# To display the perf.data header info, please use --header/--header-only options. # # # Total Lost Samples: 0 # # Samples: 9K of event 'cycles' # Event count (approx.): 1225405431149 # # Overhead Command Shared Object Symbol # ........ ....... ................... ........................................................................................................................................................................................................ # 24.22% mysqld [kernel.vmlinux] [k] power_pmu_enable | --24.22%--__clone start_thread | |--17.95%--0x79d0a2913430 | | | --17.92%--std::thread::_State_impl > >::_M_run | tpool::thread_pool_generic::worker_main | | | |--12.77%--tpool::task::execute | | | | | --12.60%--tpool::task_group::execute | | | | | |--6.87%--purge_worker_callback | | | que_run_threads | | | | | | | --6.86%--row_purge_step | | | | | | | |--3.90%--dict_table_close | | | | | | | | | --3.90%--PolicyMutex >::enter | | | | __pthread_mutex_lock | | | | __lll_lock_wait | | | | system_call | | | | sys_futex | | | | do_futex | | | | futex_wait | | | | futex_wait_queue_me | | | | schedule | | | | __schedule | | | | finish_task_switch | | | | arch_local_irq_restore | | | | | | | | | --3.90%--power_pmu_enable | | | | | | | --2.73%--dict_table_open_on_id | | | | | | | |--1.42%--dict_acquire_mdl_shared | | | | | | | | | --1.42%--PolicyMutex >::enter | | | | __pthread_mutex_lock | | | | __lll_lock_wait | | | | system_call | | | | sys_futex | | | | do_futex | | | | futex_wait | | | | futex_wait_queue_me | | | | schedule | | | | __schedule | | | | finish_task_switch | | | | arch_local_irq_restore | | | | | | | | | --1.40%--power_pmu_enable | | | | | | | --1.31%--PolicyMutex >::enter | | | __pthread_mutex_lock | | | __lll_lock_wait | | | system_call | | | sys_futex | | | do_futex | | | futex_wait | | | futex_wait_queue_me | | | schedule | | | __schedule | | | finish_task_switch | | | arch_local_irq_restore | | | | | | | --1.31%--power_pmu_enable | | | | | --5.73%--purge_coordinator_callback | | trx_purge | | | | | |--4.28%--tpool::thread_pool_generic::submit_task | | | | | | | |--3.45%--__pthread_mutex_lock | | | | __lll_lock_wait | | | | system_call | | | | sys_futex | | | | do_futex | | | | futex_wait | | | | futex_wait_queue_me | | | | schedule | | | | __schedule | | | | finish_task_switch | | | | arch_local_irq_restore | | | | | | | | | --3.45%--power_pmu_enable | | | | | | | --0.65%--tpool::thread_pool_generic::submit_task | | | __pthread_mutex_unlock | | | ret_from_except_lite | | | schedule | | | __schedule | | | finish_task_switch | | | arch_local_irq_restore | | | power_pmu_enable | | | | | --1.27%--tpool::waitable_task::wait | | tpool::waitable_task::wait | | std::condition_variable::wait | | pthread_cond_wait@@GLIBC_2.17 | | pthread_cond_wait@@GLIBC_2.17 | | system_call | | sys_futex | | do_futex | | futex_wait | | futex_wait_queue_me | | schedule | | __schedule | | finish_task_switch | | arch_local_irq_restore | | power_pmu_enable | | | --5.15%--tpool::thread_pool_generic::get_task | | | |--4.56%--tpool::thread_pool_generic::wait_for_tasks | | pthread_cond_timedwait@@GLIBC_2.17 | | | | | --4.36%--pthread_cond_timedwait@@GLIBC_2.17 | | system_call | | sys_futex | | do_futex | | futex_wait | | futex_wait_queue_me | | schedule | | __schedule | | finish_task_switch | | arch_local_irq_restore | | | | | --4.36%--power_pmu_enable | | | --0.59%--__pthread_mutex_lock | __lll_lock_wait | system_call | sys_futex | do_futex | futex_wait | futex_wait_queue_me | schedule | __schedule | finish_task_switch | arch_local_irq_restore | | | --0.59%--power_pmu_enable | --6.27%--buf_flush_page_cleaner | |--4.75%--buf_flush_lists | buf_flush_do_batch | buf_flush_page_and_try_neighbors | | | --4.56%--buf_flush_page | | | --4.56%--buf_dblwr_add_to_batch | buf_dblwr_flush_buffered_writes | | | |--3.08%--fil_io | | os_aio_func | | os_file_write_func | | os_file_io | | SyncFileIO::execute | | __libc_pwrite64 | | __libc_pwrite64 | | system_call | | sys_pwrite64 | | vfs_write | | new_sync_write | | ext4_file_write_iter | | __generic_file_write_iter | | generic_file_direct_write | | ext4_direct_IO | | __blockdev_direct_IO | | io_schedule | | schedule | | __schedule | | finish_task_switch | | arch_local_irq_restore | | power_pmu_enable | | | --1.48%--buf_dblwr_write_block_to_datafile | fil_io | | | --1.48%--os_aio_func | tpool::aio_linux::submit_io | io_submit | | | --1.27%--system_call | do_io_submit | aio_write | ext4_file_write_iter | __generic_file_write_iter | | | --1.08%--file_update_time | generic_update_time | __mark_inode_dirty | ext4_dirty_inode | | | |--0.55%--__ext4_journal_start_sb | | | | | --0.55%--ext4_journal_check_start | | _cond_resched | | __schedule | | finish_task_switch | | arch_local_irq_restore | | power_pmu_enable | | | --0.52%--ext4_mark_inode_dirty | | | --0.52%--ext4_reserve_inode_write | | | --0.52%--__ext4_get_inode_loc | __getblk_gfp | _cond_resched | __schedule | finish_task_switch | arch_local_irq_restore | power_pmu_enable | --1.52%--pc_flush_slot buf_flush_do_batch buf_flush_page_and_try_neighbors | --1.34%--buf_flush_page buf_dblwr_add_to_batch | --0.97%--buf_dblwr_flush_buffered_writes | --0.97%--fil_io os_aio_func os_file_write_func os_file_io SyncFileIO::execute __libc_pwrite64 __libc_pwrite64 system_call sys_pwrite64 vfs_write new_sync_write ext4_file_write_iter __generic_file_write_iter generic_file_direct_write ext4_direct_IO __blockdev_direct_IO io_schedule schedule __schedule finish_task_switch arch_local_irq_restore power_pmu_enable 5.55% mysqld [kernel.vmlinux] [k] ctx_sched_in | --5.45%--__clone start_thread | --5.34%--0x79d0a2913430 | --5.28%--std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main | |--4.03%--tpool::task::execute | tpool::task_group::execute | | | --4.01%--purge_worker_callback | que_run_threads | row_purge_step | | | |--2.46%--dict_table_open_on_id | | | | | |--1.55%--dict_acquire_mdl_shared | | | PolicyMutex >::enter | | | __pthread_mutex_lock | | | __lll_lock_wait | | | system_call | | | sys_futex | | | do_futex | | | futex_wait | | | futex_wait_queue_me | | | schedule | | | __schedule | | | finish_task_switch | | | arch_local_irq_restore | | | | | | | --1.50%--ctx_sched_in | | | | | --0.91%--PolicyMutex >::enter | | __pthread_mutex_lock | | __lll_lock_wait | | system_call | | sys_futex | | do_futex | | futex_wait | | futex_wait_queue_me | | schedule | | __schedule | | finish_task_switch | | arch_local_irq_restore | | | | | --0.89%--ctx_sched_in | | | --1.55%--dict_table_close | PolicyMutex >::enter | __pthread_mutex_lock | __lll_lock_wait | system_call | sys_futex | do_futex | futex_wait | futex_wait_queue_me | schedule | __schedule | finish_task_switch | arch_local_irq_restore | ctx_sched_in | --1.25%--tpool::thread_pool_generic::get_task | --1.17%--tpool::thread_pool_generic::wait_for_tasks pthread_cond_timedwait@@GLIBC_2.17 | --0.78%--pthread_cond_timedwait@@GLIBC_2.17 system_call sys_futex do_futex futex_wait futex_wait_queue_me schedule __schedule finish_task_switch arch_local_irq_restore ctx_sched_in 4.32% mysqld mariadbd [.] cmp_dtuple_rec_with_match_low | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute | --4.31%--purge_worker_callback que_run_threads row_purge_step row_purge_record_func row_purge_reset_trx_id row_purge_reposition_pcur row_search_on_row_ref btr_pcur_open_low btr_cur_search_to_nth_level_func page_cur_search_with_match cmp_dtuple_rec_with_match_low 3.81% mysqld [kernel.vmlinux] [k] try_to_wake_up | ---__clone start_thread | --3.79%--0x79d0a2913430 | --3.34%--std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main | |--2.46%--tpool::task::execute | tpool::task_group::execute | | | --2.05%--purge_worker_callback | que_run_threads | row_purge_step | | | --1.89%--dict_table_open_on_id | | | --0.66%--dict_acquire_mdl_shared | 0 | PolicyMutex >::exit | __pthread_mutex_unlock | system_call | sys_futex | do_futex | futex_wake | wake_up_q | try_to_wake_up | try_to_wake_up | --0.88%--tpool::thread_pool_generic::get_task | --0.52%--tpool::thread_pool_generic::get_task __pthread_mutex_unlock system_call sys_futex do_futex futex_wake wake_up_q try_to_wake_up try_to_wake_up 3.78% mysqld [kernel.vmlinux] [k] find_busiest_group | --3.75%--__clone start_thread | --3.74%--0x79d0a2913430 | --3.67%--std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main | |--2.38%--tpool::thread_pool_generic::get_task | | | --2.13%--tpool::thread_pool_generic::wait_for_tasks | pthread_cond_timedwait@@GLIBC_2.17 | | | |--1.29%--pthread_cond_timedwait@@GLIBC_2.17 | | system_call | | sys_futex | | do_futex | | futex_wait | | futex_wait_queue_me | | schedule | | __schedule | | pick_next_task_fair | | load_balance | | find_busiest_group | | find_busiest_group | | | --0.85%--__pthread_mutex_cond_lock | __lll_lock_wait | system_call | sys_futex | do_futex | futex_wait | futex_wait_queue_me | schedule | __schedule | pick_next_task_fair | load_balance | find_busiest_group | find_busiest_group | --1.29%--tpool::task::execute tpool::task_group::execute | --1.21%--purge_worker_callback que_run_threads row_purge_step | --1.04%--dict_table_open_on_id | --0.56%--dict_acquire_mdl_shared PolicyMutex >::enter __pthread_mutex_lock __lll_lock_wait system_call sys_futex