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dm_os_waiting_tasks.sql
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/*
dm_os_wait_stats.sql - Aggregate Wait Data
dm_os_waiting_tasks.sql – Live Session-level Wait Data
dm_exec_session_wait_stats.sql – Aggregate Session-level Wait Data
*/
SELECT
SPID = wt.session_id
, wt.wait_type
, er.wait_resource
, wt.wait_duration_ms
, st.text
, s.host_name
, s.program_name
, [User] = COALESCE(NULLIF(s.login_name,''), s.nt_user_name, s.original_login_name)
, s.status
, er.start_time
, er.group_id
, s.login_name, s.nt_user_name, s.original_login_name
, er.*, s.*
FROM
sys.dm_os_waiting_tasks wt
INNER JOIN
sys.dm_exec_requests er
on wt.waiting_task_address = er.task_address
INNER JOIN
sys.dm_exec_sessions s
on er.session_id = s.session_id
OUTER APPLY
sys.dm_exec_sql_text(er.sql_handle) st
where
wt.session_id >= 50
AND s.session_id <> @@SPID --ignore this query
AND wt.[wait_type] NOT IN (
-- updated list from: https://www.sqlskills.com/blogs/paul/wait-statistics-or-please-tell-me-where-it-hurts/
-- These wait types are almost 100% never a problem and so they are
-- filtered out to avoid them skewing the results. Click on the URL
-- for more information.
N'BROKER_EVENTHANDLER', -- https://www.sqlskills.com/help/waits/BROKER_EVENTHANDLER
N'BROKER_RECEIVE_WAITFOR', -- https://www.sqlskills.com/help/waits/BROKER_RECEIVE_WAITFOR
N'BROKER_TASK_STOP', -- https://www.sqlskills.com/help/waits/BROKER_TASK_STOP
N'BROKER_TO_FLUSH', -- https://www.sqlskills.com/help/waits/BROKER_TO_FLUSH
N'BROKER_TRANSMITTER', -- https://www.sqlskills.com/help/waits/BROKER_TRANSMITTER
N'CHECKPOINT_QUEUE', -- https://www.sqlskills.com/help/waits/CHECKPOINT_QUEUE
N'CHKPT', -- https://www.sqlskills.com/help/waits/CHKPT
N'CLR_AUTO_EVENT', -- https://www.sqlskills.com/help/waits/CLR_AUTO_EVENT
N'CLR_MANUAL_EVENT', -- https://www.sqlskills.com/help/waits/CLR_MANUAL_EVENT
N'CLR_SEMAPHORE', -- https://www.sqlskills.com/help/waits/CLR_SEMAPHORE
N'CXCONSUMER', -- https://www.sqlskills.com/help/waits/CXCONSUMER
-- Maybe comment these four out if you have mirroring issues
N'DBMIRROR_DBM_EVENT', -- https://www.sqlskills.com/help/waits/DBMIRROR_DBM_EVENT
N'DBMIRROR_EVENTS_QUEUE', -- https://www.sqlskills.com/help/waits/DBMIRROR_EVENTS_QUEUE
N'DBMIRROR_WORKER_QUEUE', -- https://www.sqlskills.com/help/waits/DBMIRROR_WORKER_QUEUE
N'DBMIRRORING_CMD', -- https://www.sqlskills.com/help/waits/DBMIRRORING_CMD
N'DIRTY_PAGE_POLL', -- https://www.sqlskills.com/help/waits/DIRTY_PAGE_POLL
N'DISPATCHER_QUEUE_SEMAPHORE', -- https://www.sqlskills.com/help/waits/DISPATCHER_QUEUE_SEMAPHORE
