set nocount on
exec ('select getdate() as [' + @@servername + ']')
select cast(instance_name as varchar(30)), cast(counter_name as varchar(30)), cntr_value
from master.dbo.sysperfinfo
where object_name = 'SQLServer:Databases'
and counter_name in (
'Data File(s) Size (KB)',
'Log File(s) Size (KB)',
'Log File(s) Used Size (KB)')