do_futex futex_wait futex_wait_queue_me schedule __schedule pick_next_task_fair load_balance find_busiest_group find_busiest_group 3.28% mysqld mariadbd [.] rec_get_offsets_func | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute | --3.17%--purge_worker_callback que_run_threads row_purge_step row_purge_record_func row_purge_reset_trx_id | --2.99%--row_purge_reposition_pcur row_search_on_row_ref btr_pcur_open_low btr_cur_search_to_nth_level_func | --2.79%--page_cur_search_with_match rec_get_offsets_func 2.41% mysqld mariadbd [.] crc32c_vpmsum | ---__clone start_thread | --2.22%--buf_flush_page_cleaner | --2.12%--buf_flush_lists buf_flush_do_batch buf_flush_page_and_try_neighbors buf_flush_page | --1.98%--buf_flush_init_for_writing buf_flush_assign_full_crc32_checksum crc32c_vpmsum 2.40% mysqld libc-2.27.so [.] __memcpy_power7 | ---__clone start_thread | |--1.88%--buf_flush_page_cleaner | | | --1.44%--buf_flush_lists | buf_flush_do_batch | buf_flush_page_and_try_neighbors | buf_flush_page | buf_dblwr_add_to_batch | __memcpy_power7 | --0.51%--0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute 2.11% mysqld mariadbd [.] buf_page_get_low | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute | |--1.55%--purge_worker_callback | que_run_threads | row_purge_step | row_purge_record_func | row_purge_reset_trx_id | row_purge_reposition_pcur | row_search_on_row_ref | btr_pcur_open_low | | | --1.52%--btr_cur_search_to_nth_level_func | buf_page_get_low | --0.56%--purge_coordinator_callback trx_purge 2.04% mysqld mariadbd [.] page_cur_search_with_match | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute | --2.01%--purge_worker_callback que_run_threads row_purge_step row_purge_record_func row_purge_reset_trx_id row_purge_reposition_pcur row_search_on_row_ref btr_pcur_open_low | --1.96%--btr_cur_search_to_nth_level_func page_cur_search_with_match 1.60% mysqld libc-2.27.so [.] __memcmp_power8 | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute | --1.57%--purge_worker_callback que_run_threads row_purge_step | --1.47%--row_purge_record_func row_purge_reset_trx_id row_purge_reposition_pcur row_search_on_row_ref btr_pcur_open_low btr_cur_search_to_nth_level_func page_cur_search_with_match cmp_dtuple_rec_with_match_low __memcmp_power8 1.60% mysqld [kernel.vmlinux] [k] cpumask_next_and | ---__clone start_thread 0x79d0a2913430 | --1.54%--std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main | |--0.84%--tpool::thread_pool_generic::get_task | | | --0.71%--tpool::thread_pool_generic::wait_for_tasks | pthread_cond_timedwait@@GLIBC_2.17 | | | --0.55%--pthread_cond_timedwait@@GLIBC_2.17 | system_call | sys_futex | do_futex | futex_wait | futex_wait_queue_me | schedule | __schedule | pick_next_task_fair | load_balance | --0.70%--tpool::task::execute tpool::task_group::execute | --0.69%--purge_worker_callback que_run_threads row_purge_step | --0.56%--dict_table_open_on_id 1.48% mysqld [kernel.vmlinux] [k] idle_cpu | ---__clone start_thread | --1.48%--0x79d0a2913430 | --1.46%--std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main | |--0.87%--tpool::task::execute | tpool::task_group::execute | | | --0.85%--purge_worker_callback | que_run_threads | row_purge_step | | | --0.55%--dict_table_open_on_id | --0.59%--tpool::thread_pool_generic::get_task 1.45% mysqld [kernel.vmlinux] [k] _find_next_bit | --1.45%--__clone start_thread | --1.44%--0x79d0a2913430 | --1.39%--std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main | |--0.85%--tpool::thread_pool_generic::get_task | | | --0.71%--tpool::thread_pool_generic::wait_for_tasks | pthread_cond_timedwait@@GLIBC_2.17 | | | --0.62%--pthread_cond_timedwait@@GLIBC_2.17 | system_call | sys_futex | do_futex | futex_wait | futex_wait_queue_me | schedule | __schedule | | | --0.61%--pick_next_task_fair | load_balance | | | --0.58%--find_busiest_group | cpumask_next_and | _find_next_bit | --0.54%--tpool::task::execute tpool::task_group::execute | --0.53%--purge_worker_callback que_run_threads row_purge_step 1.37% mysqld [kernel.vmlinux] [k] _raw_spin_lock | --1.36%--__clone start_thread | --1.17%--0x79d0a2913430 | --1.15%--std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main | --0.81%--tpool::task::execute | --0.81%--tpool::task_group::execute | --0.63%--purge_worker_callback que_run_threads row_purge_step 1.34% mysqld libpthread-2.27.so [.] __pthread_mutex_lock | ---__clone start_thread | --1.27%--0x79d0a2913430 | --1.26%--std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main | --1.25%--tpool::task::execute tpool::task_group::execute | --0.87%--purge_worker_callback | --0.85%--que_run_threads | --0.74%--row_purge_step 