Early evaluation of software performance based on the UML performance profile

Authors:
Gordon Ping Gu;Dorina C. Petriu
Affiliations:
Department of Systems and Computer Engineering, Carleton University, Ottawa Canada, K1S 5B6;Department of Systems and Computer Engineering, Carleton University, Ottawa Canada, K1S 5B6
Venue:
CASCON '03 Proceedings of the 2003 conference of the Centre for Advanced Studies on Collaborative research
Year:
2003

Citing 12
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Abstract

The "UML Profile for Schedulability, Performance and Time" recently adopted by OMG defines performance extensions via the Unified Modeling Language (UML) stereotypes, tagged values and constraints. In order to conduct quantitative performance analysis of a UML model with performance annotations, one must first translate it into a performance model, then solve the generated model with an existing performance analysis tool. This paper proposes a method for transforming automatically an annotated UML model into a simulation-based performance model. The UML model represents the software architecture, the deployment of software on hardware resources, and a set of key performance scenarios. The transformation was implemented in Extensible Stylesheet Language for Transformations (XSLT). It takes as input an annotated UML model in eXtensible Markup Language (XML) Metadata Interchange (XMI) format, and produces as output a CSIM18 compile-ready simulation model. The transformation is done in two steps: a) from the UML input model to an XML intermediate form, and b) from the later to the compile-ready code of the simulation model. The intermediate form was designed to be independent of the specific performance model, so other types of performance models can be generated from it.