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Scientific Programming
Volume 12, Issue 4, Pages 225-237

SCALEA-G: A Unified Monitoring and Performance Analysis System for the Grid

Hong-Linh Truong1 and Thomas Fahringer2

1Institute for Software Science, University of Vienna, Nordbergstrasse 15/C/3, A-1090 Vienna, Austria
2Institute for Computer Science, University of Innsbruck, Technikerstrasse 13, A-6020 Innsbruck, Austria

Received 24 January 2005; Accepted 24 January 2005

Copyright © 2004 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper describes SCALEA-G, a unified monitoring and performance analysis system for the Grid. SCALEA-G is implemented as a set of grid services based on the Open Grid Services Architecture (OGSA). SCALEA-G provides an infrastructure for conducting online monitoring and performance analysis of a variety of Grid services including computational and network resources, and Grid applications. Both push and pull models are supported, providing flexible and scalable monitoring and performance analysis. Source code and dynamic instrumentation are implemented to perform profiling and monitoring of Grid applications. A novel instrumentation request language for dynamic instrumentation and a standardized intermediate representation for binary code have been developed to facilitate the interaction between client and instrumentation services.