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International Journal of High Performance Computing Applications
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Managing The Complexity Of Performance Monitoring Hardware: The Brink Andabyss Approach

Brinkley Sprunt

Electrical Engineering Department Bucknell University, Bsprunt{at}Bucknell.Edu

Recent microprocessor advances have significantly improved the capabilities of on-chip performance monitoring hardware, as is evident in the Pentium 4 processor (Sprunt 2002a). However, the complexity of the performance monitoring hardware has also risen, making the tasks of understanding and using the performance monitoring hardware much more difficult for performance analysts and software developers. Additionally, documentation for these features is becoming increasingly cryptic (Intel Corporation a), further exacerbating the task of using these features effectively. This paper describes a new approach for managing this complexity that enables the full feature set of this hardware to be used while still providing a highlevel, easy-to-use interface. This approach augments reference manual documentation by creating XML descriptions of the performance monitoring hardware capabilities and its desired configuration. This XML-based approach was used to develop the brink and abysstools (Sprunt), which provide high-level interface to the Pentium 4 performance monitoring capabilities.

Key Words: Microprocessor performance monitoring • performance counters • Pentium • XML

International Journal of High Performance Computing Applications, Vol. 20, No. 4, 533-540 (2006)
DOI: 10.1177/1094342006064569
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