Query Plan (DMV)

 Here is a query that you can run to get the Total Elapsed time of queries and the number of times those queries were hit. It also give's you the query and the plan used for each of those.

select qs.execution_count
     , qs.total_elapsed_time, qs.last_elapsed_time
     , qs.min_elapsed_time, qs.max_elapsed_time
     , substring(st.text, (qs.statement_start_offset/2)+1
                        , ((case qs.statement_end_offset
                              when -1 then datalength(st.text)
                              else qs.statement_end_offset
                           end - qs.statement_start_offset)/2) + 1) as statement_text
      , qp.query_plan
from sys.dm_exec_query_stats as qs
cross apply sys.dm_exec_sql_text(qs.sql_handle) as st
cross apply sys.dm_exec_query_plan (qs.plan_handle) as qp