1.33% mysqld [kernel.vmlinux] [k] _cond_resched | ---__clone start_thread | --1.30%--buf_flush_page_cleaner | --1.21%--buf_flush_lists buf_flush_do_batch buf_flush_page_and_try_neighbors buf_flush_page buf_dblwr_add_to_batch buf_dblwr_flush_buffered_writes buf_dblwr_write_block_to_datafile fil_io os_aio_func tpool::aio_linux::submit_io io_submit system_call do_io_submit aio_write ext4_file_write_iter __generic_file_write_iter file_update_time generic_update_time __mark_inode_dirty ext4_dirty_inode __ext4_journal_start_sb ext4_journal_check_start _cond_resched 1.22% mysqld mariadbd [.] btr_cur_search_to_nth_level_func | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute purge_worker_callback que_run_threads row_purge_step row_purge_record_func row_purge_reset_trx_id row_purge_reposition_pcur row_search_on_row_ref btr_pcur_open_low btr_cur_search_to_nth_level_func 1.19% mysqld [kernel.vmlinux] [k] arch_local_irq_restore | --1.18%--__clone start_thread | |--0.62%--0x79d0a2913430 | | | --0.62%--std::thread::_State_impl > >::_M_run | tpool::thread_pool_generic::worker_main | --0.56%--buf_flush_page_cleaner 0.92% mysqld libpthread-2.27.so [.] __pthread_mutex_unlock | ---__clone start_thread | --0.91%--0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main | --0.89%--tpool::task::execute tpool::task_group::execute | --0.56%--purge_worker_callback | --0.53%--que_run_threads 0.84% mysqld mariadbd [.] strconvert | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute purge_worker_callback que_run_threads row_purge_step dict_table_open_on_id dict_acquire_mdl_shared dict_table_t::parse_name | --0.78%--filename_to_tablename strconvert 0.75% mysqld mariadbd [.] rw_lock_x_lock_func | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute | --0.70%--purge_worker_callback que_run_threads row_purge_step row_purge_record_func row_purge_reset_trx_id row_purge_reposition_pcur row_search_on_row_ref btr_pcur_open_low btr_cur_search_to_nth_level_func buf_page_get_low buf_page_mtr_lock | --0.69%--pfs_rw_lock_x_lock_func rw_lock_x_lock_func 0.72% mysqld mariadbd [.] l_find | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute | --0.71%--purge_worker_callback que_run_threads row_purge_step | --0.51%--dict_table_open_on_id dict_acquire_mdl_shared MDL_context::acquire_lock MDL_context::try_acquire_lock_impl MDL_map::find_or_insert lf_hash_search lf_hash_search_using_hash_value l_find 0.65% mysqld [kernel.vmlinux] [k] update_blocked_averages | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main 0.54% mysqld [kernel.vmlinux] [k] dequeue_entity | --0.53%--__clone start_thread 0x79d0a2913430 | --0.53%--std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main 0.53% mysqld mariadbd [.] my_mb_wc_filename | ---__clone start_thread 0x79d0a2913430 std::thread::_State_impl > >::_M_run tpool::thread_pool_generic::worker_main tpool::task::execute tpool::task_group::execute purge_worker_callback que_run_threads row_purge_step dict_table_open_on_id dict_acquire_mdl_shared dict_table_t::parse_name filename_to_tablename strconvert my_mb_wc_filename 0.48% mysqld [kernel.vmlinux] [k] hash_futex 0.48% mysqld mariadbd [.] mtr_t::commit 0.47% mysqld [kernel.vmlinux] [k] __perf_event_task_sched_in 0.47% mysqld mariadbd [.] page_simple_validate_new 0.45% mysqld [kernel.vmlinux] [k] system_call 0.42% mysqld [kernel.vmlinux] [k] futex_wait_setup 0.42% mysqld mariadbd [.] row_purge_reset_trx_id 0.41% mysqld [kernel.vmlinux] [k] finish_task_switch 0.40% mysqld [kernel.vmlinux] [k] __schedule 0.39% mysqld [kernel.vmlinux] [k] ext4_es_lookup_extent 0.38% mysqld [kernel.vmlinux] [k] select_task_rq_fair 0.38% mysqld [kernel.vmlinux] [k] find_next_bit 0.38% mysqld [kernel.vmlinux] [k] memset 0.36% mysqld [kernel.vmlinux] [k] system_call_exit 0.36% mysqld libc-2.27.so [.] __strrchr_power8 0.35% mysqld [kernel.vmlinux] [k] _raw_spin_lock_irqsave 0.34% mysqld [kernel.vmlinux] [k] do_futex 0.33% mysqld [kernel.vmlinux] [k] pick_next_task_fair 0.32% mysqld [kernel.vmlinux] [k] load_balance 0.32% mysqld libpthread-2.27.so [.] __lll_lock_wait 0.30% mysqld mariadbd [.] buf_page_mtr_lock 0.30% mysqld [kernel.vmlinux] [k] blk_account_io_completion.part.27 0.30% mysqld [kernel.vmlinux] [k] generic_make_request_checks 0.29% mysqld mariadbd [.] ut_new_get_key_by_file 0.29% mysqld [kernel.vmlinux] [k] exc_virt_0x4c00_system_call 0.28% mysqld mariadbd [.] trx_undo_update_rec_get_update 0.26% mysqld mariadbd [.] trx_purge_read_undo_rec 0.26% mysqld [kernel.vmlinux] [k] account_entity_dequeue 0.25% mysqld libc-2.27.so [.] malloc 0.25% mysqld [kernel.vmlinux] [k] futex_wait_queue_me 0.25% mysqld [kernel.vmlinux] [k] __update_load_avg_cfs_rq.isra.2 0.24% mysqld [kernel.vmlinux] [k] wake_q_add 0.23% mysqld mariadbd [.] MDL_context::release_lock 0.23% mysqld [kernel.vmlinux] [k] schedule 0.23% mysqld [kernel.vmlinux] [k] __blockdev_direct_IO 0.22% mysqld mariadbd [.] trx_purge_get_next_rec 0.22% mysqld mariadbd [.] mtr_t::release_block_at_savepoint 0.21% mysqld [kernel.vmlinux] [k] power_pmu_disable 0.21% mysqld mariadbd [.] dict_table_open_on_id 0.21% mysqld [kernel.vmlinux] [k] ext4_inode_csum 0.21% mysqld [kernel.vmlinux] [k] futex_wait 0.21% mysqld mariadbd [.] log_margin_checkpoint_age 0.20% mysqld mariadbd [.] buf_flush_page 0.20% mysqld [kernel.vmlinux] [k] update_min_vruntime 0.20% mysqld [kernel.vmlinux] [k] group_sched_in 0.20% mysqld libpthread-2.27.so [.] pthread_cond_timedwait@@GLIBC_2.17 0.19% mysqld [kernel.vmlinux] [k] hrtimer_start_range_ns 0.19% mysqld [kernel.vmlinux] [k] update_cfs_group 0.18% mysqld [kernel.vmlinux] [k] bio_alloc_bioset 0.18% mysqld [kernel.vmlinux] [k] get_futex_key 0.18% mysqld mariadbd [.] trx_undo_rec_get_row_ref 0.18% mysqld libc-2.27.so [.] cfree@GLIBC_2.17 0.18% mysqld [kernel.vmlinux] [k] dequeue_task_fair 0.18% mysqld [kernel.vmlinux] [k] get_futex_key_refs.isra.6 0.17% mysqld mariadbd [.] btr_node_ptr_max_size 0.17% mysqld [kernel.vmlinux] [k] blk_finish_plug 0.17% mysqld mariadbd [.] buf_page_hash_get_locked 0.16% mysqld [kernel.vmlinux] [k] futex_wake 0.16% mysqld mariadbd [.] dict_acquire_mdl_shared 0.16% mysqld [kernel.vmlinux] [k] _copy_from_user 0.16% mysqld mariadbd [.] row_purge_step 0.16% mysqld [kernel.vmlinux] [k] deactivate_task 0.15% mysqld mariadbd [.] fil_table_accessible 0.15% mysqld [kernel.vmlinux] [k] blk_update_request 0.15% mysqld [kernel.vmlinux] [k] blk_mq_get_request 0.15% mysqld mariadbd [.] MDL_map::find_or_insert 0.14% mysqld [kernel.vmlinux] [k] ext4_mark_iloc_dirty 0.14% mysqld mariadbd [.] fil_node_complete_io 0.14% mysqld [kernel.vmlinux] [k] check_preempt_wakeup 0.14% mysqld mariadbd [.] buf_page_get_gen 0.14% mysqld mariadbd [.] lf_hash_delete 0.14% mysqld mariadbd [.] start_stage_noop 0.14% mysqld mariadbd [.] flst_remove 0.13% mysqld mariadbd [.] trx_purge_rseg_get_next_history_log 0.13% mysqld mariadbd [.] l_insert 0.13% mysqld mariadbd [.] row_purge_record_func 0.13% mysqld [kernel.vmlinux] [k] update_curr 0.13% mysqld mariadbd [.] pfs_rw_lock_s_lock_func 0.13% mysqld [kernel.vmlinux] [k] __update_idle_core 0.13% mysqld [kernel.vmlinux] [k] gup_pgd_range 0.12% mysqld mariadbd [.] MDL_context::acquire_lock 0.12% mysqld [kernel.vmlinux] [k] ctx_sched_out 0.12% mysqld mariadbd [.] 00001352.plt_call.pthread_mutex_lock@@GLIBC_2.17 0.12% mysqld mariadbd [.] que_run_threads 0.12% mysqld mariadbd [.] 00001352.plt_call.memcmp@@GLIBC_2.17 0.12% mysqld [kernel.vmlinux] [k] __crc32c_le 0.12% mysqld mariadbd [.] free_root 0.12% mysqld mariadbd [.] MDL_lock::Ticket_list::add_ticket 0.12% mysqld mariadbd [.] 00001352.plt_call.pthread_mutex_unlock@@GLIBC_2.17 0.12% mysqld mariadbd [.] buf_page_io_complete 0.11% mysqld [kernel.vmlinux] [k] event_sched_in.part.37 0.11% mysqld mariadbd [.] my_hash_sort_bin 0.11% mysqld mariadbd [.] row_purge_reposition_pcur 0.11% mysqld [kernel.vmlinux] [k] cgroup_cpu_stat_updated 0.10% mysqld [kernel.vmlinux] [k] __update_load_avg_se.isra.1 0.10% mysqld mariadbd [.] std::__adjust_heap<__gnu_cxx::__normal_iterator > >, long, TrxUndoRsegs, __gnu_cxx::__ops::_Iter_comp_iter > 0.10% mysqld [kernel.vmlinux] [k] pick_next_task_idle 0.10% mysqld mariadbd [.] dict_index_copy_types 0.10% mysqld [kernel.vmlinux] [k] set_nr_if_polling 0.10% mysqld [kernel.vmlinux] [k] __copy_tofrom_user_power7 0.09% mysqld [kernel.vmlinux] [k] pmd_page 0.09% mysqld mariadbd [.] lf_dynarray_lvalue 0.09% mysqld mariadbd [.] btr_pcur_store_position 0.08% mysqld mariadbd [.] MDL_request::init_with_source 0.08% mysqld mariadbd [.] PolicyMutex >::enter 0.08% mysqld mariadbd [.] row_search_on_row_ref 0.08% mysqld libstdc++.so.6.0.28 [.] 0x00000000000ac6c0 0.08% mysqld mariadbd [.] mtr_t::start 0.08% mysqld mariadbd [.] ut_basename_noext 0.08% mysqld [kernel.vmlinux] [k] reweight_entity 0.08% mysqld mariadbd [.] trx_undo_update_rec_get_sys_cols 0.08% mysqld libc-2.27.so [.] __memset_power8 0.08% mysqld [kernel.vmlinux] [k] decay_load 0.08% mysqld mariadbd [.] trx_undo_rec_get_col_val 0.08% mysqld libpthread-2.27.so [.] __pthread_enable_asynccancel 0.07% mysqld mariadbd [.] dict_table_t::parse_name 0.07% mysqld [kernel.vmlinux] [k] calc_timer_values 0.07% mysqld [kernel.vmlinux] [k] bt_for_each 0.07% mysqld mariadbd [.] tpool::thread_pool_generic::get_task 0.07% mysqld mariadbd [.] thd_detach_thd 0.07% mysqld mariadbd [.] my_uni_utf8mb3 0.06% mysqld libc-2.27.so [.] 