Extended Events

(sqlteam.com) Introduction to SQL Server 2008 Extended Events

(technet.microsoft.com) Advanced Troubleshooting with Extended Events

(msdn.microsoft.com) Using SQL Server 2008 Extended Events

(blog.sqlauthority.com) SQL SERVER – Introduction to Extended Events – Finding Long Running Queries

(mssqltips.com) SQL Server Tempdb Usage and Bottlenecks tracked with Extended Events

(sql-server-performance.com) Light Weight Monitoring using Extended Events