2026 · Journal of Systems and Software
Maryam Ekhlasi, Fatemeh Faraji Daneshgar, Michel Dagenais, Maxime Lamothe, Naser Ezzati-Jivan, Matthew Khouzam
DTraComp is an open-source Eclipse Trace Compass framework that compares groups of distributed requests and attributes span time to user-space, kernel, thread-state, and system-call evidence.
Keywords: DTraComp · distributed trace comparison · OpenTracing · LTTng · LTTng-UST
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2021 · 2021 IEEE International Symposium on Networks, Computers and Communications (ISNCC)
Simon Delisle, Naser Ezzati-Jivan, Michel R. Dagenais
The paper provides a graphical state-machine modeling tool that generates trace analyses and integrates them into Trace Compass, reducing the need to hand-code state providers or XML analyses.
Keywords: state-machine traces · trace indexing · special-purpose database · Gantt chart · XY view
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2017 · Software Quality Journal
Florian Wininger, Naser Ezzati-Jivan, Michel R. Dagenais
The framework lets analysts define stateful trace analyses declaratively, using a generic state model and XML specifications that can drive storage, filtering, and visualization across trace formats.
Keywords: declarative trace analysis · stateful analysis · execution traces · LTTng · ETW
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2017 · Concurrency and Computation: Practice and Experience
Naser Ezzati-Jivan, Michel R. Dagenais
The survey provides a taxonomy and requirements-oriented comparison of techniques for collecting, abstracting, analyzing, visualizing, and navigating large execution traces.
Keywords: trace navigation · multi-scale analysis · trace visualization · content abstraction · metric abstraction
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2014 · 2014 IEEE 27th Canadian Conference on Electrical and Computer Engineering (CCECE)
Naser Ezzati-Jivan, Michel R. Dagenais
The paper presents multiscale trace navigation that links raw kernel events to system-call, synthetic, and fault/alert abstractions in a zoomable timeline.
Keywords: large trace data · multiscale navigation · zoomable timeline · semantic zoom · physical zoom
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2013 · Runtime Verification 2013 (RV 2013)
Alexandre Montplaisir, Naser Ezzati-Jivan, Florian Wininger, Michel R. Dagenais
The paper introduces a disk-backed state-history model that incrementally converts trace events into queryable state intervals, enabling scalable timestamp/state queries and visualization without replaying the entire trace.
Keywords: system states · trace queries · trace visualization · interval data · tree-based storage
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2013 · 2013 IEEE 26th Canadian Conference on Electrical and Computer Engineering (CCECE)
Naser Ezzati-Jivan, Alireza Shameli-Sendi, Michel R. Dagenais
The paper develops a multilevel trace-label placement algorithm that preserves readable, semantically meaningful labels while users zoom and pan across dense execution-trace views.
Keywords: execution trace events · label placement · trace visualization · overlap avoidance · event labels
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