00000037.plt_call.__GI_memcpy 0.06% mysqld mariadbd [.] MDL_lock::remove_ticket 0.06% mysqld mariadbd [.] std::__push_heap<__gnu_cxx::__normal_iterator > >, long, TrxUndoRsegs, __gnu_cxx::__ops::_Iter_comp_val > 0.06% mysqld mariadbd [.] pfs_rw_lock_s_lock_func 0.06% mysqld libc-2.27.so [.] _int_malloc 0.06% mysqld mariadbd [.] filename_to_tablename 0.06% mysqld [kernel.vmlinux] [k] plist_add 0.06% mysqld mariadbd [.] my_strnncoll_binary 0.06% mysqld [kernel.vmlinux] [k] __unqueue_futex 0.06% mysqld [kernel.vmlinux] [k] sys_futex 0.06% mysqld [kernel.vmlinux] [k] ext4_data_block_valid 0.06% mysqld [kernel.vmlinux] [k] mark_wake_futex 0.05% mysqld [nvme] [k] 0x000000000000728c 0.05% mysqld [kernel.vmlinux] [k] do_direct_IO 0.05% mysqld mariadbd [.] innobase_reset_background_thd 0.05% mysqld [kernel.vmlinux] [k] sched_clock_cpu 0.05% mysqld [kernel.vmlinux] [k] cpuacct_charge 0.05% mysqld mariadbd [.] pfs_rw_lock_x_lock_func 0.05% mysqld [kernel.vmlinux] [k] put_prev_entity 0.05% mysqld [kernel.vmlinux] [k] system_call_common 0.05% mysqld mariadbd [.] os_file_flush_func 0.05% mysqld [kernel.vmlinux] [k] dio_complete 0.05% mysqld [nvme] [k] __UNIQUE_ID_use_cmb_sqes44+0x2fffffffeefd00a1 0.05% mysqld [kernel.vmlinux] [k] smp_muxed_ipi_message_pass 0.05% mysqld mariadbd [.] lf_hash_insert 0.05% mysqld mariadbd [.] mtr_t::log_write<(unsigned char)48> 0.05% mysqld mariadbd [.] flst_write_addr 0.05% mysqld [vdso] [.] __do_get_tspec 0.05% mysqld [kernel.vmlinux] [k] perf_pmu_nop_int 0.04% mysqld [kernel.vmlinux] [k] blk_mq_sched_insert_requests 0.04% mysqld mariadbd [.] lf_hash_search_using_hash_value 0.04% mysqld mariadbd [.] memo_slot_release 0.04% mysqld mariadbd [.] log_write_low 0.04% mysqld mariadbd [.] dict_table_open_on_id_low 0.04% mysqld mariadbd [.] trx_undo_rec_get_pars 0.04% mysqld mariadbd [.] 00001352.plt_call.strlen@@GLIBC_2.17 0.04% mysqld libpthread-2.27.so [.] __pthread_mutex_cond_lock 0.04% mysqld [kernel.vmlinux] [k] __check_irq_replay 0.04% mysqld mariadbd [.] MDL_context::try_acquire_lock_impl 0.04% mysqld [kernel.vmlinux] [k] copypage_power7 0.04% mysqld mariadbd [.] trx_purge 0.04% mysqld [kernel.vmlinux] [k] sched_clock 0.04% mysqld mariadbd [.] trx_purge_truncate_history 0.04% mysqld mariadbd [.] rec_copy_prefix_to_buf 0.04% mysqld mariadbd [.] mdl_hash_function 0.04% mysqld mariadbd [.] strmake 0.04% mysqld mariadbd [.] buf_flush_assign_full_crc32_checksum 0.03% mysqld [kernel.vmlinux] [k] rcu_all_qs 0.03% mysqld libc-2.27.so [.] __memcpy_chk 0.03% mysqld [kernel.vmlinux] [k] common_file_perm 0.03% mysqld [kernel.vmlinux] [k] enqueue_entity 0.03% mysqld [kernel.vmlinux] [k] radix_tree_next_chunk 0.03% mysqld [kernel.vmlinux] [k] put_prev_task_fair 0.03% mysqld [kernel.vmlinux] [k] __cgroup_account_cputime 0.03% mysqld libc-2.27.so [.] __strchr_power8 0.03% mysqld [kernel.vmlinux] [k] native_hpte_insert 0.03% mysqld [kernel.vmlinux] [k] rcu_note_context_switch 0.03% mysqld mariadbd [.] tpool::task_group::execute 0.03% mysqld [kernel.vmlinux] [k] _copy_to_user 0.03% mysqld mariadbd [.] btr_pcur_open_low 0.03% mysqld mariadbd [.] os_thread_get_curr_id 0.03% mysqld [kernel.vmlinux] [k] do_io_getevents 0.03% mysqld [kernel.vmlinux] [k] __accumulate_pelt_segments 0.03% mysqld mariadbd [.] mtr_t::memcpy_low 0.03% mysqld [nvme_core] [k] nvme_setup_cmd 0.03% mysqld mariadbd [.] 00001352.plt_call.memcpy@@GLIBC_2.17 0.03% mysqld [kernel.vmlinux] [k] mempool_alloc 0.03% mysqld mariadbd [.] os_aio_func 0.03% mysqld [kernel.vmlinux] [k] _raw_read_lock 0.03% mysqld [kernel.vmlinux] [k] enqueue_task_fair 0.03% mysqld mariadbd [.] buf_flush_do_batch 0.03% mysqld [nvme] [k] nvme_pci_complete_rq 0.03% mysqld [kernel.vmlinux] [k] drop_futex_key_refs.isra.4 0.03% mysqld [kernel.vmlinux] [k] timerqueue_add 0.03% mysqld [kernel.vmlinux] [k] task_tick_numa 0.03% mysqld mariadbd [.] MDL_lock::can_grant_lock 0.03% mysqld [kernel.vmlinux] [k] resched_curr 0.02% mysqld libpthread-2.27.so [.] pthread_cond_signal@@GLIBC_2.17 0.02% mysqld [kernel.vmlinux] [k] get_futex_value_locked 0.02% mysqld [kernel.vmlinux] [k] __bitmap_and 0.02% mysqld [kernel.vmlinux] [k] timer_interrupt 0.02% mysqld [kernel.vmlinux] [k] perf_ctx_unlock 0.02% mysqld [kernel.vmlinux] [k] update_rq_clock 0.02% mysqld mariadbd [.] trx_purge_choose_next_log 0.02% mysqld [kernel.vmlinux] [k] ext4_inode_csum_set 0.02% mysqld mariadbd [.] MDL_context::find_ticket 0.02% mysqld mariadbd [.] 00001352.plt_call.strstr@@GLIBC_2.17 0.02% mysqld [kernel.vmlinux] [k] clockevents_program_event 0.02% mysqld mariadbd [.] 