USEFULL DMV MS SQL 2016
SELECT TOP(10) dows.*
FROM sys.dm_os_wait_stats as dows
ORDER BY dows.wait_time_ms DESC
--CPU BOUND QUERY
SELECT TOP 5
st.text,
qp.query_plan,
qs.*
FROM sys.dm_exec_query_stats qs
CROSS APPLY sys.dm_exec_sql_text(qs.plan_handle) st
CROSS