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An event-based monitoring service for networks on chip

An event-based monitoring service for networks on chip Networks on chip (NoCs) are a scalable interconnect solution for multiprocessor systems on chip. We propose a generic reconfigurable online event-based NoC monitoring service, based on hardware probes attached to NoC components, offering run-time observability of NoC behavior and supporting system-level debugging. We present a probe architecture, its programming model, traffic management strategies, and a cost analysis. We prove feasibility via a prototype implementation for the Æthereal NoC. Two MPEG NoC examples show that the monitoring service area, without advanced optimizations, is 17--24% of the NoC area. Two realistic monitoring examples show that monitoring traffic is several orders of magnitude lower than the 2GB/s/link raw bandwidth. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ACM Transactions on Design Automation of Electronic Systems (TODAES) Association for Computing Machinery

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References (32)

Publisher
Association for Computing Machinery
Copyright
Copyright © 2005 by ACM Inc.
ISSN
1084-4309
DOI
10.1145/1109118.1109126
Publisher site
See Article on Publisher Site

Abstract

Networks on chip (NoCs) are a scalable interconnect solution for multiprocessor systems on chip. We propose a generic reconfigurable online event-based NoC monitoring service, based on hardware probes attached to NoC components, offering run-time observability of NoC behavior and supporting system-level debugging. We present a probe architecture, its programming model, traffic management strategies, and a cost analysis. We prove feasibility via a prototype implementation for the Æthereal NoC. Two MPEG NoC examples show that the monitoring service area, without advanced optimizations, is 17--24% of the NoC area. Two realistic monitoring examples show that monitoring traffic is several orders of magnitude lower than the 2GB/s/link raw bandwidth.

Journal

ACM Transactions on Design Automation of Electronic Systems (TODAES)Association for Computing Machinery

Published: Oct 1, 2005

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