/*
High CPU Pressure can also happen due to queries/batches
that are being recompiled frequently
plan_genration_num indicates multiple plans .
If plan_genration_num > 0 , then there is recompilation
*/
select top 50 plan_generation_num, execution_count,
db_name(depamain.dbid) as dbname,object_name(depamain.objectid,depamain.dbid) as objname,
(
select substring(text, statement_start_offset/2 + 1,
(
case when statement_end_offset = -1 then len(convert(nvarchar(max),text)) * 2
else statement_end_offset
end - statement_start_offset)/2
)
from sys.dm_exec_sql_text(sql_handle)
) as query_text
from sys.dm_exec_query_stats
outer apply
(
select dbid,objectid from
(
select attribute,cast(value as int) as attvalue
from sys.dm_exec_plan_attributes(plan_handle)
where attribute in ('dbid','objectid')
) as depa
pivot
(
max(depa.attvalue) for depa.attribute in ("dbid", "objectid")
) as depapvt
) as depamain
where plan_generation_num >1
order by plan_generation_num desc;
----------------------------------------------------------------------
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