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Monitoring is a consolidated practice to characterize the dependability behavior of a software system. A variety of techniques, such as event logging and operating system probes, are currently used to generate monitoring data for troubleshooting and failure analysis. In spite of the importance of monitoring, whose role can be essential in critical software systems, there is a lack of studies addressing...
Error data collected at runtime play a key role for dependability analysis and improvement of software systems. The use of monitoring frameworks for legacy mission-critical systems is hindered by limited intervention degree and low intrusiveness requirements. We present the design and experimentation of an error monitoring service for a legacy large-scale critical system in the Air Traffic Control...
Static analysis is a widely adopted technique in the industrial development of software systems. It allows to automatically check for code compliance with respect to predefined programming rules. When applied to large software systems, sanitizing the code in an efficient way requires a careful guidance, as a high number of (more or less relevant) rule infringements can result from the analysis. We...
The analysis of monitoring data is extremely valuable for critical computer systems. It allows to gain insights into the failure behavior of a given system under real workload conditions, which is crucial to assure service continuity and downtime reduction. This paper proposes an experimental evaluation of different direct monitoring techniques, namely event logs, assertions, and source code instrumentation,...
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