00001352.plt_call.free@@GLIBC_2.17 0.02% mysqld libc-2.27.so [.] __strstr_power7 0.02% mysqld libc-2.27.so [.] __strlen_power8 0.02% mysqld mariadbd [.] memory_alloc_noop 0.02% mysqld [kernel.vmlinux] [k] memcpy_power7 0.02% mysqld mariadbd [.] tpool::thread_pool_generic::submit_task 0.02% mysqld [kernel.vmlinux] [k] _raw_spin_unlock_irqrestore 0.02% mysqld [kernel.vmlinux] [k] start_this_handle 0.02% mysqld [kernel.vmlinux] [k] ext4_do_update_inode.isra.8 0.02% mysqld mariadbd [.] 00001352.plt_call._ZNSt18condition_variable10notify_oneEv@@GLIBCXX_3.4.11 0.02% mysqld mariadbd [.] tpool::task::release 0.02% mysqld [kernel.vmlinux] [k] can_migrate_task 0.02% mysqld mariadbd [.] trx_undo_page_get_first_rec 0.02% mysqld mariadbd [.] tpool::waitable_task::add_ref 0.02% mysqld mariadbd [.] 00001352.plt_call.pthread_self@@GLIBC_2.17 0.02% mysqld [kernel.vmlinux] [k] __perf_event_task_sched_out 0.02% mysqld [kernel.vmlinux] [k] perf_event_sched_in 0.02% mysqld mariadbd [.] std::priority_queue >, TrxUndoRsegs>::pop 0.02% mysqld [kernel.vmlinux] [k] cpumask_next 0.02% mysqld [kernel.vmlinux] [k] perf_event_update_time 0.02% mysqld mariadbd [.] PolicyMutex >::enter 0.02% mysqld [kernel.vmlinux] [k] set_next_buddy 0.02% mysqld mariadbd [.] fil_space_acquire_for_io 0.02% mysqld [kernel.vmlinux] [k] icp_native_get_irq 0.02% mysqld libstdc++.so.6.0.28 [.] std::chrono::_V2::system_clock::now 0.02% mysqld [kernel.vmlinux] [k] aio_read_events 0.02% mysqld [kernel.vmlinux] [k] flush_smp_call_function_queue 0.02% mysqld [crc32c_vpmsum] [k] crc32c_vpmsum 0.02% mysqld [kernel.vmlinux] [k] perf_swevent_add 0.02% mysqld libstdc++.so.6.0.28 [.] operator new 0.02% mysqld [kernel.vmlinux] [k] clear_buddies 0.02% mysqld [kernel.vmlinux] [k] account_user_time 0.01% mysqld mariadbd [.] PolicyMutex >::exit 0.01% mysqld mariadbd [.] close_thread_tables 0.01% mysqld [kernel.vmlinux] [k] restore 0.01% mysqld [kernel.vmlinux] [k] hash_page_mm 0.01% mysqld [kernel.vmlinux] [k] lookup_ioctx 0.01% mysqld mariadbd [.] acquire_thd 0.01% mysqld mariadbd [.] tpool::thread_pool_generic::worker_main 0.01% mysqld mariadbd [.] btr_cur_latch_for_root_leaf 0.01% mysqld [kernel.vmlinux] [k] __handle_irq_event_percpu 0.01% mysqld mariadbd [.] ut_list_remove dict_table_t::*>, GenericGetNode > 0.01% mysqld mariadbd [.] dict_table_close 0.01% mysqld mariadbd [.] fil_io 0.01% mysqld [kernel.vmlinux] [k] ext4_file_write_iter 0.01% mysqld [kernel.vmlinux] [k] __calc_delta 0.01% mysqld [kernel.vmlinux] [k] __remove_hrtimer 0.01% mysqld [kernel.vmlinux] [k] _raw_spin_lock_irq 0.01% mysqld libc-2.27.so [.] __strlen_power7 0.01% mysqld [kernel.vmlinux] [k] irq_enter 0.01% mysqld [kernel.vmlinux] [k] __radix_tree_lookup 0.01% mysqld mariadbd [.] trx_undo_get_next_rec_from_next_page 0.01% mysqld [kernel.vmlinux] [k] timebase_read 0.01% mysqld mariadbd [.] fil_mutex_enter_and_prepare_for_io 0.01% mysqld [kernel.vmlinux] [k] rcu_irq_exit 0.01% mysqld mariadbd [.] purge_worker_callback 0.01% mysqld [kernel.vmlinux] [k] irq_exit 0.01% mysqld [kernel.vmlinux] [k] generic_write_checks 0.01% mysqld mariadbd [.] fil_names_clear 0.01% mysqld [kernel.vmlinux] [k] blk_queue_bounce 0.01% mysqld mariadbd [.] log_write_up_to 0.01% mysqld mariadbd [.] 00001352.plt_call.memmove@@GLIBC_2.17 0.01% mysqld mariadbd [.] memory_free_noop 0.01% mysqld [kernel.vmlinux] [k] crypto_shash_update 0.01% mysqld [kernel.vmlinux] [k] invalidate_inode_pages2_range 0.01% mysqld [kernel.vmlinux] [k] mempool_free_slab 0.01% mysqld [kernel.vmlinux] [k] bio_free 0.01% mysqld [kernel.vmlinux] [k] __handle_mm_fault 0.01% mysqld mariadbd [.] MDL_lock::Ticket_list::remove_ticket 0.01% mysqld mariadbd [.] buf_flush_page_and_try_neighbors 0.01% mysqld mariadbd [.] buf_dblwr_flush_buffered_writes 0.01% mysqld [kernel.vmlinux] [k] insert_work 0.01% mysqld [nvme] [k] 0x0000000000007284 0.01% mysqld [kernel.vmlinux] [k] __sbitmap_get_word 0.01% mysqld [kernel.vmlinux] [k] iov_iter_advance 0.01% mysqld [kernel.vmlinux] [k] rcu_segcblist_ready_cbs 0.01% mysqld [kernel.vmlinux] [k] migrate_page_states 0.01% mysqld [kernel.vmlinux] [k] __filemap_fdatawrite_range 0.01% mysqld [kernel.vmlinux] [k] ext4_map_blocks 0.01% mysqld [kernel.vmlinux] [k] blk_mq_start_request 0.01% mysqld [kernel.vmlinux] [k] blk_mq_free_request 0.01% mysqld [kernel.vmlinux] [k] __wake_up_common_lock 0.01% mysqld [unknown] [k] 0x000079d0a2ae9764 0.01% mysqld mariadbd [.] fsp_free_seg_inode 0.01% mysqld [kernel.vmlinux] [k] hrtimer_nanosleep 0.01% mysqld [kernel.vmlinux] [k] mark_buffer_dirty 0.01% mysqld [nvme] [k] nvme_queue_rq 0.01% mysqld [kernel.vmlinux] [k] update_cfs_rq_h_load 0.01% mysqld [kernel.vmlinux] [k] percpu_counter_add_batch 