] [k] raise_softirq | --- raise_softirq update_process_times tick_sched_timer __run_hrtimer hrtimer_interrupt smp_apic_timer_interrupt apic_timer_interrupt radix_tree_preload_end 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 0.00% tar [kernel.kallsyms] [k] ext4_setattr | --- ext4_setattr notify_change utimes_common do_utimes sys_utimensat system_call_fastpath futimens 0.00% swapper [kernel.kallsyms] [k] native_sched_clock | --- native_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 0.00% swapper [kernel.kallsyms] [k] read_tsc | --- read_tsc timekeeping_get_ns 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 0.00% tar [kernel.kallsyms] [k] cap_inode_need_killpriv | --- cap_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 0.00% tar [kernel.kallsyms] [k] __cycles_2_ns | --- __cycles_2_ns 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 0.00% tar [kernel.kallsyms] [k] load_balance | --- 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 0.00% tar [kernel.kallsyms] [k] read_tsc | --- read_tsc ktime_get_ts 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 0.00% tar [kernel.kallsyms] [k] scsi_sg_alloc | --- scsi_sg_alloc __sg_alloc_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 0.00% tar [kernel.kallsyms] [k] cpuacct_charge | --- cpuacct_charge update_curr 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 0.00% tar [kernel.kallsyms] [k] elv_rqhash_add | --- elv_rqhash_add __elv_add_request 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 0.00% tar [kernel.kallsyms] [k] test_ti_thread_flag.constprop.22 | --- test_ti_thread_flag.constprop.22 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 0.00% tar [kernel.kallsyms] [k] ata_find_dev.part.3 | --- ata_find_dev.part.3 __ata_scsi_find_dev ata_scsi_find_dev 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 0.00% tar [kernel.kallsyms] [k] fsnotify | --- fsnotify fsnotify_modify vfs_write sys_write system_call_fastpath __GI___libc_write 0.00% 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 0.00% kworker/0:2 [kernel.kallsyms] [k] ns_to_timeval | --- ns_to_timeval get_cpu_iowait_time_us do_dbs_timer process_one_work worker_thread kthread kernel_thread_helper 0.00% tar [kernel.kallsyms] [k] expand | --- 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 0.00% swapper [kernel.kallsyms] [k] preempt_schedule | --- preempt_schedule 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 0.00% tar [kernel.kallsyms] [k] max_io_len | --- max_io_len __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 0.00% 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 0.00% tar [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 __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 0.00% tar [kernel.kallsyms] [k] atomic_long_add | --- atomic_long_add zone_page_state_add __inc_zone_state __inc_zone_page_state 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 0.00% tar [kernel.kallsyms] [k] zone_statistics | --- zone_statistics __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 0.00% tar [kernel.kallsyms] [k] str2hashbuf_signed | --- str2hashbuf_signed ext4fs_dirhash dx_probe ext4_dx_find_entry ext4_find_entry ext4_unlink vfs_unlink do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.00% swapper [kernel.kallsyms] [k] ata_scsi_qc_complete | --- 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 0.00% 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 0.00% tar [kernel.kallsyms] [k] deadline_add_request | --- deadline_add_request 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 0.00% tar [kernel.kallsyms] [k] pagefault_enable | --- pagefault_enable 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 0.00% tar [kernel.kallsyms] [k] deadline_merge | --- deadline_merge elv_merge __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 0.00% swapper [kernel.kallsyms] [k] rb_next | --- rb_next timerqueue_del __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 0.00% tar [kernel.kallsyms] [k] mem_cgroup_cache_charge | --- 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 0.00% swapper [kernel.kallsyms] [k] sched_clock_tick | --- sched_clock_tick sched_clock_idle_wakeup_event 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 0.00% 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 0.00% 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 0.00% tar [kernel.kallsyms] [k] hashtab_search | --- 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 0.00% tar [kernel.kallsyms] [k] ata_qc_new_init | --- ata_qc_new_init __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 0.00% swapper [kernel.kallsyms] [k] sd_done | --- sd_done 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 0.00% sleep [kernel.kallsyms] [k] get_parent_ip | --- get_parent_ip add_preempt_count get_page_from_freelist __alloc_pages_nodemask alloc_pages_current pte_alloc_one __pte_alloc handle_mm_fault do_page_fault page_fault _dl_vdso_vsym 0x7fff16d617f5 0x535345535f474458 0.00% sleep [kernel.kallsyms] [k] policy_zonelist | --- policy_zonelist pte_alloc_one __pte_alloc handle_mm_fault do_page_fault page_fault _dl_init_paths _dl_sysdep_start 0.00% 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 0.00% 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 0.00% 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 0.00% tar [kernel.kallsyms] [k] ext4_da_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 0.00% tar [kernel.kallsyms] [k] dquot_free_inode | --- dquot_free_inode ext4_free_inode ext4_evict_inode evict iput do_unlinkat sys_unlinkat system_call_fastpath unlinkat 0.00% tar [kernel.kallsyms] [k] get_request_wait | --- 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 0.00% swapper [kernel.kallsyms] [k] __local_bh_enable | --- __local_bh_enable __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 0.00% tar [kernel.kallsyms] [k] mutex_unlock | --- mutex_unlock generic_file_aio_write ext4_file_write do_sync_write vfs_write sys_write system_call_fastpath __GI___libc_write 0.00% swapper [kernel.kallsyms] [k] hrtimer_interrupt | --- 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 0.00% tar [kernel.kallsyms] [k] create_empty_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 0.00% tar [kernel.kallsyms] [k] radix_tree_preload_end | --- 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 0.00% tar [kernel.kallsyms] [k] ext4_xattr_set_entry | --- ext4_xattr_set_entry ext4_xattr_ibody_set ext4_xattr_set_handle 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 0.00% 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 0.00% 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 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 0.00% tar libc-2.13.90.so [.] _int_free | --- _int_free 0.00% swapper [kernel.kallsyms] [k] schedule | --- schedule cpu_idle rest_init start_kernel x86_64_start_reservations x86_64_start_kernel 0.00% tar [kernel.kallsyms] [k] sysret_check | --- sysret_check __GI___libc_read 0.00% tar [kernel.kallsyms] [k] blk_peek_request | --- 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 0.00% tar [kernel.kallsyms] [k] ata_scsi_rw_xlat | --- ata_scsi_rw_xlat 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 0.00% tar [kernel.kallsyms] [k] blk_flush_plug_list | --- 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 0.00% tar [kernel.kallsyms] [k] jbd2_journal_stop | --- 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 0.00% tar [kernel.kallsyms] [k] __srcu_read_lock | --- __srcu_read_lock fsnotify fsnotify_modify vfs_write sys_write system_call_fastpath __GI___libc_write # # (For a higher level overview, try: perf report --sort comm,dso) # -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. 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