The extended events infrastructure provides an in-depth troubleshooting tool that enables administrators to address difficult-to-solve problems more efficiently. Administrators can investigate excessive CPU usage, deadlocks, and application time outs as well as many other issues. Extended events data can be correlated with Windows events data to obtain a more complete picture that will aid in problem resolution.
Provides detailed information about low level events in SQL Server
Reduces the time required to troubleshoot complex problems
Provides access to event data that has previously been difficult to obtain