0.01% mysqld mariadbd [.] mem_heap_block_free 0.01% mysqld mariadbd [.] IORequest::IORequest 0.01% mysqld mariadbd [.] buf_flush_ready_for_flush 0.01% mysqld [kernel.vmlinux] [k] wake_up_q 0.01% mysqld [kernel.vmlinux] [k] blk_mq_queue_tag_busy_iter 0.01% mysqld [kernel.vmlinux] [k] generic_make_request 0.01% mysqld [kernel.vmlinux] [k] up_write 0.01% mysqld [kernel.vmlinux] [k] pick_next_entity 0.01% mysqld [kernel.vmlinux] [k] set_next_entity 0.01% mysqld mariadbd [.] trx_undo_get_next_rec 0.01% mysqld [kernel.vmlinux] [k] list_sort.part.0 0.01% mysqld [nvme] [k] 0x0000000000006ddc 0.01% mysqld [kernel.vmlinux] [k] llist_reverse_order 0.01% mysqld [kernel.vmlinux] [k] sched_avg_update 0.01% mysqld [kernel.vmlinux] [k] fput 0.01% mysqld [kernel.vmlinux] [k] do_io_submit 0.01% mysqld [kernel.vmlinux] [k] handle_percpu_irq 0.01% mysqld [kernel.vmlinux] [k] doorbell_core_ipi 0.01% mysqld [kernel.vmlinux] [k] add_transaction_credits 0.01% mysqld [kernel.vmlinux] [k] blk_attempt_plug_merge 0.01% mysqld mariadbd [.] buf_flush_remove 0.01% mysqld [kernel.vmlinux] [k] __bio_add_page 0.01% mysqld mariadbd [.] harvest_pins 0.01% mysqld mariadbd [.] set_current_thd 0.01% mysqld [kernel.vmlinux] [k] perf_event_update_userpage 0.01% mysqld mariadbd [.] trx_undo_get_first_rec 0.01% mysqld [kernel.vmlinux] [k] __wake_up_common 0.01% mysqld [kernel.vmlinux] [k] __msecs_to_jiffies 0.01% mysqld [kernel.vmlinux] [k] part_round_stats 0.01% mysqld [kernel.vmlinux] [k] mutex_unlock 0.01% mysqld [kernel.vmlinux] [k] submit_bio 0.01% mysqld [kernel.vmlinux] [k] blk_mq_request_issue_directly 0.01% mysqld [kernel.vmlinux] [k] ktime_get 0.01% mysqld [kernel.vmlinux] [k] aio_write 0.01% mysqld mariadbd [.] MDL_context::release_transactional_locks 0.01% mysqld [kernel.vmlinux] [k] activate_task 0.01% mysqld [kernel.vmlinux] [k] __hash_page 0.01% mysqld [kernel.vmlinux] [k] __ext4_get_inode_loc 0.01% mysqld mariadbd [.] ut_allocator >, true>::get_mem_key 0.01% mysqld mariadbd [.] 00001352.plt_call.malloc@@GLIBC_2.17 0.01% mysqld libc-2.27.so [.] __memmove_power7 0.01% mysqld [kernel.vmlinux] [k] check_cfs_rq_runtime 0.01% mysqld [kernel.vmlinux] [k] iov_iter_alignment 0.01% mysqld mariadbd [.] tc_purge 0.01% mysqld [kernel.vmlinux] [k] blk_mq_try_issue_list_directly 0.01% mysqld mariadbd [.] tpool::thread_pool_generic::wake 0.01% mysqld [kernel.vmlinux] [k] check_spread.isra.3 0.01% mysqld [kernel.vmlinux] [k] bio_integrity_prep 0.01% mysqld [kernel.vmlinux] [k] account_entity_enqueue 0.01% mysqld [kernel.vmlinux] [k] free_unref_page 0.01% mysqld mariadbd [.] set_thd_stage_info 0.01% mysqld [kernel.vmlinux] [k] mnt_clone_write 0.01% mysqld mariadbd [.] release_thd 0.01% mysqld [kernel.vmlinux] [k] iov_iter_revert 0.01% mysqld mariadbd [.] lf_pinbox_real_free 0.01% mysqld [kernel.vmlinux] [k] sys_io_getevents 0.01% mysqld mariadbd [.] buf_dblwr_update 0.01% mysqld [kernel.vmlinux] [k] perf_event_interrupt 0.01% mysqld mariadbd [.] dict_table_try_drop_aborted_and_mutex_exit 0.01% mysqld [kernel.vmlinux] [k] doorbell_try_core_ipi 0.01% mysqld mariadbd [.] tpool::aio_linux::getevent_thread_routine 0.01% mysqld [kernel.vmlinux] [k] icp_native_cause_ipi 0.01% mysqld [kernel.vmlinux] [k] soft_nmi_interrupt 0.01% mysqld [kernel.vmlinux] [k] handle_mm_fault 0.01% mysqld [kernel.vmlinux] [k] change_protection_range 0.01% mysqld libstdc++.so.6.0.28 [.] operator delete 0.01% mysqld mariadbd [.] sync_array_print_long_waits_low 0.01% mysqld mariadbd [.] tpool::task::add_ref 0.00% mysqld [kernel.vmlinux] [k] fast_exception_return 0.00% mysqld [kernel.vmlinux] [k] perf_event_idx_default 0.00% mysqld libc-2.27.so [.] __strchr_power7 0.00% mysqld [kernel.vmlinux] [k] performance_monitor_exception 0.00% mysqld [kernel.vmlinux] [k] get_timespec64 0.00% mysqld libpthread-2.27.so [.] __pthread_disable_asynccancel 0.00% mysqld mariadbd [.] srv_wake_purge_thread_if_not_active 0.00% mysqld [kernel.vmlinux] [k] ret_from_except_lite 0.00% mysqld [kernel.vmlinux] [k] ext4_reserve_inode_write 0.00% mysqld [kernel.vmlinux] [k] performance_monitor_common 0.00% mysqld [kernel.vmlinux] [k] resume_kernel 0.00% mysqld [kernel.vmlinux] [k] icp_native_ipi_action 0.00% mysqld [kernel.vmlinux] [k] __find_linux_pte 0.00% mysqld [kernel.vmlinux] [k] printk_nmi_exit 0.00% mysqld [kernel.vmlinux] [k] exc_virt_0x4300_data_access 0.00% mysqld [kernel.vmlinux] [k] rcu_check_callbacks 0.00% mysqld [kernel.vmlinux] [k] rcu_irq_enter 0.00% mysqld [kernel.vmlinux] [k] down_read_trylock 0.00% mysqld [kernel.vmlinux] [k] rcu_nmi_exit 0.00% mysqld [unknown] [k] 0000000000000000 # # (Tip: To record callchains for each sample: perf record -g) #