Author: Hammer, J.
Paper Title Page
WEPMS001 Interconnection Test Framework for the CMS Level-1 Trigger System 973
  • J. Hammer
    CERN, Geneva, Switzerland
  • M. Magrans de Abril
    UW-Madison/PD, Madison, Wisconsin, USA
  • C.-E. Wulz
    HEPHY, Wien, Austria
  The Level-1 Trigger Control and Monitoring System is a software package designed to configure, monitor and test the Level-1 Trigger System of the Compact Muon Solenoid (CMS) experiment at CERN's Large Hadron Collider. It is a large and distributed system that runs over 50 PCs and controls about 200 hardware units. The Interconnection Test Framework (ITF), a generic and highly flexible framework for creating and executing hardware tests within the Level-1 Trigger environment is presented. The framework is designed to automate testing of the 13 major subsystems interconnected with more than 1000 links. Features include a web interface to create and execute tests, modeling using finite state machines, dependency management, automatic configuration, and loops. Furthermore, the ITF will replace the existing heterogeneous testing procedures and help reducing maintenance and complexity of operation tasks. Finally, an example of operational use of the Interconnection Test Framework is presented. This case study proves the concept and describes the customization process and its performance characteristics.  
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