Why not use the system dmvs? e.g.

SELECT TOP 100 [Average IO] = (total_logical_reads + total_logical_writes) / qs.execution_count,

[Total IO] = (total_logical_reads + total_logical_writes), [Execution count] = qs.execution_count,

[Individual Query] = SUBSTRING(qt.TEXT, qs.statement_start_offset / 2,

(CASE WHEN qs.statement_end_offset = - 1

THEN LEN(CONVERT(NVARCHAR(MAX), qt.TEXT)) * 2

ELSE qs.statement_end_offset END - qs.statement_start_offset) / 2),

[Parent Query] = qt.TEXT, DatabaseName = DB_NAME(qt.dbid)

FROM sys.dm_exec_query_stats qs

CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) qt

ORDER BY [Average IO] DESC;

SELECT TOP 100 [Average CPU used] = total_worker_time / qs.execution_count,

[Total CPU used] = total_worker_time, [Execution count] = qs.execution_count,

[Individual Query] = SUBSTRING(qt.TEXT, qs.statement_start_offset / 2,

(CASE WHEN qs.statement_end_offset = - 1

THEN LEN(CONVERT(NVARCHAR(MAX), qt.TEXT)) * 2

ELSE qs.statement_end_offset END - qs.statement_start_offset) / 2),

[Parent Query] = qt.TEXT, DatabaseName = DB_NAME(qt.dbid)

FROM sys.dm_exec_query_stats qs

CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) qt

ORDER BY [Average CPU used] DESC;