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
Read the detailed paper record · · Authoritative source
2022 · Concurrency and Computation: Practice and Experience
Raphaël Beamonte, Naser Ezzati-Jivan, Michel R. Dagenais
The paper combines model-based quantitative constraints with user-space and kernel execution traces to automatically identify likely causes of real-time and multicore constraint violations.
Keywords: model-based constraints · execution tracing · user-space traces · kernel traces · LTTng
Read the detailed paper record · · Authoritative source
2021 · International Journal of Parallel Programming
Raphael Beamonte, Naser Ezzati-Jivan, Michel R. Dagenais
The paper automatically builds an approximate workflow model and adaptive quantitative constraints from user-space and kernel execution traces, reducing manual model construction for real-time and multicore diagnosis.
Keywords: model-based constraints · execution tracing · multi-core systems · real-time applications · constraint generation
Read the detailed paper record · · Authoritative source
2021 · Electronics
Loïc Gelle, Naser Ezzati-Jivan, Michel R. Dagenais
The paper combines Jaeger distributed traces with LTTng kernel and user-space events and extends critical-path analysis from threads to distributed requests so request latency can be related to low-level scheduling and resource behavior.
Keywords: distributed tracing · kernel tracing · cloud applications · cross-layer performance analysis · LTTng
Read the detailed paper record · · Authoritative source
2020 · Softwaretechnik-Trends
Ji Wang, Naser Ezzati-Jivan
The paper adapts community detection and PageRank from social-network analysis to reduce and prioritize system execution traces.
Keywords: LTTng · Trace Compass · Louvain community detection · PageRank · thread interaction graph
Read the detailed paper record · · Authoritative source
2020 · Journal of Cloud Computing
Robin Gassais, Naser Ezzati-Jivan, Jose M. Fernandez, Daniel Aloise, Michel R. Dagenais
The paper combines host-level user/kernel tracing with machine learning to detect intrusion behavior on constrained IoT and home-automation systems.
Keywords: IoT intrusion detection · host-based IDS · LTTng · barectf · Common Trace Format
Read the detailed paper record · · Authoritative source
2012 · 16th IASTED International Conference on Software Engineering and Applications (SEA 2012)
Naser Ezzati-Jivan, Michel R. Dagenais
The paper introduces a stateful trace-abstraction architecture that shares modeled system state and intermediate computation across concurrent patterns to reduce the cost of analyzing large Linux kernel traces.
Keywords: multi-core tracing · LTTng · Linux kernel 2.6.38.6 · stateful trace analysis · trace abstraction
Read the detailed paper record · · Authoritative source