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Master's Dissertation
DOI
10.11606/D.45.2008.tde-29082008-142912
Document
Author
Full name
Giuliano Mega
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2008
Supervisor
Committee
Kon, Fabio (President)
Cerqueira, Renato Fontoura de Gusmão
Durham, Alan Mitchell
Title in Portuguese
Depuração simbólica extensível para sistemas de objetos distribuídos
Keywords in Portuguese
CORBA
depuração de sistemas concorrentes
depuração de sistemas distribuídos
Eclipse
Java
middleware
portabilidade
reprodução de execução
thread distribuído
Abstract in Portuguese
Depurar sistemas distribuídos continua uma tarefa difícil, mesmo após 30 anos de pesquisa intensa. Embora essa situação possa ser parcialmente atribuída à complexidade das execuções concorrentes, o rápido passo de desenvolvimento das plataformas e tecnologias para computação distribuída também carrega a sua parcela de culpa, por encurtar a vida de muitas ferramentas potencialmente úteis. Neste trabalho, apresentamos uma análise dos principais problemas, técnicas e ferramentas ligados à depuração de sistemas concorrentes e discutidos na literatura. Baseados nessa análise, desenvolvemos e apresentamos uma nova técnica, simples e portátil, que pode ser aplicada a sistemas distribuídos que utilizam chamadas síncronas e bloqueantes. Essa técnica, concebida para sobreviver à heterogeneidade, é validada por meio da implementação de um arcabouço escrito para plataforma Eclipse e instanciado para sistemas de objetos distribuídos baseados em Java/CORBA.
Title in English
Extensible symbolic debugging for distributed object systems
Keywords in English
concurrent debugging
CORBA
distributed debugging
distributed threads
Eclipse
Java
middleware
portability
replay debugging
Abstract in English
After over thirty years of intense research, debugging distributed systems is still regarded as a difficult task. While this situation could be partially blamed on the fact that concurrent executions are complex, the fast pace of evolution witnessed with distributed computing technologies have also played its by shortening the lifespan of many potentially useful debugging tools. This work presents an analysis of the main issues, techniques and tools in the field of parallel, distributed, and concurrent debugging in general. Based on this analysis, we develop and present a simple and portable technique targeted at synchronous-call-based distributed systems. This technique, designed for portability, is validated through the implementation of an Eclipse-based framework that is instantiated for Java/CORBA distributed object systems.
 
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dissert.pdf (11.47 Mbytes)
Publishing Date
2009-01-05
 
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