The "SQL Server:SSIS Pipeline" performance object does not appear in the "Performance object" list after you install Integration Services from a 64-bit version of SQL Server 2005
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Source: Knowledge Base
Product: Microsoft SQL Server 2005 Enterprise X64 Edition
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The "SQL Server:SSIS Pipeline" performance object does not appear in the "Performance object" list after you install Integration Services from a 64-bit version of SQL Server 2005
http://support.microsoft.com/kb/941154/en-US