N'EXECSYNC', -- https://www.sqlskills.com/help/waits/EXECSYNC
N'FSAGENT', -- https://www.sqlskills.com/help/waits/FSAGENT
N'FT_IFTS_SCHEDULER_IDLE_WAIT', -- https://www.sqlskills.com/help/waits/FT_IFTS_SCHEDULER_IDLE_WAIT
N'FT_IFTSHC_MUTEX', -- https://www.sqlskills.com/help/waits/FT_IFTSHC_MUTEX
-- Maybe comment these six out if you have AG issues
N'HADR_CLUSAPI_CALL', -- https://www.sqlskills.com/help/waits/HADR_CLUSAPI_CALL
N'HADR_FILESTREAM_IOMGR_IOCOMPLETION', -- https://www.sqlskills.com/help/waits/HADR_FILESTREAM_IOMGR_IOCOMPLETION
N'HADR_LOGCAPTURE_WAIT', -- https://www.sqlskills.com/help/waits/HADR_LOGCAPTURE_WAIT
N'HADR_NOTIFICATION_DEQUEUE', -- https://www.sqlskills.com/help/waits/HADR_NOTIFICATION_DEQUEUE
N'HADR_TIMER_TASK', -- https://www.sqlskills.com/help/waits/HADR_TIMER_TASK
N'HADR_WORK_QUEUE', -- https://www.sqlskills.com/help/waits/HADR_WORK_QUEUE
N'KSOURCE_WAKEUP', -- https://www.sqlskills.com/help/waits/KSOURCE_WAKEUP
N'LAZYWRITER_SLEEP', -- https://www.sqlskills.com/help/waits/LAZYWRITER_SLEEP
N'LOGMGR_QUEUE', -- https://www.sqlskills.com/help/waits/LOGMGR_QUEUE
N'MEMORY_ALLOCATION_EXT', -- https://www.sqlskills.com/help/waits/MEMORY_ALLOCATION_EXT
N'ONDEMAND_TASK_QUEUE', -- https://www.sqlskills.com/help/waits/ONDEMAND_TASK_QUEUE
N'PARALLEL_REDO_DRAIN_WORKER', -- https://www.sqlskills.com/help/waits/PARALLEL_REDO_DRAIN_WORKER
N'PARALLEL_REDO_LOG_CACHE', -- https://www.sqlskills.com/help/waits/PARALLEL_REDO_LOG_CACHE
N'PARALLEL_REDO_TRAN_LIST', -- https://www.sqlskills.com/help/waits/PARALLEL_REDO_TRAN_LIST
N'PARALLEL_REDO_WORKER_SYNC', -- https://www.sqlskills.com/help/waits/PARALLEL_REDO_WORKER_SYNC
N'PARALLEL_REDO_WORKER_WAIT_WORK', -- https://www.sqlskills.com/help/waits/PARALLEL_REDO_WORKER_WAIT_WORK
N'PREEMPTIVE_OS_FLUSHFILEBUFFERS', -- https://www.sqlskills.com/help/waits/PREEMPTIVE_OS_FLUSHFILEBUFFERS
N'PREEMPTIVE_XE_GETTARGETSTATE', -- https://www.sqlskills.com/help/waits/PREEMPTIVE_XE_GETTARGETSTATE
N'PWAIT_ALL_COMPONENTS_INITIALIZED', -- https://www.sqlskills.com/help/waits/PWAIT_ALL_COMPONENTS_INITIALIZED
N'PWAIT_DIRECTLOGCONSUMER_GETNEXT', -- https://www.sqlskills.com/help/waits/PWAIT_DIRECTLOGCONSUMER_GETNEXT
N'QDS_PERSIST_TASK_MAIN_LOOP_SLEEP', -- https://www.sqlskills.com/help/waits/QDS_PERSIST_TASK_MAIN_LOOP_SLEEP
N'QDS_ASYNC_QUEUE', -- https://www.sqlskills.com/help/waits/QDS_ASYNC_QUEUE
N'QDS_CLEANUP_STALE_QUERIES_TASK_MAIN_LOOP_SLEEP', -- https://www.sqlskills.com/help/waits/QDS_CLEANUP_STALE_QUERIES_TASK_MAIN_LOOP_SLEEP
N'QDS_SHUTDOWN_QUEUE', -- https://www.sqlskills.com/help/waits/QDS_SHUTDOWN_QUEUE
