     10 syscall,io_getevents(libaio.so.1.0.1),LinuxAIOHandler::collect,LinuxAIOHandler::poll,os_aio_linux_handler,fil_aio_wait,std::atomic::load,Detached_thread::operator,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      3 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::wait,srv_worker_thread,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      3 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,operator,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      2 __futex_abstimed_wait_common64,__pthread_cond_wait_common,xpl::Cond::timed_wait,is_timeout,ngs::Scheduler_dynamic::worker,pfs_spawn_thread,start_thread,__clone3
      2 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,std::atomic::load,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 Optimize_table_order::calculate_scan_cost,Optimize_table_order::best_access_path,const,Optimize_table_order::greedy_search,Optimize_table_order::choose_table_order,JOIN::make_join_plan,JOIN::optimize,Query_block::optimize,Query_expression::optimize,Sql_cmd_dml::execute_inner,Sql_cmd_dml::execute,mysql_execute_command,Prepared_statement::execute,Prepared_statement::execute_loop,mysqld_stmt_execute,dispatch_command,do_command,handle_connection,pfs_spawn_thread,start_thread,__clone3
      1 __GI___sigtimedwait,signal_hand,pfs_spawn_thread,start_thread,__clone3
      1 __GI___poll,Mysqld_socket_listener::listen_for_connection_event,Connection_acceptor::connection_event_loop,__libc_start_call_main,call_init,_start(mysqld)
      1 __GI___clock_nanosleep,__GI___nanosleep,std::this_thread::sleep_for<long,,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __GI___clock_nanosleep,__GI___nanosleep,std::this_thread::sleep_for<long,,Detached_thread::operator,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,std::__shared_ptr<xpl::Broker_context,,xpl::Global_status_variables::instance,std::atomic::load,std::__shared_count<,std::_Function_base::~_Function_base,pfs_spawn_thread,start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,std::__atomic_base::load,handle_connection,pfs_spawn_thread,start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::wait,buf_resize_thread,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::wait,buf_dump_thread,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,srv_purge_coordinator_suspend,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,srv_monitor_thread,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,pc_sleep_if_needed,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,os_event_wait_for<log_flusher,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,log_files_governor,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,log_checkpointer,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,lock_wait_timeout_thread,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,ib_wqueue_timedwait,fts_optimize_thread,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,os_event::timed_wait,os_event::wait_time_low,Clone_persist_gtid::periodic_write,std::__shared_ptr<std::__future_base::_State_baseV2,,libstdc++::??(libstdc++.so.6.0.30),start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,MYSQL_BIN_LOG::wait_for_update,Binlog_sender::wait_with_heartbeat,Binlog_sender::get_binlog_end_pos,Binlog_sender::send_binlog,Binlog_sender::run,Binlog_sender::~Binlog_sender,com_binlog_dump,dispatch_command,do_command,handle_connection,pfs_spawn_thread,start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,inline_mysql_cond_wait,Event_queue::get_top_for_execution_if_time,Event_scheduler::run,event_scheduler_thread,pfs_spawn_thread,start_thread,__clone3
      1 __futex_abstimed_wait_common64,__pthread_cond_wait_common,compress_gtid_table,pfs_spawn_thread,start_thread,__clone3
      1 epoll_wait,epoll_dispatch,event_base_loop,std::atomic::load,std::__shared_count<,std::_Function_base::~_Function_base,pfs_spawn_thread,start_thread,__clone3
