9 syscall,io_getevents(libaio.so.1),LinuxAIOHandler::collect(os0file.cc:2383),LinuxAIOHandler::poll(os0file.cc:2529),os_aio_linux_handler(os0file.cc:2579),os_aio_handler(os0file.cc:6299),fil_aio_wait(fil0fil.cc:7979),io_handler_thread(srv0start.cc:250),void(srv0start.cc:250),std::__invoke(os0event.ic:83),Log_thread_waiting::wait(log0write.cc:1256),log_flusher(log0write.cc:2602),void(log0write.cc:2602),std::__invoke>(this_thread_sleep.h:82),srv_master_sleep(srv0srv.cc:2973),srv_master_main_loop(srv0srv.cc:3015),srv_master_thread(srv0srv.cc:3087),void(srv0srv.cc:3087),std::__invoke::enter(ib0mutex.h:442),PolicyMutex(ib0mutex.h:636),mutex_enter_inline(ut0mutex.h:114),buf_page_init_for_read(buf0buf.cc:4936),buf_read_page_low(buf0rea.cc:93),buf_read_page(buf0rea.cc:292),Buf_fetch::read_page(buf0buf.cc:4086),Buf_fetch_normal::get(buf0buf.cc:3709),Buf_fetch::single_page(buf0buf.cc:4281),buf_page_get_gen(buf0buf.cc:4478),btr_cur_search_to_nth_level(btr0cur.cc:975),btr_pcur_t::open_no_init(btr0pcur.h:616),row_search_mvcc(row0sel.cc:4954),ha_innobase::index_read(ha_innodb.cc:10897),handler::index_read_map(handler.h:5467),handler::ha_index_read_map(handler.cc:3393),read_(handler.cc:3393),join_read__table(handler.cc:3393),JOIN::extract_func_dependent_tables(sql_optimizer.cc:5824),JOIN::make_join_plan(sql_optimizer.cc:5352),JOIN::optimize(sql_optimizer.cc:716),Query_block::optimize(sql_select.cc:1814),Query_expression::optimize(sql_union.cc:1007),Sql_cmd_dml::execute_inner(sql_select.cc:763),Sql_cmd_dml::execute(sql_select.cc:578),mysql_execute_command(sql_parse.cc:4944),Prepared_statement::execute(sql_prepare.cc:3646),Prepared_statement::execute_loop(sql_prepare.cc:3058),mysqld_stmt_execute(sql_prepare.cc:1914),dispatch_command(sql_parse.cc:2024),do_command(sql_parse.cc:1501),handle_connection(connection_handler_per_thread.cc:308),pfs_spawn_thread(pfs.cc:2987),start_thread,clone3 1 __futex_abstimed_wait_common64,__futex_abstimed_wait_common,__GI___futex_abstimed_wait_cancelable64,__pthread_cond_wait_common,___pthread_cond_wait,os_event::wait(os0event.cc:185),os_event::wait_low(os0event.cc:365),os_event_wait_low(os0event.cc:589),sync_array_wait_event(sync0arr.cc:338),TTASEventMutex::wait(ut0mutex.ic:222),TTASEventMutex::spin_and_try_lock(ib0mutex.h:541),TTASEventMutex::enter(ib0mutex.h:442),PolicyMutex(ib0mutex.h:636),mutex_enter_inline(ut0mutex.h:114),buf_flush_LRU_list_batch(buf0flu.cc:1813),buf_do_LRU_batch(buf0flu.cc:1874),buf_flush_batch(buf0flu.cc:1984),buf_flush_do_batch(buf0flu.cc:2093),buf_flush_LRU_list(buf0flu.cc:2272),buf_lru_manager_thread(buf0flu.cc:3763),void(buf0flu.cc:3763),std::__invoke>(os0event.ic:135),Log_thread_waiting::wait(log0write.cc:1256),log_writer(log0write.cc:2276),void(log0write.cc:2276),std::__invoke>(os0event.ic:135),Log_thread_waiting::wait(log0write.cc:1256),log_write_notifier(log0write.cc:2703),void(log0write.cc:2703),std::__invoke>(os0event.ic:135),Log_thread_waiting::wait(log0write.cc:1256),log_flush_notifier(log0write.cc:2825),void(log0write.cc:2825),std::__invoke