N'REDO_THREAD_PENDING_WORK', -- https://www.sqlskills.com/help/waits/REDO_THREAD_PENDING_WORK
N'REQUEST_FOR_DEADLOCK_SEARCH', -- https://www.sqlskills.com/help/waits/REQUEST_FOR_DEADLOCK_SEARCH
N'RESOURCE_QUEUE', -- https://www.sqlskills.com/help/waits/RESOURCE_QUEUE
N'SERVER_IDLE_CHECK', -- https://www.sqlskills.com/help/waits/SERVER_IDLE_CHECK
N'SLEEP_BPOOL_FLUSH', -- https://www.sqlskills.com/help/waits/SLEEP_BPOOL_FLUSH
N'SLEEP_DBSTARTUP', -- https://www.sqlskills.com/help/waits/SLEEP_DBSTARTUP
N'SLEEP_DCOMSTARTUP', -- https://www.sqlskills.com/help/waits/SLEEP_DCOMSTARTUP
N'SLEEP_MASTERDBREADY', -- https://www.sqlskills.com/help/waits/SLEEP_MASTERDBREADY
N'SLEEP_MASTERMDREADY', -- https://www.sqlskills.com/help/waits/SLEEP_MASTERMDREADY
N'SLEEP_MASTERUPGRADED', -- https://www.sqlskills.com/help/waits/SLEEP_MASTERUPGRADED
N'SLEEP_MSDBSTARTUP', -- https://www.sqlskills.com/help/waits/SLEEP_MSDBSTARTUP
N'SLEEP_SYSTEMTASK', -- https://www.sqlskills.com/help/waits/SLEEP_SYSTEMTASK
N'SLEEP_TASK', -- https://www.sqlskills.com/help/waits/SLEEP_TASK
N'SLEEP_TEMPDBSTARTUP', -- https://www.sqlskills.com/help/waits/SLEEP_TEMPDBSTARTUP
N'SNI_HTTP_ACCEPT', -- https://www.sqlskills.com/help/waits/SNI_HTTP_ACCEPT
N'SOS_WORK_DISPATCHER', -- https://www.sqlskills.com/help/waits/SOS_WORK_DISPATCHER
N'SP_SERVER_DIAGNOSTICS_SLEEP', -- https://www.sqlskills.com/help/waits/SP_SERVER_DIAGNOSTICS_SLEEP
N'SQLTRACE_BUFFER_FLUSH', -- https://www.sqlskills.com/help/waits/SQLTRACE_BUFFER_FLUSH
N'SQLTRACE_INCREMENTAL_FLUSH_SLEEP', -- https://www.sqlskills.com/help/waits/SQLTRACE_INCREMENTAL_FLUSH_SLEEP
N'SQLTRACE_WAIT_ENTRIES', -- https://www.sqlskills.com/help/waits/SQLTRACE_WAIT_ENTRIES
N'VDI_CLIENT_OTHER', -- https://www.sqlskills.com/help/waits/VDI_CLIENT_OTHER
N'WAIT_FOR_RESULTS', -- https://www.sqlskills.com/help/waits/WAIT_FOR_RESULTS
N'WAITFOR', -- https://www.sqlskills.com/help/waits/WAITFOR
N'WAITFOR_TASKSHUTDOWN', -- https://www.sqlskills.com/help/waits/WAITFOR_TASKSHUTDOWN
N'WAIT_XTP_RECOVERY', -- https://www.sqlskills.com/help/waits/WAIT_XTP_RECOVERY
N'WAIT_XTP_HOST_WAIT', -- https://www.sqlskills.com/help/waits/WAIT_XTP_HOST_WAIT
N'WAIT_XTP_OFFLINE_CKPT_NEW_LOG', -- https://www.sqlskills.com/help/waits/WAIT_XTP_OFFLINE_CKPT_NEW_LOG
N'WAIT_XTP_CKPT_CLOSE', -- https://www.sqlskills.com/help/waits/WAIT_XTP_CKPT_CLOSE
N'XE_DISPATCHER_JOIN', -- https://www.sqlskills.com/help/waits/XE_DISPATCHER_JOIN
N'XE_DISPATCHER_WAIT', -- https://www.sqlskills.com/help/waits/XE_DISPATCHER_WAIT
N'XE_TIMER_EVENT' -- https://www.sqlskills.com/help/waits/XE_TIMER_EVENT
)
--and st.text like '%billing_report%'
ORDER BY wt.wait_duration_ms desc
go